新建2萬噸環(huán)氧丙烷生產(chǎn)廠初步設(shè)計書

1、初步設(shè)計書第1頁共42頁第二篇初步設(shè)計說明書初步設(shè)計書第3頁共42頁4.2預(yù)分離塔物料恒算如表4.2..................................................................................254.3甲醇回收塔物料衡算如表4.3.....................................................................

2、...........264.4丙烯回收塔物料衡算如表4.4...............................................................................26丙烯回收塔物料衡算如表4.4......................................................................................264.5環(huán)氧丙烷

3、精餾塔物料衡算......................................................................................275、設(shè)備設(shè)計及選型...............................................................................................................285.1

4、反應(yīng)器計算............................................................................................................285.1.2反應(yīng)管長度的計算........................................................................................295.

5、1.3管束尺寸和反應(yīng)管的排列............................................................................295.1.4板厚的計算...................................................................................................305.1.5孔數(shù)和孔徑的確定....

6、...................................................................................305.2精餾塔設(shè)計............................................................................................................315.2.1塔徑的計算.......

7、............................................................................................325.2.2塔高的計算...................................................................................................335.2.3其他精餾塔的計算..

8、.....................................................................................345.3離心泵的選型...........................................................................................................345.3.1丙烯進料泵的選型：.

9、..................................................................................345.3.2雙氧水進料泵的選型：................................................................................355.3.3甲醇進料泵的選型：.........................

10、..........................................................355.3.4預(yù)精餾回流泵選型：....................................................................................365.3.5丙烯回收塔回流泵選型：............................................

11、.............................375.3.7甲醇回收塔回流泵選型：...........................................................................385.4換熱器選型........................................................................................

12、....................385.4.1設(shè)計計算主要公式.....................................................................................385.4.2流體流動阻力計算主要公式.......................................................................406、車間布置說明