【正文】 ........................................................47 污泥出路選擇 ...................................................................................................48 生化出水消毒方式的選擇 ......................................................................................497 改造方案的工程設(shè)計 ..................................................................................................51 工程內(nèi)容 ..................................................................................................................51 污水處理廠改造工藝設(shè)計 ....................................................................................52 改建部分工藝流程框圖（見下圖） ................................................................52 各工段去除率估算 .........................................................................................53 改建主要工程內(nèi)容 ...........................................................................................53 電氣自控儀表系統(tǒng)設(shè)計 ..........................................................................................61 廠區(qū)總圖設(shè)計 ........................................................................................................61 廠區(qū)平面布置 .................................................................................................61 豎向設(shè)計 .........................................................................................................61 建筑設(shè)計 .........................................................................................................61 結(jié)構(gòu)設(shè)計 .........................................................................................................61 給排水及采暖設(shè)計 .........................................................................................62 消防 .................................................................................................................62 通訊及運輸 ..............................................................................................................62污水處理廠改擴(kuò)建及配套管網(wǎng)工程可行性研究報告 6 通訊系統(tǒng) .........................................................................................................62 車輛配備 .........................................................................................................62 主要建構(gòu)筑物及工藝設(shè)備材料 ..............................................................................62 建構(gòu)筑物 ............................................................................................................62 主要工藝設(shè)備、材料 .......................................................................................638 污水處理擴(kuò)建工程方案 .................................................................................................64 污水處理工藝選擇 ................................................................................................65 工藝比選的原則 .............................................................................................65 備選工藝 .........................................................................................................65 方案一：三溝式氧化溝 ...................................................................................66 方案二：內(nèi)循環(huán)生物流化床工藝 ....................................................................68 方案三：ICEAS 工藝 ......................................................................................71 工藝方案比較與推薦方案的確定 .................................................................728. 2 深度處理、污泥處置及消毒方案的選擇 .............................................................749 擴(kuò)建方案的工程設(shè)計 ..................................................................................................75 工程內(nèi)容及規(guī)模 ......................................................................................................75 污水處理廠工藝設(shè)計 ............................................................................................76 擴(kuò)建部分工藝流程框圖（見下圖） ...............................................................76 各工段去除率估算 .......................................................................................77 主要工程內(nèi)容 ...................................................................................................77 電氣設(shè)計 ..................................................................................................................89 設(shè)計規(guī)范及范圍 ...............................................................................................90 供電系統(tǒng) .........................................................................................................90 設(shè)備選型 ...........................................................................................................92 防雷與接地 .......................................................................................................92 電纜敷設(shè) ...........................................................................................................92 設(shè)計分界 ...........................................................................................................92污水處理廠改擴(kuò)建及配套管網(wǎng)工程可行性研究報告 7 儀表及自動化系統(tǒng) ..................................................................................................92 設(shè)計規(guī)范 ...........................................................................................................92 設(shè)計范圍 ...........................................................................................................93 系統(tǒng)控制 ...........................................................................................................93 現(xiàn)場檢測儀表選型 ...........................................................................................94 系統(tǒng)供電和電纜敷設(shè) .......................................................................................94 廠區(qū)總圖設(shè)計 ........................................................................................................95 廠區(qū)平面布置 .................................................................................................95 豎向設(shè)計 .........................................................................................................95 建筑設(shè)計 .........................................................................