CFD Analysis of Gas Distributor in Packed Column ——Prediction of Gas Flow and Effect of Tower Internals Geometry Structure

Asoneofinternalparts,thefeedgasdistributorplaysanimportantroleinapackedcolumn.Thesmoothoperationandbetterqualityofproductsaregreatlyinfluencedbyitsperformance,especiallyinthecolumnwithlargediameter,shortpackedbedandlowpressuredrop.Duetotheimpor tanceoftheuniformityofinletgasdistribution ,itisessentialtodesignagoodfeedgasdistributor.However,fewtheoreti calandexperimentalapproacheshavebeencarriedoutinthisareasofarduetothecomplexityofthefluidflow[1 ,2 ] .　　Theliquidflowstructureisimprovedbyanew…     

一种新型高效的精馏器——折流式超重力旋转床

介绍了一种新型、高效的精馏设备——折流式超重力旋转床的结构、性能及其在工业生产连续精馏中的应用。工业生产表明,在相近的操作条件下,一台直径为830 mm、高度仅为0.8 m的折流式超重力场旋转床的分离效果与10多米高的填料塔相当,可达15~20块理论板,而设备的占地面积不足2 m2,展示出了良好的应用前景。