TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ZONE AGITATION [1 record]

Record 1 1993-05-18

English

Subject field(s)
  • Pulp Preparation (papermaking)
CONT

A traditional "high-density" storage chest (i.e., at 12 - 15% consistency) and pump-out arrangement is illustrated in figure 9-56. The stock, usually conveyed from a washer/thickener, is dropped into the top of the chest. The pulp then moves downward as a plug with essentially no intermixing. At the bottom of the chest, a side-entry agitator provides mixing energy and a number of nozzles around the periphery supply dilution water. This arrangement, referred to as "zone agitation", reduces the pulp consistency to a fairly uniform level below 4%, suitable for conventional pumping. Additional dilution water is added at the pump suction for more precise consistency control.

French

Domaine(s)
  • Préparation de la pâte à papier

Spanish

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