Two-phase stream sewage separating purifying device

The utility model relates to a two-phase stream sewage separating purifying device which is composed of a settling area, a transition area and an air floating area, wherein the bottom of the settling area is provided with a mud valve used for expelling mud and coagulated matter; a shaped declining flow channel is arranged between the settling area and the transition area; the transition area is communicated with the transition area via a hydraulic accelerating flow guide machine on the upper end of a conical water collecting board; the water fog is produced by a plurality of air and water dissolving releasers of a gasification water generator; the suspended floss in water is supported and floated on the liquid level of the air floating area, and the suspended floss is scratched by a rotary scratching board to enter a residue collecting tank to be discharged. The utility model can separate the solid and oil impurities in the sewage, with the advantages of simplified equipment and low purifying cost.