Crushing and mixing device for electrolytic manganese residues

The utility model discloses a crushing and mixing device for electrolytic manganese slag, which comprises a reaction cylinder, a support ring frame is arranged at the upper end of the reaction cylinder, a central fixing plate is arranged at the upper end inside the reaction cylinder, a connecting cylinder is fixedly mounted at the central position of the upper surface of the central fixing plate, and flip plates are arranged on two sides of the central fixing plate. A servo motor is fixedly mounted in the middle of the supporting ring frame, a movable rod is fixedly mounted at the output end of the servo motor, the tail end of the movable rod extends to the lower end of the connecting cylinder, the movable rod is slidably connected with the connecting cylinder, a screening plate is fixedly mounted in the middle of the interior of the reaction cylinder, and the screening plate is rotatably connected with the movable rod; and cutting wheels are uniformly distributed and fixedly mounted at the positions, between