REACTOR REFRIGERANT PUMP AUXILIARY SEAL FOR VACUUM DEGASIFICATION OF THE REACTOR COOLANT SYSTEM.

摘要

AN AUXILIARY SEAL (88) TO PREPARE A REACTOR COOLING PUMP (14) FOR VACUUM DEGASIFICATION OF THE REACTOR COOLING SYSTEM INCLUDES AT LEAST ONE PAIR OF SEALING SEGMENTS (90) .THE SEALING SEGMENTS (90) ARE COMPOSED OF METAL AND HAVE BODIES (92) SEMICIRCULARLY WITH FIXING PROJECTS (94) AND AN ANCHOR FLANGE (96) FIXED TO THEM. THE FIXATION PROJECTS (94) EXTEND RADIALLY TOWARDS THE OPPOSITE END OF THE BODIES (92) OF THE SEALING SEGMENTS. THE PROJECTS (94) ON ONE SEGMENT OF THE BODY (92) WHEN THEY ARE ALIGNED WITH AND UNITED BY GUARANTEES (98) TO THE PROJECTORS (94) ON THE OTHER SEGMENT OF THE BODY (92) PLACES THE SEALING OF THE SEGMENTS (92) TOGETHER AND IN A RELEASABLE UNION ONE WITH ANOTHER AND IN A FIXED AND SEALED UNION AROUND A SHAFT (34) OF THE PUMP. THE BODIES OF THE SEGMENT (92) ALSO HAVE CASINGS (104,106) INTERIOR AND EXTERIOR CIRCUMFERENTIALS WITH RINGS IN OR (108) IN THEM, WHICH SEALS RESPECTIVELY WITH A PORTION OF THE PUMP AXLE (34) AND A PORTION OF A HOUSING OF THE PUMP (32). THE RING FLANK (96) EXTENDS RADIALLY FROM THE BODIES (92) OF THE SEALING SEGMENTS AND IS UNIBLE TO THE PORTION (32) OF THE HOUSING TO FIX THE SEALING SEGMENTS (92) TO IT.