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Burner

A burner and fuel gun technology, applied in burners, gas fuel burners, combustion methods, etc., can solve problems such as unsatisfactory environmental protection effects, increased heat loss, incomplete combustion, etc. reduce the effect of generation

Inactive Publication Date: 2015-11-25
SHANGHAI QIYAO THERMAL ENERGY ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of flue gas recirculation technology has disadvantages such as unstable combustion, incomplete combustion, increased heat loss, etc., and the environmental protection effect is not ideal

Method used

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that representation and description of components and processes that are not related to the present invention and known to those of ordinary skill in the art are omitted from the drawings and descriptions for the purpose of clarity. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the ar...

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Abstract

The invention discloses a burner. The burner comprises a shell body, a burning torch and a center wind passage. The center wind passage is arranged in the shell body. The burning torch is arranged in the center wind passage. The shell body is provided with an air inlet. The center wind passage is connected with the air inlet. The periphery of the center wind passage is provided with at least one smoke protection channel. The smoke protection channel / channels is / are connected with a smoke inlet. A fuel torch / fuel torches is / are arranged in the smoke protection channel / channels. The fuel torch / fuel torches is / are connected with a fuel inlet. A fuel medium passage / passages is / are arranged in the smoke protection channel / channels, so that the fuel density on fire is reduced; the interval on fire is extended; the sectional area of the initial flame is enlarged; the temperature of the flame high-temperature region is effectively decreased. Therefore, the generation conditions of nitrogen oxide are effectively restrained, combustion is full, and the generation of the nitrogen oxide is reduced. Meanwhile, the service life of a temperature-resistant component / components on the head portion / portions of the fuel torch / fuel torches can be greatly prolonged due to the cooling protection of smoke.

Description

technical field [0001] The invention relates to the technical field of combustion, in particular to a burner. Background technique [0002] With the rapid development of my country's industry, industrial energy consumption has increased sharply, and the pollution of the exhaust gas to the environment has become increasingly serious. However, the national environmental protection department has raised the emission standards of smoke to the same level as developed countries. The generated flue gas composition, especially the emission value of nitrogen oxides, is difficult to meet the current emission standards. [0003] The nitrogen oxides produced by combustion are mainly NO. There are three main ways of NO formation in the combustion process, namely rapid type (PromptNO), fuel type (FuelNO) and thermal type (ThermalNO). Among them, the rapid NO and fuel NO are less generated, and the generation of nitrogen oxides in the flue gas is generally reduced by controlling the therma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/26F23D14/58
Inventor 匡建平张世程揭涛陈尚彬刘思远周威刘建华苏毅
Owner SHANGHAI QIYAO THERMAL ENERGY ENG CO LTD
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