Grading fuel gas low-nitrogen burner

A low-nitrogen burner and gas technology, applied in the direction of gas fuel burners, burners, combustion methods, etc., can solve problems such as incomplete combustion, unstable combustion, unreasonable distribution of fuel and air, etc., to meet environmental protection requirements, Effect of reducing NOx emissions

Active Publication Date: 2017-03-22
北京水木清源环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing low-nitrogen burners are mainly based on combustion classification and concentrated nitrogen combustion. Due to the unreasonable distribution of fuel and air, it often causes problems such as incomplete combustion, unstable combustion, and nitrogen oxide emissions that do not meet environmental protection requirements.

Method used

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  • Grading fuel gas low-nitrogen burner
  • Grading fuel gas low-nitrogen burner
  • Grading fuel gas low-nitrogen burner

Examples

Experimental program
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Effect test

Embodiment Construction

[0035] figure 1 It is a front view of a staged gas low-nitrogen burner according to an embodiment of the present invention. figure 2 It is a three-dimensional structural schematic diagram of a staged gas low-nitrogen burner according to an embodiment of the present invention. image 3 It is a structural schematic diagram of a distributor body in a staged gas low-nitrogen burner according to an embodiment of the present invention.

[0036] Such as figure 1 shown, see also figure 2 with image 3 , this embodiment takes figure 1 To illustrate mainly, the present invention provides a staged gas low-nitrogen burner, including: a staged gas distributor for providing flow paths for the gas and air. The graded gas distributor includes a distributor body 1 , multiple graded fuel nozzles 2 and a burner barrel 3 . The body of the distributor is a cylinder 11 with a sandwich, the outside of which is a sandwich 14, and the inside is a hollow 15, the sandwich 14 is used for gas accu...

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Abstract

The invention discloses a grading fuel gas low-nitrogen burner and relates to the technical field of burners. The grading fuel gas low-nitrogen burner comprises a grading fuel gas distributor. The grading fuel gas distributor comprises a distributor body, multiple grading fuel spraying pipes and a burner barrel body. The distributor body is a barrel body with an interlayer. Multiple fuel distribution cavities arranged at intervals are formed on the top of the interlayer. The multiple grading fuel spraying pipes and the multiple fuel distribution cavities are in one-to-one correspondence and butt connection. Each fuel distribution cavity and the corresponding grading fuel spraying pipe form a corresponding fuel gas flow path. Fuel gas flows in the corresponding fuel gas flow paths and sprayed out of the corresponding grading fuel spraying pipes in a grading mode. The burner barrel body is formed outside the grading fuel gas distributor and used for providing a mixing and burning site for fuel gas and air. The distributor is provided with the multiple grading fuel spraying pipes to evenly spray out and burn fuel gas in a grading mode, the NOx emission is effectively reduced, and current environmental requirements are met.

Description

technical field [0001] The invention relates to the technical field of low-nitrogen burners, in particular to a staged gas low-nitrogen burner. Background technique [0002] Atmospheric pollution has become a focus of global attention, and one of the main culprits of air pollution is nitrogen oxides. The factors that affect the formation of nitrogen oxides in flue gas can be summarized into three aspects. The first aspect is related to the characteristics of the fuel. The more nitrogen in the fuel, the easier it is to form nitrogen oxides; the second aspect is related to the technical parameters in the combustion process. Related, if the combustion temperature reaches a certain critical temperature, the content of nitrogen oxides increases exponentially with the temperature; the third aspect is related to the type of combustion equipment and burner. In China, with the popularization of gas use and increasingly stringent environmental protection requirements, most power plan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/02F23D14/64F23D14/58F23D14/70F23D14/72
CPCF23D14/02F23D14/58F23D14/64F23D14/70F23D14/72F23D2203/108
Inventor 周浩任雯刘宁王涛许向阳倪云峰
Owner 北京水木清源环保科技有限公司
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