Novel construction site dust removal device

The utility model relates to a novel construction site dust removal device which comprises a main water pipe installed on a construction site enclosing wall, and a plurality of spray heads are arranged on the main water pipe at intervals. An entrance and exit is arranged on the construction site enclosing wall, door posts are installed on the two sides of the entrance and exit, and fixing seats are arranged on the sides, facing the entrance and exit, of the door posts. Two doors are installed at the inlet and the outlet, a hinge shaft is fixedly arranged on the side edge of each door and rotationally supported on a fixing base, and a first bevel gear is coaxially fixed to the upper end of each hinge shaft. A connecting shaft is rotationally supported on the door post, a second bevel gear is coaxially fixed to one end of the connecting shaft, and the first bevel gear is meshed with the second bevel gear; a third bevel gear is coaxially fixed at the other end of the connecting shaft; a second valve is installed