The utility model provides a technical scheme of a discharging device for a demulsifier reaction kettle. The discharging device comprises a reaction kettle body with a discharging port; a reversed-V-shaped pipe is arranged at the discharging port; one pipe body of the reversed-V-shaped pipe serves as a discharging pipe, and another pipe body of the reversed-V-shaped pipe serves as a dredging monitoring pipe; a flow sensor is arranged in the discharging pipe and is connected with a display screen; a first solenoid valve is arranged on the discharging pipe; and a second solenoid valve is arranged on the dredging monitoring pipe. According to the discharging device for the demulsifier reaction kettle, the blockage of the discharging port can be detected timely, and the discharging port can be dredged, thereby being beneficial to smooth production.