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Burner with multiple-pressurizing and mixing device

A mixing device and burner technology, applied in the direction of burners, gas fuel burners, combustion methods, etc., can solve the problems of unfavorable burner combustion performance, difficulty in meeting market needs, and low power, so as to improve the mixing effect and increase Effect of pressure and improvement of combustion performance

Inactive Publication Date: 2017-04-26
吴成年 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gas stoves equipped with upward-inlet burners are difficult to meet market needs due to their low power, especially in the Chinese market
[0005] In addition, in the lower air intake burner equipped with a gas distribution plate, the airflow flowing out from the outlet of the burner head directly enters the cavity of the burner head through the radial air flow channel on the gas distribution plate, and directly enters the cavity of the burner head. At present, there is no more effective way to further improve the pressurized mixing capacity of the airflow in the cavity, which is not conducive to further improving the combustion performance of the burner

Method used

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  • Burner with multiple-pressurizing and mixing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as Figure 1~4 As shown, this embodiment is composed of a burner upper assembly and a burner lower assembly. The burner upper assembly at least includes a burner body and a fire cover. The burner body at least includes a burner outer body 1, a burner inner body 2, and a The burner head cavity 3 between the inner and outer bodies of the burner is provided with 3 radial injectors 2.1 below the inner body 2 of the burner; the lower part of the burner includes at least gas distribution with inlet joints and nozzles device, the structure of which is adapted to the upper part of the burner.

[0038] Multiple pressurized mixing devices are provided outside the cavity 3 of the burner head. The multiple pressurized mixing devices consist of an annular cavity 4.1 arranged on the outer body of the burner and an ejector outlet section 4.3 placed in the annular cavity. , Turbine device 4.2 constitutes, the outlet of this annular cavity communicates with the cavity of the burne...

Embodiment 2

[0043] Such as Figure 5 , 6 As shown, the only difference between this embodiment and Embodiment 1 is that there are no blades on the outer body of the burner, and the turbine device 4.2 is composed of 3 independent blade assemblies 4.2-2a (see Figure 13 ), the independent blade assembly is installed in the annular cavity 4.1 of the outer body of the burner, and the inner body of the burner is connected with the outer body of the burner through screws, and the independent blade assembly is fixed in the annular cavity 4.1 .

[0044] The independent blade assembly in this embodiment can also adopt B-type structure 4.2-2b (see Figure 14 ).

[0045] The outer body of the burner can also adopt other shapes, such as a curved surface (see Figure 12 ).

Embodiment 3

[0047] Such as Figure 7 As shown, the only difference between this embodiment and Embodiment 1 is that the three ejectors uniformly distributed in the radial direction at the bottom of the inner body of the burner have a horizontal channel, and the outer body of the burner has a cylindrical surface and a conical surface. combined.

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Abstract

The invention discloses a burner with a multiple-pressurizing and mixing device. A burner body at least comprises a burner outer side body, a burner inner side body and a burner head cavity. A plurality of ejectors are arranged at the bottom of the burner inner side body, or the burner inner side body is provided with a plurality of radial gas flow channels. The multiple-pressurizing and mixing device comprises an annular cavity arranged on the burner outer side body, ejector outlet sections or radial gas flow channel outlet sections arranged in the annular cavity, and a turbine device. The turbine device comprises a plurality of turbine blades. According to the burner, the multiple-pressurizing and mixing device is arranged, thus gas flow generates backflow, an eddy and swirling flow, the pressure and mixing effects are promoted significantly, and the burning performance of the burner is improved significantly. In addition, a new breakthrough is achieved in pressurizing and mixing technology of gas burners, the burner is suitable for an up-air-inlet burner and is also suitable for a down-air-inlet burner, and application is wide. A gas stove provided with the burner disclosed by the invention can meet the requirements of an energy-saving environment-friendly stove.

Description

technical field [0001] The invention relates to a combustor, in particular to a combustor with multiple booster mixing devices. Background technique [0002] In the field of gas stoves, the upward air intake burner has been widely valued for its unique air supply method. The embedded gas stove equipped with the upward air intake burner can avoid accidental flameout and backfire caused by opening and closing the cabinet door. Hidden danger. [0003] At present, whether it is an upward-inlet burner with a vertical ejection structure or a radial ejection structure, the outlet end of the ejector is directly connected to the cavity of the burner head. Due to structural constraints, the length of the ejector is relatively short, resulting in The ejection effect is not ideal; in addition, there is no more effective way to further improve the pressurized mixing capacity of the airflow entering the cavity of the burner head. Therefore, it is difficult to increase the power of the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/04F23D14/62F23D14/46
Inventor 吴成年
Owner 吴成年