[1]盛遵荣,薛冰,刘周明,等.颗粒直径与轴向分布对吸附热变换器传热传质的影响[J].郑州大学学报(工学版),2017,38(04):17-22.[doi:10.3969/j.issn.1671-6833.2017.01.011]
　Sheng Zunrong,Xue Bing,Liu Zhouming,et al.Effect of particle diameter and particle axial distribution on heat and mass transfer inside adsorption heat transformer[J].Journal of Zhengzhou University (Engineering Science),2017,38(04):17-22.[doi:10.3969/j.issn.1671-6833.2017.01.011]
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颗粒直径与轴向分布对吸附热变换器传热传质的影响()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
38卷
期数:
2017年04期
页码:
17-22
栏目:
出版日期:
2017-07-18

文章信息/Info

Title:
Effect of particle diameter and particle axial distribution on heat and mass transfer inside adsorption heat transformer
作者:
盛遵荣; 薛冰; 刘周明; 魏新利
1.郑州大学化工与能源学院,河南郑州450001;2郑州大学热能系统节能技术与装备教育部工程研究中心,河南郑州450001
Author(s):
Sheng Zunrong1; Xue Bing1; Liu Zhouming1; Wei Xinli2
1. College of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, Henan 450001; 2. Engineering Research Center of Energy System Energy Conservation Technology and Equipment, Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450001
关键词:
吸附; 热变换器; 颗粒直径; 颗粒分布; 传热; 传质; 蒸汽生成
Keywords:
DOI:
10.3969/j.issn.1671-6833.2017.01.011
文献标志码:
A
摘要:
采用沸石吸附液态水的直接接触方式,提高吸附热变换器内的传热传质速率,回收热水直接生成过热蒸汽,并通入干燥气使沸石再生.反应器内填充相同质量、不同直径的球形沸石,小颗粒填充床生成蒸汽的质量比大颗粒填充床提高64.89％,蒸汽最高温度和系统温升提高约37℃.双层反应器的两种填充类型(密集-松散型床和松散-密集型床)的实验表明,小颗粒对蒸汽和填充床的升温更加有效,密集-松散型床的顶部蒸汽最高温度平均值比松散-密集型床提高37.23％,最高温度持续时间缩短14.25％.密集-松散型床的蒸汽生成速率较松散-密集型床提高16.18％,有利于快速生成蒸汽,在沸石再生过程中,上反应器干燥时间比松散-密集型床减少25.03％,更有利于沸石再生.
Abstract:
A direct-contact method of zeolite adsorption liquid water was adopted to enhance heat and mass transfer rate within adsorption heat transformer.Hot water was recycled to generate superheated steam directly,and then saturated zeolite would be regenerated by drying gas.The reactor with was filled spherical zeolite with same mass and different diameters.The mass of steam generated by small particle packed bed was 64.89％ higher than that generated by big particle packed bed.The maximum steam temperature and gross temperature life had increased by about 37C.Experiments of two kinds of packed types in double layer reactor (finecoarse bed and coarse-fine bed) have shown that small particle played a more effective role for the heating of steam and packed bed;the mean maximum temperature of the steam at the top of fine-coarse bed is 37.23％ higher than that of coarse-fine bed and the lasting time of the maximum temperature is decreased by 14.25％.The steam generation rate of fine-coarse bed was 16.18％ higher than that of coarse-fine bed,which is more efficient in steam generation.In regeneration process,drying time of upper reactor was 25.03％ shorter than coarse-fine bed.It concluded that fine-coarse bed was more effective for zeolite regeneration.

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