化工工藝設(shè)計課程設(shè)計

1、化工工藝設(shè)計課程設(shè)計化工工藝設(shè)計課程設(shè)計1目錄目錄第一部分概述..............................................................................................................1第二部分設(shè)計技術(shù)參數(shù)....................................................................

2、..........................2第三部分工藝流程設(shè)計..............................................................................................23.1丙烯腈工藝流程..............................................................................

3、...............23.2丙烯腈工藝流程示意圖.................................................................................3第四部分物料衡算和熱量衡算................................................................................34.1小時生產(chǎn)能力......

4、...........................................................................................34.2反應(yīng)器的物料衡算和熱量衡算.....................................................................34.3空氣飽和塔物料衡算和熱量衡算.........................

5、........................................74.4氨中和塔物料衡算和熱量衡算.....................................................................94.5換熱器物料衡算和熱量衡算........................................................................144.6水

6、吸收塔物料衡算和熱量衡算....................................................................154.7空氣水飽和塔釜液槽...................................................................................194.8丙烯蒸發(fā)器熱量衡算.............................

7、......................................................214.9丙烯過熱器熱量衡算...................................................................................224.10氨蒸發(fā)器熱量衡算.......................................................

8、...............................224.11氨氣過熱器.................................................................................................224.12混合器........................................................................

9、.................................234.13空氣加熱器的熱量衡算.............................................................................24第五部分主要設(shè)備的工藝計算..............................................................................2

10、55.1流化床合成反應(yīng)器........................................................................................255.2空氣飽和塔....................................................................................................275.3水吸收塔.

11、......................................................................................................285.4丙烯蒸發(fā)器...................................................................................................315.5循環(huán)冷卻

12、器...................................................................................................325.6氨蒸發(fā)器.......................................................................................................345.7氨氣過

13、熱器...................................................................................................355.8丙烯過熱器...................................................................................................365.9空氣加熱器

14、....................................................................................................365.10循環(huán)液泵......................................................................................................385.11空氣

15、壓縮機..................................................................................................385.12中和液貯槽..................................................................................................38第六部分附錄..

16、........................................................................................................406.1附表.............................................................................................................

17、...406.2參考文獻(xiàn).....................................................................................................40第七部分課程設(shè)計心得..........................................................................................42化工工

18、藝設(shè)計課程設(shè)計化工工藝設(shè)計課程設(shè)計2ACN298()362.3rHkJmol??A（4）生成CO2和H2O362229332CHOCOHO???CO2298()641rHkJmol??A第二部分設(shè)計技術(shù)參數(shù)1.生產(chǎn)能力：45000噸年2.原料：丙烯85%，丙烷15%（摩爾分率）；液氨100%3.產(chǎn)品：1.8%（wt）丙烯腈水溶液4.生產(chǎn)方法：丙烯氨氧化法5.丙烯腈損失率：3%6.設(shè)計裕量：6%7.年操作日：300天第三部分工藝流程設(shè)計3

19、.1丙烯腈工藝流程液態(tài)丙烯和液態(tài)氨分別經(jīng)丙烯蒸發(fā)器和氨蒸發(fā)器蒸發(fā)，然后分別在丙烯過熱器和氨氣過熱器過熱到需要的溫度后進(jìn)入混合器；經(jīng)壓縮后的空氣先通過空氣飽和塔增濕，再經(jīng)空氣加熱器預(yù)熱至一定溫度進(jìn)入混合器。溫合器出口氣體混合物進(jìn)入反應(yīng)器，在反應(yīng)器內(nèi)進(jìn)行丙烯的氨氧化反應(yīng)。反應(yīng)器出口的高溫氣體先經(jīng)廢熱鍋爐回收熱量，氣體冷卻到230℃左右進(jìn)入氨中和塔，在70～80℃下用硫酸吸收反應(yīng)器出口氣體中未反應(yīng)的氨，中和塔塔底的含硫酸銨的酸液經(jīng)循環(huán)冷卻器除