【正文】 ...................................... 2 國(guó)內(nèi)市場(chǎng)預(yù)測(cè) .......................................................................................................... 4 國(guó)外二甲醚市場(chǎng)簡(jiǎn)況 .......................................................................................................... 5 現(xiàn)狀 ......................................................................................................................... 5 國(guó)外市場(chǎng)預(yù)測(cè) .......................................................................................................... 6 原料說明 ........................................................................................................................... 7 二甲醚的主要技術(shù)指標(biāo) ...................................................................................................... 8 技術(shù)要求 .................................................................................................................. 8 試驗(yàn)方法 .................................................................................................................. 9 2 DME 產(chǎn)品方案及生產(chǎn)規(guī)模 ..........................................................................................................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?。? .............................................................................................. 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 石河子大學(xué) 畢業(yè)設(shè)計(jì)論文 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 ................