▎ 摘　　要

NOVELTY - The utility model claims a vertical rotational flow device for treating oily sewage of graphene, wherein the tank body is a vertical cylindrical sealing container, the top part of the tank body is a nitrogen inlet, the upper part of the tank body is provided with several oil-containing sewage inlet; the lower part of liquid connecting port at the upper part of the tank body is fixedly connected with a circle of baffle plate; the lower part of the baffle plate is fixedly connected with the graphite alkenyl net film; the bottom of the cone is flat container, lower part of the tank body is opened with water outlet, oily sewage inlet via the water pipeline is connected with the water distribution pipe, the water distribution pipe is provided with multiple nozzles, the opening of the nozzle is slightly inclined downwards; water distributing cavity in the device is a cone formed by baffle plate and the graphite alkenyl net film, the oil collecting cavity is a flat container at bottom of the cone, a water generate chamber is a tank body below the cavity of the cone. The advantages are as follows: high oil removing efficiency, small floor area, strong pollution resistance, water quality requirement, it can well adapt to the condition of the oil field sewage, matching processing technique flow is simple.