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Low-nitrogen oxide combustor

A technology of low nitrogen oxides and burners, applied in the direction of burners, gas fuel burners, combustion methods, etc.

Active Publication Date: 2018-11-23
KOREA INST OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it was not possible to confirm the formation of fuel nozzles in the center and the formation of multiple lean / rich flames

Method used

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  • Low-nitrogen oxide combustor
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Embodiment Construction

[0111] Hereinafter, embodiments that can be easily implemented by those skilled in the art will be described in detail with reference to the accompanying drawings. However, in explaining the operating principles of the preferred embodiments of the present invention in detail, if it is considered that a specific description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

[0112] In addition, in all the drawings, the same reference numerals will be used for parts having similar functions and actions. Throughout the specification, when it is mentioned that a certain part is connected to other parts, this includes not only the case of direct connection but also the case of indirect connection via other elements therebetween. In addition, including a certain constituent element means not excluding other constituent elements, but further including other constituent elements, unless otherwise...

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Abstract

The present invention relates to a thermal medium boiler comprising a combustor which includes: a fuel nozzle formed in a center thereof; and a plurality of completely separated fuel nozzles forming aplurality of small fuel lean / fuel rich flames over the entire end surface of the combustor, whereby exhaust gas generated by the flames is recombusted and recirculated to minimize nitrogen oxide (NOx). The combustor has an effect of being structurally simple to realize a basic combustion system without requiring a peripheral device, and of significantly reducing nitrogen oxide (NOx) by dispersingheat and lowering flame temperatures through small split flames, forming an optimized air-fuel ratio flame of each of the small flames, and inducing a fast combustion reaction.

Description

technical field [0001] The invention relates to a low nitrogen oxide burner and a heat medium boiler including the burner. More specifically, it relates to a fuel nozzle formed at the center, and a plurality of small fuel lean / fuel rich flames (fuel lean / fuel rich flames) are integrally formed on the end face of the burner through the plurality of completely separated fuel nozzles, Enables reburning and recirculation of exhaust gases from the flame, minimizing nitrogen oxides (NO X ) low-NOx burner, and a heat medium boiler including the burner. Background technique [0002] The industrial heat medium boiler is a structure in which a pipe with special synthetic oil circulating in a double spiral is installed inside the body and a burner is installed in the center of one side of the body. When the burner is ignited, external air flows in and ignites, and is The ignited hot gas is exhausted through the outside of the 2-3 heavy tubes, and the exhausted smoke has the shape of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C5/02F23C7/00F23D14/58F23C9/06F22B7/00F23J15/08F23C7/02F23C9/00
CPCF22B7/00F23C5/02F23C7/00F23C7/02F23C9/00F23C9/06F23D14/58F23J15/08
Inventor 李昌烨柳美软苏城铉
Owner KOREA INST OF IND TECH