【正文】 城鎮(zhèn)燃氣負(fù)荷的計算及供需平衡 ........................................................................ 16 居民生活的年用氣量 ................................................................................ 14 商業(yè)用戶 年用氣量 .................................................................................... 17 工業(yè)企業(yè)用戶 的年用氣量 ......................................................................... 17 采暖供熱 年用氣量 .................................................................................... 19 其他用氣量 .............................................................................................. 19 各類用戶用氣量匯總 ................................................................................ 19 確定小時計算流量 .................................................................................... 19 調(diào)峰儲氣容積的計算 .......................................................................................... 22 第五章天然氣輸配系統(tǒng) 設(shè)計 ............................................................................................ 23 管網(wǎng)敷設(shè)參數(shù) .................................................................................................... 36 門站概述 .................................................................................................. 23 站址選擇 .................................................................................................. 23 設(shè)計原則 .................................................................................................. 23 管道儲氣參數(shù) ........................................................................................... 24 方案設(shè)計 .................................................................................................. 24 方案一 ............................................................................................ 25 方案二 ............................................................................................ 26 各管道的儲氣量計算 ................................................................................ 27 方案一 ............................................................................................ 27 方案二 ............................................................................................ 29 儲氣方案優(yōu)劣比較 .................................................................................... 31 管網(wǎng)輸配設(shè)計的確定方案 ................................................................................... 37 次高壓管網(wǎng)布線 ....................................................................................... 37 中壓管網(wǎng)布線 ........................................................................................... 32 管道選材 .................................................................................................. 32 管道敷設(shè)方式 ........................................................................................... 38 節(jié)點流量計算 .................................................................................................... 37 第六章門站設(shè)計 ............................................................................................................. 35 門站概述 ........................................................................................................... 35 站址選擇 ........................................................................................................... 35 設(shè)計原則 ........................................................................................................... 35 裝置選型 ........................................................................................................... 35 閥門 ......................................................................................................... 35 除塵器 ..................................................................................................... 36 調(diào)壓器 ..................................................................................................... 36 計量裝置 .................................................................................................. 36 加臭裝置 .................................................................................................. 36 安全閥 ..................................................................................................... 37 匯管器 ..................................................................................................... 37 其他 ......................................................................................................... 37 工藝流程設(shè)計 .................................................................................................... 37 門站平面設(shè)計 .................................................................................................... 38 其他相關(guān)輔助設(shè)備 ............................................................................................. 48 給水 ......................................................................................................... 48 排水 ......................................................................................................... 48 暖通設(shè)計 .................................................................................................. 48 電氣設(shè)計 .................................................................................................. 48 設(shè)計分界點 ..................................................................................... 39 設(shè)計依據(jù)及規(guī)范 .............................................................................. 39 設(shè)計依據(jù) .............................................................................. 39 設(shè)計規(guī)范 .............................................................................. 39 負(fù)荷等級及供電要求 ............................................................. 40 電力設(shè)備主要技術(shù)參數(shù) ................................................................... 40 380V/220V 用電設(shè)備 ............................................................ 40 年有功電能消耗量 ..................................................