【正文】 .........................................................................................................................................7 建設單位 ..................................................................................................................................................7 項目主管部門 ..........................................................................................................................................7 項目規(guī)模 ..................................................................................................................................................7 工程內容 ..................................................................................................................................................7 污水處理廠廠址選擇 .............................................................................................................................8 污水處理廠工藝確定 .............................................................................................................................8 勞動定員 ..................................................................................................................................................8 工程投資 ..................................................................................................................................................8 第 2章 項目概述 .......................................................................................... 9 編制原則 ..................................................................................................................................................9 編制依據(jù) ..................................................................................................................................................9 編制范圍 ............................................................................................................................................... 10 城市概況 ............................................................................................................................................... 10 長白山生態(tài)健康科技產業(yè)園規(guī)劃 ..................................................................................................... 14 科技產業(yè)園總體框架 .......................................................................................................................... 15 供水工程現(xiàn)狀及規(guī)劃 .......................................................................................................................... 17 排水工程現(xiàn)狀及規(guī)劃 .......................................................................................................................... 17 靖宇縣污水處理工程項目可行性研究報告 ii 工程建設的必要性 .............................................................................................................................. 18 第 3章 方案論證 ........................................................................................ 21 排水體制與管網(wǎng)布局 .......................................................................................................................... 21 工業(yè)廢水收集 ....................................................................................................................................... 22 工程規(guī)模論證 ....................................................................................................................................... 23 水質論證 ............................................................................................................................................... 27 廠址選擇論證 ....................................................................................................................................... 30 第 4章 工程方案選擇及比較 ....................................................................... 33 污水處理方案論證 .............................................................................................................................. 33 二級處理工藝方案比較 ...................................................................................................................... 45 污泥處理工藝方案論證及最終處置 ................................................................................................. 46 出水消毒論證 ....................................................................................................................................... 53 污水管材比較 ....................................................................................................................................... 56 第 5章 工程設計 ........................................................................................ 58 污水管網(wǎng)設計 ....................................................................................................................................... 58 污水中途提升泵站工藝設計 .............................................................................................................. 65 污水處理廠工藝設 計 .......................................................................................................................... 67 建筑設計 ............................................................................................................................................... 78 結構設計 ............................................................................................................................................... 82 電氣設計 ............................................................................................................................................... 85 自控儀表及通信設計 .......................................................................................................................... 89 靖宇縣污水處理工程項目可行性研究報告 iii 暖通設計 ............................................................................................................................................... 97 第 6章 防腐設計 ........................................................................................ 99 防腐的重要性 .................................................................................................