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1、河海大學(xué)文天學(xué)院本科畢業(yè)論文摘要現(xiàn)如今我國社會(huì)發(fā)展迅速，尤其是經(jīng)濟(jì)，隨之而來的就是更多的環(huán)境污染，因此現(xiàn)在更多的人對(duì)環(huán)保投入了更多的注意，而在所有這些環(huán)境污染中，水污染是一個(gè)十分嚴(yán)重的問題，沒有水，人類就無法存活，水資源對(duì)我國社會(huì)的長期發(fā)展尤為重要。與此同時(shí)我們也可以看到，水治理工程在我國得到了蓬勃的發(fā)展，全國大多的城市都對(duì)老城區(qū)的給排水管網(wǎng)進(jìn)行了改造，并且還興建了一大批污水處理廠對(duì)城市的生活污水，工業(yè)廢水進(jìn)行處理。本設(shè)計(jì)是江蘇省南通市市老壩港的污水處理廠的設(shè)計(jì)。其設(shè)計(jì)內(nèi)容主要包括：污水處理廠工程。本次設(shè)計(jì)均采用了國家最新的相關(guān)規(guī)定、標(biāo)準(zhǔn)和設(shè)計(jì)規(guī)范。據(jù)計(jì)算，確定污水處理廠的遠(yuǎn)期規(guī)模為16800

2、噸/天，考慮到該地區(qū)夏季主風(fēng)向?yàn)楸泵娣较蚣昂恿髯呦颍鬯畯S將修建在老壩港的東部。結(jié)合污水的水質(zhì)情況，經(jīng)過方案比較，本設(shè)計(jì)采用卡魯塞爾氧化溝為主處理工藝。經(jīng)處理后的污水排入北凌河。污水處理流程如下：原污水→中格柵→提升泵站→細(xì)格柵→沉砂池→氧化溝→二沉池→消毒池→出水。關(guān)鍵詞:污水處理廠;卡魯塞爾氧化溝；二級(jí)處理。61河海大學(xué)文天學(xué)院本科畢業(yè)論文ABSTRACTNowadays,oursocietydevelopsrapidly,especiallytheeconomy.Thefollowingresultismoreenvironmentpollution,somanypeoplehavepa

3、ymoreattentiontoenvirmentprotection.Ofallthesepollution,waterpollutionisaseriousproblem,nowater,nolife.Waterresourcebecomesmoreimportantconsideringthelong-termdevelopmentofoursociety.AtthesametimewecanseewatertreatmentprojecthavegotafastdevelopmentinChina,Thecityinthewholenationalmostreformdrainpipe

4、net.Andstillbuiltthedirtywateroflargequantitydisposalthefactorytodiscardthewatertoproceedtohandletocity.ThisprojectisadrainagedesignfortheLaobagangofNantongcityinJiangsuprovince.Thedesignmainlyincludeswastewatertreatmentplan.Andthisdesignrestsonthenationallatestrelatedstipulation,thestandard,andthed

5、esignstandard.IthasbeencalculatedanddeterminedthatthedesignsaleofsewagetreatmentplantinLaobagangis16800t/d,inforward.Takingintoaccounttheprevailingwinddirectioninsummerandtherunningdirectionofriver,thewastewatertreatmentplantwillbebuiltintheeastdistrict.Combinedwiththewaterqualityofeffluentafterthep

6、rogramcomparison,thisdesignusestheTheAnaerobic-Anoxic-Oxicasthemainprocess,whichcanbeeffectiveatremovingnitrogenandphosphorus,andmeetthedesignrequirements.ThetreatedsewagewillbedischargedintotheBeilingriveratlast.Sewagetreatmentprocessisasfollows:Rawsewage→Thegrid→Pumpstations→Finegrid→Gritchamber→C

7、arrouseloxidationditch→Secondarysettlingtank→Disinfectiontank→OutofWater.Keywords:WastewaterTreatmentPlant;Carrouseloxidationditch;Takingoffthenitrogenandthephosphorus;Secondarytreatment.61河海大學(xué)文天學(xué)院本科畢