Standing pouring type sewage treatment device

The utility model discloses a standing pouring type sewage treatment device which comprises a fixed seat, a standing box is arranged on the fixed seat, one end of the standing box is rotationally connected with the fixed seat, a sliding groove is formed in the inner wall of the standing box, a push plate is arranged in the sliding groove in a sliding mode, a sealing strip is arranged on the side face of the push plate, and the sealing strip is arranged on the side face of the push plate. The sealing strip is in close contact with the inner wall of the sliding groove, an opening is formed in one end of the standing box, inserting grooves are formed in the two sides of the inner wall of the opening, secondary filter screens are slidably inserted into the inserting grooves, a sliding rail with the two ends open is fixed to the end, located at the opening, of the standing box, a brush plate is slidably arranged in the sliding rail, and bristles are fixed to the surface of the brush plate. When the sewage treatmen