【正文】 ..............................................................................................5 污水處理廠建設規(guī)模及廠址選擇原則 ..........................................................................5 污水處理廠建設規(guī)模及廠址選擇原則 .............................................................5 ..............................................................................7 ..............................................................................................................7 ..............................................................................................................7 污水處理方案的確定 ......................................................................................................7 處理標準的確定 .................................................................................................8 污水處理路線的選擇 .........................................................................................8 污水處理工藝流程方案介紹 ........................................................................................10 ....................................................................10 工藝方案分析 ...................................................................................................... 11 A2/O法 ...............................................................................................................12 SBR法 ................................................................................................................15 .................................................................................................................18 A2/O 工藝流程 ..................................................................................................18 SBR 工藝流程 ..................................................................................................19 主要構(gòu)筑物的選擇 ........................................................................................................20 格柵 ...................................................................................................................20 進水閘井 ...........................................................................................................20 污水 泵 房 ...........................................................................................................20 第 II 頁 共 III頁 沉砂池 ...............................................................................................................21 SBR 反應池 ......................................................................................................22 消毒 ...................................................................................................................22 濃縮池 ...............................................................................................................23 污泥脫 水 ...........................................................................................................23 第 3章 污水處理系統(tǒng)的設計 24 中格柵 ............................................................................................................................24 設計要求 ...........................................................................................................24 設計流量 ...........................................................................................................25 格柵計算 ..............................................................................................................25 格柵的比較選型 ...............................................................................................27 污水提升泵站 ................................................................................................................28 設計說明 ...........................................................................................................28 一般規(guī)定 ...........................................................................................................28 選泵 ...................................................................................................................29 吸、壓水管路實際水頭損失的計算 ...............................................................30 水泵機組基礎的確定和污水泵站的布置 .......................................................32 泵 房高度的確定 ...............................................................................................32 泵房附屬設施及尺寸的確定 ...........................................................................33 泵房值班室、控制室及配電間 .......................................................................34 細格柵 ............................................................................................................................34 曝氣沉砂池 ....................................................................................................................36 設計說明 ...........................................................................................................36 設計參數(shù) ...........................................................................................................36 沉砂池比較 .......................................................................................................37 池體設計計算 ...................................................................................................37 曝氣系統(tǒng)設計計算 ...........................................................................................38 進水，出水及撇油 ...........................................................................................38 排砂量計算 .......................................................................................................38 提砂泵房與砂水分離器 ................................................................................................40 配水井 ............................................................................................................................41 比較選型 ............................................