Protection device for mounting sealing surface of stirring motor of reaction kettle

The utility model relates to the technical field of reaction kettles, and discloses a reaction kettle stirring motor installation sealing surface protection device which comprises a reaction kettle body and a protection device, the protection device is formed by splicing two semi-rings, a sealing surface is arranged on the top end face of the reaction kettle body, and the protection device is located in the sealing surface. A sliding assembly is arranged at the bottom of the inner wall of the protection device and comprises a rolling groove, the rolling groove is formed in the bottom of the inner wall of the protection device, and a plurality of balls are evenly arranged in the rolling groove. Through the designed sliding assembly, the friction force between the stirring shaft of the stirring motor and the inner wall of the protection device can be conveniently reduced, so that the protection device cannot be easily damaged by friction, the service life is prolonged, and the practicability is better; the prot