Non-ferrous metal smelting wastewater treatment device

The utility model belongs to the technical field of wastewater treatment devices. A non-ferrous metal smelting wastewater treatment device comprises a sedimentation tank, a mixing cylinder, a supporting frame, a twisted rope, a second driving part, a sliding seat and a stirring roller, the mixing cylinder is arranged at the top of the sedimentation tank, mixing blades are arranged in the mixing cylinder, and a first driving part for driving the mixing blades to act is arranged on the mixing cylinder; the support frame is arranged on the sedimentation tank, a plurality of groups of transmission shafts are arranged on the support frame, and a transmission wheel is arranged on each transmission shaft; the twisted rope is connected end to end and is coiled on the transmission wheel; a sliding groove is formed in the inner wall of the sedimentation tank, and the sliding seat is slidably arranged in the sliding groove in a matched mode and fixedly connected with the twisted rope. The stirring roller is arranged on