【正文】 ............................................ 9 天然氣特性和用途 ........................................................................................... 9 中國天然氣的發(fā)展 ......................................................................................... 10 中國天然氣存在的主要問題和解決辦法 ........................................................ 12 3 產(chǎn)品方案及生產(chǎn)規(guī)模 .................................................................................................. 13 生產(chǎn)規(guī)模 .......................................................................................................... 13 產(chǎn)品方案 .......................................................................................................... 14 4 工藝技術(shù)選擇及技術(shù)來源 ........................................................................................... 14 工藝技術(shù)選擇 ................................................................................................... 14 煤氣化工藝技術(shù)選擇 ..................................................................................... 15 粗煤氣變換 .................................................................................................... 18 煤氣凈化工藝技術(shù)選擇 ................................................................................. 18 制冷工藝的選擇 ............................................................................................ 20 甲烷化技術(shù)選擇 ............................................................................................ 21 硫回收技術(shù)的選擇 ......................................................................................... 21 空分工藝技術(shù)方案的選擇 .............................................................................. 25 干燥工藝技術(shù)選擇 ........................................................................................ 27 冷分離法 .................................................................................................... 27 固體吸附法 ................................................................................................. 27 溶劑吸收法 ................................................................................................. 28 主要裝置來源 ................................................................................................... 30 碎煤固定床干法排灰加壓氣化技術(shù)、耐硫耐油變換技術(shù)、低溫甲醇洗凈化技術(shù)、異丙醚脫酚技術(shù) ............................................................................................. 30 甲烷合成技術(shù)來源 ......................................................................................... 32 硫回收技術(shù)來源 ............................................................................................ 32 工藝裝置綜述 ................................................................................................ 32 裝置簡述 .......................................................................................................... 33 備煤 ............................................................................................................... 33 設計任務及設計范圍 .................................................................................. 33 概述 ............................................................................................................ 33 碎煤加壓氣化 ................................................................................................ 34 流程簡述 略 ............................................................................................... 34 主要設備選型及臺數(shù)確定 ........................................................................... 34 原材料、動力規(guī)格及消耗量 ....................................................................... 34 三廢排放 .................................................................................................... 35 變換工序 ....................................................................................................... 35 低溫甲醇洗 .................................................................................................... 36 甲烷化 ........................................................................................................... 37 干燥工藝 ....................................................................................................... 38 煤氣水分離 .................................................................................................... 38 酚回收 ........................................................................................................... 38 氨回收 ......................................................................................................... 38 廢水處理、回用、焚燒 ............................................................................... 38 硫回收 ......................................................................................................... 38 全廠火炬 ..................................................................................................... 38 氣化排渣 ..................................................................................................... 38 5 原材料及動力供應 ..................................................................................................... 38 原料供應 .......................................................................................................... 38 主要原材料的品種、質(zhì)量、年需要量 ........................................................... 38 原料煤、燃料煤、燃氣的來源及運輸方式 .................................................... 39 主要原材料、燃料價格 .................................................................................... 40 主要輔助材料供應 ........................................................................................... 40 動力供應 .......................................................................................................... 40 動力消耗量 .................................................................................................... 40 動力來源 ....................................................................................................... 40 供水 ...........................................................................................