双仓平筛运动参数对筛理效率的影响
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1河南工业大学粮油食品学院,河南 郑州 450001;2河北苹乐面粉机械集团有限公司,河北 石家庄 050800;3山东鲁研农业良种有限公司,山东 济南 250100

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王凤成(1963—),男,河南工业大学教授,博士。E-mail:wangxiaoling74@163.com

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山东省“外专双百计划”项目(编号:WST2020028)


Effect of double-bin plansifter motion parameters on sieving efficiency
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1College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China;2Hebei Pingle Flour Machinery Group, Shijiazhuang, Hebei 050800, China;3Shandong Luyan Agricultural Co., Ltd., Jinan, Shandong 250100, China

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    摘要:

    目的 研究双仓平筛运动参数对小麦磨后不同系统物料筛理效率的影响。方法 选取典型的面粉生产线中皮磨、尾磨、渣磨磨下物为原料,使用双仓平筛对不同物料进行筛分,考察不同运动参数下各系统磨下物料的在筛体内停留时间和筛理效果的变化,并筛选各系统磨下物料在最佳筛分效果下的运动参数。结果 物料在双仓平筛内的停留时间从长到短依次为心磨、渣磨、皮磨。皮磨和渣磨磨下物料的筛理效果随离心加速度的增加先上升后下降,皮磨物料在D=64 mm、n=190 r/min时的筛理效果最好;渣磨物料在D=64 mm、n=203 r/min时的筛理效果最佳。心磨磨下物料在12.66 m/s2≤ω2r≤20.71 m/s2范围内,筛理效果与离心加速度成正比,并在D=50 mm、n=275 r/min时取得最佳。皮磨和渣磨物料适宜大直径、小转速的参数组合,心磨物料则更适宜小直径、大转速的组合。结论 筛理时要想达到最佳筛理效果,应根据物料的特性选择合适的运动参数。

    Abstract:

    Objective The aim is to explore the effect of double-bin plansifter motion parameters on the material sieving efficiency of different systems after wheat milling.Methods The milled materials produced by the break system, tailing roll, and scratch system, obtained from a typical milling production line, were selected as raw materials. The double-bin plansifter was used to sieve different materials to investigate the variations in residence time inside the sieve body and in sieving performance under different motion parameters of milled materials in each system. The motion parameters with the optimal sieving performance for the milled materials from each system were then identified.Results The residence time of materials in the double-bin plansifter decreases in the order of the reduction system, scratch system, and break system. The sieving performance of the milled materials of the break system and scratch system increases and then decreases with the increase of centrifugal acceleration, and the sieving performance of the break system materials is the best in the combination of D=64 mm and n=190 r/min, and that of the scratch system materials is the best in the combination of D=64 mm and n=203 r/min. The sieving performance of the milled materials of the reduction system is proportional to the centrifugal acceleration in the range of 12.66 m/s2≤ω2r≤20.71 m/s2, and the best is achieved at D=50 mm and n=275 r/min. The parameter combination of large diameter and small rotational speed is suitable for break and scratch system materials, while the combination of small diameter and large rotational speed is more suitable for reduction system materials.Conclusion To achieve the best performance when sieving, the appropriate motion parameters should be selected according to the characteristics of the materials.

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李爽,王凤成,邓香芝,等.双仓平筛运动参数对筛理效率的影响[J].食品与机械,2026,42(6):83-90.
LI Shuang, WANG Fengcheng, DENG Xiangzhi, et al. Effect of double-bin plansifter motion parameters on sieving efficiency[J]. Food & Machinery,2026,42(6):83-90.

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  • 收稿日期:2025-04-15
  • 最后修改日期:2025-11-18
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  • 在线发布日期: 2026-07-13
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