Impurity removal equipment for industrial silicon processing

The utility model discloses impurity removal equipment for industrial silicon processing, which comprises a furnace body, a sealing groove is arranged on the upper surface of the furnace body, a sealing cover is arranged at the top of the furnace body, an internal sealing ring and an external sealing ring are respectively fixedly mounted on the lower surface of the sealing cover, the external sealing ring is connected with the sealing groove in an inserted manner, a fixing ring is fixedly mounted on the outer side of the furnace body, and the fixing ring is connected with the sealing groove in an inserted manner. Mounting grooves are symmetrically formed in the outer side of the fixing ring, an electric telescopic rod is fixedly mounted on the inner side of each mounting groove, and the output end of each electric telescopic rod is fixedly connected with a clamping block clamped with the corresponding clamping groove. By starting the electric telescopic rod, the clamping block connected with the output end of