Dust removal device of steel surface treatment shot blasting machine

The utility model discloses a steel surface treatment shot blasting machine dust removal device which comprises a metal frame, the metal frame is obliquely arranged, the upper end of the metal frame is connected to the discharging end of a shot blasting machine through a fourth dust cover, the feeding end of the shot blasting machine is movably connected with a first dust cover, and a first fan is arranged on the first dust cover. The lower end of the metal frame is connected with a third dustproof cover, the end, away from the metal frame, of the third dustproof cover is connected with a second fan, the metal frame is sleeved with a second dustproof cover, the lower end of the second dustproof cover is connected with a second water pipe, and the upper end of the second dustproof cover is provided with a water suction pump which is fixedly connected to the metal frame through a support. The other end of the water suction pump is connected with a first water pipe, the bottom end of the metal frame is evenly co