【正文】 ........................................................................................ 7 ....................................................................................................................... 7 平均沸點(diǎn) vt ......................................................................................................... 7 10%~90%斜率 ............................................................................................... 7 平均沸點(diǎn) t分 ..................................................................................................... 7 平均沸點(diǎn) t質(zhì) ..................................................................................................... 8 ct ......................................................................................................... 8 mt ........................................................................................................... 8 K ............................................................................................................... 8 M： ................................................................................................................. 8 ............................................................................................................ 8 ................................................................................................ 9 焦點(diǎn)溫度和焦點(diǎn)壓力 ..............................................................................................10 ......................................................................................................10 ................................................................................... 11 .................................................................................................................. 11 ........................................................................................................... 11 ..................................................................................................................13 ...............................................................................................................13 ..................................................................................................................15 塔頂及各側(cè)線溫度的假設(shè)與回流熱分配 ....................................................................15 ........................................................................................................16 ...........................................................................................................17 .............................................................................................17 輕柴油抽出板和煤油抽出板溫度 ...............................................................................19 ........................................................................................................19 、液負(fù)荷分布圖 ........................................................................................................20 作全塔汽液相負(fù)荷分布圖 ....................................................................................................30 第四章：常壓蒸餾尺寸計(jì)算 ..............................................................................................................31 塔的直徑的計(jì)算 ..................................................................................................................31 ...............................................................................................................31 Wa....................................................................................................32 計(jì)算氣相空間截面積 ................................................................................................32 降液管內(nèi)流體流速 , Vd.............................................................................................32 ........................................................................................................32 Ft的計(jì)算 ...............................................................................................32 徑 D及空塔氣速 W .......................................................................................33 .........................................................................................................................33 塔板 ...................................................................................................................................33 塔板布置 ................................................................................................................33 浮閥的計(jì) 算 ............................................................................................................33 溢流堰及降液管的計(jì)算 .........................................................................................34 降液管 ..................................................................................................................35 第五章：常壓蒸餾塔水力計(jì)算 ...........................................................................................................35 板總壓力降 ......................................................................................................................35 霧沫夾帶 ............................................................................................................................36 ....................................................................................................................................36 ....................................................................................................................................36 降液管超負(fù)荷 .....................................................................................................................36 ...............................................................................................................37 ...............................................................................................................37 ....................