液柱冲击塔湿法烟气脱硫的试验和理论研究

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1、洳≥：≯、博士学位论文⑧论文题目这挂泣壹整漫达坦氢题篮鲢达堕塑堡途妥塞堡盟婆熬攫墨互洼瞳主所在学院．扭越墨丝源王程堂瞳浙江大学博士学位论文ABSTRACTWimthedevelopmentofeconomy，theenvironmentweliveinisbadlypollutedbyS02fromcoal．firedboilers．Limestone·gypsumwetfluegasdesulfurizationtechnology．isbeingwidelyappliedallovertheworldbecauseofi

2、tsadvantages：highdesulfurizationefficiency，widespreadandcheapabsorbent，retrievableandavailablebyproduct。ButthecapitalcostandoperationcostaretooexpensivetObeacceptedbyourconsumerinChina．Inthethesis，hnpingestreamscrubberarecarriedoutinordertOdecreaseitscapitalcostand

3、operationcost．Theresistanceanddesulfurizationcharacteristicofimpingestreamscrubberarestudied．Theeffectsofslurryfluxdensityandfluegasvelocityontheresistanceinthescrubbersandtheeffectsofslurryfluxdensity，fluegasvelocity，circulatingtankpH，S02inletconcentration，andflue

4、gasinlettemperatureondesulfurizationinthescrubbersarestudied．Theeffectsofadditives(formicacid，sodiumformateandadipicacid)ondesulfurizationinthescrubbersarealsostudied．Thecharacteristicsofthescrubbersarefound，Optimumoperationparametersareobtainedonthebasisofexperime

5、ntalinvestigationresults．TheflowfieldcharacteristicinimpingestreamscrubbersuchaSthediameterandvelocitydistributionofatomizedslurrydropletshasgreateffectonS02absorption．WithPIVteetmology．thediameterdistributionandmotionstateofdropletsisinvestigated．111eeriectsofslur

6、ryflux，fluegasvelocity，thedistancebetweendamperandnozzlesanddampertypearestudied．Ascartbeseenfromtheexperimentalinvestigationresults．themeandiameterofslurrydropletsincrease、Ⅳithagreaterslurryfluxwhenthefluegasvelocityisindefinite；butwhentheslurryfluxisinfinite，itwi

7、lldecreasewhenthefluegasvelocityincreases．111eatomizationeffectisbetterwithalessdistancebetweendamperandnozzles．AndthedropletsdiameterdistributioniSRosin．Rammler．Onthebasisofmultiphasefluiddynamics，chemicalreactionkinetics，turbulentdiffusionandmasstransfertheory，th

8、eS02absorptionmodelinimpingestreamSCrubberissetup．TheeffectSofslurryfluxdensity，fluegasvelocity，dropletsdiameterchangeanddistributiononflowfieldd