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【目的】探究通风率和通风分配对卷烟主流烟气pH的影响规律。【方法】采用pH=7.000水萃取烟气总粒相物，用酸度计测定不同通风分配下常规卷烟和细支卷烟的烟气pH，建立滤嘴通风和卷烟纸通风与烟气pH的预测模型，并对模型进行验证。【结果】(1)随着卷烟总通风率的上升，常规卷烟和细支卷烟烟气pH均呈线性上升趋势(R2>0.93)，且常规卷烟烟气pH上升幅度大于细支卷烟。(2)卷烟烟支烟气pH的预测值与实测值比值在1.001～1.004，所建立的卷烟纸通风率和滤嘴通风率与烟气pH的预测模型具有高度适宜性；模型系数项均为正值，无论是常规卷烟还是细支卷烟，增加卷烟纸透气率或滤嘴通风率后卷烟总通风增大，烟气pH均呈上升趋势。(3)在卷烟总通风固定前提下，卷烟纸通风率与滤嘴通风率比值(Vp/Vf)对常规卷烟烟气pH影响较大，对细支卷烟主流烟气pH影响较小。【结论】在卷烟总通风固定前提下，调控常规卷烟、细支卷烟烟气pH通风分配方式存在显著差异。
Abstract：[Objective] To investigate the effects of ventilation rate and ventilation distribution on the mainstream smoke pH of cigarettes. [Methods] The total particulate matter of mainstream smoke was extracted with water at pH 7.000,the smoke pH of regular and slim cigarettes under different ventilation distributions was determined using a pH meter. [Results](1)With increasing total ventilation rate, the smoke pH of both regular and slim cigarettes increased linearly(R2>0.93), and the increase of smoke pH from regular cigarette was greater than that of slim cigarette.(2)Prediction models correlating smoke pH with filter ventilation and cigarette paper ventilation were established and validated, the ratio of the predicted value to the measured value of cigarette smoke pH is between 1.001 and 1.004, indicating that the established prediction model has high adaptability. And whether it was regular cigarette or slim cigarette, all model coefficients were positive, indicating that smoke pH increased with either cigarette paper ventilation or filter ventilation.(3)Under the premise of fixed total ventilation of cigarettes, the ratio Vp/Vf has a greater effect on the mainstream smoke pH of regular cigarettes than on that of slim cigarettes. [Conclusion] Under the premise of fixed total ventilation of cigarettes, there are significant differences in the ventilation distribution strategies for regulating mainstream smoke pH between regular and slim cigarettes.
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基本信息:
DOI：10.16472/j.chinatobacco.2025.T0459
中图分类号:TS452
引用信息:
[1]李山,王洪波,胡腾飞,等.通风分配对常规和细支卷烟主流烟气pH影响分析[J].中国烟草学报,2026,32(04):1-8.DOI:10.16472/j.chinatobacco.2025.T0459.
基金信息:
中国烟草总公司重点实验室项目“卷烟通风分配对烟气成分及感官质量风格影响规律研究”（110201603006）; 甘肃省科技重大专项项目“卷烟生产制造过程质量管理信息系统开发与应用”（22ZD11GA293）
2026-04-23
2026-04-23
2026-04-23