【正文】 ........... 11 產(chǎn)品品種、規(guī)格、質(zhì)量指標(biāo)及擬建規(guī)模 ............................................................................ 11 產(chǎn)品規(guī)格、質(zhì)量指標(biāo) ........................................................................................................ 11 產(chǎn)品方案分析及生產(chǎn)規(guī)模分析 .......................................................................................... 12 3 工藝流程介紹 ............................................................................................................................ 12 生產(chǎn)方法簡(jiǎn)述 .................................................................................................................... 12 工藝流程說明 .................................................................................................................... 14 生產(chǎn)工藝特點(diǎn) .................................................................................................................... 16 主要工藝指標(biāo) .................................................................................................................... 16 二甲醚產(chǎn)品指標(biāo) ...................................................................................................... 16 催化劑的使用 ......................................................................................................... 17 4 主要塔設(shè)備計(jì)算及選型 ............................................................................................................... 17 汽化塔及其附屬設(shè)備的計(jì)算選型 ....................................................................................... 17 物料衡算 ................................................................................................................ 17 熱量衡算 ................................................................................................................ 19 理論板數(shù)、塔徑、填料選擇及填料層高度的計(jì)算 ..................................................... 21 汽化塔附屬設(shè)備的選型計(jì)算 .................................................................................... 25 合成塔及其附屬設(shè)備的計(jì)算選型 ....................................................................................... 26 物料衡算 ................................................................................................................ 26 合成塔的選取 選取： ............................................................................................... 26 熱量 衡算及附屬設(shè)備的選型計(jì)算 ............................................................................. 26 初餾塔及其附屬設(shè)備的計(jì)算選型 ....................................................................................... 29 物料衡算 ................................................................................................................ 30 熱量衡算 ................................................................................................................ 31 理論塔板數(shù)的計(jì)算 .................................................................................................. 32 初餾塔主要尺寸的設(shè)計(jì)計(jì)算 .................................................................................... 33 2 塔徑設(shè)計(jì)計(jì)算 .......................................................................................................... 34 填料層高度的計(jì)算 .................................................................................................. 35 附屬設(shè)備的選型計(jì)算 ............................................................................................... 36 精餾塔及其附屬設(shè)備的計(jì)算選型 ....................................................................................... 37 物料衡算 ................................................................................................................ 37 熱量衡算 ................................................................................................................ 38 理論塔板數(shù)的計(jì)算 .................................................................................................. 40 初餾塔主要尺寸的設(shè)計(jì)計(jì)算 .................................................................................... 40 塔徑設(shè)計(jì)計(jì)算 .......................................................................................................... 42 填料層高度的計(jì)算 .................................................................................................. 43 附屬設(shè)備的選型計(jì)算 ............................................................................................... 43 回收塔及其附屬設(shè)備的計(jì)算選型 ....................................................................................... 44 物料衡算 ................................................................................................................ 44 熱量衡算 ................................................................................................................ 45 理論塔板數(shù)的計(jì)算 .................................................................................................. 47 回收塔主要尺寸的設(shè)計(jì)計(jì)算 .................................................................................... 47 塔徑設(shè)計(jì)計(jì)算 .......................................................................................................... 49 填料層高度的計(jì)算 .................................................................................................. 50 附屬設(shè)備的選型計(jì)算 ............................................................................................... 50 5 環(huán)境保護(hù) 及三廢處理 .................................................................................................................. 51 主要污染源及主要污染物 .................................................................................................. 51 設(shè)計(jì)中采取的環(huán)保措施及其簡(jiǎn)要處理工藝流程 ................................................................... 51 裝置危險(xiǎn)性物料 主要物性 .................................................................................................. 53 6 財(cái)務(wù)初步分析 ............................................................................................................................ 53 概述 ................................................................................................................................. 53 經(jīng)濟(jì)初步估算 .....................................................................