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Combustion of gaseous fuel

A technology of gas fuel and gas, which is applied in the direction of gas fuel burners, burners, combustion methods, etc., can solve problems such as bad, global temperature rise, and increased concentration

Inactive Publication Date: 2006-08-02
COMPACTGTL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It is recognized that the release of carbon dioxide into the air as a result of the combustion of fossil-based fuels such as coal, methane or gasoline, has an adverse effect on the Earth's climate in the long run by increasing the concentration of carbon dioxide in the atmosphere, leading to an increase in global temperature

Method used

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  • Combustion of gaseous fuel
  • Combustion of gaseous fuel
  • Combustion of gaseous fuel

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Embodiment Construction

[0029] now refer to figure 1 , which shows a combustion device 10 for gaseous fuel, wherein the gaseous fuel can be methane, or a mixture of hydrogen and carbon monoxide obtained by gasification of coal or other fossil fuels. Apparatus 10 incorporates a small reactor 12 that forms two sets of gas flow channels 14 and 15 that alternate with each other and have good thermal contact ( figure 2 The reactor is described in detail). Removable metallic thermally conductive inserts are provided in each flow channel 14, 15, coated with ceramic, the insert in flow channel 14 initially comprising particles of metallic cobalt, and the insert in flow channel 15 comprising cobalt oxide particle. The reactor 12 incorporates a header 18 in communication with the flow channel 14 and incorporates a header 19 in communication with the flow channel 15 .

[0030]In a first phase of operation, gaseous fuel is supplied through valve 20 to inlet header 19 into flow channel 15 while air is supplie...

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Abstract

A fuel gas is passed into one set of channels in a compact reactor (12) consisting of a plurality of metal sheets (41) arranged to define first and second gas flow channels (14 and 15), the channels being arranged alternately to ensure good thermal contact between the gases in them and each channel containing a removable metallic heat conducting insert (44) coated with a ceramic. In the set of channels carrying the fuel the ceramic supports particles of a transition metal oxide, which is reduced by the combustion gas to form metal particles. In the other set of channels the ceramic supports particles of a transition metal, and these channels carry a flow of an oxidizing gas, which oxidises the metal. The flows to the two sets of channels are then exchanged. If the oxidizing gas is steam, the result is a stream of pure hydrogen.

Description

technical field [0001] The invention relates to a gas fuel combustion device and method, which can be used to produce hydrogen. Background technique [0002] Fuel cells consume hydrogen and oxygen to provide clean energy to motor vehicles. This places demands on the hydrogen production process to be efficient and correspondingly clean. Steam reforming is a common method for hydrogen production. The main process steps include steam and hydrocarbons in the presence of a catalyst to form hydrogen and carbon oxides. However, the subsequent process steps required to separate the hydrogen from carbon oxides and impurities are complex and costly. At the same time it is difficult to separate the hydrogen from the combustion gases that are formed when fuels such as fossil-based hydrocarbons or solid biomass gasify with air. The present invention enables the formation of pure hydrogen while overcoming the aforementioned difficulties. [0003] It is recognized that the release of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/24F23D14/18
Inventor M·J·波维
Owner COMPACTGTL