【正文】 ...................................................... 38 設(shè)計(jì)說明 .......................................................................................................... 38 脫水機(jī)房說明 .................................................................................................. 38 主要設(shè)備選型 .................................................................................................. 38 5. 污水處理廠平面及高程布置 ............................................................................................. 39 污水廠平面布置 ........................................................................................................ 39 污水廠廠址選擇應(yīng)遵循下列各項(xiàng)原則 .......................................................... 39 污水處理廠平面布置的原則 .......................................................................... 39 處理單元構(gòu)筑物的平面布置 .......................................................................... 40 管、渠的平面布置 .......................................................................................... 40 輔助建筑物的平面布置 .................................................................................. 41 本設(shè)計(jì)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(jì)算原則 ...................................................................................... 42 污水廠高程計(jì)算方法 ...................................................................................... 42 本設(shè)計(jì)水廠高程布置 ...................................................................................... 43 第二部分 設(shè)計(jì)計(jì)算書 ............................................................................................................ 43 1. 污水處理構(gòu)筑物設(shè)計(jì)及計(jì)算 ............................................................................................. 43 設(shè)計(jì)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(jì)（論文） 4 設(shè)計(jì)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(jì)說明 .......................................................................................................... 53 設(shè)計(jì)資料 .......................................................................................................... 53 設(shè)計(jì)參數(shù) .......................................................................................................... 54 設(shè)計(jì)計(jì)算 .......................................................................................................... 54 初次沉淀池 ................................................................................................................ 56 設(shè)計(jì)說明及選型 .............................................................................................. 56 設(shè)計(jì)參數(shù) .......................................................................................................... 56 設(shè)計(jì)計(jì)算 .......................................................................................................... 57 A2/O 池 ........................................................................................................................ 60 設(shè)計(jì)要點(diǎn) .......................................................................................................... 60 設(shè)計(jì)說明 .......................................................................................................... 61 設(shè)計(jì)計(jì)算 .......................................................................................................... 61 二沉池 ........................................................................................................................ 72 設(shè)計(jì)說明 .......................................................................................................... 72 設(shè)計(jì)參數(shù) .......................................................................................................... 73 設(shè)計(jì)計(jì)算 .......................................................................................................... 73 消毒接觸池 ................................................................................................................ 79 設(shè)計(jì)說明及選型 .............................................................................................. 79 設(shè)計(jì)參數(shù) .......................................................................................................... 79 設(shè)計(jì)計(jì)算 .......................................................................................................... 79 計(jì)量設(shè)備 .................................................................................................................... 81 設(shè)計(jì)說明及選型 .............................................................................................. 81 設(shè)計(jì)參數(shù) .......................................................................................................... 81 設(shè)計(jì)計(jì)算 ...