Tag Archives: cold compressor

China Professional Cold Room Used Mini Small Oil Less Oil Free Piston Portable Air Compressor with Best Sales

Product Description

Advantages for our condensing unit 
1. The accessories for the unit include liquid receiver, pressure gage, pressure controller, sight glass, filter junction box, etc.

 

2. The copper tube of air cooled Condensing units get through the 2.6Mpa pressure test, meet the request of normal work. 
             
3.Every part of units is best in corrosion protection.

 

4. Air cooled condensing unit refrigerating capacity ranks from 0.2KW to 29KW. evaporating temperature:-45ºC-+15°C, run steady under the ambient temperature +43ºC.
 

5. Proper structure, accurate and reliable operating system for the air cooled condensing unit. 6. Use the high efficiency and large air volume axial fan, with low noise and energy saving.

ApplicationHotels, hospitals, blood banks, poultry slaughter and processing, CHINAMFG and processing, mushroom cultivation, 
agricultural product processing, dairy production, pharmaceutical processing and logistics, beverage production and processing, 
beer production and cooling, large-scale logistics storage, chemical product cooling, leather manufacturing, injection molding, 
machine cooling, steel cooling, ommunication equipment, ship manufacturing and more.

Suitable Temperature for Various Products
Temperature Condensing Unit Type Suitable Products
-5°C ~ +5°C Single stage piston/scroll/
screw compressor condensing unit
Vegetables, Fruit, Drink,
Beer, Medicines, Vaccine…
-15°C ~ -25°C Single stage piston/scroll/
screw compressor condensing unit
Meat, Fish, Medicines,
Seafoods, Ice Cream…
-30°C ~ -40°C 2-stage piston/screw 
compressor condensing unit
Meat, Fish, Blood…
-45°C ~ -70°C Cascade condensing unit Tuna, Vaccine…

Product Specifications

1 Product name Stainless Steel Brazed Plate Heat Exchanger
2 Refrigerant R22,R407etc.
3 Voltage AC220v/380v/customized ,50Hz/60Hz
4 cold room temperature -25~45ºC
5 Range of evaporating temperature -30~50ºC
6 Warranty 1 Year
7 Composition Compressor, crankcase heater, oil pressure safety switch, air-cooled condenser, receiving tank, drier-filter, meter panel,
pressure controller, refrigeration oil, protection gas, double stage compressor with intermediate cooler

1. Why do we insist original new compressor?
Only original brand new compressor can have the best quality & high efficiency. So you save money on electric bill and maintenance cost.

2. Why same HP compressors have big price difference?
Even same horse power compressor condensing unit, the compressor have different designs, so the cooling capacities are different. Also their condensers are different. So cooling capacity bigger, price higher.

3. Can refrigeration units be customized?
Yes. We have experienced technicians and professional team can help customization. But we have many models for you to choose, better choose them because the delivery time is much shorter.

4. How many kinds of compressors?
Semi-hermetic(ECOLINE series),Two stages semi-hermetic, Semi-hermetic screw compressor, Hermetic screw compressor.
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After-sales Service: 1 Year
Warranty: 3-5 Year
Principle: Mixed-Flow Compressor
Samples:
US$ 200/Piece
1 Piece(Min.Order)

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Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?

Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:

Water Quality:

  • Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
  • Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.

Water Treatment Methods:

  • Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
  • Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
  • Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
  • Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.

Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.

Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.

air compressor

How Are Water-Lubricated Air Compressors Used in Automotive Applications?

Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:

Tire Inflation:

  • Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
  • Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.

Painting and Finishing:

  • Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
  • Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.

Brake and Suspension Systems:

  • Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
  • Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.

Diagnostic and Testing Equipment:

  • Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
  • Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.

Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.

air compressor

What Maintenance Is Required for Water-Lubricated Air Compressors?

Maintaining water-lubricated air compressors involves several key maintenance tasks to ensure their optimal performance and longevity. Here are the maintenance requirements typically associated with water-lubricated air compressors:

  1. Regular water quality checks: It is essential to monitor the quality of the water used for lubrication in the compressor. Regular water analysis helps identify any potential contaminants, such as minerals or impurities, that may affect compressor performance or lead to corrosion. If necessary, appropriate water treatment measures should be taken to maintain the desired water quality.
  2. Drain and flush water systems: Periodically draining and flushing the water systems of the compressor helps remove any sediment, debris, or accumulated contaminants. This prevents blockages, maintains water flow, and ensures the cleanliness of the system.
  3. Inspect and clean filters: Filters in the water system, such as intake filters or water separation filters, should be inspected regularly and cleaned or replaced as needed. Clean filters help maintain proper water flow, prevent clogging, and protect internal components from damage or corrosion.
  4. Check for leaks: Regularly inspect the compressor system for any signs of water leaks. Leaks can lead to water loss, reduced lubrication performance, and potential damage to the compressor components. Any identified leaks should be promptly repaired to maintain the integrity of the system.
  5. Monitor and maintain proper water levels: Ensure that the water levels in the compressor are maintained within the recommended range. Low water levels can result in inadequate lubrication and increased friction, while high water levels may lead to excessive moisture in the system. Regularly check and adjust the water levels as necessary.
  6. Inspect and maintain cooling systems: Water-lubricated compressors often utilize water for cooling purposes. Inspect and maintain the cooling systems, such as heat exchangers or radiators, to ensure proper heat dissipation. Clean any accumulated debris or deposits that may impede cooling efficiency.
  7. Follow manufacturer guidelines: It is crucial to follow the manufacturer’s maintenance guidelines and recommendations specific to the water-lubricated air compressor model being used. These guidelines may include additional maintenance tasks or intervals that are necessary for optimal performance and warranty compliance.

Regular and proactive maintenance of water-lubricated air compressors helps ensure their reliable operation, extends their lifespan, and minimizes the risk of performance issues or component failures. It is advisable to consult the compressor’s documentation and seek guidance from the manufacturer or a qualified technician to establish a comprehensive maintenance routine specific to the equipment.

China Professional Cold Room Used Mini Small Oil Less Oil Free Piston Portable Air Compressor   with Best SalesChina Professional Cold Room Used Mini Small Oil Less Oil Free Piston Portable Air Compressor   with Best Sales
editor by CX 2024-04-02

China OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC with Good quality

Product Description

Feature:
The compressors applied in the air conditioning industry in diverse applications including split systems, rooftops, packaged units and chillers, scroll compressors are now the most used compression technology replacing reciprocating and screw compressors due to its undeniable superiority. Several, fully Copeland qualified, multiple compressor assemblies (tandem and trio) are available to be used in large capacity systems to deliver optimal comfort, low operating cost with higher seasonal efficiency.
Features and Benefits:
• CHINAMFG Scroll axial and radial compliance for superior reliability and efficiency
• Wide scroll line-up • Low oil circulation rate • Superior liquid handling capability
• Low sound and vibration level • Low Total Equivalent Warming Impact
• Copeland qualified tandem and trio configurations for superior seasonal efficiency

R22/R404A
Typical Model Motor TFD Norminal power (Hp) Displ
(m3/h)
Curient Capacitor
(Single Phase
Select)
Connection tube (inch) Oil charge    (L)
(RLA)     TFD (A)         PFJ Discharge Suction
ZB15KQ/ZB15KQE PFJ/TFD 2 5.9 4.3 11.4 40uF/370V 1/2 3/4 1.18
ZB19KQ/ZB19KQE PFJ/TFD 2.5 6.8 4.3 12.9 45uF/370V 1/2 3/4 1.45
ZB21KQ/ZB21KQE PFJ/TFD 3 8.6 5.7 16.4 50uF/370V 1/2 3/4 1.45
ZB26KQ/ZB26KQE PFJ/TFD 3.5 9.9 7.1 18.9 60uF/370V 1/2 3/4 1.45
ZB29KQ/ZB29KQE TFD 4 11.4 7.9 19.3 60pF/370V 1/2 7/8 1.36
ZB38KQ/ZB38KQE TFD 5 14.5 8.9 1/2 7/8 1.89
ZB45KQ/ZB45KQE TFD 6 17.2 11.5 1/2 7/8 1.89
ZB48KQ/ZB48KQE TFD 7 18.8 12.1 3/4 7/8 1.8
ZB58KQ/ZB58KQE TFD 8 22.1 16.4 7/8 11/8 2.51
ZB66KQ/ZB66KQE TFD 9 25.7 17.3 7/8 13/8 3.25
ZB76KQ/ZB76KQE TFD 10 28.8 19.2 7/8 13/8 3.25
ZB88KQ/ZB88KQE TFD 12 33.2 22.1 7/8 13/8 3.25
ZB95KQ/ZB95KQE TFD 13 36.4 22.1 7/8 13/8 3.3
ZB114KQ/ZB114KQE TFD 15 43.4 27.1 7/8 13/8 3.3

 

After-sales Service: 1 Year
Warranty: 12month
Lubrication Style: Lubricated
Customization:
Available

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about shipping cost and estimated delivery time.
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Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What are the advantages of using an air compressor in construction?

Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:

  • Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
  • Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
  • Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
  • Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
  • Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
  • Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
  • Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.

It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.

In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC   with Good qualityChina OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC   with Good quality
editor by CX 2023-11-20