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Gas burner with low NOX

A gas burner and combustion-supporting air technology, applied in the direction of gas fuel burners, burners, combustion methods, etc., to achieve the effects of reducing the excess air coefficient of combustion, reducing the peak temperature, and reducing NOX and other pollutants

Active Publication Date: 2012-10-10
SHANGHAI WISEBOND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the inventor invented and applied for a patent before, it can also reduce NO X The effect generated, such as the "super-mixing device for industrial burner gas fuel and combustion air" disclosed in Chinese patent ZL200720070961.5 and the "low NO X Staged and segmented combustion devices", but the pollutants, especially nitrogen oxides, produced by these inventions cannot meet the increasing environmental protection requirements

Method used

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  • Gas burner with low NOX

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 As shown, the present invention has low NO X The gas burner includes a central tube 1, an ignition gun 2, a swirler 3, a main fuel gun 4, a secondary fuel gun 5 and an outer shell 6, wherein the main body of the swirler 3 is composed of an inner cylinder 31, an outer cylinder 32 and blades 33 Composition, the blade 33 is connected between the inner cylinder 31 and the outer cylinder 32, the central tube 1 is set at the central position of the inner cylinder 31 through the supporting foot 7, and the ignition gun 2 is connected with the central tube 1 through the mounting bracket 8.

[0017] The combustion-supporting air of the present invention is arranged as follows: the central pipe 1 is provided with the first-stage combustion-supporting air, and the second-stage combustion-supporting air is provided between the central pipe 1...

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Abstract

The invention relates to the technical field of clean gas burning, in particular relates to a gas burner with low NOX, which aims to further reduce the pollutants, especially the generating amount of NOX caused by the gas burner, and simultaneously improves the efficiency of a whole boiler. The gas burner disclosed by the invention integrates the technologies of enhancement of the mixing of gas and combustion air, graded and sectioned burning, burning of thick gas and thin gas, smoke circulation and the like, and can enhance the mixing of the gas and the combustion air so as to achieve the beneficial effects that the burning is reinforced, the peak value temperature of burning flame is reduced, and further the excess air coefficient of the burning is reduced, and the pollutants such as NOX and the like can be reduced to be minimum.

Description

technical field [0001] The invention relates to the technical field of gas clean combustion, in particular to a low NO X gas burner. Background technique [0002] Increasing environmental protection requirements, a large number of gas imports and successively discovered gas fields provide the necessary conditions for the development of gas burners; in addition, gas burners have the advantages of safety, high efficiency, low pollution, and easy operation, which inject strong impetus into market demand , thus bringing vitality to the development of gas burners. Gas burners have made considerable progress since they were applied, but there is still a certain distance between their pollutant emissions and excess air coefficients and the ideal goals. People are still trying to find various ways to reduce pollutant emissions and excess air coefficients. technical means. [0003] The heat required by industrial boilers and heaters can be provided by burning the mixture of gaseou...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/70F23D14/46
Inventor 杨苏莉陈宝明李晓东
Owner SHANGHAI WISEBOND TECH
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