【正文】 I / 31200m3/d 生活污 水處理項目 方案設(shè)計 浙 江 德 安 科 技 股 份 有 限 公 司二 零 一 三 年 六 月II / 31目 錄第一章 概述 ..................................................................................................................................1 總則 .........................................................................................................................................1 工程概況 .................................................................................................................................1第二章　 設(shè)計基礎(chǔ) ..........................................................................................................................3 設(shè)計依據(jù)及資料 .....................................................................................................................3 設(shè)計范圍 .................................................................................................................................3 設(shè)計原則 .................................................................................................................................3 工程建設(shè)規(guī)模 .........................................................................................................................4 設(shè)計進出水水質(zhì) .....................................................................................................................4 設(shè)計進水水質(zhì) ..................................................................................................................4 設(shè)計出水水質(zhì) ..................................................................................................................4第三章　 工藝設(shè)計 ..........................................................................................................................5 污染物的去除對處理流程的影響 .........................................................................................5 懸浮物(SS)的去除 ..........................................................................................................5 BOD5 的去除 ....................................................................................................................5 COD 的去除 ....................................................................................................................6 氮的去除 .........................................................................................................................6 磷的去除 .........................................................................................................................6 污水二級生化處理工藝的選擇 .............................................................................................7 活性污泥法 .....................................................................................................................7 生物膜法 ..........................................................................................................................9 泥膜共生法 ....................................................................................................................10 工藝選擇 ........................................................................................................................11 污水深度處理工藝的選擇 ...................................................................................................12 污水處理站工藝流程 ...........................................................................................................14 工藝流程說明 .......................................................................................................................14第四章　 工藝單元設(shè)計 ................................................................................................................15 工藝構(gòu)成 ...............................................................................................................................15 單元功能描述 .......................................................................................................................15III / 31 格柵 ...............................................................................................................................15 集水調(diào)節(jié)池 ....................................................................................................................15 EH 工藝 .........................................................................................................................15 過濾器 ................................................................................................................15 消毒系統(tǒng) ........................................................................................................................15 單體構(gòu)筑物設(shè)計 ...................................................................................................................16 格柵渠及調(diào)節(jié)池 ............................................................................................................16 EH 處理系統(tǒng) .................................................................................................................16 過濾系統(tǒng) ........................................................................................................................18 消毒系統(tǒng) ...................