【正文】 ........................ 10 第三章 污水廠設(shè)計(jì)規(guī)模及工藝流程 ................................................................................................................... 12 污水廠廠址的選擇以及工藝流程的選擇 .............................................................................................. 12 污水廠廠址的選擇 .......................................................................................................................... 12 污水處理流程選擇 .......................................................................................................................... 12 方案論證 ............................................................................................................................................. 13 生物接觸氧化方案 .......................................................................................................................... 13 A2/O 方案 ...................................................................................................................................... 14 SBR 方案 ....................................................................................................................................... 15 污水處理方案的技術(shù)經(jīng)濟(jì)比較 ..................................................................................................... 15 污水廠設(shè)計(jì)污水水量計(jì)算 ......................................................................................................................... 16 污水廠設(shè)計(jì)水量計(jì)算 ...................................................................................................................... 16 污水處理程度計(jì)算 .......................................................................................................................... 16 一級處理構(gòu)筑物的設(shè)計(jì)及計(jì)算 ................................................................................................................ 17 ......................................................................................................................... 17 中格柵的設(shè)計(jì)與計(jì)算 ....................................................................................................................... 19 污水提升泵房設(shè)計(jì)與計(jì)算 ................................................................................................................ 20 細(xì)格柵的設(shè)計(jì)與計(jì)算 ...................................................................................................................... 21 沉砂池（采用平流沉砂池） ........................................................................................................... 23 初沉池的設(shè)計(jì)計(jì)算 ............................................................................................................................ 26 二級處理構(gòu)筑物設(shè)計(jì)及計(jì)算 .................................................................................................................... 30 設(shè)計(jì)參數(shù) .......................................................................................................................................... 30 山東建筑大學(xué)畢業(yè)設(shè)計(jì)說明書 Ⅴ 平面尺寸計(jì)算 ................................................................................................................................. 32 進(jìn)出水系統(tǒng) ...................................................................................................................................... 33 其他管道設(shè)計(jì) .................................................................................................................................. 35 剩余污泥量 ...................................................................................................................................... 35 .............................................................................................................................................. 37 二沉池的設(shè)計(jì)及計(jì)算 ...................................................................................................................... 42 三級處理（深度處理） ............................................................................................................................... 46 ...................................................................................................................................................... 46 ............................................................................................................................. 47 平面尺寸計(jì)算 .................................................................................................................................. 47 濾池高度 .......................................................................................................................................... 48 配水系統(tǒng) .......................................................................................................................................... 49 洗砂排水槽 ...................................................................................................................................... 54 濾池反沖洗 ...................................................................................................................................... 56 進(jìn)出水系統(tǒng) ...................................................................................................................................... 57 ............................................................................................. 58 消毒接觸池的設(shè)計(jì)及計(jì)算 ................................................................................................................ 59 消毒劑的選擇 ................................................................................................................................. 59 消毒劑的投加 ................................................................................................................................. 59 平流式消毒接觸池 .......................................................................................................................... 59 計(jì)量設(shè)備 ..........................