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Flameless burner with precise air distribution and flameless burning method

A flameless combustion and air distribution technology, applied in combustion methods, burners, gas fuel burners, etc., can solve the problems of high flame surface temperature, low heat transfer efficiency, high NOx emissions, etc.

Pending Publication Date: 2022-05-13
SHANDONG XIANGHUAN ENVIRONMENTAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current gas burners mostly use the combustion method of luminous flame. Compared with the flameless combustion method, luminous flame combustion has the following disadvantages: 1. The temperature field is unevenly distributed, and the temperature at the flame surface is high; Noise; 3. The heating process of the furnace is uneven and the heat transfer efficiency is low; 4. Compared with the flameless combustion method, the NOx emission of flame combustion is high

Method used

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  • Flameless burner with precise air distribution and flameless burning method
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  • Flameless burner with precise air distribution and flameless burning method

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Embodiment Construction

[0035] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0036] In the first aspect, the present invention provides a flameless burner with precise air distribution, which includes a casing and gas pipe assemblies arranged side by side, wherein,

[0037] The gas pipe assembly is fixedly arranged inside the housing, the inside of the gas pipe is surrounded by a gas passage, and the gas pipe is surrounded by an air passage;

[0038] The casing encloses a high-temperature gas channel and a high-temperature air channel, and the gas distribution chamber of the high-temperature gas channel is a chamber with uniform diameter expansion and communicates with each gas pipe;

[0039] The air distribution chambe...

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Abstract

According to the precise air distribution flameless combustor and the flameless combustion method, after high-temperature gas flows into a shell, the high-temperature gas is evenly dispersed in a gas distribution chamber, and then the high-temperature gas evenly enters gas pipes; after flowing into the shell, high-temperature air is uniformly dispersed in the air distribution chamber and uniformly enters each air passage; high-temperature fuel gas flowing out of the fuel gas pipe and high-temperature air flowing out of the air channel are evenly mixed and pre-combusted in the pre-combustion chamber and then sprayed out of the shell, and a flameless combustion area is formed.

Description

technical field [0001] The invention relates to the technical field of burners, in particular to a flameless burner with precise air distribution and a flameless combustion method. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The burner is an important equipment of the gas combustion furnace. It ensures the stable ignition of the gas and the complete combustion of the gas. Therefore, the burner must be used to suppress the generation of NOx. Low nitrogen oxide burners are roughly divided into stage burners, recirculation burners, rich-lean burners, split flame burners, mixing promotion burners, and low NOx pre-chamber burners. The way to control NOx is mainly to reasonably reduce the combustion flame temperature and reduce the oxygen content. [0004] The current gas burners mostly use the combustion method of luminous flame. Compared with the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/02F23D14/46F23D14/70F23D14/62
CPCF23D14/02F23D14/46F23D14/70F23D14/62F23D2203/007
Inventor 朱振坤马阳马春元朱子霖宋德升
Owner SHANDONG XIANGHUAN ENVIRONMENTAL TECH CO LTD
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