大容量燃煤鍋爐機組的性能監(jiān)測與耗差診斷算法模型研究.pdf

1、東南大學碩士學位論文大容量燃煤鍋爐機組的性能監(jiān)測與耗差診斷算法模型研究姓名：張科申請學位級別：碩士專業(yè)：能源信息技術指導教師：王培紅20090501Abstractitisessentialtolearntheoperationperformanceforunitsduringtheoperationmanageinapowerplant，inordertorenderthemselvesinasuperiorpositionunder

2、competitioncircumstanceofpowermarketsTheboilerisnotonlyoneofthreemajorfacilitiesincoalfiredpowerplant，butalsoisthemajoradjustmentmethodofcycleparametersforsteamturbineThus，performancemonitoringplaysanimportantroleforimpr

3、ovingoperationperformanceHoweverbecausetheboilerperformancemonitoringisnotonlyinfluencedbyinteractionbetweentheboilerinteriorcombustionandheattransfer；alsoismultiaffectedbyfuel妙pe，variableload，fluegastemperatureofhightem

4、peratureheatingsurface，fuelsandcombustionproductscompositionandetcsoastodecreasethevalidityofboilerperformancemonitoringandguidefunctionforunitsoperationnethesisdevelopedboilerperformancemonitoringandenergylossdiagnosisa

5、lgorithmaccordingtothedemandsfordevelopmentprojectofperformancemonitoringinformationsystemfourthunitinXiBaiPopowerplantThroughtheresearchmeanscharacterizedbycombinationofthermalcalculationandrealtimeoperationdataanalysis

6、forboilertheresearchachievedthefollowinginnovativeresults：1EstablishingthecharacteristicsmodelundervariableconditionforboileroffourthunitThecharacteristicsmodelundervariableconditionwasestablishedandverifiedbasedonnormal

7、thermalcalculationmethodThemodeIcanbecalculatedbyanapplicationofindustrialanalysiscompositionfor凡eIstodecreasetherequirementsofusingtheconventionalvariableconditionmodel；alsoitcanbeusedtoanalyzetherequirementsforcalculat

8、ingoutletgastemperatureandefficiencycoefficientofrespectiveheatingsurfacealongwithfuelsandloadchangeundervariablecondition，soastomeetthedemandsforvaluationofheattransferconditiononheatingsurface2Analyzingresponseregulati

9、onundervariableconditioncausedbymajordisturbancesourceTheCharacteristicsresponseundervariableconditionwascalculatedonbasisofthecharacteristicsmodelforboilervariableconditionestablishedbythispaperaimedatsuchmajordisturban

10、cefactorsasfeedwatertemperature，load，coaltype，heatingsurfaceconditionandsoon；Theresultsthatthequantitativeanalysisofsomecharacteristicsresponse，suchasheatallocationforrespectiveheatingsurfaceofboilercausedbyvariousfactor

11、schange，outletgastemperatureofrespectiveheatingsurfaceandboilerefficiencyhadbeenappliedtoperformancemonitoringinformationsystemforfourthunit‘3Puttingforwardanewmethodforfluegastemperaturebasedonmultifactorsdecomposition1

12、11ethesisputforwardanewquantitativeanalysismethodforfluegastemperaturebasedonmultifactorsdecompositionthatthefluegastemperaturedeviationforboilerwasbrokendownintoinfluenceoffuelcompositionchange，loadchangeandheatingsurfa

13、cefouling(characterizebythermalefficiencycoefficientforheatingsurface)111edecompositionmodelforenergylosscausedbyfluegastemperaturedeviationwasprovedtoreasonablethroughrealtimemonitoringdataandpracticalsootblowingprogram

14、minginpowerplant4Puttingforwardanewmethodthatdeterminesthecompensationcoefficientforenergylosscausedbymulti—factorsOnthebasisoftheoptimizationprinciple，thebinaryandmulti—levelintegrateddisturbancesamples(fluegastemperatu

15、reandfluegasoxygencontent)wasconsideredastheobjectstoobtainthemethodthatdeterminethecompensationcoefficientforenergylosscausedbymulti—factorsCompensationcorrectionwascertifiedtobevalidbythecalculationexample，勰wellasprovi