【正文】 1 目 錄 前 言 ........................................................................................................................... 5 1 概 述 ......................................................................................................................... 6 設(shè)計(jì)內(nèi)容與成果 ............................................................ 錯誤 !未定義書簽。 設(shè)計(jì)內(nèi)容 ........................................................... 錯誤 !未定義書簽。 設(shè)計(jì)成果 ............................................................. 錯誤 !未定義書簽。 自然資料 ........................................................................ 錯誤 !未定義書簽。 氣象資料 .............................................................. 錯誤 !未定義書簽。 水文資料 .............................................................. 錯誤 !未定義書簽。 設(shè)計(jì)水量 ........................................................................................................ 7 污水來源及狀況 ................................................. 錯誤 !未定義書簽。 污水量計(jì)算 ......................................................... 錯誤 !未定義書簽。 設(shè)計(jì)人口與當(dāng)量人口 .................................................... 錯誤 !未定義書簽。 一級處理以主要去除 SS 為主 ........................................................... 8 二級處理以主要去除 BOD5 為主 ..................................................... 8 處理程度 ........................................................................................................ 8 進(jìn)水及出水水質(zhì) ................................................................................. 8 去除率 ................................................................................................. 9 2 城市污水處理方案的確定 ..................................................................................... 10 確定污水處理方案的原則 .......................................................................... 10 污水處理方案的確定 .................................................................................. 10 污水處理路線的選擇 ....................................................................... 10 污水處理工藝流程方案介紹與比較 ...........................................................11 SBR 法 .................................................................................................11 曝氣生物濾池 (BAF 工藝） .............................................................. 12 MBR 工藝 .......................................................................................... 12 氧化溝工藝 ........................................................................................ 13 2 改良型 A2/O 工藝 ............................................................................ 14 氧化溝工藝 ........................................................................................ 15 傳統(tǒng)活性污泥法 ................................................................................ 16 工藝流程的確定 .......................................................................................... 17 3 污水廠總體布置 ..................................................................................................... 18 平面布置及總平面圖 .................................................................................. 18 平面布置的一般原則 ....................................................................... 18 廠區(qū)平面布置形式 ........................................................................... 19 污水廠平面布置的具體內(nèi)容 ........................................................... 19 污水廠的高程布置 ...................................................................................... 19 污水處理廠高程布置應(yīng)考慮事項(xiàng) ................................................... 19 污水廠的高程布置 ........................................................................... 19 高程計(jì)算 ........................................................................................... 20 4 城市污水處理廠的設(shè)計(jì) ......................................................................................... 22 進(jìn)水閘井 和進(jìn)水格柵間的設(shè)計(jì) .................................................................. 22 污水廠進(jìn)水管 ................................................................................... 22 進(jìn)水閘井工藝設(shè)計(jì) ........................................................................... 22 格柵的設(shè)計(jì) ....................................................................................... 24 污水泵房的設(shè)計(jì) .......................................................................................... 29 一般規(guī)定 ........................................................................................... 29 選泵 ................................................................................................... 29 吸、壓水管路實(shí)際水頭損失的計(jì)算 ............................................... 31 集水池 ............................................................................................... 33 水泵機(jī)組基礎(chǔ)的確定和污水泵站的布置 ....................................... 33 泵房高度的確定 ............................................................................... 34 平流式沉砂池的設(shè)計(jì) .................................................................................. 35 設(shè)計(jì)參數(shù) ............................................................................................ 35 設(shè)計(jì)計(jì)算 ............................................................................................ 35 3 生物選擇器 —— 厭氧池的設(shè)計(jì) .................................................................. 38 生物選擇池（厭氧混合池）容積計(jì)算 ........................................... 38 攪拌設(shè)備的選擇 ............................................................................... 39 氧化溝的設(shè)計(jì) .............................................................................................. 39 夏季狀況 ........................................................................................... 39 冬季狀況 ........................................................................................... 40 二沉池的設(shè)計(jì) .............................................................................................. 41 設(shè)計(jì)參數(shù) .......................................................................................