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年產(chǎn)50萬(wàn)噸煤制甲醇生產(chǎn)的工藝設(shè)計(jì)_畢業(yè)設(shè)計(jì)-展示頁(yè)

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【正文】 28 貯罐氣組成 ............................................................... 29 5 熱量衡算 ....................................................................... 31 合成塔熱量衡算相關(guān)計(jì)算式 ................................................. 31 合成塔入塔熱量計(jì)算 ................................................. 31 合成塔的反應(yīng)熱 ..................................................... 32 合成塔出塔熱量計(jì)算 ................................................. 32 合成塔熱量損失 ........................................................... 33 蒸汽吸收的熱量 ........................................................... 33 合成氣換熱器的熱量衡算 ................................................... 34 合成氣入換熱器的熱量 ............................................... 34 合成氣出換熱器的熱量 ............................................... 34 換熱器的熱量衡算 ......................................................... 34 入換熱器的出合成塔氣熱量 ........................................... 34 出換熱器的出合成塔氣熱量 ........................................... 35 水冷器的熱量衡算 ......................................................... 35 入水冷器的熱量 ..................................................... 35 出水冷器的熱量 ..................................................... 35 冷卻水的用量 ....................................................... 36 甲醇分離器的熱量衡算 ..................................................... 36 6 合成工段的設(shè)備選型 ............................................................. 37 催化劑的使用量 ........................................................... 37 合成塔的設(shè)計(jì) ............................................................. 37 換熱面積的確定 ..................................................... 37 換熱管數(shù)的確定 ..................................................... 37 合成塔直徑 ......................................................... 38 合成塔的壁厚設(shè)計(jì) ................................................... 38 殼體設(shè)計(jì)液壓強(qiáng)度校核 ............................................... 38 合成塔封頭設(shè)計(jì) ..................................................... 39 北京理工大學(xué)珠海學(xué)院本科生畢業(yè)設(shè)計(jì) V 折流板和管板的 選擇及設(shè)計(jì) ........................................... 39 支座 ............................................................... 39 合成氣進(jìn)塔換熱器的選型 ................................................... 39 水冷器的選型 ............................................................. 43 汽包的選 型 ............................................................... 44 加熱器的選型 ............................................................. 44 分離器的設(shè)計(jì) ............................................................. 45 合成氣壓縮機(jī)選型 ......................................................... 45 出塔氣離心泵 ............................................................. 45 冷卻水離心泵 ............................................................ 46 粗產(chǎn)品泵 ................................................................ 46 7 甲醇精餾工段的設(shè)計(jì) ............................................................. 47 預(yù)精餾塔的設(shè)計(jì) ........................................................... 47 進(jìn)料組成 ........................................................... 47 加堿量的計(jì)算 ....................................................... 47 清晰分割法取出二甲醚 ............................................... 48 預(yù)精餾塔塔釜溫 度計(jì)算 ............................................... 49 理論板數(shù)的計(jì)算 ..................................................... 49 加壓精餾塔設(shè)計(jì) ........................................................... 50 清晰分割法分離物系 ................................................. 50 塔頂、進(jìn)料、塔釜溫度計(jì)算 ........................................... 51 回流比及理論板數(shù)計(jì)算 ............................................... 52 加壓精餾塔工藝尺寸設(shè)計(jì) ................................................... 53 平均摩爾質(zhì)量、密度、表面張力計(jì)算 .................................... 53 精餾段塔徑設(shè)計(jì) ..................................................... 55 提餾段塔徑設(shè)計(jì) ..................................................... 55 塔板工藝尺寸計(jì)算 ................................................... 56 熱量衡算 ........................................................... 59 常壓精餾塔設(shè)計(jì) ........................................................... 61 清晰分割法分離物系 ................................................. 61 塔頂、進(jìn)料、塔釜溫度計(jì)算 ........................................... 62 回流比及理論板數(shù)計(jì)算 ............................................... 63 常壓精餾塔工藝尺寸設(shè)計(jì) ................................................... 64 平均摩爾質(zhì)量、密度、表面張力計(jì)算 .................................... 64 北京理工大學(xué)珠海學(xué)院本科生畢業(yè)設(shè)計(jì) VI 精餾段塔徑設(shè)計(jì) ..................................................... 65 提餾段塔徑設(shè)計(jì) ..................................................... 66 精餾段塔板工藝尺寸計(jì)算 ............................................. 67 精餾段塔板負(fù)荷性能圖 ............................................... 69 提餾段塔板工藝尺寸計(jì)算 ............................................. 71 提餾段塔板負(fù)荷性能圖 ............................................... 74 熱量衡算 ................................................................. 76 8 安全技術(shù)與環(huán)境保護(hù) ............................................................. 79 有毒物質(zhì)的預(yù)防 ........................................................... 79 甲醇中毒的應(yīng)急處理 ................................................. 79 二甲醚中毒的應(yīng)急處理 ............................................... 79 一氧化碳中毒的應(yīng)急處理 ............................................. 79 硫化氫中毒的應(yīng)急處理 ............................................... 79 甲醇的貯藏 ............................................................... 80 9 總結(jié) ........................................................................... 81 參考文獻(xiàn) ......................................................................... 82 符號(hào)說(shuō)明 ......................................................................... 83 謝辭 ............................................................................. 86 附 錄 ........................................................................... 87 北京理工大學(xué)珠海學(xué)院 2020屆本科生畢業(yè)設(shè)計(jì) 1 1 前言 甲醇,是一種有酒精氣味的易揮發(fā)的無(wú)色液體,有毒,燃燒時(shí)無(wú)煙,有藍(lán)色火焰,能
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