Sewage treatment device convenient for cleaning residues

The utility model discloses a sewage treatment device convenient for cleaning residues. The utility model belongs to the field of sewage treatment equipment, the device comprises a water tank, a sewage pump, a net rack, a fine filter screen, a stirring mechanism and a primary filter screen, two through grooves are formed in the upper surface of the water tank; two net racks are arranged in total,the two net racks are respectively inserted into the two through grooves; the water tank is divided into a primary filter tank, a fine filter tank and a clear water tank by the two net racks; the finefilter screen and the primary filter screen are respectively mounted on the two screen frames; the primary filter screen is located in the primary filter tank, the fine filter screen is located in the fine filter tank, the sewage pump is fixedly installed at one end of the water tank, the output end of the sewage pump communicates with the primary filter tank through a guide pipe, the stirring mechanism is fixedly install