【正文】 ...........................................................................................................4第 2章 設(shè)計說明書 .........................................................................................5 處理程度的計算 ...................................................................................................................................5 BOD5的去除率為 ...........................................................................................................................5 CODcr的去除率為 ........................................................................................................................5 SS的去除率為 ..............................................................................................................................5 NH4N的去除率為 .........................................................................................................................5 TP的去除率為 ..............................................................................................................................5 城市污水處理工藝的選擇 ...................................................................................................................5 工藝流程的比較 ...........................................................................................................................6 工藝流程選擇 ...............................................................................................................................8 格柵和泵房 ...................................................................................................................................9 沉砂池的設(shè)計 .............................................................................................................................11 氧化溝的設(shè)計 .............................................................................................................................12 消毒劑的選擇 .....................................................................................................................................18 消毒工藝概述 .............................................................................................................................18 方案的確定 .................................................................................................................................18 接觸池的確定 .....................................................................................................................................19 計量設(shè)施的確定 .................................................................................................................................19 污泥輸送方式的確定 .........................................................................................................................20 重力濃縮池機械脫水設(shè)備的確定 .....................................................................................................20 污 泥 濃 縮 、 脫 水 方 式 選 擇 ................................................................................................20 污泥脫水方式的基本構(gòu)造及特點 .............................................................................................20洛陽理工學(xué)院畢業(yè)設(shè)計（論文）V 污泥脫水設(shè)備選型 .....................................................................................................................22 污泥最終處置 .............................................................................................................................22 污水廠平面高程布置 .........................................................................................................................22 平面布置 .....................................................................................................................................22 管道布置 .....................................................................................................................................23 高程布置 .....................................................................................................................................23第 3章 污水廠設(shè)計計算書 .................................................................................24 中格柵的設(shè)計計算 .............................................................................................................................24 柵條間隙數(shù) .................................................................................................................................24 格柵寬度 .....................................................................................................................................25 進水渠道漸寬部長度 .................................................................................................................25 柵槽與出水渠道連接處漸窄部分長度 .....................................................................................25 過柵水頭損失 .............................................................................................................................25 柵后槽總高度 H..........................................................................................................................26 柵槽總長度 .................................................................................................................................26 每日柵渣量 .................................................................................................................................26 設(shè)備選型 .....................................................................................................................................27 計算草圖 ...................................................................................................................................27 集水井與提升泵房 .............................................................................................................................27 泵房 .............................................................................................................................................27 水泵選型 .....................................................................................................................................28 集水井 .............................................................