【正文】 .........................................................................8 社會(huì)經(jīng)濟(jì) ..............................................................................................................8 建設(shè) XX 縣 XX 鎮(zhèn)污水處理廠的必要性和可行性 .............................................9 建設(shè) XX 縣 XX 鎮(zhèn)污水處理廠的必要性 ..........................................................9 建設(shè) XX 縣 XX 鎮(zhèn)污水處理廠的可行性 ........................................................11 城市排水規(guī)劃及城市排水設(shè)施現(xiàn)狀 ...................................................................11 城市排水規(guī)劃 ....................................................................................................11 城市排水設(shè)施現(xiàn)狀 ............................................................................................11第 3 章 工程方案論證 ...............................................................................................13 排水體制及管網(wǎng)系統(tǒng)論證 ...................................................................................13 排水體制論證 ....................................................................................................13 截流倍數(shù)的確定 ................................................................................................14 排水管網(wǎng)系統(tǒng)論證 ............................................................................................15 工程規(guī)模論證 .......................................................................................................16 水量預(yù)測(cè) ............................................................................................................16 工程規(guī)模確定 ....................................................................................................18 水質(zhì)論證 ...............................................................................................................18 進(jìn)水水質(zhì)論證 ....................................................................................................18 二級(jí)處理程度論證 ............................................................................................19 廠址選擇論證 .......................................................................................................20第 4 章 工程方案選擇及比較 ...................................................................................22 污水處理方案論證 ...............................................................................................22 預(yù)處理方案 ........................................................................................................22 一級(jí)處理方案 ....................................................................................................22 二級(jí)處理方案 ....................................................................................................23 方案比較 ...............................................................................................................26 二級(jí)處理工藝方案比較 ....................................................................................26 污泥處理工藝方案論證及最終處置 ...................................................................32 污泥處理工藝方案論證 ....................................................................................32 污泥的最終處置 ................................................................................................33 管材比較 ...............................................................................................................34第 5 章 工程方案設(shè)計(jì) ...............................................................................................38 設(shè)計(jì)規(guī)模 ...............................................................................................................38 排水管網(wǎng)設(shè)計(jì) .......................................................................................................38 截流干管設(shè)計(jì) ....................................................................................................38 排水干管新建及改造 ........................................................................................39 排水構(gòu)筑物 ........................................................................................................40 污水處理廠推薦方案設(shè)計(jì) ...................................................................................40 工藝設(shè)計(jì) ............................................................................................................40 建筑設(shè)計(jì) ............................................................................................................44 結(jié)構(gòu)設(shè)計(jì) ............................................................................................................48細(xì)格柵間 .....................................................................................................................54 電氣設(shè)計(jì) ............................................................................................................58第 6 章 法規(guī)、條令專篇 ...........................................................................................67 節(jié)能 .......................................................................................................................67 能耗 ....................................................................................................................67 節(jié)能措施綜述 ....................................................................................................67 消防 .......................................................................................................................68 設(shè)計(jì)依據(jù) ............................................................................................................68 工程概述 ............................................................................................................68 總圖 ....................................................................................................................68 建筑防火 ............................................................................................................69 建設(shè)用地評(píng)述 .......................................................................................................69 擬選廠（場(chǎng)）址和周圍環(huán)境的評(píng)述 ................................................................69 用地規(guī)模評(píng)述 .....................................