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12萬(wàn)污水處理廠畢業(yè)設(shè)計(jì)(已修改)

2025-03-19 22:06 本頁(yè)面
 

【正文】 目 錄 1 緒論 ...................................................................................................................................... 1 項(xiàng)目概況 ...................................................................................................................... 1 城市排水狀況 .............................................................................................................. 1 設(shè)計(jì)依據(jù) ...................................................................................................................... 1 設(shè)計(jì)任務(wù)和范圍 .......................................................................................................... 1 水質(zhì)處理要求 .............................................................................................................. 2 進(jìn)水水質(zhì) ........................................................................................................... 2 出水水質(zhì) ........................................................................................................... 2 2 自然條件 .............................................................................................................................. 3 水文及水文地質(zhì)資料 .................................................................................................. 3 地貌地質(zhì)資料 .............................................................................................................. 3 氣象特征 ...................................................................................................................... 3 3 污水處理方案的確定 .......................................................................................................... 5 確定處理方案的原則 .................................................................................................. 5 污水處理方案的選擇 .................................................................................................. 5 預(yù)處理部分 ....................................................................................................... 8 生化處理部分 ................................................................................................... 8 二沉池 ............................................................................................................... 9 消毒池 ............................................................................................................. 10 污泥處理部分 ................................................................................................. 10 4 污水處理廠總體布置 ........................................................................................................ 11 污水處理廠平面布置 ................................................................................................ 11 污水廠的高程布置 .................................................................................................... 12 5 污水處理廠設(shè)計(jì)計(jì)算 ........................................................................................................ 14 水量水質(zhì)的確定 ........................................................................................................ 14 設(shè)計(jì)水量的確定 ............................................................................................ 14 設(shè)計(jì)進(jìn)水水質(zhì)的確定 .................................................................................... 14 設(shè)計(jì)出水水質(zhì)的確定 .................................................................................... 14 污水處理部分構(gòu)筑物設(shè)計(jì)計(jì)算 ................................................................................ 15 粗格柵設(shè)計(jì)計(jì)算 ............................................................................................. 15 污水泵房設(shè)計(jì)計(jì)算 ......................................................................................... 18 細(xì)格柵設(shè)計(jì)計(jì)算 ............................................................................................. 19 沉砂池設(shè)計(jì)計(jì)算 ............................................................................................. 21 A2/C 氧化溝設(shè)計(jì)計(jì)算 .................................................................................... 22 二沉池配水井設(shè)計(jì)計(jì)算 ................................................................................. 33 二沉池設(shè)計(jì)計(jì)算 ............................................................................................. 34 接觸消毒池設(shè)計(jì)計(jì)算 ..................................................................................... 37 污泥處理部分構(gòu)筑物設(shè)計(jì)計(jì)算 ................................................................................ 41 污泥濃縮池設(shè)計(jì)計(jì)算 ..................................................................................... 41 污泥貯泥池設(shè)計(jì)計(jì)算 ..................................................................................... 42 污泥脫水機(jī)房設(shè)計(jì)計(jì)算 ................................................................................. 42 水力高程設(shè)計(jì)計(jì)算 .................................................................................................... 44 污水高程設(shè)計(jì)計(jì)算 ......................................................................................... 44 污泥高程設(shè)計(jì)計(jì)算 ......................................................................................... 51 參 考 文 獻(xiàn) ............................................................................................................................ 55 致 謝 ........................................................................................................................................ 56 1 1 緒論 項(xiàng)目概況 佛山市近年來(lái)經(jīng)濟(jì)得到較大發(fā)展,城市建設(shè)和人口增長(zhǎng)較快,導(dǎo)致城市污水量大幅度增加。由于污水處理設(shè)施的規(guī)劃建設(shè)相對(duì)滯后,部分污水未經(jīng)處理就直接排入水體,使得受納水體受到污染,為防止水體污染狀況將 進(jìn)一步加劇,改善水環(huán)境質(zhì)量,保護(hù)水源,政府計(jì)劃建設(shè)本污水處理廠,一期處理規(guī)模為 12 萬(wàn) m3/d,集水面積約為 22km2。 城市排水狀況 城市排水系統(tǒng)由街道管網(wǎng)和支干河涌?jī)刹糠纸M成。佛山市禪城區(qū)現(xiàn)有下水道總長(zhǎng)314km,市區(qū)除少數(shù)道路外,一般道路及街道均已鋪設(shè)排水管?,F(xiàn)狀排水系統(tǒng)大多采用合流制,部分新區(qū)采用分流制,各排水系統(tǒng)分別排入汾江和東平河以及與其相通的河涌。建設(shè)的污水處理廠的排水系統(tǒng)服務(wù)范圍內(nèi)基本為雨污合流制,截流倍數(shù) n=1。 設(shè)計(jì)依據(jù) 任務(wù)書(shū)給出的原始資料、手冊(cè)、標(biāo)準(zhǔn)、規(guī)范及有關(guān)的專(zhuān)著。 具體有: 《給水排水工程快速設(shè)計(jì)手冊(cè) .排水工程》,于爾捷,張杰編; 《給水排水設(shè)計(jì)手冊(cè) .城市排水》(第 5 冊(cè)); 《給水排水工程師常用規(guī)范選》(上冊(cè)); 《室外排水設(shè)計(jì)規(guī)范》( GB501012021); 《廢水處理工藝設(shè)計(jì)計(jì)算》,崔玉川等編; 《水污染治理新工藝與設(shè)計(jì)》,婁金生等編著; 《污水處理新工藝與設(shè)計(jì)計(jì)算
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