Turbine

A technology of turbines and turbine rotors, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems of high power consumption, low efficiency and high price of low-grade waste heat recovery equipment, and achieve the effect of improving thermoelectric efficiency

Pending Publication Date: 2017-12-22
谢竞宁
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Problems solved by technology

[0002] In the field of low-grade waste heat recovery, the organic Rankine cycle technology is one of the main heat-power (electricity) technologies. Although compared with the traditional steam Rankine cycle power generation technology, the organic Rankine cycle technology has a simplified system and high efficiency, but The efficiency of low-grade waste heat recovery equipment is still low, and the investment payback period is long, which is one of the main factors restricting the development of low-grade waste heat recovery power generation industry
[0003] The existing organic Rankine cycl

Method used

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[0037] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying ...

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Abstract

The invention discloses a turbine, comprising: a motor casing, a volute casing and a working medium pump casing; a stator assembly arranged on the inner wall of the motor casing; a rotor shaft; a front radial permanent magnetic bias magnetic suspension bearing and a rear Radial permanent magnetic bias magnetic suspension bearings, front radial permanent magnetic bias magnetic suspension bearings and rear radial permanent magnetic bias magnetic suspension bearings are arranged on the motor housing to support the rotor shaft; axial permanent magnetic bias magnetic suspension bearings, axial permanent magnetic bias magnetic suspension bearings, The permanent magnetic bias magnetic suspension bearing is set on the motor casing to limit the axial displacement of the rotor shaft; the expansion turbine is located in the turbine working chamber, and the gaseous working medium enters the turbine working chamber from the intake passage, and the expansion turbine is After doing work, it is discharged from the exhaust passage; the centrifugal impeller is arranged at the front end of the rotor shaft of the working medium pump and is located in the third installation space. The turbine according to the invention has simple structure, low cost and high thermoelectric efficiency.

Description

technical field [0001] The invention relates to the technical field of low-temperature waste heat recovery power generation, in particular to a turbine. Background technique [0002] In the field of low-grade waste heat recovery, the organic Rankine cycle technology is one of the main heat-power (electricity) technologies. Although compared with the traditional steam Rankine cycle power generation technology, the organic Rankine cycle technology has a simplified system and high efficiency, but The efficiency of low-grade waste heat recovery equipment is still low, and the investment payback period is long, which is one of the main factors restricting the development of low-grade waste heat recovery power generation industry. [0003] The existing organic Rankine cycle system that uses a magnetic levitation turbo expander to generate electricity, although the efficiency and life of the expander has been improved, the overall thermoelectric efficiency of the system is not high...

Claims

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Application Information

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IPC IPC(8): F01D15/10F01D25/12
CPCF01D15/10F01D25/12
Inventor 谢竞宁
Owner 谢竞宁
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