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High-efficiency fuel cell combined cycle process system for burning coke oven gas

A fuel cell and coke oven gas technology, which is applied in thermal equipment and its systems, chemical technology, and comprehensive energy supply and demand fields, can solve problems such as energy loss, bad chemical components of thermal energy, etc., and achieve clean utilization, easy compact layout, and flexible control Effect

Inactive Publication Date: 2016-09-14
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This way of using energy not only causes huge energy loss, but also puts great pressure on the environment due to the accumulation of heat energy and the undesirable chemical components in the flue gas.

Method used

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  • High-efficiency fuel cell combined cycle process system for burning coke oven gas
  • High-efficiency fuel cell combined cycle process system for burning coke oven gas
  • High-efficiency fuel cell combined cycle process system for burning coke oven gas

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Embodiment Construction

[0036] A high-efficiency fuel cell combined cycle system for burning coke oven gas of the present invention, the system includes:

[0037] The coke oven gas conversion-power generation sub-system is used to convert fuel COG into high-temperature and high-pressure gas through SOFC reforming hydrogen and gas turbine post-combustion COG, and make it generate electricity through gas turbine pressure relief. The specific process arrangement is as follows: the solid oxide fuel cell (b) has a fuel inlet (1) and a clean air inlet (3), and its reacted gas outlet (4) is connected with the gas turbine combustor (d), and the generated electric energy It is directly used for industrial loads; the compressor (c) of the gas turbine unit is coaxially arranged with the gas turbine (e) and connected to the generator set (f); the inlet air of the compressor and the clean air of the solid oxide fuel cell share the same gas Source, the high-pressure air outlet (5) leads to the combustion chamber; ...

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Abstract

The invention discloses a high-efficiency fuel cell combined cycle technology system with combustion of coke oven gas, wherein the system is a novel high-efficiency thermodynamic cycle system with hydrogen energy preparation, storage and utilization and a fuel cell technology as cores and with combination of a combined cooling heating and power technology, and includes a coke oven gas conversion-electricity generation subsystem, a fuel gas heat exchange-steam electricity generation subsystem and a lithium bromide absorption refrigeration subsystem. At the same time, industrial by-product gas is used as a characteristic fuel, and has the advantages of cleanness, high efficiency, novelty, larger research development and application values and the like. Based on a hydrogen enrichment characteristic of the coke oven gas (COG) and a hydrogen-using characteristic of a solid oxide fuel cell (SOFC), and with combination of combined cooling heating and power (CCHP) system properties of high energy efficiency, rational energy-using situation and rich power production species, the high-efficiency fuel cell combined cycle system (COG-SOFC / CCHP) with combustion of the coke oven gas is provided and is the high-efficiency energy system which can meet various energy demands of users.

Description

technical field [0001] The invention belongs to the technical field of thermal equipment and its system, in particular to the field of chemical technology and comprehensive energy supply and demand based on coal coking. Background technique [0002] (1) Rational use of technology by COG [0003] Although oil and natural gas have become the most important form of energy supply today, due to the limitation of reserves and utilization models, the energy status of coal is still very important. Coal still dominates the development and supply of the energy industry in a certain period of time and in the region. chain. At the same time, steel, as the blood of heavy industry, must occupy a very important position in traditional industries, and the smelting industry of steel needs the support and supply of the coal industry. Therefore, the coal and iron and steel industries are still the main industries of industrial energy consumption, energy consumption and production capacity. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04F02C6/18H01M8/06
CPCF02C6/18H01M8/0612H01M8/22Y02E20/14Y02E60/50Y02P70/50
Inventor 赵洪滨刘畅江婷
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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