Reaction kettle for producing luminous marking material

The utility model discloses a reaction kettle for producing luminous marking materials, which comprises a tank body, a discharge port is arranged at the bottom of the tank body, a first flange is fixedly mounted at the bottom of the tank body and at the position of the discharge port, a discharge pipe is arranged below the first flange, and the reaction kettle further comprises a scraper vertically arranged inside the discharge pipe. According to the reaction kettle, the discharge pipe at the bottom of the tank body of the existing reaction kettle is arranged into a combined structure of the discharge port and the discharge pipe, so that the height of the discharge port is reduced, the discharge pipe and the external pipeline are used for discharging, and the discharge port is relatively low, so that the direct blockage of the discharge port can be avoided, and the discharge port is not blocked when the discharge pipe is used for discharging. Meanwhile, the heating belt is arranged on the outer wall of the di