【正文】 3 污水管網(wǎng)設計 .......................................................................................................................... 3 排水系統(tǒng)體制的選擇 .......................................................................................................... 3 設計流量計算 .................................................................................................................... 4 污水管網(wǎng)定線 .................................................................................................................... 4 污水管網(wǎng)水力計算 ............................................................................................................. 6 雨水管網(wǎng)設計 .......................................................................................................................... 7 設計流量計算 .................................................................................................................... 7 雨水管網(wǎng)定線 .................................................................................................................... 9 污水處理廠設計 ....................................................................................................................... 9 設計水質(zhì) ........................................................................................................................... 9 處理程 度的計算 ............................................................................................................... 10 工藝流程的確定 .................................................................................................................11 污水處理構(gòu)筑物設計說明 ................................................................................................. 14 污水廠平面布置 ............................................................................................................... 20 污水廠的高程布置 ............................................................................................................ 21 污水處理廠概算及處理成本 ................................................................................................... 22 計算依據(jù) ......................................................................................................................... 22 計算原則 ......................................................................................................................... 22 3 設計計算書 .................................................................................................................................. 23 污水管道系統(tǒng) ........................................................................................................................ 23 街區(qū)編號并計算其面積 .................................................................................................... 23 劃分設計管段，計算設計流量 .......................................................................................... 24 污水管水力計算 ............................................................................................................... 30 雨水管道系統(tǒng) ........................................................................................................................ 35 雨水管匯水面積計算 ........................................................................................................ 35 雨水管水力計算 ............................................................................................................... 39 污水廠設計計算 ..................................................................................................................... 50 流量計算 .......................................................................................................................... 50 中格柵設計 ...................................................................................................................... 53 提升泵站設計 .................................................................................................................. 55 細格柵設計 ...................................................................................................................... 60 沉砂池設計 ...................................................................................................................... 62 厭氧池 ............................................................................................................................. 65 氧化溝設計 ...................................................................................................................... 66 二沉池的設計 ................................................................................................................... 72 接觸消毒池與加氯間 ........................................................................................................ 77 計量堰 ........................................................................................................................... 79 污泥處理構(gòu)筑物設計計算 ................................................................................................ 80 高程計算 ........................................................................................................................ 84 工程概預算 ............................................................................................................................. 88 污水廠項目總投資 ........................................................................................................... 88 污水廠處理成本估算 ........................................................................................................ 92 污水廠綜合成本 ............................................................................................................... 93 4 結(jié)束語 ............................................................................................................... 錯誤 !未定義書簽。 該污水處理廠處理規(guī)模：近期 萬噸 /天，遠期 萬噸 /天 。 關鍵詞 ： 城市污水 ； 卡羅塞爾氧化溝 ； 脫氮 除磷 II Abstract This project is a design for sewerage engineering of Ruian City, Zhejiang Province, the major task is plete the design of rainwater and wastewater pipe and wastewater treatment plant. The wastewater treatment p