【正文】 ..............................................................12 進(jìn)水控制井計(jì)算 ................................................................................................12 管道計(jì)算 .................................................................................................12 尺寸計(jì)算 .................................................................................................12 粗格柵的計(jì)算 ...................................................................................................13 污水提升泵房 ....................................................................................................17 水泵的選擇 .............................................................................................17 集水池 ....................................................................................................17 泵位及安裝 .............................................................................................18 泵房草圖 ................................................................................................18 細(xì)格柵 ..............................................................................................................18 曝氣沉砂池 .......................................................................................................22 平流式初沉池 ...................................................................................................26 A2/O 生物反應(yīng)池 ...............................................................................................33 設(shè)計(jì)參數(shù) .................................................................................................33 平面尺寸計(jì)算 .........................................................................................35 進(jìn)出水系統(tǒng) .............................................................................................37 其他管道設(shè)計(jì) ..........................................................................................40 剩余污泥量 .............................................................................................40 曝氣系統(tǒng) ..........................................................................................................40 需氧量的計(jì)算 ..........................................................................................41 供氣量 ....................................................................................................41 輻流式二沉池 ...................................................................................................44 接觸消毒池 ....................................................................................................51 消毒劑的選擇 .......................................................................................51 消毒劑的投加 .......................................................................................52 平流式消毒接觸池 ................................................................................52 計(jì)量設(shè)備 ........................................................................................................55 計(jì)量設(shè)備選擇 .......................................................................................55 巴氏計(jì)量槽設(shè)計(jì) ....................................................................................56 第二章 污泥處理構(gòu)筑物 設(shè)計(jì)計(jì)算 ..................................................................................60 污泥量計(jì)算 .......................................................................................................60 初沉池污泥量計(jì)算 ...................................................................................60 剩余污泥量計(jì)算 ......................................................................................61 污泥濃縮池 .......................................................................................................62 貯泥池 .............................................................................................................67 污泥消化池 .......................................................................................................70 容積計(jì)算 ................................................................................................70 平面尺寸計(jì)算 .........................................................................................73 消化后的污泥量計(jì)算 ...............................................................................74 污泥脫水 ..........................................................................................................75 脫水污泥量計(jì)算 ......................................................................................75 脫水機(jī)的選擇 .........................................................................................76 第三章 高程計(jì)算 ...........................................................................................................78 污水水頭損失計(jì)算 ............................................................................................78 高程確定 ..........................................................................................................79 污泥處理構(gòu)筑物高程布置 .................................................................................80 第四章 污水廠平面布置 ................................................................................................81 平面布置原則 ....................................................................................................81 管線布置 ...........................................................................................................82 第三部分 致謝 ..............................................................................................................83 第四部分 參考文獻(xiàn) .......................................................................................................84 第一部分 污水廠 工藝 選擇 第一章 設(shè)計(jì)概論 城市自然狀況 城市性質(zhì)與規(guī)模 規(guī)劃面積 18km2， ，人口 萬人。 污水廠的設(shè)計(jì)規(guī)模 近期污水量為 4 104 m3/d，遠(yuǎn)期污水量為 6 104 m3/d，其中生活污水和工業(yè)廢水所占比例約為 6:4。 ③ 污泥中含磷濃度高，具有很高的肥效。 C 氧化溝 工作流程： 污水 → 中格柵 → 提升泵房 → 細(xì)格柵 → 沉砂池 → 氧化溝 → 二沉池 → 接觸池 →處理水排放 工作原理： 氧化溝一般呈環(huán)形溝渠狀，污水在溝渠內(nèi)作環(huán)形流動(dòng)，