【正文】 ..............................................................6 ..........................................................................................................7 ..............................................................................................................7 4 三、 精餾塔設(shè)計(jì) .......................................................................................................................7 工藝條件的確定 ...............................................................................................................7 ...............................................................................................7 ...............................................................................................................8 ...........................................................................................................9. 精餾塔物料恒算 ................................................................................................................9 ....................................................................................................................9 、塔底產(chǎn)品的平均摩爾量 ................................................................9 ....................................................................9 塔板數(shù)計(jì)算 ........................................................................................................................9 ...............................................................................................................9 XY曲線 ................................................................................................................9 Rmin........................................................................................................................10 ..............................................................................................................11 ..............................................................................................11 ET......................................................................................................11 ..........................................................................................................11 塔的精餾段操作工藝條件及計(jì)算 .................................................................................12 mP............................................................................................................12 ......................................................................................................12 ..............................................................................................13 ..........................................................................................................14 ..........................................................................................15 ..................................................................................................16 精餾塔的塔體工藝尺寸計(jì)算 .........................................................................................17 R1=.................................................................................................17 、液相負(fù)荷： ..............................................................................17 Vs和 Ls計(jì)算 ................................................................................................17 ..............................................................................................................18 ..........................................................................................19 、塔底空間 ......................................................................................................20 DH.....................................................................................................20 空間 B....................................................................................................20 1H ...................................................................................................20 2H .............................................................................................20. 、塔總高度 ...................................................................................................20 . F1 型浮閥塔板設(shè)計(jì) （以塔頂?shù)诙K為例） ......................................................20 .................................................................................................................22 ..................................................................................23 ..................................................................................................23 ..........................................................................23 ..................................................................................................................24 ..........................................................................................................24 ..............................................................................................24 5 ......................................................................................................24 ..............................................................................................................25 ..............................................................................................25 ..............................................................................................................26 液相負(fù)荷下限線 .............................................................................................26 ..........................................................................................................26 四、 裝置熱衡算確定熱換器（以一秒計(jì)算為例） .......................................................27 塔頂冷凝器