年產(chǎn)5萬噸甲醇雙塔精餾工藝設(shè)計(jì)

1、年產(chǎn) 5 萬噸甲醇雙塔精餾工藝設(shè)計(jì)The Two-tower-distillation Process Design of 50Kt/a Methanol 目 錄摘要............................................................................................................................IAbstract ..

2、.................................................................................................................II引言.......................................................................................................

3、....................1第 1 章 綜 述.......................................................................................................21.1 甲醇的性質(zhì)和用途 .......................................................................

4、...................................21.1.1 甲醇的性質(zhì) ...................................................................................................................21.1.2 甲醇的用途 ............................................

5、.......................................................................31.2 甲醇的發(fā)展?fàn)顩r ..............................................................................................................31.2.1 甲醇的生產(chǎn)工藝發(fā)展 .........

6、..........................................................................................31.2.2 甲醇市場(chǎng)狀況 ...............................................................................................................41.2.

7、3 甲醇的發(fā)展方向 ...........................................................................................................5第 2 章 工藝流程...........................................................................................

8、........62.1 甲醇精餾工藝的概況 ......................................................................................................62.1.1 精餾原理 ...................................................................................

9、....................................62.1.2 甲醇精餾的任務(wù) ...........................................................................................................62.1.3 甲醇精餾工藝流程的選擇 ...........................................

10、................................................62.1.4 甲醇精餾設(shè)備的選擇 ...................................................................................................72.1.5 甲醇精餾操作壓強(qiáng)的選擇 .....................................

11、......................................................94.5 精餾塔的塔體工藝尺寸計(jì)算 ........................................................................................284.5.1 塔徑計(jì)算 ...............................................

12、......................................................................284.5.2 塔總體高度計(jì)算 .........................................................................................................294.5.3 塔體壁厚計(jì)算 ..............

13、...............................................................................................314.6 塔板主要工藝尺寸的計(jì)算 ............................................................................................324.6.1 溢流裝置的計(jì)算

14、 .........................................................................................................324.6.2 塔板布置及浮閥數(shù)目與排列 .....................................................................................344.7 塔板

15、流體力學(xué)驗(yàn)算 ........................................................................................................354.7.1 汽相通過浮閥塔的壓降 ..........................................................................................

16、...354.7.2 淹塔 .............................................................................................................................364.7.3 霧沫夾帶 ....................................................................

17、.................................................374.8 塔板負(fù)荷性能圖 ............................................................................................................374.8.1 霧沫夾帶線 ...................................

18、..............................................................................374.8.2 液泛線 .........................................................................................................................384.8.3 液

19、相負(fù)荷上限線 .........................................................................................................384.8.4 漏液線 ................................................................................................

20、.........................394.8.5 液相負(fù)荷下限線 .........................................................................................................394.9 接管計(jì)算 ...............................................................

21、.........................................................404.9.1 進(jìn)料管 .........................................................................................................................404.9.2 回流管 ..................

22、.......................................................................................................414.9.3 塔底出料管 .......................................................................................................

23、..........414.9.4 塔頂蒸汽出料管 .........................................................................................................424.9.5 塔底蒸汽進(jìn)氣管 .........................................................................

24、................................424.9.6 浮閥塔設(shè)計(jì)計(jì)算結(jié)果總表 .........................................................................................42結(jié)論...........................................................................

25、..............................................44致謝.........................................................................................................................45參考文獻(xiàn)...........................................