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Influence of temperature on energy efficiency in double disc chip refining
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2009 (English)In: Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009, 2009, p. 344-347Conference paper, Published paper (Refereed)
Abstract [en]

As part of the investment project at Holmen Paper Braviken, the primary stage refining system of counter-rotating RGP68DD refiners (Metso) has been investigated. It is considered to be one of the most energy efficient refiners when comparing to e.g. tensile index. The aim with this work is to optimize the refining conditions for the RGP68DD in regard to refining temperature. Full-scale trials were made where SEC and temperature were successively increased at the same time. The SEC was mainly controlled with motor load and production rate. Feed- and housing- pressure were used to control temperature. The results show that stable specific energy consumption, and refining conditions regarding temperature, resulted in a pulp with increased quality.

 

 

Place, publisher, year, edition, pages
2009. p. 344-347
Keywords [en]
Control temperatures; Counter rotating; Energy efficient; Full-scale trials; Holmen papers; Investment projects; Motor loads; Production rates; Refining conditions; Refining systems; Specific energy consumption
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-11704Scopus ID: 2-s2.0-77951096622OAI: oai:DiVA.org:miun-11704DiVA, id: diva2:324288
Conference
2009 International Mechanical Pulping Conference, IMPC 2009; Sundsvall; 31 May 2009 through 4 June 2009; Code 79937
Available from: 2010-06-14 Created: 2010-06-14 Last updated: 2011-01-15Bibliographically approved

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Muhic, DinoEngstrand, Per

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