高效低廉燃烧固氟剂的开发与研究

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1、浙江大学硕士学位论文高效低廉燃烧固氟剂的开发与研究姓名：张淑新申请学位级别：硕士专业：工程热物理指导教师：刘建忠;曹欣玉20030101望笙查燮堡杰堂堡垒塞茎燮望一⋯⋯⋯．型箜鍪!!量曼ABSTRACTFluorineisanelementofgreatenvironmentalinterestandfluoride强oneofthepollutioncontrollingspecies，Combustionofcoalisapotentialsourceoffluorideintheatmosphereandenvironment+Therearetw

2、omethodsofexploitingfuorideretentionofhighefficiencyandlow—cost，whichistomakeCaOmoreactivatedandtoimprovestabilityofCaF2．Inthispaper，aseriesofkeyproblemsarereported，includingfouraspects：themicrocosmicporestructurecharacteristicoffluorideretentionbymercuryporosimetryandSEMvisualiz

3、ation；exploitationandresearchonfluorideretentionofhighefficiencyandlow—cost；studiesoffluorideretentionbymodifiedtreatment；industrialtestsofcombustionfluorideretentiontechnology．Firstly,characteristicandharmoffluoridepollutionbyCOalcombustionwerereported．andtherearesomeproblemsofc

4、oalpollutioncontrol。Secondl)；basedonsystemsanalysisof菇l赫ndoffluorinmeasllremethod，hi痨frequencyinductionfumace／theFIuorideIon-SelectiveElectrode(ISE)iSthebestmeasl,u≈method．Afterwards。themicrocosmicporestructurecharacteristicoffluorideretentioniSthekeyfactoraffectingfluorideretent

5、ionefficiencyduringcoalcombustion．Theeffectsoftemperature，timeofcaleinations。species，particlesizesOilporestructurecharacteristicoffluorideretentionadditivewerestudied．Surfaceformsof爨uorideretentionadditivewerestudied，also。Usingiton．aluminiumcompoundandindustrialwasteaSadditivesfo

6、rcalciumbasedfluorideretentioniSaneffectivewaytosaveenergyandreduceairpollution，Somenewtypeadditivesweredeveloped．ThecharacteristicsoffluorideretentionmodifiedtreatmentbymetalandacidcompoundasadditiveswereinvestigatedinthispaFIer．Surfaceforillsoffluorideretentionaddirivewerestudi

7、edtofindtheir蠡uofideretentionmechanism。A￡la文throughlotsofindustrialtestsandapplicationofcoalpowderfi．1／Tlace)thetwo—stagetechnologywasputforwardoriginally．tnaddition，themethodoffluoridemeasureatindustrialpollutionwasimproved+Keywords：coalcombustion，measuremethod，fluorideretention

8、，additive，agglomeration，modifiedtreatmen