【正文】 treatment design meet the relevant requirements. Key Words: Sewage Treatment, A/A/O, Nitrogen and Phosphorus Removal,Process design 東北大學(xué)秦皇島分校 畢業(yè)設(shè)計（論文） 第 III 頁 目 錄 1 緒論 .................................................................................................................................... 1 設(shè)計目的及意義 ................................................................................................... 1 國內(nèi)外研究現(xiàn)狀 ................................................................................................... 1 國內(nèi)研究現(xiàn)狀及趨勢 .................................................................................... 1 國外研究現(xiàn)狀 ................................................................................................ 2 城市背景資料 ....................................................................................................... 4 城市概況 ........................................................................................................ 4 地理資料 ........................................................................................................ 5 氣象資料 ........................................................................................................ 5 水文地質(zhì)資料 ................................................................................................ 5 城市排水系統(tǒng) ................................................................................................ 6 設(shè)計原則及依據(jù) ................................................................................................... 6 設(shè)計原則 ........................................................................................................ 6 設(shè)計依據(jù) ........................................................................................................ 6 廠地狀況 ............................................................................................................... 7 廠址選擇 ........................................................................................................ 7 廠地概況 ........................................................................................................ 7 污水污泥最終去向 ........................................................................................ 8 設(shè)計任務(wù)及要求 ................................................................................................... 8 設(shè)計任務(wù)書 .................................................................................................... 8 設(shè)計要求 ........................................................................................................ 9 水質(zhì)水量計算 ....................................................................................................... 9 水量計算 ........................................................................................................ 9 水質(zhì)計算 ........................................................................................................ 9 出水水質(zhì)及處理效率計算 .......................................................................... 10 2 工藝流程的確定 .............................................................................................................. 11 東北大學(xué)秦皇島分校 畢業(yè)設(shè)計（論文） 第 IV頁 水質(zhì)水量特點分析 ............................................................................................. 11 工藝比較 ............................................................................................................. 11 一級預(yù)處理工藝比較 .................................................................................. 12 二級生化處理工藝比較 .............................................................................. 13 三級深度處理工藝比較 .............................................................................. 15 污泥處理工藝比較 ...................................................................................... 16 工藝流程比較 .............................................................................................. 17 工藝選擇與論證 ................................................................................................. 19 工藝選擇 ...................................................................................................... 19 工藝論證 ...................................................................................................... 20 3 污水處理構(gòu)筑物設(shè)計計算 .............................................................................................. 21 閘門井 ................................................................................................................. 21 閘門選型 ...................................................................................................... 21 中格柵 ................................................................................................................. 21 格柵設(shè)計 ...................................................................................................... 21 格柵參數(shù) ...................................................................................................... 22 設(shè)計計算 ...................................................................................................... 23 設(shè)備選型 ...................................................................................................... 24 中格柵草圖 .................................................................................................. 24 提升泵房 ............................................................................................................. 25 設(shè)計原則 ...................................................................................................... 26 設(shè)計形式 ...................................................................................................... 28 設(shè)計計算 ...................................................................................................... 28 相關(guān)設(shè)備選型 .............................................................................................. 30 細格柵設(shè)計 .............................