【正文】 .................................................................................................11 塔底空間 HB ............................................................................................................11 塔壁厚計(jì)算.....................................................................................................................12 型浮閥塔板設(shè)計(jì) .............................................................................................................12 溢流裝置.........................................................................................................................12 lw.....................................................................................................................12 hw.............................................................................................................12 弓形降液管寬度 Wd 和面積Af：..........................................................................124 降液管底隙高度ho..................................................................................................12 塔板布置及浮閥數(shù)目與排列.........................................................................................12 塔板流體力學(xué)驗(yàn)算.........................................................................................................13 氣相通過浮閥塔板的壓強(qiáng)降..................................................................................13 淹塔..........................................................................................................................14 霧沫夾帶..................................................................................................................14 塔板的負(fù)荷性能.............................................................................................................14 霧沫夾帶線..............................................................................................................15 液泛線....................................................................................................................15 液體負(fù)荷上限線....................................................................................................15 漏夜線....................................................................................................................16 液相負(fù)荷下限線...................................................................................................16 ....................................................................................................................16...................................................................................................................16 ..........................................................................................................................16 熱負(fù)荷 Qc ..................................................................................................................16 傳熱面積 A....................................................................................................................17 求平均溫度.............................................................................................................17 K 值選定.................................................................................................................17 傳熱面積 A.............................................................................................................17 循環(huán)水的用量計(jì)算.......................................................................................................17 熱換器選用....................................................................................................................17 .............................................................................................................................18 熱負(fù)荷 QB......................................................................................................................18 傳熱面積 A.....................................................................................................................18 求平均溫度..............................................................................................................18 傳熱面積 A 計(jì)算 .....................................................................................................18 過熱蒸汽的用量............................................................................................................18 再沸器的選用.................................................................................................................18 ..............................................................................................................................19 求平均溫度.....................................................................................................................19 求比熱和傳熱的熱量....................................................................................................19 塔底產(chǎn)品預(yù)熱給的熱量...............................................................................................19 傳熱面積和過熱蒸汽的用量計(jì)算................................................................................19 預(yù)熱器選用....................................................................................................................19 塔釜產(chǎn)品冷卻器 ..................................................................................................................19五、經(jīng)濟(jì)估算..................................................................................................................................20 塔主要設(shè)備經(jīng)費(fèi)計(jì)算（R 1 為例）......................................................................................20 塔壁面積計(jì)算.................................................................................................................20 塔板面積計(jì)算.................................................................................................................20 主要塔設(shè)備費(fèi)用計(jì)算..................................................