【正文】 ........12 塔效率的計(jì)算 ..................................................................................................................13 實(shí)際塔板數(shù)的計(jì)算 ...........................................................................................................14 精餾段 ..................................................................................................................14 提餾段 ..................................................................................................................14 ....................................................................................................................15 板間距的初選 ......................................................................................................15 塔徑的估算 ..........................................................................................................15 武漢工程 大學(xué)化工原理課程設(shè)計(jì)說明書 IV 精餾段 .......................................................................................................16 提餾段 .......................................................................................................17 第四章塔板工藝尺寸的計(jì)算 .................................................................................................. 18 精餾段塔板工藝尺寸計(jì)算 ................................................................................................18 溢流裝置的設(shè)計(jì) ....................................................................................................18 降液管的類型與溢流方式 .............................................................................18 溢流裝置的設(shè)計(jì)計(jì)算 ...................................................................................18 溢流堰 ........................................................................................................18 弓形降液管 ..................................................................................................19 受液盤 .........................................................................................................20 塔板設(shè)計(jì) ...............................................................................................................21 塔板布置 .....................................................................................................21 篩孔的計(jì)算及其排列 ...................................................................................21 篩孔的排列與篩孔數(shù) ....................................................................................22 開孔率 .........................................................................................................22 篩孔分布圖 ..................................................................................................22 提餾段塔板工藝尺寸設(shè)計(jì) ................................................................................................23 溢流裝置計(jì)算 ........................................................................................................23 溢流堰高度 ..................................................................................................23 弓形降液管寬度和截面積 .............................................................................23 降液管底隙高度 ...........................................................................................23 塔板設(shè)計(jì) ...............................................................................................................24 塔板布置 .....................................................................................................24 篩孔的計(jì)算及其排列 ...................................................................................24 篩孔的排列與篩孔數(shù) ....................................................................................24 開孔率 .........................................................................................................24 篩孔分布圖 ..................................................................................................25 板的流體力學(xué)性能驗(yàn)算 ....................................................................................................25 精餾段 ..................................................................................................................25 塔板壓降 ......................................................................................................25 液面落差 ......................................................................................................27 液沫夾帶 ......................................................................................................27 漏液 .............................................................................................................27 液泛 .............................................................................................................28 提餾段 ...................................................................................................................28 塔板壓降 ......................................................................................................28 液面落差 ......................................................................................................29 液沫夾帶 ......................................................................................................30 漏液 .............................................................................................................30 液泛 .............................................................................................................30 塔板的負(fù)荷性能圖 ...........................................................................................................31 精餾段 ...................................................................................................................31 漏液線 .........................................................................................................31 液沫夾帶線 ..................................................................................................31 武漢工程 大學(xué)化工原