FLOATATION PURIFIER

The utility model provides a floatation purifier which is a device for treating oily waste water. The floatation purifier comprises oil collecting grooves arranged at both sides of a box body, a flotation groove in the box body, a flotation aeration machine and an oil skimming machine. The flotation aeration machine with a water turning wheel, a water steadying plate and a separator is provided with a baffle plate. Negative pressure is generated via the high-speed rotation of the water turning wheel of the flotation aeration machine to cause gas and liquid to combine for generating air bubbles, oil and suspended solid are carried to the surface of liquid by the air bubbles, and oil and suspended solid are skimmed out by the oil skimming machine to obtain the aim of purification. The floatation purifier has compact structure, steel consumption and production cost can be reduced, the area occupation of equipment is decreased, and the quality of treating oily waste water is raised.