【正文】 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(xué)驗算 .........................................................................................................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 4 液體負(fù)荷上限線 ....................................................................................................15 漏夜線 ....................................................................................................................16 液相負(fù)荷下限線 ...................................................................................................16 ....................................................................................................................16 四 .熱平衡確定熱換器 ...................................................................................................................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 ...............................................................................................19 傳熱面積和過熱蒸汽的用量計算 ................................................................................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)費計算（ R1為例） .........................................................................