We know how Furnish Homogenization for Pulp Mill Applications A-3062 Kirchstetten 100, Internet: www.fmw.co.at Tel: +43 (0)2743 / 8245-0, Fax: +43 (0)2743 / 8245-43, E-Mail:
[email protected] Efficient Pulp Mill Operations Begin in the Woodyard
Inefficient Forms of Chip Handling
Efficient Chip Inventory Management Blended Bed Stacker/Reclaimers
Mondi Group Feasibility Study Anticipated Wood Yard Modernization Benefits
EURO/Year Thousands
Mondi – Swiecie, Poland World’s First Blended Bed Stacker / Reclaimers
Mondi Group Blended Bed Stacker/Reclaimers BOTNIA SARepublic - Fray Bentos, Uruguay Steti, Czech
Frantschach, Austria
APM – Maryvale, Austrailia Ruzomberok, Slovak Republic
Syktyvkar, Russia
International Blended Bed Stacker / Reclaimers BIOWOOD – Averoy, Norway
BOTNIA SA - Fray Bentos, Uruguay
VOTORANTIM – Tres Lagoas, Brazil
APM – Maryvale, Austrailia
North American Blended Bed Stacker / Reclaimers WEYERHAEUSER - Springfield, Oregon
GRAPHIC PACKAGING - Macon, Georgia
WEYERHAEUSER - Oglethorpe, Georgia
Design Characteristics
Pile Stacker
Stacker Feed Conveyor
Stacker Shuttle Conveyor Upper Slewing Ring
TRAVEL LENGTH
Stacker Boom Stacker Boom Suspension
Center Column Lower Slewing Ring
Stacker Shuttle Conveyor Type DAU .... MGF- 1000 DAU .... MGF- 1200 DAU .... MGF- 1600 DAU .... MGF- 2000
Capacity m³/h cuft/h 1,200 42,000 1,800 64,000 3,000 106,000 4,800 170,000
Column Support
CHIP PILE SECTION
Pile Stacker
Pile Reclaimer
Pile Reclaimer
RAKE
TRAVELLING TROLLEY
4000
RAKE SLOPE ANGEL adjustable by winch
RAKE COUNTER WEIGHT
12600
CHIP PILE
RECLAIMER BOOM AND CARRIAGE
Reclaimer Screw Type REC .... S 1000 REC .... S 1200 REC .... S 1400 REC .... S 1600
Capacity m³/h cuft/h 700 25.000 1.000 35.000 1.400 49.000 2.000 71.000
Pile Reclaimer
Furnish Homogenization
Stacker Blending
A
Reclaimer Blending
Blending Zone
Reclaimer Blending
• Rake cuts perpendicular to stored layers • Reclaims across the full pile cross section • Blends species, quality, moisture, & size • Reclaimed material represents average quality of blending zone material receipts • Homogenized furnish flow to the digester
Homogeneous Operation Study Results
Effect on Moisture Content Within-Shift Standard Deviation of Chip Moisture 0.5 2008 2009
0.4
0.3
0.2
0.1
0 Jan
Feb
Mar
Apr
Average
Effect on Moisture Content Consolidated Sigma Chart January - April, 2008
January - April, 2009 Sigma Chart
2.5
2.5
1.9
1.9
Sigma
Sigma
Sigma Chart
1.3
0.6
0.6
1.3
0.6 0.4
0.3 0.2
0.0 0.0
100.0
200.0
Row
300.0
0.0 400.0 0.0
100.0
200.0
Row
300.0
400.0
Effect on Kappa Number Variability 3.5
Within-Shift Standard. Deviation
Jan - Apr 2008 Average: 2.43
Jan - Apr 2009 Average: 2.22
3
2.5
2
1.5 Jan-08
Apr-08
Jul-08
Oct-08
Jan-09
Apr-09
Effect on Turpentine Production Turpentine Production in Sulfate Mill Swiecie (2000-01 versus 2003-04)
14.0
12.0
Kg/t Pulp
10.0
2001
2000
8.0 2003
2004
6.0
8,1 kg/t 3,3 kg/t
4.0
2.0
0.0 Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Additional Benefits
- Homogenization of Furnish - True First-In / First-Out - Actual Stated Storage Volume - Very Simple and Cost Effective - Minimal Fiber Degradation - Environmentally Clean
- Completely Automated - 100% Active Storage Volume - Exact Knowledge of Storage Volume - Low Power Consumption - Quiet Operation - 100% Reclaim Reduces Fire Hazard
Conclusions
A-3062 Kirchstetten 100, Internet: www.fmw.co.at Tel: +43 (0)2743 / 8245-0, Fax: +43 (0)2743 / 8245-43, E-Mail:
[email protected]