China Professional China Manufacture Hot Sales Oil Free Scroll Air Compressor wholesaler

Product Description

Product Description

 China Manufacture Hot Sales Oil Free Scroll Air Compressor

Advantages1.   Large displacement: Displacement 10% higher than ordinary piston compressor.
2.   Energy-saving: Compared with a piston air compressor, this series of models for the new national standard 2 energy efficiency products, excellent energy saving.
3.   Easy to operate: 24 hours unattended all day work, freeload automatically start, full load automatically shut down.
4.   Strong stability: Under long time working, displacement and pressure stable, no crash phenomenon, low failure rate.
5.   Remote monitor: Computer remote monitoring data, normal operation data, and fault alarm, unattended
6.   Compressed gas 100% purity oil free gas
7.   Oil-Free Scroll Air End: 
No vibration and low noise interpret perfectly the genuine made in Germany. Big rotor, low speed of rotation and direct connection. 
8.   Motor: First-class motors are adopted, with the level of protection being IP54 and insulation level being F.
9.   Easy to operate: It is of beautiful appearance, stable performance, and economy.
10. Strong stability: Under long time working, displacement and pressure stable, no crash phenomenon, low failure rate.

Detailed Images

Welcome your inquiry for more special process gas compressor to KEEPWIN 

The type and parameters of the scroll profile determine the working process of the oil-free scroll air compressor. The design of the scroll profile is the core and key of the performance of the scroll air compressor. Based on differential geometry theory, calculates and deduces the mathematical model of the compression process of the scroll air compressor, makes mechanical analysis with the finite element method and simulates the whole balance system with dynamic simulation. High precision numerical control processing and testing technology transforms the theory into safe and reliable industrial products, providing users with stable equipment and excellent compressed air.

Product features

1) Silent mute and energy saving

The suction and exhaust are stable and keep high frequency so that the airflow pulsation is very small. The centrifugal fan for centrifugal air is used and the air duct is optimized to reduce the operation noise. The specific power is far lower than the traditional compressor, saving energy and environmental protection.

2) Clean and oil-free

During the operation of the equipment, there is no need to add lubricating oil, and the gas produced does not contain any oil, and at the same time, the occurrence of overheating life reduction caused by emulsification of oil compressor at low temperature is avoided.

3) Easy maintenance and low cost

The equipment has few parts, small volume, lightweight, no wearing parts, long service life, and very simple maintenance. Compared with the compressor with oil, there is no need to add lubricating oil, no oil mist filter, and the replacement cycle of main pipeline filter and the post-treatment filter element is greatly extended, which reduces the cost of pipeline cleaning and equipment maintenance, and there is no drainage treatment cost of oily wastewater.

Working principle

The moving disk rotates according to the sequence of figure 1-2-3-4-5. The moving and static disks mesh to form a number of crescent-shaped closed compression chambers. The gas is gradually compressed by the crescent-shaped compression chamber and then discharged from the exhaust port in the center of the static disk.

Inquiry to us!
Note:for the other customizing process water chiller & gas compressor, please kindly send below information to our factory to calculate the producing cost for your item.
Clients’ inquiries should contain related parameters 
A. The gas compression medium 
B. Gas composition? or the gas purity?
C. The gas flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.

We view client satisfaction as the witness of our products utility and application in all environments. In line with it, we have developed a general framework for comprehending new developments in the compressor industry.
Welcome to join us !
We Consider Our Customers as Our Friends and Families, and We do Believe in the CHINAMFG Situation for Building up Long-Term Relationship. 
• Innovation
    Provide innovative, stable products and services.
• Quality
    Deliver consistently superior performance and pursue every possible improvement. 
• Agility
    Identify emerging trends and act quickly to acquire new opportunities.
• Customer Satisfaction
    Anticipate customer needs and exceed their expectations.
• Warranty
Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.
According to the customer’s requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products, we packed all of the goods by polywood case free for them. 
• Contact Information
 Tel: -139-1068-4359


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Principle: Rotary Compressor
Application: Back Pressure Type
Performance: Low Noise, Variable Frequency, Explosion-Proof
Mute: Mute
Lubrication Style: Oil-free
Drive Mode: Electric
US$ 3280/Piece
1 Piece(Min.Order)

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air compressor

How Do You Ensure the Air Quality Produced by Oil-Free Compressors?

Ensuring the air quality produced by oil-free compressors involves a combination of factors, including proper equipment selection, appropriate maintenance practices, and adherence to industry standards. Here’s a detailed explanation of how to ensure the air quality produced by oil-free compressors:

1. Equipment Selection:

Choosing the right oil-free compressor is the first step in ensuring air quality. It is essential to select a compressor that is specifically designed for applications requiring clean air, such as food and beverage processing, pharmaceutical manufacturing, electronics assembly, and medical facilities. Consideration should be given to the compressor’s filtration capabilities, air treatment options, and compliance with relevant industry standards and regulations.

2. Filtration Systems:

The filtration systems integrated into oil-free compressors play a crucial role in maintaining air quality. These systems typically include pre-filters, coalescing filters, and activated carbon filters. Pre-filters remove larger particles, coalescing filters capture smaller particles and coalesce water vapor, and activated carbon filters absorb odors and remaining oil vapors. Regular inspection and replacement of filters are necessary to ensure their effectiveness in removing contaminants from the compressed air.

3. Regular Maintenance:

Regular maintenance is key to preserving air quality. This includes following the manufacturer’s recommended maintenance schedule, which may involve tasks such as filter replacement, lubrication of non-compressed parts, and inspection of seals and gaskets. Proper maintenance helps prevent air leaks, ensures the compressor operates efficiently, and reduces the risk of contamination.

4. Air Quality Testing:

Periodic air quality testing is essential to verify the effectiveness of the oil-free compressor and its filtration system. Air quality testing can involve measuring parameters such as oil content, particulate matter, moisture levels, and microbiological contamination. By conducting regular air quality tests, any deviations from the desired air quality standards can be identified, allowing for corrective actions to be taken promptly.

5. Compliance with Standards:

Adhering to industry standards and regulations is crucial in ensuring air quality. Standards such as ISO 8573 specify the acceptable limits for contaminants in compressed air, including oil content, particulate matter, and moisture. Compressors should be selected, installed, and operated in accordance with these standards. Regular auditing and certification processes can help ensure ongoing compliance and provide assurance of air quality to stakeholders.

6. Training and Education:

Proper training and education of personnel involved in the operation and maintenance of oil-free compressors are vital. Operators should be familiar with the specific requirements of oil-free compressors, including the importance of filtration, maintenance procedures, and recognizing signs of potential issues. Training programs can help ensure that operators have the necessary knowledge and skills to maintain air quality effectively.

By considering equipment selection, implementing robust filtration systems, conducting regular maintenance, performing air quality testing, complying with standards, and providing appropriate training, the air quality produced by oil-free compressors can be effectively ensured. These measures are essential for applications where air purity is critical, safeguarding product integrity, process efficiency, and the health and safety of personnel.

air compressor

What Are the Key Components of an Oil-Free Compressor System?

An oil-free compressor system consists of several key components that work together to compress air without the use of oil. Here’s a detailed explanation of the main components:

1. Air Intake:

The air intake is the entry point where ambient air is drawn into the compressor system. It typically includes a filter to prevent dust, debris, and other contaminants from entering the compressor and ensures clean air for compression.

2. Air Compressor Unit:

The air compressor unit is the core component responsible for compressing the incoming air. In an oil-free compressor system, this unit is designed to operate without the need for lubricating oil. It generally consists of one or more compression stages, each comprising a cylinder, piston, valves, and seals. The compression process raises the pressure of the air, resulting in compressed air output.

3. Compression Cooling System:

During the compression process, the air temperature increases significantly. To prevent overheating and ensure efficient operation, oil-free compressor systems employ cooling systems. These cooling systems can include air cooling or water cooling mechanisms, which help dissipate the heat generated during compression and maintain optimal operating temperatures.

4. Air/Oil Separation System:

An oil-free compressor system employs an air/oil separation system to ensure that no oil is carried over into the compressed air. This system typically consists of specialized filters or separators that remove any residual oil or oil mist from the compressed air before it leaves the compressor system. This separation process ensures that the compressed air remains oil-free.

5. Control and Monitoring Systems:

Modern oil-free compressor systems are equipped with advanced control and monitoring systems. These systems enable precise control of various parameters, such as pressure, temperature, and compressor speed. They also provide real-time monitoring of performance, efficiency, and potential issues. Control and monitoring systems allow for optimized operation, energy efficiency, and proactive maintenance.

6. Air Receiver Tank:

An air receiver tank, also known as a compressed air storage tank, is often included in oil-free compressor systems. The tank serves as a storage reservoir for the compressed air, providing a buffer to meet fluctuating air demand. It helps stabilize the pressure, reduces pressure fluctuations, and allows for more efficient usage of the compressed air in downstream applications.

7. Air Treatment Components:

Depending on the specific application requirements, oil-free compressor systems may include additional air treatment components. These components can include filters, dryers, and condensate management systems. Filters remove particulates and contaminants from the compressed air, while dryers remove moisture to ensure the production of clean, dry, and high-quality compressed air. Condensate management systems handle the separation and disposal of liquid condensate produced during the compression process.

8. Piping and Distribution System:

The piping and distribution system transports the compressed air from the compressor unit to the desired application points. It includes pipes, fittings, valves, and connectors that ensure proper airflow and distribution of the compressed air throughout the system. The piping system should be designed and sized appropriately to minimize pressure drops and optimize efficiency.

These are the fundamental components found in oil-free compressor systems. However, it’s important to note that the specific configuration and additional components may vary depending on the design, capacity, and intended application of the compressor system.

air compressor

How Does an Oil-Free Air Compressor Work?

An oil-free air compressor, also known as an oilless air compressor, operates using alternative methods to achieve compression without the need for lubricating oil. These compressors employ various techniques to deliver clean, oil-free compressed air. Here’s a detailed explanation of how an oil-free air compressor works:

1. Dry Compression:

In oil-free air compressors, the compression chamber is designed to operate without any oil present. The compression process starts with the intake stroke, where ambient air is drawn into the compressor through an inlet valve. The air is then compressed in the compression chamber without any oil lubrication.

2. Friction Reduction:

Since there is no oil in the compression chamber, special measures are taken to reduce friction and wear between the moving parts. These measures include the use of specialized materials, coatings, and surface treatments on the compressor components. These friction-reducing techniques minimize the need for lubrication and allow for efficient compression.

3. Piston Rings and Seals:

Oil-free compressors utilize advanced piston rings and seals to provide effective sealing without the need for oil lubrication. These rings and seals are designed to reduce internal leakage and ensure efficient compression. They help maintain the compression efficiency by minimizing air leakage during the compression process.

4. Cooling Mechanisms:

Oil-free air compressors often incorporate cooling mechanisms to dissipate the heat generated during compression. This helps prevent overheating and ensures the compressor operates within acceptable temperature limits. Common cooling methods include water cooling and air cooling. Water-cooled compressors use a water jacket or a separate cooling circuit to remove heat, while air-cooled compressors rely on fans and heat sinks to cool the compressor.

5. Filtration:

Oil-free compressors typically incorporate effective air filtration systems to remove contaminants, such as dust, particles, and moisture, from the intake air. These filtration systems ensure that the compressed air produced is clean and free from impurities. Depending on the application, additional filtration equipment, such as coalescing filters or activated carbon filters, may be employed to achieve specific air quality requirements.

6. Control and Safety Systems:

Oil-free air compressors are equipped with control and safety systems to monitor and regulate the compressor’s operation. These systems can include pressure switches, temperature sensors, safety valves, and control panels. They help maintain optimal operating conditions, protect the compressor from excessive pressures or temperatures, and provide safety features to prevent damage or accidents.

By employing these techniques and components, oil-free air compressors achieve compression without the need for lubricating oil. This results in clean, oil-free compressed air that is suitable for applications where oil contamination could be problematic, such as in industries like food processing, pharmaceuticals, electronics, and painting.

It’s important to note that the specific design and operation of oil-free air compressors may vary depending on the manufacturer and model. Therefore, it’s recommended to consult the manufacturer’s documentation and guidelines for detailed information on how a particular oil-free compressor works.

China Professional China Manufacture Hot Sales Oil Free Scroll Air Compressor   wholesaler China Professional China Manufacture Hot Sales Oil Free Scroll Air Compressor   wholesaler
editor by CX 2024-02-11

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