|
二维码（扫一下试试看！） |
| Refining Characteristics of Low Consistency Experimental Disc Refiner Operating by Constant-power Cyclic Mode |
| Received:July 14, 2025 Revised:August 12, 2025 |
| DOI：10.11980/j.issn.0254-508X.2026.02.006 |
| Key Words:papermaking disc refiner low consistency constant-power refining characteristics |
| Fund Project:陕西省教育厅科学研究计划（24JP031）；陕西省重点研发计划（2025GH-YBXM-006）。 |
| Author Name | Affiliation | Postcode | | LIU Huan* | College of Light Industry Science and Engineering, State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457
Shandong Sun Paper Industry Joint Stock Co., Ltd., Jining, Shandong Province,272100
School of Light Industry and Food Engineering,Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 | | LIU Hongbin* | College of Light Industry Science and Engineering, State Key Lab of Bio-based Fiber Materials, Tianjin Key Lab of Pulp and Paper, Tianjin University of Science and Technology, Tianjin, 300457 | 300457 | | DONG Jixian | College of Mechanical and Electrical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | QIAO Lijie | College of Mechanical and Electrical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | LIU Zehua | Shandong Sun Paper Industry Joint Stock Co., Ltd., Jining, Shandong Province,272100 | 272100 | | WANG Shuangfei* | School of Light Industry and Food Engineering,Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control, Guangxi University, Nanning, Guangxi Zhuang Autonomous Region, 530004 | 530004 |
|
| Hits: 1641 |
| Download times: 384 |
| Abstract:This study was conducted based on a low-consistency experimental disc refiner， utilizing isometric straight-toothed discs with a 10° bar angle to investigate the constant-power cyclic refining characteristics of blenched sulfate eucalyptus pulp under three different refining intensities. Constant-power cyclic refining could be characterized by refining intensity and specific energy consumption， but it required maintaining a constant power output by reducing the disc gap clearance. When the refining intensity was relatively high (e.g.， 0.155 N)， the paper’s tensile index decreased significantly due to the strong fiber cutting action. Conversely， as the refining intensity decreased， the rate of change in the pulp’s beating degree with respect to fiber length increased more rapidly， facilitating fiber fibrillation and thereby influencing the paper’s physical properties. However， refining time needed to be comprehensively considered. When the refining intensity was 0.053 N， the peak value of the tear index increased， but the specific energy consumption and time required to reach this peak also increased， resulting in reduced refining efficiency. Therefore， in low-consistency refining， it was essential to determine reasonable refining intensity values and adjustment methods to balance fiber cutting， fibrillation， paper physical properties， and energy consumption. |
| View Full Text HTML View/Add Comment Download reader |
|
|
|