Sedimentation tank for industrial wastewater treatment

The utility model discloses a sedimentation tank for industrial wastewater treatment, which comprises a sedimentation tank body, the upper end face of the sedimentation tank body is fixedly provided with a support plate, the bottom end face of the support plate is fixedly provided with two connecting columns which are distributed left and right, and the bottoms of the two connecting columns are fixedly provided with a fixed cylinder. A filter cylinder is fixedly mounted in the fixed cylinder, a drainage pipe is arranged in the filter cylinder, sludge in wastewater can be settled on a settling table in the settling process, and when sludge in the settling pond body needs to be cleaned, a motor is started, so that a rotating shaft rotates to drive a supporting rod and a second scraping plate to rotate, and the sludge in the settling pond body can be cleaned. And when a second scraper rotates, sludge on the sedimentation table can be pushed into a sewage discharge groove, then a sludge pump is started, a sewage