Multi-stage regenerative fuel cell gas turbine hybrid power generation system based on plasma catalysis
A technology of fuel cells and gas turbines, applied in the direction of fuel cells, gas turbine devices, electrical components, etc., to achieve the effects of improving comprehensive utilization effects and energy density, high-efficiency combustion, improving thermal efficiency and variable working condition performance
Active Publication Date: 2021-07-20
HARBIN INST OF TECH
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[0005] In order to solve the problem of how to improve the variable working condition characteristics and cycle thermal efficiency of gas turbines and reduce pollutant emissions, the present invention proposes a multi-stage regenerative fuel cell gas turbine hybrid power generation system based on plasma catalysis. The regenerative bypass cycle of the high-temperature fuel cell is constructed, and the combination of plasma catalysis and steam reforming is used to improve the fuel composition, forming a multi-stage regenerative system of the gas turbine, which is used to improve the cycle efficiency of the gas turbine system and ensure the low load of the gas turbine The operating efficiency under working conditions enables the gas turbine system to operate safely and stably
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specific Embodiment approach 1
[0021] Specific implementation mode one: see figure 1 This embodiment will be described. The plasma catalysis-based multi-stage regenerative fuel cell gas turbine hybrid power generation system described in this embodiment includes a compressor 1, a combustion chamber 2, a turbine 3, a high-temperature fuel cell 4, a chemical regenerator 5, a plasma catalytic device 6, a regenerator Heater 7, evaporator 8, generator 9, No. 1 splitter 10, No. 2 splitter 11 and No. 3 splitter 12, fuel enters plasma catalytic device 6 and passes through No. 3 splitter 12 respectively with combustion chamber 2 inlet and chemical The inlet on the cold flow side of the regenerator 5 is connected, the air enters the inlet of the compressor 1, the outlet of the compressor 1 is connected to the inlet on the cold flow side of the regenerator 7, and the outlet on the cold flow side of the regenerator 7 is connected to the inlet of the combustion chamber 2 , the outlet of the combustion chamber 2 is conn...
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The invention proposes a multi-stage regenerative fuel cell gas turbine hybrid power generation system based on plasma catalysis. The fuel entering the plasma catalysis device is connected to the combustion chamber inlet and the inlet of the cold flow side of the chemical regenerator, and the outlet of the compressor is connected to the cold flow side of the regenerator. The inlet is connected, the outlet of the cold flow side of the regenerator is connected to the combustion chamber, the outlet of the combustion chamber is connected to the inlet of the turbine, the turbine rotor is connected to the generator, and the outlet of the turbine is respectively connected to the hot flow side of the chemical regenerator and the cathode inlet of the high temperature fuel cell. The cathode of the fuel cell is connected to the regenerator. The inlet of the cold flow side of the chemical regenerator is respectively connected to the evaporator, the third shunt and the plasma catalytic device. The water enters the chemical regenerator from the evaporator, and the cold flow outlet of the chemical regenerator The sides are respectively connected with the anode inlet of the high temperature fuel cell and the inlet of the combustion chamber, and the anode outlet of the high temperature fuel cell is connected with the inlet of the combustion chamber. It solves the problem of how to improve the variable working condition characteristics and cycle thermal efficiency of gas turbines and reduce pollutant emissions.
Description
technical field [0001] The invention relates to a plasma catalysis-based multi-stage regenerative fuel cell gas turbine hybrid power generation system, which belongs to the technical field of gas turbine circulation systems. Background technique [0002] At present, the focus of gas turbine research is to improve cycle thermal efficiency and reduce pollutant emissions. The gas turbine advanced cycle uses other components to optimize the operating characteristics of the system on the basis of a simple cycle, and can also recycle the exhaust heat of the gas turbine, and use its thermodynamic potential to comprehensively improve the physical or chemical energy of the system, thereby reducing the emission of NOx and other pollutants from the gas turbine , improve cycle efficiency. At present, research on various advanced cycles has been carried out, such as steam injection cycle, intercooling heat recovery cycle, wet compression technology, etc., are gradually deepening. The a...
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IPC IPC(8): F02C6/00F02C6/18F02C3/04H01M8/0612F22B33/18
CPCF02C3/04F02C6/00F02C6/18F22B33/18H01M8/0618Y02E60/50
Inventor 秦江马松松刘禾姬志行郭发福
Owner HARBIN INST OF TECH