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 Ć v
The test of the oil-free scroll air compressor shows that t Ć 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:Ā High machining accuracy, up to Ī¼ 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:
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1) MOQ
MOQ is 200pcs for customization. Stock mold can be lower quantity as your request.Ā
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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
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Company Information
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HangZhou CHINAMFG industrial Co., Ltd is a professional vehicle HVAC/Compressor supplier in ZheJiang Province, China.Ā Weā²re specializes in transport 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, etc.
We also provide customers with vehicle air conditioning system solutions and products, such as a 12 / 24 VDC truck cab 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 your visit. Looking CHINAMFG to working with you!
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| After-sales Service: | 3 Years |
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| Warranty: | 3 Years |
| Classification: | Variable Capacity |
| Job Classification: | Rotary Type |
| Transmission Power: | Dynamoelectric |
| Cooling Method: | Air-cooled |
| Customization: |
Available
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Are There Specific Filtration Requirements for Oil-Free Scroll Compressors?
Yes, there are specific filtration requirements for oil-free scroll compressors to ensure the maintenance of air quality. Here’s a detailed explanation:
Intake Air Filtration:
Oil-free scroll compressors require effective intake air filtration to prevent the entry of particulates and contaminants into the compressor system. The intake air filters should have a high filtration efficiency and be capable of capturing particles of various sizes. These filters are typically installed at the compressor’s intake or inlet, where they remove dust, dirt, pollen, and other airborne impurities from the incoming air. The use of high-quality intake air filters helps protect the compressor’s internal components and ensures that the compressed air remains clean and free from contaminants.
Coalescing Filters:
In addition to intake air filters, oil-free scroll compressor systems may incorporate coalescing filters for enhanced air quality. Coalescing filters are designed to remove oil aerosols and fine moisture droplets from the compressed air. These filters utilize specialized media that coalesce the oil and water particles into larger droplets, which are then separated and drained from the compressed air. Coalescing filters are particularly important in applications where the presence of oil or moisture can negatively impact downstream processes or equipment.
Particulate Filters:
Particulate filters, also known as dust filters or general-purpose filters, are used in oil-free scroll compressor systems to remove solid particles from the compressed air. These filters are designed to capture particles of various sizes and can effectively remove dust, dirt, rust, and other solid contaminants. Particulate filters are typically installed downstream of the compressor to ensure that the compressed air remains free from any remaining particles that may have bypassed the intake air filtration stage.
Activated Carbon Filters:
Activated carbon filters, or adsorption filters, are used in oil-free scroll compressor systems to remove odors and certain types of gases. These filters contain activated carbon media that adsorb and trap gas molecules onto their porous surfaces. Activated carbon filters are effective in removing odors, hydrocarbons, volatile organic compounds (VOCs), and other specific gases that may be present in the compressed air. They are commonly used in applications where odor control or gas removal is essential, such as in the food and beverage industry or laboratories.
Filter Maintenance and Replacement:
Proper maintenance and regular replacement of the filtration components are essential to ensure their optimal performance and prevent any degradation in air quality. The maintenance intervals and replacement schedules for filters may vary depending on factors such as operating conditions, air quality requirements, and the specific recommendations of the filter manufacturer. Regular inspections, cleaning or replacement of filters, and adherence to maintenance schedules are necessary to maintain the required filtration efficiency and prevent any potential contamination of the compressed air.
It is important to consult the compressor manufacturer’s guidelines and recommendations regarding the specific filtration requirements for their oil-free scroll compressor models. They can provide detailed information on the types of filters to be used, their location within the compressor system, recommended maintenance procedures, and replacement intervals. Adhering to these requirements ensures that the filtration system effectively removes contaminants and maintains the desired air quality in oil-free scroll compressor systems.
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Can Oil-Free Scroll Compressors Handle High-Pressure Applications?
Oil-free scroll compressors are primarily designed for medium to low-pressure applications. Here’s a detailed explanation:
Operating Pressure Range:
Oil-free scroll compressors are generally suitable for applications that require operating pressures up to a certain limit. The exact pressure range can vary depending on the specific model and manufacturer, but most oil-free scroll compressors are designed for pressures typically ranging from 7 to 15 bar (100 to 220 psi). Some specialized models may be capable of higher pressures, but they are less common.
Scroll Compressor Design:
The design of oil-free scroll compressors is optimized for efficient operation at medium to low pressures. The scroll compressor consists of two interleaved spiral scrollsāone fixed and one orbitingāthat create compression chambers. As the orbiting scroll moves, it traps and compresses the air between the scrolls, resulting in compressed air being discharged. The design and geometry of the scrolls are typically optimized for specific pressure ranges, and they may not be suitable for extremely high-pressure applications.
Limited Compression Ratios:
Oil-free scroll compressors have limitations in terms of compression ratios, which affect their ability to handle high pressures. The compression ratio is the ratio of the discharge pressure to the suction pressure. As the compression ratio increases, so does the temperature of the compressed air. Oil-free scroll compressors are not designed to handle very high compression ratios, as they can lead to excessive temperatures, increased wear on components, and reduced efficiency.
Adequate Cooling:
High-pressure applications often require effective cooling to manage the heat generated during compression. Oil-free scroll compressors may have limitations in terms of cooling capacity, which can affect their ability to handle high-pressure operation. In applications with high-pressure requirements, additional cooling measures may be necessary to maintain optimal operating temperatures and prevent overheating of the compressor.
Alternative Compressor Types:
For high-pressure applications, alternative compressor types such as reciprocating compressors, rotary screw compressors, or centrifugal compressors are more commonly used. These compressor types are specifically designed to handle higher pressures and provide better efficiency and performance in such applications.
It’s important to consult the manufacturer’s specifications and guidelines to determine the maximum operating pressure for a specific oil-free scroll compressor model. Exceeding the recommended pressure limits can lead to premature wear, reduced efficiency, and potential compressor failure.
In summary, oil-free scroll compressors are generally not designed to handle high-pressure applications. They are more suitable for medium to low-pressure applications within their specified operating pressure range. For high-pressure requirements, alternative compressor types should be considered.
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 scrollsāa 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:
- The orbiting scroll moves in a circular motion, causing the spiral profiles of the fixed and orbiting scrolls to interlock.
- 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.
- As the air gets compressed, it moves towards the center of the scrolls, eventually reaching the center of the fixed scroll.
- 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.
editor by CX 2023-10-04