Concrete mixing plant sewage recovery and cyclic utilization system

The invention relates to the technical field of sewage treatment accessory devices, in particular to a concrete mixing plant sewage recovery and cyclic utilization system which comprises a horizontally-arranged bottom plate, four stand columns are arranged at the top end of the bottom plate, and a box body is arranged at the top ends of the four stand columns; a filtering mechanism is arranged in the box body and comprises a rotating shaft which is transversely and rotatably mounted in the upper half area in the box body, a roller is fixedly arranged in the middle of the rotating shaft in a sleeving manner, three groups of bases are arranged on the circumferential outer wall of the roller at equal intervals, a connecting plate is hinged to each group of bases, and a fan-shaped frame body is arranged on each connecting plate; a plurality of small holes are formed in the side wall of the fan-shaped frame body, a closed-loop track is arranged in the box body, and a protruding structure is arranged at the top end