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Experimental Investigation of Droplet Entrainment in the Feed Section of Distillation Columns
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-01-14 , DOI: 10.1002/ceat.201900510 Novin Darvishsefat 1 , Marcus Grünewald 1
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-01-14 , DOI: 10.1002/ceat.201900510 Novin Darvishsefat 1 , Marcus Grünewald 1
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Droplet entrainment was investigated in the feed section of distillation columns for multiple feed inlet devices under different flow conditions. Entrainments from two‐phase flow regimes were measured in the feed section of a column with an air and water system. A new feed inlet device named demister flash box was developed. Measurements with two‐phase flow regime in the feed pipe indicated that the demister flash box had the lowest entrainment. Experiments with a surfactant in water due to low surface tension demonstrated that the entrainment was higher compared to water. In addition, entrainment determinations with high droplet flow rate from a spray nozzle in feed were conducted. The results indicated that the V baffle had the lowest entrainment.
中文翻译：
蒸馏塔进料段液滴夹带的实验研究
在不同流量条件下，在多个进料入口装置的蒸馏塔进料段中研究了液滴的夹带。在带有空气和水系统的塔的进料段中测量了两相流态的夹带。开发了一种名为除雾器闪蒸箱的新型进料口装置。在进料管中采用两相流态进行的测量表明，除雾器闪蒸箱的夹带率最低。由于表面张力低，在水中使用表面活性剂进行的实验表明，与水相比，夹带率更高。另外，从进料中的喷雾嘴以高液滴流速进行夹带测定。结果表明，V挡板的夹带率最低。
更新日期：2020-01-14
中文翻译：
蒸馏塔进料段液滴夹带的实验研究
在不同流量条件下，在多个进料入口装置的蒸馏塔进料段中研究了液滴的夹带。在带有空气和水系统的塔的进料段中测量了两相流态的夹带。开发了一种名为除雾器闪蒸箱的新型进料口装置。在进料管中采用两相流态进行的测量表明，除雾器闪蒸箱的夹带率最低。由于表面张力低，在水中使用表面活性剂进行的实验表明，与水相比，夹带率更高。另外，从进料中的喷雾嘴以高液滴流速进行夹带测定。结果表明，V挡板的夹带率最低。
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