熱電廠母管制給水系統靜態(tài)特性仿真及優(yōu)化運行的研究.pdf

1、東南大學碩士學位論文熱電廠母管制給水系統靜態(tài)特性仿真及優(yōu)化運行的研究姓名：屈天章申請學位級別：碩士專業(yè)：動力工程及工程熱物理；動力機械及工程指導教師：韋紅旗201103東南大學碩士學位論文ABSTRACTIt’SatrendintheglobalindustrytoimprovetheresourcesusingrateandreduceenvironmentalcontaminationUnderthecasethatnewclean

2、resourceshaven’tbeenusedinlargescale，it’SstillsignificanttoimprovetheprocessoftraditionalresourcesIntheChinesethermalpowerplants，forthediversityoftheamountandcapacityofturbinesandboilers，theyusuallyadopttheheadertypefeed

3、watersystem(HTFS)todistributefeedwatertoturbinessystemInHTFS，sincethepowerconsumptionofrunningboilerfeedwaterpumps(BFP)takelargeaccountforthehousepowerconsumptionit’SanaccesstoprobethewayofenergysavingSincetheamountofBFP

4、islarge，andonlypartofthemalerunningtherealenumerouscombinationsofrunningpumpsandtheiralternativesnliscausesthatthedifferentcombinationcorrespondstodifferentpowerconsumptionunderthesamefeed—waterload，andalsothedifferentfl

5、owinthehigh—pressureheaters(HPH)，whichisnaturallydistributedaccordingtesistanceofHTFSandaffectsdirectlytheturbines’powergenerationsTherefore，theoptimalrunningofHTFS，whichmeansthesearchofthepumpcombinationwithminimumpower

6、consumptionrequiressyntheticconsiderationsofthetwofactorsrelatedabove111epreviousworksadoptsmathematicmodelingtoanalysisseparatelytheoptimalrunningofBFPandvariationsofflowinHPH，whichmeanstheyignoreboththetwosystems’relat

7、ionshipandresistanceofHTFS，andthemodelitselfiSdifficulttobesolvedTherefore，thearticleadoptssimulatingsottwareAPROStoconstructthemodels，whichbasedoncomputergraphicsmodelingandautocalculating，avoidingthedirectfacingofmathe

8、maticequationsandtheftsolutions，sowecailfocusontheanalysisoftherunningcharacteristicoftheestablishedmodelThearticleelaboratesthesetandinnercalculationmethodoftheAPROSmodules，andalsohowtocombinethemintoathermalsystemOnthe

9、establishedmodeloffeed—watersystem，itsrunningcharacteristicsareresearchedandtheprincipleofpumpcombinationisprovided；Onthemodelofturbinessystemtherelationisdescribedwhichisbetweentheturbines’feedwaterdeviationandpowerdevi

10、ationcomparingwiththeirunitrunningthisworkmakesthequantitativeanalysisfeasibleforthepumpcombinationsthateffectthepowersofturbinesCombiningthetwosimulatingresultsandtheproducinginvestigationonsite，weCallfmdoutoptimalcombi

11、nationsforthecurrentprocessthismakesthearticlevaluableinapplicatingaspectEventually，therealizeofthisprojectCallnotonlyreducethepowerconsumptionbutalsoimprovetherunningandmonitoringabilityofHTFSit’Ssignificanttoimprovethe