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Centrifugal compressor and heat pump system

A centrifugal compressor and motor rotor technology, applied in the field of compressors, can solve the problems of cumbersome operation procedures and complex internal components of centrifugal compressors, and achieve the effects of simplified operation procedures, low power consumption, and simplified internal structure

Active Publication Date: 2020-08-04
QINGDAO HAIER SMART TECH R & D CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a centrifugal compressor and a heat pump system to solve the problem that the centrifugal compressor with hydrostatic bearings uses air supply components and cooling elements at the same time, which makes the internal components of the centrifugal compressor complicated and the operation procedures cumbersome.

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  • Centrifugal compressor and heat pump system
  • Centrifugal compressor and heat pump system
  • Centrifugal compressor and heat pump system

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Embodiment Construction

[0026] The following description and drawings sufficiently illustrate the specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of the embodiments herein includes the full scope of the claims, along with all available equivalents of the claims. Herein, the terms "first," "second," etc. are only used to distinguish one element from another, and do not require or imply any actual relationship or order between the elements. In fact the first element can also be called the second element and vice versa. Furthermore, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a structure, device or device comprising a list of elements includes not only those elements, but also others not expressly listed elements, or elements inherent to such structures, devices, or eq...

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Abstract

The invention belongs to the field of compressors, and discloses a centrifugal compressor which comprises a shell, an impeller and a motor rotor located in the shell. A thrust disc is arranged on oneside of the motor rotor, the motor rotor is supported through radial static pressure gas bearings, and axial static pressure gas bearings are arranged on the two sides of the thrust disc. A cooling gas passage is arranged in a motor of the centrifugal compressor, bearing seats of the radial static pressure gas bearings and the axial static pressure gas bearings are respectively provided with ventholes, and the vent holes are communicated with the cooling gas passage. The bearings of the centrifugal compressor provided by the invention are all static pressure gas bearings taking gas as a lubricating agent, so that the oil-free property is realized; and meanwhile, gas generated by operation of the gas bearings is used as a cooling agent, an external cooling element is omitted, and the operation procedure of the centrifugal compressor is simplified.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a centrifugal compressor and a heat pump system. Background technique [0002] The centrifugal compressor is an important component of the heat pump system. The bearings of centrifugal compressors include oil lubricated bearings, magnetic suspension bearings, dynamic pressure gas bearings and static pressure gas bearings. [0003] Among them, the static pressure gas bearing needs to provide complex air supply components for the static pressure gas bearing during the operation process, and at the same time, the centrifugal compressor needs to use an external cooling component to cool the motor. The coexistence of the air supply component and the cooling component increases the operation procedure of the centrifugal compressor, which makes the working process of the centrifugal compressor of the static pressure gas bearing very complicated. SUMMARY OF THE INVENTION [0004]...

Claims

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Application Information

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IPC IPC(8): F04D17/10F04D25/06F04D29/057F04D29/58F04D29/063
CPCF04D17/10F04D25/06F04D29/057F04D29/0563F04D29/5806F04D29/582F04D29/063
Inventor 王晶杨启超刘广彬赵远扬李连生俞国新刘增岳
Owner QINGDAO HAIER SMART TECH R & D CO LTD
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