Characterization of the Parameters for the Refining Intensity in Terms of Performance

Huan Liu; Jixian Dong; Hui Jing; Xiya Guo; Lijie Qiao

doi:10.7584/JKTAPPI.2019.04.51.2.26

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자료유형: 학술저널

저자정보: Huan Liu (Shaanxi University of Science & Technology) Jixian Dong (Shaanxi University of Science & Technology) Hui Jing (Shaanxi University of Science & Technology) Xiya Guo (Shaanxi University of Science & Technology) Lijie Qiao (Shaanxi University of Science & Technology)

저널정보: 한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제51권 제2호(통권 제187호)

발행연도: 2019.4

수록면: 26 - 39 (14page)

DOI: 10.7584/JKTAPPI.2019.04.51.2.26

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Refining intensity is typically used to measure the efficiency of refining in the pulp and paper industry, and the refining intensity is difficult to analyze due to the various parameters influencing it. In this paper, the previously published refining intensities of a disc refiner were analyzed, and the characterization parameters were proposed. Based on the bar interactions, the refining intensity was established using theoretical derivation. The cut edge length (CEL), the CEL-based characterization parameters and bar interactions (BI) characterization parameters were used to show that the CEL directly reflected the number of bar interaction points, but it had no direct relationship with the bar interaction area (BIA) and bar interaction length (BIL). By analyzing the relationship between the different refining intensities and the properties of the fibers or pulp, it could be concluded that the specific refining energy (SRE) better reflected the variations in the beating degree of the pulp during the refining process compared with the specific surface load (SSL) and BI-based refining intensities. Also, the intensity based on the bar interaction length (BIL) can better characterize the changes in the average fiber length. However, all the intensities analyzed in this paper do not comprehensively describe the refining process and cannot predict all the parameters of the pulp and fibers but only partly characterize their properties. Therefore, further studies are required to establish a more comprehensive and precise measure of refining intensity.

#Pulp and paper #disc refiner #bar interaction #refining intensity #characterization parameters

참고문헌 (23)

참고문헌 신청

Brecht, W. / 1967 / A method for comparative evaluation of barequipped beating devices / TAPPI Journal 50(8):40~44

Wultsch, F. / 1958 / Der escher-wysskleinrefiner als standard-prüfgerät für moderne stoffaufbereitungsanlagen / Papier 12(13):13~18

Brecht, W. / 1966 / Zur Theoretisch-technischen beurteilung des mahlprozesses moderner mahlmaschinen / Papier 20(1):4~14

Lumiainen, J. / 1990 / New theory can improve practice / Pulp and Paper International 32(7):46~47

Lumiainen, J. / 1995 / Specific surface load theory / Proceeding of 3rd PIRA International Refining Conference :56~60

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