Lateral inner powder feeding plasma spray gun structure

The invention discloses a lateral inner powder feeding plasma spray gun structure which has a high-efficient heating mode. An anode nozzle pore canal of a spray gun adopts a three-section structure, i.e. a front compression section, an intermediate arc stabilizing powder feeding section and a rear e...

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Bibliographic Details
Main Authors YAO JIN, XIAO MENG, MIAO JIANGUO, YU DEPING, XIANG YONG, YUE JINGHUI, CAO XIUQUAN
Format Patent
LanguageEnglish
Published 11.02.2015
Subjects
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
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Summary:The invention discloses a lateral inner powder feeding plasma spray gun structure which has a high-efficient heating mode. An anode nozzle pore canal of a spray gun adopts a three-section structure, i.e. a front compression section, an intermediate arc stabilizing powder feeding section and a rear expansion incline section. When in work, spray powder is fed through a powder feeding hole which is identical in an oblique angle of the central axis of the expansion incline section after being mixed with gas, the spray powder has the same movement direction with plasma jet, so that the spray powder can be well heated and accelerated in the plasma jet, and an effect for improving the spray quality can be realized.
Bibliography:Application Number: CN20141597117