【正文】 ....................................................................................................... 5 水文地質(zhì)資料 ................................................................................................ 5 城市排水系統(tǒng) ................................................................................................ 6 設(shè)計(jì)原則及依據(jù) ................................................................................................... 6 設(shè)計(jì)原則 ........................................................................................................ 6 設(shè)計(jì)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(jì)任務(wù)及要求 ................................................................................................... 8 設(shè)計(jì)任務(wù)書 .................................................................................................... 8 設(shè)計(jì)要求 ........................................................................................................ 9 水質(zhì)水量計(jì)算 ....................................................................................................... 9 水量計(jì)算 ........................................................................................................ 9 水質(zhì)計(jì)算 ........................................................................................................ 9 出水水質(zhì)及處理效率計(jì)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(jì)（論文） 第 IV頁(yè) 水質(zhì)水量特點(diǎn)分析 ............................................................................................. 11 工藝比較 ............................................................................................................. 11 一級(jí)預(yù)處理工藝比較 .................................................................................. 12 二級(jí)生化處理工藝比較 .............................................................................. 13 三級(jí)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(jì)計(jì)算 .............................................................................................. 21 閘門井 ................................................................................................................. 21 閘門選型 ...................................................................................................... 21 中格柵 ................................................................................................................. 21 格柵設(shè)計(jì) ...................................................................................................... 21 格柵參數(shù) ...................................................................................................... 22 設(shè)計(jì)計(jì)算 ...................................................................................................... 23 設(shè)備選型 ...................................................................................................... 24 中格柵草圖 .................................................................................................. 24 提升泵房 ............................................................................................................. 25 設(shè)計(jì)原則 ...................................................................................................... 26 設(shè)計(jì)形式 ...................................................................................................... 28 設(shè)計(jì)計(jì)算 ...................................................................................................... 28 相關(guān)設(shè)備選型 .............................................................................................. 30 細(xì)格柵設(shè)計(jì) ......................................................................................................... 30 格柵設(shè)計(jì) ...................................................................................................... 30 格柵參數(shù) ...................................................................................................... 31 設(shè)計(jì)計(jì)算 ...................................................................................................... 31 東北大學(xué)秦皇島分校 畢業(yè)設(shè)計(jì)（論文） 第 V頁(yè) 細(xì)格柵進(jìn)出水管道設(shè)計(jì) .............................................................................. 32 設(shè)備選型 ...................................................................................................... 33 細(xì)格柵草圖 .................................................................................................. 34 旋流式沉砂池 ..................................................................................................... 34 沉砂池設(shè)計(jì) .................................................................................................. 34 設(shè)備選型 ...................................................................................................... 35 參