Product Description
Refrigeration Compressor Unit for Cold Storage / Cold Room
Product Parameters
- High efficiency and energy saving, COP increases by about 8%.
- Moon-tech’s patent rotor produces smooth operation, high efficiency and low noise.
- Moon-tech’s patent capacity control device realizes flexible and accurate control.
- Moon-tech’s patent design lowers the noise and vibration.
- Precisely circulation oil control
- Moon-tech’s patent high efficiency heat exchange tube
- Reliability and stability
- Refrigerant: Ammonian R717, Freon R404a, R507a, R22, R134a, etc
Refrigerant | R717 | R22 |
Discharge pressure MPa | below 1.67 | below 1.67 |
Corresponding saturated temperature °C | below 45 | below 46 |
Suction pressure MPa | -0.045-0.57 | -0.017-0.62 |
Corresponding evaporative temperature °C | -45-12.5 | -45-12.5 |
Oil pressure MPa | 0.1-0.3 higher than discharge pressure | |
Oil temperature °C | 30-65 | |
Cooling water inlet temperature °C | 15.5-33 | |
Cooling water flow deviation | ±10% |
Detailed Photos
Screw Refrigeration Compressor Unit
Screw compressor unit is widely used in food freezing and refrigeration, process cooling, gas liquefaction, building aggregate cooling, scientific research experiments, permafrost drilling, sports venues, mine heat hazard treatment and other fields that require artificial low-temperature environments. The compressor unit can be customized according to user needs, and the energy adjustment device (adjustable volume-reduction ratio, frequency conversion) is optional, and the standard configuration control mode is automatic; data can be shared in the cloud and monitored in real time.
More models
Single-Stage Screw Refrigeration Compressor Unit
Applicable Conditions
Refrigerant | R717A | R507A |
Discharge Pressure (MPa) | <=1.67 | <=1.95 |
Suction Pressure (MPa) | -0.03 ~0.586 | |
Oil Pressure (MPa) | 0.1 ~ 0.3 Higher Than Discharge Pressure | |
Oil Temperature (ºC) | 30~65 | |
Cooling Water InletTemperature (ºC) | 15~33 | |
Cooling Water Flow Deviation | +-10% |
Features.
*The compressor has a full type spectrum and the displacement range is 285 m3/h ~14. Now Moon-tech is the largest base of R&D and export for refrigeration & air-conditioning equipment in China. Since its establishment, CHINAMFG has been committed to innovate refrigeration technology and provide our customers with high quality equipment & solutions. Being a responsible enterprise, CHINAMFG always pays close attention to harmonious development between human beings and nature, and the whole design and manufacturing process of our products is guided by principle ” environmental protection, energy saving and safety”.
Our mission: Constantly create value for customers.
As a leading company in Chinese refrigeration industry, CHINAMFG has been keeping paces with the world latest technology in order to provide stable, low maintenance and high quality equipments in food processing, low temperature cold storage, petrochemical, semiconductor, chemical industry, hydroelectricity, coal industry etc.
In food cold chain field, CHINAMFG holds more than 60% domestic market share. In overseas market, more than 400 customers from 80 countries and regions have benefited from our products and after sale services.
Moon-Tech, a leading refrigeration company is your ideal partner in temperature control field!
FAQ
1.What’s your advantage?
A: Honest business with competitive price and professional service on export process.
2.How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.
3.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
4.Where are you?
Can I visit you? A: Sure,welcome to you visit our factory at any time.
5.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.
6.what kind of payment does your company support?
A: T/T, 100% L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me.
Cooling Method: | Indirect Cooling |
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Certification: | ISO |
Condition: | New |
Widely Application: | Seafood Processing / Meat Processing/ Cold Storage |
Application: | Logistics/ Ice Cream / Beverages / Food Oil & Gas |
Advanced Technology: | Over 10 Independent Intellectual Property Rights |
Samples: |
US$ 60000/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
- Oxygen
- Hydrogen
- Carbon dioxide
- Natural gas
- Refrigerant gases
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
How do you troubleshoot common air compressor problems?
Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:
1. No Power:
- Check the power source and ensure the compressor is properly plugged in.
- Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
- Verify that the compressor’s power switch or control panel is turned on.
2. Low Air Pressure:
- Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
- Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
- Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.
3. Excessive Noise or Vibration:
- Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
- Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
- Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.
4. Air Leaks:
- Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
- Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
- Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.
5. Excessive Moisture in Compressed Air:
- Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
- Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
- Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.
6. Motor Overheating:
- Ensure the compressor’s cooling system is clean and unobstructed.
- Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
- Verify that the compressor is not being operated in an excessively hot environment.
- Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
- Consider using a thermal overload protector to prevent the motor from overheating.
If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.
How do oil-lubricated and oil-free air compressors differ?
Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:
Oil-Lubricated Air Compressors:
1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.
2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.
3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.
4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.
Oil-Free Air Compressors:
1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.
2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.
3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.
4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.
When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.
editor by CX 2023-10-12
China High Efficiency and Low Noise Evaporative Air Cooler Cold Room Compressor Unit with Hot selling
Merchandise Description
High effectiveness and low noise Evaporative Air Cooler Chilly Space Compressor Unit
Solution Description
The D collection enthusiast is a kind of refrigeration gear widely utilised in a variety of refrigeration devices this sort of as rapid freezing and refreshing-keeping.Offered sorts: DD, DJ and DL series
Product | Temperature |
DL Sequence | ~+20ºC |
DD Series | -5~-18ºC |
DJ Series | -20~-25ºC |
DD collection for medium-temperature normal Air-Cooler | |||||||||
Product | DD-1.4/seven | DD-3./1.five | DD-6./thirty | DD-12./sixty | DD-twenty./a hundred | DD-28./one hundred forty | DD-37.4/200 | DD-forty six.8/250 | DD-fifty six.2/310 |
Ref.potential(kw) | 1.four | three. | six. | 12 | 20 | 28 | 37.four | forty six.eight | fifty six.2 |
Cooling spot(m2) | seven | fifteen | 30 | sixty | 100 | a hundred and forty | two hundred | 250 | 310 |
DL collection for large-temperature regular Air-Cooler | |||||||||
Design | DL-2./10 | DL3./fifteen | DL-4.1/twenty | DL-5./25 | DL-8.2/40 | DL-11.5/55 | DL-sixteen.8/80 | DL-22/a hundred and five | DL-25.8/one hundred twenty five |
Ref.potential(kw) | two. | three. | four.1 | 5. | eight.two | 11.5 | sixteen.8 | 22 | twenty five.8 |
Cooling area(m2) | one.four | 15 | 20 | twenty five | forty | fifty five | eighty | a hundred and five | one hundred twenty five |
DJ collection for reduced-temperature regular Air-Cooler | |||||||||
Model | DJ-1.5/ten | DJ-2.1/15 | DJ-3.6/twenty | DJ-4.6/thirty | DJ-7.1/forty | DJ-8.9/fifty five | DJ-eleven.6/70 | DJ-14.3/85 | DJ-17.1/one hundred |
Ref.capacity(kw) | 1.5 | two.1 | 3.six | four.six | seven.one | 8.nine | 11.6 | 14.3 | seventeen.1 |
Cooling area(m2) | 10 | fifteen | twenty | 30 | forty | fifty five | 70 | eighty five | one hundred |
Business Profile
Our amount is obvious, our provider is ready for you to take a look at!
Air Cooler In Cold Area
Connected items
Make contact with Us
Welcome to contact us
at any time
Issy Gump
HangZhou CZPT Refrigeration Tools Co.,Ltd.
Area 501-6,Xihu (West Lake) Dis. Avenue NO.8,
Xihu (West Lake) Dis. District,HangZhou,China
After-sales Service: | Field Installation, Commissioning and Training |
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Warranty: | 1 |
Type: | Evaporative Air Cooler |
Air Tube Material: | Galvanized Sheet |
Corrosion Durability: | Ultrahigh |
Operating Voltage: | 380/400 VAC |
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Samples: |
US$ 498/Set
1 Set(Min.Order) |
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Customization: |
Available
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Model | Temperature |
DL Series | 0~+20ºC |
DD Series | -5~-18ºC |
DJ Series | -20~-25ºC |
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DD series for medium-temperature standard Air-Cooler | |||||||||
Model | DD-1.4/7 | DD-3.0/1.5 | DD-6.0/30 | DD-12.0/60 | DD-20.0/100 | DD-28.0/140 | DD-37.4/200 | DD-46.8/250 | DD-56.2/310 |
Ref.capacity(kw) | 1.4 | 3.0 | 6.0 | 12 | 20 | 28 | 37.4 | 46.8 | 56.2 |
Cooling area(m2) | 7 | 15 | 30 | 60 | 100 | 140 | 200 | 250 | 310 |
DL series for high-temperature standard Air-Cooler | |||||||||
Model | DL-2.0/10 | DL3.0/15 | DL-4.1/20 | DL-5.0/25 | DL-8.2/40 | DL-11.5/55 | DL-16.8/80 | DL-22/105 | DL-25.8/125 |
Ref.capacity(kw) | 2.0 | 3.0 | 4.1 | 5.0 | 8.2 | 11.5 | 16.8 | 22 | 25.8 |
Cooling area(m2) | 1.4 | 15 | 20 | 25 | 40 | 55 | 80 | 105 | 125 |
DJ series for low-temperature standard Air-Cooler | |||||||||
Model | DJ-1.5/10 | DJ-2.1/15 | DJ-3.6/20 | DJ-4.6/30 | DJ-7.1/40 | DJ-8.9/55 | DJ-11.6/70 | DJ-14.3/85 | DJ-17.1/100 |
Ref.capacity(kw) | 1.5 | 2.1 | 3.6 | 4.6 | 7.1 | 8.9 | 11.6 | 14.3 | 17.1 |
Cooling area(m2) | 10 | 15 | 20 | 30 | 40 | 55 | 70 | 85 | 100 |
After-sales Service: | Field Installation, Commissioning and Training |
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Warranty: | 1 |
Type: | Evaporative Air Cooler |
Air Tube Material: | Galvanized Sheet |
Corrosion Durability: | Ultrahigh |
Operating Voltage: | 380/400 VAC |
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Samples: |
US$ 498/Set
1 Set(Min.Order) |
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Customization: |
Available
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Model | Temperature |
DL Series | 0~+20ºC |
DD Series | -5~-18ºC |
DJ Series | -20~-25ºC |
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DD series for medium-temperature standard Air-Cooler | |||||||||
Model | DD-1.4/7 | DD-3.0/1.5 | DD-6.0/30 | DD-12.0/60 | DD-20.0/100 | DD-28.0/140 | DD-37.4/200 | DD-46.8/250 | DD-56.2/310 |
Ref.capacity(kw) | 1.4 | 3.0 | 6.0 | 12 | 20 | 28 | 37.4 | 46.8 | 56.2 |
Cooling area(m2) | 7 | 15 | 30 | 60 | 100 | 140 | 200 | 250 | 310 |
DL series for high-temperature standard Air-Cooler | |||||||||
Model | DL-2.0/10 | DL3.0/15 | DL-4.1/20 | DL-5.0/25 | DL-8.2/40 | DL-11.5/55 | DL-16.8/80 | DL-22/105 | DL-25.8/125 |
Ref.capacity(kw) | 2.0 | 3.0 | 4.1 | 5.0 | 8.2 | 11.5 | 16.8 | 22 | 25.8 |
Cooling area(m2) | 1.4 | 15 | 20 | 25 | 40 | 55 | 80 | 105 | 125 |
DJ series for low-temperature standard Air-Cooler | |||||||||
Model | DJ-1.5/10 | DJ-2.1/15 | DJ-3.6/20 | DJ-4.6/30 | DJ-7.1/40 | DJ-8.9/55 | DJ-11.6/70 | DJ-14.3/85 | DJ-17.1/100 |
Ref.capacity(kw) | 1.5 | 2.1 | 3.6 | 4.6 | 7.1 | 8.9 | 11.6 | 14.3 | 17.1 |
Cooling area(m2) | 10 | 15 | 20 | 30 | 40 | 55 | 70 | 85 | 100 |
Types of Air Compressors
There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
Air Compressors
Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
Single-stage models
When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.
Low-noise models
Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
Oil-free models
A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.
editor by czh 2022-12-06