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1、大通县农村环境连片整治项目一200n?/d污水处理站初步设计摘要近年以來，作为“中国五百粮食人县”之一的青海省大通县，在全省农村坏境连片整治项目中走在了全省各市县的前回。为改善城关镇周边农村环境，并带动全县农村连片整治项H的大跨步发展，人通县城关镇拟建一座污水处理站。污水处理站建设规模为200m3/d,通过比较各种农村污水处理工艺的优缺点，综合考虑大通县地域、经济水平，选用JS-BCI艺。即格栅后直接置预沉调节池,农村生活污水经预沉调节池、JS-BC装置、曝气池，再经消毒池消毒后排入河流。出水各项指标均达到《城镇污水处理厂污染物排放标准》(GB18918-2002
2、)中一级A标准；初步设计对各构筑物进行设计计算，通过比鮫各构筑物及设备的优缺点，并进行选型；产牛的污泥经过污泥池，浓缩后运出用作农肥。项H占地面积约为150n】2,建成后将产牛巨大的社会效益、经济效益和环境效益，极大改善城关镇居民的牛活环境，并使大通县农村环境连片整治项日得到进一步的落实。关键词：JS-BCI艺，农村环境连片整治项冃，初步设计TheRuralEvironmentalContiguousRemediationProjectsOfDatongCounty一ThePreliminaryDesignOf200m3/dSewageTreatmentStati
3、onABSTRACTInrecentyears,DatongcountyofQinghaiProvinceasoneofthe“fivehundredgraincountryofChina，',Walkinfrontoftheprovince'scitiesandcountiesinthecontiguousrenovationprojectoftheprovince'sruralenvironment.InordertoimprovethesurroundingruralenvironmentofChengguantown、Andpromotethebigste
4、poftherenovationprojectofthecountyruralcontiguousdevelopment、Chenggguantown,Datongcountygovernmentproposedasewagetreatmentstation・Thescaleofconstructionofthesewagetreatmentstationis200m'/d,onthebasisoftheregionandeconomiclevelofDatongcountry,andbycomparingtheadvantagesanddisadvantages
5、ofthesewagetreatmentprocess,selectinnovativeProcessofJS—BCintheend.Namelytheheavyregulationpondsdirectlyplacedafterthegrolle,ruralsewageaftertheheavyregulationponds,JS一BCdevice,aerationpool,thenthedisinfectionpoolbackintotheriver・Theindicatorsofdrainwaterconformtheurbansewagetreatment
6、plantemissionstandards(GBl8918—2002)level1Astandard;Andpreliminarydesignofvariousstructurestobedesignedandcalculated,andcomparingtheadvantageanddisadvantageofvariousstructuresandequipment,andcarryontheselection;Thesludgeproducedbysludgepond,madeofmudcakeonconcentration,usedforagricult
7、uralfertilizer・Other,thelayoutofthesewagetreatmentatation(includingthelayoutandelevationlayout).Theprojectcoversanareaofabout150squaremeters.itwillhaveatremendoussocial,economicandenvironmentalbenefits,willgreatlyimprovetheenvironmentofthepersons'living,andmadetheruralevironmentalcont
8、iguou
