Sewage treating system of wool yarn plant

The utility model discloses a swage treating system of a wool yarn plant. The swage treating system of the wool yarn plant has a good sewage cleaning effect. The system comprises a reaction tank, a shallow air flotation tank, an anaerobic tank, an aerobic tank, a vertical flowing type sedimentation tank, an air floating device and an ozone reaction chamber; the reaction tank, the shallow air flotation tank, the anaerobic tank, the aerobic tank and the vertical flowing type sedimentation tank are sequentially connected through pipelines; a sludge reflowing pipe is connected between the vertical flowing type sedimentation tank and the anaerobic tank; a sludge pump is arranged on the sludge reflowing pipe; the air floating device comprises a flocculation tank, an air floating tank and a sludge collecting tank; the flocculation tank and the air floating tank are sequentially connected through the pipeline; a sediment scraper is mounted on the top part of the air floating tank and used for pushing sludge from the surface of the air floating tank to the sludge collecting tank; the ozone reaction chamber is connected with the air floating tank of the air floating device. The system has the characteristics of being simple in structure, reasonable in design and good in sewage treatment effect.