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Fuel cell chemical regenerative heat gas turbine reheating type combined cycle system

A technology of fuel cells and gas turbines, applied in the direction of fuel cell heat exchange, fuel cells, fuel cell additives, etc., can solve the problems of low efficiency, achieve the effects of reducing emissions, increasing output power and thermal efficiency, and improving combustion

Active Publication Date: 2021-05-14
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Moreover, in the power mode of the existing main fuel cell gas turbine hybrid system, the fuel cell accounts for the main power output, and the use of micro gas turbines has the problem of low efficiency

Method used

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  • Fuel cell chemical regenerative heat gas turbine reheating type combined cycle system
  • Fuel cell chemical regenerative heat gas turbine reheating type combined cycle system

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Embodiment Construction

[0023]It should be noted that the features in the present invention in the present invention can be combined with each other in the case of an unable conflict.

[0024]The present invention will be described in detail below with reference to the drawings.

[0025]Such asfigure 1As shown, the fuel cell chemical returns the heat turbine reheat the combination cycle system, including the compressor 1, the combustion chamber 2, the high pressure turbine 3, the solid oxide fuel cell 4, the low pressure turbine 5, the chemical refolder 6, the evaporator 7, Mixer 8 and splitter 9;

[0026]The inlet of the air self-compressor 1 enters the compressor 1, the outlet of the compressor 1 is in communication with the first inlet of the combustion chamber 2, and the outlet of the combustion chamber 2 communicates with the inlet of the high pressure turbine 3, the compressor 1 and the high pressure turbine 3 Through the shaft connection, the outlet of the high pressure turbine 3 is connected to the cathode ...

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Abstract

The invention provides a fuel cell chemical regenerative heat gas turbine reheating type combined cycle system. The system comprises a gas compressor, a combustion chamber, a high-pressure turbine, a solid oxide fuel cell, a low-pressure turbine, a chemical heat regenerator, an evaporator, a mixer and a flow divider. Air enters the gas compressor, the gas compressor is communicated with the combustion chamber, the combustion chamber is communicated with the high-pressure turbine, the gas compressor is connected with the high-pressure turbine through a shaft, the high-pressure turbine is connected with a cathode inlet of the solid oxide fuel cell, a cathode outlet is connected with an inlet of the low-pressure turbine, and an outlet of the low-pressure turbine is connected with the chemical heat regenerator; and water enters through the evaporator, flows into the mixer to be mixed with fuel, and the water and the fuel enter the chemical heat regenerator together. According to the fuel cell chemical regenerative heat gas turbine reheating type combined cycle system, the steam reforming reaction of the fuel in the chemical heat regenerator is utilized, the waste heat of the tail gas of the gas turbine is recycled, meanwhile, the solid oxide fuel cell is introduced into reheating cycle, the front temperature of the low-pressure turbine is increased, the power and the heat efficiency of the gas turbine are improved, and less pollutants are produced.

Description

Technical field[0001]The present invention belongs to the technical field of gas turbine, in particular, to a fuel cell chemical recycle gas turbine reelectronically reinforced coincidence system.Background technique[0002]At present, the focus of gas turbine research is to improve circular heat efficiency and reduce pollutant emissions. Gas turbines can be divided into simple cycles and advanced cycles. Simple circulating gas turbine includes major components such as compressor, combustion chamber, and turbine, improve its cycle efficiency, and improve the temperature of the turbine, the pressure ratio, and components. The advanced circulating gas turbine is mainly recycled by the gas turbine exhaust heat, using its thermodynamic potential to improve the physical energy or chemical energy of the system, to improve cycle efficiency; reduce pollutant emissions such as gas turbine NOx, simple circulation mainly improve combustion chamber structure , Improve the combustion mechanism of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C6/04F02C3/04F02C7/00H01M8/04014H01M8/04089
CPCF02C7/00F02C3/04F02C6/04H01M8/04022H01M8/04097Y02E60/50Y02E20/16
Inventor 秦江马松松李成杰刘禾周兆洲
Owner HARBIN INST OF TECH
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