Settling device for titanium dioxide wastewater

The utility model relates to a sedimentation device for titanium dioxide waste water, which belongs to the technical field of waste water treatment and comprises a reaction box, a stirring mechanism, supporting legs and a pipeline used for conveying waste water and sediment, the stirring mechanism comprises a motor, a driving gear, a bearing and a protective cover, and the bearing is embedded in the top wall of the protective cover. The inner ring of the bearing is fixedly connected with a stirring barrel, the end, away from the bearing, of the stirring barrel penetrates through the top wall of the reaction box and extends into the reaction box, a plurality of stirring fan blades are evenly arranged on the outer ring of the stirring barrel at equal intervals, the stirring fan blades are provided with inner cavities, and the inner cavities of the stirring fan blades are communicated with the inner cavity of the stirring barrel; a plurality of discharging holes communicated with the inner cavity of the stirring