China Hot selling High Quality Air End CHINAMFG 15kw 20HP Two Stage Screw Air Compressor with Hot selling

Product Description

ZheJiang Compressor Import & Export Co.,Ltd. is located in the logistics capital of China, 1 of the important
birthplaces of Chinese civilization-HangZhou, ZheJiang Province.
With professinal manufacturing experience and first -class comprehensive scientific and technological strength of the talent team, as the energy-saving compressor system leader and remowed in the industry.
We specializes in R & D and sales of power frequency ,permanent magnet frequency conversion ,two -stage compressor permanent magnet frequency conversion ,low -voltage and mobile screw air compressor . With a deep industry background , one step ahead ambition .
With the professional enthusiasm for screw air compressor , team innovation , to meat the challenges of enterprise’s
own determination and the rigorous attitude of excellence,products are strictly in accordance with IOS 9001 international quality procedures,to provide customers with energy -saving and reliable products .
We warmly welcomes people from all around the world to visit the company to guide the establishment of a wide range of business contacts and cooperation .
Choosing ZheJiang Compressor Import & Export Co.,Ltd.is to choose quality and service ,choose culture and taste ,choose a permanent and trustworthy partner !

 

RFQ:

Q1: Are you factory or trade company?
A1: We are factory. Please check Our Company Profile.

Q2: What the exactly address of your factory?
A2: Xihu (West Lake) Dis. Innovation Park, Zaoyuan Town, HangZhou, ZheJiang , China

Q3: Warranty terms of your machine?
A3: 18 months warranty for the machine,technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes.

Q5: How long will you take to arrange production?
A5: Deliver standard goods within 30days, Other customized goods is TBD.

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.

 

Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

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air compressor

What Is the Role of Oil in Lubricated Screw Compressors?

In lubricated screw compressors, oil plays a crucial role in ensuring optimal performance, reliability, and longevity of the compressor. Here’s a detailed explanation of the role of oil in lubricated screw compressors:

Lubrication: One of the primary functions of oil in screw compressors is to provide lubrication to the moving parts, particularly the screw rotors. The oil forms a thin film between the rotors and the compressor housing, reducing friction and wear. This lubrication minimizes mechanical losses and helps maintain efficient operation by reducing energy consumption.

Sealing: Oil also acts as a sealing medium in lubricated screw compressors. The oil film created between the rotors and the compressor housing helps create a seal, preventing air or gas leakage between the high-pressure and low-pressure sides of the compressor. This sealing action is crucial for maintaining the compressors’ efficiency and preventing losses in compression performance.

Cooling: Oil plays a vital role in cooling various components of the screw compressor. As the compressed air or gas is compressed, it generates heat. The oil absorbs a significant amount of this heat and carries it away from the compression chamber. The oil then circulates through the compressor’s oil cooling system, where it dissipates the heat to the surrounding environment or through an oil cooler. Efficient oil cooling helps prevent overheating of the compressor components, ensuring reliable operation and extending the compressor’s lifespan.

Cleaning: The oil in lubricated screw compressors acts as a cleaning agent. It carries away contaminants, such as dirt, dust, and metal particles, that may enter the compressor during operation. The oil passes through filters and separators, removing these impurities and preventing them from accumulating in the compressor’s internal components. Clean oil helps maintain the integrity of the compressor’s internal parts and reduces the risk of damage or malfunctions.

Sealing Element Lubrication: In some lubricated screw compressors, the oil also serves to lubricate the sealing elements, such as the shaft seals or labyrinth seals. Proper lubrication of these seals helps maintain their effectiveness in preventing oil leakage and maintaining the separation between the oil and the compressed air or gas.

Corrosion Protection: Oil in screw compressors often contains additives that provide corrosion protection to the internal components. These additives form a protective layer on the metal surfaces, preventing corrosion caused by moisture or contaminants present in the compressed air or gas. Corrosion prevention helps maintain the compressor’s performance, efficiency, and reliability over time.

It’s important to note that lubricated screw compressors require regular oil monitoring, oil analysis, and oil changes to ensure optimal performance. The oil level, quality, and viscosity should be regularly checked and maintained within the manufacturer’s recommended specifications.

In summary, oil in lubricated screw compressors serves crucial functions such as lubrication, sealing, cooling, cleaning, sealing element lubrication, and corrosion protection. These functions collectively contribute to the efficient and reliable operation of the compressor, extending its service life and minimizing maintenance requirements.

air compressor

Can Screw Compressors Be Used in Food Processing?

Yes, screw compressors can be used in food processing. Here’s a detailed explanation:

Screw compressors are widely employed in various industrial applications, including the food processing industry. They provide a reliable and efficient source of compressed air, which is used for a range of purposes in food processing facilities. Here are some key points to consider:

1. Packaging: Screw compressors are commonly used in food packaging processes. Compressed air is utilized for tasks such as operating pneumatic actuators, controlling packaging machinery, and inflating packaging materials, such as bags and containers.

2. Cleaning and Drying: Compressed air is essential for cleaning and drying applications in the food industry. Screw compressors supply the necessary air pressure for tasks such as blowing off debris, dust, or moisture from food products, packaging surfaces, and production equipment.

3. Pneumatic Conveying: Screw compressors play a crucial role in pneumatic conveying systems used for transporting food products, such as grains, powders, or granules. Compressed air is utilized to create the necessary airflow to move the food materials through pipes or tubes to different processing stages or storage areas.

4. Cooling and Freezing: In food processing, screw compressors are often employed in refrigeration and cooling systems. They provide compressed air for various cooling processes, such as air chilling, blast freezing, or cryogenic freezing, which help maintain the freshness and quality of perishable food products.

5. Air Control and Mixing: Compressed air is utilized for precise air control and mixing applications in food processing. It can be used to control the flow rate, pressure, and temperature of air in mixing processes, such as dough mixing or batter preparation.

6. Cleaning-In-Place (CIP) Systems: CIP systems are widely used in the food industry to clean and sanitize equipment and pipelines. Compressed air is often an integral part of these systems, assisting in the removal of residues and ensuring proper cleaning and hygiene practices.

When using screw compressors in food processing, it is important to consider specific requirements and regulations related to food safety and quality. Here are some key considerations:

a) Food-Grade Lubricants: Ensure that the screw compressor is compatible with food-grade lubricants. Lubricants used in the compressor should be safe for incidental contact with food products and compliant with applicable food safety regulations.

b) Air Purity: Depending on the application, the compressed air may need to meet specific air quality standards to prevent contamination of food products. Standards such as ISO 8573, which define air purity classes for different contaminants, can be referenced to determine the required level of air purity.

c) Maintenance and Cleaning: Implement proper maintenance and cleaning procedures for the screw compressor to prevent any potential contamination risks. Regular inspection, cleaning, and adherence to good manufacturing practices (GMP) are essential to ensure food safety and compliance.

d) Regulatory Compliance: Comply with relevant food safety regulations and guidelines, such as those established by the Food and Drug Administration (FDA) or local regulatory authorities. These regulations may cover various aspects, including equipment design, materials, cleanliness, and hygiene practices.

In summary, screw compressors can be used in food processing for tasks such as packaging, cleaning, pneumatic conveying, cooling, and mixing. However, it is important to consider food safety regulations, use food-grade lubricants, maintain air quality, and follow proper maintenance and cleaning procedures to ensure compliance and protect the integrity of food products.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China Hot selling High Quality Air End CHINAMFG 15kw 20HP Two Stage Screw Air Compressor   with Hot sellingChina Hot selling High Quality Air End CHINAMFG 15kw 20HP Two Stage Screw Air Compressor   with Hot selling
editor by CX 2023-10-20

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