空调节能技术的研究.docx
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空调节能技术的研究.docx
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空调节能技术的研究
英文原文
HowAirConditionersenergyconservationtechnologyresearch
1.Introductions
Theenergyconservationmaysayisthebuildingcharacterautomaticcontrolsystemstartingpointandthehometoreturnto.Itiswellknown,intheintelligentconstruction,HVAC(heating,ventilatesandairconditioning)thesystemconsumestohavetooccupythebuildingconsumptiontotalenergyenormouspartialproportions,approximatelyabout50%~60%.Speciallycold:
Easttheunit,thecoolingtower,thecirculatingwaterpumpandtheairconditioningunit,thenewatmosphereunit,allareconsumesenergythebighousehold.Thereforereallyhasessentialdevelopsoneeffectiveair-conditioningsystemenergyconservationmethod,especiallyusesisinimprovesintheexistingbuildingair-conditioningsystemautomationtheaspect.
DDC(Directdigitalcontr01)thedirectofnumericalcontrol,isastructuresimpleoperationeasycontroldevice,itmayborrowbytheconnectionswitchesovertheequipmenttomakethesystemscontrolalongwiththeloadchange,liketheairconditioningcoldwatercirculatorysystem,theairconditioningboxfrequencyconversionautomaticamountofwindadjustmentandthecoolingtowerradiationventilatorfrequencyconversionholdscontrolsandsoon,mayletanair-conditioningsystemmoreeffectiverevolution,likethis,notonlybringstheverybigeconomicefficiencyfortheestatemanagement,moreoveralsomaycausethesystemtomoveunderabetteroperatingmode,thuslengthenstheequipmenttheservicelifeaswellasachievedprovidesgoalofthecomfortableairconditioningenvironmentandtheenergyconservation.
Thegeneralbuildingcommonlyusedair-conditioningsystemhasCAV,VAV,VWVandsoon,respectivelyhasdifferentlyholdscontrolstheway,allmayuseDDCtocontrol.
1)decidestheamountofwindsystem(ConstantAirVolume,iscalledCAV).
Decidescertainlytheamountofwindsystemtheamountofwindwhichblowsoutfortheairconditionercertainly,providescoldly(iswarm)thegaswhichtheairconditioningregionneeds.Whenairconditioningregionloadvariation,thenchangestheblasttemperaturetodealwithintheroomtoshoulder,andachievesthemaintenanceindoortemperaturetothecomfortablearearequest.Thecommonlyusedcentralair-conditioningsystemisAHU(airconditioner)andthecoolingwaterpipesystem(theFCUsystem).Thesetwogenerallydecidestheamountofwind(CAV)tosupplytheairconditioningarea,inordertodealwithintheroomthepartialloadschange,decidestheamountofwindsysteminAHUtochangewarmbytheairconditionerblowsofprocesses,controlsinthegeneralFCUsystembycoldwatervalveON/OFFadjuststheblasttemperature.
2)changestheamountofwindsystem(VAV)
Changestheamountofwindsystem(VarlableAirVolume,iscalledVAV)istheairconditioner(AHUorFCU)maymovechangestheamountofwind.Thecommonlyusedcentralair-conditioningsystemisAHU(airconditioner)andthecoolingwaterpipesystemFCUsystem.Thesetwogenerallydecidestheamountofwind(CAV)tosupplytheairconditioningarea,inordertodealwithintheroomthepartialloadschange,decidestheamountofwindsysteminAHUtochangewarmbytheairconditionerblowsofprocesses,controlsinthegeneralFCUsystembycoldwatervalveON/OFFadjuststheblasttemperature.Howeverthesetwohaswastedthemassiveenergyontheblastsystem.Becauseinlong-termlowloadtimetheairfeederalsocarriesouttheentireamountofwindrevolutiontoconsumetheelectricity,thisnotonlyisnoteasytomaintaininthestableroomhumiditythecondition,alsowastesthemassiveblastsrevolutionenergy.Changestheamountofwindsystemisaimsattheblastsystemtoconsumetheelectricityshortcomingtheenergyconservationcountermeasure.
3)changesthecurrentcapacitysystem(VWV)
So-calledchangesthecurrentcapacitysystem(VariableWaterVolume,iscalledVWV),isenhancestheheatsourcemachinebythecertainwatertemperaturesupplyairconditionertheefficiency,butchangesbythespecialwaterpumpdeliversthewatervolume,whileconvenientachievessavestheeffectwhichthewaterpumpuseselectricity.ChangesthewatervolumesystemtodependonthewaterpumptothewaterpumpsystemenergyconservationefficiencythecontrolmodeandtheVWVuseproportionbutdifferent,whetherthereisthegeneralVWVcontrolmodesectionspeedchange(SP)andthebidirectionalvalvecontrolmode.Abovethreekindofair-conditioningsystemisthepresentbuildingairconditioningmostoftenthesystemwhichdesigns.Thecentralairconditioningcontrolalsoisthepipeline,thefitting,thevalvebodyorthevalvecentralismhypothesiscontrolfluidprovidestheairconditioning.Thereforeeffectivelycombinesthecentralairconditioningcontrolnamelytobeabletheactivecontroltoconsumeenergy,thedesignconformswiththeenergyconservationtheair-conditioningsystem.
Inrecentyears,theourcountrymajorityofareas,inparticularsoutheastthecoastalareasummertheairconditioningenergyconsumptionsuddenlywasrising,theairconditioninguseselectricitythetendencywhichincreasessharplytocausetheelectricalnetworkpowersupplytobeintense.Statisticshaveindicated,ourcountryeveryyeartheburninghotseasonairconditioningconsumedtheelectricitytooccupy1/3inrecentyearswhichtheentiresocietyuseselectricity,themassiveelectricalenergiesswallowbytheindustryandthecivilconstructionairconditioning,inparticularlarge-scaleconstructioncentralair-conditioningsystem,likeeachkindofcommercialconstruction(office,market,hospital,hotelandsoon)centralairconditioningbecauseitsspacebig,personcurrentcapacitymany,operationtimelong,managementcomplexcharacteristic,causesthemovementenergyconsumptiontobequitehigh,thecommercialconstructionairconditioningenergyconsumptionnearlyoccupiesitstotalenergyconsumption50%.Thecentralairconditioningdesigncapacityisaccordingtothebiggestloadcomputation,butinamajorpartbuildingyearonlyhasseveraldozensdaystimecentralairconditioningtobeatthebiggestloadcondition.Thecentralairconditioningcoldloadthroughoutisinduringthedynamicchange,likeeverydaysoonerorlater,eachseasoninturn,everyyearsamsara,theenvironmentandthehumanitiescondition,real-timewillbeaffectingthecentralairconditioningcoldload.General,italsogivesthegeneralenergyconservationcontroldomaintheworkerbroughtenormouslyhasdisplayedthetalentthespace.
Thepowerloadgapincreases,theelectricpowersupplytenseaspectwithdifficultyobtainsinrecentyearsrelaxes.Therefore,energyconservationinparticularelectricitysaving,notonlyhasthesignificantsocialsignificancemoreovertohavetheurgentpracticalsignificance.Positivelystudiesthedevelopmentpromotiongreenenvironmentalprotectionnewairconditioningtechnologyandtheequipment,thesuppressionairconditioningenergyconsumptionincreases,hasbecomethebuildingwarmlytopassairconditioningdomainurgentandthepopularresearchtopic.Thedependencetechnologyinnovation,thesysteminnovation,theenergyconservationfallsconsumes,enhancestheenergyuseefficiency,guaranteedareleastinthe"energyconsumption,intheenvironmentalpollutionsmallest"foundation,realizesthe"energyconservationfirst,structuremanyYuan,environmentfriendly"energydevelopmentalstrategy.
Inourtelecommunicationproduction,airconditioningenergyconservationsupervisoryworkweaker,theenergywastephenomenonisserious,thereforestrengthensairconditioningthemaintenancemanagementandthetechnologicaltransformations,mayachievetheenergyconservationthegoal.
2.Airconditioningenergyconservationsystemresearchsurvey
1)Throughtheloadcontrol,achievestheenergyconservationgoal.(a)Theburninghotseasonnewatmosphereloadoccupiestheentirecoldload25-40%,reducesthenewatmosphereload,reducesthenewatmosphereenergyconsumption,thechoicesmallestessentialnewamountofwind,alsocanachievethegoal.Butthenewamountofwindsmallestsupplyontheonehandthecountryhadthestandard,moreoverthenewamountofwindinsufficientwillaffecttheairquality,willendangerthehumanbodyhealth.(b)Outsidetheoptimizedconstructionthesurroundingprotectionstructureenergyconservationdesign,usestheheatpreservationthermalinsulationmaterialtechnology,reducestheairconditioningload,therealizationconstructionenergyconservation,butsimultaneouslyalsocausesthebuildingcostrise,thepromotiontoreceivethecertainlimit.
2)gatherscantheairconditioning.Gatherscoldlythroughtheice,avoidsthedaytimetouseelectricitythepeak,atnightstoresuptheairconditioningfreezingwaterrefrigeration,daytimedoesnotstarttheairconditioningmainengineonlytousetheaqueoussystemtocirculate.Thismethoditselfcertainlydoesnotconserveenergytheprovinceelectricity,butoptimizedtheelectricalnetworkpowersupply,toalreadyimplementedthetimesharingelectrovalencethearea,played"toeconomizedoesnotconserveenergy"therole,hadtheareapromotionsignificance.
3)watersourceheatpump.Isoppositesaystotheairandthesoil,thewateristhemostidealspatialtransfercoldheatsource,thewatersourceheatpumpalsothereforehastheenvironmentalprotection,ishighlyeffective,theenergyconservationandsoonthemultitudinousmerit,butourcountrywatersourceheatpumpengineeringresearchisnotverymature,compareswithsomedevelopedcountriesalsohasthecertaindisparity.Atthesametime,thewatersourceheatpumpalthoughhasverymanymerits,butreceiv
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- 空调 节能 技术 研究