乙醇----丙醇連續(xù)浮閥式精餾塔的設(shè)計

1、...目錄化工原理設(shè)計任務(wù)書.................................................1摘 要..........................................................2第 1 章 緒論......................................................31.2 設(shè)計流程................

2、.................................................................................................................3 1.2 設(shè)計思路................................................................................................

3、....................................................4第 2 章 塔板的工藝設(shè)計 ........................................................................................................................52.1 精餾塔全塔物料衡算................

4、...........................................................................................5 2.2 常壓下乙醇-水氣液平衡組成（摩爾）與溫度的關(guān)系......................................................52.2.1 溫度的確定................................

5、.................................................................................5 2.2.2 密度的計算.................................................................................................................6 2.2.3 混合

6、液體表面張力的計算.........................................................................................7 2.2.4 混合液混合物的粘度計算.........................................................................................8 2.2.5 相對揮發(fā)

7、度.................................................................................................................92.3 理論塔板的計算.............................................................................................

8、.......................92.3.1 理論塔板數(shù)的確定.....................................................................................................9 2.3.2 實際塔板數(shù)..................................................................

9、.............................................112.3.2.1 精餾段.........................................................................................................112.3.2.2 提餾段..........................................

10、..................................................................112.4 塔徑的初步設(shè)計..................................................................................................................122.4.1 氣液相體積流量計算........

11、.......................................................................................122.4.1.1 精餾段............................................................................................................12 2.4.1.2

12、 提餾段............................................................................................................122.4.2 操作壓力計算.............................................................................................

13、..............12 2.4.3 塔徑的計算與選擇...................................................................................................132.4.3.1 精餾段...........................................................................

14、.................................13 2.4.3.2 提餾段............................................................................................................132.5 溢流裝置.....................................................

15、.........................................................................142.5.1 溢流堰長...................................................................................................................142.5.2 弓形降液管的寬度 與

16、降液管的面積 ............................................................14 d W f A2.5.3 降液管底隙高度.......................................................................................................152.6 塔板布置...............

17、...............................................................................................................152.6.2 塔板的分布...............................................................................................

18、................15 2.6.2 浮閥數(shù)目與排列.......................................................................................................152.6.3.1 精餾段......................................................................

19、......................................15 2.6.3.2 提餾段............................................................................................................16第 3 章 塔板的流體力學(xué)計算 ........................................

20、183.1 汽相通過浮閥塔板的壓降..................................................................................................183.1.1 精餾段............................................................................................

21、...........................18...化工原理設(shè)計任務(wù)書 化工原理設(shè)計任務(wù)書一、設(shè)計題目：乙醇----丙醇連續(xù)浮閥式精餾塔的設(shè)計二、任務(wù)要求：設(shè)計一連續(xù)浮閥精餾塔以分離乙醇—丙醇具體工藝參數(shù)如下： 原料加料量 F＝100kmol/h 進料組成 xF＝0.318 餾出液組成 xD＝0.938 釜液組成 xw＝0.038 塔頂壓力 p＝100kpa 單板壓降 ≤0.7 kPa2 工藝操作條件：常