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1.4 Introduction
The rotors are located in a horizontally arranged compression chamber with a suction port
(on the motor side) and a discharge port, with extremely small gaps between the rotors and
between the rotors and the housing by means of direct injection onto the rotor profile. The oil
film formed by the lubricating oil performs dynamic sealing. The formation of the compression
process is that the motor drives the rotor to rotate, causing the volume to gradually decrease;
the multiple compression chambers formed between the rotor and the casing due to the
rotation of the rotor move along the axial direction of the rotor while the volume gradually
decreases. Small.
The basic process of compression can be divided into three stages: suction,
compression and exhaust
Figure 1-B Compression principle of screw compressor
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