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Full pre-mixing metal fiber burner

A metal fiber, fully premixed technology, applied in the direction of burners, gas fuel burners, combustion methods, etc., can solve the problem of mixed gas mixing uniformity and poor flow and dispersion effect, and the combustion instability of fully premixed metal burners and other problems, to achieve the effect of uniform gas outlet, stable combustion and low emission

Pending Publication Date: 2017-07-21
北京节能技术监测中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, during the use of the existing fully premixed metal fiber burner, it was found that the mixing uniformity and circulation dispersion effect of the mixed gas in the premixed unit were not good, resulting in unstable combustion of the fully premixed metal fiber burner

Method used

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  • Full pre-mixing metal fiber burner
  • Full pre-mixing metal fiber burner
  • Full pre-mixing metal fiber burner

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Embodiment Construction

[0032] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0033] A fully premixed metal fiber burner, such as figure 1 with Figure 4 As shown, it includes a fan 1, a premixing chamber 2 and a combustion head 3, the air outlet of the fan 1 is connected to the front end of the premixing chamber 2 through a flange, the fan 1 has a fan inner chamber 11, and the fan 1 The motor 12 of 1 is arranged on one side of the fan inner chamber 11; the rear end of the premix chamber 2 is connected to the combustion head 3 through a flange, and the ignition assembly and the gas distribution ring are arranged inside the premix chamber 2 , the ignition assembly is wrapped by a stainless steel shell and connected to the rear end of the premix chamber 2 through a flange square hole, the igni...

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Abstract

The invention discloses a full pre-mixing metal fiber burner. The full pre-mixing metal fiber burner comprises a draught fan, a pre-mixing chamber and a burning head. An air outlet of the draught fan is connected with the front end of the pre-mixing chamber; the rear end of the pre-mixing chamber is connected with the burning head, an ignition assembly and an air distributing ring are arranged in the pre-mixing chamber, the ignition assembly is located at the rear end of the pre-mixing chamber, and the air distributing ring is connected with a fuel gas inlet of the side wall of the pre-mixing chamber; and an air mixing wheel is arranged in the burning head. According to the full pre-mixing metal fiber burner, the mode that a metal fiber surface burning head is additionally provided with an air fuel gas mixing structure is adopted, thus air and fuel gas are mixed twice before burning, mixing is more even, air supplying is sufficient, and generation of NOx and CO is inhibited.

Description

technical field [0001] The invention relates to the technical field of gas burners, in particular to a fully premixed metal fiber burner. Background technique [0002] In boiler manufacturing enterprises, especially for standard three-pass gas-fired boilers, if the traditional burner is used, a large amount of nitrogen and oxygen in the air will be catalyzed to form nitrogen oxides due to the existence of local high temperature, and the emission of nitrogen oxides will have a serious impact on the atmosphere. pollution; while the fully premixed burner fully premixes the fuel and air before combustion, so it has a large degree of complete combustion and higher efficiency. The metal fiber burner that has appeared in recent years is a fully premixed burner, with special metal fibers as the combustion surface, which makes the gas combustion very stable and the temperature distribution is uniform, and there is no local high temperature, so the formation of NOx is suppressed. [...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/46F23D14/62
CPCF23D14/02F23D14/46F23D14/62
Inventor 蒋历民韩捷李文李文明赵建生何磊胡梦捷
Owner 北京节能技术监测中心
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