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Electric generation system combining solid oxide fuel battery with turbogenerator

A solid oxide and fuel cell technology, applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve problems such as difficult promotion, high fuel cell performance requirements, and expensive gas turbines

Inactive Publication Date: 2004-05-26
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the one hand, due to the high cost of gas turbines, and developing countries do not have this technology, it is difficult to promote; on the other hand, because this cycle power generation method requires the system to reach a certain pressure, it has higher requirements on the performance of fuel cells

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  • Electric generation system combining solid oxide fuel battery with turbogenerator
  • Electric generation system combining solid oxide fuel battery with turbogenerator

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Embodiment Construction

[0018] In order to better understand the technical solution of the present invention, further description will be made below in conjunction with the accompanying drawings and specific embodiments.

[0019] figure 1 It is a schematic diagram of the system structure of the present invention.

[0020] As shown in the figure, the combined power generation system of the present invention uses natural gas as fuel, the DC-AC converter 1 is connected to the two electrodes of the fuel cell 2, and the two ends of the tube of the heat exchanger 4 behind the anode of the fuel cell 2 are respectively connected to the fuel gas blower 6 And the gas desulfurization device 3, the outlet end of the desulfurization device 3 is connected to the heating surface of the steam boiler 10, the other outlet end of the boiler heating surface is connected to the anode inlet of the fuel cell 2, and the first heat exchanger 5 for producing hot water is in the tube The inlet end is connected to the outlet i...

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Abstract

A solid oxide fuel cell and steam turbine combined generating system uses a jointly circulated generating mode with solid oxide fuel cells and steam turbine, among which after the fuel gas is boosted by a fuel-gas fan, heated by a heat-exchanger, and desulfurized by a desulfurizer, it is sent to a steam boiler to be preheated, then to the fuel cell anode for electrochemical reaction, the electric energy generated is sent to the users via outdoor circuit. The exhaust from the anode is sent to the heat exchanger for fuel preheating and water supply, then to the steam boiler via carbon dioxide removal device to be burnt together with part of natural gas to heat water to generate high-temperature and high-pressure steam to push the steam turbine to rotating and drive the generator to generate electric energy.

Description

Technical field: [0001] The invention relates to a power generation system, in particular to a solid oxide fuel cell steam turbine combined power generation system using natural gas as fuel, and belongs to the technical field of energy utilization. Background technique: [0002] The concept of fuel cell originated from William Grove, a British physicist 150 years ago. He used the principle of reducing water electrolysis to generate hydrogen and oxygen, and designed hydrogen and oxygen to synthesize water and discharge current through the electrochemical reaction of the plate. The concept is the research of fuel cell pioneers. However, the real fuel cell came in handy is the US space program to land on the moon. This technology has been successfully used for nearly fifty years, but due to the high cost of fuel cells, it has not been commercialized after a long period of efforts. Afterwards, the research and development of fuel cells was valued by the defense industry, and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C1/00F22B1/16H01M8/04014H01M8/04089H01M8/0612H01M8/0668
CPCY02E60/50
Inventor 于立军
Owner SHANGHAI JIAO TONG UNIV
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