Air atomizing spray gun

The utility model belongs to the technical field of gas cleaning. An air atomizing spray gun, includes interior sleeve pipe, set up including air cap and the intercommunication of one of them tip of sleeve pipe set up including the inlet tube and the intake pipe of another tip of sleeve pipe, the interior sleeve pipe that has the air cap stretches into in the desulfurizing tower, interior sleeve pipe middle part and desulfurizing tower between still be provided with regulating locking mechanism, regulating locking mechanism including fixed setting up at the ring flange at desulfurizing tower top, fixing on the ring flange adapter sleeve, collet chuck and the check nut that offer the external screw thread outside and on the wall. The utility model discloses overall structure reasonable in design, through collet chuck's centre gripping effect, the effectual stability of guaranteeing the total, the high regulation of just being convenient for, cause the damage like local spare part, the spare part of also being convenient for change, its the utility model discloses a whole effectual practicality that improves the desulfurizing tower to reach desulfurated optimum effect.