Double-end-face mechanical sealing structure of glass lining kettle

The double-end-face mechanical sealing structure is characterized in that a fragment well is arranged on the lower portion of a rotating shaft in a sleeving mode, the fragment well is matched with a clamping table on the lower portion of the inner side of a medium side gland through a second O-shaped ring, and the outer side of the fragment well is sleeved with a medium side non-compensation ring and a medium side compensation ring; third O-shaped rings are arranged on clamping tables on the upper portions of the inner sides of the medium side non-compensation ring and the medium side gland, the upper portion of the medium side compensation ring is matched with a short shaft sleeve clamping table, the upper portion of the short shaft sleeve is matched with a shaft sleeve clamping table, and an atmosphere side sealing assembly is arranged on the outer side of the shaft sleeve; the gland lower part is matched with a clamping table on the inner side of the medium side gland upper part; two connector assemblies a