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【目的】探究制丝分组加工烟丝结构分布变化对卷制适用性的影响。【方法】针对分组加工A模块采用薄板烘丝，B模块采用气流烘丝，利用柔性断丝技术分组M0(A、B模块均不断丝)、M1(A断丝、B不断丝)、M2(A不断丝、B断丝)、M3(A、B均断丝)优化烟丝结构，分析烟丝结构变化对烟支物理指标、卷制过程的影响。【结果】4种试验模式下，制丝各工序综合稳定性系数控制在97%以上，批次间稳定性好。(1)贮丝柜出口、集丝箱和跑条工序M2组烟丝结构均匀性系数高于其他3组，烟丝尺寸分布较集中，集丝箱至跑条，M2组长丝转化为中短丝的转化率最高，转化为碎丝率最低，烟丝造碎最小；(2)卷制过程中M2组烟支密度分布一致性系数h值较小，密度一致性较好；端部落丝量、缺嘴、过轻和过重的剔废率均改善明显；(3)柔性断丝M3组卷制烟支重量标偏、吸阻标偏、密度一致性系数均较小，即3项指标稳定性优于不断丝的M0组卷制烟支样品。【结论】单独对B模块柔性断丝最有利于改善烟丝结构分布，提升卷制质量。
Abstract：[Objective]This study aims to explore the influence of structural distribution changes in cut tobacco during group processing on rolling suitability.[Methods]A thin-plate tobacco drying method was used in Module A of the grouped processing,and an airflow drying method was applied in Module B.The flexible cut tobacco technology was utilized for group M0 (no cutting in both A and B modules),M1(cutting in A,no cutting in B),M2 (no cutting in A,cutting in B),and M3 (cutting in both A and B),to optimize the structure of cut tobacco and analyze the impact of structural changes on the physical indicators of cigarettes and the rolling process.[Results]In the four test modes,the comprehensive stability coefficient of each process of Diamond (L) tobacco production was controlled above 97%,indicating good inter-batch stability.The results show that:(1) The structural uniformity coefficient of cut tobacco at the outlet of the tobacco storage cabinet,the tobacco collection box,and the conveyor process in the M2 group was higher than that of the other three groups,with a more concentrated tobacco size distribution.From the tobacco collection box to the cigarette rod guide,the long-cut tobacco in the M2 group had the highest conversion rate to medium-short cut tobacco and the lowest conversion rate to shredded tobacco,resulting in minimal tobacco breakage.(2) In the process of making cigarettes,the density consistency coefficient h of the cigarettes in the M2 group was lesser than other groups,indicating better density consistency.The waste rate of tobacco loss at cigarette ends,the lack of filter,the underweight,and overweight cigarettes were all significantly improved.(3)The weight deviation,resistance deviation,and density consistency coefficient of the cigarette in M3 group were smaller,meaning that the stability of the three indexes was better than that in the M0group.[Conclusion]The flexible cutting of tobacco solely in Module B is most beneficial for improving the structural distribution of cut tobacco and enhancing the rolling quality.
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基本信息:
DOI：10.16472/j.chinatobacco.2024.T0067
中图分类号:TS452
引用信息:
[1]李自娟,王海涛,邓国栋等.柔性断丝技术在卷烟生产分组加工中的研究与应用[J].中国烟草学报,2025,31(02):39-46.DOI:10.16472/j.chinatobacco.2024.T0067.
基金信息:
中国烟草总公司科技重点研发项目（中烟办[2021]44号项目（110202102009））