烟草科技2016，Vol.49Issue(9)：76-81,6.DOI:10.16135/j.issn1002-0861.2016.0032
烟草低温加热状态下气溶胶粒径分布及影响因素
Aerosol particle size distribution of tobacco heated at low temperature and its influencing factors
摘要
Abstract
In order to investigate the aerosol particle size distribution of tobacco heated at low temperature,a test method for characterizing the particle size distribution of aerosol was developed by a combined system based on a steady state pyrolysis device and an impingement sampler. The effects of temperature,the first stage inlet air flow,the second stage inlet air flow and tobacco sample type on the aerosol particle size distribution were studied. The results showed that: 1)The combined system was suitable for analyzing the characteristics of aerosol particle size distribution of tobacco heated at low temperature. 2) Comparing with elevating temperature,increasing the first stage and second stage inlet air flow,especially increasing the first stage inlet air flow,was more effective in inhibiting particle agglomeration,pushing particle distribution towards smaller side,and reducing mean mass diameter of aerosol. 3) Under the same low-temperature pyrolysis condition, tobacco samples in the order of mean mass diameter of aerosol were burley tobacco > flue-cured tobacco >expanded cut tobacco ≈ reconstituted tobacco > oriental tobacco > expanded cut stem.关键词
烟草/低温加热/气溶胶/粒径分布Key words
Tobacco/Low-temperature heating/Aerosol/Particle size distribution分类
轻工纺织引用本文复制引用
周顺,汪华,陈刚,王孝峰,宁敏,徐迎波,李振华,何庆,张亚平,佘世科,朱栋梁..烟草低温加热状态下气溶胶粒径分布及影响因素[J].烟草科技,2016,49(9):76-81,6.基金项目
安徽中烟工业有限责任公司科技项目“烟草低温加热状态下烟气释放规律、物化特性及影响因素研究”（2015103）；“阴燃特性分析新技术及其标准化预研研究”（2014103）。 （）
