Forces on bars in high-consistency mill-scale refiners: Trends in primary and rejects stage refiners

Journal of Pulp and Paper Science

Volumn 33, Issue 3, 2007, Pages 163-171

  Olender, D ^a   Wild, P ^a   Byrnes, P ^b   Ouellet, D ^c,e   Sabourin, M ^d  

^a UNIVERSITY OF VICTORIA   (Canada)

^b NATIONAL RESEARCH COUNCIL CANADA   (Canada)

^c FPINNOVATIONS   (Canada)

^d ANDRITZ INC   (United States)

^e Novadaq Technologies Inc   (Canada)

Author keywords

Bars; Disk refiners; Friction factor; Impact; Rejects; Shear stress; Stress concentration; Stresses

Indexed keywords

BARS (METAL); FORCE MEASUREMENT; NATURAL FIBERS; SENSORS; SHEAR STRESS; STRESS CONCENTRATION;

MACHINE OPERATING; PEAK FORCE VALUES; PILOT-SCALE MACHINE; WOOD FIBRE;

PIEZOELECTRIC MATERIALS;

BARS; DISK REFINERS; FRICTION FACTOR; NATURAL FIBERS; SENSORS; SHEAR STRESS;

EID: 36049002876     PISSN: 08266220     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (30)

1. SABOURIN, M., WISEMAN, N. and VAUGHN, J., "Refining Theory Considerations for Assessing Pulp Properties in the Commercial Manufacture of TMP", Proc. Appita 55th Ann. Gen. Conf., 1:195-204 (2001).
2. MURTON, K. and DUFFY, G., "The Influence of Pulp Residence Time on Refining Intensity and Pulp Quality", Appita J. 58(1):64-71 (2005).
3. OUELLET, D., BENNINGTON, C.P.J. and POTKINS, D., "Wood Comminution and Material Flow in a Laboratory Chip Refiner", J. Pulp Paper Sci. 21(12):415-421 (1995).
4. ALAHAUTALA, T., LASSILA, E., HERNBERG, R., HARKONEN, E. and VUORIO, P., "Optical Measurement of Pulp Quantity in a Rotating Disc Refiner", Measurements Sci. Technol. 15(11):2256-2261 (2004).
5. SVENSSON, B.A., RUNDÖLF, M. and HOGLUND, H., "Sliding Friction Between Wood and Steel in a Saturated Steam Environment",/ Pulp Paper Sci. 32(1):38-43 (2006).
6. SENGER, J. and OUELLET, D., "Factors Affecting the Shear Forces in High-Consistency Refining", J. Pulp Paper Sci. 28(11):364-368 (2002).
7. SIADAT, A., BANKES, A., WILD, P.M., SENGER, J. and OUELLET, D., "Development of a Piezoelectric Force Sensor for a Chip Refiner", Proc. Inst. Mech. Engin., Part E, J. Proc. Mech. Engin. 217:133-140 (2003).
8. SENGER, J., SIADAT, A., OUELLET, D. and WILD, P., "Measurement of Normal and Shear Forces During Refining Using a Piezoelectric Force Sensor", Preprints Intl. Mech. Pulping Conf, PAPTAC, 403-407 (2003).
9. SENGER, J., OLMSTEAD, M., OUELLET, D. and WILD, P.M., "Measurement of Shear and Normal Forces in the Refining Zone of a TMP Refiner", J. Pulp Paper Sci. 30(9):247-251 (2004).
10. GONCHAROV, V.N, "Force Factors in a Disk Refiner and their Effect on the Beating Process", Bumazh. Promst., English Trans. 12(5):12-14 (1971).
11. GRADIN P.A., JOHANSSON, O., BERG, J.-E. and NYSTRÖM, S., "Measurement of the Power Distribution in a Single-Disc Refiner", J. Pulp Paper Sci. 25(11):384-387 (1999).
12. BACKLUND, H.-O., HOGLUND, H. and GRADIN, P., "Study of Tangential Forces and Temperature Profiles in Commercial Refiners", Preprints Intl. Mech, Pulping Conf., PAPTAC, 379-388 (2003).
13. SENGER, J, OUELLET, D., WILD, P.M., SABOURIN, M. and OLENDER, D., "A Technique to Measure Mean Residence Time in TMP Refiners Based on Inherent Process Fluctuations", J. Pulp Paper Sci. 32(2):83-89 (2006).
14. PRAIRIE, B., WILD, P., BYRNES, P., OLENDER, D., FRANCIS, D.W. and OUELLET, D., "Forces During Bar-Passing Events in Low Consistency Refining: Effects of Refiner Tram", Preprints 92nd Ann. Mtg, PAPTAC, B157-B160 (2005).
15. ATACK, D. and STATIONWALA, M.I., "On the Measurement of Temperature and Pressure in the Refining Zone of an Open Discharge Refiner", Trans. Tech. Sect., Can. Pulp Paper Assoc. (3):71-76 (1975).
16. CAUCAL, G., CHAUSSY, D. and RENAUD, M., "Etude Physique et Hydraulique du Raffinage", Revue ATIP 45(5):187-199 (1991).
17. NORDMAN, L., LEVLIN, J., MAKRONEN, T. and JOKISALO, H., "Conditions in an LC-Refiner as Observed by Physical Measurements", Paperi ja Puu (4):169-180 (1981).
18. BERG, D. and KARLSTRÖM, A., "Dynamic Pressure Measurements in Full-Scale Thermomechanical Pulp Refiners", Proc. Intl. Mech. Pulping Conf., PTF, Oslo, Norway, 42-49 (2005).
19. ERIKSEN, O., "Diagnosis of a First-Stage Mill-Scale TMP Refiner by Means of Refining Zone Pressure and Temperature Measurements and Blow-Line Pulp Analysis", Preprints Intl. Mech. Pulping Conf., PAPTAC, 389-398 (2003).
20. ERIKSEN, O., GREGERSON, Ø. and KROGSTAD, P.-Å., "High-Speed Measurements of Pressure and Temperature in the Refining Zone of a High-Consistency Refiner", Nordic Pulp Paper Res. J. 20(4):459-467 (2005).
21. ERIKSEN, O., GREGERSON, Ø. and KROGSTAD, P.-Å, "Pressure and Vibration in the Refining Zone of a TMP Refiner - Influence of the Fibre Flow", Nordic Pulp Paper Res. J. 21(1) (2006).
22. DOEBELIN, E., Measurement Systems: Application and Design, 5th ed., McGraw-Hill Publishing Co., New York, NY, USA (2003).
23. SYSTAT Software, Sigmaplot 9.0 User's Manual, San Jose, CA, USA (2004).
24. ATACK, D., STATIONWALA, M.I. and KARNIS, A., "What Happens in Refining", Pulp Paper Can. 85(2):303-308 (1984).
25. GIERTZ, H.W., "A New Way to Look at the Beating Process", Norsk Skogindustri 18(7):239-248 (1964).
26. MAYADE, T.L., "Statistical Theory of Chemical Pulp Refining - An Innovative Combined Approach". Appita J. 50(3):237-244 (1997).
27. MILES, K.B. and MAY, W.D., "The Flow of Pulp in Chip Refiners", J. Pulp Paper Sci. 16(2):63-72 (1990).
28. SABOURIN, M., AICHINGER, J. and WISEMAN, N., "Effect of Increasing Wood Chip Defibration on Thermomechanical and Chemi-Thermomechanical Refining Efficiency", Preprints Intl. Mech. Pulping Conf., PAPTAC, 163-170 (2003).
29. STATIONWALA, M.I., ATACK, D. and KARNIS, A., "Distribution and Motion of Pulp Fibres on Refiner Bar Surface", J. Pulp Paper Sci. 18(4):131-137 (1992).
30. HARKONEN, E., RUOTTU, A. and JOHANSSON, O, "A Theoretical Model for a TMP Refiner", Proc. Intl. Mech. Pulping Conf., SPCI. Stockholm, Sweden, 95-101 (1997).