End cover bushing sealing structure of ball mill

A ball mill end cover bush sealing structure comprises an end cover 2 and a bush 1, a bush 1 cylinder body is nested in an end cover 2 cylinder body, the bush 1 cylinder body and the end cover 2 cylinder body are fixed through bolts, a flange on the left side of the bush 1 and the contact face of an annular top opening on the left side of the end cover 2 cylinder body are fixed through bolts, and the contact face of a wear-resisting ring on the right side of the bush 1 cylinder body and the right end of the end cover cylinder body is a nested tail end. A magnetic suction sealing structure is arranged at the tail end of the embedding sleeve. The magnetic attraction sealing structure comprises a groove structure 101 on the peripheral face of the tail end of the lining 1, an auxiliary dismounting device 102 and a magnet 103 ring, the magnet 103 ring is formed by a plurality of magnets 103 with the same specification in a surrounding mode and is tightly and neatly installed in the groove structure 101, and a laye