帶有調峰熱源的集中供熱系統(tǒng)的熱力工況研究.pdf

1、北京建筑工程學院碩士學位論文帶有調峰熱源的集中供熱系統(tǒng)的熱力工況研究姓名：張迪申請學位級別：碩士專業(yè)：供熱、供燃氣通風及空調工程指導教師：李銳20100101AbstraetAbstractIthadputforwardhigherrequirementsforurbancentralheatingsystem嬲thecontinuouslyprogressofeconomyandcontinuouslyrisingwithpeople

2、’Slivingstandards，andtheurbancentralheatingsystemalsohaSbecomeanimportantcriterionforthelevelofurbanizationofacityThecentralheatingsystemsettingpeakadjustingheatsourcehaSgraduallybecomethemainformofurbancentralheatingsys

3、temforitsenergysaving，lowCostrunning，higheconomicefficiencyandsecuritystableandreliablesystemoperationInthispaperitsolvethehydraulicandheatbalancecalculationproblemsofmultiheat—producernetworkingbasedonnetworkgraphtheory

4、First，establishingthebasiccorrelationmatrixandbaSicloopmatrixusingofthetopologytheoryofspaceheatingnetworkobtainingthepipelineflowaccesstoMKP；Thenthepressuredropandtemperaturedropofpipelinecanbeobtainedusingtherelationsh

5、ipbetweenpipeflowandpressuredropaswellaStherelationshipbetweenpipeflowandtemperaturedrop，andthepressureandtemperatureofnodecanbegottoowiththerelationshipbetweennodesandpipeWeshouldpayattentiontothenumberingskillsandchain

6、branchingchoicewhendotheworkofestablishingpipenetworktopologystructureWeselectaheatingnetworkwithtwoheatsourcesandsevenheatusersinBeijingasthecomputationalobjectOneofthesetwoheatsourcesisthecellheattransferstationasthema

7、inheatsourceusedinthisareaandtheotherisdistrictboilerusedasthepeakingboilerinthisareaWecarriedoutthecalculationwiththreedifferentconditionsasfollowings：peakadjustingheatsourcefailure，peakadjustingcoefficientchangedandpea

8、kadjustingheatsource’SlocationchangedWemadeananalyzeandsummarizeforthecalculationresults。Soastoarriveoveroperatingcharacteristicsofthemultiheat—producernetworkingItCangivethetheoreticalsupportonthedebuggingonrunningforth