煤化工專(zhuān)業(yè)畢業(yè)論文

1、目 錄摘 要...................................................................................................................1ABSTRACT........................................................................................

2、......................21 文獻(xiàn)綜述............................................................................................................31.1 焦化工業(yè)發(fā)展史.......................................................................

3、.................31.1.1 焦化工業(yè)的地位............................................................................31.1.2 國(guó)外焦化生產(chǎn)現(xiàn)狀........................................................................41.1.3 國(guó)內(nèi)焦化生產(chǎn)現(xiàn)狀及問(wèn)題........

4、....................................................51.1.4 中國(guó)焦化工業(yè)的發(fā)展方向............................................................71.2 煤焦油加工................................................................................

5、.................81.2.1 中國(guó)煤焦油加工企業(yè)的分布與工藝特點(diǎn) ...................................91.2.2 世界煤焦油加工企業(yè)的概況與工藝特點(diǎn) ..................................101.2.3 國(guó)內(nèi)外煤焦油加工工藝的比較 ..................................................101.2.4 焦油的連

6、續(xù)蒸餾..........................................................................121.3 工業(yè)萘生產(chǎn)工藝.......................................................................................141.3.1 工業(yè)萘的生產(chǎn)工藝...........................

7、...........................................151.3.2 雙爐雙塔連續(xù)精餾......................................................................161.3.3 單爐單塔連續(xù)精餾......................................................................171.3

8、.4 單爐雙塔加壓連續(xù)精餾.............................................................171.3.5 提高萘產(chǎn)率和質(zhì)量的措施..........................................................181.4 本設(shè)計(jì)擬采用的方案......................................................

9、.........................181.5 非工藝條件的選擇...................................................................................182 設(shè)計(jì)內(nèi)容..........................................................................................

10、...............202.1 工藝流程的選擇.......................................................................................202.2 初餾塔工藝計(jì)算.......................................................................................212.2

11、.1 初餾塔物料衡算..........................................................................212.2.2 初餾塔的工藝計(jì)算.....................................................................222.2.3 初餾塔工藝負(fù)荷計(jì)算..................................

12、...............................272.2.4 初餾塔尺寸的計(jì)算.....................................................................302.2.5 初餾塔塔板主要工藝尺寸的計(jì)算 .............................................332.2.6 初餾塔塔板流體力學(xué)的驗(yàn)算 ...............

13、......................................352.3 精餾塔工藝計(jì)算......................................................................................452.3.1 精餾塔物料衡算....................................................................

14、......452.3.2 精餾塔的工藝計(jì)算.....................................................................482.3.3 精餾塔工藝負(fù)荷的計(jì)算..............................................................522.3.4 精餾塔尺寸的計(jì)算.................................

15、.....................................55華北理工大學(xué) 畢業(yè)設(shè)計(jì)說(shuō)明書(shū)0摘 要該設(shè)計(jì)采用的是酚、萘、洗三混組分通過(guò)雙爐雙塔分離生產(chǎn)工業(yè)萘的工藝設(shè)計(jì)。設(shè)計(jì)主要是對(duì)塔的設(shè)計(jì)，經(jīng)過(guò)設(shè)計(jì)將塔的實(shí)際板數(shù)和相關(guān)尺寸確定并對(duì)塔進(jìn)行校核。另外對(duì)關(guān)鍵設(shè)備選型的原則和結(jié)構(gòu)參數(shù),及工藝的改進(jìn)措施作了簡(jiǎn)要闡述。本工藝的設(shè)計(jì)計(jì)算過(guò)程為：生產(chǎn)工業(yè)萘的原料餾分為多組分混合物,其理論塔板數(shù)按多組分混合物精餾的計(jì)算法則求得。在雙塔