Wastewater filtering device for concrete mixing plant

The utility model discloses a wastewater filtering device for a concrete mixing plant, and relates to the technical field of concrete waste recovery. Comprising a filter tank and a separation device, the separation device comprises a separation bin, a water outlet is formed in the separation bin, a first water suction pump is arranged at the water outlet, the output end of the first water suction pump is fixedly connected with a first water suction pipe, and the first water suction pipe is led into the filter tank; the separation device further comprises a centrifugal mechanism, the centrifugal mechanism comprises a rotary screen rotationally connected into the separation bin, the rotary screen is obliquely arranged, the higher end of the rotary screen communicates with a water inlet pipe, the lower end of the rotary screen is provided with a driving motor, and the output end of the driving motor is fixedly connected with the rotary screen. And a discharge hole is formed in the lower end of the drum screen. A