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A two-stage protective air hole type atmospheric supersonic plasma spraying device

A supersonic plasma and air hole protection technology, which is applied in coating, fusion spraying, metal material coating process, etc., can solve the problems of high cost and large size of spraying, achieve simple structure, reduce the possibility of oxidation, and facilitate inspection Effect

Active Publication Date: 2018-07-17
ACADEMY OF ARMORED FORCES ENG PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the existing supersonic plasma spraying device, such as high spraying cost, large size, and the ability to spray large-scale equipment outdoors, and provide a two-stage protective air hole type atmospheric supersonic plasma spraying device

Method used

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  • A two-stage protective air hole type atmospheric supersonic plasma spraying device
  • A two-stage protective air hole type atmospheric supersonic plasma spraying device
  • A two-stage protective air hole type atmospheric supersonic plasma spraying device

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0033] like figure 1 As shown, the present invention provides a two-stage protective pore type atmospheric supersonic plasma spraying device, comprising a gun seat 1, a gun body pressure cap 2, a gun body 3, an insulator 4, a gas swirl ring 5, a powder feeding frame 6, Nozzle pressure cap 7, anode nozzle 8, diversion structure 9, cathode head 10, rear insulator 11, water inlet 12, plasma gas inlet 13, water outlet 14, cathode body 15, entire gasket 16, rear insulation pressure cap 17, Cathode body pressure cap 18 .

[0034] like figure 2 , image 3 , Figure 4 As shown, the anode nozzle 8 is in the shape of a body of revolution, its front end is cylindrical, and a central through hole 801 is provided at the central axis of the anode nozzle 8, and the anode nozzle 8 is al...

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Abstract

The invention discloses a two-segment protection air hole type atmosphere supersonic plasma spraying device. The two-segment protection air hole type atmosphere supersonic plasma spraying device is characterized by further comprising an anode sprayer; the front end of the anode sprayer is cylindrical; a center through hole is formed; the anode sprayer is further provided with protection air holes and powder conveying holes; the inlet ends of the protection air holes are arranged on the cylindrical face of the anode sprayer; the outlet segments of the protection air holes are arranged on the front end face of the anode sprayer; the protection air holes comprise the first-segment air hole and the second-segment air hole; the axis of the first-segment air hole and the axis of the center through hole form an acute angle alpha; the axis of the second-segment air hole is parallel with the axis of the center through hole; the inlet ends of the powder conveying holes are arranged on the cylindrical face of the anode sprayer; the outlet ends of the powder conveying holes are communicated with the center through hole; and the axis of each powder conveying hole is perpendicular to the axis of the center through hole. The two-segment protection air hole type atmosphere supersonic plasma spraying device is simple in structure and not provided with a solid cover, it is not needed to additionally install a water cooling device, installing, dismantling and checking are convenient, the jet flow temperature and the particle spraying temperature can be lowered, and the particle spraying oxidization possibility is reduced.

Description

technical field [0001] The invention relates to the technical field of coating preparation, in particular to a two-stage protective air hole type atmospheric supersonic plasma spraying device. Background technique [0002] Because titanium has excellent corrosion resistance, mechanical properties and process properties, it is widely used in many sectors of the national economy, but the high price of titanium limits its wider and low-cost application. According to statistics, in 2013, the output of sponge titanium in my country was 80,000 tons, and the amount of titanium alloy corrosion resistance used in the amount of titanium materials reached more than 60%, including chemical industry, ocean, ship, salt industry, etc. The consumption of titanium materials is huge, how to reduce the consumption of titanium materials has always been a difficult problem in the industry. The preparation of Ti coating by thermal spraying is an effective way to reduce the consumption of titaniu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/134
Inventor 张伟刘明王海军王思捷汪勇姜祎
Owner ACADEMY OF ARMORED FORCES ENG PLA
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