70tpd Kraft Paper Machine Supplier
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
