【正文】 ................................................... 40 輔助建筑物的平面布置 .................................................................................. 41 本設(shè)計污水廠的平面布置 .............................................................................. 41 污水處理廠高程布置 ................................................................................................ 41 高程布置原則 .................................................................................................. 41 污水廠高程計算原則 ...................................................................................... 42 污水廠高程計算方法 ...................................................................................... 42 本設(shè)計水廠高程布置 ...................................................................................... 43 第二部分 設(shè)計計算書 ............................................................................................................ 43 1. 污水處理構(gòu)筑物設(shè)計及計算 ............................................................................................. 43 設(shè)計水量的確定 ........................................................................................................ 43 平均流量 .......................................................................................................... 43 總變化系數(shù) ...................................................................................................... 43 蘭州交通大學(xué)畢業(yè) 設(shè)計（論文） 4 設(shè)計流量 .......................................................................................................... 44 格柵及泵房 ................................................................................................................ 44 中格柵 .............................................................................................................. 44 污水提升泵站 .................................................................................................. 48 細(xì)格柵 .............................................................................................................. 49 沉砂池 ........................................................................................................................ 53 沉砂池的選型 .................................................................................................. 53 設(shè)計說明 .......................................................................................................... 53 設(shè)計資料 .......................................................................................................... 53 設(shè)計參數(shù) .......................................................................................................... 54 設(shè)計計算 .......................................................................................................... 54 初次沉淀池 ................................................................................................................ 56 設(shè)計說明及選型 .............................................................................................. 56 設(shè)計參數(shù) .......................................................................................................... 56 設(shè)計計算 .......................................................................................................... 57 A2/O 池 ........................................................................................................................ 60 設(shè)計要點 .......................................................................................................... 60 設(shè)計說明 .......................................................................................................... 61 設(shè)計計算 .......................................................................................................... 61 二沉池 ........................................................................................................................ 72 設(shè)計說明 .......................................................................................................... 72 設(shè)計參數(shù) .......................................................................................................... 73 設(shè)計計算 .......................................................................................................... 73 消毒接觸池 ................................................................................................................ 79 設(shè)計說明及選型 .............................................................................................. 79 設(shè)計參數(shù) .......................................................................................................... 79 設(shè)計計算 .......................................................................................................... 79 計量設(shè)備 .................................................................................................................... 81 設(shè)計說明及選型 .............................................................................................. 81 設(shè)計參數(shù) .......................................................................................................... 81 設(shè)計計算 .......................................................................................................... 81 蘭州交通大學(xué)畢業(yè) 設(shè)計（論文） 5 2. 污泥處理構(gòu)筑物設(shè)計及計算 ............................................................................................. 84 污泥泵房 .................................................................................................................... 84 回流污泥泵房 .................................................................................................. 84 剩余污泥泵房 .................................................................................................. 85 總污泥泵房尺寸 .............................................................................................. 85 污泥濃縮池 ................................................................................................................ 85 設(shè)計說明 .......................................................................................................... 85 設(shè)計參數(shù)