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A compact gas turbine device using gaseous fuel with low combustion value

A technology of gas fuel and gas turbine, which is applied in the direction of gas turbine devices, mechanical equipment, machines/engines, etc., can solve problems such as constraints, shortage of acquisition, price fluctuations, etc., and achieve reduction of device weight, simple and compact device structure, saving manufacturing costs and effect of space

Active Publication Date: 2016-06-08
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As power fuels are increasingly dominant in the operating costs of gas turbines, and conventional high-burning value fuels, such as natural gas, are non-renewable, the availability is increasingly scarce, and price fluctuations are restricted by the international market

Method used

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  • A compact gas turbine device using gaseous fuel with low combustion value
  • A compact gas turbine device using gaseous fuel with low combustion value

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing.

[0018] refer to figure 1 , the present invention is a compact gas turbine device using low fuel value gas fuel, including an air centrifugal compressor 2, a high-pressure turbine 4, a counter-rotating turbine 5, a low fuel value gas fuel centrifugal compressor 8, a combustion chamber 9 and a generator or Load 11; wherein, the air centrifugal compressor 2 is provided with an air inlet 1 and a compressed air outlet, and the low fuel value gas fuel centrifugal compressor 8 is provided with a low fuel value gas fuel inlet 7 and a low fuel value gas Fuel outlet channel, when the compact gas turbine device with low fuel value gas fuel is started, the air centrifugal compressor 2 and the low fuel value gas fuel centrifugal compressor 8 are driven to rotate through the external power unit, and the compressed air and low fuel value gas fuel are respectively passed through The compr...

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Abstract

Disclosed is a compact gas turbine device adopting low-combustion value gas fuel. An air inlet way and a compression air outlet way are arranged on an air centrifugal compressor, and a low-combustion value gas fuel air inlet way and a low-combustion value gas fuel air outlet way are arranged on a low-combustion value gas fuel centrifugal compressor; the compression air and the low-combustion value gas fuel enters a combustion chamber through the compression air outlet way and the low-combustion value gas fuel air outlet way respectively to be combusted in a mixed manner; high-temperature and high-pressure gas generated by the combustion chamber drives a high-pressure turbine to rotate, and the high-pressure turbine drives the air centrifugal compressor to compress air through a high-pressure portion rotating shaft and drives an electric generator or a load to do work through a power output shaft; and the high-temperature high-pressure gas flowing out of a high-pressure turbine drives a contra rotating turbine to rotate, and the contra rotating turbine drives the low-combustion value gas fuel centrifugal compressor to compress the low-combustion value gas fuel through a low-pressure portion rotating shaft. The compact gas turbine device has the advantages of being high in pneumatic efficiency, small in size, compact and small in consumable and saving cost, and has the extreme wide market prospect.

Description

technical field [0001] The invention relates to a gas turbine device, in particular to a compact gas turbine device using low fuel value gas fuel. Background technique [0002] Since power fuels are increasingly dominant in the operating costs of gas turbines, and conventional high-burning value fuels, such as natural gas, are non-renewable, the availability is becoming increasingly scarce, and price fluctuations are restricted by the international market. At present, domestic and foreign countries have begun to develop and use low-combustion gas fuel gas turbine devices. By making full use of low-combustion gas fuels, such as blast furnace, coke oven, converter gas and biogas, etc., economic benefits can be greatly improved and there is a broad market prospect. [0003] Twin-rotor gas turbines have been widely used at present. The current twin-shaft unit is mainly used to connect two compressors with different speeds in series, so as to improve the operating performance of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C3/04
Inventor 谢永慧高科科张荻
Owner XI AN JIAOTONG UNIV
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