Municipal sewage disposal device

The utility model discloses a municipal sewage discharging device which comprises a sewage discharging pipe, and an accelerating mechanism and a crushing mechanism are arranged in the sewage discharging pipe. The accelerating mechanism comprises a first shell fixed on the outer wall of the blow-off pipe, a first motor is fixed in the first shell, and at least part of an output shaft of the first motor extends into the blow-off pipe and is connected with an impeller; the crushing mechanism comprises a crushing cutter assembly arranged in the blow-off pipe; the crushing cutter assembly comprises a supporting frame fixed to the inner wall of the blow-off pipe, a rotating rod is rotatably arranged on the supporting frame and arranged in the axis direction of the blow-off pipe, and a blade is fixed to the end of the rotating rod; the problems that an existing municipal sewage discharging device is often blocked when used, normal sewage discharging is affected, and inconvenience is brought to citizens are solved. 本