2450 mm Low GSM Kraft paper machine

Paper/trim width          2450 mm (2500 mm possible) 
Manufacturer:               Papcel Litovel, Czech Republic 
Grammage range          30 – 120 g/m² (currently from 40 gsm) 
Production Capacity:   Approx. 60 t/day depending on grade 48 t/24 h (50 g/m²) or 66 t/24 h (70 g/m²) 
Max Operating Speed  300 m/min 
Paper Products             originally sulphate technical papers 
                                       Currently kraft papers for paper bag production, 
                                       Fluting 
                                       virgin pulp based or recycled paper based 
                                       Also produced printing/writing papers 
                                       Also glassine papers °SR 75 

Applications                 Mainly for packaging and wrapping; 
                                      supplied calendered or uncalendered
Year:                             1986 with many upgrades 
1998 headbox, wire part, approach flow rebuild 
2006 modernisation of steam + condensate system 
2010 new fully enclosed hood 
2010 new rewinder spreader roll 
2021 new QCS Honeywell, profile control of headbox in CD and machine direction, 
2022 New high pressure pumps
2023 complete retrofit of refining, new instrumentation 
2021-23 New AC drive Siemens for PM

Approach flow 

Low density cleaner station Kadant (1997) – two stage, with cca 12 cleaners in 1st stage 
Stainless steel tank with inclined bottom and agitator cca 50 m3 
Stainless steel tank with inclined bottom and agitator cca 40 m3 
Stainless steel tank with inclined bottom and agitator cca 40 m3 
Stainless steel tank with inclined bottom and agitator cca 40 m3 
Headbox screen Papcel PK200 with slotted basket. Screening area 2,0 m2. 
Fan Pump Ahlstrom ZPP11-250 (1999), Q= 140-250 l/s

Paper machine
Headbox Papcel Litovel, 40–135 g/m², width 2650 mm, max. flow 200 l/s, consistency 0.3–1.2%, slice opening 0–45 mm, 2pcs defloculation rolls 16 - 79 rpm adjustable, 17 pcs lip control bars with automatic control, regulation of headbox stock and pressure level, hydraulic opening of headbox cover 

Wire section Papcel, rebuilt in 1998; 33,950 mm length × 2800 mm width; gravity and vacuum sections for initial dewatering. 11 pcs dewatering boxes with Robaglas lining, activation foils and full ceramics (90% ceramic dewatering elements Leripa, Germany), suction box Trivac. Bronze breast roll with fixed doctor;Wire shaker; Suction couch roll 840 mm dia, drive roll 550 mm dia 

Press section Papcel; 3 presses (Combi press with suction PICK-UP roll (3 zones), central press roll, blind-drilled 2nd press roll; 3rd press with blind-drilled and smooth roll) 

Dryer section 26 cylinders in 4 groups; diameters 1500 mm; groups 1–3 with 6 cylinders, group 4 with 8 

Size press Not installed 

Machine Calander Hunt+Moscrop, 2 rolls rebuilt from originally 4 roll. Queen roll dia 520 mm and swimming roll dia 406 mm 

Measuring frame Honeywell Experion MX for cross-profile scanning of moisture and basis weight (installed 2021) 

Pope reel Tambour Ø213 mm × 2600 mm; drum Ø750 mm × 2600 mm; max. paper roll Ø1500 mm 

Drive Complete machine driven by Siemens AC drive system, upgraded 2015-2023 

Vacuum system 9 liquid ring vacuum pumps 

Rewinder Fampa PH25, double drum type, operating speed 1000 m/min, DC drive. 

Refurbished hydraulic system. 

OPTION - Krofta flotator diameter 5,5 m (SPC18) 

OPTION - Stock preparation – available; common for 2 paper machines, scope to be discussed 

Current production capacity 180 tpd of waste paper and 100 tpd for pulp. 

1x Horizontal pulper Papcel HV25 for waste paper. Chest lined with stainless steel. 

Operating volume around 20 m3. 

Reject goes into secondary pulper Papcel PSN30 (automatic washing operation in cycles)

1x HD Cleaner Lamort EPE 250/3200 with flow up to 3200 lpm. 

Primary coarse screen Celpap DS-30 with 2,2 mm hole screens 

Spare primary coarse screen as a backup (lower capacity). 

Reject screen – washing separator VSV-20 with 2,2mm hole screen plate, operated in automatic cycles 

Vibrating screen 

1x Vertical pulper Papcel VV36 for pulp or waste paper. Top Chest new (stainless steel) in 2023. Operating volume 14 m3. 

Roll guillotine above pulper for dry broke 

1x HD Cleaner Lamort EPE 250/3200 with flow up to 3200 lpm. 

1x Vertical pulper Jylhavaara as backup 

1x 1400 m3 pulper tank silo (stainless steel) with new Sulzer agitator 

1x 700 m3 pulper tank silo (stainless steel) with agitator 

1x 500 m3 tank (stainless steel) with agitator 

All pumps, instrumentation, piping, motors and other accessories. 

OPTION - Refiner line with 5 double disc refiners for flow up to 2000 l/min. Fully automatic control with pneumatic valves and consistency control. Variability to deploy 1-5 refiners depending on product type. 

3x Stainless steel tank with inclined bottom and agitator cca 20-50 m3 

Magnetic traps before refiners 

Double disc refiner Voith 0SDM with 250 kw/6000V motor (refurbished by Voith) 
2x Double disc refiner Voith 0SDM with 200 kw/6000V motor (refurbished locally)
2x Double disc refiner D4-500 (local manufacturer, year 2003 refurbished 2023) with 250 kw/6000V motor 

All pumps, instrumentation BTG and Yokogawa, piping, motors and other accessories.

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