loudon rf fc europe presentation5
TRANSCRIPT
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Europe RF Update
Reisholz, Mainz, Niederbipp
Bob Drew
1 May, 2003
Success Stories
Reisholz Mainz
Niederbipp
Reisholz Mill
Reisholz Mill
Wet Strength Efficiency with RF Grade Towels
• Reduced from 6 lpm to 3 lpm on RF Towels (80 kg/MT to 40 kg/MT)
• Solution – Switch from 1000 m³/h long whitewater loop to short white water loop to retain Kymene in short loop with fibre. On normal production, the Silag used all white water of the paper machine (400 m³/h) building and all from RF plant (600 m³/h)
• To shorten loop on RF towels, we used our Krofta for clarification and not the outside Silag flotation. So now white water goes from the PM building direct to the Krofta. Clarified water is recycled to the paper machine.
The old “Single“ Water Loop
RF Plant 600 m³/h from DNT‘s
TM Building 400m³/h from Tray Chest
Silag 1000m³/h
The new “Double“ Water Loop
RF Plant 600 m³/h
Silag 600 m³/h
TM Building 400m³/h
Krofta Flotation
Pulper with new Rotor Type Mainz and Niederbipp
Characteristics:
Spoiler system brings improved mixing
over total volume, especially the upper part.
Target: Intense pulping with Reduced Pulping Time
Results:
Dilution time reduced from 15 min to 10 min.
Dilution time/t and pulper energy consumption/t reduced by about 10 %.
Increased fiber yield
Less reject and disposal costs
Increased pulper system capacity
Results will be quantified over
a longer time period.
Niederbipp Results New Pulper-Rotor
Cost : $37 k
Savings : $80 K/Year
+ 0.8 Ton / Day Increased Throughput (6
% Improvement)
+ Can Pulp Longer Fibre Length
SUCCESSFUL STORIES FROM NIEDERBIPP
1. Voith Ecomizer Forward Cleaners
2. Reject Drum Sorter
3. New Pulper Rotor Design
3 Main Projects
Cost : 245‘000 USD
Savings : 323‘380 USD/Year
INSTALLATION OF THE “ECO-MIZER“-CLEANER FROM VOITH
2 % HIGHER EFFICIENCY
OF THE RF-PLANT.
1. Rebuilt Foward Cleaners
Cost: $97 K
Savings: $180 K/Year
+ 1.7 MT/Day Reduced Fibre Loss
+ Reduced Ash
1. Cleaner Stage 1 Remains Stages 2,
3, and 4 Rebuilt to Ecomizer
2. New Dilution Water Pump for Stages
2 and 3
3. Reduction Number of Pipes
Stage 2 from 28 to 20
Stufe 3 from 8 to 4
Stufe 4 from 4 to 1
4. Less Instrumentation at Stage 4:
(Removed some valves, no
compressed air necessary)
Stages 1 to 3, Stufe 1 im Vordergrund
(APA Bedienungsboden)
1. Rebuilt Forward Cleaners 4th Stage
4th Stage
HIGH PRESSURE NEEDLE SHOWER IN REJECT SCREENING DRUM
FIBRE FREE REJECT
AFTER DRUM
2. Reject Drum Sorter HP Shower
Kosten : $93 K
Einsparung : $103 k/Year
1. Took off oscillator and Drum not
Changed
2. Needle Jet Nozzles Installed
3. New 40 Bar Pump
4. Same Experience in Other Mills in
Switzerland
5. Reduced Cleaning Frequency
Sortiertrommel nach erfolgreichem
Umbau in Utzenstorf
2. Reinigung Sortiertrommel auf 40 bar erhöhen
Nadelstrahldüsen
40bar
Düsenstücke neu und
näher an der Trommel
+ 1.2 Tons/ Day Fiber Recovery
+ Less Plugs and Cleaning Time for Operator due to More efficient
Drum Cleaning
+ Less Ash
- Install additional HP Pump to Reach 40 Bar
2. Reject Drum Cleaning Shower at 40 bar
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FCE Europe RF Optimisation
• Demand for Higher Brightness – PL Customers
Demanding Virgin Fibre
• Price Differential RF and Virgin fibre low – In
Short Term
• Cost Challenges in Germany
• Fiber Quality Opportunities
What is RF Strategy for FC Europe?
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Approach to RF Optimisation
Action Plan &
Analysis
RF Process
Database
Implement
Plan
Cost
Comparison
•Within FCE
•Global
•Identify Opportunities
•Financial Analysis – Equipment Plan
•Best Practice Opportunities
•Fibre, Utilities, and Chemical Opportunities
•Capital Plan 2004
•BP Action Plan
•Long Term Fibre Strategy
•Key Comparisons – Equipment and Fibre Quality
•Identify Gaps & Opportunities
50
55
60
65
70
75
80
85
90
95
100
$200.00 $250.00 $300.00 $350.00 $400.00 $450.00 $500.00
Variable Cost $ US/MT
ISO
Bri
gh
tness (
%)
RF Variable Cost Comparison
50
55
60
65
70
75
80
85
90
95
100
$200.00 $250.00 $300.00 $350.00 $400.00 $450.00 $500.00
Variable Cost $ US/MT
ISO
Bri
gh
tness (
%)
RF Variable Cost Comparison
R2 = 0.302
50
55
60
65
70
75
80
85
90
95
100
$200.00 $250.00 $300.00 $350.00 $400.00 $450.00 $500.00
Variable Cost $ US/MT
ISO
Bri
gh
tness (
%)
World
Reisholz
Niederbipp
Mainz
RF Variable Cost Comparison Niederbipp:
•Fiber Cost
•Sludge Incineration
•High Fixed Costs
Mainz & Reisholz:
•Fiber Cost
•Treatment Cost - SILAG
SCREENING:
•Stickies
•Contaminants
Flotation:
•Reduce Fibre
Cost
•Vs Virgin PL
Peroxide Bleaching:
•Fibre Cost at Required ISO
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Mainz Projects
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Next Steps
•More in depth cost analysis
•Quarterly Report
•Update BP Action Plan
•Project Plan 2004-2005 – Financial
Analysis
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Questions?