Spraying dust removal device for building construction

The utility model discloses a spraying and dust removing device for building construction, which comprises a traction type base, a bearing platform is fixed on one side of the upper end of the traction type base, a steering mechanism is arranged on the bearing platform, a rotating platform is arranged on the steering mechanism, a supporting column is fixed on one side of the upper end of the rotating platform, and the supporting column is fixed on the other side of the upper end of the rotating platform. A supporting arm is rotatably connected to the upper end of the supporting column, a sliding groove is formed in the lower end of the supporting arm, a sliding block is installed in the sliding groove, a second oil cylinder is rotatably connected to the other side of the upper end of the rotating table, and the tail end of a piston rod of the second oil cylinder is rotatably connected to the sliding block. The dust removal device not only can remove dust generated during construction,but also can spray the du