China Paper Making Kraft Paper Production Line with The Machine Speed 50
Application:
Mainly used for making Kraft Paper, Corrugated Paper, Liner Paper, Paper Carton, etc,
Equipments technology flow:
Air cushion headbox---double wire (top ply and base wire)--- 750/φ800 scution pre-press---φ1320 double felt jumbo roll press---φ1320 double felt jumbo roll press--- front dry:20sets of Φ1800mm dryer (arrangement is 6+8+8)--- φ800/φ800 sizing machine---rear dry section: 6sets of Φ1800mm dryers (6)---double roll hard calender---B/M (reservated position)---horizontal rolls-type drum reeling machine.
Paper product: Kraft paper, Test Liner board
Basis weight: 110~150 g/m2
Calculate basis weight: 112g/m2
Trim width: 3600mm
Reel width: 3350mm
Wire width: 3800mm
Nozzle speed: 3650mm
Working speed: 300m/min
Design speed: 350m/min
Crawl speed: 25m/min
Nominal capacity: 68t/d (112gsm, 150m/min, 3300mm, 100% efficiency)
Gauge: 4350mm
Drive type: AC frequency converter sectional drive
Arrangement: single-layer layout, right hand machine (standing at reel machine and looking toward machine direction, drive side is on right hand side)
Top ply: pulp %
Base ply: pulp %
Top ply: 40~60g/m2 pulp consistency:0.3~0.6%
Base ply: 70~90g/m2 pulp consistency:0.5~1.0%
Dryness into press: ≥22%
Dryness into dryer: ≥44%
Dryness into sizing machine: 92%
Dryness out of sizing machine: 65~70%
Sizing glue quantity: 2.5~3g/m2(each surface), glue solid content: 8~12%
Dryness of finished paper: 92%
Horizontal shrinking percentage (average): ≤4%
Horizontal moisture deficit: ≤±7.5%
Horizontal grammage deficit: ≤±1.0%
Dryness when every ply paper recombinating: ≥12%
Forming wire 8kN/m 7kN/m
felt 5kN/m 4kN/m
dry wire 5kN/m 3kN/m
Requirement: pure, colorless, sand-removed.
Pressure: 3MPa,0.4MPa two types
PH valve: 6-8
Motor voltage: 380/220±5%
Control voltage: 24V
Frequency: 50HZ±1%
Steam pressure:Max. working pressure of dryer: 0.5MPa
Nominal pressure: 16Mpa
Set working pressure: 14Mpa
Filtering oil accuracy: 20μm
Supplying oil temperature: ≤30ºC
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