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ID:31979053
大小:3.27 MB
页数:97页
时间:2019-01-30
《基于减排工艺优选的蒸汽动力系统多目标设计优化-研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ABSTRACTSteampowersystemisanindispensablepartofenergysysteminindustryandrequireslargequantitiesofenergy.Asenergysituationandenvironmentpollutionproblemsaremoreandmoreserious,howtooptimizethesteampowersystemstructureandmakethesystemlessoperationcost,higherenergyutilizationefficiencyandlessenvironme
2、ntalemissionsisanimportantapproachtosolveenergyandenvironmentalproblems.Firstly,thisthesisproposestheconceptofdesignoptimizationforsteampowersystemwhichisbasedontheoptimizationofemissionreductiontechnology.Withtheguidanceofintegratedmodelingidea,thesuperstructureofdesignoptimizationisestablishedwh
3、ichintegratessteampowersystemandallkindsofmatureemissionreductionprocess.Thispaperalsobuildsthemathematicalmodelsfortheboiler,gasturbineandsteamturbineunderdesignlevel.Atthesametime,thephysicalstructuremodelsofallkindsofmatureemissionreductiontechnologies,thecalculationmodelsofpollutionemissionsan
4、dtheenergyconsumptionmodelsforemissionreductiontechnologiesareallbeingestablished.Thedesignandoptimizationofsteampowersystemisacomplicatedsystemengineeringinvolvingmulti-aspectissues.Thesystembecomesmorecomplicatedafterintegratingemissionreductionprocesssystem.Thisthesisproposessolvingstrategyform
5、ulti-perioddesignofsteampowersystembasedonemissionreductionprocesssystemoptimizationonthebasisoftheformerwork,establishesmathematicalmodelofmultipletargetoptimizationdesignincludingeconomy,environmentalemissionimpactandenergyutilizationefficiency·Thenaccordingtotheactualcase,themulti-objectivedesi
6、gnoptimizationmodelisestablishedandsolvedbygoalprogramming.Besidesthemulti.objectivewhichintegrateseconomy,environmentalimpactandenergyefficiency,operabilityisalsoanimportantevaluationindexforthedesignofsteampowersystem.Thispaperpresentstheflexibledesignstrategyofsteampowersystemandanalysisthechan
7、gerulesoftheuncertaintieswhichhaveanimportantimpactonthesteampowersystem.Then,theMonteCarlomethodisusedtosimulatingthefailureprobabilitydistributionsituationofthesteampowersystemequipment.Intheend,theflexibledesi
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