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苯-氯苯分離精餾塔——浮閥塔設(shè)計化工原理課程設(shè)計-wenkub

2023-07-12 19:19:56 本頁面
 

【正文】 計 4.化學(xué)工程手冊 5.化工原理 苯、氯苯純組分的飽和蒸汽壓數(shù)據(jù) 其他物性數(shù)據(jù)可查有關(guān)手冊。 (2)進(jìn)料熱狀態(tài) :露點進(jìn)料 。 1 課程設(shè)計說明書 課程設(shè)計名稱 化工原理課程設(shè)計 課程設(shè)計題目 苯 氯苯混合液浮閥式精餾塔設(shè)計 姓 名 學(xué) 號 專 業(yè) 班 級 指導(dǎo)教師 提交日期 2 化工原理課程設(shè)計任務(wù)書 (一 )設(shè)計題目 苯 氯苯連續(xù)精餾塔的設(shè)計 (二 )設(shè)計任務(wù)及操作條件 設(shè)計 任務(wù) (1)原料液中含氯苯 42%(質(zhì)量 )。 (3)回流比 R=( ) Rmin。 4 目錄 前 言 ...........................................................................................................................................................................6 1.設(shè)計方案的思考 ........................................................................................................................................... 6 ............................................................................................................................................. 6 3.工藝流程的確定 ........................................................................................................................................... 6 一.設(shè)備工藝條件的計算 .....................................................................................................................................8 1.設(shè)計方案的確定及工藝流程的說明 ........................................................................................................ 8 2.全塔的物料衡算 ........................................................................................................................................... 8 料液及塔頂?shù)桩a(chǎn)品含苯的摩爾分率 .................................................................................................8 平均摩爾質(zhì)量 .........................................................................................................................................8 料液及塔頂?shù)桩a(chǎn)品的摩 爾流率 ..........................................................................................................8 3.塔板數(shù)的確定 ................................................................................................................................................ 9 TN 的求取 ........................................................................................................................9 確定操作的回流比 R.......................................................................................................................... 10 ........................................................................................................................................11 全塔效率 TE ....................................................................................................................................... 12 實際塔板數(shù) pN (近似取兩段效率相同) ................................................................................ 13 4.操作工藝條件及相關(guān)物性數(shù)據(jù)的計算 ................................................................................................. 12 mp ........................................................................................................................................ 13 平均溫度 mt ........................................................................................................................................ 14 mM .................................................................................................................................. 14 mρ ......................................................................................................................................... 15 液體的平均表面張力 mσ ................................................................................................................. 16 液體的平均粘度 mLμ, ....................................................................................................................... 17 氣液相體 積流量 ................................................................................................................................. 18 6 主要設(shè)備工藝尺寸設(shè)計 ............................................................................................................................... 19 塔徑 ........................................................................................................................................................ 19 7 塔板工藝結(jié)構(gòu)尺寸的設(shè)計與計算 ............................................................................................................. 20 溢流裝置 ............................................................................................................................................... 20 塔板布置 ............................................................................................................................................... 23 二 塔板流的體力學(xué)計算 .................................................................................................................................... 25 1 塔板壓降 ......................................................................................................................................................... 25 5 2 液泛計算 ......................................................................................................................................................... 27 3 霧沫夾帶的計算 ............................................................................................................................................. 28 4 塔板負(fù)荷性能圖 ............................................................................................................................................. 30 霧沫夾帶上限線 ................................................................................................................................. 30 液泛線 ................................................................................................................................................... 31 液相負(fù)荷上限線 ................................................................................................................................. 32 氣體負(fù)荷下限線(漏液線) ....................................
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