常用曝气系统在城市给水工程中的应用对比何树龙

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36720117ENVIRONMENTALSCIENCEANDMANAGEMENTVol.36No.7July20112011-03-221975-。1674-6139201107-0118-03150086。、、。。X703.1ACompetitiveStudyofCommonAerationSystemApplicationinUrbanWaterSupplyProjectHeShulongGeneralPharm.FactoryHarbinPharmaceuticalGroupCo.Ltd.Harbin150086ChinaAbstractAsbiologicalpretreatmentprocessofurbanwatersupplyprojectbiologicalcontactoxidationhasbeenappliedwidelyinpracticalapplication.ThispaperbrieflyintroducestwokindsofaerationsystemsMicroporousAeratorAerationSystemandPerforatedPipeAerationSystemusuallyadoptedinpretreatmentprocessofwatersupplybiologicalcontactoxidation.Thecomparativeanalysisofoxygenationcapacitysystemcostoperationcostandoperationmanagementofthesetwokindsofaerationsystemswereconductedinconnectionwithpilottestandprojectpractice.ResearchesshowthatMicroporousAeratorAerationSys-temoutperformsPerforatedPipeAerationSysteminsewagetreatmentplantaerationsystemapplication.Keywordsmicroporousaeratorbiologicalcontactoxidationpondperforatedpipeoxygenationcapacityoperationcost。。、、。。1。。。0.7。1。2。1klash-12dc/dtmg/l.h3r0kgo2/h4ea%5epkgo2/kw·h。2.1aba0μm~200μm·811·36720117·Vol.36No.7July20114.5m4m。b1mm4.1m2m。28℃。。1。11234567891011*KLaSdc/dtR0EAEp℃mm2kg/cm2m3/hμmh-1kgO2/m3·hkgO2/h%kgO2/kW·hA284.51.280.7145.00~2006.010.0550.3222.95.42B284.10.760.7143.010004.040.0370.1215.03.39*4m3/m2·h。2.22.2.111。。。。16ab7、8klasdc/dtb。2klas。eaep。110、11aeaepb。ab。2.2.2a、bab。a。ab。34m3/d560m24.5mydtabs。。3.110.72.8m3/d。19.4m3/min49kpa30kw。300mm。。100mm0.6mabs。0.5m21200。214m3/d。27.8m3/min49kpa37kw。350mm。。abs25mm2mm~3mm1.5m~2.0m。3、、、、、。19996035。3.2。0.7/kw·h24·911·36720117·Vol.36No.7July2011。30kw262800kw·h18.437kw324120kw·h22.7。4.3。4.3。3.3115、4/2.3/。24.8/23.2/27.5/。34m3/d1460m3/4+23.2/1460=0.0186/m31.86/m32.3+27.5/1460=0.0204/m32.04/m3。4。1。abs。。。。。。。。。2。3mm1mm~2mm。3mm。。。。、。51。、、50%~60%。20.1~0.2/m3。3。。。·021·

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