城市污水换热器的方案对比与设计

30173201253ENERGYCONSERVATIONTECHNOLOGYVol.30Sum.No.173May.2012No.31222111000421500904TQ0515A10026339201203022805StructureContrastandDesignMethodofUrbanSewageHeatExchangerDUANWanjun1MAShijun2DINGLiqun2ZHANGChenghu21ShenyangHunnanheatlimitedliabilitycompanyShenyang110004China2SchoolofmunicipalandenvironmentengineeringHarbininstituteoftechnologyHarbin150090ChinaAbstractSewageheatexchangeristhekeydeviceintheurbansewagesourceheatpumpsystemThearticlesummarizesthebasicrequirementandcharacteristicwhichthesewageheatexchangershouldmeetintroducesandanalysesthecommonstructuresoftheheatexchangercomparativelyItindicatesthattheshelltubeheatexchangerisbetterthanheatexchangerwithwideflowchannelThendesignmethodforthesewageheatexchangerunderfourtechniqueconditioncombinationswhichareusuallyusedinprojectisconcludedaftergivingthebasicequationsoftheheatexchangerThedesignmethodofsew-ageheatexchangeruniversalrelationshipbetweenstructureperformanceparametersandflowchannelsizeofheatexchangerarereferencingsignificanceontheprojectdesignandoperationKeywordssewageheatexchangershellandtubewideflowchanneldesign201203062012042351108115200923021200231972115%822220%3%311234562253mm15420mm121233380100mm922hw=C1dud()mPrnK=C2umdm1hwduPrC10023m108n10304KC2C1mnQVtwtmdhAfULAeVeuH1Q=cVtw=Cm2udm1hULtmV=Afudh=4AfUL=CLu1d2htwtmCL=c4C2LQVdh2QAe=UL=QC2tmd1humAetwLdh3Ve=AfL=Q4C2tmd2hum22VetwLdh4H=CHu3dm075htwtmCHCLdhu2u1=dh2d()h11mL2L1=dh2d()h11mVe2Ve1=dh2dh1H2H1=dh2d()h13325mm20mm80mm30mm60mmC2=2625CL=4000CH=40m=081MW13503211MWtw=4tm=4u=1m/sAeLVeHm2mm3kPa435510366104810476610542512513673731793734511095574713119315282535284452093tw=4tm=44355m2uLVeHm/smm3kPa1010366104810476610132132144639514438257173141141207256619249532203twiQdtwfKHfutmm1Vtwo2ALN1k56k2hwhw371u=4VNd212Hf=Lu22=00055025d125d1mm3NTUNTUNTUm=Lu023=00921+()d12a02()kPr05d2NTUmNTUm=Hfu22=H()f01L1144NTUm=twtmm5tmm=twitzo=twotzi6ti=twitzi=tw+tmm75Q=cVtw86A=dNL9441tziuHf567tw=NTUm1+NTUmtwitzi10132104442tetmeuHf56tw=1exptwt()meNTUm+1exptwt()metwit()e11115551J2006361263692J200725273753J2006388132613294J201051166695J20092732012066J20102831951987J2008382582273DennisDSourlasOptimizationbaseddecouplingcon-trollerdesignfordiscretesystemsJChemicalEngineeringSci-ence200156469547104RBFJ20104021281325ZhangJianSunHexuZhangJiangtaoApplicationofAdaptiveFuzzySlidingmodeControllerforHeatExchangerSysteminDistrictHeating2008InternationalConferenceonIn-telligentComputationTechnologyandAutomation20088508546DRNNPIDJ20042481962007J20031833753778QIWeiguiCHENLieZHUXueliStudyonLeastsquaremodelingofheatengineeringobjectbasedontypicalsig-nalresponseJJournalofHarbinInstituteofTechnology2007141149J20003311111310J2009212270737076232