DEBARKER PROJECTS
UPM Blandin Paper
Grand Rapids, Minnesota, USA
PERFORMANCE TARGET
-
90 m3 per hour per debarker
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
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.
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.
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.
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
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.
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