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A sealing structure of a water lubricated compressor

A technology of water lubrication and compressor, which is applied in the field of compressors and can solve problems such as insufficient sealing effect

Active Publication Date: 2020-12-01
广东葆德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the current spiral seal is not good enough in the water-lubricated environment.

Method used

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  • A sealing structure of a water lubricated compressor
  • A sealing structure of a water lubricated compressor

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Embodiment Construction

[0010] In order to make the purpose, technical solution and advantages of the present application clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. In the ensuing description some specific details are referred to for a thorough understanding of the present invention. While the present invention can be practiced without these specific details, the description and representations herein can be used by those skilled in the art to more effectively convey the substance of their work to others skilled in the art.

[0011] refer to figure 1 , figure 2 , a sealing structure of a water-lubricated compressor, including a casing 1, the casing 1 includes a suction side bearing seat 11, and an exhaust side bearing seat 12, and the casing 1 has a built-in male rotor 2 and a female rotor 3, wherein the The male rotor 2 is provided with a water-lubricated radial sliding bearing 21 on the suction side of t...

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Abstract

The invention discloses a sealing structure for a water-lubricated compressor. The sealing structure comprises a shell, the shell comprises a gas suction side bearing seat and an exhaust side bearingseat, a spiral seal is arranged on the position, corresponding to the exhaust side bearing seat, of a female rotor in a sleeving mode and comprises an outer thread area and an annular area, the threadcircle section of the outer thread area is trapezoidal, and a protruding edge is arranged at the position, facing the edge of the outer thread area, of the annular area. Through the design that the protruding edge is additionally arranged at the spiral seal at the exhaust side bearing seat, a local buffer area is also formed through the protruding edge besides that the sealing effect between theouter thread area and the annular area is directly enhanced, and the local buffer area is matched with a high-pressure area of the exhaust side bearing, so that water is prevented from permeating fromthe enhanced space between the outer thread area and the annular area.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a sealing structure of a water-lubricated compressor. Background technique [0002] In practice, existing oil-free water-lubricated twin-screw compressors need to be provided with a spiral seal on the bearing seat on the discharge side to ensure that no cross-gas occurs in the high-pressure area in the compressor. However, the current spiral seals do not have a good sealing effect in a water-lubricated environment. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the invention provides a sealing structure of a water-lubricated compressor. The technical solution adopted by the present invention to solve its technical problems is: [0004] A sealing structure for a water-lubricated compressor, comprising a casing, the casing including a suction side bearing seat and a discharge side bearing seat, a male rotor and a female rotor are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C27/00F04C18/16
CPCF04C18/16F04C27/00
Inventor 郭振发
Owner 广东葆德科技有限公司