【正文】 ......26 推薦方案.............................................................................................................................28 方案材料表.........................................................................................................................28 工程設(shè)計 ....................................................................................................................................29 設(shè)計原則.............................................................................................................................29 管道基礎(chǔ).............................................................................................................................32 管材選擇.............................................................................................................................35 檢查井.................................................................................................................................40 污水提升泵站設(shè)計.............................................................................................................41 管道施工方法....................................................................................................................45第四章 污水處理廠工程設(shè)計 ..................................................................................57 污水處理工藝選擇原則 ............................................................................................................57 污水處理工藝選擇原則....................................................................................................57 水質(zhì)處理要求分析............................................................................................................57 污水處理工藝比選 ....................................................................................................................58 按空間分割的連續(xù)流活性污泥法....................................................................................58 按時間分割的間歇式活性污泥法....................................................................................65 生物膜法............................................................................................................................69 脫氮除磷工藝比較與選擇................................................................................................71 二沉池工藝的選擇 ....................................................................................................................76 技術(shù)特點.............................................................................................................................76 設(shè)備特點.............................................................................................................................77 污泥處理處置工藝的選擇 ........................................................................................................79 污泥處理工藝的選擇原則................................................................................................79 污泥處理處置的方法........................................................................................................79 污泥處理處置適用工藝分析............................................................................................80 污泥處理處置推薦工藝....................................................................................................85 消毒工藝選擇 ............................................................................................................................86 液氯....................................................................................................................................86 臭氧....................................................................................................................................86 紫外線................................................................................................................................87 二氧化氯............................................................................................................................87 幾種消毒劑的比較表........................................................................................................87 出水消毒推薦工藝............................................................................................................88 除臭工藝選擇 ............................................................................................................................89 污水廠除臭的必要性........................................................................................................89 污水廠構(gòu)筑物除臭設(shè)計原則............................................................................................89 污水廠除臭標準................................................................................................................89 除臭方法選擇....................................................................................................................89 工藝總平面及高程設(shè)計 ............................................................................................................93 工藝設(shè)計基礎(chǔ)數(shù)據(jù)............................................................................................................93 工藝流程............................................................................................................................93 工藝描述............................................................................................................................95 工藝平面布置....................................................................................................................96 廠區(qū)管網(wǎng)布置....................................................................................................................99 廠區(qū)道路及運輸..............................................................................................................101 廠區(qū) 綠化..........................................................................................................................102 設(shè)計高程..........................................................................................................................102 污水處理工藝設(shè)計 .....................................................................................