April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON...
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Transcript of April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON...
![Page 1: April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON TECHNOLOGY DAYS.](https://reader035.fdocuments.us/reader035/viewer/2022062304/56649c805503460f9493837f/html5/thumbnails/1.jpg)
April 26th 2013
Frank-PTI Laboratory Refiner
LR 40Type Voith
Gunnar Lindblad
ELOF HANSSON TECHNOLOGY DAYS
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VP
R C
hapt
er 0
9 N
o 06
53 E
d 01
Laboratory Refiner LR1 Laboratory Refiner LR40
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Water
Pulp
Pulper Mono-Pump Refiner
Laborrefiner LR40: System
VP
R C
hapt
er 0
9 N
o 34
75 E
d 01
Sampling position with balance
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Laborrefiner LR40: Versuchsstand
VP
R C
hapt
er 0
9 N
o 34
78 E
d 01 5. Refiner
5
1
1. User interface
2
2. Pulper
33. Sampling Point 4
4. Electrical cabinet
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Laboratory Refiner: Refiner segments
VP
R C
hapt
er 0
9 N
o 20
52 E
d 01
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Technical DataNoice levelDimension and weight
Floor Unit
Control cabinet
Connections
Pulp ConsistencyBalance rangeMax. 6 Samples
< 76dBA
BxTxH: 2,37 x 0,9 x 1,8mWeight: 1300kg
BxTxH: 1,2 x 0,6 x 2,0mWeight: 360kg
400V / 50HzCompressed Air > 3 barFresh water
3 - 5,5 %1200 - 1900g otro(Total test volume 12l)
Laboratory Refiner LR40
VP
R C
hapt
er 0
9 N
o 06
52 E
d 03
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VP
R C
hapt
er 0
9 N
o 06
53 E
d 01
Application • grinding of primary and secondary fibers • Delivery and quality control
• Research and Development
Features
• Table Model• Modular design allows use of disks and cone segments• Easy and quick segment changes• Very simple, menu-driven operation• Fully automatic sampling• High accuracy• Excellent repeatability• Evaluation of all data through an integrated computer• Operation and control based on parameters and measurements, which are also used in the industrial process
Laboratory Refiner LR40
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Laboratory Refiner LR 40 - Photos
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Laboratory Refiner LR 40 – without front cover
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LR 40 User interfaceFront view Inside view
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LR40 – Torque measurment
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Sampling – Valve assemblyBack pressure valve
Sample valve
Drain valveTurntable
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Sampling - Balance
Balance loadcell
Turntable
Turntable Light sensor
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LR40 – Distribution box on the table and solenoid valves
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LR40 – Segment change
Spindle
Stator
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LR40 – Cabinet and cableing in the table
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Cable, with direct entry to the cabinet
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Technology
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Reproducibility with LR-1 freeness measurements
Laboratory Refiner LR-1
Bleached Sulfate Pulp from Pine
1 trial
2 trial
3 trial
Energy
Fre
enes
s va
lue
[SR
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Repeatability with the LR-1 strengths
Bleached Sulfate Pulp from Pine 2,1 J/m
SR value {SR] Tear resistance [Nm/g]
1 trial
2 trial
3 trial
Bur
st In
dex
[kP
am2 /
g]
Tea
r In
dex
[mN
m2 /
g]
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Comparison between LR-1 and the PFI Mill
Bur
st In
dex
[kP
am2 /
g]
Tea
r In
dex
[mN
m2 /
g]SR value {SR] Tear resistance [Nm/g]
Bleached Sulfate Pulp from Pine 2,1 J/m
Laboratory refiner LR-1
PFI-Mill
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Comparison between LR-1 and a Double disk refiner
Bur
st In
dex
[kP
am2 /
g]
Tea
r In
dex
[mN
m2 /
g]SR value {SR] Tear resistance [Nm/g]
Laboratory refiner LR-1
Double Disk refiner DSR1
Bleached Sulfate Pulp from Pine 2,1 J/m
Strength Development
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Comparison with Industrial refining: Specific energy and Tear index
0
10
20
30
40
50
60
0 100 200 300 400
Refiner Energy [kWh/t]
Pulp: Acacia TwinFloLaboratory Refiner
SR
- W
ert
[S
R]
0
20
40
60
80
10 20 30 40 50 60
SR -Wert [SR]
Re
issl
än
ge
nin
de
x [m
N/g
]
VP
R C
hapt
er 0
9 N
o 35
11 E
d 01
Tea
r In
dex
[mN
m2 /
g]
Fre
enes
s va
lue
[SR
Freeness value [SR
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1.0
1.5
2.0
2.5
10 20 30 40 50 60Freeness value [SR]
Sp
ec.
. V
olu
me
[cm
3 /g
]
Comparison with Industrial refining:Fiber length and spec. Volume
Pulp: Acacia TwinFloLaboratory Refiner
Freeness value [SR]
0.50
0.55
0.60
0.65
0.70
0.75
10 20 30 40 50 60
Me
an
F
ibe
r le
ng
th [
mm
]
VP
R C
hapt
er 0
9 N
o 35
12 E
d 01