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70tpd Kraft Paper Machine Supplier

Double layer kraft paper machine

70t/d kraft paper making line contain paper pulping process and kraft paper making process, pulping process divides into top layer pulp and bottom layer pulp, generally top layer pulp use wood pulp, white shavings as material, bottom layer pulp use waste pulp as material. The paper pulp machine and kraft paper machine take a very important role in finished paper quality.

Paper Pulping Process

Top layer pulp making process

ZDSD25 D type hydrapulper: C=3~5%, 15m³, 160kwh

ZSC5 High desity cleaner: C=3~5%, P=0.2~0.5MPa, Q=4500~5800l/min

M.C. pressure screen: C=1~4%, P=0.02~0.04MPa, divides into coarse and fine screen.

Low density cleaner: Q= 600ml/min, C= 0.3~1%

Bottom layer pulp making process

ZDSD23 D type hydrapulper: C=3~5%, 5m³, 75kwh

ZSC4 High desity cleaner: C=3~5%, P=0.2~0.5MPa, Q=3000~4500l/min

Conical refiner: C=3~5%, ∅450, 110kwh

Double disc refiner: C=3~5%, ∅450, 110kwh

Kraft paper machine

Paper grade: kraft paper, testliner paper

Trimmed width: 3400mm

Basis weight: 100~200g/㎡

Capacity: 50~70t/d

Working speed: 150m/min

Design speed: 200m/min