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Fuel gas processing apparatus

A technology for fuel gas and processing equipment, which is applied in chemical/physical processes, inorganic chemistry, chemical instruments and methods, etc., and can solve problems such as lowering, flammability and temperature increase, and heating of the main body of the heating section.

Inactive Publication Date: 2008-02-06
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, there is a risk of reduced ignitability, combustibility and temperature rise
In particular, when the catalytic combustion part including the catalyst for catalytic combustion of the fuel gas processing equipment is used as the warming part main body, if moisture adheres to the reaction site of the catalyst, there is a risk that the catalytic activity will be lowered, and there is a risk of increased temperature. Danger of reduction in heating performance of the main body of the warming part

Method used

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  • Fuel gas processing apparatus
  • Fuel gas processing apparatus
  • Fuel gas processing apparatus

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Embodiment Construction

[0033] Embodiments of the present invention are described below. The fuel gas processing facility includes a gas supply section for supplying fuel gas, a catalytic combustion section for oxidizing the fuel gas using a catalyst, and a carbon monoxide reducing section in which the fuel gas sometimes contains carbon monoxide. The fuel gas may contain hydrogen (for example, 10 mol% or more) and carbon monoxide as main components. Hydrogen has a small specific gravity and viscosity, and a high diffusion coefficient. In addition, hydrogen has good ignitability and combustibility at low temperatures. Furthermore, hydrogen has a high combustion rate. Combustion of hydrogen produces water. The carbon monoxide reducing part reduces the amount of carbon monoxide contained in the fuel gas to purify the fuel gas before the fuel gas is supplied to the catalytic combustion part. Through the above operation, the ignitability in the catalytic combustion part can be improved.

[0034] The ...

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Abstract

A fuel gas processing apparatus includes a gas supply portion for supplying a fuel gas containing carbon monoxide and a catalytic combustion portion for catalytically oxidizing the fuel gas supplied from the gas supply portion. The fuel gas processing apparatus includes a carbon monoxide reduction portion for reducing the amount of carbon monoxide contained in the fuel gas before the fuel gas is supplied to the catalytic combustion portion to enhance combustibility of the catalytic combustion portion.

Description

technical field [0001] The present invention generally relates to a fuel gas treatment plant. Background technique [0002] Conventionally, there is known a fuel gas processing apparatus including a gas supply section for supplying fuel gas and a catalytic combustion section for combusting the fuel gas with a catalyst. Such fuel gas processing equipment can be applied to a conventional reformer, including a reforming section that steam-reforms materials for reforming to produce reformed gas, and a carbon monoxide (CO) reducing section for reducing The amount of carbon monoxide contained in the reformed gas produced in the reforming section. In this reformer, the reformed gas (fuel gas) generated in the reformer (gas supply unit) is oxidized and burned in the catalytic combustion unit. At this time, when the reformer is started, the catalytic The combustion section may function as a heating section to heat the reforming section, the CO reduction section, and the like. Such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/32C01B3/38C01B3/48B01J8/04B01J8/06
CPCY02E60/50
Inventor 尾沼重德桑叶孝一天野隆石川贵史吉口仁工匠厚至
Owner TOYOTA JIDOSHA KK