Sand setting device for sewage treatment

The utility model relates to the technical field of sewage treatment, in particular to a sand setting device for sewage treatment, which comprises a barrel body, the barrel body comprises a hollow cylinder positioned at the upper part and an inverted cone positioned at the lower part and communicated with the cylinder, a water inlet pipe is arranged on one side of the top of the barrel body, and acylindrical cover body is arranged at the center of an inner cavity of the barrel body; the cylindrical cover body is fixed to the top wall of an inner cavity of the cylinder body, a rotating shaft is arranged in the cylindrical cover body, rotating fan blades are fixed to the bottom end of the rotating shaft, the top end of the rotating shaft is fixed to a driving shaft of a first motor, and a first water outlet pipe inclining downwards is arranged on the side wall of the top of the cylindrical cover body; an inclined sand removing assembly is arranged on one side of the sand settling tank;the sand setting machine c