Oil-water separation system

The invention relates to an oil-water separation system. The device comprises an oil-water separator, a combustion furnace and a smoke dust treatment system, the oil-water separator comprises a tank body, and a smoke inlet communicating cavity, a heating cavity and a smoke outlet communicating cavity are formed in the tank body; a smoke inlet channel connected with the combustion furnace is arranged on the tank body, and a heating pipe is further arranged in the heating cavity; the tank body is further provided with a smoke outlet channel, a feeding channel communicated with the heating cavity, an exhaust channel communicated with the heating cavity, a slag discharging channel used for discharging residual oil in the heating cavity and a water discharging channel used for discharging wastewater in the heating cavity, a third cooler and a buffer tank are sequentially connected to a gas conveying pipeline in series in the output direction of the gas conveying pipeline. The most moistureand impurities in the was