规整填料内液体分布的实验研究进展

doi:10.16085/j.issn.1000-6613.2015.08.004

化工进展 ›› 2015, Vol. 34 ›› Issue (08): 2932-2939.DOI: 10.16085/j.issn.1000-6613.2015.08.004

规整填料内液体分布的实验研究进展

张会书¹, 袁希钢¹, KALBASSI Mohammad Ali²

1 天津大学化学工程联合国家重点实验室, 天津 300072;
2 空气产品公众有限公司, 泰晤士河畔沃尔顿, 英国

收稿日期:2015-01-26 修回日期:2015-03-18 出版日期:2015-08-05 发布日期:2015-08-05
通讯作者: 袁希钢,教授,从事传质分离及系统工程的研究。E-mail yuanxg@tju.edu.cn。
作者简介:张会书(1983—),女,博士研究生,从事化工分离的研究。

Research progress of liquid distribution in structured packing

ZHANG Huishu¹, YUAN Xigang¹, KALBASSI Mohammad Ali²

1 Tianjin University, State Key Laboratory of Chemical Engineering, Tianjin 300072, China;
2 Air Products Public Limited Company, Walton on Thames, UK

Received:2015-01-26 Revised:2015-03-18 Online:2015-08-05 Published:2015-08-05

摘要/Abstract

摘要： 测量规整填料内液体分布的实验方法有接液法、电导示踪法、光纤传感技术、断层成像技术和激光诱导荧光技术等。这些实验方法比较有效,但也存在一些不足。本文介绍了各种实验方法的原理、实现方式及不足之处,重点阐述了断层成像技术和激光诱导荧光技术。两种技术均实现了填料内液体分布的可视化,获得了持液量,但都存在如何有效去除背景噪声的问题。激光诱导荧光技术与断层成像技术相比,具有新型、可靠、易于实现和安全等优点。最后,探讨了激光诱导荧光技术在未来应用中的新方向,包括与粒子成像测速仪联用、与高速相机联用、对实验结果的再提取及实验填料的加工。

关键词: 规整填料, 液体分布, 断层成像技术, 激光诱导荧光技术

Abstract: Liquid distribution in structured packing can be experimentally measured by liquid collecting, conductivity tracing, fiber-optic sensors, tomography and laser induced fluorescence technique. These experimental methods are effective, but there are also some deficiencies. The principles, implementations and deficiencies of these experimental methods are introduced and discussed. Tomography and laser induced fluorescence technique are elaborated. Both techniques realize visualization of liquid distribution and obtain liquid holdup, but there exist the problem of how to effectively remove background noise. Compared with tomography, laser induced fluorescence technique is novel, reliable, easy to implement and safe. Finally, new directions of laser induced fluorescence technique in future applications are discussed, including combination with particle image velocimetry or high-speed camera, re-extraction of experimental data and fabrication of experimental structured packing.

Key words: structured packing, liquid distribution, tomography, laser induced fluorescence technique

中图分类号:

TQ028

张会书, 袁希钢, KALBASSI Mohammad Ali. 规整填料内液体分布的实验研究进展[J]. 化工进展, 2015, 34(08): 2932-2939.

ZHANG Huishu, YUAN Xigang, KALBASSI Mohammad Ali. Research progress of liquid distribution in structured packing[J]. Chemical Industry and Engineering Progree, 2015, 34(08): 2932-2939.

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规整填料内液体分布的实验研究进展

Research progress of liquid distribution in structured packing

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