Method and apparatus for batch production of pulp including...

Details Method and apparatus for batch production of pulp including... Method and apparatus for batch production of pulp including...

D - Textiles, Paper

21

C

92/57.2

D21C 7/08 (2006.01) D21C 11/06 (2006.01)

Patent

CA 1070152

ABSTRACT Cooked pulp at an elevated temperature and pressure is discharged from a batch digester into a first blow tank. The first blow tank is maintained at a substantially constant pressure which is less than the pressure in the digester and greater than atmospheric. Pressurized steam is released from the first blow tank into a dirty steam system as pulp is discharged into a second blow tank at a substantially constant rate. The pressure in the second blow tank is maintained at about atmospheric pressure.

295085

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