Product Description
Ā
Product Description
2.2kw 3HP Oil-Free Scroll Air Compressor Parts Air EndĀ RK-JP2.2A-8
Product Parameters
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Model: RK-JP2.2A-8
Capacity: 0.25 m3/min Ā 250L/min
WorkingĀ pressure: 8Ā bar
RatedĀ power:Ā 2.2kw
Voltage:380v/50hz/3ph
Oil free: Class 0
Cooling: by air
Noise db(A):69Ā±3
Dimension:Ā 360*351*290mm
Weight:Ā 14.5kg
Exhaust temperature (Ā°C):ā¤150
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| Model | Power (kw) | Flow rate (L/min) | Maximum pressure mpa | noise db(A) | Exhaust temperature (Ā°C) | Dimensions (mm) |
Weight(kg) |
| RK-JP2.2A-8 | 2.2 | 250 | 0.8 | 69Ā±3 | ā¤150 | 360*351*290 | 14.5 |
| RK-JP3.7B-8 | 3.7 | 422 | 0.8 | 70Ā±3 | ā¤165 | 362*345*290 | 20 |
| RK-JP5.5B-8 | 5.5 | 627 | 0.8 | 72Ā±3 | ā¤180 | 420*417*353 | 24.5 |
Advantages
100% oil-free.Ā
Can be used in any industry, especially suitable for users with high oil content requirements for compressed air.
Quiet operation.Ā
The operation noise of the scroll air compressor is extremely low, and the working environment is healthier.
Convenient installation.Ā
lt occupies a small area and can be installed near the gas point, thereby reducing the installation ofcompressed air pipe network and effectively reducing the cost of pipe network installation.
Simple maintenance.Ā
No need to replace or add lubricatina ol. only a small amount of consumables need to be replacedregularly, and the maintenance cost is low.
Zero pollution.
Only discharge of condensate water, no other harful substances, in lne with the requirements of sustainabledevelopment.
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Application industry
Successful cases
Company Profile
Certifications
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| After-sales Service: | Online Support |
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| Warranty: | 24month |
| 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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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.
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How Do Oil-Free Scroll Compressors Contribute to Clean Compressed Air?
Oil-free scroll compressors play a significant role in delivering clean compressed air in various applications. Here’s a detailed explanation:
Oil-Free Operation:
One of the primary ways oil-free scroll compressors contribute to clean compressed air is through their oil-free operation. Unlike oil-injected compressors, which use lubricating oil in the compression process, oil-free scroll compressors do not introduce any oil into the compressed air stream. This eliminates the risk of oil contamination in the air supply, ensuring that the compressed air remains clean and free from oil particles.
Pure Air Quality:
Oil-free scroll compressors are designed to provide high-quality, pure compressed air. The compression process in a scroll compressor involves the intermeshing of scroll elements, which creates a smooth and continuous compression without the need for lubricating oil. This results in compressed air that is free from oil aerosols, vapors, and contaminants that may be present in oil-injected compressors. The absence of oil in the compressed air stream makes oil-free scroll compressors ideal for applications that require clean and contaminant-free air, such as in food and beverage processing, pharmaceutical manufacturing, electronics, and critical instrumentation.
Oil Filtration Systems:
While oil-free scroll compressors do not use oil in the compression process, they may still incorporate filtration systems to ensure the purity of the compressed air. These filtration systems typically include air intake filters and sometimes additional filters to remove particulate matter, water vapor, and other contaminants from the ambient air before it enters the compression chamber. By effectively filtering the incoming air, oil-free scroll compressors help maintain clean and high-quality compressed air output.
Minimal Maintenance Requirements:
Oil-free scroll compressors generally have minimal maintenance requirements compared to oil-injected compressors. Since there is no oil to monitor, change, or dispose of, the maintenance tasks associated with oil-free scroll compressors are simplified. This can contribute to cleaner air by reducing the risk of oil spills or leaks that may occur during maintenance activities.
Environmental Friendliness:
The use of oil-free scroll compressors can contribute to environmental friendliness. By eliminating the need for lubricating oil, these compressors reduce the risk of oil contamination entering the compressed air system and potentially polluting the environment. Additionally, the absence of oil in the compressed air stream can benefit downstream equipment and processes, preventing potential damage or contamination that may occur with oil-laden air.
It’s important to note that while oil-free scroll compressors provide clean compressed air, the overall air quality is also influenced by other factors such as the ambient air conditions, filtration systems, and proper maintenance practices. Regular inspection, maintenance, and adherence to manufacturer’s guidelines are essential to ensure the continued delivery of clean compressed air.
In summary, oil-free scroll compressors contribute to clean compressed air through their oil-free operation, providing high-quality and oil-free compressed air. They may incorporate filtration systems to further enhance air purity and have minimal maintenance requirements. The use of oil-free scroll compressors promotes environmental friendliness and ensures contaminant-free air for various applications.
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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 2024-01-11