machinery
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Paper machine 4000 mm
deckle, wire section and former is a 1974 Beloit BEL-BAIE with two wires,
flowbox is a stainless Converflow year 1992 with 38 positioners, width of slice
4370mm, design speed 850 m/min at 40 gsm. This is a basement machine with drive
on the right from the flowbox. Wire one has length 15.55m and width 4550mm and
wire two has length 15.56m and width 4550mm. Production: coated sheets and reel
papers. Output production: 475 t/day. 1989, 1999 and 2007 rebuilds. Machine is
equipped with high speed cameras. Range 50 to 100gsm on
current papers produced. Fully coated range of
papers: 90 to 150gsm. Speed range: 400 to 800
m/min on current papers. PRESSES Suction pick up
roll to combi press. Press loadings are: 1 65 Kn/m 2 75 Kn/m 3 35 Kn/m(smoothing press)
DRYER SECTIONS Predryer Black Clawson dryers from
1960 and Beloit cylinders from 1974 with A/F bearings, auto central lubrication
system, internal gears in framing, sectional electric drive, Thune auto felt
guides, bolted cylinder ends, internal scoops, auto felt tensioning, diameter
1500mm, thermo compressors in system. First section
operating at 3 bar pressure. Second section
operating at 3 bar pressure. Third section
operating 3 bar pressure. Fourth section 3.5 bar
pressure.
Precoater, fifth dryer
section and draw press Voith speedcoater, year
2000, scanner from Honeywell (2003) positioned before coater, infra red dryer
after precoater with 28 zones crossmachine moisture control, under machine
pulper. Fifth
section 3.2 bar pressure. A draw press is placed
before the first top coater. Crossmachine caliper control with 54 zones (heating
the roll). The crown of the küster roll and the edge load are controlled by the
computer.
Topcoater, sixth and seventh
dryer section softcalender and pope Jagenberg blade coater 1
with gas infra red dryer and air float dryer, scanner from Honeywell (2003)
after each coater. Crossmachine coat control by Honeywells Procoat (54
zones-2003). Sixth section: 3.2 bar
pressure. Jagenberg blade coater 2
with gas infra red dryers and air float dryer, scanner from Honeywell (2003)
after each coater. Cross machine coat control by Honeywells
Procoat (54 zones-2003).
Seventh section: 3.2 bar pressure. Tail transfer from last cylinder to pope by Metso Foilforce system (2005). Softcalender and pope UMV tandem soft nip
calendar: each set of two rolls comprising heated roll and Küster roll. Cross machine scanner for
measuring gsm, profile, moisture, calliper and ash. UMV horizontal reel up with
multi reel shell storage and reel shell accelerator. Two overhead cranes for
wire/ roll changes and reel changes: 20 ton capacity. Finished reels go to
basement for rewinding. BASEMENT Dry end pulper Beloit Shark
44” with side entry agitator Hydraulic system for soft
nip tandem calendar and draw press Compressor model CD12 Coating tanks with pumps for
top coater Coating tanks with pumps for
pre coater Beloit stainless Shark
44”pulper with side entry agitator below draw press Beloit stainless Tampella
pulper with side entry agitator below precoater Beloit stainless two
Integral 36” Walmsley pulper with side entry agitator below central roll,
press section Beloit stainless two
Integral 30” Walmsley pulper with side entry agitator below couch pit Vertical tank (Perivac Noss)
for air removal from stock Vertical tank for air removal from
stock Vacuum pumps Nash 2002 Sulzer Sugpress RC3A4N Nash 2002 Nash 2002 Nash 181-80-SO6 Nash 181-80-SO6 Nash 9002 Nash 9001 Nash 702 Nash 2001 WINDER
Jagenberg winder model 58-15
Vari flex, 4300mm width, year 1997, shaft unwind with brake generator 110 kw and
shaftless rewind with twin motor drives, tail tape feed, auto core feed, auto
set 14 slitters of Autotrim Rollteck manufacture installed 1989 and the control
system was changed in 2007, roll diameter in and out 1500mm, speed 1830 m/min.
STOCK SYSTEM Chests: hardwood and softwood,
stainless steel with side entry agitators, located in the rolls store, of
recent manufacture. Concrete chests for hardwood with
Walmsley side entry agitators. Concrete chest for softwood with
Walmsley side entry agitators Pump for CTMP located at three
concrete chests with Walmsley side entry agitators. Refiners for PM6 are: Two Beloit 34” 4000 series for
softwood Hardwood refiners: one Beloit 34”
4000 series rebuilt to multidisc 1999 and a JCO3 CTMP passes via two Celwood
Grubbens deflakers Blending chest: stainless with side
entry agitator with drive via a horizontal belt. Concrete machine chests with
Walmsley agitators. Wire pit pump: Ahlstrom Cleaners: Celleco LD type cleanpac
in six stages. First 112 cleaners, second stage 48 cleaners, third stage 15
cleaners, stage five 2 cleaners Rejects treated with an Autrex
screen model CD700 110/110 to recover clay. Voith stainless pressure screen
with V belt drive model 31 , slotted basket. Rejects to a secondary screen
GLV/ Jonsson vibrating screen model V2. Rejects from secondary screen goes
to a Tampella vibrating screen. System has three Valmet pressure
screens no longer in use. Year of manufacture 1997. These screens are painted
blue. From uncoated broke chest stock
goes to two Esher Wyess model E2K
deflakers and finally to a blend chest. OUTSIDE AT REAR OF STOCK PREP Tank for hardwood retention agent
EKA NP442 One chests with conical bases for
uncoated broke for PM6. WHITE WATER SYSTEM PM6 Chest for wire pit with Walmsley
side entry agitator 36-10-820 Beloit Polydisc filter with
stainless covered discs, full cover with variable speed drive, 12 discs fitted
with additional spaces for further discs, internal showers, year 1974 and
rebuilt 2004. Sweetner stock
addition and unit operates on natural vacuum leg. Redundant
filter in stainless steel which was used for shower water. Cloudy
filter chest, concrete. Concrete chest for clean filtrate, pumps for clean water next to the system or two combined towers (600 and 700 m³) at the rear of the building. |