Rainwater recycling treatment device for construction site

The utility model discloses a construction site rainwater recycling treatment device which comprises a treatment box, the treatment box is made of plastic materials, a partition plate is arranged on the left side of the interior of the treatment box and divides the treatment box into two parts, rainwater can be conveniently treated in a separated mode, and a water collecting groove is formed in the upper surface of the treatment box. The lower portion of the alum box is communicated with the treatment box through a material pipe, the inner wall of the treatment box is movably connected with a sealing plate abutting against a discharging port of the material pipe through a pin shaft base, a transverse rod is arranged on the inner wall of the treatment box and located below the material pipe, the right end of the transverse rod is rotationally connected with an impeller, and rainwater flows along the water pipe and impacts the impeller to make the impeller rotate. The sealing plate is stirred in the rotating pr