Detachable fail-safe heat transfer sealing structure

The utility model discloses a detachable fault safety type heat transfer sealing structure. The detachable fault safety type heat transfer sealing structure comprises a first flange, a second flange, a check ring, a first sealing ring and a second sealing ring. The first flange is connected with one end of the shell side barrel, the second flange is connected with one end of the pipe side barrel, the first sealing ring, the check ring and the second sealing ring are arranged on the outer side of the floating pipe plate between the shell side barrel and the pipe side barrel in a sleeving mode, the check ring is located between the first flange and the second flange, and the first sealing ring is located between the first flange and the check ring. The second sealing ring is located between the check ring and the second flange. First leak detection holes are formed in the check rings, second leak detection holes are formed in the second flange, and plug screws are arranged in the second leak detection holes. Ac