【正文】 規(guī)范與標(biāo)準(zhǔn) ..................................... 1 水質(zhì)標(biāo)準(zhǔn) .................................................. 1 勘察、設(shè)計(jì)規(guī)范 ............................................. 1 施工和驗(yàn)收規(guī)范 ............................................. 3 主要政策法律 ............................................... 4 設(shè)計(jì)原則 ......................................................... 4 設(shè)計(jì)范圍 ......................................................... 5 2. 總體設(shè)計(jì)及廠址選擇 .................................................... 2 ......................................................... 2 述 ......................................................... 2 ..................................................... 2 ................................................... 2 ................................................... 2 ............................................. 2 ..................................................... 3 ......................................................... 4 3. 污水處理廠工藝選擇 .................................................... 5 污水處理工藝選擇原則 ............................................. 5 污水處理工藝比選 ................................................. 5 按空間分割的連續(xù)流活性污泥法 ............................... 5 按時(shí)間分割的間歇式活性污泥法 ............................... 9 生物膜法 ................................................. 10 脫氮除磷工藝比較與選擇 .................................... 12 4. 污水處理構(gòu)筑物設(shè)計(jì)計(jì)算 ............................................... 14 .......................................................... 14 .................................................. 14 ............................................ 14 .................................................... 17 一般規(guī)定 ................................................. 17 選泵 ..................................................... 17 吸、壓水管路實(shí)際水頭損失的計(jì)算 ............................ 19 .......................................................... 20 .................................................. 20 ............................................ 20 .......................................................... 21 .................................................. 21 ............................................ 22 （輻流式） ................................................ 23 河南城建學(xué)院本科畢業(yè)設(shè)計(jì) 目錄 IV .................................................. 23 （輻流式）設(shè)計(jì)計(jì)算 .................................. 24 刮泥設(shè)備的選擇 ........................................... 26 進(jìn)出水設(shè)計(jì) ............................................... 27 ...................................................... 28 工藝特點(diǎn) ................................................. 28 設(shè)計(jì)參數(shù) ................................................. 29 A∕ A∕ O工藝設(shè)計(jì)計(jì)算 ...................................... 30 （輻流式） ........................................... 34 .................................................. 34 ........................................ 34 ...................................................... 38 .............................................. 38 消毒設(shè)施計(jì)算 .............................................. 38 1) 接觸池主要尺寸 .............................................. 38 ........................................................ 40 ............................................ 40 .................................................. 40 設(shè)計(jì)計(jì)算 ................................................. 41 ......................................................... 42 ..................................................... 42 ................................................. 42 ................................................. 43 5. 污泥處理設(shè)施設(shè)計(jì)計(jì)算 ................................................. 44 (sludge treatment)的目的與處理方法 ....................... 44 ............................................ 44 ............................................ 45 污泥處理方法的選擇 ........................................ 45 濃縮池 .......................................................... 45 設(shè)計(jì)參數(shù) ................................................. 45 污泥量的計(jì)算 .............................................. 46 .......................................... 46 ............................................... 48 貯泥池的作用 .............................................. 48 貯泥池的計(jì)算 ............................................. 48 污泥泵的選擇 .............................................. 49 .................................................... 50 概述 ..................................................... 50 設(shè)計(jì)計(jì)算 ................................................. 50 6. 污水廠平面與高程布置 ................................................. 52 平面布置 ........................................................ 52 平面布置的一般原則 ........................................ 52 廠區(qū)平面布置形式 .......................................... 52 污水廠的平面布置具體內(nèi)容 .................................. 53 河南城建學(xué)院本科畢業(yè)設(shè)計(jì) 目錄 V .................................................. 53 ............................................ 53 .............................................. 54 .................................... 56 致 謝 ................................................................. 58 參考文獻(xiàn) ................................................................ 59 河南城建學(xué)院本科畢業(yè)設(shè)計(jì) 1 1. 概 述 項(xiàng)目基本情況 泌陽縣位于河南省南部，屬駐馬店市。 (4) 結(jié)合本工程實(shí)際情況，采用適合國情的自動(dòng)化儀表、設(shè)備及監(jiān)測儀器，提高自動(dòng) 化管理水平和供電安全程度，以減輕工人勞動(dòng)強(qiáng)度，改善勞動(dòng)條件。 出水水質(zhì)指標(biāo)見下表 : 表 污水廠出水水質(zhì) 序號 項(xiàng) 目 設(shè)計(jì)出水水質(zhì) 1 化學(xué)需氧量（ COD） ≤ 60mg/L 2 生化需氧量（ BOD5） ≤ 20mg/L 3 懸浮物 （ SS） ≤ 20mg/L 4 氨氮（ NH3N） ≤ 8（ 15） mg/L 5 總氮（ TN） 20 mg/L 6 總磷（以 P計(jì)） ≤ 7 pH 6~9 8 糞大腸菌群數(shù)（個(gè) /L） 10000 去除率： E=00CCC e? 100% 式 () 式中： C0— 進(jìn)水物質(zhì)濃度， mg/l Ce— 出水物質(zhì)濃度， m