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Gas turbine starting structure

A gas turbine and compressor technology, which is applied to gas turbine devices, machines/engines, mechanical equipment, etc., can solve the problems of normal operation of gas turbines and hidden dangers of safe operation of gas turbines.

Active Publication Date: 2020-11-10
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Explosive start-up will cause certain hidden dangers to the overall safe operation of the gas turbine
And the above-mentioned start-up device is only used as a start-up device independent of the gas turbine unit, and does not substantially help the normal operation of the gas turbine after start-up

Method used

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations ...

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Abstract

The embodiment of the invention provides a gas turbine starting structure. The gas turbine starting structure comprises a gas compressor casing (1), wherein a gas compressor impeller (5) is arranged on the inner side of the gas compressor casing (1) and rotates around a rotating axis (R) located in the center of the inner side of the gas compressor casing (1); and a gas entraining channel casing (2) which is located outside the gas compressor casing (1) and axially cooperates with the gas compressor casing (1) so as to form an annular gas flow channel (3) between the gas entraining channel casing (2) and the gas compressor casing (1). A gas entraining gap (4) is formed in the gas compressor casing (1) in the circumferential direction. On one hand, the structure has the beneficial effects of being simple and portable. On the other hand, the problem that in the prior art, a gas turbine starting device cannot be reused is solved through the structure.

Description

technical field [0001] The invention relates to the technical field of gas turbines, in particular to a starting structure of a gas turbine. Background technique [0002] A gas turbine is an internal combustion power machine that converts the chemical energy of fuel into mechanical energy by driving the impeller to rotate at high speed through continuous air flow. [0003] A gas turbine generally consists of three components: a compressor, a combustor, and a turbine. When the gas turbine is working normally, the compressor sucks in the outside air and compresses it. The high-pressure air enters the combustion chamber, mixes with the atomized fuel, and then combusts to generate high-temperature and high-pressure gas. Rotate to continuously convert the energy of the fuel into mechanical energy. [0004] The power consumed by the compressor to compress the air needs to be provided by the turbine. During the start-up process of the gas turbine, before ignition and after ignit...

Claims

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Application Information

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IPC IPC(8): F02C7/27
CPCF02C7/27
Inventor 李育隆李靖奇吴宏
Owner BEIHANG UNIV
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