Sealing device for discharge hole of reaction kettle

The utility model relates to a sealing device for a discharge port of a reaction kettle, which comprises a reaction kettle body, a functional structure fixedly mounted at the top of the reaction kettle body, a feed pipe fixedly mounted at the top of the reaction kettle body, and a water inlet pipe fixedly mounted at the top of the reaction kettle body. Two supporting legs are fixedly mounted at the bottom of the reaction kettle body, a discharging pipe is fixedly mounted at the bottom of the reaction kettle body, and a sealing cylinder is movably mounted on the outer surface of the discharging pipe. When the sealing device for the discharge port of the reaction kettle is used, a feeding pipe is matched with a water inlet pipe, so that raw materials can be guided into the reaction kettle body, then a driving motor is started to drive a rotating rod and stirring blades to rotate, and the effect of stirring the raw materials can be achieved; therefore, the movable rod can be rotated to drive the driving gear to