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Efficient waste-heat-recycle power generation device for gas turbine and control method

A gas turbine and waste heat recovery technology, which is applied to combustion engines, machines/engines, internal combustion piston engines, etc., can solve problems such as energy waste and environmental pollution, and achieve the effects of reducing heat exchange area, reducing environmental pollution, and saving metal materials

Inactive Publication Date: 2019-01-18
AECC AVIATION POWER CO LTD
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  • Claims
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Problems solved by technology

[0002] At present, the gas of the gas turbine is exhausted into the atmosphere through the volute after the power turbine has done work, causing most of the heat to be discharged into the atmosphere with the exhaust gas after combustion, which not only causes energy waste, but also pollutes the environment

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  • Efficient waste-heat-recycle power generation device for gas turbine and control method

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0027] Such as figure 1 As shown, the high-efficiency waste heat recovery power generation device for gas turbines according to the present invention includes a front case 1, a low-pressure compressor 2, a high-pressure compressor 3, a combustion chamber 4, a high-pressure turbine 5, a low-pressure turbine 6, a power turbine 7, Exhaust volute 8, first working medium pump 9, first heat exchanger 10, second working medium pump 11, condenser 12, regenerator 13, turbine 14, generator 15, frequency converter 16, ship Electric system 17 , propeller 18 and second heat exchanger 19 .

[0028] The air output port of the front casing 1 is connected with the air input port of the low-pressure compressor 2, the air output port of the low-pressure compressor 2 is connected with the air input port of the ...

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Abstract

The invention relates to an efficient waste-heat-recycle power generation device for a gas turbine and a control method. A fuel gas output port of a power turbine is communicated with a fuel gas inputport of a heat exchanger; a working medium input port of the heat exchanger is communicated with an output port of a first working medium pump, a working medium output port of the heat exchanger is communicated with a working medium input port of a turbine, and a working medium output port of the turbine is communicated with a working medium input port of a condenser; a working medium output portof the condenser is communicated with an input port of a second working medium pump, an output port of the second working medium pump is communicated with a working medium input port of a heat regenerator, and a working medium input port of the heat regenerator is communicated with an input port of the first working medium pump; the turbine is provided with an air exhaust port and communicated with the working medium input port of the heat regenerator through an air exhaust pipe, the air exhaust pipe is provided with a valve, and a pressure detection device is arranged on the turbine; the turbine drives a power generator for power generation. According to the device, waste gas of the gas turbine is used for heating a working medium to high-temperature and high-pressure gas, the gas entersthe turbine for working, the power generator is driven to generate power, and waste heat in the waste gas is recycled.

Description

technical field [0001] The invention belongs to the technical field of waste heat recovery, and relates to generating electricity by using exhaust gas of a gas turbine as a heat source for waste heat power generation, and in particular to a high-efficiency waste heat recovery power generation device and a control method for a gas turbine. Background technique [0002] At present, the exhaust gas of the gas turbine is discharged into the atmosphere through the volute after the power turbine has done work, causing most of the heat to be discharged into the atmosphere with the exhaust gas after combustion, which not only causes energy waste, but also pollutes the environment. Contents of the invention [0003] The purpose of the present invention is to provide a high-efficiency waste heat recovery power generation device and control method for gas turbines, a power generation device that can absorb and process gas turbine exhaust gas immediately, reduce environmental pollution...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G5/02F01D15/10
CPCF01D15/10F02G5/02Y02T10/12
Inventor 杨芬李涛闫志祥沈军杜晓东吴生让
Owner AECC AVIATION POWER CO LTD
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