Process control – grinding

Authors & references

Authors:

Raimo Alén, University of Jyväskylä and Victoria Lindqvist, Forest Products Engineers have modified the text from the reference “Karojärvi, R., Haikkala P., Liimatainen, H., Lucander, M. and Tuovinen, O. 2009. Grinding and pressure grinding. In: Lönnberg, B. (Ed.). Mechanical Pulping. 2^nd edition. Paper Engineers’ Association, Helsinki, Finland. Pp. 116−173”.

References

1. Paulapuro, H. 1976. Operating model of a grinder. Part 1. Interdependence of motor load and rate of production of a grinder. Paperi ja Puu 58(1):5−9,11−13,15−18.
2. Zupan, R., Mitchell, G., Burkett, W. and Kevin, L. 1990. Pulp mill modernization/replacement at Blandin Company Grand Rapids, Minnesota, U.S.A. Proceedings of 44^th Appita Annual General Conference, April 2−6, 1990, Rotorua, New Zealand. Pp. C26.1−C26.15.
3. Roberts, C. B. and Chapman, R. 1995. Precise control of sharpening burr. Proceedings of 1995 International Mechanical Pulping Conference, June 12−15, 1995, Ottawa, Canada. Pp. 45−48.
4. Puurunen, A., Blomqvist, S. and Ora, M. 1997. First mill scale experiences of the Water Jet pulpstone conditioning system at UPM-Kymmene Voikkaa and Rauma Paper Mill. Proceedings of TAPPI Pulping Conference, October 19−23, 1997, San Francisco, CA, USA.
5. Manner, H., Reponen, P., Vahteri, R. and Kärpänen, T. 1995. Effect of water jet pulpstone conditioning on mechanical pulp and paper quality at Anjala paper mill. Proceedings of International Mechanical Pulping Conference, June 12−15, 1995, Ottawa, Canada. Pp. 35−44.
6. Karojärvi, R., Haikkala P., Liimatainen, H., Lucander, M. and Tuovinen, O. 2009. Grinding and pressure grinding. In: Lönnberg, B. (Ed.). Mechanical Pulping. 2^nd edition. Paper Engineers’ Association, Helsinki, Finland. Pp. 116−173.
7. Haka-Risu, J. 1998. Batch control of pressure grinding. Master Thesis. Tampere University of Technology, Tampere, Finland. 97 p. (in Finnish).
8. Kärnä, A. and Liimatainen, H. 1995. Control of pressurised grinding. Initial experiences at Anjala. Pulp and Paper Canada 86(12):T377−T383.
9. Lehto, J. H. J., Tuovinen, O. and Björkqvist, T. 2001. New thinking in groundwood process control. Pulp and Paper Canada 102(9):T263−T268.
10. Tuovinen, O., Pietarila, V. and Pietinen, P. 2003. New active water jet stone conditioning control for stable groundwood pit quality at maximized grinder motor loads. Proceedings of 2003 International Mechanical Pulping Conference, June 2−5, 2003, Québec, Canada. Pp. 141−147.