【正文】 ......... 3 工藝選擇 .......................................................................................................................... 3 氧化溝工藝 ................................................................................................................ 3 活性污泥工藝 ..................................................................................................... 4 工藝 .................................................................................................................... 4 工藝方案分析 .................................................................................................................. 6 流 程各結(jié)構(gòu)介紹 .............................................................................................................. 7 3 主要工藝參數(shù)設(shè)計計算 ......................................................................................................... 9 格柵 .................................................................................................................................. 9 設(shè)計說明 .................................................................................................................... 9 格柵計算 .................................................................................................................... 9 柵渣量計算 .............................................................................................................. 10 污水提升泵站 ................................................................................................................ 11 設(shè)計說明 .................................................................................................................. 11 設(shè)計選型 .................................................................................................................. 11 提升泵房 .................................................................................................................. 11 曝氣沉砂池 .................................................................................................................... 11 設(shè)計說明 .................................................................................................................. 11 池體設(shè)計計算 .......................................................................................................... 12 曝氣系統(tǒng)設(shè)計計算 .................................................................................................. 12 II 進水、出水及撇油 .................................................................................................. 13 排砂量計算 .............................................................................................................. 13 提砂泵房與砂水分離器 ................................................................................................ 13 鼓風(fēng)機房 ........................................................................................................................ 14 氧化溝 ............................................................................................................................ 14 設(shè)計說明 .................................................................................................................. 14 池體設(shè)計計算 .......................................................................................................... 16 需氧量計算 .............................................................................................................. 18 曝氣機數(shù)量和選型 .................................................................................................. 19 污泥計算 .................................................................................................................. 19 二沉池 ............................................................................................................................ 20 設(shè)計說明 .................................................................................................................. 20 池體設(shè)計計算 .......................................................................................................... 20 進水系統(tǒng)計算 .......................................................................................................... 22 出水部分設(shè)計 .......................................................................................................... 22 排泥部分設(shè)計 .......................................................................................................... 23 消毒接觸池 .................................................................................................................... 24 設(shè)計說明 .................................................................................................................. 24 池體設(shè)計計算 .......................................................................................................... 24 加氯量計算 .............................................................................................................. 24 污泥濃縮池 .................................................................................................................... 24 設(shè)計說明 .................................................................................................................. 24 池體設(shè)計計算 .......................................................................................................... 25 濃縮污泥提升泵房 ...................................................................................................... 26 污泥脫水間 .................................................................................................................. 26 污泥棚 .......................................................................................................................... 26 回流污泥泵設(shè)計選型 .................................................................................................. 26 4 主要構(gòu)筑物和附屬構(gòu)筑物 ................................................................................................... 28 主要構(gòu)筑物一覽表 ......................................................................