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Gas turbine support system

A gas turbine and support system technology, which is applied to gas turbine devices, mechanical equipment, engine components, etc., can solve the problems of reduced reliability and service life of the support system, cracks, etc., so as to avoid cracks in the support arm, work stably and reliably, and improve the service life. and reliability effects

Inactive Publication Date: 2013-02-13
BEIJING HUAQING GAS TURBINE & INTEGRATED GASIFICATION COMBINED CYCLE ENG TECH
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a gas turbine support system to avoid the stress concentration between the support arm and the shaft seat in the turbine cylinder support mechanism to cause cracks, and to solve the reliability and problems of the support system caused by thermal expansion when the industrial gas turbine is working. To solve the problem of reduced service life and improve the stability of gas turbine operation

Method used

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Embodiment Construction

[0015] The structure, principle and working process of the present invention will be further described below in conjunction with the accompanying drawings.

[0016] figure 1 It is a schematic diagram of the overall structure of an existing gas turbine, including two parts: the gas turbine body and the support system. The gas turbine body includes a compressor cylinder 10, a turbine cylinder 11, and an exhaust cylinder 12 from front to back; Cylinder support mechanism 14, exhaust cylinder guide rail mechanism 15 and base 22; compressor cylinder support mechanism 13 is connected with compressor cylinder 10 and base respectively, turbine cylinder support mechanism 14 is respectively connected with turbine cylinder 11 and base 22, exhaust cylinder guide rail mechanism 15 is connected with exhaust cylinder 12 and base respectively. The compressor cylinder support mechanism 13 is fixed on the base 22, which is the absolute dead point in the axial direction of the gas turbine. The e...

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Abstract

The invention relates to a gas turbine support system, and belongs to structural design of a gas turbine. The support system comprises a compressor cylinder supporting mechanism, a turbine cylinder supporting mechanism, an exhaust cylinder guide rail mechanism and a base, wherein the turbine cylinder supporting mechanism is composed of a supporting arm, a supporting arm rotating shaft, a supporting lower arm, a lower arm rotating shaft and a shaft base; and the supporting arm and the supporting lower arm rotate around the supporting arm rotating shaft, and the supporting lower arm rotates around the lower arm rotating shaft. According to the invention, the turbine cylinder supporting mechanism adopts a structure that the supporting lower arm rotates around the lower arm rotating shaft, the structure can compensate radial direction swelling capacity generated by heating of a turbine, and cracking of the supporting arm caused when the turbine cylinder is heated to expand is avoided; therefore, the service life of the support system is prolonged, the reliability of the support system is improved, and the gas turbine is guaranteed to work stably and reliably.

Description

technical field [0001] The invention relates to a gas turbine support system, which belongs to the field of gas turbine structure design. Background technique [0002] In industrial gas turbines, the commonly used support system consists of a compressor cylinder support mechanism, a turbine cylinder support mechanism, an exhaust cylinder guide rail mechanism and a base. The general gas turbine compressor cylinder support mechanism is located at the compressor cylinder, which is a fixed support mechanism, that is, the absolute dead point of the gas turbine; the turbine cylinder support mechanism is a non-fixed support mechanism, located at the turbine cylinder, and the exhaust cylinder guide rail mechanism is located at the exhaust cylinder. place. [0003] When the gas turbine is working, the air is compressed by the compressor and flows through the combustion chamber. After being mixed with the gas in the combustion chamber, the temperature rises, and then expands through ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C7/20F01D25/28
Inventor 隋亚民
Owner BEIJING HUAQING GAS TURBINE & INTEGRATED GASIFICATION COMBINED CYCLE ENG TECH
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