Sewage treatment device

The utility model discloses a sewage treatment device, including sewage inlet tube and gunbarrel, the sewage inlet tube is connected with the water inlet of gunbarrel, the gunbarrel upside keeps left and is equipped with flocculating agent input device, the flocculating agent is put in the device and is included the flocculating agent medicine box, spray tube and solenoid valve, the vertical stirring pivot that is equipped with is located at the inside center of gunbarrel, be equipped with the agitator on the stirring pivot outer wall, stirring pivot top is connected with driving motor, evenly be provided with the water conservancy diversion strip on the inner wall of gunbarrel, the gunbarrel downside is connected with air intake duct, the air intake duct top is connected with the aerator of the inside downside of gunbarrel, the utility model discloses sewage treatment device carries out the processing of second step in getting into aeration type membrane bioreactor behind the flocculation and precipitation,