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Industrial furnace

An industrial furnace, a technology for burning waste gas, applied in the field of industrial furnaces

Active Publication Date: 2018-10-23
CHUGAI RO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the invention disclosed in Patent Document 2 has restrictions on the type of furnace used and the conditions of use, and it is difficult to use it in various furnaces and under various conditions.

Method used

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  • Industrial furnace
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Experimental program
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Embodiment Construction

[0035] Hereinafter, the industrial furnace which concerns on embodiment of this invention is demonstrated in detail based on drawing. In addition, the industrial furnace of this invention is not limited to the apparatus shown in the following embodiment, It can change suitably and implement in the range which does not change the idea of ​​invention.

[0036] here, in figure 1 In the industrial furnace of the illustrated embodiment, the burner 12 is installed on the furnace wall 11 of the furnace 10, and fuel gas such as hydrocarbon (HC) gas is supplied to the burner 12 through the fuel gas supply pipe 21. And the combustion air heated by the heat of the combustion exhaust gas in the first heat exchange element 31 and the second heat exchange element 32 described later is supplied to the above-mentioned burner 12 through the combustion air supply pipe 22, and In the furnace 12, the fuel gas is mixed with the heated combustion air, and the fuel gas is combusted in the furnace 1...

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Abstract

An industrial furnace wherein combustion gas and combustion air are mixed and burned within the furnace by a combustion burner, and the combustion exhaust gas, after combustion, is discharged from thefurnace through an exhaust pipe. This industrial furnace is provided with: an exhaust gas processing unit that has an exhaust pipe with a three-way catalyst housed therein; a first heat-exchanging unit that is located at a position upstream from the exhaust gas processing unit in the combustion exhaust gas discharge direction so as to heat the combustion air using the heat of the combustion exhaust gas; and a second heat-exchanging unit that is located at a position downstream from the exhaust gas processing unit in the combustion exhaust gas discharge direction so as to heat the combustion air using the heat of the combustion exhaust gas led from the exhaust gas processing unit.

Description

technical field [0001] The present invention relates to an industrial furnace. In this industrial furnace, fuel gas and combustion air are supplied to the burner, the fuel gas is burned in the furnace by the burner, and the combustion waste gas after combustion passes through the exhaust gas from the furnace. Trachea and expelled. In particular, it relates to an industrial furnace characterized in that when fuel gas and combustion air are supplied to the burner as described above, and the fuel gas is burned in the furnace by the burner, harmful nitrogen oxides are contained in the combustion exhaust gas (Hereinafter referred to as NOx), in the state where unburned component gases such as CO gas and hydrocarbon gas (HC) are also contained, the combustion exhaust gas can be prevented from being discharged to the outside through the exhaust pipe, and the heat of the combustion exhaust gas can be effectively discharged. use. Background technique [0002] In the past, in indust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23L15/00F23G7/06F23J15/00F23J15/08
CPCF23J15/00F23J15/08F23L15/00F23G7/06Y02E20/34F23L15/04F23J2219/10
Inventor 川端健介有松毅惠上寿雄
Owner CHUGAI RO CO LTD