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High velocity flame spray gun

A supersonic flame and spray gun technology, which is applied to spray devices, molten spray plating, liquid spray devices, etc., can solve the problems of scouring damage to the inner side of the barrel and high powder hardness, so as to prolong the service life, improve the impact resistance and wear resistance. good effect

Pending Publication Date: 2021-09-24
湖南西爱斯流体控制设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the extremely high flow rate of the powder in the flame flow and the high hardness of the powder, the inner surface of the barrel is easily damaged by erosion.

Method used

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  • High velocity flame spray gun

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] The object of the present invention is to provide a supersonic flame spray gun for prolonging the service life of the gun barrel.

[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 As shown, this embodiment provides a supersonic f...

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Abstract

The invention discloses a high velocity flame spray gun. The high velocity flame spray gun comprises a combustion chamber and a gun barrel which are fixedly connected, wherein the combustion chamber and the gun barrel communicate to form a flame channel, and powder feeding nozzles are distributed on the flame channel; and the gun barrel is made of an aluminum alloy, and an aluminum oxide layer is arranged on the inner surface of the gun barrel. Compared with the prior art, according to the high velocity flame spray gun, the gun barrel made of the aluminum alloy is selected, the aluminum oxide layer is formed on the inner surface of the gun barrel, and the impact resistance of the inner side surface of the gun barrel to powder is improved by utilizing the characteristics of good hardness and wear resistance of the aluminum oxide layer, so that the service life of the gun barrel is prolonged.

Description

technical field [0001] The invention relates to the technical field of supersonic oxygen flame spraying, in particular to a supersonic flame spray gun. Background technique [0002] Hypersonic Oxygen Flame Spraying (HVOF) is a high-temperature and high-pressure flame flow produced by burning propane, propylene and other hydrocarbon gases or liquid fuels such as aviation kerosene and alcohol with high-pressure oxygen in a combustion chamber or a special nozzle, and will be blown along the axial or The spraying powder fed radially into the flame flow is melted, and its high-speed impact is formed on the surface of the substrate to be sprayed to form a deposited coating. The supersonic flame spray gun is an important part of the supersonic oxygen flame spraying system. [0003] A supersonic flame spray gun usually includes a combustion chamber and a barrel, and the combustion chamber communicates with the barrel to form a flame channel. Liquid fuel or gaseous fuel is mixed wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B7/20
CPCC23C4/129B05B7/205
Inventor 陈华松陈飞鹏魏煕陈浩许力强陈宇潜
Owner 湖南西爱斯流体控制设备有限公司