Valmet paper machine 4600mm Design speed 1200m/min 47-91gsm
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- Product ID: VAK11285
- Name: Valmet paper machine 4600mm Design speed 1200m/min 47-91gsm
Manufacturer Ahlström/Valmet
Manufacturing Year 1982
Paper width mm 4600 Producing: Base Paper for Off line coating
Min gsm 47
Max gsm 91 Speed m/min 1000 (design speed 1200 mpm)
Operated grammages: 47 to 91 gsm
Operated speed range: 440 to 1000 mpm
Fourdrinier wire part with top former
Tri-nip Press part
Drying section, 53 dryers, dia. 1500 mm
Calender, singe hard nip Calender
Pope reel
Details as below:
Headbox:
Manufacturer: VALMET
Model: SYMFLO
Year: 1989
Type: hydraulic
Slice width: 4920 mm
Flow range (for paper produced): 750 – 1130 l/s
42 automatic actuators (HONEYWELL)
Distance between actuators: 120 mm
Wire section:
Manufacturer: AHLSTRÖM
Breast roll dia. 723 mm
Wire table length:18 m
Wire dimensions: 5.1 x 40.8 meters
Type: cantilever
Stainless steel wire part
Wire width: 5.150 mm
No. of foils: 12 (IBS)
No. of vacuum foils: 4
No. of vacuum boxes: 3
Ceramic covers
Suction coach, dia. 1118 mm
Forward drive roll, dia. 723 mm
Top former:
Manufacturer: AHLSTRÖM
Type: cantilever
No. of foils: 1
No. of vacuum chambers: 1
Stainless steel design.
Press section:
Manufacturer: AHLSTRÖM – VALMET
Year of manufacture: 1982
Linear loads, press 1, 2 and 3: 60, 80 and 120 kN/m
Pick-up roll diam.: 610 mm
Tri-nip press section:
1st nip Bottom roll diam.: 620 mm, Küsters swimming roll
Suction press roll diam.: 1012 mm
Centre roll diam.: 1200 mm
3rd press roll diam.: 620 mm, Küsters swimming roll
Swimming roll configuration changed in year 2000 by Valmet.
Steam box in press part not available
Drying section:
Manufacturer: AHLSTRÖM, made in 1982
No. of dryers: 53
First one group bottom dryers grooved and used as vac rolls
Slalom run on both first dryer groups
Dryers diam.: 1500 mm
Total face length of dryers with gables: 4990 mm
Rope neck: 110 mm
Shell of dryer: 4880 mm
Working pressure: 3 bar
Test pressure: 4.5 bar
Calender:
Manufacturer: AHLSTRÖM
Hard nip Calender, Küsters type
Top roll diam.: 505 mm
Bottom roll diam.: 505 mm
QCS system: HONEYWELL scanner available
Pope reel:
Manufacturer: AHLSTRÖM
Drum face length: 5.000 mm
Drum dia.: 1.000 mm
Rope neck: 60 mm
Max. working face: 4.940 mm
Max. reel dia.: 3.000 mm
Approach flow system available:
Centricleaner system with Deculator
1st and 2nd Fan Pump excluded
Machine screen, made by Ahlström in 1989, type Screener M70
Disk Filter
Broke system:
Two broke thickener with screen system made by Ahlström 1989
Under machine pulpers: Coach Pit, fabricated (propeller design) and Wet end and dry end pulper included
Vacuum system: One Nash Cl 6002G included, other vacuum pumps are excluded.
Machine drive: Sectionised DC drive of the machine
Enclose gears on the dryer section
Missing parts
Fan pumps
Felt guide rolls in dryer part
Doctors in dryer part.
Winder
No doors of hood available
Neither roll tensors nor guides rolls available. Mechanisms are still available
No doctors available