Multilayer feeding oil water separation tank

The utility model discloses a multilayer feeding oil water separation tank belonging to the technical field of oil water separation equipment for a petroleum refining process. An outer cylinder body is shaped like a closed horizontal tank which is formed by connecting a circular straight cylinder body and dished sealing heads on two sides; an oil water emulsion feeding pipe is connected to the center of a tank bottom; an oil water emulsion enters a tank body through the oil water emulsion feeding pipe; a water drainage pipe is positioned at the bottom of the tank body; a plurality of layers of emulsion pipes and water collectors are uniformly distributed in the tank body, and consist of a plurality of emulsion pipes and rectangular water collectors; the emulsion pipes are parallel to the horizontal central axis of the tank and are arranged at equal vertical intervals; the rectangular water collectors are arranged below the emulsion pipes. According to the multilayer feeding oil water separation tank, the grav