【文章內(nèi)容簡介】 ......58 塔板數(shù)的確定 ............................................................................................................59 內(nèi)蒙古科技大學畢業(yè)設計說明書 6 理論板層數(shù)的求取 ...............................................................................................59 實際板層數(shù)的求取 ...............................................................................................61 回收塔的工藝條件及有關物性數(shù)據(jù)的計算 ............................................................61 操作溫度計算 .......................................................................................................61 平均摩爾質量計算 ...............................................................................................62 平均密度計算 .......................................................................................................62 液體平均表面張力的計算 ...................................................................................63 液體平均粘度 .......................................................................................................64 回收塔的塔體工藝尺寸計算 ....................................................................................64 氣液相負荷計算 ...................................................................................................64 回收塔有效高度的計算 .......................................................................................66 實 際塔高的計算 ...................................................................................................66 塔板主要工藝尺寸的計算 ........................................................................................67 溢流裝置計算 .......................................................................................................67 塔板布置 ...............................................................................................................70 塔板的流體力學驗算 ................................................................................................72 塔板壓降 ...............................................................................................................72 液泛 .......................................................................................................................73 霧沫夾帶 ...............................................................................................................74 塔板負荷性能圖 ........................................................................................................75 霧沫夾帶上線 .......................................................................................................75 液泛線 ...................................................................................................................75 液相負荷上限線 ...................................................................................................76 泄漏線 氣相負荷下限線 .....................................................................................76 液相負荷下限線 ...................................................................................................77 塔的操作彈性 .......................................................................................................77 回收塔接管尺寸計算 ................................................................................................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)蒙古科技大學畢業(yè)設計說明書 7 排液排出管徑 .......................................................................................................79 回收塔筒體壁厚計算 ................................................................................................79 第六章 輔助設備設計 ........................................................................................................81 儲罐的選擇 ................................................................................................................81 儲罐的計算與選型 ...............................................................................................81 泵的選型 ....................................................................................................................82 換熱器的選型 ............................................................................................................83 甲醇預熱器 ...........................................................................................................83 甲醇汽化器 ...........................................................................................................87 換熱器 ...................................................................................................................88 冷卻器 ...................................................................................................................88 DME 精餾塔全凝器 ............................................................................................89 DME 精餾塔再沸器 ............................................................................................90 DME 冷卻器 ........................................................................................................91 甲醇水換熱器 .......................................................................................................92 甲醇精餾塔全凝器 ...............................................................................................92 甲醇精餾塔再沸器 ...............................................................................................93 甲醇水換熱器 .......................................................................................................94 參考文獻 ...................................................................................................................................95 附 錄 .......................................................................................................................................97 致 謝 .........................................