Dust suppression device for construction site engineering supervision

The utility model discloses a dust suppression device for construction site engineering supervision in the technical field of dust suppression devices, which comprises a water tank, a partition plate, a recovery cavity, a water storage cavity, a filter screen, a spray box, a cover plate, a spray head, a return pipe and a dust collection seat, a negative pressure fan is mounted in the dust collection seat, and a through groove communicated with the dust collection seat is arranged on the cover plate. The top of the dust collection base is rotatably sleeved with a sealing cover, a dust collection pipe communicated with the interior of the dust collection base is installed on the sealing cover, the dust collection pipe is driven by a rotating unit to rotate in the axial direction of the dust collection pipe, dust in a construction site can be discharged into the spraying box through a negative pressure fan, and the dust discharged into the spraying box is subjected to spraying dust falling through a spraying hea