【正文】 目 錄 前 言 ......................................................................................................................................................................... IV 1 概述 ............................................................................................................................................................................1 工程概況、編制依據(jù)及編制原則 .......................................................................................................1 項目建設(shè)的可行性及必要性 .................................................................................................................4 編制范圍 .........................................................................................................................................................4 城市概況 .........................................................................................................................................................5 燃氣供應(yīng)現(xiàn)狀 ...............................................................................................................................................5 能源消耗狀況、大氣污染狀況 ............................................................................................................5 2 燃氣氣源 ..................................................................................................................................................................6 氣源分析 .........................................................................................................................................................6 氣源的確定 ....................................................................................................................................................6 3 供氣規(guī)模及氣化范圍 .........................................................................................................................................7 燃氣市場需求調(diào)查與分析 ......................................................................................................................7 供氣原則及氣化范圍 ................................................................................................................................8 各類用戶耗熱定額的確定 ......................................................................................................................8 不均勻系數(shù)的確定 .....................................................................................................................................9 各類用戶耗氣量的計算 .........................................................................................................................11 供需平衡 ...................................................................................................................................................... 14 4 輸氣站場 ............................................................................................................................................................... 16 總圖運 輸 ...................................................................................................................................................... 16 氣源工藝 ...................................................................................................................................................... 16 公用設(shè)施 ...................................................................................................................................................... 18 5 燃氣輸配工程 ..................................................................................................................................................... 20 某某 市 某某 區(qū)天然氣輸配系統(tǒng) ......................................................................................................... 20 管網(wǎng)布置及水力工況分析 ................................................................................................................... 22 6 數(shù)據(jù)采集和監(jiān)控系統(tǒng) ...................................................................................................................................... 27 概述 ................................................................................................................................................................ 27 SCADA 系統(tǒng)的組成和功能 ................................................................................................................ 27 7 環(huán)境保護篇 .......................................................................................................................................................... 30 編制依據(jù) ...................................................................................................................................................... 30 自然環(huán)境和工程狀況 ............................................................................................................................. 30 主要污染物和污染源及控制措施 .................................................................................................... 31 管道建設(shè)對環(huán)境的影 響 ........................................................................................................................ 32 風(fēng)險事故影響 ............................................................................................................................................ 32 8 節(jié)能篇 .................................................................................................................................................................... 33 概述 ................................................................................................................................................................ 33 城市節(jié)能分析 ............................................................................................................................................ 33 場站及輸配管網(wǎng)節(jié)能措施 ................................................................................................................... 33 9 消防專篇 ...............................................................................................................................................................