住宅室内采暖系统节能设计方案Energysavingdesignschemeofresidentialindoorheatingsystem培训讲.docx
《住宅室内采暖系统节能设计方案Energysavingdesignschemeofresidentialindoorheatingsystem培训讲.docx》由会员分享,可在线阅读,更多相关《住宅室内采暖系统节能设计方案Energysavingdesignschemeofresidentialindoorheatingsystem培训讲.docx(8页珍藏版)》请在冰豆网上搜索。
住宅室内采暖系统节能设计方案Energysavingdesignschemeofresidentialindoorheatingsystem培训讲
住宅室内采暖系统节能设计方案(Energysavingdesignschemeofresidentialindoorheatingsystem)
Theenergy-savingdesignofresidentialindoorheatingsystem
Energyconservationisalong-termstrategicpolicyofchina.TheChinesegovernmentattachesgreatimportancetoenergysavingwork,especiallyafterthereformandopeningupenergy-savingworkappearedthrivingsituation.Energysavingfortheheatingindustrypotentialisquitelarge.Theheatingindustryislargeenergyconsumption,energyconsumptionexpenditureoccupymostofitscost.Becausethepreviousresidentialheatingheatfeeaccordingtothearea,thereismuchirrationality,andisnotconvenientfortheusersoflocalregulation,causinggreatwasteheatheating.Withthecontinuousdevelopmentoftheimprovementofpeople'slivingandheatingbusiness,toachievetheheatingsystemwithheatmeteringandindependentcontrolismoreandmorehigh.
Inrecentyears,suchproblemsinheatingsystemdesignhasbeenpaidmoreandmoreattention.Soitisnecessarytomeettheneedofheatmeteringchargesbyusingmoresuitableformsofheatingsysteminnewresidential.Insuchproblems,especiallyshouldpayspecialattentiontotheenergyutilizationprocessbefore,namelythedesignoftheheatingsystemintheplanning,shouldconsidertheprospectsofenergysavingandeconomicbenefitofthesystem.TheMinistryofconstruction"construction"95"planandthe2010plan"clearlypointedoutthat"thecivilconstructionandinstallationofcentralheatingheatmeterandrelatedregulatingequipmentandmeteringwork,1998throughpilotsuccess,begantopromotetheimplementationofsmallareain20002010inthenewkeycity,comprehensivepromotion".Therefore,inthedesignofindoorheatingsystem,thedesignershouldconsidertheneedsofusersofhouseholdheatandroomtemperaturecontrol.Accordingtopreliminaryestimates,takehouseholdmeteringheating,heatingandenergysavingcanbeachievedmorethan20%.Inthispaper,severalkindsofhouseholdmeteringheatingsystemforananalysis.
2,thebasicformoftheoldheatingsystemanditsadvantagesanddisadvantages
Foralongtime,basicallyadoptsthesingleverticalsystemdesigndesignofcityresidentialindoorheatingsysteminchina.(Figure1)thisdesignhasmanyadvantages:
1simpleandconvenientconstructionsystem;2;3lowcost,butalsohassomedefects,isnotconvenientfortheusersoflocalregulation,thuscausingawasteofenergy.Withthechangeofenergystructureandenergysavingandpropertymanagementrequirements,thisproblemismoreandmoreobvious,theheatingsystemhadtobereplaced.
Withthedevelopmentofoursocialistmarketeconomy,"hot"istheviewofcommoditieshasgraduallybeenrecognizedandacceptedbypeople.Thetraditionalmethodofbackwardconstructionareabyclearingfees,isneitherscientificnorreasonable.Hasbeenunabletomeettherequirementsofsocialistmarketeconomicsystemmustbereformed,meteringandcharging.Heatingchargesbytheplannedeconomyperiodofthewelfaresystemtosocialistmarketeconomicsystem,namelytheusertoheattheheatingenterprisespayheatingfee.Theuserofenergy-savingheatingsystemmoreandmoreattention.Singlepipeverticalheatingsystemdefectsmoreandmoreobvious,thedisadvantagesinthefollowingaspects:
2.1systemdoesnothavetheabilityofindividualadjustment
Themaindisadvantageofsinglepipeverticalheatingsystemisnotconducivetolocalregulation,toimproveandmeetthethermalcomfortrequirementsofheatusers.Andbecausethesystemisthefirsthotwaterforresidentialbuildingstothetop,thenturndowntotheuser,whichintheorycausedbytheheattransfercoefficientofKradiatorheatusersondifferentfloorsofthevaluesarenotequal.Theresultingtopbottomoverheatingtoocold,unevenphenomenon.Thetopuseroverheatingonlythroughtheopendoorsandwindowswaytolettheheattoreducetheindoortemperature,whichresultedinawasteofenergy.Ifbyadjustingthehotwaterflowtoreducetheroomtemperature,itwillcausethefollowinglayersofsupercoolingphenomenon.Secondly,thesystemisunabletoeachroomseparatelyadjusted,resultinginawasteofenergy.
Awasteofenergy2.2systemmaintenance
Thesinglepipeverticalheatingsystemisanintegralpartofthehotwatercirculationsystem.IfthesystemhasafacilityWaterLeakageorblocked,thewholesystemwillbeaffected.Maycausethewholebuildingstopforserious;andwillcausealotofhotwaterinthemaintenanceofthewaste,
Inthecoldareasmayappearseriousproblemssuchaswatersupplypipeburst,causingunnecessaryaccidents,affectingthenormallifeoftheresidents.
2.3isnotconducivetothemanagementofheatingDepartment
Foruserswithdifficultheatingfeearrears,ifyouwanttostopindividualuserheating,mayaffecttheentireresidentialbuildingforstop.Oftenthisdown,heatingenterprisestomakeendsmeet,yearsoflosses.
2.4idleresidentialenergywaste
Astheindoorheatingsystemisatubeseries,soeachlayer,eachhousemustuseheat,otherwisethesystemwillnotworkcorrectly.Ifsomeusersdonotwanttouseheatorsomeresidentiallongidle,thiswillinevitablyleadtoawasteofenergy.Atpresentinsomenonheatingandheatinginresidentialdevelopmentareas,thisphenomenonisveryprominent.
Thedevelopmentprospectandcontrolprinciple,3householdmetering
Atpresent,inourcountry,thestudyofhouseholdmeteringsystemhasjuststarted,mostoftheminthetrialstage.Theindoorheatingsystemfortheoriginalsingleandverticalsystem,lackofindependentadjustmentability,heatusersiscommoditywithoutadeepunderstandingofheat,lackofawarenessofenergysaving,onlytheenergyconsumptionofresidentialheatingunitsinChinaareaisabout2timeshigherinadvancedcountries,anddoesnotfacilitatetheheatingsectormanagement.Accordingtothehouseholdmeteringheatingsystemheatingisthedirectionofdevelopment,istheonlywaytosolvedifficultchargeandsaveenergy.Withtheimprovementoflivingstandardspeoplearenolongersatisfiedwiththefullandwarm,buttheconstantpursuitofhighquality,highqualityoflife.InJiangsuHuaianCity,newhousingeachyearnearlyonemillionsquaremeters,thenewresidentialmostlyintheapplicationofindoorheating,andtheHuaianmunicipalgovernmentiscurrentlyonlyWestcourtyardheatingsystem.Becausethecityresidentialindoorheatinghasjuststarted,soitshouldbeattheforefrontofheatingintheformofpromotion,promotionprospectstheimplementationofsinglehouseholdheatingintheformofcontrolisveryconsiderable.
Thecharacteristicsofhouseholdmeteringheatingsystemiscontrolledindividuallyforeachuserthatisindependentofeachhouseholdheating,usingawatersupplyandreturnsystem,atablesystem,theusercanseparateregulation,shutdown,metering,doesnotaffectotherusers.Toachievethefundamentalmethodofhouseholdmeteringpurposeistocontroltheuserindependentsystem,thespecificapproachistosetthetableandtheheatradiatorinstalledonthevalveinthehouseholdwatersupplyattheentrance.Byadjustingtheradiatorheatingroomtemperaturetosatisfythehumanthermalcomfortrequirements.Implementationmethodofradiatoradjustment,mainlybycontrollingtheheatdissipation,tomeetthetemperaturerequirements.Thecurrentregulationisachievedmainlydependsonindividualradiatorradiatorhotwaterflowintotheflowchange,butmustnotaffectthewholesupplyregulationmethodinradiatorregulation,ismainlycontrolledbytheheatdissipation,tomeetthetemperaturerequirements.Thecurrentregulationisachievedmainlydependsontheindividualradiatormethodchangesintotheflowradiatorwaterflow,butmustnotaffectthehydraulicstabilityofheatingsystemintheradiatorheatingsystemregulation,sotoimprovetheregulationandcontrolmeasuresandahighlevelofoperationandmanagement.Otherwise,itisdifficulttoachievethetruesenseofthehouseholdmetering.
4,suitableforhouseholdmeteringheatingsystem
4.1singlecontrolheatingsystem
4.1.1horizontalonepipesystem
Horizontalonepipesystemisarelativelycommonheatingsystem.Itisatotalofsupplyandreturnwatersystemisprovidedineachapartment(calledsystem),eachuserisasmallindependentsystem.Thetotalsupplyandreturnwaterriserpipeinthekitchenbythestairs,eachlayerofsupplyandreturnwaterincontactwiththelargesystem(eachlayeronlyhouseholds),andadjustthevalveisshutoffandheatmeteringsysteminthesmallentrancepipeline,sothatthehouseholdheatmeteringandcharging.Theadvantagesofthissystemare:
verticalriserwearfloor,doesnotaffectthewalldecoration;theshortcomingis:
cannotcontrolroomtemperature;eachradiatorshallairvalve;pipeline,thebalconymustpass.4.1.2(singlelevelcrossingsystem
Figure3thesystemprinciplediagram,withthesametypeofhorizontalseriesonepipesystem,usingalargesystem,thesystemofsupplyandreturnwaterpipearrangedinthepipelinewell.
Thisdesignschemeshouldbeaddedandtheradiatorgroupnumbercorrespondingtothenumberthreevalve,controlthemaximumflowintotheradiatorforcirculatingflow30%.Theadvantagesofthismethodare:
toachieveroomtemperaturecontrol;verticalriser,doesnotaffectthewalldecoration;theshortcomingis:
ancillaryequipmentinthepipeline(threevalve);pipelinedoor,balconyshouldhandleeachradiatorcoldairvalveshallbeprovided.
4.2pipeheatingsystem
4.2.1doubleriserparallelsystem
Forthe