Settling and filtering device for soft-shelled turtle culture sewage

The utility model discloses a soft-shelled turtle culture sewage settling and filtering device which comprises a filtering tank, a plurality of partition plates are arranged in the filtering tank, and the filtering tank is divided into a main settling cavity, an aeration cavity located on one side of the main settling cavity, three auxiliary settling cavities located on the side face of the aeration cavity and a filtering cavity located between the three auxiliary settling cavities and the aeration cavity through the partition plates. The filtering cavity is positioned in the center of the filtering tank; discharge valves are respectively arranged at the bottoms of the main precipitation cavity, the aeration cavity, the auxiliary precipitation cavity and the filtering cavity; the liquid inlet valve is arranged on the upper side of the main precipitation cavity; the aeration device is arranged in the aeration cavity; the stirring devices are respectively mounted in the secondary precipitation cavities; and the