Semi-finished product storage tank sealing device for leather fatting agent production

The utility model discloses a semi-finished product storage tank sealing device for leather fatliquor production, which comprises a tank body, a motor is fixedly connected to the middle of a base, a driving shaft at the upper end of the motor is fixedly connected with a rotating shaft and extends to the upper part of the tank body, and the rotating shaft is provided with a spiral blade at the periphery in the tank body. An upper cover is arranged at a feeding port in the upper end of the tank body, a connecting column is fixedly connected to the middle of the lower end of the upper cover, the lower end of the connecting column is fixedly connected to the middle of the upper end of the lower cover, and an air guide pipe is arranged on the right side of the feeding port in the upper end of the tank body and provided with an air valve. The lower end of the upper cover is connected with the lower cover through the connecting column, double sealing is achieved, the sealing performance of the tank body is improved,