【正文】 ......................................................................7 摩爾分數(shù) ..........................................................................................................................7 原料液及塔頂、塔底產(chǎn)品的平均摩爾量 ......................................................................7 質(zhì)量物料恒算與負荷計算及其結(jié)果表 ..........................................................................8 塔板數(shù)計算 .............................................................................................................................8 ......................................................................................................................8 做 XY 曲線 .....................................................................................................................8 求 Rmin............................................................................................................................8 求理論塔板數(shù) ..................................................................................................................8 求平均塔效率 ET.............................................................................................................8 求實際塔板數(shù) ..................................................................................................................8 有關物性數(shù)據(jù)的計算 (以精餾段 R1 為例 )..........................................................................9 平均壓力計算 ...................................................................................................................9 平均摩爾質(zhì)量計算 ...........................................................................................................9 平均密度計算 ...................................................................................................................9 液體平均表面張力計算 ...................................................................................................9 液體的平均粘度 ..........................................................................................................10 精餾塔的塔體工藝尺寸計算 ................................................................................................10 負荷計算 .........................................................................................................................10 摩爾計算： ..............................................................................................................10 同理得質(zhì)量計算： ..................................................................................................10 不同回流比的負荷結(jié)果 .........................................................................................10 Vs和 Ls 計算 .........................................................................................................10 塔徑的計算 .....................................................................................................................10 精餾塔有效高度的計算 .................................................................................................11 塔頂、塔底空間 .............................................................................................................11 塔頂空間 HD ...........................................................................................................11 塔底空間 HB ............................................................................................................11 塔壁厚計算 .....................................................................................................................12 .............................................................................................................12 溢流裝置 .........................................................................................................................12 lw.....................................................................................................................12 hw.............................................................................................................12 Wd 和面積 Af： ..........................................................................12 ho..................................................................................................12 塔板布置及浮閥數(shù)目與排列 .........................................................................................12 塔板流體力學驗算 .........................................................................................................13 氣相通過浮閥塔板的壓強降 ..................................................................................13 淹塔 ..........................................................................................................................14 霧沫夾帶 ..................................................................................................................14 塔板的負荷性能 .............................................................................................................14 霧沫夾帶線 ..............................................................................................................15 液泛線 ....................................................................................................................15 4 液體負荷上限線 ....................................................................................................15 漏夜線 ....................................................................................................................16 液相負荷下限線 ...................................................................................................16 ....................................................................................................................16 四 .熱平衡確定熱換器 .................................................................................................