吴双坤^1,2,焦凯旋³,吴可君^1,2,何潮洪^1,2,边腾飞³

• 1:浙江省化工高效制造技术重点实验室， 浙江大学 化学工程与生物工程学院， 浙江杭州 310058
• 2:浙江大学衢州研究院， 浙江衢州 324000
• 3:浙江中烟工业有限责任公司， 浙江 杭州 310024

摘要(Abstract)：

干冰膨胀烟丝(DIET)过程是烟草工业重要的制丝工艺，膨胀后烟丝含水率是表征该工艺的1项重要技术指标。本研究基于卷烟厂制丝车间的实际运行数据，以物料衡算和热量衡算为基础，考虑两相间对流传热系数的变化，并结合适当的工程简化，分别建立了DIET过程中烟丝出口温度、工艺气体回风温度和膨胀后烟丝含水率的数学模型。其中回风温度和膨胀后烟丝含水率数学模型的平均绝对误差分别为0.24%和1.99%，最大绝对误差分别为0.83%和6.33%，该模型可较好地描述工艺条件对二者的影响，对膨胀后烟丝含水率的调控有较好的指导意义。

关键词(KeyWords)： 干燥;烟丝;数学模型;含水率

Abstract:

Keywords:

基金项目(Foundation): 浙江大学-浙江中烟联合实验室干冰烟丝膨胀过程传热传质过程预研。

作者(Author): 吴双坤^1,2,焦凯旋³,吴可君^1,2,何潮洪^1,2,边腾飞³

DOI: 10.3969/j.issn.1003-9015.2024.04.003

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