Column type sewage treatment device

The utility model discloses a column type sewage treatment device, including treatment box, water inlet pipe, swivel mount, collection box and absorption ring, the water inlet pipe is inserted in the middle of treatment box, the one end of water inlet pipe is inserted in the middle of collection box, the collection box is located right below treatment box, the absorption ring is installed in the collection box, and the swivel mount is installed in the collection box. A water outlet is formed in the surface of the water inlet pipe, a filter screen is mounted at the top end of the water inlet pipe, a rotating frame is mounted on the surface of the filter screen, and a coagulant ring is fixedly connected to the inner wall of the water inlet pipe. According to the column type sewage treatment device, the filter screen at the top end of the water inlet pipe is provided with the rotating frame, so that impurities isolated by the filter screen are effectively rotated through the rotating frame, the impurities fall i