【正文】 ..........................................................................................50 工藝流程說明 ...................................................................................................................................50 原料預處理工段 .......................................................................................................................50 反應工段 ...................................................................................................................................51 產品精制工段 ...........................................................................................................................51 循環(huán)工段 ...................................................................................................................................52 流程的優(yōu)化 .......................................................................................................................................53 T0201 一級丙烯精餾塔 ............................................................................................................54 T0302 二級 甲醇精餾塔 ............................................................................................................57 T0304 PO 精制塔 ......................................................................................................................59 T0402 高壓甲醇塔 ...................................................................................................................61 第四章 物料衡算和能量衡算 ....................................................................................................................64 年產 250kt環(huán)氧丙烷項目 初步設計說明書 西北大學 飛凡設計組 3 概述 ....................................................................................................................................................64 物料衡算 ............................................................................................................................................65 衡算原理及依據(jù) .......................................................................................................................65 物料衡算 ...................................................................................................................................66 能量衡算 ............................................................................................................................................76 衡算原理及依據(jù) .......................................................................................................................76 熱量衡算 ...................................................................................................................................77 第五章 節(jié)能 .................................................................................................................................................89 概述 ....................................................................................................................................................89 主要物流 分析 ...................................................................................................................................90 換熱網(wǎng)絡集成 ...................................................................................................................................91 工藝換熱網(wǎng)絡的設計 .......................................................................................................................93 第六章 設備設計與選型 ............................................................................................................................95 工藝設備一覽表 ...............................................................................................................................95 反應器選型一覽表 ..................................................................................................................95 動力設備泵選型一覽表 ..........................................................................................................95 儲罐選型一覽表 .......................................................................................................................95 塔器設計計算與選型 .......................................................................................................................95 塔設備的設計目標 ..................................................................................................................95 塔設備類型及選擇 ..................................................................................................................96 與操作條件有關的因素 ...........................................................................................................97 其他因素 ....................................................................................................................................97 典型設備設計 ......................................................................................................................... 100 塔器選型一覽表 .....................................................................................................................118 換熱設備設計計算與選型 ............................................................................................................ 120 計算依據(jù) ................................................................................................................................ 120 選型原則 ................................................................................................................................ 120 年產 250kt環(huán)氧丙烷項目 初步設計說明書 西北大學 飛凡設計組 4 換熱器選型示例 .................................................................................................................... 124 換熱器選型一覽 表 ............................................................................................................... 135 反應器設計選型 .........................................................................................................................