Pulp washer discharging a pulp slurry at a controlled consistenc

Details Pulp washer discharging a pulp slurry at a controlled consistenc Pulp washer discharging a pulp slurry at a controlled consistenc

1988-03-21

1989-05-09

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Combined operations

68158, 68181R, 162 60, 162329, D21C 102

Patent

active

048277410

ABSTRACT:
An air-tight vat under pressure completely encloses a rotatable drum. The vat is constructed so that it may be completely submerged in liquid. The vat has a liquid filled take-off chamber. The pulp is fed to the vat through a pulp inlet. The pulp is formed and compacted to form a pulp mat. Directly following the forming and compacting of the pulp is a washing zone for washing the pulp mat. After washing the pulp mat is again compacted. The pulp mat is removed from the drum at a removal point located in the liquid filled take-off chamber, thus providing a pulp suspension in the take-off chamber. The suspension is removed from the vat through a pulp outlet extending from the liquid filled take-off chamber.

REFERENCES:
patent: 3772144 (1973-11-01), Luthi et al.
patent: 4217170 (1980-08-01), Luthi
patent: 4292123 (1981-09-01), Lintunen et al.

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