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ID:37491215
大小:2.65 MB
页数:86页
时间:2019-05-24
《链条炉高温固硫剂的研制及产业化应用》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、浙江大学硕士学位论文链条炉高温固硫剂的研制及产业化应用姓名:宋玉彩申请学位级别:硕士专业:工程热物理指导教师:曹欣玉;刘建忠2002.1.1。一+^L,,_一鲨!鲨叁二兰塑!.堡::j!;——‘————————————————————————————————————————————————————————一一Abstract,FacingthestatusthatthelowsulfurremovalefficiencyandtheS02pc,llutionofthetravelinggrateboilers,Usingmineralma
2、terialandindustrialwasteasadditivesforsulfurfixedduringcombustionandtwo+stagedesulfurizationtechniqueareproposedtoreachtothecommerciallypopularizeoftheadditivesforsulfurfixation.First,thephysicalstructureofmineralmaterialandindustrialwastearestudied.Thecomponent,particled
3、iameter,porecharacteristicsandmicrostructureofadditiveswereanalyzed.ItiSfoundthatthesurfaceareasandporosityofcalciumwasteswerethemost,andthemeanparticlediameter;themedianparticlediameterandthemodalparticlediameterofcalcitewerethemostata11.Therangeofparticlediameterofcalci
4、teatabout62.5429I_tmorabovecaneffectuallyincreaseitsporedimension.AbestporeradiusrangewherethesurfaceareasandporosityisbestforS02removalwasexcitedforeveryadditive.Thecalciningcharacteristicwasthekeyfactoraffectingdesulfurationemciencyduringcoalcombustion.Theeffectsofatmos
5、phere,time,temperatureofcalcinationonholecharacteristicsandmicrostructureofadditivewerestudied.Wefoundthattheeffectsoftemperatureoncalcinationswereseveralaspectsandtheruleofsurfaceareasandporosityofadditivesaftercalciningpresentedhoistfirstanddescendantthen,andthesurfacea
6、reasandporosityofadditivesaftercalciningwerebestvalue.Usingmineralmaterialandindustrialwasteasadditivesfofsulfurfixedduringcombustionisaneffectivewaytosaveenergyandreduceairpollution.Thefactorsaffectingthesulfurremovalefficiencyduringcoalcombustionathightemperaturearesyst
7、emstudiedandthemechanismofadditivesondesulfurizationemciencyduringcoalcombustionwasstudiedbyanalyzingthesedimentofadditives.ThenewZDM—typeadditivesaredeveloped.Thecommerciallypopularizeofadditiveswasourfinalpurpose.AseriesofidentifiedexperinaentationintheindustriaIchainbo
8、iIel-indicatedthattheZDM—typeadditivecoughtpreferablymeetthedenaandofenvironlnentprotection.Thed
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