利用工业废渣制备太阳能蓄热材料的分析

《利用工业废渣制备太阳能蓄热材料的分析》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、■■武汉理工大学硕jt学位论文堇青石粉添加量35wt％，l洲03添加量5wt％，硼熔块添加量10w't％)铁尾矿质的最优封装剂配方组成为：铁尾矿基材添加量80wt％，硼熔块添加量20wt％。通过SEM测试，可知最优配方的封装剂与基材的结合性良好，能够紧密地结合在一起。通过对NaC!和MgCl2进行包裹，并对包裹的球体进行SEM测试可知，赤泥质陶瓷蓄热球包裹MgCl2的效果良好，MgCl2与基材的相容性良好：而铁尾矿制陶瓷蓄热球包裹NaCl效果良好，NaCi与基材的相容性良好。关键词：赤泥；铁尾矿；太阳能热发电；陶瓷蓄热材料；强度：抗热震性；性

2、能与微观结构：封装剂：PCM；结合性；相容性III’'■1■武汉理工大学硕士学位论文AbstractRedmudisthesolidwasteresidualwhenaluminaiSproducedusingbauxite．Asthebigaluminaproducingcountry,Chineseredmudoutputismorethanonethirdofglobaloutputandthatbringsforthhugeenvironmentalpollutionandpotentialsafetyproblems．Atthesa

3、metime，asthebigsteelproducingcountry,kontailingsproducedthroughsteel-makinghavealsobecometheimportantpollutionsource，accordingtoincompletelystatistics，thecumulativestockpiledirontailingscomeupto2x109tinchina．FollowingwithChineseeconomydevelopingfast，thedemandsforenergyisinc

4、reasingmoreandmore，butmorethan70percentsofenergyareprovidedbycoal．Asthelimitedcoalconsumedcontinuously,searchingfornewenergysuccedaneumbecomestheimportantpo缸toeverycountries，SOthecleanandunlimitedsolarenergybecomesthefocusofworldattentions．Inordertodevelopredmudandirontaili

5、ngenvironmentallyfriendlyandtakingtheintenseenergyshortagesituationintoconsideration,inthisstudysolarenergythermalstoragematerialsaremadeintherawmaterialsofredmudandirontailing．Inthispaper'atfirstShandongbayerredmud，Shandongshale，Shandongtalc，Shandongpotassiumfeldspar,Linzh

6、oualbite，Shandongquartzwereusedasthemainrawmaterials，preparedtheK-Al—Sisystemsolarenergythermalstorageceramicmaterials．UsingXRD(X—raydiffraction)，SEM(scanningelectronmicroscope)andothermodemanalysistechniquestestedthemicrostructureandpropertiesofPseries．Theresultsindicateth

7、atitispossibletoUSeredmudasmainrawmaterialtoproducethesolarenergythermalstorageceramicmaterials．ThepropertiesofP-4samplefiredat1080℃Wasbetter,theporosityWas7．82％，thewaterabsorptionW&S3．07％，thebulkdensityWas2．559·cmq，thebendingstrengthWas46．66MPa,thesamplewasn’tcrackedbyther

8、malshockresistance(roomtemperature-800℃。air-cooled)after30times，andflexuralstrengt