Multi-tube type gas spray gun
A multi-tube, gas-fired technology, applied in the direction of burners, combustion methods, combustion types, etc., can solve problems such as high center temperature, increased cost, complex product structure, etc., achieve uniform flame temperature, reduce production, and simple structure Effect
Inactive Publication Date: 2014-10-08
江西中船航海仪器有限公司
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Problems solved by technology
[0002] Traditional gas burners are generally single-tube or multi-tube advection burners. The angle between gas and air flow is small, the mixing effect is poor, the flame is thin and long, and the center temperature is high, which is conducive to nitrogen oxides (NO X )generate
In addition, traditional gas burners are equipped with pressure equalization chambers, which not only complicates the product structure, increases costs, but also presents the risk of gas leakage
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[0015] It includes a gas spray gun main pipe 1 and a gas spray gun branch pipe 2. The gas spray gun branch pipe 2 is arranged on the downstream pipe wall of the 2 / 3 length of the gas spray gun main pipe and communicates with the gas spray gun main pipe 1.
[0016] The diameter of the main pipe 1 of the gas spray gun and the branch pipe 2 of the gas spray gun is determined according to the gas flow rate in the pipe of 30m / s-45m / s.
[0017] The number of branch pipes 2 of the gas spray gun is generally not less than 4, and the ends are closed. Several gas injection holes are opened on the side facing the axis of the air distributor.
[0018] The included angle between the axis of each gas spray gun branch pipe 2 gas injection holes and the axis of the air distributor is 90°.
[0019] 1. Structure
[0020] The structural features are:
[0021] a) Each gas injection hole is set on each gas branch pipe, and the gas branch pipe is connected with the gas main pipe, and t...
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A multi-tube type gas spray gun comprises a main gas spray gun tube. A flame stabilizing device is connected to the tail end of the main gas spray gun tube, a plurality of Branch L-shaped gas spray gun tubes are connected to the two thirds part of the main gas spray gun tube in the radial direction, spray tubes are connected with the tail ends of the branch gas spray gun tubes, the tail ends of the spray tubes are connected with sealing plates which are provided with a plurality of axial spray holes, the sides, facing the main gas spray gun tube, of the tail end faces of the spray tubes are provided with a plurality of radial spray holes, the axes of the spray tubes are parallel to the axis of the main gas spray gun tube, and the spray tubes are arranged on the outer side of the flame stabilizing device. The multi-tube type gas spray gun has the advantages that flames are scattered and are short, thick and even in temperature, and the accumulation of temperature-type nitric oxide can be reduced. Furthermore, the multi-tube type gas spray gun is simple in structure, low in cost and good in safety.
Description
technical field [0001] The invention relates to a multi-tube gas spray gun. Background technique [0002] Traditional gas burners are generally single-tube or multi-tube advection burners. The angle between gas and air flow is small, the mixing effect is poor, the flame is thin and long, and the center temperature is high, which is conducive to nitrogen oxide (NO X )generate. In addition, traditional gas burners are equipped with pressure equalization chambers, which not only complicates the product structure, increases costs, but also presents the risk of gas leakage. Contents of the invention [0003] The purpose of the present invention is to provide a multi-tube gas spray gun, which has the characteristics of dispersed flame, short and thick flame, uniform flame temperature, and can reduce the generation of temperature-type nitrogen oxides, and has a simple structure, low cost and good safety. . [0004] The technical solution adopted to achieve the above purpos...
Claims
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IPC IPC(8): F23D14/20F23D14/58
Inventor 刘太孝王进武罗娜余秀宇解钦远
Owner 江西中船航海仪器有限公司