【正文】 ............................... 12 2 2.. 設(shè)計(jì)計(jì)算 .................................................................................................................. 13 初次沉淀池 ...................................................................................................................... 14 設(shè)計(jì) 參數(shù) ................................................................................................................... 15 設(shè)計(jì)計(jì)算 ................................................................................................................... 15 A2/O 生化反應(yīng)池 ........................................................................................................... 17 設(shè)計(jì)參數(shù) ................................................................................................................... 17 設(shè)計(jì)計(jì)算 ................................................................................................................... 18 二沉池 ............................................................................................................................... 22 設(shè)計(jì)說明 .................................................................................................................... 22 設(shè)計(jì)計(jì)算 .................................................................................................................... 22 接觸消毒池 ....................................................................................................................... 25 3 污泥處理系統(tǒng) ............................................... 27 污泥水分去除的意義和方法 .......................................................................................... 27 污泥濃縮池 ...................................................................................................................... 27 污泥脫水間 ....................................................................................................................... 29 設(shè)計(jì)說明 .................................................................................................................... 29 惡臭處理系統(tǒng) ............................................................................................................ 29 4 污水處理廠總體布置 ......................................... 30 平面布置 .......................................................................................................................... 30 高程布置 ........................................................................................................................... 31 5 供配電系統(tǒng)設(shè)計(jì) ............................................. 34 電源 .................................................................................................................................. 34 配電系統(tǒng) .......................................................................................................................... 34 用電功率統(tǒng)計(jì)表 .............................................................................................................. 34 6 儀表控制系統(tǒng)設(shè)計(jì) ........................................... 35 設(shè)計(jì)原則 .......................................................................................................................... 35 設(shè)計(jì)內(nèi)容 .......................................................................................................................... 35 7 工程概預(yù)算 ................................................. 36 范圍估算 .......................................................................................................................... 36 項(xiàng)目總投資 ...................................................................................................................... 36 運(yùn)行費(fèi)用 .......................................................................................................................... 36 8 消防、安全、土建工程和勞動(dòng)定員 ............................. 37 消防 .................................................................................................................................. 37 安全 .................................................................................................................................. 37 3 土建工程 .......................................................................................................................... 37 勞動(dòng)定員 .......................................................................................................................... 37 9 效益分析 ................................................... 38 環(huán)境效益 .......................................................................................................................... 38 社會(huì)效益 .......................................................................................................................... 38 經(jīng)濟(jì)效益 .......................................................................................................................... 38 10 環(huán)境保護(hù) .................................................. 39 施工過程中對(duì)環(huán)境影響及對(duì)策 .................................................................................... 39 項(xiàng)目建成后的環(huán)境影響及對(duì)策 .................................................................................... 40 污水處理廠工程環(huán)境保護(hù)設(shè)計(jì)標(biāo)準(zhǔn) ............................................................................ 41 11 結(jié)論 ...................................................... 42 致謝 ......................................................... 42 參考文獻(xiàn)： ................................................... 42 4 摘要： 采用 A2/O 工藝設(shè)計(jì) 6 萬(wàn) m3/d的城市污水處理廠。該污水處理廠的進(jìn)水水質(zhì)為 COD＝ 512mg/L，BOD=242mg/L,SS=277mg/L，氨氮為 25mg/L， TP 為 5mg/L，設(shè)計(jì)流量為 6 萬(wàn) m3/d，出水要求達(dá)到污水綜 合排放標(biāo)準(zhǔn)的二級(jí)標(biāo)準(zhǔn) 。 關(guān)鍵詞 ： 城市污水， A2/O 工藝，工藝流程、設(shè)計(jì)參數(shù)、平面高程布置 5 Abstract: Using A2 / O process design 60,000 m3 / d of municipal wastewater treatment sewage treatment plant influent water quality for the COD = 512mg / L, BOD = 242mg / L, SS = 277mg / L, ammonia nitrogen is 25mg / L, TP of 5mg / L, design flow of 60,000 m3 / d, wate