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Ceramic spraying device

A technology of spraying device and ceramics, applied in coating, fusion spraying, metal material coating process, etc., can solve the problems of excessively thick spraying layer and uneven ceramic powder spraying, etc.

Inactive Publication Date: 2014-06-04
无锡市天宇精密陶瓷制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the production of ceramic products, it is often necessary to attach the ceramic powder layer to the surface of metal, glass and other substrates; the existing spraying device, when spraying ceramic powder, the spraying is uneven and the spraying layer is too thick

Method used

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  • Ceramic spraying device

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Embodiment Construction

[0011] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0012] Such as figure 1 As shown, the present invention includes a nozzle 1 made of metal, the front end of the nozzle 1 is connected with a cathode 2, and a DC voltage is added between the nozzle 1 and the cathode 2; in the nozzle 1, an air inlet channel 3 is opened on both sides of the cathode 2; Inside 1, the cathode 2 is axially provided with a flame channel 4 leading to the rear end of the nozzle 1, and the flame channel 4 is connected to the air intake channel 3; inside the nozzle 1, at the outlet of the flame channel 4, there is a powder inlet hole 5, and a powder inlet hole 5 It communicates with flame channel 4.

[0013] When DC voltage is applied to the cathode and the metal nozzle of the present invention, nitrogen, argon, helium or their mixed inert gas is introduced into the intake channel 3 simultaneously, and then ignited i...

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Abstract

The invention relates to a ceramic powder spraying device which comprises a spray nozzle made of metal, wherein the front end of the spray nozzle is connected with a negative electrode; a direct voltage is additionally arranged between the spray nozzle and the negative electrode; air inlet channels are formed in the spray nozzle and in two sides of the negative electrode; a flame channel communicated to the rear end of the spray nozzle is formed in the spray nozzle along an axial direction of the negative electrode and is connected with the air inlet channels; and powder inlet holes are formed in the spray nozzle and in an outlet of the flame channel and are communicated with the flame channel. The spraying device with the structured spray nozzle is controllable in airflow, thin and uniform in coating and simple in process, and can be used for spraying various ceramic coatings of metal oxides, carbides, silicides, borides and the like.

Description

technical field [0001] The invention relates to the field of ceramic production equipment, in particular to a rotary ceramic coating production equipment. Background technique [0002] In the production of ceramic products, it is often necessary to attach the ceramic powder layer to the surface of metal, glass and other substrates; the existing spraying device, when spraying ceramic powder, the spraying is uneven and the spraying layer is too thick. Contents of the invention [0003] In view of the above problems, the applicant has designed a ceramic spraying device with an improved structure. [0004] The technical scheme adopted in the present invention is as follows: [0005] A ceramic spraying device, including a nozzle made of metal, the front end of the nozzle is connected with a cathode, and a DC voltage is applied between the nozzle and the cathode; inside the nozzle, there are air inlet channels on both sides of the cathode; inside the nozzle, the cathode is axia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/12C23C4/10C23C4/129C23C4/131C23C4/134
Inventor 朱洪卿
Owner 无锡市天宇精密陶瓷制造有限公司
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