松散润叶筒三维传热传质过程数值模拟

CN 41-1437/TS ISSN 2096-1553

松散润叶筒三维传热传质过程数值模拟

沈凯, 潘凡达, 李旭, 等. 松散润叶筒三维传热传质过程数值模拟[J]. 轻工学报, 2023, 38(5): 96-103. doi: 10.12187/2023.05.013

引用本文:沈凯, 潘凡达, 李旭, 等. 松散润叶筒三维传热传质过程数值模拟[J]. 轻工学报, 2023, 38(5): 96-103.doi:10.12187/2023.05.013

SHEN Kai, PAN Fanda, LI Xu, et al. Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder[J]. Journal of Light Industry, 2023, 38(5): 96-103. doi: 10.12187/2023.05.013

Citation:SHEN Kai, PAN Fanda, LI Xu, et al. Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder[J]. Journal of Light Industry, 2023, 38(5): 96-103.doi:10.12187/2023.05.013

松散润叶筒三维传热传质过程数值模拟

1. 浙江中烟工业有限责任公司技术中心, 浙江杭州 310024;
2. 华东理工大学化学工程系, 上海 200237

作者简介:沈凯(1983-),男,浙江省杭州市人,浙江中烟工业有限责任公司高级工程师,博士,主要研究方向为卷烟制丝工艺。E-mail:shenk@zjtobacco.com;

基金项目:中国烟草总公司重点研发项目(110202102042)
浙江中烟工业有限责任公司科技项目(ZJZY2021A006)
中图分类号:TS43

Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder

1. Technology Center, China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou 310024, China;
2. Department of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
Received Date:2022-11-18
Accepted Date:2023-02-14

CLC number:TS43

摘要:为研究松散润叶筒内部热湿环境分布,通过构建真实比例的三维松散润叶筒模型,采用计算流体力学(CFD)方法数值模拟松散润叶筒内部的三维传热传质过程,并根据温度和含水率对喷雾喷射角和筒体倾角进行优化。结果表明:模拟值与实验值整体吻合良好,温度平均相对误差为0.6%,所建立的 CFD 模型真实有效;轴向气相温度呈阶段式变化,前半段温度迅速升高,后半段温度稳定在341.0 K左右;雾化水和水蒸气向烟叶持续传质传热,使得轴向烟叶温度、含水率逐步提高,最终出料口烟叶温度达326.3 K,含水率达17.21%;筒体倾角为3°、喷雾喷射角为45°时,烟叶加湿加热效果最佳。
- 松散润叶筒/
- 烟叶/
- 传热/
- 传质/
- 数值模拟
Abstract:In order to study the distribution of heat and moisture environment inside the moistening cylinder, a three-dimensional moistening cylinder model with real proportion was constructed. The three-dimensional heat and mass transfer process inside the moistening cylinder was numerically simulated by computational fluid dynamics (CFD) method, and the spray angle and cylinder inclination angle were optimized according to temperature and moisture content. The results showed that the simulated values were in good agreement with the experimental values, and the average relative error of temperature was 0.6%. The established CFD model was real and effective. The temperature of the gas phase in the axial direction changes in stages. The temperature in the first half increased rapidly, and the temperature in the second half was stable at about 341.0 K. The continuous mass and heat transfer of atomized water and water vapor to tobacco leaves gradually increased the temperature and moisture content of tobacco leaves in the axial direction. The temperature of tobacco leaves at the final discharge port reached 326.3 K, and the moisture content reached 17.21%. Through further research, the optimization suggestions for the process conditions of the moistening cylinder are put forward: the inclination angle of the cylinder should be selected as 3°, and the spray angle should be selected as 45°.
- moistening cylinder/
- tobacco/
- heat transfer/
- mass transfer/
- numerical simulation
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沈凯, 潘凡达, 李旭, 等. 松散润叶筒三维传热传质过程数值模拟[J]. 轻工学报, 2023, 38(5): 96-103. doi: 10.12187/2023.05.013

引用本文:沈凯, 潘凡达, 李旭, 等. 松散润叶筒三维传热传质过程数值模拟[J]. 轻工学报, 2023, 38(5): 96-103.doi:10.12187/2023.05.013

松散润叶筒三维传热传质过程数值模拟

作者简介:沈凯(1983-),男,浙江省杭州市人,浙江中烟工业有限责任公司高级工程师,博士,主要研究方向为卷烟制丝工艺。E-mail:shenk@zjtobacco.com

1. 浙江中烟工业有限责任公司技术中心, 浙江杭州 310024;
2. 华东理工大学化学工程系, 上海 200237

收稿日期: 2022-11-18
录用日期: 2023-02-14

基金项目:中国烟草总公司重点研发项目(110202102042)浙江中烟工业有限责任公司科技项目(ZJZY2021A006)

关键词:

摘要:为研究松散润叶筒内部热湿环境分布,通过构建真实比例的三维松散润叶筒模型,采用计算流体力学(CFD)方法数值模拟松散润叶筒内部的三维传热传质过程,并根据温度和含水率对喷雾喷射角和筒体倾角进行优化。结果表明:模拟值与实验值整体吻合良好,温度平均相对误差为0.6%,所建立的 CFD 模型真实有效;轴向气相温度呈阶段式变化,前半段温度迅速升高,后半段温度稳定在341.0 K左右;雾化水和水蒸气向烟叶持续传质传热,使得轴向烟叶温度、含水率逐步提高,最终出料口烟叶温度达326.3 K,含水率达17.21%;筒体倾角为3°、喷雾喷射角为45°时,烟叶加湿加热效果最佳。

English Abstract

Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder

1. Technology Center, China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou 310024, China;
2. Department of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China

Received Date:2022-11-18
Accepted Date:2023-02-14

Abstract:In order to study the distribution of heat and moisture environment inside the moistening cylinder, a three-dimensional moistening cylinder model with real proportion was constructed. The three-dimensional heat and mass transfer process inside the moistening cylinder was numerically simulated by computational fluid dynamics (CFD) method, and the spray angle and cylinder inclination angle were optimized according to temperature and moisture content. The results showed that the simulated values were in good agreement with the experimental values, and the average relative error of temperature was 0.6%. The established CFD model was real and effective. The temperature of the gas phase in the axial direction changes in stages. The temperature in the first half increased rapidly, and the temperature in the second half was stable at about 341.0 K. The continuous mass and heat transfer of atomized water and water vapor to tobacco leaves gradually increased the temperature and moisture content of tobacco leaves in the axial direction. The temperature of tobacco leaves at the final discharge port reached 326.3 K, and the moisture content reached 17.21%. Through further research, the optimization suggestions for the process conditions of the moistening cylinder are put forward: the inclination angle of the cylinder should be selected as 3°, and the spray angle should be selected as 45°.

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松散润叶筒三维传热传质过程数值模拟

作者简介:沈凯(1983-),男,浙江省杭州市人,浙江中烟工业有限责任公司高级工程师,博士,主要研究方向为卷烟制丝工艺。E-mail:shenk@zjtobacco.com;

Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder

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通讯作者:陈斌, bchen63@163.com

松散润叶筒三维传热传质过程数值模拟

作者简介:沈凯(1983-),男,浙江省杭州市人,浙江中烟工业有限责任公司高级工程师,博士,主要研究方向为卷烟制丝工艺。E-mail:shenk@zjtobacco.com

English Abstract

Three-dimensional heat and mass transfer model and numerical simulation of moistening cylinder

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