Cold blow system for batch production of pulp

Details Cold blow system for batch production of pulp Cold blow system for batch production of pulp

D - Textiles, Paper

21

C

92/57

D21C 7/00 (2006.01) D21C 7/08 (2006.01) D21C 7/14 (2006.01)

Patent

CA 2002857

Abstract of The Disclosure A method and system for cooling pulp discharged from a batch type digester and recovering heat from it. A stream of pulp together with spent cooking liquor is discharged from a batch digester to a diffuser and passed through the diffuser at substantially the same pressure as that of the digester. The pulp stream is caused to flow between screens and hot spent cooking liquor is displaced with cooler liquor flowing across the pulp stream thereby lowering the temperature of the pulp stream. The displaced cooking liquor and the pulp is withdrawn from the diffuser.

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