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China best 7.5kw 10HP Stationary Screw Air Compressor High Efficiency Airend Direct Driven Rotary Screw Air Compressor with Air Cooling manufacturer

Product Description

7.5KW 10HP Stationary Screw Air Compressor High Efficiency Airend Direct Driven Rotary Screw Air Compressor with Air Cooling

Specification:

Parameter/Model Displacement/Pressure Cooling Method Lubrication volume(L) Noise db Driving mode Voltage Power Start up mode Dimention Weight Output pipe diameter
m3/min KW/HP L*W*H KG
ZL-10A 0.9/0.7 0.8/0.8 0.69/1.0 0.6/1.2 air cooling 10 66±2 direct driving 220V/380V/415V;50Hz/60Hz 7.5/10 y-start-up; varialbe Frequency starting 850*700*920 210 G 1/2″
ZL-20A 2.5/0.7 2.3/0.8 2.1/1.0 1.9/1.2 air cooling 18 68±2 direct driving 220V/380V/415V;50Hz/60Hz 15/20 y-start-up; varialbe Frequency starting 950*750*1250 300 G 3/4
ZL-30A 3.8/0.7 3.6/0.8 3.2/1.0 2.7/1.2 air cooling 18 68±2 direct driving 220V/380V/415V;50Hz/60Hz 22/30 y-start-up; varialbe Frequency starting 1380*850*1160 450 G 1″
ZL-50A 6.8/0.7 6.2/0.8 5.6/1.0 5.0/1.2 air cooling 30 68±2 direct driving 220V/380V/415V;50Hz/60Hz 37/50 y-start-up; varialbe Frequency starting 1550*1000*1330 650 G 1-1/2
ZL-10A-PM 0.9/0.7 0.8/0.8 0.69/1.0 0.6/1.2 air cooling 10 66±2 direct driving 220V/380V/415V;50Hz/60Hz 7.5/10 y-start-up; varialbe Frequency starting 850*700*820 210 G 1/2″
ZL-20A-PM 2.5/0.7 2.3/0.8 2.1/1.0 1.9/1.2 air cooling 18 68±2 direct driving 220V/380V/415V;50Hz/60Hz 15/20 y-start-up; varialbe Frequency starting 950*750*1250 300 G 3/4″
ZL-30A-PM 3.8/0.7 3.6/0.8 3.2/1.0 2.7/1.2 air cooling 18 68±2 direct driving 220V/380V/415V;50Hz/60Hz 22/30 y-start-up; varialbe Frequency starting 1380*850*1160 450 G 1″
ZL-50A-PM 6.8/0.7 6.2/0.8 5.6/1.0 5.0/1.2 air cooling 30 68±2 direct driving 220V/380V/415V;50Hz/60Hz 37/50 y-start-up; varialbe Frequency starting 1550*1000*1330 650 G 1-1/2″

Intelligent Screw Air Compressor
Ariend with high air flow,low nose ,high relisbility.
The life of the spare parts is long,easy to buy ,lost cost .
Easy maintenanance,save more time.

PRODUCT FEATURES
ENERGY SAVING
Ultra-low frequency speed control technology far surpasses standard VSD compressor systems.
Capable lower than 15Hz operation,this system is truly capable of constant variable pressure operation and significant energy saving.

HIGH RELIABILITY
USoft-Start feature allows for litte or no impact on the power supply system and marginalises mechancial wear and tear up on start-up.
LLeakageis always present in any air system .at full presure a good system can loose 0.2Mpa.CHINAMFG VSD machines can reduce thar loss by up to 25%simply by supplying the air pressure that is required.

MUTE ENVIRONMENTAL PROTECTION
Advanceed Vector variable frequency control reduces vibration and noise.The unit can be used without the requirement for a special room.
This means saving of all resources required to install a machine in an external location such as pipe and power lines and land.Oil exhaust output is lower than 3ppm thus negating enviromantal impact.

ENERGY SAVING 30%&LONGER LIFE
Utilising frequency control for the cooling fan and drive motor allows for up to 30% energy savings.This translates into less frequent servicing of the CHINAMFG thus further significant saving are achieved over the life of the machine.

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Why Trust Us ?

 

Who We are ?

ZHangZhoug Zhilun Mechanical &Electrical Co.Ltd. is 1 of the main manufactures,specialized in R & D, manufacturing and sales of the piston air compressor and screw air compressor. Our company is located in CHINAMFG town, LuQiao District, TaiZhou City, only 3km away from TaiZhou Airport, and around 220km away from HangZhou port. The traffic is very convenient for your visiting.
Our company owns an area of 50000 suqare mater and has more than 300 staffs.  

We have advanced production equipments and are familiar with the process of the mass production. We also have high precision measuring instruments and high efficiency of automatic assembly line to ensure the quality and quantity of the products. We have strong technical strength and production management, gathering the technical team and manamement team from the leading air compressor enterprises. We set up our own development team, which has a strong ability to develop the product and can meet the different demands from different customer and makets.

We take the maket demands as the guidance, strives for the survival by quality ,strives for the development by innovation,always put customers,quality and innovation in the first place ,follow up the prefessional management and continuously satisfy the demanded of the customer. We always follow up the principle of people-oriented, legitimate business, honest & trustworthy, focus on the industy of the air compressor, with the effort to create a first-class brand in the industry of air compressor.

 

Frequency Asked Question:

Q1: Are you factory or trade company?  
A1: We are factory.Thank you.

Q2: What’s the exact address of your factory? 
A2: Our company located in CHINAMFG town,LuQiao District, TaiZhou, ZHangZhoug Province, China . Thank you.

Q3: Warranty terms of your air compressor machine? 
A3: One years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the air compressor? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: About 25 working days after receiving the deposit.

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcomed.

Q7:What trade terms do we provide ?
A7:Trade terms FOB, CIF.

Q8:What is our payment term? What kind of settlement currency do we offer ?
A8:Normally, we can do T/T and LC at sight, for the T/T, 30% will be required as deposit, the balance amount against the copy of the BL.
   We can accept the currency in USD or RMB.

Q9:What about the cost of sample?
A9:  The cost of the sample will be required, but we can return back the amount in the future order by 1*40’HQ.

 

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Samples:
US$ 1000/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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 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 the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China best 7.5kw 10HP Stationary Screw Air Compressor High Efficiency Airend Direct Driven Rotary Screw Air Compressor with Air Cooling   manufacturer China best 7.5kw 10HP Stationary Screw Air Compressor High Efficiency Airend Direct Driven Rotary Screw Air Compressor with Air Cooling   manufacturer
editor by CX 2023-09-29