Stirring equipment for sedimentation tank

The utility model belongs to the technical field of stirring equipment, and particularly relates to stirring equipment for a sedimentation tank. The device comprises a driving motor, a stirring shaft, blades, a connecting frame and an air supply mechanism, the driving motor is fixedly connected with the connecting frame, the two ends of the connecting frame are fixed to the side wall of the sedimentation tank, the top of the stirring shaft is connected with a power output shaft of the driving motor, an air supply channel is formed in the middle of the stirring shaft, the blades are connected to the bottom end of the stirring shaft, and the air supply mechanism is connected to the connecting frame. An air supply chamber is arranged in the blade, the top of the air supply channel is connected with the air supply mechanism, and the bottom end of the air supply channel is communicated with the air supply chamber; the side wall of each blade is provided with an air injection hole, and the air injection holes are c