【正文】 ................... 9 生產(chǎn)情況 .................................................................................................................................................. 10 市場情況 .................................................................................................................................................. 10 選題的意義 ......................................................................................................................................................11 2 生產(chǎn)工藝 ............................................................................................................... 12 設(shè)計任務(wù)及內(nèi)容 ............................................................................................................................................ 12 生產(chǎn)工藝 ......................................................................................................................................................... 12 生產(chǎn)工藝流程確定 ....................................................................................................................................... 12 生產(chǎn)工藝流程 ....................................................................................................................................... 12 工藝流程圖 ........................................................................................................................................... 13 工藝過程說明 ............................................................................................................................................... 13 醋化崗位 ................................................................................................................................................ 13 酸洗離心洗滌 ....................................................................................................................................... 13 水洗離心洗滌 ....................................................................................................................................... 14 干燥崗位 ................................................................................................................................................ 14 回收崗位 ................................................................................................................................................ 14 3 物料衡算 ............................................................................................................... 15 廣西工學(xué)院畢業(yè)設(shè)計 年產(chǎn) 1000 噸阿司匹林的合成的工段設(shè)計 5 溶解罐的物料衡算 ....................................................................................................................................... 15 酰化反應(yīng)的物料衡算 ................................................................................................................................... 15 滲濾槽的物料衡算 ....................................................................................................................................... 17 酸洗離心機的物料衡算 .............................................................................................................................. 18 水洗離心機的物料衡算 .............................................................................................................................. 19 流化床的物料衡算 ....................................................................................................................................... 20 4 能量衡算 ............................................................................................................... 22 反應(yīng)罐能量衡算 .......................................................................................................................................... 22 比熱容的計算 ....................................................................................................................................... 22 能量衡算 .................................................................................................................................................. 23 5 主要工藝設(shè)備計算 .............................................................................................. 25 工藝設(shè)備選型原則 ....................................................................................................................................... 25 工藝設(shè)備計算 ................................................................................................................................................ 25 醋化反應(yīng)釜 .............................................................................................................................................. 25 夾套的計算 ........................................................................................................................................... 26 筒體的材料和壁厚 .............................................................................................................................. 28 水壓試驗及其強度校核 ..................................................................................................................... 29 選擇釜體法蘭 ....................................................................................................................................... 29 選用手孔、視鏡、溫度計、和工藝接管 ...................................................................................... 30 攪拌器的設(shè)計計算 .............................................................................................................................. 30 容器 支座的選用計算 .......................................................................................................................... 31 酸洗離心機 ..................................................................................................................................................... 32 水洗離心機 ..................................................................................................................................................... 32 振動流化床干燥器 .............................................................................