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1、■■武漢理工大學(xué)碩jt學(xué)位論文堇青石粉添加量35wt％，l洲03添加量5wt％，硼熔塊添加量10w't％)鐵尾礦質(zhì)的最優(yōu)封裝劑配方組成為：鐵尾礦基材添加量80wt％，硼熔塊添加量20wt％。通過(guò)SEM測(cè)試，可知最優(yōu)配方的封裝劑與基材的結(jié)合性良好，能夠緊密地結(jié)合在一起。通過(guò)對(duì)NaC!和MgCl2進(jìn)行包裹，并對(duì)包裹的球體進(jìn)行SEM測(cè)試可知，赤泥質(zhì)陶瓷蓄熱球包裹MgCl2的效果良好，MgCl2與基材的相容性良好：而鐵尾礦制陶瓷蓄熱球包裹NaCl效果良好，NaCi與基材的相容性良好。關(guān)鍵詞：赤泥；鐵尾礦；太陽(yáng)能熱發(fā)電；陶瓷蓄熱材料；強(qiáng)度：抗熱震性；性
2、能與微觀結(jié)構(gòu)：封裝劑：PCM；結(jié)合性；相容性III’'■1■武漢理工大學(xué)碩士學(xué)位論文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
