Air flotation device suitable for short-time intensified clarification of high-turbidity residual water

The air flotation device comprises a reaction zone, a contact zone, a separation zone and a clear water zone, a guide plate is arranged on one side, deviating from the reaction zone, of the contact zone, the height of the guide plate is lower than the water surface, the guide plate inclines towards one side of the water flow outflow direction, a slag scraper is arranged on the water surface of the separation zone, and the water surface of the separation zone is provided with a water outlet. A water collector is arranged in the water and is communicated to the clear water area; a sludge valve is arranged at the water bottom of the separation area. A plurality of inclined bottom sunken areas are arranged at the bottom of the separation area, and the bottom of each inclined bottom sunken area is connected with a mud valve. The device is compact and reasonable in structure and convenient to operate, an air flotation treatment method is adopted, air is introduced into wastewater, and is separated out from water in