Water pollution control solid-liquid separator

The utility model discloses a water pollution prevention and control solid-liquid separator which comprises a tank body, a filter assembly is arranged in the tank body, the filter assembly comprises a filter cartridge, a plurality of filter holes are formed in the surface of the filter cartridge, a driving shaft is arranged in the filter cartridge, a plurality of fan blades are installed on the surface of the driving shaft, and the fan blades are arranged on the surface of the driving shaft. The fan blade is composed of a fixed sleeve and a movable plate, the fixed sleeve is fixedly connected with the driving shaft, the movable plate is movably connected with the fixed sleeve, after sewage separation is finished, the driving shaft can be controlled to rotate at a high rotating speed, at the moment, centrifugal force borne by the fan blade can be increased, and therefore the movable plate moves away from the fixed sleeve and makes contact with the inner wall of the filter cartridge; at the moment, the movable