Coagulant uniform feeding device for sewage treatment

The utility model discloses a coagulant uniform feeding device for sewage treatment, which structurally comprises a machine body, a supporting disc, a motor, a feeding device, a case and a feeding box, the feeding device is fixedly matched above the machine body through bolts, and the feeding device mainly comprises a discharging pipe, a rotating shaft, a rotating sliding sheet, a feeding chamber,a baffle and a feeding motor. The rotating shaft is connected to the front end of the feeding motor in an interference fit mode, the rotating sliding piece is connected to the side portion of the rotating shaft in a riveting mode, and a feeding chamber is arranged in the baffle. The rotating sliding piece is driven by the motor to rotate at a constant speed, materials are poured into the feedingchamber, slide into the pipe and fall into a gap between the rotating sliding pieces. Due to the fact that the sizes of the gaps among the sliding pieces are consistent, the quantities of the materials falling into the gaps ar