Spraying nozzle structure and plasma spraying equipment system formed by same

The utility model relates to the field of plasma spraying, and particularly discloses a spraying nozzle structure and a plasma spraying equipment system formed by the spraying nozzle structure, the spraying nozzle structure comprises a nozzle, the nozzle comprises a nozzle shell and a nozzle main body located in the nozzle shell, and a water cooling cavity is formed between the inner wall of the nozzle shell and the outer wall of the nozzle main body; the nozzle body comprises an air supply shell and a cathode bar, an air supply channel is arranged between the inner wall of the air supply shell and the outer wall of the cathode bar, the rear end of the air supply shell is provided with an air inlet, and the front end of the air supply shell is provided with an air nozzle; a powder feeding assembly is installed on the nozzle shell and sequentially composed of a powder feeding inlet, a powder feeding body and a powder feeding auxiliary section, the powder feeding inlet penetrates through the nozzle shell, the p