Special shot blasting machine for outer wall of tower drum of wind driven generator

The invention relates to the field of shot blasting, in particular to a special shot blasting machine for the outer wall of a tower drum of a wind driven generator. The special shot blasting machine comprises a base, a shot blasting device and a return device which are arranged on a slide rail, and a scrap removing device, wherein the shot blasting device is provided with an opening-throwing sealing box attached to the outer wall of the tower drum and a shot blasting mechanism mounted in the opening-throwing sealing box, the opening-throwing sealing box is further provided with a feeding hopper communicated with the interior of the opening-throwing sealing box, the scrap removing device comprises a cleaning channel, an air blowing mechanism, a horizontal conveyor and a cleaning mechanism, the cleaning channel and the air blowing mechanism are horizontally arranged on the base and communicated with the opening-throwing sealing box through a discharging channel, and a material overturning device for overturning