煤粉火焰三维温度分布重建及其在燃烧诊断技术中应用的研究

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1、浙江大学博士学位论文煤粉火焰三维温度分布重建及其在燃烧诊断技术中应用的研究姓名：赵敬德申请学位级别：博士专业：热能工程指导教师：严建华;岑可法20040401ABSTRACT—_____——--___--_----___●_——————______-_-_—●___-————●____●—_______———————————————————————————————————————一Today,thehealthandeconomicsustainabledevelopmentofhumanbeingisbei

2、ngthreatenedcontinuouslybytheenergyshortageandthedeterioratedenvironment．ItistheonlywaytOinsurethecraftofcoalfire，whichis越end!ytoenvironment，highefficiencyandclean，thatthedetectionandmanagementofclean；highefficiencycombustionprocedureofboilerinpowerplant，wh

3、ichisthenecessary．deviceofenergyindustryandimportantpolluter,iserdaaneed，thecombustionStatUSinboilerisoptimizedandtheexhaustingofcontaminationofcombustionisdecreased．InordertOoptimizethecombustionstatusinboiler．，it，isnecessarytodetectcombustionexactlyandest

4、ablishacombustiondiagnosisandoptimizingoperationsystembasedondetection．But，uptOnow,thedetectionofcombustionisnotadequatelyforalongtime．Theoperatingandadjustingofcombustionisbasedontheparametersofsteamandfewparametersofflame，dependingontheexperl’enceofoperam

5、r．Itcan’tbesuitforthecoalfireddevicessecurityproductionandenvironmentprotection．Inthispaper,usingtheCCDcameraandcomputermulti-mediatechnique，thevisualcombustiondetectioniSstudiedtOobtaindirecterandmoreadequaminformationofflamedetection．Basedonthetraditional

6、flameTv’withthetomographytechnologyandmethodofsolvinginverseproblem，the3-Dtemperatureprofilehasbeenreconstructed，thenmoreefficientcombustiondiagnosistechnologieshavebeendeveloped．First，thetechnologiesofmeasurementoftemperatureprofileandthedevelopmentofmeasu

7、rementoftemperatureprofilebasedonimage—processingtechnologyaresummarized，inthispaper．Themeasurementoftemperatureprofilebasedonimage—processingtechnology,withthekeystoneofreconstructingthe3-Dtemperatureprofileusingthetomographytechnology,havebeenstudiedonits

8、principlesandmaintechnologicalprocedureandtroubles．Themainproblemsoftechnology,whichshouldbesolvedwhilethe3-Dtemperatureprofileisreconstructed，havebeenproposed．Then，themaintechnologicalprocedureandtrou