【正文】 ........................................ 5 改造規(guī)模 ............................................................................................................................ 5 城市性質(zhì)與行政區(qū)劃 ......................................................................................................... 5 歷史沿革 ............................................................................................................................ 6 氣象水文 ............................................................................................................................ 7 建設(shè)目標(biāo) ............................................................................................................................ 8 項(xiàng)目總投資及效益情況 .................................................................................................... 8 項(xiàng)目建設(shè)的必要性和可行性 ..................................................................................................... 8 項(xiàng)目建設(shè)的必要性 ............................................................................................................ 8 項(xiàng)目建設(shè)的可行性 ............................................................................................................ 9 污水處理廠現(xiàn)狀及存在問題 .................................................................................................. 10 污水廠現(xiàn)狀 ...................................................................................................................... 10 污水廠存在問題 .............................................................................................................. 11 .......................................................................................................................................... 12 處理水質(zhì)指標(biāo) .......................................................................................................................... 12 設(shè)計(jì)進(jìn)水水質(zhì) .................................................................................................................. 12 設(shè)計(jì)出水水質(zhì) .................................................................................................................. 12 污水處理工藝論證 .................................................................................................................. 12 曝氣生物濾池工藝 .......................................................................................................... 13 填料活性污泥工藝 .......................................................................................................... 14 污泥處理工藝論證 .................................................................................................................. 14 各設(shè)計(jì)方案技術(shù)經(jīng)濟(jì)比較 ...................................................................................................... 15 各方案技術(shù)經(jīng)濟(jì)比較 ...................................................................................................... 16 .................................................................................................................................. 18 設(shè)計(jì)原則 .................................................................................................................................. 18 原污水廠工藝設(shè)計(jì)介紹 .......................................................................................................... 18 總體情況 ........................................................................................................................... 18 .日處理 10 萬 m3 污水廠改造工程可行性研究報(bào)告 粗格柵間 ........................................................................................................................... 19 污水提升泵房 ................................................................................................................... 20 細(xì)格柵間 ........................................................................................................................... 20 曝氣沉砂池 ....................................................................................................................... 21 段曝氣池 ......................................................................................................................... 22 中沉池 ............................................................................................................................... 23 段曝氣池 ......................................................................................................................... 24 二沉池 ............................................................................................................................... 25 污泥濃縮池 ..................................................................................................................... 26 鼓風(fēng)機(jī)房 ......................................................................................................................... 26 污泥脫水間 ..................................................................................................................... 27 濃縮污泥提升泵房 ......................................................................................................... 28 回流污泥泵房 ................................................................................................................. 28 排水泵房 ......................................................................................................................... 29 改造設(shè)想 .................................................................................................................................. 29 工程設(shè)計(jì) .................................................................................................................................. 31 工藝設(shè)計(jì) ........................................................................................................................... 31 電氣設(shè)計(jì) .......................................................................................................................... 32 儀表自控設(shè)計(jì) .......................................................................................