VER3466 - 2300 mm trim Complete Board Mill for Grey and White-grey Board
Product: board grey - white – coloured
The paper machine can make 2 or 3 layers with different furnish
Basis weight: 270-1050 gr/m2
Daily production: 85 tons
Yearly capacity: 27.000 tons
Machine trim: 2300 mm trimmed width
Orientation: right side sectional DC drive
Speed: 80 m/min
Manafacturers: Celli (paper machine); Voith-Toscotec (stock preparation); Jagenberg-Pizzolato (cutting)
Year of construction: 1963/1970
Major rebuildings: 1994 boiler; 1995 forming section; 1995 press section; 1995 steam sistem; 1995 sheet cutter; 2005 machine drive system; 2007 process control; new middle line stock preparation not assembled
Stock preparation
Composed of 3 independent lines:
1. Top line:
Inox high density bi-pulper mod. Voith (year 1985 + overhaul 2007) VS 12 mc. + Celli high density rotor on top (year 1990) + cleaning system
One stage high density centricleaner Voith type S
Conical refiner Voith mod. 2R
Disc refiner Voith mod. 1E
Vibrating screen Finckh mod. E2 1,5 m2
Vertical pressure screen Finckh BA 2 169 F
Consistency control and regulator EuroConrol
2. Middle line:
Inox medium density pulper Toscotec mod. TM 20 20mc + automatic control panel and equipement for continuous pulping (capacity 150 Tpd - NEW)
Ragger Voith
Inox secondary pulper Toscotec mod. Vortiscreen VS 1 for continuous cleaning and fibre ricovery fully automated (NEW)
Inox trommel Toscotec mod. rotary screen (NEW)
Turboseparator Voith mod. ATS fully automated (fully overhauled 2007/2008)
One stage high density centricleaner Voith type S
Conical refiner Voith mod. 2R
Disc refiner Voith mod. 1E
Inox centrifugal pressure screen Toscotec mod. ECT 2 (year 1997)
Vibrating screen Finckh mod. E2 1,5 m2
Consistency control and regulator EuroControl
3. Back line:
Inox medium density horizontal pulper Voith mod. AP 8 m3
One stage high density centricleaner Voith type S
Conical refiner Voith mod. 2R
Disc refiner Voith mod. 1E
Vibrating screen Finckh mod. E2 1,5 m3
Vertical pressure screen Finckh BA 2 169 F
Consistency control and regulator EuroControl
N° 2 conveyor belt for pulp or waste paper size 30 m x 1.40 m
Pumps, pipes,valves, level meters, regulator and electrical equipment for each line
Steel silos for caolin powder 30 tons
Fully automated dosing and mixing system for caolin or CaCo3 slurry for each line
Board machine:
1. Wire section (new in 1995) composed of:
N° 1 mould former for top line
N° 5 mould formers for middle line
N° 1 mould former for back line
N° 2 spare drums
N° 9 inox wet suction boxes
All formers Ø 1250 mm, trim 2500 mm
All headboxes are inox Aisi 304
N°1 F.I.P. high pressure pump for cleaning
N° 2 Robuschi vacuum pumps; all pipes are stainless steel
N° 2 independent DC drive, right side (new in 2005)
2. Press section (new in 1995) composed of:
N° 3 triple felted press Celli torpresses Ø 300 mm with “fabric” felt on top
N° 3 double felted press Celli torpresses Ø 700 mm
N° 2 Caprari high pressure pumps for cleaning (2008)
N° 1 Azmec vacuum pump mod. ALZ 100/2000 for 2 different vacuum sections (1995), with stainless steel box separator and pipes
N° 9 stainless steel wet sunction boxes
N° 2 independent DC drives, right side (new in 2005)
N° 1 stainless steel pulper Celli for board broks under the first Ø 700 press
Board dryness after press section is about 49,5-50 %
3. Pre dryer composed of:
N° 18 drying cylinders Ø 1500 mm, trim 2450 mm. Celli – Over Meccanica steam and condensate system for 3,5 bar ( Lang – Regler system regulation new in 1995 with full condensate recovery)
Pre dryer is divided in 4 progressive batteries of cylinders with independent DC drive each (new in 2005) right hand (cyilinders N°: 4+4+4+6 )
Brunschweiler hood with heat recovering and N° 4 extraction-blowing fans
Ropes for pulling boardtail
4. MG cylinder Over Meccanica Ø 2500 mm, trim 2500 mm, complete of:
Press Ø 500 mm
Hood with heat recovering and extraction fan
N° 1 independent DC drive, right side (new in 2005)
Ropes for pulling boardtail
5. Post dryer composed of:
N° 9 drying cylinders Ø 1500, trim 2450 mm. Celli – Over Meccanica steam and condensate system for 3,5 bar ( Lang – Regler system 1995)
Brunschweiler hood with heat recovering and extraction fan
Ropes for pulling boardtail
N° 1 independent DC drive, right side (new in 2005)
N° 4 new drying cylinders Ø 1500 mm, trim 2450 mm + trasmissions spare
N° 2 new drying cylinders Ø 1000 mm, trim 2450 mm + spare
6. Cooling section composed of:
N° 2 cooling cylinders Ø 1000 mm, trim 2450 mm
7. Machine Calender
N° 4 rolls
N° 1 independent DC drive, right side (new in 2005)
8. Process control (NEW year 2007):
TGS system computer measuring, monitoring and recording trends and board profiles for all trim machine of wet and dry grammage, humidity, speed, steam regulations and flow valve head machine
PLC touch panel Siemens for board machine full automitization and integrated control
9. Pope reel Ø 1000 mm, trim 2500 mm, for rolls Ø 1800 mm
N° 1 independent DC drive, right side (new in 2005)
10. N° 30 stake winding pope rolls
Sheet cutters:
1. Pizzolato Duplex synchro sheet cutter:
On line with board machine bypassing pope winder
Year of construction: 1975
Range of grammage: 200 to 1100 g/m2
Cutting width: 2350 mm
Cut length 550 to 1600 mm both blades
Pneumatic sheeter
On line DC drive right hand (new in 2005)
Control panel
2. Jagenberg Synchro Duplex sheet cutter:
Off line
Year of construction: 1970
Fully overhauled and upgraded in 1995
2 rolls cutting simultaneously possible
Range of grammage: 250 to 1100 g/m2
Cutting width: 2600 mm
Cutting length: 520 to 1800 mm both blades
Speed: up to 300 m/min
Max pallet heigth: 1800 mm
Sheet deflector
Longitudinal knives with pneumatic regulation
Cutting length digital control panel
Automatic metering system
Automatic stop and discharging system for broken sheet
Pneumatic sheeter
Control panels
DC drive (2 motors)
Automatic cutting groups lubrication
Blades and knives spares
A lot of spare parts
Excellent conditions
Laminator and duplex synchro sheet cutter on line:
Machine to assemble and cut in sheet using up to 4 board reels with hot glue
Manufacturer: Pizzolato – Over Meccanica
3 combiner nips
Grammage: up to 3000 g/m2
4 reel unwinding (new air brakes control + air compressor)
Pizzolato duplex synchro cutter 2350 mm max width + grammage cut up to 3500 g/m2
Cutting length: 500 to 1800 mm both blades
Working width: 2300 mm
Glue heating system
Glue tank
Control panel
AC drives left hand
Boiler:
Bono diathermic oil boiler mod. OIL MATIC OMP 8000/n+CH4
Steam generator mod. EVO 1200
12 tons/h steam at 12 bars (8 millions Kcal/h)
Efficiency: 92%
Fuel: heavy oil – diesel – natural gas
Year of construction: 1994
Fully overhauled 2007
All new steam generator pipes in 2007
New diathermic oil in 2007 (+ analysis report 2008)
New hardness water treatment in 2007
N° 2 water tanks
Oil pump, water pumps, spare parts
Control panel
Fully automated; operator not requested
Air compressors:
- Atlas Copco mod. GA 37
37 kw - 5,88 m3/min
Fully overhauled in 2007
- Ceccato mod. CRA 30
30 hp – 4 m3/min
- Ceccato mod. 4733
Piston - 10+10 hp – 2500 l/min
- Dewatering system NEW 2007
- N° 2 tanks
Overhead travelling cranes:
N° 2 Demag 5 tons
N° 1 Demag 3 tons
N° 1 Demag 2 tons
N° 1 5 tons spare beam
N° 2 5 tons special hook for Ø 1800 mm rolls
Included special trolley to move rolls up to 6 tons without cranes
Water treatment plant:
First stage is composed of:
600 m3 sedimentation tanks with Voith rotating fibre recovery system
High density pump
N° 2 centrifugal pumps
Second stage is composed by:
Pysical – chemical and biological treatment
N° 2 rotating biodiscs Siemens Water tech. mod. D3600 L-S (Sernagiotto) Ø 3600 mm, length 8000 mm, good condition (year 1995)
N° 1 rotating biodisc Siemens Water tech. mod. D3600 L-S ( Sernagiotto ) Ø 3600 mm, length 8000 mm
300 m3 circular sedimentation tanks mod. Siemens Water tech. (Sernagiotto) with rotating bridge for mud recovery
High density pump to send mud to pulper or to wet lap press
Wet lap press Siemens Water tech. (Sernagiotto) mod. 500, size 3840 x 1010 mm, power 0.55 Kw
Water treatment tanks are reinforced concrete (cement)
Main electrical cabins:
N° 1 dry power transformer from medium to low voltage, size 1000 KVA (year 2001)
N° 1 mineral oil power transformer from medium to low voltage, size 800 KVA (year 1994)
N° 1 power transformer from medium to low voltage, size 315 KVA
Main switch panel
All electrical devices and live wire
In this list are included:
All electrical cabinets and live wire pertinent to the above machinery
N°13 section DC drive system with electrical cabinet, control panel engine, new spare DC engines, and electrical spare parts each
Pipe lines existing
Pneumatical and manual valves existing
Pumps installed
AC motors installed and many AC spare motors
New spare wet pick up felt, wet presses felt and many new and used felts for dryer batteries
Spare reels for wet and dry section
Many spare bearings for most important parts
Spare parts: process pumps, motors, transmissions and belts, sealing devices, packings and gaskets
The machinery is installed, well maintained and was in perfect working condition until the production stopped
Videos and photoes of the machinery in operation are available
Idled August 2008
