规整填料在高压下传质效率的实验研究.pdf

《规整填料在高压下传质效率的实验研究.pdf》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、第20卷第4期吉林化工学院学报VoI.20No.42003年12月JOURNALOFJILININSTITUTEOFCHEMICALTECHNOLOGYDec.2003!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!文章编号：1007-285（32003）04-0001-04THEEXPERIMENTALSTUDYONTHEEFFICIENCYOFSTRUCTUREDPACKINGATHIGHPRESSURE张鹏1，王琨1，高维平1，余

2、国琮2（1.JiIinInstituteofChemicaITechnoIogy，JiIinCity132022，China；2.ChemicaIEngineeringResearchCenter，TianinUniversity，Tianin300072，China）Abstract：MasstransferefficiencyofMeIIapak250YcorrugatedstructuredpackingindistiIIationcoIumnatoperatingpressuresfrom0.3to1

3、.9MpawasstudiedexperimentaIIyandanaIyzedbyusingHTU-NTUmethod.ThedistiIIationcoIumnis0.15mindiameterwithn-butane/n-pentaneasseparatingsystemattotaIrefIux.TheHTUOGisevaIuatedfromthedataofn-butaneconcentrationprofiIeinIiguidphase.OurresuItshowsthattheHTUOGisin

4、creasedfrom0.365to0.551mwithpressureincreasingfrom1.0to1.9Mpa.ItindicatesthereductionofmasstransferefficiencyofthestructuredpackingathighpressureismainIyduetotheeffectofvaporbackmixingandthesubseguentIiguidmaIdistribution.Kwords：masstransfer；structuredpacki

5、ng；backmixing；heightofatransferunit中图分类号：TO050.4+5文献标识码：ACorrugatedmetaIsheetstructuredpackingposeofthispaperistoguantifytheeffectofback-havebeenwideIyusedinthechemicaIandpetro-mixingonmasstransferefficiencyindistiIIationchemicaIindustriessincetheseventiesf

6、ortheircoIumnwithcorrugatedstructuredpackingunderhighthroughput，Iowpressuredrop，IowerIiguidhighpressure.hoIdup，goodseparationefficiencyand，particuIar-Iy，smaIIerscaIe-upeffectincomparisonwithran-1ExperimentaIWorkdompacking.However，fortheappIicationofthestruc

7、turedpackingtohighpressuredistiIIation，theAschematicdrawingofthehigh-pressuredis-observedmasstransferefficiencywasoftenmuchtiIIationcoIumnisshowninFig.1.Theinsidedi-Iowerthanexpected.RecentIy，FRIpubIishedtestameteris150mmandthepackedbedheightisdataforMeIIap

8、ak250Yfortheisobutane/n-butane2000mm.TheoperatingtemperatureismeasureddistiIIationatpressuresfrom0.7~2.7Mpa（Fitzatthetop，middIeandbottomofthecoIumnbythe［1］）.At0.7Mpa，theHETpwasfoundtobeetaIresistanceth