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Air-blowing type micro gas turbine and starting method thereof

A micro gas turbine and air-blown technology, which is applied in the direction of gas turbine devices, combustion air/combustion-air treatment, machines/engines, etc., can solve the problems of high processing difficulty, reduced service life, high quality, etc., and achieve easy coaxiality Guaranteed, low processing difficulty, large air flow effect

Pending Publication Date: 2021-04-30
刘慕华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unsuccessful ignition leads to frequent start-up of the gas turbine system, which affects the reliability of the micro gas turbine and reduces its service life
[0004] On the other hand, the current gas turbines are mostly started by electric motors, and the installation of electric motors greatly increases the length of the rotor shaft, which brings a series of problems, such as high processing difficulty, difficulty in ensuring coaxiality, severe vibration, and large mass

Method used

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  • Air-blowing type micro gas turbine and starting method thereof
  • Air-blowing type micro gas turbine and starting method thereof
  • Air-blowing type micro gas turbine and starting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] like figure 1 As shown, an air-blown micro gas turbine includes a compressor 1, a turbine 2, a rotating shaft 3, an intake passage 4, and a combustion chamber 5; the compressor 1 and the turbine 2 are respectively sleeved on the front end and the end of the rotating shaft 3 The front end of the compressor 1 is surrounded by a shell that surrounds the air intake passage 4, the outlet of the compressor 1 is connected to the combustion chamber 5 through the outlet passage 6, and the rim of the turbine 2 is arranged in the exhaust passage 7 of the combustion chamber 5, and the combustion chamber 5. The high-temperature and high-pressure gas ejected from the exhaust passage 7 is sprayed on the end face of the turbine 2 to drive the turbine 2 to rotate and do work; the rotating shaft 3 is supported in the stator by the radial bearing 8; each bearing is arranged on the rotating shaft between the compressor 1 and the turbine 2 On the shaft section, a bearing chamber 9 is formed...

Embodiment 2

[0042] like figure 2 As shown, an air-blown micro gas turbine includes a compressor 1, a turbine 2, a rotating shaft 3, an intake passage 4, and a combustion chamber 5; the compressor 1 and the turbine 2 are respectively sleeved on the front end and the end of the rotating shaft 3 The front end of the compressor 1 is surrounded by a shell that surrounds the air intake passage 4, the outlet of the compressor 1 is connected to the combustion chamber 5 through the outlet passage 6, and the rim of the turbine 2 is arranged in the exhaust passage 7 of the combustion chamber 5, and the combustion chamber 5. The high-temperature and high-pressure gas ejected from the exhaust passage 7 is sprayed on the end face of the turbine 2 to drive the turbine 2 to rotate and do work; the rotating shaft 3 is supported in the stator by the radial bearing 8; each bearing is arranged on the rotating shaft between the compressor 1 and the turbine 2 On the shaft section, a bearing chamber 9 is forme...

Embodiment 3

[0053] like image 3 As shown, an air-blown micro gas turbine includes a compressor 1, a turbine 2, a rotating shaft 3, an intake passage 4, and a combustion chamber 5; the compressor 1 and the turbine 2 are respectively sleeved on the front end and the end of the rotating shaft 3 The front end of the compressor 1 is surrounded by a shell that surrounds the air intake passage 4, the outlet of the compressor 1 is connected to the combustion chamber 5 through the outlet passage 6, and the rim of the turbine 2 is arranged in the exhaust passage 7 of the combustion chamber 5, and the combustion chamber 5. The high-temperature and high-pressure gas ejected from the exhaust passage 7 is sprayed on the end face of the turbine 2 to drive the turbine 2 to rotate and do work; the rotating shaft 3 is supported in the stator by the radial bearing 8; each bearing is arranged on the rotating shaft between the compressor 1 and the turbine 2 On the shaft section, a bearing chamber 9 is formed...

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Abstract

The invention discloses an air-blowing type micro gas turbine and a starting method thereof. According to the air-blowing type micro gas turbine and the starting method thereof, the starting structure and the starting method of the gas turbine are improved, so that the space occupied by the gas turbine is saved, the equipment machining difficulty is reduced, and the equipment vibration is reduced.

Description

technical field [0001] The proposal relates to the field of starting methods of gas turbines, in particular to an air-blown micro gas turbine and a starting method thereof. Background technique [0002] Industrial gas turbines mainly include three major components: compressor, combustor and turbine. After the air enters the compressor, it is compressed into high-temperature and high-pressure air, and then supplied to the combustor for fuel combustion, and the high-temperature and high-pressure gas generated expands in the turbine to perform work. [0003] The start-up control of micro gas turbine is one of the most important control contents of micro gas turbine system. The existing micro gas turbine has a low ignition success rate during start-up and is prone to start-up failure. Especially as the application of micro gas turbines becomes widespread, it needs to work in different environments such as temperature, humidity, and altitude. These environmental factors greatly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C3/14F02C3/04F02C7/06F02C7/28F02C7/04F02C7/057F02C7/264F02C7/275F02C9/48F02K3/06
CPCF02C3/14F02C3/04F02C7/06F02C7/28F02C7/04F02C7/057F02C7/264F02C7/275F02C9/48F02K3/06Y02T50/60
Inventor 靳普
Owner 刘慕华
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