Taking the single-screw air compressor as an example to illustrate the working principle of the screw air compressor, as shown in the figure is the structural schematic diagram of the single-screw air compressor (screw air compressor). The working principle of screw air compressor (screw air compressor) is as follows: suction, sealing and conveying, compression and exhausting. When the screw rotates in the housing, the screw meshes with the groove of the housing, the air is sucked in by the air inlet, and the oil is also sucked in, and the sucked oil is sealed and transported to the exhaust port due to the rotation of the meshing surface; During the process, the meshing gap of the tooth groove gradually becomes smaller, and the oil and gas is compressed; when the meshing surface of the tooth groove rotates to the exhaust port of the casing, the higher pressure oil and gas mixed gas is discharged from the body.
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The inverter of the screw air compressor can change the displacement of the screw by changing the speed of the screw rotor. When the volume of the gas changes, the inverter changes the speed of the air compressor to adjust the displacement of the air compressor to achieve a constant discharge pressure. Change and save energy for the purpose.
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