【正文】 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 設(shè)計(jì)計(jì)算 ..................................................... 14 ................................................ 15 .............................................. 16 ： .............................................. 16 . 設(shè)計(jì)計(jì)算 ................................................... 16 .................................................. 17 . 沉砂池的選型： ............................................. 17 設(shè)計(jì)參數(shù)確定 ................................................ 17 池體設(shè)計(jì)計(jì)算 ............................................... 18 氧化溝池體設(shè)計(jì)計(jì)算 .................................... 19 ： .................................................. 19 .................................................... 19 ........................................ 23 .............................................. 23 .............................................. 23 .................................................. 25 ： ........................................ 25 ................................................ 26 ...................................................... 26 ： .................................................. 26 ： .................................................. 26 ............................................... 27 ........................................... 27 ......................................... 28 ......................................... 28 ......................................... 28 設(shè)計(jì)參數(shù) .................................................... 28 設(shè)計(jì)計(jì)算 .................................................... 28 ................................................. 29 蒲城縣污水處理廠工藝設(shè)計(jì) ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 裝 ┊ ┊ ┊ ┊ ┊ 訂 ┊ ┊ ┊ ┊ ┊ 線 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ . 污泥量的計(jì)算 .............................................. 30 . 貯泥池池體積算 ............................................ 30 ............................................. 30 ................................................. 30 方案二 A2/O工藝 ...................................................... 31 .............................................. 31 . 格柵尺寸計(jì)算 ............................................... 31 ............................................ 32 .............................................. 33 ： .............................................. 33 . 設(shè)計(jì)計(jì)算 ................................................... 33 .................................................. 34 ： .............................................. 34 ................................................ 35 ................................................ 35 .......................................... 36 .............................................. 36 .............................................. 36 ： .................................................. 38 .................................................... 38 ........................................ 42 .............................................. 42 .............................................. 42 .................................................. 44 ： ........................................ 44 ................................................ 44 .............................................. 45 ： .................................................. 45 蒲城縣污水處理廠工藝設(shè)計(jì) ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 裝 ┊ ┊ ┊ ┊ ┊ 訂 ┊ ┊ ┊ ┊ ┊ 線 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ： .................................................. 45 ............................................... 46 ........................................... 46 ......................................... 46 ......................................... 47 ......................................... 47 設(shè)計(jì)參數(shù) .................................................... 47 ................................................. 48 ............................................... 48 ................................................... 48 ............................................. 49 ................................................. 49 第三章 投資估算 .................................................... 49 Carrousuel 氧化溝工藝的投資估算 .................................. 49 工程投資計(jì)算書 ............................................... 49 污水處理成本計(jì)算 ............................................. 51 A2/O 工藝的投資估算 .............................................. 52 工程總投資計(jì)算書 ............................................. 52 污水處理成本計(jì)算 ............................................. 53 第四章 水力及高程的設(shè)計(jì)計(jì)算 ....................................... 55 . 污水處理構(gòu)筑物的高程設(shè)計(jì) ....................................... 55 高程設(shè)計(jì)計(jì)算 ................................................. 55 污泥高程設(shè)計(jì)計(jì)算 ............................................. 58 第五章 組織機(jī)構(gòu)、勞動(dòng)定員及工程項(xiàng)目編制計(jì)劃 ....................... 60 ......................................................... 60 ： ................................................... 60 第六章 致謝 ........................................................ 62 第七章 參考文獻(xiàn) .................................................... 63 蒲城縣污水處理廠工藝設(shè)計(jì) 第 1頁 共 63 頁 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 裝 ┊ ┊ ┊ ┊ ┊ 訂 ┊ ┊ ┊ ┊ ┊ 線 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 前 言 長期以來，城市污水處理均以去除有機(jī)物和懸浮物為目的，其工藝為普通活性污泥法．該法對(duì)氮、磷等無機(jī)營養(yǎng)物去除效果很差．一般來說 *1，氮的去除率只有 20％～30％，磷的去除率只有 10％～ 20％．隨著大量的化肥、農(nóng)藥、洗滌劑等高濃度氮、磷工業(yè)廢水的排出，導(dǎo)致城市污水中 N、 P 濃度急劇增加，從而引起水體中溶解氧降低及水體富營養(yǎng)化，同時(shí)影響了處理后污水的復(fù)用．所以，要求在城市污水處理過程中不僅要有效地去除 BOD 和 SS，而且