【正文】 ........... 4 編制依據(jù) ............................................................................................................. 4 編制范圍 ............................................................................................................. 6 第二章 城市概況、排水現(xiàn)狀及排水規(guī)劃 .................................................................. 7 城市概況 ............................................................................................................. 7 嵊州市概況 .................................................................................................... 7 地理位置 ................................................................................................ 7 地形地貌 ................................................................................................ 7 氣候、氣象 ............................................................................................ 8 水系 ........................................................................................................ 8 地質(zhì) ........................................................................................................ 8 社會經(jīng)濟狀況 ........................................................................................ 9 新昌縣概況 .................................................................................................... 9 地理位置 ................................................................................................ 9 地形地貌 ................................................................................................ 9 氣候、氣象 ............................................................................................ 9 水系 ...................................................................................................... 10 地質(zhì) ...................................................................................................... 10 社會經(jīng)濟狀況 ...................................................................................... 10 排水現(xiàn)狀及排水規(guī)劃 ....................................................................................... 11 排水現(xiàn)狀 ..................................................................................................... 11 城市排水對水環(huán)境的影響 ............................................................................... 11 排水規(guī)劃 ........................................................................................................... 12 截流干管規(guī)劃 .............................................................................................. 12 工業(yè)污染源治理 .......................................................................................... 12 第三章 污水水質(zhì)、水量的確定 ................................................................................ 14 污水水量的確定 ................................................................................................ 14 嵊新污水處理工程 初步設(shè)計說明書 2 污水廠進出水質(zhì)的確定 .................................................................................... 14 進水水質(zhì) ...................................................................................................... 14 出水水質(zhì) ...................................................................................................... 15 污泥處理 ...................................................................................................... 15 第四章 截流干管及提升泵站 .................................................................................... 16 截流輸水管位的選擇 ........................................................................................ 16 管材的選擇 ........................................................................................................ 17 截流輸水工程工程量 ........................................................................................ 17 管道設(shè)計 ............................................................................................................ 18 管基 .............................................................................................................. 18 檢查井 .......................................................................................................... 18 管道接口 ...................................................................................................... 18 管道防腐 ...................................................................................................... 19 污水管道設(shè)計參數(shù)的確定 ......................................................................... 19 新昌縣污水截流轉(zhuǎn)輸系統(tǒng)設(shè)計 .................................................................. 19 嵊州市污水截流系統(tǒng)設(shè)計 .......................................................................... 20 輸水泵站設(shè)計 .................................................................................................... 20 南津橋污水泵站 .......................................................................................... 21 萬年亭污水泵站 .......................................................................................... 21 城北污水泵站 .............................................................................................. 22 第五章 污水處理廠工程設(shè)計 .................................................................................... 24 污水處理廠廠址 ................................................................................................ 24 污水廠防洪設(shè)計 ............................................................................................... 24 污水廠處理工藝 ............................................................................................... 24 工藝單體設(shè)計 .................................................................................................... 25 污水量變化系數(shù) .......................................................................................... 25 細格柵 .......................................................................................................... 25 旋流沉砂池及砂水分離間 .......................................................................... 26 均質(zhì)池、水解酸化池、 ..............................................