【正文】 ....................................................... 4 設(shè)計(jì)規(guī)模 .......................................................................................................... 4 生產(chǎn)制度 .......................................................................................................... 4 原料與產(chǎn)品規(guī)格 .......................................................................................................... 5 原料規(guī)格 .......................................................................................................... 5 產(chǎn)品規(guī)格 .......................................................................................................... 5 第 2 章 工藝設(shè)計(jì)與計(jì)算 ..................................................................................................... 6 工藝原理 ..................................................................................................................... 6 ................................................................................................... 6 .......................................................................................................... 6 工藝路線選擇 ............................................................................................................. 6 物理吸收法 ...................................................................................................... 6 ....................................................................................................... 7 工藝流程簡(jiǎn)述 ............................................................................................................. 8 ..................................................................................................................... 8 物料衡算 .................................................................................................................... 9 .................................................................................................................... 9 .................................................................................................................... 9 ................................................................................................................... 10 熱量衡算 ................................................................................................................... 10 ................................................................................................................... 10 2 解析塔 ................................................................................................................... 11 3 干燥塔 ................................................................................................................... 11 Aspen Plus全流程模擬 ............................................................................................. 12 ...................................................................................................... 12 加熱器模擬 ..................................................................................................... 13 解析塔模擬 ..................................................................................................... 14 全流程模擬 ..................................................................................................... 15 第 3 章 自動(dòng)控制 ............................................................................................................... 17 主要控制原理 ............................................................................................................ 17 PLC的基本工作原理 ........................................................................................ 17 DCS（集散控制系統(tǒng)）的基本工作原理 ............................................................. 17 .................................................................................................................... 17 流量控制 .........................................................................................................