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BELOIT COPY PAPER AND NEWSPRINT, CAPACITY 170,000 TONS/YEAR, PAPER MACHINE

Make : Beloit
Model : 1998
Width : 6.45m trim
Application : copy paper and newsprint
GSM : 40 to 120 gsm, on LWC 54 to 85gsm
Capacity : 170,000 tons/year

General:
Machine was designed for copy paper and newsprint. During last five years machine has been producing mainly LWC grades, improved newsprint (MF) and newsprint all in a ratio of approximately 70%,20% and 10%.Prouction varies between 23 tons at 45 gsm newsprint at 1330 mpm and up to 35 tons producing LWC at 1200 mpm.
Width: 6.45m trim, drive r/hand. Manufactured by Beloit Spain.
Capacity: 170,000 tons/year, 40 to 120 gsm, on LWC 54 to 85gsm
Daily production 506 t/.day and record production 785 t/day
Speed design: 800 to 1500 m/min
Operational Speed: 1330 m/min. New air dryer system 2003, stabilization boxes into first dryer section 2003. Heat recovery system installed 2008.

Headbox:
General description: Concept IV-MH (Converflo type) from Beloit with Cleanvac from
Alfa Laval deculator system with a tube battery for consistency control.
Speed design: 1500 m/min
Design flow: 76,500 l/min(first step)
88,300 l/min (second step)

Forming section:
Hybrid former: standard fourdrinier on bottom position with high capacity Belbond on top.

Fourdrinier bottom former:
General description: 15,000 mm between breast and couch roll axis
Breast roll Ø 965 mm, face 7210 mm
Couch roll Ø 1118 mm, face 7210 mm, vacuum boxes 153 mm and 203mm
Driven roll Ø 978 mm, face 7210 mm
Back rolls 4 units,Ø 711 mm, face 7210 mm
Forming board: 1 leading blade, 3 trailing blades
Hydrofoil boxes: 3 units containing 5 foils each one
Vacufoil box: 6 foils units
Flat suction box: 2 units

High Capacity Belbond Top Former:
Lead in roll Ø 965 mm, face 7210 mm
Driven roll Ø 978 mm, face 7210 mm
Guiding roll Ø 711 mm, face 7210 mm
Stretcher roll Ø 965 mm, face 7210 mm
Inverted curved suction box: 2 suction zones, 1 autoslide bar, 20 foils
Inlet vacuum box: 1 leading blade, 18 Blades
Transfer vacuum box: 17 blades

Stock: Belmond bottom wire: dryness 19.5%
Wire section
Press Section:
Supplier: Beloit and Kusters
Type: Tri-Vent plus suction pick up
Contacts: 3 Nips with a center press roll
Loading pressures: 90 Kg/cm 1st press, 109 kg/cm 2nd press and 130 kg/cm 3rd press.
3rd press, 2nd press, 1st press: dryness 43.5%
Press section
Pick up Roll:
 Ø 914 mm, face: 7036 mm, high vacuum box width 100 mm, low vacuum box width 127 mm
1st Press: Ø 835 mm, type HV, manufactured by Kusters
Top suction roll 1st Press: Ø 1218 mm, face: 7086 mm, high vacuum box width 152.4 mm, low vacuum box width 798 mm
2nd Press: Ø 835 mm, type HV
Centre roll: Ø 1550 mm, face: 7240mm, cover: Microrock
3rd Press: Ø 835 mm, type HV
Guiding rolls: Ø 580 mm, face: 7391mm
Spreader rolls Ø 267 mm, face: 7391mm

Pre Dryer Section:
General description: Bel-Champ by Beloit: single tear configuration with 31 drying cylinders and vacuum rolls (PV-ROLLS), 6 Drying Groups with enclosed gear drive, rated pressure 5.3kg/cm2 (75 P.S.I)
Drying cylinders: Ø 1829 mm, face 6985mm
Baby roll: Ø 1220 mm, face 6985
Guiding fabric rolls: Ø 508 mm, face 7340
Vacuum rolls: Ø 609 mm, face 7342 mm
Pre-Dryer section
The dryer section is also equipped with a moisturizer unit (water spray nozzles) in dryer 26 for curling and moisture profile control and Duocleaner express for cleaning dyer fabrics in first and second group. The dryer section was rebuilt in 2003 by Metso in order to install stabilization boxes (HI RUN) in the first and second group to improve web stabilization in the edges.

Metering Size Press:
General description: Coating /sizing station consists of two big diameter application rolls in an inclined size press standard configuration. “Short Dwell” headers apply coating or sizing over the application rolls through application rods.
Top roll: Ø 1313 mm, face 6970mm, 55 PJ cover
Bottom roll: Ø 1313 mm, face 6970 mm, 45 PJ cover
Guiding rolls: Ø 630 mm, face 6990 mm
Spreader roll: Ø 267 mm, face 6990 mm, type Mount Hope.

Airturn and Air dryer Hood:
After the rebuid of the machine in 2003 in order to produce coated grade, an Airturn system
was installed after the coating station, both for guiding the wet web entering the air dryer hood
and to control web tension.

Post Dryer: 
General description Bel-Champ by Beloit: 7 drying cylinders in Slalom Configuration, rated pressure 5.3 Kg/cm2 (75 P.S.I)
Drying cylinders: Ø 1829 mm, face 6985 mmk
Post-Dryer section

Soft Nip Calender:
General description: two-roll soft calender: Thermo roll (metallic hard roll) plus MHV roll (soft roll). Two nips with inverted roll order: hot roll at top (1st cal.), hot roll at bottom (2nd cal.).
Thermo roll: Ø 1168 mm, face 6970mm, carbide tungsten cover
MHV roll: Ø 803 mm, face 6970 mm, CCR roll with 34 control areas.

Reel:
General description: Beloit HLR, maximum winding diameter Ø 2800 mm, goose neck type turn up system, automatic spool loading system.
Drum: Ø 1220 mm, face 6758mm, water cooled, spiral grooved to avoid air entrapped cover.
Primary arms: through hook shaped forks, pneumatic loading system, electrically driven.
Secondary arms: pivoting arms, pneumatically loaded.
Spools: 12 units, Ø 730 mm, face: 6990 mm
Rebuilt in 2010 in order to upgrade control system to Siemens S7.

Spares:
Complete with all spares and spare rolls.

Drive Section:
General description: ABB AC Sectional Electric Drive, 50 Hz, 500 volts, 3-phase.Type ACV 700 in all sections but bottom wire ACA and winder nº2 ACS 600.
Speed design: 150 m/min

QCS and DCS:
General description: DCS based in ABB AC 450. QCS system from ABB
Scanners: 2 frames: one before sizer and at reel
Measures before sizer: grammage, moisture, ash content
Measures at reel: grammage, moisture, gloss: top and bottom, shade, brightness, caliper.

Winders:

General description: two winders, two-drum winding concept, articulated rider roll wheels for adapting the RR pressure to the paper profile. Maximum speed: 2500 m/min, maximum diameter: 1525 mm.
Maximum trimmed width: 6470 mm, minimum possible trim 155 mm.
Core diameters: 70, 76, 100, 120,150 mm
Web tension range: 750-2000 N/m
Main functions: automatic set change, automatic rider roll pressure control, automatic web tension control.

Other equipment:
Ultrafiltration unit: supplied by METSO, capacity up to 800 m3/day
Web detection systems: web inspection system from ABB (WIS), installed at reel position.
Web detection cameras: high speed cameras and complete software system from PROCEMEX.

Three compressors Atlas Copco model FD1600.
One air dryer moeld FD1600

Voith roll wrap system wrapping in paper with floor lowering lift and conveyors feeding into roll warehouse.

Ref : 10115