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A water-lubricated screw compressor bearing structure

A water-lubricated, thrust sliding bearing technology, applied in mechanical equipment, machines/engines, liquid fuel engines, etc., to reduce the trouble of installation, commissioning and maintenance, increase the force contact area, and reduce the difficulty of after-sales service

Active Publication Date: 2019-09-20
SUZHOU ALRBETTER PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve a series of problems existing in the existing screw compressor rotor thrust bearing, the present invention now provides a water-lubricated screw compressor bearing structure

Method used

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  • A water-lubricated screw compressor bearing structure

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] figure 1 It is a structural diagram of the screw compressor manufactured by the present invention. The shaft seal structure of the present invention is mainly composed of the male rotor dynamic thrust disc 15 on the suction side of the male rotor 1, the male rotor static thrust disc 17 and the female rotor 9 on the suction side. The dynamic thrust plate 12 and the static thrust plate 14 of the female rotor are composed. The thrust sliding bearing composed of the dynamic thrust plate and the static thrust plate is located on the suction side of the compressor. The installation position of the aforementioned thrust sliding bearing is different from that of any existing compressor thrust bearing. the installation location.

[0018] Disassemble the end cover 18 on the suction side, and adjust the axial position of the male rotor 1 in the co...

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Abstract

The invention discloses a water lubrication screw rod compressor bearing structure which mainly comprises a female rotor, a male rotor, four water lubrication radial sliding bearings and a thrust sliding bearing. The thrust sliding bearing is located at the shaft end of the female rotor and the male rotor on the air suction side of a compressor. The thrust sliding bearing is located on the air suction side of the compressor, since the whole compression process approximates to constant temperature compression, the air suction and exhaust temperature difference of the compressor is within 10 DEG C, accordingly, the thrust sliding bearing does not affect the rotor exhaust end face gap when installed on the air suction side of the compressor, meanwhile, the stress contact area of the thrust sliding bearing can be greatly enlarged, the thrust bearing face specific pressure is reduced, the service life of the water lubrication thrust sliding bearing is remarkably prolonged, and the reliability of the water lubrication thrust sliding bearing is remarkably improved. The installation gap of the female rotor and the male robot is convenient to adjust, the cooling and lubrication conditions of the thrust sliding bearing are improved, and the whole assembly and later-period maintenance work efficiency of the compressor can be improved.

Description

technical field [0001] The invention relates to a water-lubricated screw compressor bearing structure. Background technique [0002] At present, oil-injected screw compressors are widely used in aerodynamics, refrigeration and air conditioning and other fields, and oil-free screw compressors are widely used in petroleum, chemical, food, pharmaceutical and other fields. The market demand for oil-free screw compressors is becoming more and more urgent, and water-lubricated screw compressors, as a completely oil-free compressor, conform to the development trend of the market. [0003] One of the outstanding advantages of water-lubricated screw compressors among various types of air compressors is that they can achieve isothermal compression. Engineering thermodynamic calculations show that isothermal compression is more energy-efficient than isentropic compression. Taking 8bar(a) compressed air as an example, it can save energy by about 30%, especially compared with dry screw ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/00F04C29/02F04C29/04F04C29/12F04C18/16
Inventor 陈文卿王闯杨侨明李星星邢子文
Owner SUZHOU ALRBETTER PRECISION MACHINERY
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