MM Kwidzyn sp. z o.o. – Paper Machine 3

Basic data

5400mm (sheet width at the reel) Packaging Kraft Paper (PKP) machine located in MM Kwidzyn, in Poland and part of MM Board & Paper since 2021. Machine stopped in Jan/24.

Manufacturer: Beloit

Machine start-up: 1988

Machine capacity: 75.000 t/y

Machine speed range: 450 - 1000 m/min

Quality:

Bleached packaging kraft paper
Unbleached packaging kraft paper

Grammage range

Bleached PKP - 28 – 60 gsm
Unbleached PKP - 28 – 80 gsm

Major rebuilds:

1994 – headbox and wire section replacement, modification in 1st and 2nd drying group, cal coil installation (caliper CD profiling), tail threading installation
2001 – all gearboxes replacement (speed over 1000 m/min)
2002 – DCS, QCS and steam box installation

Headbox – Beloit, vertical position, witdh of stock outlet: 5892 mm, equipped with Measurex Thermatrol (basis weigth CD profiling system controlled from QCS) – 59 zones
2 wires – 1st wire (19,54 m x 6,05 m) and 2nd wire (16,50 m x 6,05 m)
Dewatering foils – 9 pcs, ceramic
Deflector – ceramic
Vacuum box – approx -20 to -25 kPa operation vacuum
Couch roll – 46-442, driven, two suction chambers (low up to -45 kPa and high up to -70 kPa operation vacuum)
Guide rolls
Bow rolls – #907 and #908
Cleaning shower system
HP shower system – 2 pcs

Wet End (front side view)

Headbox

Thermatrol (CD basis weigth profiling)

Dewatering Foils

Vaccuum Box

Couch roll and 1st wire turning roll

Press section (tri-nip)

Pick up roll – 46-444, driven, one suction chamber (up to -70 kPa operation vacuum)
Suction roll – 2nd press, 46-445, driven, three suction chambers (low up to -42 kPa and high up to -70 kPa operation vacuum)
1st press Venta roll – #325, undriven, crown control, blind drilled
Central roll – 46-446, driven, ceramic
3rd press Venta roll – #324, undriven, crown control, blind drilled
Steam box – ABB, 72 zones, controlled from QCS
Double doctor holder – at central roll
6 Uhle boxes – two installed at each felt (one slot)
Lubrication shower system – two showers at each felt
HP shower system – one shower at each feltAsienka01@@@

Press Section (front side view)

Pick up roll

Suction roll and 1st press venta roll

Central roll and 3rd press venta roll

Suction box at 3rd press felt with lub and HP showers

Steam Box

Drying Section

31 drying cylinders – DIA 1524 mm, three drive groups (1st group – 7 drying cylinders + 11 guide rolls, 2nd group – 12 drying cylinders + 24 guide rolls, 3 rd group – 12 drying cylinders + 21 guide rolls + 4 PV rolls), 6 steam groups, cascade system – steam 5 bar, steam supply on drive side, condensate outflow on front side
Six drying fabric loops
Hood – panel construction, half glazed, side guides, indyvidually or sectionally controlled from benchboard
Water jet knife – FastPap, threading to calender stack

Drying section (front side view)

Drying cylinders (front side view) with condensate outflows

Water jet knife

Calender & Reel

2 steel rolls calender (option for 4 rolls - 2 rolls dissmantled)
CD caliper profiling system – Measurex, Cal-coil, 56 zones
QCS system – ABB, network platform 1200: caliper, moisture, basis weight, ash CD and MD measurement, 800xA V6.0 (2 operator stations, 1 engineer station)
Web inspection system – ABB, 12 cameras
Color mesurement – Xrite ERX50, Macbeth, measurement of the opacity, brigthness, shade
Reel – steel, spiral grooved

Calender Stack

Cal-coil

QCS scanner

Sheet defect system

Reel with parent roll

Spool slabs

Winder

Max speed – 2000 m/min
Max reel width – 5450 mm
Max reel diameter – 2200 mm
Roll sizes: max dia 1400 mm, max width 2350 mm, min dia 600 mm, min width 190 mm
12 disc knives
Core sizes: dia 70 mm, 76,5 mm, 150 mm, 152,8 mm

Unwind station

Slitter section

Supporting rolls and unloading roll

Unloading table with stoppers