DE型氧化沟的运行效果及交替模式处理工艺吕英俊

5155No．5SerialNo．155201110CHINAMUNICIPALENGINEERINGOct．2011DOI10．3969/j．issn．1004－4655．2011．05．011DE518029DE、、、。、、。DEX703．1A1004－4655201105－0028－032011－04－22“”8t/d。、1、、50km240。24t/d2008。15．7℃117d1106．5mm。DE1。、3。、、TDE1。1、BOD5/mg·L－1CODcr/mg·L－1SS/mg·L－1TN/mg·L－1NH3—N/mg·L－1TP/mg·L－1pH/·L－115030017030202～3－－18．56020207．716．5～8．51041120086～20106、2。2+DE+100%BOD5、COD、SS、NH3—N、TN、TP83．51%、84．18%、91．31%、89．19%、59．15%、67．15%。22008．06～2010．06/mg·L－1/mg·L－1/mg·L－1/%/%BOD513．3062．4046．705．1011．007．7083．51100COD83．30157．30128．8414．3037．8220．3884．18100SS82．90256．70135．258．3015．0011．7591．31100NH3—N9．6035．1422．130．206．402．3989．19100TN12．9051．1526．735．5017．1010．9259．15100TP1．205．282．350．621．000．7767．15100、、NH3—NTN、TP82DE20115。。C/N≥2．86C/P＞17BOD5/COD、BOD/TN、BOD/TP0．364、1．86、22．79。2、、。2DEDE。、、2。NO－3、NO－2NO－3、NO－2NH+4N22。。3。4。。32、。DE4～8h、。4。2DE。21105min。III。III、、。II。II。215min。II、IIII。3105min。IIIIIII。415min2I。、、30%～50%5。0．5～1．0h≥0．75h≥10%6。1、32、4。56%、44%。1、2、3、4。2、48h2、430min6。92DE20115。45%～55%＞90%。7。4。2、。2。、/、、。3。3ⅠⅡ－－★－－－－1▲－－－△－☆☆☆－★－－－2▲－－－△－☆☆☆☆－－－－－－3－▲－△－－☆☆☆－－★－－－4－▲－△－－☆☆☆☆－－－－－－3▲△★☆☆☆。。、。、、。5。5DE、、、、TN、TP、、、。1．M．2002141．2．、J．20083917－11．3．M．200653．4．J．20083437－10．5．J．19906656－60．6．M．200521－168．7vanGROENESTIJINJW．J．199730536－40．03ABSTRACTSKeywordsspecial-shapedarchbridgedynamiccharacteristicsnaturalfrequencyOnElasticCablesRepairing＆ReplacingConstructionTechnologyofCable-stayedBridgeZHAOXiao-maCCCCWuhanHarbourEngineeringDesign＆ResearchCo．Ltd．Wuhan430040ChinaAbstractTakingBaishazhouYangziRiverBridgeinWuhanforexampleitisatwinpylons＆twin-cableplanescable-stayedbridgewithfivespansbelongingtolongitudinalfloatingsystem．Theelasticcablesshallberepairedandreplacedaftertheserviceperiodof10a．Theremovingtechnologicalprocessandproceduresofsteelboxgirderoldelasticcablesareintroducedinthispaper．Ifthecableforceismonitoredtoarriveat50kNbeforecuttingthefeasibilityofrelevantremovingplanshouldbearguedagaintokeeptheconstructionsafety．Moreovertheassemblingtechnologicalprocessandconstructionproceduresofthenewcablesareintroducedandeveryindexcanmeetwiththedemandsofthedesignthroughmonitoring．Keywordscable-stayedbridgeelasticcablesreplacementconstructiontechnologyApplicationofChlorineDioxideinSewage＆WastewaterTreatmentsPENGHongShanghaiMunicipalEngineeringDesignInstituteGroupCo．Ltd．Shanghai200092ChinaAbstractThefeaturesperformanceofchlorinedioxideanditsgeneratorareintroducedinthispaper．Besidestheapplicationcasesandtreatmenteffectsofchlorinedioxideinthevarioussewage＆wastewatertreatmentfieldsaredescribedindetailincludingmunicipalsewagehospitalsewageindustrialcirculatingwateroil-fieldfloodingandchemicalwastewateretc．Finallytheresearchresultsofequipmentcorrosionbyaddingchlorinedioxidearegivenandthecorrosionrateofinjectionsystemisprovedofnoinfluencefromaddingchlorinedioxide．KeywordswastewatertreatmentplantchlorinedioxidechlorinedioxidegeneratoroxidationsterilizationAStudyofDE-typeOxidationDitchonItsOperationEffect＆TreatmentTechnologyofAlternatedModesLVYing-junShenzhenMunicipalDesign＆ResearchInstituteCo．Ltd．Shenzhen518029China88ABSTRACTSAbstractThroughananalysisofwaterqualityparametersofinflow/outflowandalternatedmodesofwastewatertreatmentinDE-typeoxidationditchofamunicipalwastewatertreatmentplantinJiangsuProvincethemechanismschedulingandalternatedalternatedwastewatertreatmenttechnologyareanalyzedandresearched．Itisfeasibleforalternatedmodesofwastewatertreatmenttechnologywiththecharacteristicsofsavingenergyflexibleoperationandlessarea．KeywordsDE-typeoxidationditchschedulingalternatedmodesOnPhaseIIDesignofDongjiaoWastewaterTreatmentPlantProjectinXinhuiAreaJiangmenCAOPing-anAnhuiGuozhenEnvironmentalProtection＆EnergyConservationScienceTechnologyCo．Ltd．Hefei230088ChinaAbstractTophaseIIprojectofDongjiaoWastewaterTreatmentPlantinXinhuiAreaJiangmenthewastewatervolumeofitisdesigned6×104m3/d．Sewagetreatmentwilladoptthesecondarysewagetreatmentprocessofpreconditioning+surfaceaerationoxidationditchdisinfectionusingultravioletdisinfectionprocesssludgetreatmentusingmechanicaldewateringprocess．Afteraperiodofrunning＆debuggingtheeffluentstandardcanmeettherequirementsofGuangdonglocalstandardandnationalGradeBstandard．Finallythedesignandrunningdataofthemainprocessareintroducedinthispaper．Keywordswastewatertreatmentplantoxidationditchremovingnitrogen＆phosphorusengineeringdesignAStudyofShanghaiMiddleRingPudongSectionNew-builtProjectGeneral＆InterchangeDesignJIANGYing-hongHUJia-pingShanghaiUrbanConstructionDesign＆ResearchInstituteShanghai200125ChinaAbstractConnectingPudongareaandPuxiareathenew-builtprojectoftheMiddleRingPudongSectionShangzhongRd．CrossriverTunnel-ShenjiangRd．isregardedasanimportantprojectbelongingtoShanghaiurbanexpresswayssystemnetworkconstruction．Thewholelinesetsup4hub-typedinterchangesJiyangRd．YanggaoRd．LuoshanRd．andShenjiangRd．Interchangesinthescopeoftheproject．Throughananalysisofnodestheinterchangespositionisdecidedandtheprojectplandesignisguided．KeywordstheMiddleRingPudongSectionhub-typedinterchangeinterchangepositioninterchangefunctionAStudyofEnvironment