【正文】 .....................................................................................................53 液相負(fù)荷上限線 ...................................................................................................53 泄漏線 — 氣相負(fù)荷下限線 ...................................................................................54 液相負(fù)荷下限線 ...................................................................................................54 塔的操作彈性 .......................................................................................................54 精餾塔接管尺寸計(jì)算 ................................................................................................55 塔頂蒸氣出口管的直徑 .......................................................................................55 回流管的直徑 .......................................................................................................56 加料管的直徑 .......................................................................................................56 塔底出料管的直徑 ...............................................................................................56 精餾塔筒體壁厚計(jì)算 ................................................................................................56 第五章 甲醇回收塔計(jì)算 ....................................................................................................58 設(shè)計(jì)方案的確定 ........................................................................................................58 回收塔的物料衡算 ....................................................................................................58 原料液及塔頂和塔底的摩爾分?jǐn)?shù) .......................................................................58 原料液及塔頂和塔底產(chǎn)品的平均摩爾質(zhì)量 .......................................................58 物料衡算 ...............................................................................................................58 塔板數(shù)的確定 ............................................................................................................59 內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說明書 6 理論板層數(shù)的求取 ...............................................................................................59 實(shí)際板層數(shù)的求取 ...............................................................................................61 回收塔的工藝條件及有關(guān)物性數(shù)據(jù)的計(jì)算 ............................................................61 操作溫度計(jì)算 .......................................................................................................61 平均摩爾質(zhì)量計(jì)算 ...............................................................................................62 平均密度計(jì)算 .......................................................................................................62 液體平均表面張力的計(jì)算 ...................................................................................63 液體平均粘度 .......................................................................................................64 回收塔的塔體工藝尺寸計(jì)算 ....................................................................................64 氣液相負(fù)荷計(jì)算 ...................................................................................................64 回收塔有效高度的計(jì)算 .......................................................................................66 實(shí) 際塔高的計(jì)算 ...................................................................................................66 塔板主要工藝尺寸的計(jì)算 ........................................................................................67 溢流裝置計(jì)算 .......................................................................................................67 塔板布置 ...............................................................................................................70 塔板的流體力學(xué)驗(yàn)算 ................................................................................................72 塔板壓降 ...............................................................................................................72 液泛 .......................................................................................................................73 霧沫夾帶 ...............................................................................................................74 塔板負(fù)荷性能圖 ........................................................................................................75 霧沫夾帶上線 .......................................................................................................75 液泛線 ...................................................................................................................75 液相負(fù)荷上限線 ...................................................................................................76 泄漏線 氣相負(fù)荷下限線 .....................................................................................76 液相負(fù)荷下限線 ...................................................................................................77 塔的操作彈性 .......................................................................................................77 回收塔接管尺寸計(jì)算 ................................................................................................78 塔頂 蒸氣出口管的直徑 .......................................................................................78 回流管的直徑 .......................................................................................................78 加料管的直徑 .......................................................................................................79 內(nèi)蒙古科技大學(xué)畢業(yè)設(shè)計(jì)說明書 7 排液排出管徑 .......................................................................................................79 回收塔筒體壁厚計(jì)算 ................................................................................................79 第六章 輔助設(shè)備設(shè)計(jì) ........................................................................................................81 儲(chǔ)罐的選擇 ................................................................................................................81 儲(chǔ)罐的計(jì)算與選型 ...............................................................................................81