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Firing furnace and method for firing

A firing furnace and combustion gas technology, applied in the direction of separation methods, chemical instruments and methods, furnaces, etc., can solve the problems of reducing carbon dioxide emissions and not recovering the heat of combustion exhaust gas, so as to reduce the total consumption, reduce carbon dioxide content, Eliminates exothermic effects

Inactive Publication Date: 2009-08-05
NGK INSULATORS LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] In this regard, for firing furnaces such as firing ceramics, which are relatively small-scale industrial furnaces, there is still no good strategy for recovering the heat of combustion exhaust gas and good strategies for reducing carbon dioxide emissions. The heated body (fired body) Combustion gases containing carbon dioxide used for heating are still discharged into the atmosphere as exhaust gases

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  • Firing furnace and method for firing
  • Firing furnace and method for firing
  • Firing furnace and method for firing

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Embodiment Construction

[0052] Below, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to the following embodiments, within the scope not exceeding the purpose of the present invention, according to the common knowledge of this field, the present invention can be properly designed and changed , improvement, etc. should be understandable.

[0053] figure 1 It is a block flow diagram schematically showing one embodiment of the firing furnace of the present invention. and, figure 1 The arrows in indicate the moving state of various fuels, combustion exhaust gas, water vapor, and other substances.

[0054] Such as figure 1 As shown, the kiln 100 of this embodiment has: a combustion device 2 that burns the fuel containing methane that has flowed in to generate combustion gas, and uses the combustion gas to heat the to-be-sintered body loaded into it to make it While firing, the above-mentioned com...

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Abstract

The present invention provides a firing furnace (100), which has: a combustion device (2) for burning a fuel (11), a firing furnace main body (1) for firing a body to be fired and discharging combustion gas; Utilize the combustion gas to heat the reforming raw material (23) composed of methane auxiliary fuel (21) and water vapor (22) for reforming, while utilizing the methane reforming catalyst (6) filled inside to make the reforming raw material (23) react , thereby generating the methane reformer (3) of the reformed gas (24) containing hydrogen and carbon dioxide. Furthermore, the present invention provides a firing furnace capable of reducing fuel costs.

Description

technical field [0001] The present invention relates to a sintering furnace and a sintering method, and more particularly relates to a method for greatly reducing the carbon dioxide content in the combustion exhaust gas when the combustion gas containing carbon dioxide obtained by burning methane-containing fuel is discharged as the combustion exhaust gas A firing furnace and a firing method that can effectively utilize the heat of recovered combustion gas and further reduce fuel costs. Background technique [0002] Conventionally, industrial furnaces have been widely used as devices for heating objects to be heated in various industrial fields. Among these industrial furnaces, there are industrial furnaces that heat a heated body by burning a fuel containing carbon, and generate high-temperature combustion gas containing carbon dioxide at the same time as the fuel is burned. Then, the generated combustion gas is discharged to the outside (hereinafter, the combustion gas di...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/62H01M8/06F27D17/00H01M8/0662H01M8/0668
CPCY02E60/50
Inventor 藏岛吉彦半泽茂日高道孝本多俊彦
Owner NGK INSULATORS LTD