【正文】 06m3 t39。 故脫氮量 =48— 15— =△ SNO3=?6100/1000= 3）堿度平衡計(jì)算 已知產(chǎn)生 ，且設(shè)進(jìn)水中堿度為 250mg/L， 剩余堿度 =進(jìn)水堿度（以 CaCO3計(jì)）－ 氧化溝氧化的總氮量 +反硝化NO3— — N 的量 +去除 BOD5的量 = 33+ +（ 190－ 6.4） = mg/L 計(jì)算所得剩余堿度以 CaCO3計(jì)，此值可使 PH≥ mg/L 第一章 污水處理構(gòu)筑物設(shè)計(jì)計(jì)算 9 （ 2）計(jì)算硝化菌的生長(zhǎng)速率μ n 硝化所需最小污泥平均停留時(shí)間θ cm，取最低溫度 15oC，氧的半速常數(shù) KO2取 ， PH 按 考慮。3 2226h aaaa ?? = ? ? 322 .2 6 ????????，略大于 （ 7）沉砂室高度：采用重力排砂，設(shè)池底坡度為 ， 坡向砂斗的長(zhǎng)度則為： l2= 22L a = .1128 ?? h3=h339。 污水提升泵房有 3 臺(tái)水泵及 1 臺(tái)遠(yuǎn)期預(yù)留泵的空間，電機(jī)容量小于 55kw，相鄰機(jī)組間距應(yīng)不小于 ，故取間距 1m，泵房面積 ? ，高 12m。 各構(gòu)筑物的水面標(biāo)高和池底埋深見(jiàn)第三章的高程計(jì)算。s direction is from the sourth to north,and e across the Shenxiangou at the northeast of adopts the diffluencing plant adopts the major technology process for Orbal oxidation ditch and gravitate thickeners. The disposal water should e to the criterion of GB500142021. The technology has characterizes for shortperiod process, high efficiency, steady water quality, small rest solids and low fees for construction and operation, and so on. And what39。衛(wèi)東河水流由南向北與神仙溝在新鎮(zhèn)東北角匯合流向渤海灣，排水采用分流制。 Orbal Oxidation ditch 目錄 III 目錄 摘要 ................................................................................................................................. I Abstract ..........................................................................................................................II 第一章 污水處理構(gòu)筑物設(shè)計(jì)計(jì)算 .............................................................................. 1 泵前中格柵 ....................................................................................................... 1 設(shè)計(jì)參數(shù)： ............................................................................................. 1 設(shè)計(jì)計(jì)算 : ............................................................................................... 1 污水提升泵房 ................................................................................................... 2 設(shè)計(jì)參數(shù) ................................................................................................. 2 泵后細(xì)格柵 ....................................................................................................... 3 設(shè)計(jì)參數(shù) ................................................................................................. 3 設(shè)計(jì)計(jì)算 ................................................................................................. 3 沉砂池 ............................................................................................................... 4 設(shè)計(jì)參數(shù) ................................................................................................ 4 設(shè)計(jì)計(jì)算 ................................................................................................. 5 厭氧池 ............................................................................................................... 6 設(shè)計(jì)參數(shù) ................................................................................................. 6 設(shè)計(jì)計(jì)算 ................................................................................................. 6 氧化溝 ............................................................................................................... 7 設(shè)計(jì)參數(shù) ................................................................................................. 7 設(shè)計(jì)計(jì)算 ................................................................................................. 7 二沉池計(jì)算 ..................................................................................................... 14 紫外線消毒 ..................................................................................................... 15 流量計(jì) ............................................................................................................. 16 配水井、配泥池 ........................................................................................... 16 在沉砂池后設(shè)一配水井 ..................................................................... 16 . 2 在氧化溝前各設(shè)一個(gè)配水井，共設(shè)兩座 ........................................ 17 配泥井 ................................................................................................. 17 第二章 污泥處理構(gòu)筑物設(shè)計(jì)計(jì)算 .......................................................................... 19 回流污泥泵房 ................................................................................................. 19 設(shè)計(jì)說(shuō)明 ............................................................................................... 19 回流污泥泵設(shè)計(jì)選型 ........................................................................... 19 目錄 IV 剩余污泥泵房 ................................................................................................. 19 設(shè)計(jì)說(shuō)明 ............................................................................................... 19 設(shè)計(jì)選型 ............................................................................................... 19 污泥濃縮池 ..................................................................................................... 20 設(shè)計(jì)參數(shù) ............................................................................................... 20 設(shè)計(jì)計(jì)算 .............................................................................................. 20 貯泥池及污泥泵 ............................................................................................ 21 設(shè)計(jì)參數(shù) ............................................................................................... 21 設(shè)計(jì)計(jì)算 ............................................................................................... 22 第三章 高程計(jì)算 ........................................................................................................ 23 污水處理構(gòu)筑物高程計(jì)算 ............................................................................. 23 構(gòu)筑物水頭損失 ................................................................................... 23 管渠水頭損失 ....................................................................................... 23 污水處理構(gòu)筑物高程確定 ......................................................