【正文】 ....................... 19 常用除磷脫氮工藝 ............................................................................... 21 “硅藻納米微孔污水深度處理專利技術(shù)”工藝 ............................... 35 污水處理工藝的確定 ...................................................................................... 40 處理工藝分析 ....................................................................................... 40 工藝方案比選 ....................................................................................... 44 污泥處理工藝的選擇 ...................................................................................... 47 污泥處理目的 ....................................................................................... 47 污泥特性分析 ....................................................................................... 47 污泥處理工藝 ....................................................................................... 48 污泥最終處置 ....................................................................................... 49 沉渣回收再利用 ................................................................................... 49 出水消毒 .......................................................................................................... 51 3 第四章 推薦方案工程設(shè)計(jì) ................................ 55 設(shè)計(jì)原則 .......................................................................................................... 55 總體布局原則 ....................................................................................... 55 總體設(shè)計(jì) .......................................................................................................... 55 廠區(qū)總平面布置 ................................................................................... 55 廠區(qū)豎向設(shè)計(jì) ....................................................................................... 56 基礎(chǔ)設(shè)施設(shè)計(jì) ....................................................................................... 57 廠區(qū)綠化設(shè)計(jì) ....................................................................................... 57 工藝設(shè)計(jì) .......................................................................................................... 58 工藝流程設(shè)計(jì) ....................................................................................... 58 工藝單體設(shè)計(jì) ....................................................................................... 58 主要指標(biāo) .......................................................................................................... 64 總平面技 術(shù)經(jīng)濟(jì)指標(biāo)表 ....................................................................... 64 主要建、構(gòu)筑物 ................................................................................... 64 污水廠主要設(shè)備一覽表 ....................................................................... 65 建筑設(shè)計(jì) .......................................................................................................... 65 設(shè)計(jì)原則 ............................................................................................... 66 單體設(shè)計(jì) ............................................................................................... 66 裝修標(biāo)準(zhǔn) ............................................................................................... 66 建筑防火 ............................................................................................... 67 結(jié)構(gòu)設(shè)計(jì) .......................................................................................................... 67 設(shè)計(jì)原則 ............................................................................................... 67 設(shè)計(jì)依據(jù) ............................................................................................... 67 結(jié)構(gòu)類型 ............................................................................................... 68 抗震類型 ............................................................................................... 68 電氣設(shè)計(jì) .......................................................................................................... 68 設(shè)計(jì)范圍 ............................................................................................... 68 供電電源 ............................................................................................... 68 計(jì)算負(fù)荷 ............................................................................................... 69 4 變、配電系統(tǒng) ....................................................................................... 69 繼電保護(hù)及控制 ................................................................................... 70 操作電源 ............................................................................................... 70 電動(dòng)機(jī)啟動(dòng)及控制 ............................................................................... 70 電纜敷設(shè) ............................................................................................... 71 防雷及接地 ........................................................................................... 71 儀表及自控設(shè)計(jì) .............................................................................................. 71 自控系統(tǒng) ............................................................................................... 71 儀 表 ................................................................................................... 73 機(jī)械及通風(fēng)設(shè)計(jì) .............................................................................................. 73 設(shè)備選型及機(jī)械設(shè)計(jì) ........................................................................... 74 通風(fēng)設(shè)計(jì) ............................................................................................... 75 節(jié)能設(shè)計(jì) ........................................................................................................ 76 節(jié)能措施 ............................................................................................. 76 節(jié)能效果 ............................................................................................. 78 第五章 環(huán)境保護(hù) ..........