TECHNICAL SPECIFICATION COMPLETE PAPER MILL P.M. 4 540 mm – 1 000 m/min

1 – PAPER MACHINE A. MAIN CHARACTERISTICS  Paper width

:

4 540 mm (at pope reel)

 Capacity

:

250 t/day

 Substances

: :

40 g/m² min. 150 g/m² max.

 Speed

: :

900 m/min. (production) 1 000 m/min. (design)

 Drive side

:

from headbox looking at Pope reel, the drive is on the right side

One approach flow system with 3 stages Lamort pressure screens, low density cleaning system, dilution pump, etc.

B.2. Paper Machine  One pressurized headbox,  One bottom wire with a profile control system by Measurex Thermatroll: - Wire width

:

5 050 mm

- Wire length

:

38 500 mm

- Suction couch

:

Ø 1 000 mm

- Driving roll

:

Ø 730 mm

 One top former,  One Press Section type Tri-Nip with: - one pick-up suction roll

:

Ø 960 mm

- one center press type Ceramic : Ø 1 100 mm - one Kusters roll

:

Ø 710 mm

- one suction transfer roll

:

Ø 500 mm

- one ceramic press

:

Ø 1 100 mm

- one Kusters roll

:

Ø 710 mm

- one steam box  One drying section with: - one Uni-run circuit with:  3 dryers ø 1500 mm  2 suction grooved rolls ø 1000 mm - 7 dryers ø 1500 mm - 12 dryers ø 1830 mm - 1 cooler ø 1830 mm (chromed) - 16 felt conditioning boxes - 6 felt blowing rolls - 8 heat recovery systems - 1 close hood system with 3 heat extractors. Nota:  Dryers are equipped with anti-turbulence system for high speed.  Felt rolls are with ø 403 mm  Steam pressure : 5 to 10 bar  One double soft nip type tandem: - hard/soft Nip 1 - hard/soft Nip 2 with Kusters rolls  One automatic pope reel,  One paper quality control system ABB,  One set of PM ancillaries such as: - drive by Siemens

:

1 000 m/min

- central lubrication system, - vacuum system, Nash, - steam and condensate system, - wet and dry brokes system, with water recovery system, including Hedemora disc filter and clarifier Lamort, - etc.

B.3. Mill utilities  The following mill utilities can be available: - one overhead crane : 2 x 16 tons - one overhead crane : 22 tons - one kitchen for chemicals, - one effluent treatment 400 m³/hr, - one compressed air station, - one freshwater distribution system, - one central laboratory, - one maintenance workshop, - one power station with 3 steam boilers.

Approach flow :

Paper Machine (Head box and Top former) :

Paper Machine (Press section and drying section) :

Paper Machine (double soft nip) :

Paper Machine (pop reel) :