D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 7/02 (2006.01) B01F 7/02 (2006.01) D21C 7/16 (2006.01) F16J 15/00 (2006.01) F16J 15/18 (2006.01) F16J 15/54 (2006.01)
Patent
CA 2373383
A shaft outlet assembly for a digester is disclosed that includes: a rotatable shaft extending from the outlet assembly into a pressurized of the digester; a pack box mounted on the digester and having packing around the shaft, and a sealing ring mounted on a movable assembly inside of the pressure vessel, the sealing ring encircling the shaft, said movable assembly having a first position providing a nominal clearance between the sealing ring and shaft, and a second position at which the sealing ring is against the shaft and pack box to provide a substantially fluid-tight seal between said pack box and the shaft.
Bolles John F.
Vogel Keith P.
Weston John D.
Andritz Inc.
Bereskin & Parr
LandOfFree
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