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April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON TECHNOLOGY DAYS.

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Presentation on theme: "April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON TECHNOLOGY DAYS."— Presentation transcript:

1 April 26th 2013 Frank-PTI Laboratory Refiner LR 40 Type Voith Gunnar Lindblad ELOF HANSSON TECHNOLOGY DAYS

2 VPR Chapter 09 No 0653 Ed 01 Laboratory Refiner LR1 Laboratory Refiner LR40

3 Water Pulp Pulper Mono- Pump Refiner Laborrefiner LR40: System VPR Chapter 09 No 3475 Ed 01 Sampling position with balance

4 Laborrefiner LR40: Versuchsstand VPR Chapter 09 No 3478 Ed Refine r User interface 2 2.Pulper 3 3.Sampling Point 4 4.Electrical cabinet

5 Laboratory Refiner: Refiner segments VPR Chapter 09 No 2052 Ed 01

6 Technical Data Noice level Dimension and weight Floor Unit Control cabinet Connections Pulp Consistency Balance range Max. 6 Samples < 76dBA BxTxH: 2,37 x 0,9 x 1,8m Weight:1300kg BxTxH:1,2 x 0,6 x 2,0m Weight:360kg 400V / 50Hz Compressed Air > 3 bar Fresh water 3 - 5,5 % g otro (Total test volume 12l) Laboratory Refiner LR40 VPR Chapter 09 No 0652 Ed 03

7 VPR Chapter 09 No 0653 Ed 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

8 Laboratory Refiner LR 40 - Photos

9 Laboratory Refiner LR 40 – without front cover

10 LR 40 User interface Front view Inside view

11 LR40 – Torque measurment

12 Sampling – Valve assembly Back pressure valve Sample valve Drain valve Turntable

13 Sampling - Balance Balance loadcell Turntable Light sensor

14 LR40 – Distribution box on the table and solenoid valves

15 LR40 – Segment change Spindle Stator

16 LR40 – Cabinet and cableing in the table

17 Cable, with direct entry to the cabinet

18 Technology

19 Reproducibility with LR-1 freeness measurements Laboratory Refiner LR-1 Bleached Sulfate Pulp from Pine 1 trial 2 trial 3 trial Energy Freeness value [SR

20 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 Burst Index [kPam 2 /g] Tear Index [mNm 2 /g]

21 Comparison between LR-1 and the PFI Mill Burst Index [kPam 2 /g] Tear Index [mNm 2 /g] SR value {SR] Tear resistance [Nm/g] Bleached Sulfate Pulp from Pine 2,1 J/m Laboratory refiner LR-1 PFI-Mill

22 Comparison between LR-1 and a Double disk refiner Burst Index [kPam 2 /g] Tear Index [mNm 2 /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

23 Comparison with Industrial refining: Specific energy and Tear index Refiner Energy [kWh/t] Pulp: AcaciaTwinFloLaboratory Refiner SR- Wert [SR] SR -Wert [SR] Reisslängenindex [mN/g] VPR Chapter 09 No 3511 Ed 01 Tear Index [mNm 2 /g] Freeness value [SR

24 Freeness value [SR] Spec.. Volume [cm 3 /g] Comparison with Industrial refining: Fiber length and spec. Volume Pulp: Acacia TwinFlo Laboratory Refiner Freeness value [SR] Mean Fiber length [mm] VPR Chapter 09 No 3512 Ed 01


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