Open pit coal mine dust treatment device

The invention discloses an open-pit coal mine dust treatment device, and relates to the technical field of open-pit coal mine dust cleaning, the open-pit coal mine dust treatment device comprises a mounting table, a treatment box is mounted on the table top of the mounting table, an air outlet pipe is mounted on the inner side wall of the treatment box, a dust suction assembly is mounted at the top of the treatment box, and the dust suction assembly comprises a dust suction box; a plurality of dust collection openings are formed in the outer wall of the dust collection box, a dust collection pipe is fixedly installed on the bottom wall of the dust collection box, and a plurality of dust discharge pipes are installed at the bottom of the outer wall of the dust collection pipe. And after the accumulated water after dust falling falls into the accumulated water at the bottom of the treatment box, the water level in the second communicating pipe rises, so that the accumulated water is discharged into the water co