【正文】 ...............17 政策及法規(guī) ...............................................................................17 能源政策 ....................................................................................17 技術(shù)方案 ....................................................................................18 線路 ....................................................................... ....................18 工藝方案 ..................................................................................18 土地 ..........................................................................................18 項(xiàng)目研究的必要性 .......................................................................18 城市現(xiàn)代化建設(shè)的需要 ...........................................................18 能源結(jié)構(gòu)調(diào)整的需要 ................................................................19 改善城市人民生活質(zhì)量的需要 ................................................20 改善城市人民生活質(zhì)量的需要 ................................................20 3 城市安全供氣的需要 ................................................................21 項(xiàng)目研究的目的和范圍 ..............................................................22 項(xiàng)目研究的目的 ........................................................................22 項(xiàng)目研究的范圍 ........................................................................22 遵循的標(biāo)準(zhǔn)、規(guī)范 .........................................................................23 管道設(shè)計(jì)規(guī)范 ......................................... ..................................23 消防 ............................................................................................23 管材 ............................................................................................23 安全 ............................................................................................24 計(jì)量 ............................................................................................24 燃?xì)庑再|(zhì) ....................................................................................24 腐蝕與防護(hù) ................................................................................25 環(huán)境保護(hù) ....................................................................................25 建筑 ............................................................................................25 燃?xì)庠O(shè)備 ..................................................................................25 ...................................................................................26 城市概況 .......................................................................................26 自然概況 ....................................................................................26 城市發(fā)展規(guī)劃概況 ....................................................................27 燃?xì)夤?yīng)現(xiàn)狀 ............................................................................27 4 工程概況 .......................................................................................27 工程概況 ....................................................................................27 后方配套設(shè)施及搶修維護(hù)機(jī)具 ............. ..................................27 主要工程量 ...................................................................................28 主要 工程 、 經(jīng)濟(jì)技術(shù)指標(biāo) .............................................................28 2 燃?xì)鈿庠?..........................................................................................29 氣源選擇 .......................................................................................30 煤制氣 ........................................................................................30 天然氣 ........................................................................................30 天然氣 ........................................................................................30 液化天然氣（ LNG） ...................................................................31 LNG生產(chǎn)狀況 ............................ ......................................31 作為城市燃?xì)獾奶攸c(diǎn) ........................................................32 液化天然氣（ LNG）的組分 ....................................................33 物性參數(shù) ....................................................................................34 的特點(diǎn) ................................................................................34 液化石油氣（ LPG） ........................................................................34 作為城市燃?xì)獾奶攸c(diǎn) .........................................................34 液化石油氣（ LPG）的組分參數(shù) .............................................37 3 供氣范圍、規(guī)模及氣化率 ................................................................37 5 供氣范圍 .......................................................................................37 供氣對(duì)象 .......................................................................................37 氣化人口及氣化率 .......................................................................38 汽車(chē)用戶(hù)及氣化率 ............................................ ..........................39 各類(lèi)用戶(hù)耗熱定額 .......................................................................39 居民用戶(hù)耗熱指標(biāo)的確定 ........................................................39 主要商服業(yè)用戶(hù)耗熱指標(biāo)的確定 ............................................40 工業(yè)用戶(hù)耗熱指標(biāo)的確定 ........................................................41 汽車(chē)用戶(hù)耗熱指標(biāo)的確定 ................................................41 供氣量計(jì)算及氣量平衡 ...............................................................41 居民與商服業(yè)用戶(hù)高峰系數(shù)的確定 ........................................41 天然氣耗氣量計(jì)算公式 ............................................................43 天然氣耗氣量計(jì)算 ....................................................................45 儲(chǔ)氣調(diào)峰 .......................................................................................46 4 天然氣儲(chǔ)配站 .................................................................................46 站址選擇原則 ...............................................................................46 站址選擇 .......................................................................................46 總平面布置