• Built 1989 by main Supplier Rauma-Repola Oy (now part of Valmet-Group)
• Low running hours, because the main raw material supply for paper machine came ready chipped
• The wood yard equipment shut downed 12/2012 and since that conserved on-site
• Debarking capacity 250 m3/h softwood and 150 m3/h hardwood
• Power supply 690VAC
• Some main spare parts also available

Log receiving conveyors

• L=12,5m, W=10m, speed 0,01-0,05 m/s
• 10 conveyor chains

Log slasher and –conveyor

• L=5,8 + 7,5m, H=4,5m, speed 0,25 m/s
• 8 conveyor chains
• 1 lowering saw with diam. 1800mm

Log feeding (chain) conveyor

• L=58,4m, H=11m, W=2,3/4,4m speed 0,25 m/s
• Inclination appr. 11 degrees
• Height of sides 2,5m
• Hydraulic motor drive

Debarking Drum

• Manufactured by Rauma-Repola, 1989
• Capacity softwood 250 m3/h, hardwood 150 m3/h
• Log length min 1m, max. 8m
• Log diameter min 8cm, max. 55cm
• Support wheels with drives 160pce; tyre: Michelin G-20 XZA (164/160F)
• Very little worn out

Drum supporting drives/tyres

• 160 pce of supporting tyres, 20 pce drives 22kW, 25 1/min
• Tyre: Michelin X, type G-20 XZA

Log splitter

• Hydraulic powered log splitter before chipper
• Working length 3m
• Max. log diam. 1m

Chipper

• Type: Rauma 12-3300
• Log length 5m, chip length 24mm, spout size 850mm
• Knife disc diameter 3300mm, number of knives 12 pcs
• Speed 250 1/min
• Motor: 2 x 3,3kV, 800kW, 25 1/s
• One spare motor (690V, 800kW, 1500 r/min), cutting rotor, gearbox (Kumera VLA-2X710, 5,76/1)…

Disintegrator (re-chipper)

• Rauma-Repola type TM-1300

Belt scales (weighting units)

• Measures conveying capacity and chip weights
• Installed on the chip conveyor from chip storage silos
• 3 pce
• Output signal 4-20mA

Bark shredder

• 4 cutting knives, 3 counter knives
• Diam. 1500mm, speed 15 1/s

Belt conveyors, screws…

• Several belt conveyors with different lenghts until 72m, width 1000 or 1200mm
• Several different screws

Chip storage silos

• Silos 2 x 8000 m3
• 3 x rotary screws for reclaimers
• Screws: L=12,5m, D=800/508-620mm, n= 4-20 1/min
• Some recent gearboxes (Metso typ.2C250, rat. 201, 20kW, 2005)…

Control systems (DCS, Drives)

• DCS: Metso DNA + XD
• Drives: Siemens Simovert P (6SC 3663-0FB02-Z)
• MCC: Siemens

Grinding machine for knives sharpening

• Type: ERMA Fulda

Spare parts

• El.motors, gearboxes, bearings, knives, tyres etc.

Spare part and technical support available from Valmet for the enduser if needed.