【正文】 .......... 5 設(shè)計(jì)根據(jù) ............................................................................................................ 5 設(shè)計(jì)內(nèi)容及任務(wù) .................................................................................................. 7 設(shè)計(jì)題目 ................................................................................................... 7 設(shè)計(jì)任務(wù)及條件 ........................................................................................ 7 設(shè)計(jì)內(nèi)容： ......................................................................................................... 7 設(shè)計(jì)成果： ......................................................................................................... 7 第 2 章 塔的工藝計(jì)算 ...................................................................................................... 8 工藝過(guò)程 ............................................................................................................ 8 物料衡算 ................................................................................................... 8 理論及實(shí)際塔板數(shù)的確定 .......................................................................... 9 塔的結(jié)構(gòu)設(shè)計(jì) ................................................................................................... 11 精餾塔塔徑的計(jì)算 ................................................................................... 11 塔的實(shí)際高度和實(shí)際進(jìn)料高度的計(jì)算 ....................................................... 18 第 3 章 換熱器設(shè)備計(jì)算 ................................................................................................. 19 全凝器負(fù)荷計(jì)算 ................................................................................................ 19 塔釜 飽和蒸汽直接加熱流量計(jì)算 ....................................................................... 20 冷凝器二負(fù)荷計(jì)算 ............................................................................................ 20 冷凝器三負(fù)荷計(jì)算 ............................................................................................ 21 換熱器負(fù)荷計(jì)算 ................................................................................................ 22 第 4 章 管材的計(jì)算 ........................................................................................................ 24 進(jìn)料管直徑的計(jì)算 ............................................................................................ 24 溜出夜管道直徑的計(jì)算 ..................................................................................... 24 全凝器冷凝水管材直徑的計(jì)算 ........................................................................... 25 冷凝器冷卻水管材直徑的計(jì)算 ........................................................................... 26 冷凝器二的計(jì)算： ................................................................................... 26 冷凝器三的實(shí)際流速計(jì)算 ........................................................................ 27 換熱器沸騰水進(jìn)水管道直徑 .............................................................................. 27 第 5 章 離心泵的選型與計(jì)算 .......................................................................................... 28 進(jìn)料離心泵的計(jì)算選型 ..................................................................................... 28 循環(huán)泵一的計(jì)算及選型 ..................................................................................... 29 循環(huán)泵二的計(jì)算和選型 ..................................................................................... 30 沸騰水進(jìn)塔離心泵 ............................................................................................ 31 表索引 表 21物料衡算數(shù)據(jù)記錄 .......................................................................................... 8 表 22平均摩爾質(zhì)量 ............................................................................................... 13 表 23液相平均密度 ............................................................................................... 14 表 24液體平均張力 ............................................................................................... 16 表 25汽液相體積流量計(jì)算 .................................................................................... 17 緒論 培養(yǎng)學(xué)生綜合運(yùn)用所學(xué)知識(shí)，特別是本課程的有關(guān)知識(shí)解決化工實(shí)際問(wèn)題的工作能力，使學(xué)生得到一次學(xué)習(xí)化工設(shè)計(jì)能力的初步訓(xùn)練，為今后從事化工設(shè)計(jì)工作打下基礎(chǔ)。 課程設(shè)計(jì)方案選定所涉及的主要內(nèi)容有：操作壓力、進(jìn)料狀況 、加熱方式及