【正文】 以及當(dāng)?shù)氐木唧w情況（如施工條件）。季節(jié)溫差大，多 年平均氣溫 ℃。 工藝流程如下： 市政 污水 → 中 格柵 → 污水提升 泵房 → 細(xì)格柵 → 旋流 沉砂池→ 配水井 → 厭氧池→ 氧化溝→ 配水集泥井 → 二沉池 → 接觸池 → 計(jì)量槽 →出水 關(guān)鍵詞： 污水處理廠 ； 合流制 ；厭氧池； 氧化溝； 投資費(fèi)用 Abstract Ⅱ Yingtan Xihu District sewage treatment plant design ABSTRACT Yingtan city is located in the northeast of Jiangxi Province, the letter in the middle and lower reaches of. Letter from Jiang Zidong to west through entering the city of Poyang Lake. Urban groundwater basic diving, letter River crossstrait lowlying, high underground water level, with rich water. Along with the industry to develop quickly in the round, letter river is seriously polluted, to the development of economy and the improvement of people39。信江自東向西流經(jīng)本市進(jìn)入鄱陽湖。 the investment of sewage treatment plants 摘要 Ⅰ 目錄 第一部分設(shè)計(jì)說明書 ............................................................................ 1 第 1 章 設(shè)計(jì)任務(wù)及資料 .................................................................... 1 設(shè)計(jì)任務(wù) ............................................................................................................ 1 設(shè)計(jì)依據(jù) ............................................................................................................ 1 設(shè)計(jì)資料 ............................................................................................................ 2 工程概況 .................................................................................................. 2 市政排水條件 ： ....................................................................................... 2 設(shè)計(jì)原則 ............................................................................................................ 3 污水處理廠設(shè)計(jì)原則 ................................................................................ 3 污水處理工程運(yùn)行過程中應(yīng)遵循的原則 .................................................... 3 第 2 章 工程總體設(shè)計(jì) .......................................................................... 4 服務(wù)范圍 ........................................................................................................... 4 設(shè)計(jì)規(guī)模 ........................................................................................................... 4 進(jìn)水水質(zhì)情況 ..................................................................................................... 4 出水水質(zhì)標(biāo)準(zhǔn) ..................................................................................................... 4 第 3 章 設(shè)計(jì)方案論證 ........................................................................ 5 廠址選擇 ............................................................................................................ 5 污水廠處理流程的選擇 ....................................................................................... 5 確定處理流程的原則 ................................................................................ 5 污水處理流程的選擇 ................................................................................ 6 污水處理流程方案的介紹與比較 ............................................................... 7 污水處理流程方案的確定 ......................................................................... 9 第 4 章 污水廠的工藝設(shè)計(jì)選擇 ......................................................... 10 格柵的選擇 .......................................................................................................10 沉砂池的選擇 ....................................................................................................10 氧化溝類型的選擇 ............................................................................................11 二沉池的選擇 ...................................................................................................14 污泥處理工藝的選擇 ........................................................................................15 消毒池 .............................................................................................................17 巴氏計(jì)量槽 .......................................................................................................17 第 5 章 各建構(gòu)筑物設(shè)計(jì)規(guī)模 ............................................................ 18 污水提升泵房 ....................................................................................................18 細(xì)格柵 .............................................................................................................18 沉砂池 .............................................................................................................19 厭氧池 ..............................................................................................................19 氧化溝 ..............................................................................................................19 Abstract Ⅱ 二沉池 .............................................................................................................19 消毒池 ..............................................................................................................20 污泥泵房設(shè)計(jì) ....................................................................................................20 貯泥池 ..............................................................................................................20 .........................................................................................................20 第二部分 西湖區(qū)污水處理廠設(shè)計(jì)計(jì)算書 ......................................... 21 第 6 章 原水水量計(jì)算 ........................................................................ 21 近期水量計(jì)算 ....................................................................................................21 遠(yuǎn)期水量計(jì)算 ....................................................................................................22 第 7 章 污水處理程度計(jì)算 ................................................................ 24 污水的 COD 處理程度計(jì)算 ................................................................................24 污水的 BOD5處理程度計(jì)算 ...............................................................................