Oxygen-enriched combustion and solid oxide fuel cell hybrid power generating system

A solid oxide and fuel cell technology, applied in the direction of fuel cells, fuel cell applications, fuel cell additives, etc., can solve the problems of turbine combustion loss, system power generation efficiency to be improved, etc., to protect the environment, save energy, and reduce pollution Effect

Pending Publication Date: 2018-07-20
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, the most common thermoelectric conversion device currently uses natural gas to drive the turbine, but the turbine is affected by the Carnot cycle limitation and combustion loss, and the power generation efficiency of the system still needs to be improved

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  • Oxygen-enriched combustion and solid oxide fuel cell hybrid power generating system
  • Oxygen-enriched combustion and solid oxide fuel cell hybrid power generating system

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0032] Such as figure 1 As shown, the system includes: compressor 1, air separator 2, fuel preheater 3, gas preheater 4, reformer 5, solid oxide fuel cell 6, combustor 7, turbine 8, generator 9 . The air enters the air separator 2 after being compressed by the compressor 1 to obtain O 2 and N 2 product, part O 2 After being heated by the gas preheater 4, it enters the solid oxide fuel cell 6, and the other part O 2 into the combustion chamber 7; with CH 4 After the main gaseous fuel is heated by the fuel preheater 3, part of it passes through the reformer 5 to obtain H 2 into the solid oxide fuel cell 6, with O 2 An electrochemical reaction occurs to form a solid oxide fuel cell power generation system; another part of the fuel, CO, O 2 , flue gas and some H in the product of solid oxide...

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Abstract

The invention relates to an oxygen-enriched combustion and solid oxide fuel cell hybrid power generating system, and belongs to the field of power generating systems. The system includes a solid oxidefuel cell, a reformer, a combustion chamber, an electric generator and the like. Air separation is performed to obtain O2 and N2, and a CH4-based fuel is reformed to obtain H2 and CO; H2 and O2 are reacted in the solid oxide fuel cell to form a solid oxide fuel cell power generating system; and a fuel-based gas undergoes oxygen-enriched combustion in the combustion chamber, and generated high-temperature flue gas enters a turbine and does work through expansion to form an oxygen-enriched combustion power generating system. The hybrid power generating system can ensure the power demand of thesystem, also fully utilizes the energy, and improves the power generating efficiency.

Description

technical field [0001] The invention belongs to the field of power generation systems, in particular to a hybrid power generation system of oxygen-enriched combustion and solid oxide fuel cells. Background technique [0002] A solid oxide fuel cell is an energy conversion device that directly converts the energy stored in fuel and oxidant into electrical energy electrochemically. Unlike conventional batteries, the fuel and oxidant of the solid oxide fuel cell are not stored inside the battery, but are stored in a storage tank outside the battery, as long as the fuel and oxidant are continuously input into the solid oxide fuel cell and the reaction is discharged at the same time product, it can generate electricity continuously. Compared with traditional power generation devices, solid oxide fuel cells have the advantages of high operating temperature, high energy conversion efficiency, no or very little emission of pollutants, low operating noise, and a wide range of fuels ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04014H01M8/0612F01D15/10
CPCH01M8/04022H01M8/0618F01D15/10H01M2250/402Y02E60/50
Inventor 谢英柏仲凯
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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