【正文】 武漢市 12 萬 m3/d 污水處理廠工藝設(shè)計（ AB 法） 目 錄 設(shè)計總說明 ............................................................... I General Design Introduction .............................................. V 1 前言 .................................................................... 1 設(shè)計背景 .......................................................... 2 污水國內(nèi)外排放、處理現(xiàn)狀 ..................................... 2 武漢市背景資料 .............................................. 3 設(shè)計資料 .................................................... 3 污水廠的設(shè)計原則 .................................................. 5 設(shè)計方案論證 ...................................................... 5 污水特征 .................................................... 6 處理工藝的比較 .............................................. 6 處理工藝的確定 .............................................. 8 工藝流程 .................................................... 8 2 污水處理系統(tǒng)設(shè)計計算 .................................................... 9 格柵 ............................................................. 10 一般說 明 .................................................... 10 主要設(shè)計參數(shù) ................................................ 10 工藝尺寸 .................................................... 11 水頭損失 .................................................... 12 渣量計算 .................................................... 13 污水提升泵房設(shè)計 ................................................. 13 提升泵站的設(shè)計說明及原則 .................................... 13 泵房型式及工藝布置 .......................................... 14 泵房設(shè) 計計算 ................................................ 14 泵位及安裝 .................................................. 16 曝氣沉砂池 ....................................................... 16 一般說明 .................................................... 16 設(shè)計參數(shù) .................................................... 17 沉砂池尺寸 .................................................. 17 沉砂量及排砂設(shè)備 ............................................ 18 曝氣系統(tǒng) .................................................... 18 A 段曝氣池和 B 段曝氣池工藝設(shè) 計 ................................... 19 一般說明 .................................................... 20 已知條件 .................................................... 21 設(shè)計計算 .................................................... 21 A 段中沉池 ....................................................... 31 設(shè)計說明 .................................................... 31 設(shè)計參數(shù) .................................................... 31 設(shè)計計算 .................................................... 32 中沉池設(shè)計草圖 ............................................. 35 B 段終沉池 (二沉池 ) .............................................. 35 設(shè)計說明 .................................................... 35 設(shè)計參數(shù) .................................................... 35 設(shè)計計算 .................................................... 36 二沉池設(shè)計草圖 .............................................. 39 接觸消毒池 ....................................................... 39 設(shè)計說明 .................................................... 39 設(shè)計參數(shù) .................................................... 40 設(shè)計計算 .................................................... 40 接觸消毒池設(shè)計草圖 .......................................... 41 計量設(shè)備 ......................................................... 41 設(shè)計說明 .................................................... 41 設(shè)計參數(shù)及要求 .............................................. 41 設(shè)計計算 .................................................... 42 3 污泥處理系統(tǒng)設(shè)計計算 ................................................... 44 污泥泵房設(shè)計 ..................................................... 44 設(shè)計說明 .................................................... 44 回流污泥泵房 ................................................ 44 剩余污泥泵房 ................................................ 44 集泥池 ...................................................... 45 污泥濃縮池設(shè)計計算 ............................................... 45 設(shè)計說明 .................................................... 45 設(shè)計參數(shù) .................................................... 46 設(shè)計計算 .................................................... 46 濃縮池草圖 .................................................. 47 污泥消化系統(tǒng)設(shè)計計算 ............................................. 47 設(shè)計說明 .................................................... 47 設(shè)計參數(shù) .................................................... 48 設(shè)計計算 .................................................... 48 消化池草圖 .................................................. 52 貯泥池設(shè)計計算 ................................................... 52 設(shè)計說明 .................................................... 52 設(shè)計計算 .................................................... 52 脫水機房 ......................................................... 53 設(shè)計說明 .................................................... 53 設(shè)計計算 .................................................... 54 4 污水處理廠總體布置 ..................................................... 55 平面布置 ......................................................... 55 平面布置概述 ................................................ 55 工藝流程布置 ................................................ 57 建筑物平面布置 .............................................. 57 污水處理廠管線布置 .......................................... 57 廠區(qū)綠化及預(yù)留空地 .......................................... 58 高程布置 ......................................................... 58 高程布置概述 ................................................ 59 污水高程布置計算 ............................................ 59 污泥管道高程布置計算 ........................................ 66 5 經(jīng)濟技術(shù)可行性分析 ..................................................... 71 6 環(huán)境影響評價 ........................................................... 72 施工過程中對環(huán)境的影響及對策 ..................................... 72 生態(tài)影響分析 ................................