【正文】 序號(hào)： 09449101常 州 大 學(xué) 畢 業(yè) 設(shè) 計(jì)（ ）工藝計(jì)算說(shuō)明書(shū) 學(xué) 院 石油化工學(xué)院 題 目 30kt/a N甲基甲酰胺分離工藝設(shè)計(jì) 常州大學(xué)本科畢業(yè)設(shè)計(jì) 第 1 頁(yè) 共 44 頁(yè)目錄第一章 物料衡算 ..........................................................................................................3 原料的物料衡算 ......................................................................................................3 脫甲醇塔的物 料衡算 ..............................................................................................4 精餾塔的物料衡算 ..................................................................................................5第二章 脫甲醇塔的工藝計(jì)算 ......................................................................................5 脫甲醇塔溫度的計(jì)算 ..............................................................................................5 塔頂溫度計(jì)算 ...................................................................................................5 塔底溫度計(jì)算 ...................................................................................................8 回流比的計(jì)算 ..........................................................................................................9 理論板的計(jì)算 ........................................................................................................11 加料板位置的確定 ................................................................................................11 塔徑的計(jì)算 ............................................................................................................12 進(jìn)料溫度的計(jì)算 .............................................................................................12 計(jì)算塔頂?shù)奈镔|(zhì)物性 .....................................................................................12 計(jì)算塔釜的物質(zhì)物性 .....................................................................................13 全塔的物質(zhì)物性 .............................................................................................14 空塔氣速計(jì)算 .................................................................................................14 氣體體積流量的計(jì)算 .....................................................................................15 塔徑的計(jì)算與圓整 .........................................................................................15 液體噴淋密度的驗(yàn)算 ............................................................................................15 填料層高度的計(jì)算 ................................................................................................15 塔高的計(jì)算 ............................................................................................................16第三章 能量衡算 ........................................................................................................16 進(jìn)料加熱器的熱負(fù)荷 ............................................................................................16 塔頂全凝器的熱負(fù)荷 ............................................................................................17 塔釜再沸器的熱負(fù)荷 ............................................................................................17第四章 換熱器的選型 ................................................................................................18 預(yù)熱器 E1201.......................................................................................................18 冷凝器的選型 E1202 與校核 ..............................................................................18 冷凝器的選型 .................................................................................................18 冷凝器的校核 .................................................................................................19常州大學(xué)本科畢業(yè)設(shè)計(jì) 第 2 頁(yè) 共 44 頁(yè) 再沸器的選型 E1203...........................................................................................20 脫甲醇塔塔頂出料冷凝器 E1204.......................................................................21第五章 精餾塔工藝計(jì)算 ............................................................................................22 ................................................................................................22 塔頂溫度計(jì)算 .................................................................................................22 塔底溫度計(jì)算 .................................................................................................23 回流比的計(jì)算 ........................................................................................................24 理論板的計(jì)算 ........................................................................................................25 加料板位置的確定 ................................................................................................26 塔徑的計(jì)算 ............................................................................................................26 進(jìn)料溫度的計(jì)算 .............................................................................................26 計(jì)算塔頂?shù)奈镔|(zhì)物性 .....................................................................................26 計(jì)算塔釜的物質(zhì)物性 .....................................................................................27 全塔的物質(zhì)物性 .............................................................................................28 空塔氣速計(jì)算 .................................................................................................29 氣體體積流量的計(jì)算 .....................................................................................29 塔徑的計(jì)算與圓整 .........................................................................................29 液體噴淋密度的驗(yàn)算 ............................................................................................29 填料層高度的計(jì)算 ................................................................................................29 塔高的計(jì)算 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