Pretreatment device for wastewater generated in semi-coke production

The utility model discloses a pretreatment device for wastewater generated in semi-coke production, and relates to the technical field of wastewater treatment. Comprising a base, a separation cylinder, a stirring assembly, a connecting channel and an emulsified oil separation tank, the separation barrel is installed above the base, a stirring assembly is arranged in the separation barrel, the lower end of the emulsified oil separation pool and the lower end of the base are coplanar, the upper end of the emulsified oil separation pool and the upper end of the separation barrel are located at the same height, and the sides, close to each other, of the lower end of the separation barrel and the upper end of the emulsified oil separation pool are connected through a connecting channel; and the connecting channel is gradually inclined from the separation cylinder to the emulsified oil separation tank. The stirring assembly in the separation cylinder can accelerate the oil-water separation speed of the wastewater i