VER 3745 - 5920 mm Voith-Sulzer Paper Machine for Newsprint and Book Paper

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Manufacturer: Voith - Sulzer, end of the 1950's
Reconstructions:

new rolls bearings in 1995;

new drying hood, heat recuperation system at the beginning of the 1990's;

new approach flow in 1996;

new headbox, wire part, new rewinder in 2000;

new drive in 2006
Substance: 45 to 63 g/m²
Capacity: 180 Tpd
Speed: up to 600 m/min
Wire width: 5920 mm
Trimmed width: 5540 mm
Right hand drive, multi motor
Stopped December 2007

Space for the installation: 2 floors, 120 x 27 x 12 m (basement floor height 5 m)

Approach flow
Noss cleaning station, horizontal type, 3 stages
Voith-Sulzer pressure screen, type VSI 10, VSI 20, 3 stages
Noss mixing pump

Paper machine description
Wire part
Sliding type wire table, including wire stretching equipment
Headbox "Module Jet", hydrodynamic type, including distributor
Dewatering elements: 4 open water boxes, 2 wet suction boxes, 6 dry suction boxes
Couch roll
Pick-up roll

Press part
First suction press: granite top roll; perforated, rubber covered, double felted bottom roll; working pressure up to 80 Kg/cm
Second press Venta Nip: granite top roll; grooved, rubber covered, single felted bottom roll; working pressure up to 80 Kg/cm
Third press Venta Nip: granite top roll; grooved, rubber covered, single felted bottom roll; working pressure up to 80 Kg/cm

Dryer part and steam and condensate system
At the beginning of 1990's new closed drying hood
Total: 48 dryers Ø 1500 mm, face 6000 mm, working pressure 2,5 - 3,0 bars
1 cooling cylinder Ø 1500 mm, face 6000 mm
Cascade type steam and condensate system
Central oil lubrication, including oil filters
In 2006 new drive for each section (all dryers arranged in 4 sections)
In 1995 new rolls bearings

Machine calender
Manufacturer: Escher Wyss, end 2006
Type: hydraulic
Number of rolls: 4; top and bottom rolls are NIPCO type
Working pressure: 80 Kg/cm

Measuring frame
Manufacturer: Lippke
Measuring: substance and moisture

Pope reel
Manufacturer: Voith-Sulzer
Type: hydraulic
Max winding Ø: 2200 mm

Slitter rewinder
Manufacturer: Voith-Sulzer, 1996
Type: 851 ML 545
Substance: 40-120 g/m^/
Products: newsprint paper, book paper
Max working speed: 2000 m/min
Max unwinding Ø: 2600 mm
Number of knives: 10
Max roll weight: 5500 Kg

Vacuum pumps
7 vacuum pumps, manufactured in Poland