【正文】 ............................................................................................................. 19 泵房的選擇 ................................................................................................................................ 19 泵的選擇及集水池的計算 ....................................................................................................... 19 30 萬噸城市污水處理廠初步設(shè)計書 2 揚程估算 .................................................................................................................................... 20 細(xì)格柵 ................................................................................................................................................ 20 細(xì)格柵的計算： ........................................................................................................................ 20 格柵的計算 ................................................................................................................................ 21 選型 ............................................................................................................................................. 23 沉砂池的計算 ................................................................................................................................... 24 池體計算 .................................................................................................................................... 24 沉砂室尺寸計算 ........................................................................................................................ 25 排砂 ............................................................................................................................................. 27 出水水質(zhì) .................................................................................................................................... 28 初沉池 ................................................................................................................................................ 28 池體尺寸計算 ............................................................................................................................ 28 中心管計算 ................................................................................................................................ 31 出水堰的計算 ............................................................................................................................ 32 集配水井計算 ............................................................................................................................ 33 出水水質(zhì) .................................................................................................................................... 33 選型 ............................................................................................................................................. 34 曝氣池 ................................................................................................................................................ 34 池體計算 .................................................................................................................................... 34 曝氣系統(tǒng)設(shè)計與計算 ................................................................................................................ 37 供氣量 ......................................................................................................................................... 38 空氣管道系統(tǒng)計算 .................................................................................................................... 41 空壓機(jī)的選擇 ............................................................................................................................ 44 污泥回流系統(tǒng) ............................................................................................................................ 44 二沉池 ................................................................................................................................................ 45 池體尺寸計算 ............................................................................................................................ 45 中心管計算 ................................................................................................................................ 48 出水堰的計算 ............................................................................................................................ 49 集配水井計算 ............................................................................................................................ 49 出水水質(zhì) .................................................................................................................................... 51 選型 ............................................................................................................................................. 51 接觸池 ................................................................................................................................................ 51 接觸池尺寸計算 ........................................................................................................................ 51 加氯間 ......................................................................................................................................... 52 計量槽 ................................................................................................................................................ 53 4 污泥的處理與處置 ........................................................................... 53 污泥濃縮池 ....................................................................................................................................... 53 污泥消化池 ....................................................................................................................................... 57 一級消化池池體部分計算 ...................................................................................................... 57 一級消化池池體各部分表面積計算