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Help CenterVariable-frequency Screw Air Compressor, Highly Efficient and Energy-saving, With High Gas Output and Low Noise.
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The screw air compressor achieves the intake, compression and discharge of air through a pair of intermeshing screw rotors, featuring high efficiency and stability. Working principle
The working process of a screw air compressor can be divided into three main stages: suction, compression, and exhaust. Here is a detailed analysis of the working principle:
Suction stage:
When the rotor rotates, the space between the male rotor and the female rotor gradually expands, connecting to the intake port. The outside air enters the space between the rotor through the intake port. At this time, the space between the rotors is the largest, and the air is sucked in and sealed in the space between the rotors.
Compression stage:
After the inhalation process is completed, the rotor continues to rotate, and the space in the tooth grooves gradually decreases, forcing the air to be compressed. As the rotor rotates, the pressure of the gas gradually increases, and the temperature also rises. At this time, lubricating oil is sprayed into the compression chamber to lower the temperature and provide sealing.
Exhaust stage:
When the mating surfaces of the rotor connect with the exhaust port, the compressed high-pressure air begins to be discharged. At this point, the space in the tooth grooves is zero, completing the exhaust process. Then, the rotor returns to the inhalation state and starts a new cycle.
Main structure
The main structure of the screw air compressor includes:
Male rotor and female rotor: The male rotor usually has convex teeth, while the female rotor has concave teeth. They mesh with each other to form a compression chamber.
Casing: The casing provides support for the rotor and ensures the precise meshing of the rotor in the cylinder.
Inlet and outlet ports: Used for air intake and the discharge of compressed air.
Lubrication system: Lubricating oil is sprayed in to lower the temperature and provide sealing. Application fields
Lubricated screw air compressors are widely used in industrial production, automotive manufacturing, food processing and other fields. They are favored for their high efficiency and stable performance. By understanding their working principle and structure, better selection and maintenance can be achieved. Through the above analysis, the working principle and structural features of the screw air compressor are clearly presented, helping users better understand its functions and applications.
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