3、力降低(30%~50%),而且结构简单,塔盘造价减少40%左右,安装、维修都较容易,从而获得了广泛应用。其中精馏塔的工艺设计计算包括塔高、塔径、塔板各部分尺寸的设计计算,塔板的布置,塔板流体力学性能的校核及绘出塔板的性能负荷图。关键词:乙醇—丙醇;气液传质分离;精馏;筛板塔Abstract:Atpresent, thegas-liquidseparation for masstransferequipment ismainlyused fortheseparationof platetower, twoyuanof mixture, t
4、he continuousdistillationprocess. Sieveplatetower isa tower ofearlier. Hasthefollowingadvantages: highproductioncapacity (20%~40%),tray efficiencyishigh(10%~15%), pressuredrop (30%~50%), andhastheadvantagesofsimplestructure, tray cost reductionofabout40%, installation, r
5、epair easier, thusobtainedthewidespreadapplication.The processdesign ofdistillationcolumndesignandcalculation, including the towerdiameter, plate parts sizecalculation, plate layout, loadperformance diagram trayHydrodynamicsPerformance Checkand draw tray.Keywords: ethano