【正文】 東北電力大學(xué)學(xué)士學(xué)位畢業(yè)論文I年產(chǎn) 25 萬(wàn)噸酒精工廠的設(shè)計(jì)畢業(yè)論文目 錄第 1 章 緒 論 ...............................................................................2 中國(guó)酒精工業(yè)的發(fā)展歷史 ............................................................................2 酒精生產(chǎn)的主要問(wèn)題 ....................................................................................2 解決酒精生產(chǎn)問(wèn)題的對(duì)策 ............................................................................2 國(guó)內(nèi)外酒精生產(chǎn)技術(shù)水平比較分析 ............................................................3第 2 章 設(shè)計(jì)概論 ...............................................................................4 畢業(yè)設(shè)計(jì)的目的 ............................................................................................4 畢業(yè)設(shè)計(jì)的題目 ............................................................................................4 畢業(yè)設(shè)計(jì)的任務(wù) ............................................................................................4 設(shè)計(jì)的指導(dǎo)思想 ............................................................................................5 設(shè)計(jì)的依據(jù) ....................................................................................................5 生產(chǎn)方案的確定和產(chǎn)品方案 ........................................................................5 廠址選擇 ........................................................................................................5 原料來(lái)源、規(guī)格及標(biāo)準(zhǔn) ................................................................................8 主要輔料的質(zhì)量標(biāo)準(zhǔn) ....................................................................................9 水的質(zhì)量標(biāo)準(zhǔn)（外觀 理化指標(biāo)及要求） ..............................................10 成品品種及質(zhì)量標(biāo)準(zhǔn) ................................................................................12 主要工藝技術(shù)參數(shù) ....................................................................................12 生產(chǎn)工作制度 ............................................................................................13 環(huán)保措施 ....................................................................................................13 CO2 回收利用 ...................................................................................13 雜醇油回收 ......................................................................................14 液體、固體 CO2 (干冰) 的制備和貯運(yùn) .........................................14 酵母回收 ..........................................................................................14 酒精糟回收 ......................................................................................15第 3 章 酒精生產(chǎn)工藝流程的設(shè)計(jì)及說(shuō)明 ................................................16 酒精的性質(zhì)、用途及生產(chǎn)方法概述 ..........................................................16 性質(zhì) ....................................................................................................16 用途 ....................................................................................................16 玉米原料生產(chǎn)酒精流程 ....................................................................16 酒精生產(chǎn)工藝流程的確定 ..........................................................................16 工藝條件及說(shuō)明 ..........................................................................................17目錄I 玉米粉供應(yīng)工序 ................................................................................17 液化糖化工序 .....................................................................................17 發(fā)酵工序 .............................................................................................18 酒精蒸餾 .............................................................................................19第 4 章 酒精生產(chǎn)過(guò)程中的物料和熱量衡算 .............................................24 物料及熱量衡算 ..........................................................................................24 成熟醪量的計(jì)算 ................................................................................24 發(fā)酵工段物料衡算 ............................................................................24 液糖化工段物料衡算 ........................................................................31 蒸餾工段物料衡算 .............................................................................34 水、電、汽消耗的計(jì)算 ..............................................................................42 耗水量的計(jì)算 ....................................................................................42 蒸汽消耗量的計(jì)算 ............................................................................43 供電設(shè)施的計(jì)算 ................................................................................43第 5 章 設(shè)備選型的計(jì)算 .....................................................................45 液糖化工段 ..................................................................................................45 糖化罐 .................................................................................................45 閃蒸罐 .................................................................................................49 液化罐 .................................................................................................50 維持罐 .................................................................................................50 發(fā)酵工段 ......................................................................................................51 酒母罐 ................................................................................................51 發(fā)酵罐 ................................................................................................51 蒸餾工段 ......................................................................................................44 精餾塔 ................................................................................................53第 6 章 重點(diǎn)設(shè)備—— 粗餾塔 ...............................................................64 粗餾塔概況 ..................................................................................................64 粗餾塔板類型及結(jié)構(gòu) ..................................................................................64 泡罩塔板 .............................................................................................64（SD）型塔板 ........................