Wastewater sedimentation tank for stone plate processing

The utility model discloses a wastewater sedimentation tank for stone plate processing, and belongs to the technical field of stone processing equipment. Comprising a tank body, a longitudinal partition wall, N transverse partition walls, a sludge suction structure and a filtering structure, the tank body is divided into 2N + 2 sub-tank bodies by the longitudinal partition wall and the transverse partition walls, the first sub-tank body on the left side is a wastewater collecting tank, the first sub-tank body on the right side is a clean water tank, and the remaining 2N sub-tank bodies are sedimentation tanks; the two sedimentation tanks on the left and right sides of the longitudinal partition wall form a sedimentation tank pair; the sludge suction structure comprises a shed frame and N walking suction units, one walking suction unit is correspondingly arranged right above each sedimentation tank pair, the walking suction units can move forwards and backwards, and electric hoists capable of moving leftwards