Product Description

Specifications

Characteristics of oil-free scroll air compressorĀ 
100% oil-free
The compression chamber of the oil-free scroll air compressor is completely separated from the bearing chamber, eliminating oily air at the source of structural design, and there is no need to add lubricating oil during use, and there is no oil stain and condensate discharge during operation. It is a real zero discharge and more environmentally friendly and economical.
Our oil-free scroll air compressor provides high-quality 100% oil-free compressed air, which is certified by German Rhine certification agency t Ü v
The test of the oil-free scroll air compressor shows that t Ü V proves that the air quality of our oil-free air compressor meets the iso8573-1 standard, which is the highest standard of air quality.

Low vibration
Rotation: the vibration of circular rotation is much lower than that of reciprocating motion.
Balance: during rotation, the high-pressure area is around the axis, evenly distributed without eccentricity, and the balance is excellent.
Start and stop: small operating torque and superior start and stop.

Low noise
No intake valve: there is no need to worry about the closing sound of the one-way valve and the unique “bang, bang…” piston air compressor Sound.
Low rotating speed: the rotating speed is only 3000rpm, the screw machine is 20000rpm, and there is no high-frequency buzzer on the screw machine.
No oil: there is no liquid percussion sound a lubricating oil pipeline.
Small airflow fluctuation: suction and exhaust are continuous and stable, more than 6000 times per minute, making the airflow pulsation very small.

High efficiency:Ā Suction and exhaust are continuous and stable, more than 6000 times per minute, making the airflow pulsation very small.
Compared with other structural air compressors, the scroll air compressor belongs to positive displacement continuous exhaust and has no clearance volume, so the volumetric efficiency of the scroll air compressor is more than 98%; Flexible sealing technology and gas floating seal are adopted to automatically compensate the slow wear of materials, improve the sealing performance of products and reduce leakage loss.

high reliability: High machining accuracy, up to μ M level, after precision machining, the surface of the vortex host is treated with a special coating to ensure its lasting use in various environments and more stability and reliability.
After T6 heat treatment and semi-solid die casting, the product has high mechanical strength and elongation, CHINAMFG the technical level of the aviation industry. It is equipped with a large-capacity multi-plate cooling fan and an aftercooler for cooling to ensure the effective cooling of the host and stable operation even if the ambient temperature is high.

Maintenance-free
Reduce the number of components to the maximum limit, and there is no need to configure the necessary suction and exhaust valves, piston rings, and other vulnerable parts of the piston air compressor. Compared with other types of air compressors, there is no need to configure the necessary suction valves, temperature control valves, minimum pressure valves, and other valve components of the screw air compressor, which greatly reduces the possibility of machine maintenance.

RFQ:
Ā 
1) MOQ
MOQ is 200pcs for customization. Stock mold can be lower quantity as your request.Ā 
Ā 
2). Item of payment
Ā a. T/T:40% deposit, 60% balance after passing QC inspected before shipping.
Ā b. PaypalĀ 
Ā c. Western Union
3). Samples?Ā 
If we have a stock sample, we’d like to send it to you immediately, If you need to make your own style, it will cause the sample charge, We will refundable the sample charge to you if your order quantity is up to 3000pcs.
4).sample time?Ā 
Depending on your request, as usual, It will take about 6-7 workdays to make the new sample as your needĀ 
5). Mass product time?Ā 
It takes about 23 days for 1000pcs.Ā 
6).freight charge for mass products?Ā 
It will base on your request, saying: small order, we’d like to advise you shipping by express will be favorable, You can choose by sea or Air, the freight charge will be based on the date when you place an order.
Our Services
Ā 1. QC workers will inspect each process 100%, Guarantee the quality.
2. After-sales service available.
3. OEM & ODM designer team available.
4. ProfessionalĀ knowledge of famous brand items.
5. Professional sales team, All of your emails will be replied with 12 hours
Ā 
Company Information
Ā 
We′re specializes in scroll compressors such as electric vehicle air-conditioner scroll compressor, 12/24VDC electric compressor for truck additional air conditioner, compact horizontal hermetic scroll compressor for E-bus, subway, oil-free scroll air compressors, etc.
We also provide customers with vehicle air conditioning system solutions and products, such as a 12 / 24 VDC truck cab with no idle air conditioning system, locomotive cab air conditioning system, RV air conditioning system, oil-free scroll air compressors, etc.
Our technical team has gained a good reputation in the field of electric vehicles, electric buses, and rail transit. Our products have surpassed their counterparts from the US and Japan in some special parameters, High efficiency, reliability, and compactness.
Our products are suitable for many different refrigerants, including R134A, R407C, R410A, ETC. Our annual output is 500, 000 PCS of EV-use semi-hermetic scroll compressors, 50, 000 PCS of hermetic horizontal inverter compressors.20000PCS of cab air conditioning.
We not only supply products but also provide comprehensive application guidance and technical support for our clients.
Our compressor driver is provided by our group company, which has many years of experience in automotive air conditioning control systems and mobile cold chain control systems. This is an advantage that other compressor companies do not have. The group has a number of R & D service institutions in Europe Company.
The business concept is Quality, Innovation, High-Efficiency, and Credit. Warmest welcome to your visit. Looking CHINAMFG to working with you!

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After-sales Service: 3 Years
Warranty: 3 Years
Classification: Variable Capacity
Job Classification: Rotary Type
Transmission Power: Dynamoelectric
Cooling Method: Air-cooled
Customization:
Available

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air compressor

What Is the Role of Air Dryers in Oil-Free Scroll Compressor Systems?

Air dryers play a crucial role in oil-free scroll compressor systems by removing moisture from the compressed air. Here’s a detailed explanation:

Moisture Control:

One of the primary functions of air dryers in oil-free scroll compressor systems is to control and remove moisture from the compressed air. Air naturally contains moisture in the form of water vapor, and when air is compressed, its capacity to hold moisture increases. If this moisture-laden compressed air is not adequately treated, it can cause various issues such as corrosion, equipment damage, decreased efficiency, and compromised product quality. Air dryers ensure that the moisture content in the compressed air is reduced to acceptable levels, preventing these problems.

Dew Point Control:

Air dryers help control the dew point of the compressed air. The dew point is the temperature at which the moisture in the air begins to condense into liquid water. By lowering the dew point, air dryers ensure that the compressed air remains dry, reducing the risk of condensation in downstream equipment and processes. This is particularly important in applications where dry air is critical, such as in electronics manufacturing, pneumatic control systems, and certain industrial processes.

Types of Air Dryers:

There are different types of air dryers used in oil-free scroll compressor systems, each with its own principles of operation and suitability for specific applications:

– Refrigerated Dryers: Refrigerated dryers use a cooling process to condense and remove moisture from the compressed air. The compressed air is cooled to lower temperatures, causing the moisture to condense into liquid form, which is then separated and drained. Refrigerated dryers are cost-effective and widely used in various applications where a moderate level of dryness is required.

– Desiccant Dryers: Desiccant dryers use a desiccant material, such as silica gel or activated alumina, to adsorb moisture from the compressed air. The desiccant material attracts and traps the moisture molecules, allowing for extremely low dew points to be achieved. Desiccant dryers are commonly used in applications where extremely dry air is necessary, such as in laboratories, pharmaceutical manufacturing, and critical industrial processes.

– Membrane Dryers: Membrane dryers employ a selectively permeable membrane to separate moisture from the compressed air. The membrane allows water vapor to pass through while blocking other gases and contaminants. Membrane dryers are compact, energy-efficient, and suitable for applications where a lower dew point is required, but not as low as what can be achieved with desiccant dryers.

Benefits of Air Dryers:

The use of air dryers in oil-free scroll compressor systems offers several benefits:

– Protection of Equipment: Air dryers help prevent moisture-related damage to downstream equipment such as pneumatic tools, valves, control systems, and instruments. By removing moisture from the compressed air, air dryers minimize the risk of corrosion, malfunctions, and premature wear and tear.

– Enhanced Product Quality: In applications where compressed air comes into contact with products or processes, such as in food and beverage production or pharmaceutical manufacturing, air dryers ensure that the compressed air is free from moisture that could compromise product quality, integrity, and stability.

– Energy Efficiency: Dry compressed air requires less energy to operate pneumatic equipment and processes, as moisture-free air reduces friction and pressure drops. Air dryers contribute to overall energy efficiency in oil-free scroll compressor systems by delivering dry air that optimizes the performance of downstream equipment.

– Extended Equipment Lifespan: By controlling moisture and preventing corrosion and damage, air dryers help extend the lifespan of the compressor and other equipment in the system. This reduces maintenance costs and downtime, contributing to overall system reliability and longevity.

In summary, air dryers are essential components in oil-free scroll compressor systems, working to remove moisture and control the dew point of the compressed air. They contribute to improved equipment performance, enhanced product quality, energy efficiency, and prolonged equipment lifespan.

air compressor

What Is the Impact of Oil-Free Technology on Compressor Noise Levels?

The use of oil-free technology in compressors can have a positive impact on reducing compressor noise levels. Here’s a detailed explanation:

Noise Reduction Benefits:

Oil-free technology in compressors, such as oil-free scroll compressors, is designed to operate without the need for lubricating oil. This eliminates the presence of moving parts submerged in oil, which can contribute to noise generation. As a result, oil-free compressors tend to produce lower noise levels compared to oil-injected compressors.

Scroll Compressor Design:

Oil-free scroll compressors utilize a specific design that helps reduce noise levels. The scroll compressor consists of two intermeshing spiral scrolls—one fixed and one orbiting—that compress the air. The design and construction of the scrolls, along with the absence of lubricating oil, contribute to smoother and quieter operation. The interlocking scrolls create compression pockets that minimize pulsation and vibration, resulting in reduced noise emissions.

Noisy Components Elimination:

Oil-injected compressors often have noisy components associated with the lubrication system, such as oil pumps and oil separators. In oil-free compressors, these components are eliminated since there is no need for oil lubrication. The absence of these components contributes to lower noise levels and a quieter operation of oil-free compressors.

Sound Insulation:

Manufacturers of oil-free compressors often incorporate sound insulation measures in the design of their products. This can include the use of sound-dampening materials and enclosures to reduce noise transmission. These insulation measures help further mitigate noise levels and create a quieter operating environment.

However, it’s important to note that while oil-free technology can contribute to reducing compressor noise levels, the overall noise output is also influenced by other factors such as compressor size, operating conditions, and the presence of additional noise reduction features. It’s recommended to consult the manufacturer’s specifications and guidelines to determine the expected noise levels of a specific oil-free compressor model.

In summary, the use of oil-free technology in compressors, such as oil-free scroll compressors, can have a positive impact on reducing compressor noise levels. The absence of lubricating oil, specialized scroll compressor design, elimination of noisy components, and incorporation of sound insulation measures contribute to quieter operation. However, it’s important to consider other factors that can influence noise levels and consult manufacturer specifications for accurate noise level information.

air compressor

How Does an Oil-Free Scroll Compressor Work?

An oil-free scroll compressor operates based on a unique scroll mechanism that allows for efficient compression of air without the need for lubricating oil. Here’s a detailed explanation:

Scroll Mechanism:

The key component of an oil-free scroll compressor is the scroll mechanism, which consists of two interlocking scrolls—a fixed scroll and an orbiting scroll.

  • Fixed Scroll: The fixed scroll is stationary and typically mounted inside the compressor housing. It has a spiral-shaped profile with a raised wrap that forms multiple chambers.
  • Orbiting Scroll: The orbiting scroll is positioned eccentrically to the fixed scroll and is connected to a crankshaft. It moves in a circular motion, orbiting around the fixed scroll. The orbiting scroll also has a spiral-shaped profile, but with a depressed wrap.

Compression Process:

When the compressor is in operation, the following steps occur during each revolution:

  1. The orbiting scroll moves in a circular motion, causing the spiral profiles of the fixed and orbiting scrolls to interlock.
  2. As the orbiting scroll moves, the chambers formed by the scrolls decrease in size, leading to the compression of the air trapped within the chambers.
  3. As the air gets compressed, it moves towards the center of the scrolls, eventually reaching the center of the fixed scroll.
  4. At the center of the fixed scroll, there is a discharge port where the compressed air is expelled from the compressor.

Sealing Mechanism:

The scroll mechanism in an oil-free scroll compressor relies on a unique sealing mechanism to maintain the compression process and prevent air leakage:

  • Tip Seal: At the outer edges of the scrolls, there is a tip seal that ensures a continuous seal between the fixed and orbiting scrolls. This seal prevents air from escaping between the scrolls during compression.
  • Axial Compliance: The orbiting scroll is designed with axial compliance, which allows it to adapt to the changing volume of the compression chambers as it orbits around the fixed scroll. This compliance helps maintain the sealing integrity and ensures efficient compression.

Advantages of Oil-Free Scroll Compressors:

  • Oil-Free Operation: Oil-free scroll compressors eliminate the need for lubricating oil, resulting in clean, oil-free compressed air suitable for applications that require high air quality standards.
  • High Efficiency: The continuous compression process of the scroll mechanism improves efficiency and reduces energy consumption compared to other compressor types.
  • Quiet Operation: Oil-free scroll compressors are known for their quiet operation due to the absence of reciprocating parts and reduced vibrations.
  • Reliability and Low Maintenance: The scroll mechanism operates with minimal wear and tear, leading to reliable performance and reduced maintenance requirements.

In summary, an oil-free scroll compressor uses a scroll mechanism consisting of interlocking scrolls to compress air. The unique design allows for efficient and oil-free compression, resulting in clean, reliable, and quiet operation, making oil-free scroll compressors suitable for various applications.

China OEM 22kw 30HP Oil-Free Scroll Air Compressor System Unit   small air compressor China OEM 22kw 30HP Oil-Free Scroll Air Compressor System Unit   small air compressor
editor by CX 2024-01-15

Oil-free scroll air compressor

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