SM0827

SM0827 -  2650 mm, Paper machine, Papcel, 300 m/min, 30-120 gsm, 200 l/sec , 10,000-28,000 TPY, 

Built 1986 by Papcel for production of sulphate technical papers. PM was rebuilt for printing papers and later for wrapping paper, including high rafined papers ( parchment ).

Annual production capacity – 10,000t/year – 28,000t/year – 80% of capacity utilization

Raw material using – primary virgin fibers, and secondary fibers – waste paper.

Range of gsm – 30 – 120gsm

  • 1998 – reconstruction of headbox, changing od dewatering elements, for ceramic boxes. 
    • Changed approach flow system – new screener PK200, 
    • Installation of suction box TRIVAC, 
    • new drive of PM
    • This reconstruction increased the speed to 300m/min
  • 2003 – Flotation unit INKOS
  • 2006 – changed steam condens systém
  • 2010 – full covered hood installed, ABB controll systém of headbox, new spreaded roll for a rewinder, with controlling of crowning
  • 2010 big fire of PM. After that was made full repairs of PM, changed wire foills for Robaglass solution

Technical parameters – 

Headbox – pressurised headbox with manifold, 

  • width 2650mm, 
  • flow 200l/s
  • Consistence – 0,4 – 1,2%
  • Speed max. 300m/min
  • Opennig of the lips – 45mm
  • 2 pieces of defloculating rolls - 16 – 79rpm
  • 17actuators , controlled by Thermatroll ABB
  • Antifoam shower LURMARK
  • Changeable angle of outlet from headbox 
  • Controll of pressure and level of headbox
  • Hydraulic opening of headbox cover

Wire part:

  • Bronz breast roll with doctor
  • Shaker 130 – 400 strokes/min
  • Breast table – HDPE cover, 1st part from ceramic
  • 11 pieces of foil boxes, ceramic, Robaglas, 6 pices of activation foils
  • Suction roll rubbered, diameter 840mm, lenght 4910mm
  • Drive roll diameter 550mm, lenght 4910mm
  • Used wire Integra Asten Johnson, 3plies, 34,1 x 2,8m

Press part:

  • 3 presses
  • Combipress with central roll, 1press – suction roll 3 chambers, felt 14,3 x 2,75m,               second press blindly drilled roll felt 12,3 x 2,75m
  • 3rd press plain, felt 9 x 2,75m

Dryer part – 

  • 24 cylinders, 4 parts, all cylinders 1500mm
  • Lenght of cylinders  1 to 6 and 13 to 24 – 2600mm:  7 to 12 – 2710mm
  • 2 cooling cylinders 25 and 26 – length – 2650mm
  • Drying fabrics – 20,7 x 2,7m
  • Cooling fabrics – 10,35 x 2,6m               

Machine calander:

  • 4 rolls, 2 of them swimming rolls, driven roll – Queen
  • Working width 2450mm
  • Threading of paper from press part to Pope reeler – rope system