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| Classification and Design Method of Radial Straight Bar Refiner Segments |
| Received:October 28, 2025 Revised:February 12, 2026 |
| DOI：10.11980/j.issn.0254-508X.2026.05.020 |
| Key Words:disc refiner refiner segment radial straight-bar |
| Fund Project:陕西省教育厅科学研究计划项目资助（24JP031）；陕西省重点研发计划（2025GH-YBXM-006）。 |
| Author Name | Affiliation | Postcode | | LIU Huan* | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 | | Meng Qinghui | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 | | LIU Zheng | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 | | LIU Hongbin* | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 | | DONG Jixian | 2College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’ an, Shaanxi Provience,710021 | 710021 | | YANG Shuo | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 | | LIU Yingying | 1College of Light Industry Science and Engineering, State Key Lab of Biobased Fiber Materials, Tianjin Key Lab of Pulp and Paper, China Light Industry Key Lab of Papermaking and Biorefinery, Tianjin University of Science Technology, Tianjin, 300457 | 300457 |
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| Abstract:Radial straight-bar refiner segments are applied in the pulp refining process of the pulp and paper as well as related industries. Currently， research on the bar crossing theory and design method of the bar profile of radial straight-bar refiner segment is insufficient， which limits their effective application. This paper analyzed the bar profile characteristics and design basis of both central and non-central radial straight-bar refiner segments， elaborated the through， split and combined design methods for the bar profile of central radial straight-bar refiner segments， and investigated three design methods for the bar profile of non-central radial refiner segments based on the relative position of the radiation center， which laid a foundation for the parametric design and application of radial straight-bar refiner segments. |
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