| 超重力精馏过程传热传质机理研究 |
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| 引用本文： | 栗秀萍,刘有智,王晓莉. 超重力精馏过程传热传质机理研究[J]. 化学工业与工程技术, 2010, 31(2): 1-5 |
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| 作者姓名： | 栗秀萍 刘有智 王晓莉 |
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| 作者单位： | 中北大学,化工与环境学院,山西省超重力化工工程技术研究中心,山西,太原,030051 |
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| 基金项目： | 高等学校博士学科点专项科研基金，山西省基础研究青年科技研究基金 |
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| 摘 要： | 以波纹丝网为填料,以立式逆流超重力装置为主要设备,应用热量传递与质量传递理论,建立了超重力精馏装置内气、液温度分布的数学模型;以转子内半径29 mm、外半径63 mm、轴向高度32mm、内置直径1.6 mm、空隙率0.85、比表面积1 750 m2/m3的波纹丝网为填料的超重力装置为精馏设备,以乙醇-水为物系,在常压、室温进料、原料流量20 L/h、原料乙醇质量分数20%、转速800 r/min-1、回流比为1的操作条件下,对模型进行了检验。精馏段气相温度的实测值与模型计算值的偏差为1.41%,提馏段外半径的实测值与模型计算值的偏差为3.87%。
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| 关 键 词： | 精馏 旋转填料床 传热传质机理 数学模型 检验 |
Study on heat and mass transfer mechanism in high gravity distillation process |
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| LI Xiuping,LIU Youzhi,WANG Xiaoli. Study on heat and mass transfer mechanism in high gravity distillation process[J]. Journal of Chemical Industry & Engineering, 2010, 31(2): 1-5 |
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| Authors: | LI Xiuping LIU Youzhi WANG Xiaoli |
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| Affiliation: | LI Xiuping,LIU Youzhi,WANG Xiaoli(School of Chemical Engineering and Environment,North University of China,Research Center of Shanxi Province for High Gravity Chemical Engineering and Technology,Taiyuan 030051,China) |
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| Abstract: | The mathematic model of temperature of gas and liquid in counter-current high gravity device packed with wave wire packing is developed based on heat and mass transfer theories.The distillation installation is a high gravity device packed with wave wire packing which diameter is 1.6 mm,porosity is 0.85,and specific surface area is 1 750 m2/m3.The inner radius of the rotor is 29 mm,the outer radius is 63 mm and the height in axis is 32 mm.The operation conditions are as follows: under atmospheric pressure an... |
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| Keywords: | Distillation Rotating packed bed Heat and mass transfer mechanism Mathematic model Testing |
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