Atmosphere supersonic speed plasma spraying device with two-section type protection air holes
A supersonic plasma, pore protection technology, applied in coating, fusion spray plating, metal material coating process, etc., can solve the problems of high spraying cost and large size, achieve simple structure, reduce the possibility of oxidation, reduce temperature Effect
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[0033] 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.
[0034] Such as figure 1 As shown, the present invention provides an atmospheric supersonic plasma spraying device with a two-stage protective gas hole, comprising a gun seat 1, a gun body pressure cap 2, a gun body 3, an insulator 4, a gas swirl ring 5, and 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, whole gasket 16, rear insulation pressure cap 17. Cathode body pressure cap 18.
[0035] Such as 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...
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