【正文】 氣化率 ............................................ ..........................39 各類用戶耗熱定額 .......................................................................39 居民用戶耗熱指標(biāo)的確定 ........................................................39 主要商服業(yè)用戶耗熱指標(biāo)的確定 ............................................40 工業(yè)用戶耗熱指標(biāo)的確定 ........................................................41 汽車用戶耗熱指標(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 儲氣調(diào)峰 .......................................................................................46 4 天然氣儲配站 .................................................................................46 站址選擇原則 ...............................................................................46 站址選擇 .......................................................................................46 總平面布置 ...................................................................................46 豎向設(shè)計(jì) .......................................................................................47 豎向布置原則 ............................................................................47 6 豎向布置形式 ............................................................................48 建構(gòu)筑物主要指標(biāo) .......................................................................48 交通運(yùn)輸 .......................................................................................49 儲配站規(guī)模及儲罐選型 ...............................................................50 儲配站規(guī)模確定 ........................................................................50 儲罐選型 ....................................................................................50 門站工藝設(shè)計(jì) ...............................................................................51 工藝流程簡述 ....................... ....................................................52 主要設(shè)計(jì)參數(shù) ............................................................................52 設(shè)備選型 ....................................................................................52 LNG 氣化站工藝設(shè)計(jì) ..................................................................55 卸車工藝 ....................................................................................55 增壓工藝 ....................................................................................56 工藝 ....................................................................................57 氣化加溫工藝 ............................................................................57 調(diào)壓計(jì)量加臭工藝 ....................................................................58 氮?dú)庀到y(tǒng) ....................................................................................58 主要設(shè)備 ....................................................................................58 混氣站工藝設(shè)計(jì) ..................................................................59 混氣工藝的確定 ......................................................................59 7 工藝流程 ..................................................................................60 設(shè)計(jì)參數(shù) ..................................................................................61 主要工藝設(shè)備選型 ..................................................................62 工藝監(jiān)控和運(yùn)行安全保護(hù) ......................................................65 管材選擇及防腐 ......................................................................67 CNG 加氣標(biāo)準(zhǔn)站 ..................................... ..................................67 加氣標(biāo)準(zhǔn)站站址選擇 ......................................................67 加氣標(biāo)準(zhǔn)站工藝設(shè)計(jì) ......................................................68 CNG 加氣標(biāo)準(zhǔn)站的設(shè)計(jì)參數(shù) .................................................68 ...................................................69 公用工程設(shè)計(jì) .............................................................................69 建筑、結(jié)構(gòu)設(shè)計(jì) .................... ...................................................69 通訊設(shè)計(jì) ..................................................................................72 消防給排水設(shè)計(jì) .............. .......................................................72 電氣設(shè)計(jì) .................................................................................73 自控儀表設(shè)計(jì) ..........................................................................76 5 自動控制及通訊（ SCADA 系統(tǒng)） ..................................................77 項(xiàng)目概述 .......................................................................................77 概述 ............................................................................................77 設(shè)計(jì)采用的標(biāo)準(zhǔn)及規(guī)范 ............................................................78 8 站控系統(tǒng) ....................................................................................78 硬件配置 ....................................................................................79 軟件配置 ....................................................................................80 場站的通訊系統(tǒng) ........................................................................81 UPS 電源后備 ............................................................................82 站內(nèi)可燃?xì)怏w泄漏報警（預(yù)警） ................................................82 區(qū)域監(jiān)控子站系統(tǒng)設(shè)計(jì) ...............................................................82 現(xiàn)場檢測儀表、變送器及執(zhí)行機(jī)構(gòu) ............................................82 壓力變送器 ................................................................................83 溫度傳感器 ................................................................................83 燃?xì)庑孤﹫缶?........................................................................83 6 城市輸配系統(tǒng) .................................................................................84 中壓輸配系統(tǒng)壓力級制確定 .......................................................84