Tag Archives: diesel driven air compressor

China Good quality CHINAMFG Sh-220/8 High Quality 55kw 75HP Diesel Driven Portable Screw Air Compressor for Mining Drilling Rig with Hot selling

Product Description

Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!

Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP

Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug

Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.

Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models

SPECIFICATION

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Operation Training; Maintenance
Warranty: 2-Year-Warranty
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Installation Type: Movable Type
Samples:
US$ 8800/set
1 set(Min.Order)

|
Request Sample

Customization:
Available

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air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China Good quality CHINAMFG Sh-220/8 High Quality 55kw 75HP Diesel Driven Portable Screw Air Compressor for Mining Drilling Rig   with Hot sellingChina Good quality CHINAMFG Sh-220/8 High Quality 55kw 75HP Diesel Driven Portable Screw Air Compressor for Mining Drilling Rig   with Hot selling
editor by CX 2024-04-04

China Best Sales 103kw SDP350G Diesel driven Portable Screw Air Compressor used for drilling,sandblasting industrial use 12v air compressor

Product Description

103kw SDP350G Diesel driven Portable Screw Air Compressor used for drilling,sandblasting industrial use

Product Parameters

 

Model SDP 
185E
SDP 
250E
SDP 
350E
SDP 
350G
SDP 
420E
SDP 
460G
SDP 
560G II
SDP 
420H II
SDP 
550G
SDP 
530G
SDP 
600H
Discharge Air  Volume(m³/min) 5 7 10 10 12 13 16 12 16 15 17
Discharge Pressure(MPa) 0.7 0.8 0.8 1.3 0.8 1.3 1.3 1.7 1.4 1.3 1..7
Discharge Pipc . Dia 1*1-1/4″ 1*3/4″ 1*1-1/2″ 1*2″
Discharge Tessure 110ºC
Gas Oil Contet ≤5PPM
Unit Drive Way Direct Driven
Diesel Engine Parameters Model V2403-T YC4DK95-H3DD WP4.1G140E331 WPG160E331 TAD552VE WP6G190E330 WP6G240E330
Power(Kw) 33 70 103 118 160 140 176
Speed(r/min) 2000 2300 2000 2300 2300 1800 2200 2100
Displacement(L) 2.6 3.621 4.088 4.5 5.1 6.75
Dimension Overall Length (mm) 3840 3170 3700 3700 3900 4300 4400
W/O Towber(mm) 2100 2250 2500 2500 2900 3100 3300
Width(mm) 1490 1600 1960 1960 1900 1900 1900
Height(mm) 1780 1650 2000 2000 2100 2200 2100
Unit Weight(KG) 1270 1650 2000 2200 2800 2610 2710 2950 3000

Detailed Photos

1.Brand Screw air end
Large rotors,low rpm,long life span
High efficiency,low noise,low vibration,high reliability
Bearing life over 100,000 hours
Little leakage triangle,low power/airflow ratio
Less wearing parts,low maintenance cost

2.Diesel engine
High efficiency air-cooling totally enclosed motor
Large starting torque
Low noise,better structure
Original imported bearing
Low rpm

3.Brand Intake Valve Assembie
Non-load starting,butterfly inlet comtrolling valve
0~100% stepless volume regulation,aluminium alloy unibody casing
With Non-return value for heavy load,piston mover
Non-return value close under urgent stop or power failure

4.Air Filter
Air filter from Mann Hummel Germany
Dust removal 99.9%,filtering fineness 3 μm
Ensuring the clean air for inlet
Prolonging the life span of air system,large size,over 3000 hours

5.Oil System
Oil Filter from Mann Hummel Germany
Reliably removing the dust in oil
Oil fineness less then 0.1 μm
Ensuring the clearness and lubrication of oil system,good cooling function

Product Description

Company Profile

HangZhou CHINAMFG Compressor Co., Ltd is a leading CHINAMFG manufacturer in HangZhou, China. We focus on the research & Develop and manufacture of screw air compressors and related after-treatment equipment over 18 years experience. Our screw compressors include air & Water cooled compressor, belt & Direct driven compressor, permanent magnet inverter compressor, low pressure compressor, oil free compressor, diesel driven portable compressor. Our products have passed ISO9001 certificate. We offer you world-class products with advanced features, competitive price, and reliable quality and on time delivery. We always make superior quality CHINAMFG because of adopting Germany advanced production technology and European famous brands machine parts for compressors. CHINAMFG COMPROSS has an experienced expert team, not only provide users with high-quality and high-efficiency compressed air system equipment, but also provide users with optimum air system solutions during before-sale, sale and after-sale services. In China Market, our compressor has become the preferred choice to customer through technical superiority, strong sales network and excellent after-sales service. In the world market, our products are available in 40 countries covering Europe, North America, South America Australia, Asia, Africa, and Middle-East. Welcome more agents and dealers join us and make long term cooperation!

                   
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After-sales Service: 12 months
Warranty: 12 months
Lubrication Style: Lubricated
Customization:
Available

|

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China Best Sales 103kw SDP350G Diesel driven Portable Screw Air Compressor used for drilling,sandblasting industrial use   12v air compressorChina Best Sales 103kw SDP350G Diesel driven Portable Screw Air Compressor used for drilling,sandblasting industrial use   12v air compressor
editor by CX 2024-03-28

China high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling with Hot selling

Product Description

 

CHINAMFG CHINAMFG Import And Export Trade Co.,Ltd. is a manufacturer,specialized in the production of blasting drilling

rig,solar pile driver,water well drilling rig and accessories such as portable screw Air compressor,drill pipe,drill

hammer,drill bit,etc.Our company is a backbone enterprise in the industry. Our company is located at the foot of

Mountain Tai which has the reputation of “Chief of the Five Sacred Mountains”, neighboring to ZheJiang -ZheJiang

High-speed Way, with convenient transportation and excellent location. Your satisfaction is our promise. Our

company covers an area of 35,000 square meters, and has more than 160 employees, including 20 engineering

technicians, who all are specialized drilling rig mechanical design talents. Our company has more than 30 sets of

advanced CNC machining equipment and more than 10 sets of special processing equipment. Our company has

our own heat treatment production workshops and surface treatment equipment. On the basis of advanced

production equipment and more than 10 years of experience, our company has developed and produced three

series of products, including high, medium and low-grade air pressure equipment. 15 kinds of products sell well

throughout China, Russia, Kenya, Brazil, India and some other countries in Europe.

Remark:

1. The payment terms: Pay 30% deposit in advance by T/T firstly, then pay the balance70% before delivering the products.
2. The time of delivery: Deliver the products within 2 days after receiving the total price.
3. The quotation validity date:40 days; Machine manufacturing time: 5-7 days;
4. Loading: 1 set machine uses 1*20 feet container; 1*40 feet high container for maximum 2-3 sets.

…………………………………………………………………………………………. .

R F Q

 

Q1: What’s your delivery time?

A: 15 days to produce, within 3 days if in stock.

 

Q2: What’s methods of payments are accepted?

A: We agree T/T ,L/C , West Union ,Money Gram ,Paypal.

 

Q3: What about the shipments and package?

A: 40′ container
Machine in nude packing, spare parts in standard export wooden box.

 

Q4: Have you got any certificate?

A:We have got ISO,CE certificate.

 

Q5: How to control the quality?

A: We will control the quality by ISO and CE requests.

 

Q6: Do you have after-sale service and warranty service ?

A: Yes, we have.We can supply instruction for operation and maintenance.If necessary, we can send our engineer to repair the machine in your company.

Warranty is 1 year for the machine.

 

Q7: Can I trust your company ?

A: Our company has been certificated by Chinese government,and verified by SGS Inspection Company.Just order from US !

We are factory manufacturer, and we have our own export license .

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Available
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Structure Type: Closed Type

air compressor

How Do You Select the Right Size Screw Compressor for Your Needs?

Choosing the right size screw compressor is crucial to ensure optimal performance, energy efficiency, and cost-effectiveness for your specific compressed air or gas requirements. Here’s a detailed explanation of the selection process:

Selecting the right size screw compressor involves considering several key factors:

  • 1. Air or Gas Demand: Determine your compressed air or gas demand by assessing the total required flow rate (measured in cubic feet per minute or liters per second) and the operating pressure (measured in pounds per square inch or bar). This information helps establish the compressor’s capacity requirements.
  • 2. Duty Cycle: Evaluate your operation’s duty cycle, which refers to the percentage of time the compressor will be running. Duty cycles can vary from continuous operation to intermittent or seasonal usage. The duty cycle affects the compressor’s sizing, as it determines the required compressor output and influences the compressor’s cooling and maintenance needs.
  • 3. Ambient Conditions: Consider the environmental conditions in which the compressor will operate. Factors such as temperature, humidity, and altitude can impact the compressor’s performance and cooling requirements. Ensure that the selected compressor is suitable for the specific ambient conditions of your facility.
  • 4. System Pressure Requirements: Determine the minimum and maximum operating pressure requirements for your application. This information is essential in selecting a compressor that can consistently deliver the required pressure range throughout its operating range.
  • 5. Efficiency Considerations: Evaluate the energy efficiency of different compressor models. Look for compressors with high energy efficiency ratings, such as those certified by organizations like the Air Compressor and Gas Association (CAGI) or ENERGY STAR. Energy-efficient compressors can significantly reduce operating costs over the equipment’s lifespan.
  • 6. Future Expansion: Consider any anticipated growth or changes in your compressed air or gas demand. If you expect increased demand in the future, it’s advisable to select a compressor with some extra capacity to accommodate future expansion without requiring immediate replacement.
  • 7. Maintenance and Serviceability: Assess the maintenance requirements and serviceability of different compressor models. Look for features that make routine maintenance tasks, such as filter changes or oil checks, easily accessible and convenient. Consider the availability of service technicians and spare parts for the chosen compressor brand or model.
  • 8. Manufacturer and Supplier Support: Research the reputation and track record of compressor manufacturers and suppliers. Choose established brands known for producing reliable, high-quality equipment. Consider factors such as warranty coverage, technical support availability, and the proximity of service centers.

Once you have gathered the necessary information and considered the factors mentioned above, you can consult with compressor manufacturers or suppliers who can provide expert advice and assist in selecting the right size screw compressor for your specific needs. They can perform detailed calculations, taking into account the factors discussed, to recommend a compressor that matches your requirements and provides optimal performance.

It’s important to note that selecting the right size screw compressor is a critical decision, and professional guidance is highly recommended to ensure an accurate assessment and proper matching of the compressor to your specific needs.

In summary, selecting the right size screw compressor involves assessing your compressed air or gas demand, duty cycle, ambient conditions, pressure requirements, efficiency considerations, future expansion plans, maintenance requirements, and manufacturer support. By considering these factors and seeking expert advice, you can choose a screw compressor that meets your needs and delivers reliable, efficient performance.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

Can Screw Compressors Handle High-Pressure Applications?

Yes, screw compressors are capable of handling high-pressure applications. Here’s a detailed explanation:

Screw compressors are known for their ability to deliver high-pressure compressed air or gas. The design of screw compressors allows them to achieve higher pressure ratios compared to other types of compressors, such as reciprocating piston compressors.

The compression process in screw compressors is continuous and smooth, which enables them to handle high-pressure requirements efficiently. The intermeshing rotors create compression chambers that gradually reduce in volume, resulting in the compression of air or gas. By adjusting the rotational speed of the rotors and optimizing the design parameters, screw compressors can generate the desired high discharge pressures.

However, it’s important to note that the maximum pressure capability of a screw compressor may vary depending on factors such as:

  • 1. Compressor Design: The design features of the screw compressor, including the rotor profile, sealing mechanism, and cooling system, can influence its maximum pressure capacity.
  • 2. Rotor Size and Speed: The size and rotational speed of the rotors impact the compression ratio and, consequently, the achievable discharge pressure. Larger rotors and higher rotational speeds generally allow for higher pressure ratios.
  • 3. Drive Power: The power of the drive motor connected to the screw compressor affects its ability to handle high-pressure applications. Adequate power is necessary to overcome the resistance and maintain the desired compression ratio.
  • 4. Structural Integrity: The structural integrity and material strength of the compressor housing, rotors, and other components determine the maximum pressure that the compressor can withstand without failure or leakage.

It’s important to select a screw compressor with the appropriate specifications and consult the manufacturer’s guidelines to ensure that it can handle the specific high-pressure requirements of the application.

Additionally, it’s worth noting that high-pressure applications may also require additional equipment, such as pressure vessels or downstream pressure regulators, to safely handle and control the compressed air or gas at the desired pressure levels.

China high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling   with Hot sellingChina high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling   with Hot selling
editor by CX 2024-03-03

China Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor with Good quality

Product Description

 

Explosion-proof screw air compressors are used in hazardous environments such as chemical, petroleum, and mines. They are divided into 2 categories: screw mobile air compressors for coal mines and non-coal mine (chemical) explosion-proof screw air compressors . It mainly includes intake valve, air filter assembly, explosion-proof power distribution device, high-efficiency explosion-proof three-phase asynchronous motor, explosion-proof pressure and temperature transmitter, screw host, oil and gas separator, minimum pressure valve, replacement Heater, protection device and various pipelines etc. The electrical explosion-proof components used in this product conform to the relevant provisions of national standards GB3836.1-2571, GB3836.2-2571, GB3836.3-2571, GB3836.4-2571, etc. and have relevant explosion-proof certificates.

Electric mobile air compressor
Rated power: 37~185KW
Exhaust volume: 6.0~25.5m3/min
Exhaust pressure: 0.7~1.8Mpa
Transmission mode: direct connection
Cooling method: air cooling
 

Diesel mobile air compressor
Diesel power: 37~185KW
Exhaust volume: 3.2~34m3/min
Exhaust pressure: 0.7~2.5Mpa
Transmission mode: direct connection
Cooling method: air cooling
 

Screw air compressor parameter

Model PDA-13/8
Exhaust volume 13m3/min
Exhaust pressure 0.8Mpa
Cooling method Water cooling
Minimum fuel consumption 160g/kw*h
Compressed form Single stage compression
Engine Diesel
Rated power 92KW
Rated speed 2500rpm
Number of cylinders 6
Transfer method Direct join
Dimensions (can be customized towing mobile type) 2200*1750*2000mm(Traction length:500mm, Muffler high:360mm Tire height:650mm)
Weight 1800kg

Model YCLG-11.5/8
Exhaust volume 11.5m3/min(about 410cfm)
Exhaust pressure 0.8Mpa
Cooling method Water cooling
Minimum fuel consumption 160g/kw*h
Compressed form Single stage compression
Engine Diesel
Rated power 92KW
Rated speed 2500rpm
Number of cylinders 6
Transfer method Direct join
Dimensions (can be customized towing mobile type) 3000*2000*1800mm(Traction length:500mm, Muffler high:360mm Tire height:650mm)
Weight 1800kg

It is suitable for drilling and pulling back of different holes, and can also be used with down-the-hole drilling rigs for core drilling, chemical industry, mine drainage and soft foundation grouting.

 

-COMPANY BRIEF-

We provide high-quality and complete drilling equipment including drilling rigs, drilling tools, mud pumps, DTH drilling tools, rock drilling tools, etc. They are widely used in water wells, farmland irrigation, geological exploration, small pile holes, geothermal, rope coring, Mining etc. Our products are the products of choice for drilling engineers in many countries due to their precise design and efficient drilling in use.

Main product

Application

Borehole drilling, Civil Infrastructure, civil engineering, and infrastructure, for rock core drilling, Soil Testing and sampling, geophysical survey companies, Pile foundation drilling, bridge drilling, wind power generation, large-mouth engineering drilling, oil field, metallurgy, mining, geological mineral exploration, water conservancy and hydropower construction, coal mine, mine tunnel drilling, grouting reinforcement engineering, highway, subway, high-speed rail, concrete core sampling, etc, Coring exploration, drilling.

Workshop
Why we achive today′s achievements is because we are supported and assisted by a highly experienced team of designers and engineers that enable us to complete all the assigned projects successfully as per the specified requirement from our clients. HangZhou International Technology  Co.,Ltd. will continue committing to provide low cost Rock Drills, Drilling tools, well drilling rigs, high efficiency drilling tools, energy saving and environmental product for domestic and international clients.

-WHY CHOOSE US-

–The first-class engineers of tricone bits and PDC bits
–Advanced technology and Equipment, International standard.
–R&D center for rock drilling tools, high precision CNC machines, SGS&ISO Certified.
–10+ Years & 40+ Countries of service experience.
–Optimized solutions for the various requirements.

DIY customization: please provide your rock formation information or detailed size drawings.

Free samples: some samples can be provided free of charge.

Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
 

Packaging
Wood Box
Fumigation Tray if necessary
Other special package can be applied
according to customer’s need
Delivery
Prepared to deliver within 1 week, if in stock
Depends on order quantity, when out of stock
Transportation:By sea or air

 

Purchase process

 

 

 

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Support Online Service
Warranty: 1 Year
Lubrication Style: Lubricated or Oil-Less
Cooling System: Air Cooling/Water Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

Can Screw Compressors Be Used for Air Conditioning?

Yes, screw compressors can be used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Here’s a detailed explanation:

Screw compressors are a type of positive displacement compressor that can effectively handle large volumes of gas or air. They are known for their high efficiency, reliability, and ability to provide continuous operation. These qualities make screw compressors well-suited for air conditioning systems that require the compression of refrigerant gases to facilitate cooling.

In air conditioning applications, screw compressors are commonly used in two types of systems:

  • 1. Chillers: Screw compressors are frequently employed in chiller systems, which are central air conditioning units that cool water or another secondary refrigerant. In chiller-based air conditioning systems, the screw compressor works in conjunction with other components such as evaporators, condensers, and expansion valves to extract heat from the chilled water or secondary refrigerant and provide cooling to the desired space.
  • 2. Variable Refrigerant Flow (VRF) Systems: VRF systems utilize multiple individual indoor units connected to a single outdoor unit. These systems can provide simultaneous heating and cooling to different zones within a building. In VRF systems, screw compressors are often used in the outdoor units to compress the refrigerant gas, which is then distributed to the indoor units for heat exchange and cooling.

The advantages of using screw compressors in air conditioning systems include:

  • 1. High Capacity: Screw compressors are capable of handling large volumes of gas or air, making them suitable for air conditioning applications that require high cooling capacities.
  • 2. Energy Efficiency: Screw compressors can deliver high energy efficiency, especially when equipped with variable speed drives (VSD) that allow the compressor to adjust its speed based on the cooling demand. This leads to energy savings and improved system performance.
  • 3. Reliability: Screw compressors are known for their reliability and durability, making them a suitable choice for air conditioning systems that require continuous operation and long service life.
  • 4. Smooth Operation: Screw compressors operate with minimal vibration and noise, contributing to a comfortable and quiet air conditioning environment.
  • 5. Control Flexibility: Screw compressors can offer control flexibility, allowing for efficient modulation of cooling capacity based on the cooling load. This enables precise temperature control and improves overall system performance.

It’s important to note that screw compressors used in air conditioning systems require proper installation, maintenance, and periodic inspections to ensure optimal performance and longevity. Regular maintenance tasks, such as checking refrigerant levels, cleaning filters, and inspecting compressor components, should be performed in accordance with the manufacturer’s recommendations.

In summary, screw compressors can be effectively used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Their high capacity, energy efficiency, reliability, smooth operation, and control flexibility make them well-suited for chiller and VRF systems. Proper installation, maintenance, and adherence to manufacturer guidelines are essential for optimal performance and longevity of screw compressors in air conditioning applications.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor   with Good qualityChina Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor   with Good quality
editor by CX 2024-02-24

China Professional Portable Screw Air Compressor Driven by Diesel for Rock Drilling air compressor oil

Product Description

Product Description 

Product Display 
Company Profile 

CHINAMFG CHINAMFG Import And Export Trade Co.,Ltd. is a manufacturer,specialized in the production of blasting drilling rig,solar pile driver,water well drilling rig and accessories such as portable screw air compressor,drill pipe,drill hammer,drill bit,etc.Our company is a backbone enterprise in the industry. Our company is located at the foot of Mountain Tai which has the reputation of “Chief of the Five Sacred Mountains”, neighboring to ZheJiang -ZheJiang High-speed Way, with convenient transportation and excellent location. Your satisfaction is our promise. Our company covers an area of 35,000 square meters, and has more than 160 employees, including 20 engineering technicians, who all are specialized drilling rig mechanical design talents.  Our company has more than 30 sets of advanced CNC machining equipment and more than 10 sets of special processing equipment. Our company has our own heat treatment production workshops and surface treatment equipment.  On the basis of advanced production equipment and more than 10 years of experience, our company has developed and produced 3 series of products, including high, medium and low-grade air pressure equipment. 15 kinds of products sell well throughout China, Russia, Kenya, Brazil, India and some other countries in Europe. 
FAQ

Q1: What’s your delivery time?
A: 15 days to produce, within 3 days if in stock.
 
Q2: What’s methods of payments are accepted?
A: We agree T/T ,L/C , West Union ,Money Gram ,Paypal.
 
Q3: What about the shipments and package?
A: 40′ container for 2 sets, 20′ container for 1 set, 
Machine in nude packing, spare parts in standard export wooden box.
 
Q4: Have you got any certificate?
A:We have got ISO,CE certificate.
 
Q5: How to control the quality?
A: We will control the quality by ISO and CE requests.
 
Q6: Do you have after-sale service and warranty service ?
A: Yes, we have.We can supply instruction for  operation and maintenance.If necessary, we can send our engineer to repair the machine in your company.
Warranty is 1 year  for the machine.
 
Q7: Can I trust your company ?
 A: Our company has been certificated by Chinese government ,and verified by SGS. Just order from US !  
  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Available
Warranty: One Year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal

air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

Can Screw Compressors Be Used in Food Processing?

Yes, screw compressors can be used in food processing. Here’s a detailed explanation:

Screw compressors are widely employed in various industrial applications, including the food processing industry. They provide a reliable and efficient source of compressed air, which is used for a range of purposes in food processing facilities. Here are some key points to consider:

1. Packaging: Screw compressors are commonly used in food packaging processes. Compressed air is utilized for tasks such as operating pneumatic actuators, controlling packaging machinery, and inflating packaging materials, such as bags and containers.

2. Cleaning and Drying: Compressed air is essential for cleaning and drying applications in the food industry. Screw compressors supply the necessary air pressure for tasks such as blowing off debris, dust, or moisture from food products, packaging surfaces, and production equipment.

3. Pneumatic Conveying: Screw compressors play a crucial role in pneumatic conveying systems used for transporting food products, such as grains, powders, or granules. Compressed air is utilized to create the necessary airflow to move the food materials through pipes or tubes to different processing stages or storage areas.

4. Cooling and Freezing: In food processing, screw compressors are often employed in refrigeration and cooling systems. They provide compressed air for various cooling processes, such as air chilling, blast freezing, or cryogenic freezing, which help maintain the freshness and quality of perishable food products.

5. Air Control and Mixing: Compressed air is utilized for precise air control and mixing applications in food processing. It can be used to control the flow rate, pressure, and temperature of air in mixing processes, such as dough mixing or batter preparation.

6. Cleaning-In-Place (CIP) Systems: CIP systems are widely used in the food industry to clean and sanitize equipment and pipelines. Compressed air is often an integral part of these systems, assisting in the removal of residues and ensuring proper cleaning and hygiene practices.

When using screw compressors in food processing, it is important to consider specific requirements and regulations related to food safety and quality. Here are some key considerations:

a) Food-Grade Lubricants: Ensure that the screw compressor is compatible with food-grade lubricants. Lubricants used in the compressor should be safe for incidental contact with food products and compliant with applicable food safety regulations.

b) Air Purity: Depending on the application, the compressed air may need to meet specific air quality standards to prevent contamination of food products. Standards such as ISO 8573, which define air purity classes for different contaminants, can be referenced to determine the required level of air purity.

c) Maintenance and Cleaning: Implement proper maintenance and cleaning procedures for the screw compressor to prevent any potential contamination risks. Regular inspection, cleaning, and adherence to good manufacturing practices (GMP) are essential to ensure food safety and compliance.

d) Regulatory Compliance: Comply with relevant food safety regulations and guidelines, such as those established by the Food and Drug Administration (FDA) or local regulatory authorities. These regulations may cover various aspects, including equipment design, materials, cleanliness, and hygiene practices.

In summary, screw compressors can be used in food processing for tasks such as packaging, cleaning, pneumatic conveying, cooling, and mixing. However, it is important to consider food safety regulations, use food-grade lubricants, maintain air quality, and follow proper maintenance and cleaning procedures to ensure compliance and protect the integrity of food products.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China Professional Portable Screw Air Compressor Driven by Diesel for Rock Drilling   air compressor oilChina Professional Portable Screw Air Compressor Driven by Diesel for Rock Drilling   air compressor oil
editor by CX 2024-02-18

China Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor air compressor for car

Product Description

N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor (KDS2
Fax    : 769 88803230
Web  : dgadekom /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Lubrication Style: Oil-free
Cooling System: Air-Cooled and Water-Cooled Available
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

|

air compressor

What Is the Noise Level of Gas Air Compressors?

The noise level of gas air compressors can vary depending on several factors, including the compressor’s design, engine type, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

1. Compressor Design:

The design of the gas air compressor can influence its noise level. Some compressors are engineered with noise reduction in mind, utilizing features such as sound insulation, vibration dampening materials, and mufflers to minimize noise generation. Compressors with enclosed cabinets or acoustic enclosures tend to have lower noise levels compared to open-frame compressors.

2. Engine Type:

The type of engine used in the gas air compressor can impact the noise level. Gas air compressors typically use internal combustion engines powered by gasoline or propane. Gasoline engines tend to produce higher noise levels compared to diesel engines or electric motors. However, advancements in engine technology have led to quieter gasoline engines with improved noise control.

3. Operating Conditions:

The operating conditions of the gas air compressor can affect the noise level. Factors such as the load capacity, speed of operation, and ambient temperature can influence the amount of noise generated. Compressors operating at higher loads or speeds may produce more noise compared to those running at lower levels.

4. Noise-Reducing Features:

Some gas air compressors are equipped with noise-reducing features to minimize sound emissions. These may include built-in silencers, acoustic enclosures, or noise-absorbing materials. Such features help dampen the noise produced by the compressor and reduce its overall noise level.

5. Manufacturer Specifications:

Manufacturers often provide noise level specifications for their gas air compressors. These specifications typically indicate the sound pressure level (SPL) in decibels (dB) at a specific distance from the compressor. It is important to refer to these specifications to get an idea of the expected noise level of a particular compressor model.

6. Distance and Location:

The distance between the gas air compressor and the listener can impact the perceived noise level. As sound waves disperse, the noise level decreases with distance. Locating the compressor in an area that is isolated or distant from occupied spaces can help minimize the impact of noise on the surrounding environment.

It is important to note that gas air compressors, especially those used in industrial or heavy-duty applications, can generate substantial noise levels. Occupational health and safety regulations may require the use of hearing protection for individuals working in close proximity to loud compressors.

Overall, the noise level of gas air compressors can vary, and it is advisable to consult the manufacturer’s specifications and consider noise-reducing features when selecting a compressor. Proper maintenance, such as regular lubrication and inspection of components, can also help minimize noise levels and ensure optimal performance.

air compressor

How Do Gas Air Compressors Contribute to Energy Savings?

Gas air compressors can contribute to energy savings in several ways. Here’s a detailed explanation:

1. Efficient Power Source:

Gas air compressors are often powered by gasoline or diesel engines. Compared to electric compressors, gas-powered compressors can provide higher power output for a given size, resulting in more efficient compression of air. This efficiency can lead to energy savings, especially in applications where a significant amount of compressed air is required.

2. Reduced Electricity Consumption:

Gas air compressors, as standalone units that don’t rely on electrical power, can help reduce electricity consumption. In situations where the availability of electricity is limited or expensive, using gas air compressors can be a cost-effective alternative. By utilizing fuel-based power sources, gas air compressors can operate independently from the electrical grid and reduce dependence on electricity.

3. Demand-Sensitive Operation:

Gas air compressors can be designed to operate on demand, meaning they start and stop automatically based on the air requirements. This feature helps prevent unnecessary energy consumption during periods of low or no compressed air demand. By avoiding continuous operation, gas air compressors can optimize energy usage and contribute to energy savings.

4. Energy Recovery:

Some gas air compressors are equipped with energy recovery systems. These systems capture and utilize the heat generated during the compression process, which would otherwise be wasted. The recovered heat can be redirected and used for various purposes, such as space heating, water heating, or preheating compressed air. This energy recovery capability improves overall energy efficiency and reduces energy waste.

5. Proper Sizing and System Design:

Selecting the appropriate size and capacity of a gas air compressor is crucial for energy savings. Over-sizing a compressor can lead to excessive energy consumption, while under-sizing can result in inefficient operation and increased energy usage. Properly sizing the compressor based on the specific air demands ensures optimal efficiency and energy savings.

6. Regular Maintenance:

Maintaining gas air compressors in good working condition is essential for energy efficiency. Regular maintenance, including cleaning or replacing air filters, checking and repairing leaks, and ensuring proper lubrication, helps optimize compressor performance. Well-maintained compressors operate more efficiently, consume less energy, and contribute to energy savings.

7. System Optimization:

For larger compressed air systems that involve multiple compressors, implementing system optimization strategies can further enhance energy savings. This may include employing advanced control systems, such as variable speed drives or sequencers, to match compressed air supply with demand, minimizing unnecessary energy usage.

In summary, gas air compressors contribute to energy savings through their efficient power sources, reduced electricity consumption, demand-sensitive operation, energy recovery systems, proper sizing and system design, regular maintenance, and system optimization measures. By utilizing gas-powered compressors and implementing energy-efficient practices, businesses and industries can achieve significant energy savings in their compressed air systems.

air compressor

What Are the Primary Applications of Gas Air Compressors?

Gas air compressors have a wide range of applications across various industries and activities. These compressors, powered by gas engines, provide a portable and versatile source of compressed air. Here’s a detailed explanation of the primary applications of gas air compressors:

1. Construction Industry:

Gas air compressors are extensively used in the construction industry. They power a variety of pneumatic tools and equipment, such as jackhammers, nail guns, impact wrenches, and concrete breakers. The portable nature of gas air compressors makes them ideal for construction sites where electricity may not be readily available or practical to use.

2. Agriculture and Farming:

Gas air compressors find applications in the agricultural sector. They are used to operate air-powered machinery and tools, including pneumatic seeders, sprayers, and agricultural pumps. Gas air compressors provide the necessary power to carry out tasks such as crop seeding, irrigation, and pest control in agricultural settings.

3. Recreational Activities:

Gas air compressors are commonly utilized in recreational activities. They are used to inflate tires, sports balls, inflatable structures, and recreational equipment such as air mattresses, rafts, and inflatable toys. Gas air compressors provide a convenient and portable solution for inflating various recreational items in outdoor settings.

4. Mobile Service Operations:

Gas air compressors are employed in mobile service operations, such as mobile mechanics, tire service providers, and mobile equipment repair services. These compressors power air tools and equipment required for on-site repairs, maintenance, and servicing of vehicles, machinery, and equipment. The mobility of gas air compressors allows service providers to bring their tools and compressed air source directly to the location of the service requirement.

5. Remote Job Sites:

Gas air compressors are well-suited for remote job sites or locations without access to electricity. They are commonly used in industries such as mining, oil and gas exploration, and remote construction projects. Gas air compressors power pneumatic tools, machinery, and drilling equipment in these environments, providing a reliable source of compressed air for operational needs.

6. Emergency and Backup Power:

In emergency situations or during power outages, gas air compressors can serve as a backup power source. They can power essential equipment and systems that rely on compressed air, such as emergency lighting, communication devices, medical equipment, and backup generators. Gas air compressors provide a reliable alternative power solution when electrical power is unavailable or unreliable.

7. Sandblasting and Surface Preparation:

Gas air compressors are used in sandblasting and surface preparation applications. They provide the high-pressure air necessary for propelling abrasive media, such as sand or grit, to remove paint, rust, or other coatings from surfaces. Gas air compressors offer the power and portability required for sandblasting operations in various industries, including automotive, metal fabrication, and industrial maintenance.

8. Off-Road and Outdoor Equipment:

Gas air compressors are commonly integrated into off-road and outdoor equipment, such as off-road vehicles, utility trucks, and recreational vehicles. They power air-operated systems, including air suspension systems, air brakes, air lockers, and air horns. Gas air compressors provide the necessary compressed air for reliable and efficient operation of these systems in rugged and outdoor environments.

Overall, gas air compressors have diverse applications in construction, agriculture, recreational activities, mobile service operations, remote job sites, emergency power backup, sandblasting, and various off-road and outdoor equipment. Their portability, versatility, and reliable power supply make them indispensable tools in numerous industries and activities.

China Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor   air compressor for carChina Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor   air compressor for car
editor by CX 2024-02-17

China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine supplier

Product Description

The machine can meet the demands of overloading use and stands up to the most severe filed environment. Meanwhile, it also can reduce fuel consumption, which greatly cut down the operation cost. Subsided structure to install the oil tank, placed around each one, Increase oil reserves, make the add oil time interval longer, the weight on both sides are balanced. Tank not in the case, make the space more and not only bring convenience to maintenance service, noise is reduced accordingly, but also giving the customer a good value feeling. 
Advantage: 
1. High Reliability
Less compressor parts, without wearing parts, so it is reliable, long life, overhaul interval is up to 40 to 80 thousand hours. 
2. Easy Operation and Maintenance
A high degree of automation, the operator does not have to go through a long period of professional training, can achieve unattended operation. 
3. The Power Balance is Good
There is no unbalanced inertia force, can smoothly high-speed operation, can achieve no basic operation, especially suitable for portable compressors, small size, light weight, small footprint. 
4. Strong Adaptability
With a mandatory gas transmission characteristics, the volume flow is almost free from the impact of exhaust pressure, in a wide range of speed to maintain high efficiency.  

Our SDP Series:

Product accessories:
1.Brand Screw air end
Large rotors,low rpm,long life span
High efficiency,low noise,low vibration,high reliability
Bearing life over 100,000 hours
Little leakage triangle,low power/airflow ratio
Less wearing parts,low maintenance cost
2.Motor

High efficiency air-cooling totally enclosed motor
Large starting torque
Low noise,better structure
Original imported bearing
F grade insulation,IP 55 protection level
Low rpm
3.Brand Intake Valve Assembie
Non-load starting,butterfly inlet comtrolling valve
0~100% stepless volume regulation,aluminium alloy unibody casing
With Non-return value for heavy load,piston mover
Non-return value close under urgent stop or power failure
4.Air Filter
Air filter from Mann Hummel Germany
Dust removal 99.9%,filtering fineness 3 μm
Ensuring the clean air for inlet
Prolonging the life span of air system,large size,over 3000 hours
5.Oil System
Oil Filter from Mann Hummel Germany
Reliably removing the dust in oil
Oil fineness less then 0.1 μm
Ensuring the clearness and lubrication of oil system,good cooling function
                    Contact details,
                    Company name:HangZhou CHINAMFG Compressor Co.,Ltd
                    Company address:No.172,Nanche Road,Xihu (West Lake) Dis.cheng district,HangZhou city.
                    Website:http://compscompressor       
                    Sales manager:Rick Zhang   /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 12 months
Warranty: 12 months
Lubrication Style: Lubricated
Customization:
Available

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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

How Do Screw Compressors Compare to Piston Compressors?

Screw compressors and piston compressors are two common types of compressors used for various applications. Here’s a detailed comparison between these two types:

1. Working Principle:

Screw Compressors: Screw compressors use intermeshing rotors (usually a male and female rotor) to compress air or gas. The rotors rotate in opposite directions, creating compression chambers that gradually reduce in volume, compressing the air or gas. Piston Compressors: Piston compressors, also known as reciprocating compressors, use a piston and cylinder arrangement to compress air or gas. The piston moves back and forth within the cylinder, creating compression by reducing the volume of the chamber.

2. Continuous vs. Intermittent Compression:

Screw Compressors: Screw compressors provide continuous compression, which means they can deliver a steady flow of compressed air or gas without pulsations. The compression process is smooth and continuous, resulting in less vibration and noise. Piston Compressors: Piston compressors provide intermittent compression due to the reciprocating motion of the piston. The compression process is characterized by pulsations, resulting in pressure fluctuations and higher vibration levels compared to screw compressors.

3. Efficiency:

Screw Compressors: Screw compressors are known for their relatively high efficiency. They can achieve higher isothermal and adiabatic efficiency compared to piston compressors. The smooth and continuous compression process in screw compressors minimizes energy losses and heat generation, resulting in improved efficiency. Piston Compressors: Piston compressors have lower overall efficiency compared to screw compressors. The reciprocating motion of the piston leads to energy losses due to friction, heat generation, and pressure pulsations. These factors can reduce the efficiency of piston compressors, especially at higher compression ratios.

4. Size and Portability:

Screw Compressors: Screw compressors are generally more compact and require less space compared to piston compressors of similar capacity. They have a simpler design with fewer moving parts, making them relatively lightweight and easier to install. Screw compressors are often mounted on a skid or integrated into compact packages, offering convenient portability. Piston Compressors: Piston compressors are typically larger and bulkier compared to screw compressors of similar capacity. They have more complex designs with multiple moving parts, including pistons, connecting rods, and valves. The larger size and weight of piston compressors make them less portable and require more installation space.

5. Maintenance and Service:

Screw Compressors: Screw compressors generally require less maintenance compared to piston compressors. They have fewer moving parts, reducing the chances of wear and tear. Screw compressors often have longer service intervals and lower maintenance costs. However, proper lubrication and regular inspections are still necessary to ensure optimal performance and efficiency. Piston Compressors: Piston compressors require regular maintenance due to the higher number of moving parts. Components such as pistons, rings, valves, and bearings may require more frequent inspections, lubrication, and replacements. Maintenance costs and service intervals for piston compressors are typically higher compared to screw compressors.

6. Noise and Vibration:

Screw Compressors: Screw compressors operate with lower noise and vibration levels compared to piston compressors. The continuous and smooth compression process in screw compressors results in reduced vibrations and quieter operation, making them suitable for noise-sensitive environments. Piston Compressors: Piston compressors can generate higher noise levels and vibrations due to the reciprocating motion of the piston and the pulsations during compression. Additional measures, such as sound insulation and vibration dampening, may be required to minimize noise and vibration in piston compressors.

Both screw compressors and piston compressors have their advantages and disadvantages depending on specific application requirements. Screw compressors are favored in applications that demand continuous and efficient compression with minimal pulsations and lower noise levels. Piston compressors are suitable for applications that require intermittent compression, lower initial investment, and simplicity. Factors such as desired flow rate, pressure range, operating conditions, and cost considerations play a crucial role in selecting the appropriate compressor type for a given application.

China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine   supplier China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine   supplier
editor by CX 2024-02-01

China high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction air compressor price

Product Description

 

Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
WZSCY-3.2/8 3.40  120 8 116 2263*1590*1543 900 Xihu (West Lake) Dis. YSD490G 32
WZSCY-4/13 4.00  141 13 189 2570*1860*1720 1200 Cummins QFS2.8-C60 45
WZSCY-5/7 5.55  196 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/10 5.00  177 10 145 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-6/7 6.00  212 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/13 5.31  187 13 189 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY- 7/7 7.00  247 7 102 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/10 7.00  247 10 145 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/13 7.00  247 13 189 3360*2571*2050 1700 QSB3.9-C100-31 74
WZSCY-10/8 10.00  353 8 116 3360*2571*2050 1700 QSB3.9-C130-31 74
WZSCY-9/13 9.00  318 13 189 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-10/10 10.00  353 10 145 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-12/7 12.11  428 7 102 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-8/16 8.01  283 16 232 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-9/15 9.00  318 15 218 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-10/13 10.02  354 13 189 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-11/10 11.00  388 10 145 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-15/8 15.00  530 8 116 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-12/13 12.00  424 13 189 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-14/12 14.00  494 12 174 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-15/10 15.19  536 10 145 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-17/8 17.00  600 8 116 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY18/7 18.00  636 7 102 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-13/18 13.55  478 18 261 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-13/20 13.00  459 20 290 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/16 15.00  530 16 232 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-17/13 17.00  600 13 189 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-18/10 18.00  636 10 145 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-23/8 23.00  812 8 116 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/18 15.00  530 18 261 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-17/14 17.66  624 14 203 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-20/13 20.67  730 13 189 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-22/10 22.21  784 10 145 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-24/8 24.00  847 8 116 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-18/18 18.28  645 18 261 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-19/14 19.75  697 14 203 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-20/16 20.18  713 16 232 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-21/15 21.00  742 15 218 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-23/13 23.00  812 13 189 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-27/10 27.00  953 10 145 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-28/8 28.00  989 8 116 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-22/20 22.00  777 20 290 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-23/15 23.00  812 15 218 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-25/13 25.00  883 13 189 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/12 26.00  918 12 174 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-28/10 28.00  989 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-32/10 32.25  1139 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-33/8 33.00  1165 8 116 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-36/7 36.00  1271 7 102 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/25 26.00  918 25 363 4700*2100*2900 4800 QSZ13-C550 410
WZSCY-34/25 34.00  1200 25 363 4700*2100*2900 6800 QSZ13-C550 410
WZSCY-45/10 46.38  1638 10 145 4715*2160*3200 7000 QSZ13-C550 410
WZSCY-33/35 33.00  1165 35 508 5000*2200*2900 7200 KTA19-P700 522
WZSCY-39/25 39.00  1377 25 363 5000*2200*2900 7200 KTA19-P700 522
Note: Skid-mounted type is available.

 
Wan CHINAMFG Certification

Wan CHINAMFG Exhibition

FAQ

1.  OEM/ODM, or customer’ s logo printed is available?

     Yes, OEM/ODM, customer’s logo is welcomed.

2.   Delivery date?
     Usually 5-25 working days after receiving deposit, specific delivery date based on order quantity.
 

3.  What’s your payment terms?

     Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our  cooperation.
 

4.  How to control your quality?

     We have professional QC team, control the quality during the mass production and inspect the products before shipping.
 

5.  If we don’ t have shipping forwarder in China , would you do this for us?

     We can offer you best shipping line to ensure you can get the goods timely at best price.
 

6.  I never come to China before , can you be my guide in China?

     Sure , I’m glad to be your guide because our company directly located in ZheJiang , where is the most famous city in China, if you want to come China then we are happy to provide you one-stop service, such as booking ticket, picking up at the airport, booking hotel, accompany visiting factory. It gonna make you an unforgettable memory.

MARKETING NETWORK
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Customization:
Available

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Shipping Cost:

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about shipping cost and estimated delivery time.
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Is the Role of Oil in Lubricated Screw Compressors?

In lubricated screw compressors, oil plays a crucial role in ensuring optimal performance, reliability, and longevity of the compressor. Here’s a detailed explanation of the role of oil in lubricated screw compressors:

Lubrication: One of the primary functions of oil in screw compressors is to provide lubrication to the moving parts, particularly the screw rotors. The oil forms a thin film between the rotors and the compressor housing, reducing friction and wear. This lubrication minimizes mechanical losses and helps maintain efficient operation by reducing energy consumption.

Sealing: Oil also acts as a sealing medium in lubricated screw compressors. The oil film created between the rotors and the compressor housing helps create a seal, preventing air or gas leakage between the high-pressure and low-pressure sides of the compressor. This sealing action is crucial for maintaining the compressors’ efficiency and preventing losses in compression performance.

Cooling: Oil plays a vital role in cooling various components of the screw compressor. As the compressed air or gas is compressed, it generates heat. The oil absorbs a significant amount of this heat and carries it away from the compression chamber. The oil then circulates through the compressor’s oil cooling system, where it dissipates the heat to the surrounding environment or through an oil cooler. Efficient oil cooling helps prevent overheating of the compressor components, ensuring reliable operation and extending the compressor’s lifespan.

Cleaning: The oil in lubricated screw compressors acts as a cleaning agent. It carries away contaminants, such as dirt, dust, and metal particles, that may enter the compressor during operation. The oil passes through filters and separators, removing these impurities and preventing them from accumulating in the compressor’s internal components. Clean oil helps maintain the integrity of the compressor’s internal parts and reduces the risk of damage or malfunctions.

Sealing Element Lubrication: In some lubricated screw compressors, the oil also serves to lubricate the sealing elements, such as the shaft seals or labyrinth seals. Proper lubrication of these seals helps maintain their effectiveness in preventing oil leakage and maintaining the separation between the oil and the compressed air or gas.

Corrosion Protection: Oil in screw compressors often contains additives that provide corrosion protection to the internal components. These additives form a protective layer on the metal surfaces, preventing corrosion caused by moisture or contaminants present in the compressed air or gas. Corrosion prevention helps maintain the compressor’s performance, efficiency, and reliability over time.

It’s important to note that lubricated screw compressors require regular oil monitoring, oil analysis, and oil changes to ensure optimal performance. The oil level, quality, and viscosity should be regularly checked and maintained within the manufacturer’s recommended specifications.

In summary, oil in lubricated screw compressors serves crucial functions such as lubrication, sealing, cooling, cleaning, sealing element lubrication, and corrosion protection. These functions collectively contribute to the efficient and reliable operation of the compressor, extending its service life and minimizing maintenance requirements.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

Can Screw Compressors Be Used in Industrial Applications?

Yes, screw compressors are widely used in industrial applications and are well-suited for various industrial processes. Here’s a detailed explanation:

1. Manufacturing and Assembly:

Screw compressors find extensive use in manufacturing and assembly processes. They provide a reliable source of compressed air for powering pneumatic tools, such as drills, impact wrenches, and spray guns. Compressed air is also used for operating pneumatic cylinders and valves, facilitating automation and control in industrial production lines.

2. Industrial Automation:

In industrial automation systems, screw compressors play a crucial role in providing compressed air for actuating control valves, operating robotic arms, and powering pneumatic actuators. The continuous and reliable supply of compressed air from screw compressors ensures the smooth operation of automated machinery and equipment.

3. HVAC Systems:

Screw compressors are commonly used in large-scale heating, ventilation, and air conditioning (HVAC) systems. They are employed in chillers, which cool water or air for air conditioning and refrigeration purposes. Screw compressors in HVAC systems offer high energy efficiency, making them cost-effective and environmentally friendly options for large commercial and industrial buildings.

4. Food and Beverage Industry:

The food and beverage industry relies on screw compressors for various applications. They are used for providing compressed air in food processing and packaging operations, such as pneumatic conveying, filling, labeling, and sealing. Screw compressors used in this industry are often of the oil-free type to ensure air purity and prevent contamination of food products.

5. Pharmaceuticals and Healthcare:

In the pharmaceutical and healthcare sectors, screw compressors are vital for critical applications. They provide clean and oil-free compressed air required for pharmaceutical manufacturing processes, including tablet coating, fermentation, lyophilization, and cleanroom operations. Screw compressors with strict air quality standards, such as oil-free and contaminant-free options, are commonly used in these industries.

6. Energy and Power Generation:

Screw compressors play a significant role in energy and power generation facilities. They are used for processes such as gas compression, pneumatic conveying of coal and biomass, and control air supply in power plants. Screw compressors in these applications are designed to handle high pressures and large volumes of gas.

7. Mining and Construction:

In mining and construction industries, screw compressors are employed for various tasks. They power pneumatic tools and equipment used in drilling, rock blasting, material handling, and construction activities. Screw compressors are valued for their reliability, continuous operation, and ability to withstand harsh operating conditions.

8. Oil and Gas Industry:

The oil and gas industry extensively uses screw compressors for gas compression and processing. Screw compressors are employed in natural gas pipelines, gas processing plants, and refineries. They handle the compression of gases, such as natural gas, hydrogen, and process gases, ensuring efficient transportation and refining operations.

These are just a few examples of the industrial applications where screw compressors are commonly used. Their high efficiency, continuous operation, compact design, and capacity flexibility make them well-suited for a wide range of industrial processes and systems.

China high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   air compressor priceChina high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   air compressor price
editor by CX 2024-01-10

China Professional Top Manufacturer of Industrial 190-1400 Cfm 2/4 Wheels Mining Portable Mobile Movable Diesel Engine Direct Driven Screw Type Rotary Air Compressor best air compressor

Product Description

 

Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
WZSCY-3.2/8 3.40  120 8 116 2263*1590*1543 900 Xihu (West Lake) Dis. YSD490G 32
WZSCY-4/13 4.00  141 13 189 2570*1860*1720 1200 Cummins QFS2.8-C60 45
WZSCY-5/7 5.55  196 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/10 5.00  177 10 145 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-6/7 6.00  212 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/13 5.31  187 13 189 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY- 7/7 7.00  247 7 102 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/10 7.00  247 10 145 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/13 7.00  247 13 189 3360*2571*2050 1700 QSB3.9-C100-31 74
WZSCY-10/8 10.00  353 8 116 3360*2571*2050 1700 QSB3.9-C130-31 74
WZSCY-9/13 9.00  318 13 189 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-10/10 10.00  353 10 145 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-12/7 12.11  428 7 102 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-8/16 8.01  283 16 232 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-9/15 9.00  318 15 218 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-10/13 10.02  354 13 189 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-11/10 11.00  388 10 145 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-15/8 15.00  530 8 116 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-12/13 12.00  424 13 189 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-14/12 14.00  494 12 174 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-15/10 15.19  536 10 145 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-17/8 17.00  600 8 116 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY18/7 18.00  636 7 102 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-13/18 13.55  478 18 261 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-13/20 13.00  459 20 290 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/16 15.00  530 16 232 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-17/13 17.00  600 13 189 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-18/10 18.00  636 10 145 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-23/8 23.00  812 8 116 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/18 15.00  530 18 261 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-17/14 17.66  624 14 203 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-20/13 20.67  730 13 189 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-22/10 22.21  784 10 145 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-24/8 24.00  847 8 116 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-18/18 18.28  645 18 261 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-19/14 19.75  697 14 203 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-20/16 20.18  713 16 232 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-21/15 21.00  742 15 218 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-23/13 23.00  812 13 189 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-27/10 27.00  953 10 145 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-28/8 28.00  989 8 116 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-22/20 22.00  777 20 290 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-23/15 23.00  812 15 218 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-25/13 25.00  883 13 189 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/12 26.00  918 12 174 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-28/10 28.00  989 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-32/10 32.25  1139 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-33/8 33.00  1165 8 116 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-36/7 36.00  1271 7 102 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/25 26.00  918 25 363 4700*2100*2900 4800 QSZ13-C550 410
WZSCY-34/25 34.00  1200 25 363 4700*2100*2900 6800 QSZ13-C550 410
WZSCY-45/10 46.38  1638 10 145 4715*2160*3200 7000 QSZ13-C550 410
WZSCY-33/35 33.00  1165 35 508 5000*2200*2900 7200 KTA19-P700 522
WZSCY-39/25 39.00  1377 25 363 5000*2200*2900 7200 KTA19-P700 522
Note: Skid-mounted type is available.

 
Wan CHINAMFG Certification

Wan CHINAMFG Exhibition

FAQ

1.  OEM/ODM, or customer’ s logo printed is available?

     Yes, OEM/ODM, customer’s logo is welcomed.

2.  Delivery date?
     Usually 5-25 working days after receiving deposit, specific delivery date based on order quantity.
 

3.  What’s your payment terms?

     Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our  cooperation.
 

4.  How to control your quality?

     We have professional QC team, control the quality during the mass production and inspect the products before shipping.
 

5.  If we don’ t have shipping forwarder in China , would you do this for us?

     We can offer you best shipping line to ensure you can get the goods timely at best price.
 

6.  I never come to China before , can you be my guide in China?

     Sure , I’m glad to be your guide because our company directly located in ZheJiang , where is the most famous city in China, if you want to come China then we are happy to provide you one-stop service, such as booking ticket, picking up at the airport, booking hotel, accompany visiting factory. It gonna make you an unforgettable memory.

MARKETING NETWORK

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Customization:
Available

|

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Is the Lifespan of a Typical Screw Compressor?

The lifespan of a typical screw compressor can vary depending on several factors, including the quality of the equipment, maintenance practices, operating conditions, and usage patterns. Here’s a detailed explanation:

The lifespan of a screw compressor is typically measured in operating hours, which refers to the cumulative hours the compressor has been in operation. While it’s challenging to provide an exact lifespan, as it can vary significantly, screw compressors are generally designed to have a long service life, often ranging from 20,000 to 100,000 operating hours.

Several factors can influence the lifespan of a screw compressor:

  • 1. Quality of Construction: The quality of construction and materials used in the compressor’s manufacturing plays a crucial role in its lifespan. Compressors built with high-quality components and robust construction tend to have a longer service life compared to those with lower-quality materials.
  • 2. Maintenance Practices: Regular and proper maintenance is essential to extend the lifespan of a screw compressor. Following the manufacturer’s recommended maintenance schedule, including tasks such as oil changes, filter replacements, and inspection of critical components, helps ensure optimal performance and reliability. Neglecting maintenance can lead to premature wear and potential breakdowns.
  • 3. Operating Conditions: The operating conditions in which the compressor operates can impact its lifespan. Factors such as temperature, humidity, and the presence of contaminants in the ambient air can affect the compressor’s performance and longevity. Compressors operated in clean, well-ventilated environments with controlled temperature and humidity conditions tend to have longer lifespans.
  • 4. Load and Usage Patterns: The load and usage patterns of the compressor also influence its lifespan. Compressors operated at or near their maximum capacity for prolonged periods may experience higher wear and tear compared to those operated within their recommended operating range. Compressors subjected to frequent start-stop cycles or continuous operation may have different lifespans based on the stress placed on their components.
  • 5. Maintenance and Repairs: The response to maintenance and repair needs can impact the compressor’s lifespan. Timely addressing of maintenance issues and prompt repairs when faults or malfunctions occur can prevent further damage and help prolong the compressor’s lifespan.
  • 6. Manufacturer and Design: The reputation and expertise of the manufacturer play a role in determining the compressor’s lifespan. Established manufacturers with a track record of producing reliable and durable equipment often design their compressors to have longer lifespans. It’s advisable to choose compressors from reputable manufacturers known for their quality and reliability.

It’s important to note that while a screw compressor may have a designed lifespan, it doesn’t necessarily mean it will fail immediately after reaching that threshold. With proper maintenance and care, compressors can often exceed their expected lifespan. On the other hand, neglecting maintenance or subjecting the compressor to harsh operating conditions can shorten its lifespan.

Regular monitoring of the compressor’s performance, including parameters such as discharge temperature, vibration levels, and energy consumption, can help identify any potential issues and take corrective actions to maintain the compressor’s reliability and extend its lifespan.

In summary, the lifespan of a typical screw compressor can range from 20,000 to 100,000 operating hours, depending on factors such as the quality of construction, maintenance practices, operating conditions, usage patterns, and manufacturer reputation. Adhering to proper maintenance practices, operating the compressor within its recommended parameters, and choosing a reputable manufacturer can help ensure a longer lifespan for the screw compressor.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

Can Screw Compressors Handle High-Pressure Applications?

Yes, screw compressors are capable of handling high-pressure applications. Here’s a detailed explanation:

Screw compressors are known for their ability to deliver high-pressure compressed air or gas. The design of screw compressors allows them to achieve higher pressure ratios compared to other types of compressors, such as reciprocating piston compressors.

The compression process in screw compressors is continuous and smooth, which enables them to handle high-pressure requirements efficiently. The intermeshing rotors create compression chambers that gradually reduce in volume, resulting in the compression of air or gas. By adjusting the rotational speed of the rotors and optimizing the design parameters, screw compressors can generate the desired high discharge pressures.

However, it’s important to note that the maximum pressure capability of a screw compressor may vary depending on factors such as:

  • 1. Compressor Design: The design features of the screw compressor, including the rotor profile, sealing mechanism, and cooling system, can influence its maximum pressure capacity.
  • 2. Rotor Size and Speed: The size and rotational speed of the rotors impact the compression ratio and, consequently, the achievable discharge pressure. Larger rotors and higher rotational speeds generally allow for higher pressure ratios.
  • 3. Drive Power: The power of the drive motor connected to the screw compressor affects its ability to handle high-pressure applications. Adequate power is necessary to overcome the resistance and maintain the desired compression ratio.
  • 4. Structural Integrity: The structural integrity and material strength of the compressor housing, rotors, and other components determine the maximum pressure that the compressor can withstand without failure or leakage.

It’s important to select a screw compressor with the appropriate specifications and consult the manufacturer’s guidelines to ensure that it can handle the specific high-pressure requirements of the application.

Additionally, it’s worth noting that high-pressure applications may also require additional equipment, such as pressure vessels or downstream pressure regulators, to safely handle and control the compressed air or gas at the desired pressure levels.

China Professional Top Manufacturer of Industrial 190-1400 Cfm 2/4 Wheels Mining Portable Mobile Movable Diesel Engine Direct Driven Screw Type Rotary Air Compressor   best air compressorChina Professional Top Manufacturer of Industrial 190-1400 Cfm 2/4 Wheels Mining Portable Mobile Movable Diesel Engine Direct Driven Screw Type Rotary Air Compressor   best air compressor
editor by CX 2023-11-03

China Good quality Diesel Driven Portable Screw Air Compressor Lgcy-7/7 mini air compressor

Product Description

Production Description
Diesel Driven Portable Screw Air Compressor

Diesel portable screw air compressor widly use in mining,water conservation,traffic,shipbuilding,urban construction,energy supply,and military industry.Highly reliable and efficient,This mobile CHINAMFG air compressor is availble in a complete range of models.It’s power ranges between 37kw and 300kw.Its air capacity is 30m³/min with the discharge pressure up to 2.2Mpa.
 

Model

displacement

Exhaust pressure

Reted power

weight

Size

m3/min

MPa

KW

kg

mm×mm×mm

LGCY-6/7

6

0.7

YCD4B22-95,70kW

1400

3750×1920×1700

LGCY-7/7

7

0.7

YCD4B22-95,70kW

1500

3750×1920×1700

LGCY-7.5/7

7.5

0.7

YC4D80-K20,58kW

1850

3900×1920×1700

LGCY-9/7

9

0.7

YC4D95Z-K20,70kW

1850

3900×1920×1700

LGCY-10/7

10

0.7

YC4D95Z-K20,70kW

1900

3900×1920×1700

LGCY-10/10

10

1

4BTA3.9-C125,93kW

1900

3900×1920×1900

LGCY-10/13

10

1.3

YC6B150Z-K20,110KW

2380

4080×1980×2350

LGCY-8.5/14

8.5

1.4

4BTA3.9-C125,93kW

1900

3900×1920×1900

LGCY-12/7

12

0.7

4BTA3.9-C125,93kW

2050

3900×1920×1900

LGCY-12/7A

12

0.7

YC4A125Z-T10,92kW

2050

4000×1980×1900

LGCY-9/14

9

1.4

YC6B150Z-K20,110KW

2380

4080×1980×2350

LGCY-9/14.5

9

1.45

YC6B150Z-K20,110kW

2380

3970×1940×2350

LGCY-12/10

12

1

YC6B150Z-K20,110kW

2380

4080×1980×2350

LGCY-12/12

12

1.2

EQ6BT5.9-C160,118kW

2380

4080×1980×2350

LGCY-13/17

13

1.7

6CTA8.3-C215,158kW

2380

3780×1980×2350

LGCY-13/13

13

1.3

6BTA5.9-C180,132kW

2750

3450×1520×2220

LGCY-13/13A

13

1.3

YC6A190Z-T10,140kW

2750

3450×1520×2220

LGCY-15/13

15

1.3

WD415.23,166kW

3350

3380×1650×2500

LGCY-15/13A

15

1.3

YC6A240-20,177kW

3350

3380×1650×2500

LGCY-16/13

16

1.3

6CTA8.3-C215,158kW

3700

3980×1800×2450

LGCY-17/7

17

0.7

6BTA5.9-C180,132kW

3050

3380×1640×2350

LGCY-17/14.5

17

1.45

6CTA8.3-C260,194kW

3700

3980×1800×2450

LGCY-16/17

16

1.7

6CTA8.3-C260,194kW

3700

3650×1800×2500

LGCY-18/17

18

1.7

6CTA8.3-C260,194kW

3700

3980×1800×2450

LGCY-22/8

22

0.8

6CTA8.3-C260,194kW

4000

4580×1950×2600

LGCY-22/14

22

1.4

YC6M340L-K20,250kW

4500

4580×1950×2600

LGCY-22/14K

22

1.4

6LTAA8.9-C325,239kW

4500

4580×1950×2600

LGCY-22/13S

22

1.3

WD615.46,266kW

4500

4250×1950×2500

LGCY-27/10

27

1

YC6M340L-K20,250kW

5000

4600×1950×2850

LGCY-22/20

22

2

YC6M395L-K20,288kW

4850

4600×1950×2850

LGCY-22/20K

22

2

6LTAA8.9-C360,265kW

4500

4600×1950×2850

LGCY-22/20

22

2

NTA855-P400,298kW

4850

4450×1950×2650

LGCY-26/20

26

2

NTA855-P400,298kW

4850

4450×1950×2650

LGCY-33/25

33

2.5

QSZ13-C550

6800

4700×2100×2850

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Angular
Structure Type: Closed Type
Installation Type: Movable Type
Customization:
Available

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air compressor

What Is the Noise Level of Screw Compressors?

The noise level of screw compressors can vary depending on several factors, including the compressor’s size, design, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

Screw compressors are known for their relatively low noise levels compared to other types of compressors, such as reciprocating compressors. However, the actual noise level can still vary depending on the specific compressor model and its operating parameters.

The noise level of screw compressors is typically measured in decibels (dB) and can range from around 60 dB to 90 dB or higher. It’s important to note that the noise level is logarithmic, meaning that a small increase in decibel level represents a significant increase in perceived noise intensity.

Several factors can influence the noise level of screw compressors:

  • 1. Compressor Size and Design: Larger screw compressors tend to produce higher noise levels compared to smaller ones. This is because larger compressors generally have more powerful motors and larger rotating components, which can generate more noise. The design of the compressor, including the type of rotor profiles and the presence of noise-reducing features, can also impact the noise level.
  • 2. Operating Conditions: The operating conditions of the compressor, such as the speed of rotation and the discharge pressure, can affect the noise level. Higher speeds and pressures may result in increased noise production. Additionally, the presence of pulsations or vibrations in the system can contribute to noise generation.
  • 3. Sound Insulation and Enclosures: Some screw compressors come with built-in sound insulation or enclosures to reduce noise levels. These features help contain the noise within the compressor unit and minimize the propagation of noise to the surrounding environment. Compressors equipped with sound insulation or enclosures generally have lower noise levels compared to open-frame compressors.
  • 4. Installation and Surrounding Environment: The installation of the compressor and the characteristics of the surrounding environment can influence the perceived noise level. Factors such as the proximity of the compressor to sensitive areas, the presence of sound-absorbing materials, and the layout of the facility can impact the noise propagation and overall noise perception.
  • 5. Maintenance and Wear: Proper maintenance of the compressor, including regular inspection and lubrication of components, can help minimize noise levels. Wear and tear on the compressor’s internal parts can lead to increased noise production, so timely repairs or component replacements are important to maintain optimal performance and minimize noise.

It’s worth noting that noise levels are typically provided by manufacturers as specifications for each compressor model. These specifications can help users select compressors with noise levels that meet their specific requirements or comply with local noise regulations.

In summary, the noise level of screw compressors can range from around 60 dB to 90 dB or higher, depending on factors such as compressor size, design, operating conditions, and the presence of noise-reducing features. Proper installation, maintenance, and the use of sound insulation or enclosures can help minimize noise levels and create a more comfortable and quieter operating environment.

air compressor

Can Screw Compressors Be Used for Medical Air Supply?

Yes, screw compressors can be used for medical air supply. Here’s a detailed explanation:

Screw compressors are commonly employed in various applications, including medical air supply systems. Medical air is a critical utility in healthcare facilities, used for various purposes such as respiratory therapy, anesthesia, and surgical tools. Here are some key points to consider:

1. Reliability and Efficiency:

Screw compressors are known for their reliability and efficiency. They can provide a continuous and reliable source of compressed air, ensuring a stable supply for medical applications. The rotary screw design allows for smooth and efficient compression, minimizing energy consumption and maximizing system performance.

2. Oil-Free Operation:

In medical applications, it is crucial to ensure the purity of the compressed air. Screw compressors can be designed and certified to provide oil-free air, eliminating the risk of oil contamination in the medical air supply. Oil-free screw compressors incorporate specialized sealing systems and filtration to prevent oil carryover, making them suitable for medical air applications.

3. Air Quality Standards:

Medical air must meet specific air quality standards to ensure patient safety and treatment effectiveness. Standards such as the European Pharmacopoeia (Ph. Eur.) or the United States Pharmacopeia (USP) define the required purity levels for medical air, including limits on particulate matter, moisture content, and microbial contamination. Screw compressors can be equipped with appropriate filtration and purification systems to meet these standards.

4. Integrated Drying and Filtration:

Some screw compressors designed for medical air applications incorporate integrated drying and filtration systems. These systems remove moisture and contaminants from the compressed air, ensuring it meets the required quality standards. Integrated drying systems can include refrigerated dryers, desiccant dryers, or membrane dryers, depending on the specific needs of the medical air supply system.

5. Redundancy and Backup Systems:

Medical air supply systems often require a high level of reliability and continuity. Screw compressors can be configured with redundancy and backup systems to ensure uninterrupted supply. Multiple compressors can be installed in parallel, with automatic switching mechanisms to maintain supply in case of a compressor failure or maintenance activities.

6. Monitoring and Alarms:

Modern screw compressors used in medical air supply systems often feature advanced monitoring capabilities. They can continuously monitor and record key parameters such as pressure, temperature, and system performance. Alarms and alerts can be configured to notify operators or maintenance personnel in case of abnormal conditions or potential issues with the compressor.

7. Compliance with Standards and Regulations:

When using screw compressors for medical air supply, it is essential to comply with relevant standards and regulations. These may include medical device regulations, electrical safety standards, and guidelines specific to medical gas systems. Compliance ensures that the medical air supply system meets the necessary safety and quality requirements.

In summary, screw compressors can be used for medical air supply, providing reliable and efficient compressed air for various medical applications. With their reliability, oil-free operation, adherence to air quality standards, integrated drying and filtration capabilities, and the ability to incorporate redundancy and monitoring features, screw compressors are well-suited for medical air supply systems in healthcare facilities.

air compressor

Can Screw Compressors Be Used in Industrial Applications?

Yes, screw compressors are widely used in industrial applications and are well-suited for various industrial processes. Here’s a detailed explanation:

1. Manufacturing and Assembly:

Screw compressors find extensive use in manufacturing and assembly processes. They provide a reliable source of compressed air for powering pneumatic tools, such as drills, impact wrenches, and spray guns. Compressed air is also used for operating pneumatic cylinders and valves, facilitating automation and control in industrial production lines.

2. Industrial Automation:

In industrial automation systems, screw compressors play a crucial role in providing compressed air for actuating control valves, operating robotic arms, and powering pneumatic actuators. The continuous and reliable supply of compressed air from screw compressors ensures the smooth operation of automated machinery and equipment.

3. HVAC Systems:

Screw compressors are commonly used in large-scale heating, ventilation, and air conditioning (HVAC) systems. They are employed in chillers, which cool water or air for air conditioning and refrigeration purposes. Screw compressors in HVAC systems offer high energy efficiency, making them cost-effective and environmentally friendly options for large commercial and industrial buildings.

4. Food and Beverage Industry:

The food and beverage industry relies on screw compressors for various applications. They are used for providing compressed air in food processing and packaging operations, such as pneumatic conveying, filling, labeling, and sealing. Screw compressors used in this industry are often of the oil-free type to ensure air purity and prevent contamination of food products.

5. Pharmaceuticals and Healthcare:

In the pharmaceutical and healthcare sectors, screw compressors are vital for critical applications. They provide clean and oil-free compressed air required for pharmaceutical manufacturing processes, including tablet coating, fermentation, lyophilization, and cleanroom operations. Screw compressors with strict air quality standards, such as oil-free and contaminant-free options, are commonly used in these industries.

6. Energy and Power Generation:

Screw compressors play a significant role in energy and power generation facilities. They are used for processes such as gas compression, pneumatic conveying of coal and biomass, and control air supply in power plants. Screw compressors in these applications are designed to handle high pressures and large volumes of gas.

7. Mining and Construction:

In mining and construction industries, screw compressors are employed for various tasks. They power pneumatic tools and equipment used in drilling, rock blasting, material handling, and construction activities. Screw compressors are valued for their reliability, continuous operation, and ability to withstand harsh operating conditions.

8. Oil and Gas Industry:

The oil and gas industry extensively uses screw compressors for gas compression and processing. Screw compressors are employed in natural gas pipelines, gas processing plants, and refineries. They handle the compression of gases, such as natural gas, hydrogen, and process gases, ensuring efficient transportation and refining operations.

These are just a few examples of the industrial applications where screw compressors are commonly used. Their high efficiency, continuous operation, compact design, and capacity flexibility make them well-suited for a wide range of industrial processes and systems.

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editor by CX 2023-10-21