VER 3680 - 2500 mm Paper Machine for Fluting

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Twin ply fourdrinier machine with nominal deckle of 2500 mm
Built in 1986
Max design speed: 600 m/min
SSD digital drive suite installed March 2005, left hand drive
Current max operating speed: 600 m/min (at reel)
Grammage range: 90 to 170 g/m²
Production at 170 g/m²: 10,5 T/h
Testliner and fluting
Complete stock preparation for OCC-waste paper
ABB 1190 advant DCS control system, with Smart Platform QCS dry-end scanner

Flowbox (bottom wire)
Slice width: 2750 mm
Consistency range: 0.65% / 0.85%
Min/max flow rate: 11.000/14.000 lt/min

Wire table (bottom wire)
Cantilever design
Wire width: 2900 mm
Wire length: 45.5 m, couch to breast roll centres 27 m
Single zone, suction couch roll with double doctor
Variable position forward drive roll
Steam profiling shower fitted over final tri-vac suction box
Exit moisture about 22%

Flowbox (top wire)
Slice width: 2750 mm
Consistency range: 0.45% - 0.55%
Min/max flow rate: 5000/10.500 l/min

Wire table (top wire)
Cantilever design
Wire width: 2950 mm
Wire length: 20,6 m

First press
Single felted, suction pick-up roll with 3 vacuum zones
450 PLi line load
Couch pit, with side entry agitator
Open draw transfer to 2^nd press
Exit moisture about 40%

Second press
Large diameter jumbo press, 1030 mm Ø rolls
Rubber covered with blind drill pattern
Automated internal cooling system
1750 PLi line load
Double felted
Exit moisture about 50%

Vacuum
2 x Nash 901, installed 2000
5 x Nash CL2001
1 x Nash CL1001
2 x 2-stage vacufoil fans for wire table low vacuum requirements

Driers
1st Section – 3 x 1,2 m Ø cylinders at 1,8 bar
2nd Section – 7 x 1,2 m Ø cylinders at 1,8 bar
3rd Section – 10 x 1,5 m Ø cylinders at 5,3 bar
4th Section – 5 x 1,5 m Ø cylinders at 10,0 bar
5th Section – 11 x 1,5 m Ø cylinders at 5,3 bar
Potential to uprate 5.3 bar cyclinders to 7.5 bar, subject to re-cerification and insurance checks
Johnson Systems International, thermo-compressor based steam system
Steam groupings 1,2, 3 and 5 fitted with rotating siphons
Steam group 4 fitted with stationary siphons
Steam groupings 4 and 5 fitted with spoiler bars
Drier group 1 configured with unirun drier fabric
Drier groupings 2 and 3 configured with standard top and bottom drier fabrics
Open gear drive train with part plastic, part metal gear wheels
Partially enclosed hood with 2-fan PV System. Incorporates heat recovery from flash steam and condensate sources
Automatic fabric tensioning (E & L)
Automatic rope stretching (William Kenyons)
SSD touch screen HMI control stations, installed 2005

Calender
2 x roll hard nip calendar

Pope
5-tonne overhead crane
UTM pulper with consistency control
IBS automatic sheet turn-up system
30-reel spoils
Belt driven, reel spool speed up system
ABB Smartplatform scanner
Maximum gross deckle: 2580 mm

General
Anti-friction roller bearings throughout
Automatic grease lubrication system
Condition monitoring sensors installed on all major rolls, cylinders etc.
HP showers on wet-end and press clothing, fitted with ruby nozzles
Thermo compressors on dryers
DCS control on stock prep
Computer on machine ABB Advant 1190

Spares
All major rolls
Motors and gear-boxes for all drive positions
Full set of machine clothing

Rewinder
Masson Scott Autotorque, twin-drum winder
Max operating speed: 1800 m/min
2 x unwind stations for tambours
Unwind and rewind 1500 mm Ø
Shaftless rewind
Brake driven tension control
Rider roll
Hydraulic reel lowering table
PLC controlled, Eurotherm drive system
Trim handling and conveying system
Trim bale compactor
Twin motor drive R/hand from unwinds

Dissolved air floatation unit
Meri Deltafloat model 23, installed 1990
Floatation surface area: 23 m²
Maximum flow rate: 185 m³/hour
Operating in partial pressurisation mode

Drum thickener (N° 2)
Hedomora drum thickener
Drum dimension: 0,75 m Ø x 5 m face length
Thickens from 0.8% to 4.5%
Spare drum