Steel grit dust removal and recovery device

The utility model discloses a steel grit dust removal recovery device, which comprises a dust removal barrel and a sieving box body, the dust removal barrel is arranged above the sieving box body, an electric push rod is fixedly installed at the top of a vertical plate, the output end of the electric push rod penetrates through and extends to the bottom surface of the vertical plate to be fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating shaft. The bottom end of the rotating shaft is in key connection with the dust removal barrel, an outer shell is arranged on the bottom face of the vertical plate, the dust removal barrel is arranged in the outer shell, one end of the air pipe penetrates through and extends into the outer shell to be communicated with a dust suction plate, the dust suction plate is matched with the dust removal barrel, and a first discharging opening is formed in one side of the bottom of the outer shell in a communicated mode. The bottom end