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(/(.*?):(.*)$/))&&1
| After-sales Service: | 12 months |
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| Warranty: | 12 months |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
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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.
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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.
editor by CX 2024-02-01
China supplier Good Quality Portable 23m3 25bar 830cfm Compressor Diesel Engine Driven Screw Air Compressor Factory Price near me factory
Merchandise Description
. Suction valve Lubricating oil filter Oil thermostatic valve 50°C radiator
Solenoid valve Vertical air/oil tank Pressure typical valve Air/oil separator
Lubricating oil radiator Safety valve Emergency end button Air filter of engine
Minimum strain valve Lockable battery isolator swap
Air filter of compressor Vent valve Powder coated cover Shuttle valve
24V sealed for lifestyle routine maintenance totally free battery Gas tank for 8 several hours operating
1.Air end 2. Capability of Oil and fuel tank 3. Consumption valve 4. Canopy of engine
five.Silencer 6. Axle 7.tank 8. Battery
nine.Base 10.Control panel
Decide on an Air Compressor for Your Business
There are numerous variables to take into account when picking an air compressor for your enterprise. 1 aspect to think about is the type of compressor you are searching for, which might incorporate one-phase, lower sound, and positive displacement. Hope this write-up aids you make the right choice. After all, your enterprise good results will count on this device! Let’s take a nearer look at these elements. Also, contemplate what compressor manufacturers say about their merchandise.
Optimistic displacement
Good displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This will increase the strain at which the gasoline can be pumped at rates that can not be pumped via the outlet at reduced pressures at larger mass circulation prices. These types of compressors are accessible in one-acting and double-acting configurations. They are categorized by the variety of cylinders.
There are two diverse varieties of air compressors: reciprocating air compressors and screw compressors. The two are roll devices. Good displacement air compressors use pistons and cylinders to compress air. The ensuing air stress builds up in the compressor housing, rising the likely strength of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either solitary-phase screw-blade air compressors or multi-phase screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete portions. The number of times the chamber was refilled and emptied was used to estimate the total circulation. Nonetheless, positive displacement circulation meters are inclined to leaks, reducing the accuracy of the estimates. If a leak occurs, it can trigger bogus readings and injury the compressor. However, leaks in optimistic displacement air compressors can decrease strain.
The most typical sorts of constructive displacement air compressors are screw, reciprocating, and vane. Rotary good displacement air compressors are also obtainable as properly as several other air compressors. Good displacement air compressors are most generally utilised in large production amenities. If you are considering an air compressor for business or industrial programs, it is imperative to realize how the elements of the device perform. Please read through the information beneath to find out much more just before selecting which application is very best for you.
Positive displacement air compressors use a piston to drive air into a chamber, compressing the air in the process. The piston moves in the opposite path, thus reducing the quantity of the chamber. When the volume of air in the chamber reaches its highest price, the valve opens, making it possible for it to escape at greater strain. Constructive displacement air compressors are normally significantly less efficient than centrifugal compressors. Even so, they are even now an outstanding selection for a range of apps.
One-stage
The discharge force of the solitary-phase air compressor is used to handle the operation of the compressor. Correctly developed load/unload controls permit the air compressor to function at its most efficient stage whilst minimizing tension on the main engine bearings. Solitary-phase air compressors can approach variable pace efficiency with suitable storage capacity. Nevertheless, poor storage can trigger untimely bearing wear on the main unit. If this is the situation, a single-stage air compressor might not be ideal.
A solitary-phase air compressor has only a single cylinder, which indicates a single stroke is needed to move air from one cylinder to an additional. Pressure is calculated in cubic toes for each moment or CFM. Tank measurement is also critical as a large one-stage air compressor may be essential to work several air equipment. Single-stage air compressors can be utilized in a assortment of applications and can very last for a long time.
For the most typical employs, single-stage air compressors are the most useful choice. These gadgets work with most hand equipment, from hammers to grinders. Single-phase air compressors are light-weight and easy to go. Nonetheless, two-phase air compressors supply a lot more CFM, generating them a better selection for industrial or professional use. Nevertheless, two-stage compressors are not appropriate for non-public use. As a result, if your primary purpose is Do it yourself and craft initiatives, it is greater to choose a solitary-stage air compressor.
In contrast with two-phase air compressors, one-stage screw air compressors are more affordable. They appear from a variety of producers and assortment in electrical power from 3 to 600 horsepower. Single-stage air compressors are a expense-effective solution for a selection of air compressor needs. They offer adaptability and a number of handle techniques, producing them an outstanding option for a lot of different purposes. Consequently, when deciding on an air compressor for your company, select the a single with the most appropriate features.
One-phase air compressors are the most affordable and easy-to-use air compressors for modest to medium employment. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge strain to complete inlet strain. When calculating the ratio, it normally takes into account atmospheric pressure and gauge strain. The compression ratio pushes the surface area region of the rotor, which increases the thrust load.
Single-phase air compressors are smaller and less difficult to transportation than two-phase models. Solitary-phase air compressors have 1 air ingestion, and two-phase air compressors have two air intakes. The difference among solitary-phase and two-stage air compressors mostly is dependent on the number of instances the air is compressed. A single-phase air compressor compresses the air after, whilst a twin-stage air compressor compresses the same quantity of air two times.
minimal noise
Low sound air compressors are perfect for a assortment of programs. Whilst no air compressor is totally silent, some types are considerably quieter than others. For the Hitachi EC28M transportable compressor, the noise degree is fifty nine decibels. The compressor attributes metal rollers that defend the inner components and give it a sleek, modern day appear. It also has a one particular-gallon gas tank and a fifty percent-horsepower drive.
Noise from air compressors can be distracting and lessen productiveness. It is essential to choose reduced-sound air compressors to keep personnel healthful and content at perform. While sounds is an unfortunate element of functioning on the shop flooring, lowering it can boost productiveness. By reducing distracting sound, employees can focus on their function and connect a lot more properly. That indicates higher good quality function and happier clients. If you’re hunting for a minimal-sound air compressor, be certain to study the guidelines below.
Low sounds air compressors are an exceptional selection for businesses of all sizes. These potent resources can run several resources simultaneously. The two drinking water tanks are manufactured of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle huge work with simplicity. It costs a lot more than other air compressors, but it can deal with a great deal of operate effectively. CZPT Air Tools air compressors occur with a one-year warranty and are hugely advisable by contractors.
Noiseless air compressors are generally more pricey than similar items, but they are really worth the extra price. Noiseless compressors are a great alternative for firms that require to stay away from disturbing nearby folks. For example, you might want to consider a minimal-sound air compressor for a dental place of work, which can’t tolerate sounds. Luckily, this difficulty can be solved by relocating the compressor to a location that is much more isolated from your workspace.
One manufacturer of low-sounds air compressors delivers two versions. The CZPT Air Instruments 2010A functions a massive forged aluminum can, regulating pressure gauge, and two universal swift-connects. It produces sixty eight decibels of sounds when it functions. It has a large 8-gallon gas tank potential and has wheels and handles for simple transport. Its strong engine creates a reduced sounds level of 68 decibels.
An additional popular reduced sounds air compressor is the Makita MAC210Q Quiet Sequence. This model is able of generating up to seventy one.5 decibels of audio, which is the sum of air it creates at 90PSI. The MAC210Q characteristics a durable oil-cost-free pump and weighs just 36 pounds with a take care of and wheels. These compressors are effortless to move and ideal for indoor operate.