【正文】 ....................................................................................................... 4 設(shè)計(jì) 依據(jù) ................................................................................................................ 4 設(shè)計(jì)原則 ................................................................................................................ 5 設(shè)計(jì)范圍 ...................................................................................................................... 5 設(shè)計(jì)選用設(shè)備的先進(jìn)程度及特點(diǎn) .............................................................................. 5 液化方法 ................................................................................................................ 6 離子交換 ................................................................................................................ 6 四效蒸發(fā) ................................................................................................................ 6 第 2 章 工廠(chǎng)建設(shè)技術(shù)基礎(chǔ) .................................................................................................... 7 原料、燃料的來(lái)源及產(chǎn)品供銷(xiāo) .................................................................................. 7 原材料、輔料及產(chǎn)品規(guī)格 .......................................................................................... 7 廠(chǎng)區(qū)概述 ...................................................................................................................... 7 供應(yīng)方案以及自動(dòng)化程度的說(shuō)明 .............................................................................. 8 供熱方案 ................................................................................................................ 8 供電方案 ................................................................................................................ 8 水處理系統(tǒng) ............................................................................................................ 9 控制程度 ................................................................................................................ 9 ―三廢 ‖處理及綜合利用方案 ....................................................................................... 9 廢氣的處理 ............................................................................................................ 9 廢水的處理 ............................................................................................................ 9 廢渣的處理 .......................................................................................................... 10 第 3 章 工藝設(shè)計(jì)及論證 ...................................................................................................... 11 酶法生產(chǎn)工藝的合理性 ............................................................................................ 11 酸法 ...................................................................................................................... 11 酶法 ...................................................................................................................... 11 齊齊哈爾大學(xué)畢業(yè)設(shè)計(jì)（論文） IV 工藝設(shè)計(jì)基礎(chǔ) ............................................................................................................ 11 工藝流程及控制參數(shù) .......................................................................................... 11 產(chǎn)品、副產(chǎn)品產(chǎn)量、去向 .................................................................................. 12 工藝論證 .............................................................................................................. 13 重點(diǎn)工段設(shè)計(jì)論證 .................................................................................................... 14 蒸發(fā)工藝論證 ...................................................................................................... 15 多效蒸發(fā)工藝原理 .............................................................................................. 15 真空濃縮系統(tǒng) ...................................................................................................... 15 蒸發(fā)流程的確定 .................................................................................................. 15 長(zhǎng)管液膜蒸發(fā)器的選擇 ...................................................................................... 16 本設(shè)計(jì)的突出特點(diǎn) .................................................................................................... 17 第 4 章 工藝計(jì)算 .................................................................................................................. 18 物 料衡算 ....................................................................................................................... 18 調(diào)漿工段 .............................................................................................................. 18 液化工段 .............................................................................................................. 19 過(guò)濾 ...................................................................................................................... 20 精制 ...................................................................................................................... 20 離子交換 .............................................................................................................. 21 蒸發(fā)濃縮 .............................................................................................................. 22 噴霧干燥 .............................................................................................................. 22 熱量衡算 .................................................................................................................... 22 蒸發(fā)工段 .............................................................................................................. 22 噴干工段 .............................................................................................................. 27 各工段耗氣耗熱計(jì)算 .......................................................................................... 28 水平衡計(jì)算 .............