Cooling gas distribution device suitable for high-frequency plasma torch

A high-frequency plasma and cooling gas technology, applied in the direction of plasma, electrical components, etc., can solve the problems of frequent replacement of quartz tube walls, troubles in production experiments, and easy explosion, so as to reduce the work of frequent replacement of quartz tubes and stabilize The effect of fast air intake and uniform air intake

Pending Publication Date: 2019-11-01
贵州正业龙腾新材料开发有限公司
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a cooling gas distribution device suitable for high-frequency plasma torches, so as to solve the problem that the quartz tubes of high-frequency plasma torches in

Method used

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  • Cooling gas distribution device suitable for high-frequency plasma torch
  • Cooling gas distribution device suitable for high-frequency plasma torch

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Example Embodiment

[0018] Below in conjunction with accompanying drawing and specific embodiment the invention is further introduced:

[0019] refer to figure 1 and figure 2 , a cooling gas distribution device suitable for high-frequency plasma torches, including an upper copper head 1, the upper copper head 1 and the lower copper head 2 are threaded, the upper copper head 1 and the lower copper head 2 It is a hollow structure, the inner wall of the hollow structure is provided with internal threads, and the outer wall of the inner quartz tube 3 is wrapped with thermal insulation asbestos, and then clamped on the inner threads of the inner wall of the hollow structure of the upper copper head 1 and the lower copper head 2, and the outer quartz tube 4 Wrapped with thermal insulation asbestos, it is clamped on the internal thread at the lower end of the hollow structure of the lower copper head 2, and the material gas pipe 5 is clamped in the center of the upper copper head 1, and the gas outlet...

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Abstract

The invention discloses a cooling gas distribution device suitable for a high-frequency plasma torch. The gas outlet of a gas pipe extends to the lower end of an inner quartz tube, an upper gas pipe aand an upper gas pipe b pass through the side wall of an upper copper pipe to be in contact with the inner quartz tube, a side axial gas pipe a and a side axial gap pipe b pass through the side wallof a lower copper pipe to be in contact with the inner quartz tube, a lower gas pipe a and a lower gas pipe b pass through the side wall of the lower copper head to be in contact with an outer quartztube, a side tangential gas pipe a and a side tangential gas pipe b pass through the side wall of the lower copper head to be in contact with the inner quartz tube, and the tangential gas pipe a and the side tangential gas pipe b are tangent with the pipe wall of the inner quartz tube. The air inlet volume of the cooling gas is regulated and controlled by a gas flowmeter to achieve the purposes that cooling at the inner wall of the quartz tube rapidly reduces the lateral temperature of the plasma flame and the quartz tube is not explored by the plasma flame at a high temperature, and to ensurethat the plasma flame is not disturbed by the air stream impact.

Description

technical field [0001] The invention belongs to the technical field of high-temperature reaction equipment, and in particular relates to a cooling gas distribution device suitable for a high-frequency plasma torch. Background technique [0002] In the design of high-frequency plasma torches, quartz tubes are often used as plasma torch confinement equipment due to their excellent thermal shock performance. It is still easy to burst, resulting in frequent replacement of the quartz tube wall, which brings great trouble and inconvenience to production experiments. The cooling system design of the torch not only needs to consider the disturbance of the cooling gas to the plasma torch, but also needs to fully ensure that the quartz tube wall is not cracked by thermal shock, and the direction of the airflow and the arrangement of the air inlet must be properly designed. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a...

Claims

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Application Information

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IPC IPC(8): H05H1/28
CPCH05H1/28
Inventor 高跃生王翔杨军沈志平袁江文代礼彬欧阳昌伟聂矗夏锐倪凯凯梁烛秦欣
Owner 贵州正业龙腾新材料开发有限公司
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