【正文】 .................................... 47 4 空分工藝技術(shù) ............................................................................... 54 變換工藝技術(shù) ............................................................................... 59 酸性氣體脫除工藝技術(shù) ................................................................ 61 硫回收工藝技術(shù) ........................................................................... 67 冷凍工藝技術(shù) ............................................................................... 69 氫氣回收工藝技術(shù) ........................................................................ 70 甲醇壓縮合成工藝技術(shù) ................................................................ 70 甲醇精餾工藝技術(shù) ........................................................................ 79 二甲醚合成工藝技術(shù) .................................................................. 80 工藝技術(shù)的確定 ................................................................................. 84 引進(jìn)技術(shù)范圍 ..................................................................................... 85 工藝流程及消耗定額 ......................................................................... 85 工藝流程簡述 ............................................................................... 85 消耗定額 ....................................................................................... 88 主要設(shè)備方案 ..................................................................................... 89 設(shè)備選擇 ....................................................................................... 89 主要設(shè)備選型及來源 .................................................................... 90 5 原料、輔助材料供應(yīng) ................................................................................ 99 原料供應(yīng) ............................................................................................. 99 輔助材料供應(yīng) ................................................................................... 100 6 自動(dòng)控制 .................................................................................................. 101 自動(dòng)控制水平和主要控制方案 ........................................................ 101 儀表選型 ........................................................................................... 102 主要關(guān)鍵儀表的確定及要求 ............................................................ 104 7 建廠條件和廠址方案 .............................................................................. 106 建廠條件 ........................................................................................... 106 5 地理位置、地形、地貌概況 ...................................................... 106 工程地質(zhì)、地震烈度 .................................................................. 106 當(dāng)?shù)貧庀髼l件 ............................................................................. 106 當(dāng)?shù)厣鐣?huì)經(jīng)濟(jì)條件 ...................................................................... 107 交通運(yùn)輸條件 ............................................................................. 107 公用工程條件 ............................................................................. 107 廠址方案 ........................................................................................... 108 8 公用工程及輔助設(shè)施 .............................................................................. 109 總圖運(yùn)輸 ........................................................................................... 109 總平面布置 ................................................................................. 109 工廠運(yùn)輸 ..................................................................................... 109 給水排水 ........................................................................................... 110 水源 ............................................................................................. 110 水源建設(shè) ..................................................................................... 112 擬建項(xiàng)目用水量 ......................................................................... 113 給水方案 ..................................................................................... 114 排水 ............................................................................................. 119 供電 .................................................................................................. 123 供電電源 ..................................................................................... 123 用電負(fù)荷 ..................................................................................... 123 供電方案 ..................................................................................... 124 電訊 .................................................................................................. 125 供熱 .................................................................................................. 125 新增熱負(fù)荷 ................................................................................. 125 蒸汽平衡 ..................................................................................... 125 供熱方案 ..................................................................................... 127 空壓制氮 ........................................................................................... 134 6 維修 .................................................................................................. 134 貯運(yùn) .................................................................................................. 134 各種物料貯存天數(shù)、貯存量的確定 .......................................... 134 物料貯存方案的確定 .................................................................. 134 土建工程方案 ................................................................................... 134 設(shè)計(jì)原則 ..................................................................................... 134 結(jié)構(gòu)處理 ..................................................................................... 135 主要建筑物、構(gòu)筑物一覽表 ...................................................... 135 生活福利設(shè)施 ..............................................................