Board Machine, 2,750mm, Valmet, 3 layer, 150-450gsm, 240m/min, 50,000TPY
General Specs of the Machine
- Rebuild by Metso 1996
- Type3 Layers
- Basis weight Range150 – 450 g/m2
- Sheet width2,750 mm
- Max. operating machine speed 240 m/min
- Production capacity50,000 TPY
1st Pulper
- Capacity 15 m3
- Through put 60 TPD
2nd Pulper
- Capacity 20 m3
- Through put 80 TPD
Refining system ( BCTPM / Un bleach Kraft pulp )
- Type 3 Double disc
- Make Escher wyss
Refining system (Bleach Kraft Pulp )
- Type 2 double disc refiner
- Make Escher Wyss
Refining system for Bleach Hardwood
- Type1 Double disc refiner
Centri cleaner battery
- Type Z-12-256 A ( Celleco)
- Stages3 stages + fiber mizer
- UsageTop Layer
Fan pump
- Type Top , Middle & back layer ( BA-350/300/ 40 )
- Make Supplied by Valmet
- Capacity Top layer 17000 l/min Max
- Capacity middle layer 17000 l/min Max
- Capacity Back layer 15000 l/min Max
- Head13 m for all layers
High Pressure Screens
- Type Top & bottom SP 600
Middle SP 700
- Basket hole size 2mm
Vibrating screen
- Type NB- 125/100-20 ( FOR ALL LAYERS )
- Capacity 1500 l/min
Head box
- Type “ A “ for Top layer
“ C “ for Middle layer
“ Air Cussion” ( back layer )
- Slice opening50 mm Max ( for top& middle) and for back layer it is 40 mm
- Slice width3000 mm
- Design At 290 m/min speed
Wire
- Top wire 22.70 x 3.18 m
- Middle layer 42.45 x 3.18 m
- Bottom 46.80 x 3.15 m
Sym Former
- Position Middle layer
- Wire 11.10 x 3.18 m
Double felted ( 1st Press ) Suction Press
- TypeTop Blind Drilled
Bottom Suction roll
2nd Press long nip Press
- Type both blind drill roll
Off set Press
- Type Single felted ( Top double felted , bottom suction roll)
Vacuum Pumps
- TypeSiemens Elmo ( 6 No.)
Bell E Type ( 3 No.)
Nash CL 2002 ( 2 No.)
- Total Capacity11.5 MWC
Pre Dyer
- No. of Dryers23
- Dia 1.52 m
Yankee
- Dia 3.6 m
Intermediate dryers
- No. Of dryers7
- Dia 1.52 m
Size Press ( with infra red heaters )
- Type Pound
Post dryers
- No. of dryers 7
- Dia 1.52m
Calender
- Typesym- Z
- Zone 3
QCS
- Make ABB
- Type smart platform SP 1200 with Accuray 1190
Drives
- Type AC
- Supplier Siemens
- VC Master dives controlled by S5-135U PLC
REWINDER
- Cameron Rewinder T-488