Basic information.

• PM2 start-up 1971
• rebuild 1990 and 2004
• product: uncoated magazine paper
• production capacity 290 000 tonnes
• basic weight range 44 – 57 g/m2
• widht 8.35 m
• speed 1500 m/min
• (3 supercalanders, Not available)
• 3 winders
• raw materials: groundwood pulp, thermomechanical pulp, chemical pulp and fillers

• headbox Valmet OptiFlo 2 with dilution profiling (2004)
• wire section Valmet OptiFormer LB (loadable blades) (2004)
• press section Valmet SymPress B with 4th press (1990/2004)

– shoe press in 3rd nip (2004)

• drying section Valmet SymDry (1990)
  • –  4 single tier drying groups, 2 double tier drying groups
  • –  ropeless tail threading (1990/2004)
• max designed structural speed of parts rebuild in 2004 is 1700m/min, parts from 1990 rebuild 1400m/min, drives build for 1550m/min, machines 24 hour production speed record is 1551m/min and avg. speed around 1500 m/min
• paper widht at reel 8430mm, max trim capability at winder 8350mm
• CD weight control with dilution valves 2004, Metso DNA. Moisture profiling at press section with Measurex-Devron steambox 1992 (57 control valves), at reeler with Voith Module Pro moisturiser 2007 (2014). PCS Honeywell TP Alcont. MxOpen QCS 2003. Siemens Drives system, Simoreg, Simovert. Web brake monitoring system and defect detection Procemex (WBS/WIS) 2015-18.

Short circulation

• process pumps mainly by Ahlström

• deculator-cleaner

– originally from Clark&Vicario in 1971, dia 2,4m, shell length 10,955m, (5) 6 stages

– rebuild by Ahlström in1991(semi-cascade) • 1𝑠𝑡 stage RB 300/4”, 88 pcs cleaners
• 2𝑠𝑡 stage RB 300/4”, 25 pcs
• 3𝑟𝑑 and4𝑡h stageRB208CVP,22+10pcs

• 5𝑡h stage RB 208 CV, 3 pcs

– modified by Andrizt in 2009
• reduced amount of cleaners
• added 6𝑡h stage SC133CV, 2 pcs

– deculator vacuum system
• spiral condenser by Alfa Lavalin 2001, typeSHE-II-H • 2-stage vacuum pumps

– 1𝑠𝑡 Nash CL 3002, by Ahlström in 1980 – 2𝑛𝑑 Nash CL 402

• dilution water deaeration tank, Metso 2004, dia 1,4m, shell lenght 3,5m • machine screen by Metso in 2002

– type TLA 1200 H, slotted#0,25
• secondary screen from Valmet-Tampella from 1996

– type TL 200 T, slotted # 0,18
• dilution water screen, by Andritz in 2004

– type ModuScreen HB3, holes 1,4 mm

Water circulation

• Disc filters by GL&V Hedemora Ab, 2 pcs – VDF 5,2 X 14, year 1990
– VDF 5,2 X 17, year 1996

• other screens (sieves)
– bow screen for white water

• Enzo-Guitzeit, Hydrasieve 554-48, 3 pcs, in 1979/-95

– superclear filtrate screens
• AlfaLaval Celleco, TS-2, in1997 • Sweco WWF30,in1991

Broke system and chemical pulp refining

• Broke thickeners
– Celleco Centerdisc, type CDI 5.5 x 25 – 250, re-installed to PM2 2014 (2004) – Celleco/Hedemora, DrainPac 106 from year 1995

• 3-stage broke screening by Andritz in 2001

– 1𝑠𝑡 stage ModuScreen C&F2
• course (top) part, holes 6 mm • slotted bottom part,#0,20mm

– 2𝑛𝑑 stage ModuScreen F1, slots # 0,20 mm – 3𝑟𝑑 stage ModuScreen F0, slots # 0,20 mm

• chemical pulp refining
– from Sunds Defibrator JC-04 in 1998, 1150 kW, 3 pcs

PM2 wire section

• OptiFlo 2 headbox, dimensional rates;
  • –  flow widht 8940mm
  • –  max overall flow 2170 l/s, dilution percentage max 10%, max by pass 10%, design flow window 140 -210 l/s/m at consistency of 1,2%
  • –  consistency / CD weight profiling by dilution valves, 60mm partition
  • –  adjustable tilt
• Optiformer LB, main parts
  • –  former roll, shrink sleeve, dia 1600mm drilled, grooved (2011)
  • –  1 pre loading unit, 4 loadable blades in two units, SiC
  • –  curved multifoil shoe, 2-chambers, SiC
  • –  suction couch roll, dia 1600mm
  • –  HiVac suction box, SiC
  • –  wire conditioning, 2 HP showers in each wire, HiDry on inner and BlowCleaner (2006) on outer

PM2 press section

• Valmet SymPress B with 4th press

• –  PU suction roll, steel, dia 1064mm
• –  grooved, tungsten carbide coated (G-band) SymZS roll (dia 945mm) in 1st nip, covered (grooved and drilled) suction press roll (dia 1538mm)
• –  centre roll SymZLC (2004), dia 1600mm • PressGem/Jadesurface
• –  shoe press SymBelt (2004) in 3rd nip, dia 1425mm

• poly-urethane sleeve

• –  4th nip;
  • upper roll, centre roll –type, Valrok C, dia 1572mm • SymZS roll, PressFox cover, dia 975 mm (avg)
• –  Line loads up to 80/90/1000/150 kN/m
• –  Solid content after press 54%

PM2 Drying section

• Valmet SymDry, mainly from rebuild in 1990, 6 drying groups
  • –  cylinder diameter 1826mm, 41pcs, shell lenght 8839,2 (9074,15)mm, bearing centres 9956,8mm, overall lenght 10426,7 mm
  • –  cylinders originally build by Beloit in 1971. Steam joints and condensate removal equipment from Johnson (2003-04). Cylinder max. pressure 5 bar (overpressure)
• Dryer section parts 1-4
  • –  Vac Rolls in first four groups. Vac Roll diameter 1500mm, 16pcs, shell lenght 9012 (9086) mm, bearing centres 9850 mm, grooved/drilled lenght 8840 mm
  • –  PressRun blowbox (twin) before first cylinder (modified 2004)
  • –  Hi Run 2000 runnabilityn devices in first group, 3pcs, blowing widht 8800mm (2004)
  • –  Uno Run 3T boxes in 2-4groups, 13pcs (1990)
  • –  UnoRun ventilators 9 pcs
  • –  ropeless tail threading

• Dryer section parts 5-6
– double felted groups
– TwinRun geometry / runnability boxes 11 pcs in 5th group (2003)
– conventional geometry / UniFlow boxes in 6th, 10 pcs (1990)
– ropeless tail threading by TailDoc devices in 5th group (2012), DoubleForce 1 in 6th (2004)

• Dryer fabric tensioners rebuid by Vaahto in 2003, capability to 5 kN/m

PM2 Reeler

• conventional pope –type reeler from Beloit in 1987
• max reel size 2,7 m
• reel drive roll by Tampella (1990), double grooved, tungsten carbide cover, nominal diameter 1524 mm (actual 1518,6), roll face lenght 8790 mm, grooved lenght 8680 mm
• reeler tail threading with Valmet FoilForce equipment (2004)
• reel change with Reel-Jet S turn-up system, Paprima (2011)
• 2 pcs QCS scanners, Honeywell
• moisturiser Voith Module Pro 2007 (2014)
• WIS Procemex (2015)

Vacuum system and machine pulpers

• Vacuum pumps from Ahlström Sulzer
– 4 pcs Nash 904-T2 from years 1990/2000 – 3pcs Nash CL 9001 G from 1970
– 3 pcs Nash CL 9002 G, 1969/1970

• Machine pulpers, all from Tampella in 1990 3

– couch pit, type TA45-2G, 150𝑚 , rotors 2X75kW 3

– press pulper 1, type SD42-1G, 32 𝑚 , rotor 250kW 3

– press pulper 2, type SD42-2G, 40 𝑚 , rotors 2X200kW 3

– drying section pulper, type SD42-2G, 47 𝑚 , rotors 2X250kW

auxiliary systems

• Heat Recovery systems for Hood ventilation
• Lubrication and hydraulic systems
• Process pumps and motors
• Field instrumentation (automatic valves, flow meters etc…) • Machinery specific spare parts

• All existing documentation

• Excluded
– air compressors – cables
– overhead cranes

3*Winders

• Winder 22, originally by Beloit, was rebuid by Wärtsilä in 1984 to JR-1000, twin winder (TW 3). This multi-station type winder is designed for news MF 40-49 𝑔/𝑚2 and 34-60 𝑔/𝑚2 SC paper.

– max reel size 2500 mm, web widht 8500 mm

– max trim widht 8350 mm, structural/design speed 2500 m/min, drives 2300 m/min

– Autoreel-system for semi automatic reel change

– 13 pair of cutting blades, top Ø 190mm, bottom Ø 250 mm, inverter controlled motors 1,1kW • automatic positioning by Trimposit-system

– 9 roll stations, max roll dia 1500mm
• 3 HD stations, max widht 3800 mm, twin center drives, 17kW • 6 with max widht of 2640 mm, with center drive 14kW
• loading roll units modernized, equipt with belts in 2004

• Winder 22 was modernized by Raumaster in 2015 – automatic set change
– new MCS
– logic change from S5 to S7

– twin center drives to HD stations – safety improvements

• Winders 3 and 4
– WIN 4: build by Wärtsilä in 1980, KL 1000 / KL 1000 R
– WIN 3: rebuild by Valmet in 1990 / 1989, WINBELT
– designed for 45 – 60 𝑔/𝑚2 SC paper
– max reel size Ø 2500 mm, web widht 8550 mm
– max speed 2300 m/min, max/min trim widht 8450/8000 mm – Autoreel-system for semi automatic reel change
– 13 pair of cutting blades, top Ø 190mm, bottom Ø 250 mm – max roll dia 1500 mm
– Autochange-system for semi automatic set change
– MCS by CLS Engineering
– Strömberg/ABBdrives

Finishing

other / auxiliary devices

• Gross-cuttersforbrokerolls,2pcs

• –  both hydraulic guillotine-type with conveyors
• –  max roll widht 2600 mm and 3500 mm• Pulpers
• –  SC21-22, Tampella type SD24/1G, 8.4 𝑚 , SD24G rotor 55 kW, year 1992
• –  SC23, Sunds-Jylhävaara type JP-324V-G, 29 𝑚 , JP-3 rotor 132 kW, year 1990
• –  WI22, Walmsley LTD type Shark 28”, 9 𝑚 , EMB PP-600 rotor 55 kW, year 1969
• –  WI22 trim pulper, Jylhävaara type JP-23A, 19 𝑚 , JP-2 rotor 110 kW, year 1991
• –  WI3, Jylhävaara type JP-21A, 8.7 𝑚 , JP-2 rotor 75 kW, year 1980
• –  WI4, Jylhävaara type JP-21A, 8.7 𝑚 , JP-2 rotor 75 kW, year 1980
• –  WI3(4) trim pulper, Jylhävaara type JP-21A, 8.7 𝑚 , JP-2 rotor 75 kW, year 1980
• –  PM2 gross-cutter pulper, Jylhävaara JP-32, 31 𝑚 , JP-3 rotor 200 kW, year 1971
• –  PM3 gross-cutter pulper, Jylhävaara JP-33AE, 50 𝑚 , JP-3 rotor 200 kW, year 1980

Finishing

other / auxiliary devices

• Lubrication and hydraulic systems
• Process pumps and motors
• Field instrumentation (automatic valves, flow meters etc…) • Machinery specific spare parts
• All existing documentation

• Excluded
– air compressors – cables
– overhead cranes

REBUILDS

• Headbox Valmet OptiFlo 2 with dilution profiling (2004)
• Wire section Valmet OptiFormer LB (loadable blades) (2004)
• Press section Valmet SymPress B with 4th press (1990/2004), shoe press in 3rd nip (2004)
• Drying section Valmet SymDry (1990), 4 single tier drying groups, 2 double tier drying groups, ropeless tail threading (1990/2004)
• CD weight control with dilution valves 2004, Metso DNA.
• Moisture profiling at press section with Measurex-Devron steambox 1992 (57 control valves), at reeler with Voith Module Pro moisturiser 2007 (2014).
• PCS Honeywell TP Alcont. MxOpen QCS 2003.
• Web brake monitoring system and defect detection Procemex (WBS/WIS) 2015-18.
• Deculator-cleaner, rebuild by Ahlström in 1991 (semi-cascade), modified by Andrizt in 2009
• Dilution water deaeration tank, Metso 2004
• Machine screen by Metso in 2002, type TLA 1200 H
• Dilution water screen, by Andritz in 2004, type ModuScreen HB3
• Supercalanders, MCS by CLS engineering, S7 logic in 2013-2015
• Winder 22 was modernized by Raumaster in 2015, automatic set change, new MCS logic change from S5 to S7, twin center drives to HD stations
• Winders 3 and 4, build by Wärtsilä in 1980, KL 1000 / KL 1000 R, rebuild by Valmet in 1990 / 1989, WINBELT