【正文】 目錄 摘 要 ...................................................................................................................................................... 1 Abstract ..................................................................................................................................................... 2 緒 論 ...................................................................................................................................................... 3 第一章 設計原則與步驟 ............................................................................................................................ 4 設計任務 ...................................................................................................................................... 4 設計原則 ...................................................................................................................................... 4 設 計步驟 ...................................................................................................................................... 5 第二章 精餾塔工藝設計 ............................................................................................................................ 6 產(chǎn)品流量和組成的確定 .................................................................................................................. 6 塔板數(shù)的確定 ................................................................................................................................ 7 進料線方程的確定 ............................................................................................................... 7 操作線方程 ......................................................................................................................... 8 理論塔板數(shù)求解 .................................................................................................................. 8 實際板數(shù)的求取 .................................................................................................................. 9 精餾塔主體尺寸的計算 ................................................................................................................ 10 相關參數(shù)和物性數(shù)據(jù)計算 .................................................................................................. 10 塔徑的計算 ....................................................................................................................... 12 精餾塔有效高度的計算 ...................................................................................................... 14 填料塔高度的計算 ............................................................................................................. 14 塔板主要工藝尺寸的計算 ........................................................................................................... 15 溢流裝置計算 .................................................................................................................... 15 篩孔數(shù)目、篩孔排列及塔板布置 ....................................................................................... 16 塔 板流體力學驗算 ....................................................................................................................... 17 單板壓降 ........................................................................................................................... 17 液面落差 ........................................................................................................................... 18 霧沫夾帶 ........................................................................................................................... 18 漏液 .................................................................................................................................. 19 液泛 .................................................................................................................................. 19 塔板負荷性能圖 .......................................................................................................................... 20 精餾段塔板負荷性能圖 ...................................................................................................... 20 提餾段塔板負荷性能圖 ...................................................................................................... 22 第三章 輔助設備 ..................................................................................................................................... 26 接管 ............................................................................................................................................ 26 進料管 .............................................................................................................................. 26 回流管 .............................................................................................................................. 26 塔頂蒸汽出口管 ................................................................................................................ 26 塔底出料管 ....................................................................................................................... 27 塔頂蒸氣出料管 ................................................................................................................ 27 換熱器的計算 .............................................................................................................................. 28 塔頂冷凝器設計： ............................................................................................................. 28 塔底再沸器的選型 ............................................................................................................. 30 塔頂產(chǎn)品冷卻器選型 ......................................................................................................... 31 塔底產(chǎn)品冷卻器選型 ......................................................................................................... 33 儲罐的選擇 ................................................................................................................................. 34 離心泵的選擇 ..............................................................................................