片烟混合干燥模型的建立

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• 英文论文题名：Experimental and mathematical studies of various tobacco strip mixture drying
• 论文作者：黄锋 ; 王苏红 ; 王乐 ; 陈清 ; 马建勋 ; 张扬
• 英文论文作者：Huang Feng ; Wang Suhong ; Wang Le ; Chen Qing ; Ma Jianxun ; Zhang Yang ; Hua Huan International Tobacco Co. ; Ltd. ; Key Laboratory of Tobacco Processing Technology ; Zhengzhou Tobacco Research Institute of CNTC
• 年：2016
• 作者机构：华环国际烟草有限公司;中国烟草总公司郑州烟草研究院;
• 论文关键词：片烟 ; 干燥 ; Newton模型 ; 混合干燥数学模型
• 英文论文关键词：tobacco strip ; drying ; Newton drying model ; mixed drying mathematical model
• 会议召开时间：2016-12-01
• 会议录名称：中国烟草学会2016年度优秀论文汇编——烟草农业主题
• 语种：中文
• 分类号：TS452
• 学会代码：ZGYG
• 学会名称：中国烟草学会
• 页数：9
• 文件大小：1487k
• 原文格式：D

摘要

为研究不同配方片烟的混合干燥特性,考察了河南平顶山和驻马店两个产地C2F片烟及其在2:1、1:1和1:2质量配比下混合样品干燥过程的含水率变化情况;比较了5种常用的干燥模型,在此基础上建立了描述不同产地片烟混合干燥特性的数学模型。结果表明:①确立了Newton薄层干燥模型作为基础模型;②不同片烟混合干燥动力学过程的数学模型分配系数包含不同原料初始干基含水率和平衡干基含水率两个因子,理论上可以描述任意质量比混合片烟的干燥过程;③Newton模型参数拟合值和混合干燥模型参数计算值之间的相对误差小于5%。该模型可以预测不同质量比混合片烟的干燥动力学参数,评价混合后片烟干燥特性。
In order to study the drying process of different tobacco mixture, the experiments of moisture content in tobacco were carried out with the tobacco mass range from 2:1 and 1:1 to 1:1 and two kinds of C2 F gradeoriginal tobacco from Pingdingsan and Zhumadian City of Henan province. By the comparison and selection of 5 common mathematical models, and a mixed model is derived and established to explore the drying characteristics of tobacco mixture. The results show that:(1) we confirm Newton thin layer drying model as the basic model;(2) the parameter model is established to describe different tobacco mixture drying kinetic process, the mixed model contains the difference of initial moisture content and equilibrium moisture content, and realizes the theoretical prediction on drying characteristics of any mixed tobacco materials;(3) the experimental verification shows that the model parameters are basically consistent with the experimental value with relative error less than 5%. The establishment of the mixed drying model provides good guidance to the theory and application of drying process design and uniformity control of various tobacco mixture.

引文

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