| 刘欢,刘洪斌,董继先,乔丽洁,刘泽华,王双飞.低浓实验盘磨机恒功率循环磨浆特性研究[J].中国造纸,2026,45(2):42-49 |
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| 低浓实验盘磨机恒功率循环磨浆特性研究 |
| Refining Characteristics of Low Consistency Experimental Disc Refiner Operating by Constant-power Cyclic Mode |
| 收稿日期：2025-07-14 修订日期：2025-08-12 |
| DOI：10.11980/j.issn.0254-508X.2026.02.006 |
| 关键词: 制浆造纸 盘磨机 低浓 恒功率 磨浆特性 |
| Key Words:papermaking disc refiner low consistency constant-power refining characteristics |
| 基金项目: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）。 |
| 作者 | 单位 | 邮编 | | 刘欢* | 天津科技大学轻工科学与工程学院,生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,天津,300457
山东太阳纸业股份有限公司,山东济宁,272100
广西大学轻工与食品工程学院,广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 | 530004 | | 刘洪斌* | 天津科技大学轻工科学与工程学院,生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,天津,300457 | 300457 | | 董继先 | 陕西科技大学机电工程学院,陕西西安,710021 | 710021 | | 乔丽洁 | 陕西科技大学机电工程学院,陕西西安,710021 | 710021 | | 刘泽华 | 山东太阳纸业股份有限公司,山东济宁,272100 | 272100 | | 王双飞* | 广西大学轻工与食品工程学院,广西清洁化制浆造纸与污染控制重点实验室,广西南宁,530004 | 530004 |
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| 摘要:本研究以低浓实验盘磨机为基础，用齿倾角为10°的等距直齿磨盘在3种不同磨浆强度下，对漂白硫酸盐桉木浆恒功率循环磨浆特性进行了研究。恒功率循环磨浆可用磨浆强度及比能耗表征，但需通过减小磨盘间隙来维持功率的恒定。当磨浆强度较大（如0.155 N）时，由于较强的切断作用使纸张抗张指数明显降低；而磨浆强度越小，浆料打浆度随纤维长度的变化速率越快，有利于纤维细纤维化，进而影响纸张物理指标，但需综合考虑磨浆时间。当磨浆强度为0.053 N时，纸张撕裂指数峰值增加，但达到峰值所需比能耗及时间增加，磨浆效率降低。因此，低浓磨浆中需确定合理的磨浆强度值及调节方式，平衡切断、细纤维化、纸张物理性能及能耗。 |
| 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. |
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