PAPER MACHINE 3800 mm for Printing and Writing Paper. Speed: 600 m/min. GSM Range: 45 to 150. Capacity: up to 150 TPD. The machine is complete with stock preparation.
PAPER MACHINE 3800 mm for Printing and Writing Paper
Speed: 600 m/min. GSM Range: 45 to 150. Capacity: up to 150 TPD.
The machine is complete with stock preparation (100% recycled paper), approach flow equipment and winder.
STOCK PREPARATION AND APPROACH FLOW:
1 Pulper long fibre 20 m3, high density, stainless steel; 1 Pulper short fibre 20 m3, high density, stainless steel; 2 High density cleaner systems; 2 Deflakers; 2 Double disc refiners 24’’; 1 Blending chest; 1 Filler for kaolin and calcium carbonate; 1 Preparation line for starch mix; 1 Preparation line for cationic starch; 1 Colour line; 2 Turboseparators; 1 Retention agents line; 1 Anti-foam line; 1 Broke line; 2 Polidiscs; 1 White water surplus treatment
The Paper Machine approach flow consists in the following equipment:
Fan Pump (dismantled and stored) manufacturer: ABS SCANPUMP, Year: 1992. Type: Z22 450/400-50. Flow rate: 1440/1560 m3/min, Head: 16.5/21 m
Fan Pump: Flow rate: 3200 m3/min, Head: 21 m.
Primary Screen (dismantled and stored), Manufacturer: Voith, Type: Select-fibre size 20. Screen basket: slotted 0.35 mm (by Andritz). Rotor: RO-TEC with 27 foils, adjustable (by Andritz)
Secondary Screen (dismantled and stored), Manufacturer: Escher-Wyss, Year: 1992, Type: Omnisorter 0S2-BR
3 Pressure screens 70 t/d
White water tanks with pumps, piping and automatic or manual valves.
HEADBOX, Manufacturer: Valmet Como, Year: 1995, Type “C”
Lip profile control: 34 slice micro adjustors, Output width: 4050 mm
Throughput: 9679 – 29038 l/min. Designed speed: 600 m/min. Designed production: 150 TPD
Frame: Stainless steel. 2 Rectifier rolls (stainless steel)
Type: Cantilever system, frame in stainless steel and carbon steel lined with stainless steel sheet
Manufacturer: OMMA. Year: 1992. Upgrades: 2001 (by Valmet Como / Metso)
Wire length: 31135 mm. Wire width: 4200 mm. Dewatering length: 12850 mm
The Press Section consists wirth a Pick-Up Press (UNIPRESS) and a 2nd Press.
Dryness at the press section outlet: from 45% to 48%
PICK- UP Press (UNIPRESS). Type: Suction pick-up press, Manufacturer: Carcano KWM – upgraded by Metso in 2001
Pick-up roll: Carcano KWM – diam 812 mm – rubber covered driven – adjustable sides deck
Counter roll: Metso diam 845 mm (rubber covered in Microrex) spare roll in granite diam 875 mm.
Nip pressure: 50 N/mm. Stands in stainless steel. Tail shooter (Metso)
2nd Press. Type: Nipco press. Manufacturer: Escher-Wyss.
Bottom roll: Nipco roll diam 545 mm – equipped with an adjustable pressure zones system.
Top roll: diam 955 mm – rubber covered. Nip pressure: 120 N/mm
The Pre Drying Section consists of the following elements:
Dryers: 17 in grey cast iron manufactured by Valmet Como in 1995. Working pressure: 4,9 bar
Diameter: 1500 mm. Face width: 3950 mm (tender side is grooved for ropes). Frames: manufactured by Voith
The tail-threading is performed by ropes. The grooves for the ropes are on the dryers’ shells and not on free pulleys. Rope stretchers are in the basement under the machine and are manufactured by OMMA.
The after-drying section rebuilt in 1995 is formed by 10 drying rolls with dia. 1500 mm, face width 3950 mm and an operating pressure of 4,9 bar (VALMET COMO).
The first two dryers after the size-press are TEFLON coated and have no drying wire. The rest of the dryers form a battery with two wires, top and bottom.
The Post- Drying Section consists in the following elements:
Dryers: 10 in grey cast iron manufactured by Valment Como in 1995. Working pressure: 4,9 bar. Diameter: 1500 mm. Face width: 3950 mm (grooved for ropes), frames are manufactured by Valmet Como
Manufacturer: Voith (Rolls) – Sonotec (Frames). Type: Pond
Rolls: diam 595 mm – face width 3845 mm – rubber covered both rolls are driven
STEAM AND CONDENSATE SYSTEM Manufactured by LANGBEIN & ENGELBRACHT and includes:
10 Pumps for condensate separators. Exchangers. Electronic adjustment control.
Valves and instruments. The control panel of the steam system is located in the control room.
Manufacturer: Escher-Wyss / Nipc. Type: Hard-nip.
Top roll: Equitherm roll diam 660 mm – face width 3950 mm. Bottom roll: Nipco roll diam 500 mm – face width 3950 mm. Nip pressure: 95 N/min
QCS Bridge Scanner
Manufacturer: ABB. Year: 2002. Control: basis weight, dryness
DCS system for controlling the whole machine and stock prep systems ABB / Metso.
Fault detection system
Manufacturer: ABB. Year: 2002. Type: ULMA NT. 4 High definition cameras (air cooled)
Manufacturer: Valmet Como. Year: 1995. Type: Automatic with spools landing
Drum: diam 1100 mm – face width 3900 mm. 6 Spools: diam 400 mm – face width 4000 mm –
dual toothed joints. Jumbo rolls: max diam 2600 mm
Manufacturer: Jagenberg. Model: Varistep TR 43. Year: 1992
Effective Trimmed Width: 3800 mm. Primary reel diameter 2400 mm. Secondary reel diameter 1525 mm. Max speed: 2000 m/min