苯-甲苯物性參數(shù)(文檔良心出品)

PAGEPAGE1《化工原理課程設(shè)計(jì)二》任務(wù)書(shū)(1)設(shè)計(jì)題目：試設(shè)計(jì)一座苯—甲苯連續(xù)精餾塔，要求進(jìn)料量噸/小時(shí)，塔頂餾出液中苯含量不低于99%，塔底餾出液中苯含量不高于2%，原料液中含苯41%（以上均為質(zhì)量%）。（二）操作條件（1）塔頂壓強(qiáng)4kPa（表壓）（2）進(jìn)料熱狀況（3）回流比自選（4）單板壓降不大于0.7kPa（三）設(shè)備型式：（1）F1型浮閥塔；（2）篩板塔（四）設(shè)備工作日：每年330天，每天24小時(shí)連續(xù)運(yùn)行（五）廠址：西寧地區(qū)（六）設(shè)計(jì)要求：概述設(shè)計(jì)方案的確定及流程說(shuō)明塔的工藝計(jì)算塔和塔板主要工藝尺寸的設(shè)計(jì)塔高、塔徑及塔板結(jié)構(gòu)尺寸的確定；塔板的流體力學(xué)驗(yàn)算塔板的負(fù)荷性能圖設(shè)計(jì)結(jié)果概要或設(shè)計(jì)結(jié)果一覽表對(duì)本設(shè)計(jì)的評(píng)述和有關(guān)問(wèn)題的分析討論設(shè)計(jì)基礎(chǔ)數(shù)據(jù)1、苯和甲苯的物理性質(zhì)分子量沸點(diǎn),℃臨界溫度tc,℃苯78.1180.1288.56833.4甲苯92.13110.6318.574107.72、常壓下苯—甲苯的氣液平衡數(shù)據(jù)溫度t,℃液相中笨的摩爾分率x氣相中笨的摩爾分率x110.560.000.00109.911.002.50108.793.007.11107.615.0011.2105.0510.020.8102.7915.029.4100.7520.037.298.8425.044.297.1330.050.795.5835.056.694.0940.061.992.6945.066.791.4050.071.390.1155.075.588.8060.079.187.6365.082.586.5270.085.785.4475.088.584.4080.091.283.3385.093.682.2590.095.981.1195.098.080.6697.098.880.2199.099.6180.01100100.03、飽和蒸汽壓P0用Antoine方程計(jì)算logP0=A-式中t——物系溫度，℃P0——飽和蒸汽壓，Antoine常數(shù)組分ABC苯6.0231206.35220.24甲苯6.0781343.94219.584、組分液相密度ρ溫度，℃8090100110120ρ，kg/m3苯815803.9792.5780.3768.9甲苯810800.2790.3780.3770.05、組分的表面張力σ溫度，℃8090100110120σ，m苯21.2720.0618.8517.6616.49甲苯21.6920.5919.9418.4117.316、液體粘度μl溫度，℃8090100110120μl,mPas苯0.3080.2790.2550.2330.215甲苯0.3110.2860.2640.2540.2287、液體汽化潛熱γ溫度，℃8090100110120γ(KJ/kg)，苯394.1