欢迎来到天天文库
浏览记录
ID:36576259
大小:2.70 MB
页数:90页
时间:2019-05-12
《燃煤电站锅炉吹灰优化的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、东南大学博士学位论文燃煤电站锅炉吹灰优化的研究姓名:高正平申请学位级别:博士专业:动力机械及工程指导教师:徐治皋20030301东南大学博士学位论丈6.针对吹灰具有半结构化问题的特性,在吹灰优化运行指导中引入专家系统,介绍了吹灰运行指导专家系统的设计、实现及其工作过程。在此基础上,以智能决策支持系统(IDSS)的架构建立了电站锅炉吹灰优化运行系统,能够定量与定性相有机结合来处理吹灰问题。介绍了SOOS系统的功能及它与机组运行优化系统的集成方案。关键词:电站,燃煤锅炉,结渣特性,灰污监测,清洁因子,吹灰周期,吹灰优化,专家系统II—东南大学博士学住论文AbstractDomesticp
2、owerstationsmostlytakecoalastheirfuel.Duringtheoperationofcoal—friedboiler,theinteriorsurfacesinevitablyencounterfoulingproblems.Foulingearlhasalladverseeffectonthesecurity,reliabilityandeconomyofunits.Sootblowingisaneffectivemethodtocleanfoulingandenhanceboilerheatingsurfacesperformance.Butitu
3、sesalotofenergy,anddisturbstheoperatingcondition.Excessivesootblowingalsoshortensurfaceslife.Withthegrowingcompetitivenessinelectricitymarket,powerstationschangetobumcheapandlowpropertycoal,whichmakesfoulingmoreserious.Therefore,foulingmonitoringandsootblowingoptimizationbecomethehotresearchiss
4、ue.Accordingtotheshortageintherelevantdomains,thisdissertationaddressesfoulingmonitoringandsootblowingoptimizationincoal·fLm.Autilityboilers.ThedissertationcontentCanbedescribed勰follow:1.Throughintroducingthetwonewindexes---thehighestdimensionlessfurnacetemperatureandthedimensionlessactualimagi
5、narycirclediameterinfurnace,theslaggingaSsessmentindexsetisimproved.ThisdissertationutilizestheroughsettheoryinthedeterminationonthecomprehensiveaSsessnlcntweightingcoefficient,andadoptsgreyclusteringcomprehensiveassessmentmethodtoassesstheslaggingcharacterofboilers.Fromthepointofslaggingcharac
6、ter’theguidanceaboutcoalblendingispresented.2.Thisdissertationin订oducescondition-basedmaintenanceideologytotheboilersootblowing,andemphasizesthatsootblowingoptimizationshouldbebasedontherealfoulinglevel.Afteranalyzingthefoulingprocesscharacterinthefurnace,thefurnaceexittemperatureischosenasthem
7、onitoringindex.ThemodifiedcomprehensivemonitoringindexIfo“螈isalsopresented.TllisdissertationuSeSthesoft-sensingtechniquetosolvetheproblemoftheabsenceofrelevantconventionaltemperaturemeasurements.3.Astothefoulingmonitoringofconvect
此文档下载收益归作者所有