【正文】 目 錄引 言 .........................................................................................................11 設(shè)計(jì)任務(wù)及概況 ....................................................................................2 設(shè)計(jì)任務(wù)及依據(jù) ..............................................................................2 設(shè)計(jì)任務(wù) ....................................................................................2 設(shè)計(jì)依據(jù)及原則 ........................................................................2 設(shè)計(jì)范圍 .....................................................................................3 設(shè)計(jì)水量及水質(zhì) ...............................................................................3 設(shè)計(jì)水量 .....................................................................................3 設(shè)計(jì)水質(zhì) .....................................................................................3 設(shè)計(jì)人口 .....................................................................................32 工藝設(shè)計(jì)方案的確定 ............................................................................4 方案確定的原則 ...............................................................................4 污水處理工藝流程的確定 ...............................................................4 廠址及地形資料 .........................................................................4 氣象及水文資料 .........................................................................5 可行性方案的確定 .....................................................................5 工藝流程方案的確定 .................................................................6 污泥處理工藝流程 .....................................................................8 主要構(gòu)筑物的選擇 ...........................................................................8 格柵 .............................................................................................8 泵房 .............................................................................................9 沉砂池 .........................................................................................9 初沉池、二沉池 .......................................................................10 曝氣池 .......................................................................................10 接觸池 .......................................................................................11 計(jì)量槽 .......................................................................................12 濃縮池 .......................................................................................12 消化池 .......................................................................................12 污泥脫水 .................................................................................133 污水處理系統(tǒng)工藝設(shè)計(jì) .......................................................................13 格柵的計(jì)算 .....................................................................................13 粗格柵 .......................................................................................13 格柵的計(jì)算 ...............................................................................14 選型 ...........................................................................................17 泵房 .................................................................................................17 泵房的選擇 ...............................................................................17 泵的選擇及集水池的計(jì)算 .......................................................17 揚(yáng)程估算 ...................................................................................18 細(xì)格柵 .............................................................................................18 細(xì)格柵的計(jì)算： .......................................................................18 格柵的計(jì)算 ...............................................................................19 選型 ...........................................................................................21 沉砂池的計(jì)算 .................................................................................22 池體計(jì)算 ...................................................................................22 沉砂室尺寸計(jì)算 .......................................................................23 排砂 ...........................................................................................25 出水水質(zhì) ...................................................................................26 初沉池 .............................................................................................26 池體尺寸計(jì)算 ...........................................................................26 中心管計(jì)算 ...............................................................................29 出水堰的計(jì)算 ...........................................................................30 集配水井計(jì)算 ...........................................................................31 出水水質(zhì) ...................................................................................31 選型 ...........................................................................................32 曝氣池 .............................................................................................32 池體計(jì)算 ...................................................................................32 曝氣系統(tǒng)設(shè)計(jì)與計(jì)算 ...............................................................35 供氣量 .......................................................................................36 空氣管道系統(tǒng)計(jì)算 ...................................................................39 空壓機(jī)的選擇 ...........................................................................42 污泥回流系統(tǒng) ...........................................................................42 二沉池 .............................................................................................43 池體尺寸計(jì)算 ...........................................................................43 中心管計(jì)算 ...............................................................................46 出水堰的計(jì)算 ...........................................................................47 集配水井計(jì)算 ......................