Advanced treatment air flotation device for wastewater generated in colorant manufacturing

The utility model discloses an air floatation device for advanced treatment of waste water generated in colorant manufacturing. A feeding pipe, a discharging pipe and a slag discharging pipe are arranged on the side edge of the tank body, the rotating scraper is arranged on the upper portion of the tank body and connected with a rotating motor, the air blowing pipe is arranged at the bottom of the tank body and covers the bottom of the tank body, air outlet holes are formed in the air blowing pipe, and the rotating device is connected with the air blowing pipe. Each rotating device comprises a rotating plate and a first rotating motor, 3-6 layers of rotating devices are arranged in the tank body, the gap between every two layers of rotating devices is 2-5 cm, the bottom end of an outlet of the discharging pipe is higher than the bottom end of the slag discharging pipe, and the bottom end of the rotating scraper and the bottom end of the slag discharging pipe are located on the same horizontal ...