Treatment device for mine sewage

The utility model discloses a mine sewage treatment device in the technical field of sewage treatment equipment, the mine sewage treatment device comprises a treatment box, the treatment box is fixedly provided with a sewage inlet, a drain valve, an air cylinder and a medicament feeding pipe, the sewage inlet is provided with a filter box, and the filter box is provided with a filter screen and a slag removal opening; the filter box is vertically and slidably connected with a baffle used for sealing the slag removal opening, the movable end of the air cylinder is fixedly connected with a scraper corresponding to the slag removal opening in a sleeved mode, the agent feeding pipe is provided with a sealing plug, and the sealing plug penetrates through and is fixedly connected with a water spraying pipe extending into the agent feeding pipe. A plurality of nozzles are uniformly arranged on the water spraying pipe at intervals from bottom to top along the axis of the water spraying pipe, and an included angle is