4450 mm Linerboard Paper Machine

• Paper basis Weight: 80 – 200 GSM
• Trimmed width: 4450 mm
• Operating speed: 280 – 500 m/min
• Actual Capacity: 115 000 t/y
• Raw material: OCC
• Types of produced paper: One-ply Linerboard

Single ply paper machine Vaahto head box, Allimand press section, originally built by Black Clawson. Dryers cca 1500 mm diameter.

Energy consumption to make 1ton of paper 0.54-0.56MW, water around 8 m3, steam 6,5 GJ/t.

Paper machine:

• Headbox: Beloit Pressurized Headbox with perforated rolls, Q=15000-32000, b=4780mm
• Wire Section: Black Clawson, Steam Box                      
• New vacum suction boxes as below and new all ceramics foils (2021) on existing dewatering elements on the wire and press section (uhle boxes)
• Wire Pulper: 2 agitators , V=30m3
• Wire Pulper Agitator, U439 horizontal  N=7, n=13
• Press Section: Black Clawson and Alimand                                    
• Vacuum pumps: 2x Nash, 5x WP100, Low vacuum fan               
• Drying Section: Black Clawson, 2x Projet Drying Fabric Cleaners (1DG),
• VIB Moisturizer                               
• Size Press: PMP Pond Size press, 2rolls – steel and rubber 
• Starch Kitchen: Amylum
• Size Press Pulper: 2 agitators                                                        
• Calander: Valmet, 2 rolls                                                        
• Reeler: Black Clawson Auto-Flyte 36                                  
• Reeler Pulper: 2 agitators, Q=140t/d, V=45m3, N=2x90kW, n=985rpm
• Broke tank: Microfiltr ALGAS (thickener), V=200m3

OCC stock preparation (long and short fiber):

• HD cleaners type LC 2333
• Fractionator Lamort ADS7, motor 160 kW. Equipped with screen basket with 0,2mm slots and a screen plate with holes dia 3,5 mm.
• Pressure screen Lamort Diabolo DF2, motor 45 kW. Screen with holes dia 2,7mm.
• Disperger system:
  • Dewatering screw press type SD 2040, motor 11 kW
  • Screw conveyor
  • Dewatering press type PP 550 with 55 kW motor.
  • Heating screw at consistency 25-30%, for temperature 90 – 120 degrees C.
  • Disperger Krima KD710 with motor 400 kW, 1450 rpm.
• LD cleaner system 1^st stage Ahlstrom 133 2x 17pcs
• LD cleaner system 2^nd stage ELP 940 5pcs
• LD cleaner system 3^rd stage ELP 940 2pcs
• LD cleaner system 4^th stage ELP BC 940 2pcs
• Pressure screen Lamort CH5 A, capacity 50 – 110 tpd. Slot width 0,25 mm, motor 45 kW
• Pressure screen Bird CN14B, capacity 54 000 l/min. Slot width 0,2 mm, motor 37 kW
• Pressure screen Lamort SPN10, capacity 210 t/day. Slot width 0,2 mm, motor 90 kW
• Drum Thickener Fampa ZW20M, capacity 50-130 t/d. drum width 4420mm x 1525mm dia.
• Reject screw type EWP360 Agitators, pumps, tanks, piping, instrumentation, etc.