DEBARKER PROJECTS

UPM Blandin Paper
Grand Rapids, Minnesota, USA

PERFORMANCE TARGET

  • 90 m3 per hour per debarker

Sun Paper

Scope Of Supply - Wood Profile

Scope of Supply

  • Supply IEM Rotary debarkers to replace existing drum debarkers
  • IEM RS3L330 end discharge soft wood debarker
  • IEM RS3L330 end discharge hard wood debarker
  • 3 rotor
  • 3.5m wide by 9m long live floor open bottom debarker area
  • Shaft mount VFD controlled 100 hp drive per rotor

Wood Profile

  • 4 foot spruce / softwoods
  • Average diameter approx. 5"
  • 4 foot aspen
  • Average diameter approx. 7"

Additional Comments

  • Existing softwood drum was 27m in length - replacement IEM Rotary debarker is 9m in length
  • Existing hardwood drum was 24m in length - replacement IEM Rotary debarker is 9m in length

Sun Paper
Yanzhou, China

PERFORMANCE TARGET

  • 80 m3 per hour or more of clean solid wood per hour out the discharge gate in worst case conditions guaranteed

 Sun Paper

Scope Terms of Reference - Wood Profile - Seasonal Conditions

Scope Terms of Reference

  • Supply IEM Side Discharge Batch Rotary debarker for green field debarking/chipping/screening plant.
  • IEM SD RS2L322 side discharge debarker
  • 1 module
  • 3 rotors per module
  • 2.85m wide by 6.5m long live floor open bottom debarker area
  • VFD controlled. Gear box to high rotor sprocket and slave chains to rotors one and two.

Wood Profile

  • Random length up to 6m long plantation aspen
  • Average diameter approx. 75mm (3")

Seasonal Conditions

  • Range from minus 0°C in winter to plus 35°C in summer

Additional Comments

  • IEM side discharge batch rotary debarkers have the highest production per m2 of rotor area.
  • No need to ever over debark or under debark again
  • PLC controlled infeed, debarking cycle and discharge cycle
  • Steady continuous feed to chipper or other downstream process increases production dramatically.

River City Fibre
Kamloops, British Columbia, Canada

PERFORMANCE TARGET

  • 150 m3 per hour or more of clean solid wood per hour out the discharge gate in worst case conditions guaranteed - tested to 200 m3 per hour of clean solid wood per hour.

River City Fibre

Scope Terms of Reference - Wood Profile - Seasonal Conditions

Scope Terms of Reference

  • Supply IEM Side Discharge Batch Rotary debarker for green field debarking/chipping/screening plant.
  • IEM SD RS3L322 side discharge debarker
  • 1 module
  • 3 rotors per module
  • 3.5m wide by 6.5m long live floor open bottom debarker area
  • VFD controlled individual shaft mount 100, 125 and 150 hp drives per rotor - position dependent. Shaft mount, no sprockets or chains

Wood Profile

  • Nominal 20 foot beetle killed lodge pole pine
  • Average diameter approx. 8"

Seasonal Conditions

  • Range from minus 20°C in winter to plus 35°C in summer

Additional Comments

  • IEM side discharge batch rotary debarkers have the highest production per m2 of rotor area.
  • No need to ever over debark or under debark again
  • PLC controlled infeed, debarking cycle and discharge cycle
  • Steady continuous feed to chipper or other downstream process increases production dramatically.

SAPPI
Cloquet, Minnesota, USA

PERFORMANCE TARGET

  • 300 - 330 m3 per hour or more of clean solid wood per hour over the discharge gate in worst case conditions.

  • 400+ m3 per hour of clean solid wood per hour over the discharge gate in unfrozen conditions.

SAPPI

Scope Terms of Reference - Wood Profile - Seasonal Conditions

Scope Terms of Reference

  • Supply IEM Rotary debarker to replace existing drum debarkers.
  • IEM RS4L430-90 end discharge hard wood debarker
  • 3 modules in a series
  • 4 rotors per module
  • Debarker:

    12 rotors

    4.9m wide by 30m long live floor open bottom debarker area

    VFD controlled individual 75 or 100 hp drives per rotor - position dependent.

    Total of 12 motors, gear boxes, chain drive from gear box to sprocket

Wood Profile

  • 8 foot aspen
  • Average diameter approx. 8"
  • 8 foot maple/local mixed hardwoods
  • Average diameter approx. 6"

Seasonal Conditions

  • Range from minus 30°C in winter to plus 30°C in summer

Additional Comments

  • Existing hardwood drum was approximately 40m in length - replacement IEM Rotary debarker is approximately 30m in length
  • Customer feedback indicates 450 tons (approx. 425m3) production per hour with a bark remaining of 0.3%.
  • World's largest single line rotary debarker

Lontar Papyrus
Jambi, Indonesia

PERFORMANCE TARGET

  • 300 m3 per hour or more of clean solid wood per hour over the discharge gate in worst case conditions.

Lontar Papyrus

Scope of Supply - Wood Profile - Seasonal Conditions

Scope of Supply

  • Supply IEM Rotary debarker for new chipping line.
  • IEM RS4L430-60 end discharge hard wood debarker
  • 2 modules in a series
  • 4 rotors per module
  • Debarker:

    8 rotors

    4.9m wide by 20m long live floor open bottom debarker area

    VFD controlled individual 75, 100 and 2 x 125 hp drives per rotor - position dependent.

    Total of 8 motors, gear boxes, chain drive from gear box to sprocket

Wood Profile

  • 2.4m to 6m (8 foot to 20) foot Acacia Cassicarpa, Acacia Mangnium and Eucalyptus
  • Average diameter normal wood 30mm to 600mm
  • Average diameter small wood 30mm to 100mm

Seasonal Conditions

  • Typical +28°C to +35°C

Crabbe Lumber
Florenceville Bristol, New Brunswick, Canada

PERFORMANCE TARGET

  • 60 to 100 m3 per hour or more of clean solid wood per hour out the discharge gate

 Crabbe Lumber

Scope of Supply - Wood Profile - Seasonal Conditions

Scope of Supply

  • IEM Side Discharge Batch Rotary debarker for green field debarking/chipping/screening plant - by licensee.
  • IEM SD RS1L320 side discharge debarker
  • 1 module
  • 3 rotors per module
  • 2.5m wide by 6m long live floor open bottom debarker area
  • VFD controlled high rotor shaft mount 125 hp drives - sprockets and chains to balance of rotors.

Wood Profile

  • Nominal 20 foot eastern SPF
  • Average diameter approx. 8"

Seasonal Conditions

  • Range from minus 20°C in winter to plus 35°C in summer

Additional Comments

  • IEM side discharge batch rotary debarkers have the highest production per m2 of rotor area.
  • No need to ever over debark or under debark again
  • PLC controlled infeed, debarking cycle and discharge cycle
  • Steady continuous feed to chipper or other downstream process increases production dramatically.

Indah Kiat Pulp and Paper
Perawang, Indonesia

PERFORMANCE TARGET

  • 300 m3 per hour or more of clean solid wood per hour over the discharge gate in worst case conditions.

Indah Kiat

Scope of Supply - Wood Profile - Seasonal Conditions

Scope of Supply

  • Supply IEM Rotary debarker for new chipping line.
  • IEM RS4L430-60 end discharge hard wood debarker
  • 2 modules in a series
  • 4 rotors per module
  • Debarker:

    8 rotors

    4.9m wide by 20m long live floor open bottom debarker area

    VFD controlled individual 75, 100 and 2 x 125 hp drives per rotor - position dependent.

    Total of 8 motors, gear boxes, chain drive from gear box to sprocket

Wood Profile

  • 2.4m to 6m (8 foot to 20) foot Acacia Cassicarpa, Acacia Mangnium and Eucalyptus
  • Average diameter normal wood 30mm to 600mm
  • Average diameter small wood 30mm to 100mm

Seasonal Conditions

  • Typical +28°C to +35°C

For sawmills, pulp & paper mills, lumber mills, we have experience with the following wood profiles.

Eucalyptus, acacia cassicarpa, acacia mangnium, spruce, eastern SPF, plantation aspen, lodge pole pine, basswood, aspen, balsam, fir, maple, ironwood, and birch