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ID:34071423
大小:14.94 MB
页数:66页
时间:2019-03-03
《微纤维玻璃棉及其制备隔热纸性能的研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、STUDIESoNTHEPRoPERTIESoFGLASSMICRoFIBERSWooLANDTHEHEATINSULATIoNPAPERABSTRACTTherapiddevelopmentofliquefiednaturalgas(LNG)andthehugedemandforthecleanenergyinthefuturehavepromotedtheriseanddevelopmentofLNGindustry.AlargenumberofLNGtankswereneededduringtheprocessofLNGtransportation,thehighvacuummu
2、ltilayerinsulationwasadoptedbythetankforcryogenicinsulation,andtheglassmicrofibersWOOlinsulationPaperwhichwasusedinthemulti.1ayerinsulationstructureplayedaparticularlyimportantroleinthewholeadiabaticperformance.Inordertoprepareabettercryogenicinsulationpaper,thepropertiesofglassmicrofiberswool,t
3、heperformanceofglassmicrofiberswoolpaperandthethermalconductivityofcryogenicinsulationpaperwerestudiedwhichcouldchoosetheoptimaltypeofglassmicrofiberswoolforpapermaking.Morfifiberqualityanalyzerwasusedtostudymorphologicalcharacteristicsofglassmicrofibersw001.Theresultswereasfollow:thearithmetica
4、veragelengthwasbetween0.426mm-0.459mm,theaveragelengthweightedlengthwasbetweenO.58mm-0.65mm,theaveragewidthwasbetween8.69m~l3.Ogm,theaverageroughnesswasfromO.5091m∥100mtoO.8539mg/lOOmandthekinkanglewasbetween1330with1380.Inaddition.theproportionofkinkfiberswasbetween11.5%~18.7%.andtheproportiono
5、fcurlfiberswasbetween16.1%-18%.Comparedwithotherfibers,theeffectofcryogenicinsulationmadebyBM.3glassmicrofibersWOOlwouldbebetter.ItWasmainlyattributedtotheBM一3glassmicrofibersWOOlwhohadsmallerkinkandlargercrimpcouldinterweavemorecloselyafterpapermaking.Usingstandardreliefdevicetodealwithdifferen
6、tfibers,itwasshowedthatwiththenumberofeaserevolutionsincreased,beatingIIIdegreeoffibersincreasedfirstly,andthenleveledoff5000rasaturningpoint.Accordingly,thelongfiberswerecutintheeaseprocess,andthebeatinghadchangedforthereasonofincreasingoffibers’quantity.Thewetpapermakingprocesswasusedinthisstu
7、dy,itwasfoundthattheeaserevolutions’increasinghadsmalleffectonthequantitative.exceptthethicknesswhichwasdecreased.Thedeterminationofairpermeabilityandtensilestrengthwasmainlyaimedattheglassmicrofiberswoolpaperwithhigherquant
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