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简介：ThearticledescribestheexperiencesofalternativematerialsforthemanufacturingoftherefractorymaterialsinthecompanyP-DRefractoriesCZa.s.Theattentionisfocusedonenergyby-products(EBP).Energyby-productsaregeneratedduringburninganddesulphurizationinthermalpowerplants.Classicalhigh-temperatureflyash(classFflyashaccordingtoASTMC618)isthemostimportantandflyashfromfluidizedtechnology(classCflyash)isthesecondgroup.IntheCzechRepublic,powerplantsproduceabout14milliontonsofenergyby-productseveryyear.Utilizationoftheseproductsinceramictechnologymeansareductionofrawmaterialcostsandalsoithelpstoreduceadverseenvironmentalimpact.ClassFflyash(FFA)andcinderfromhightemperaturecombustion(CD)wereusedinlightweightinsulationfireclaybricks.Wecanusethesematerialsasagrogandalighteningagentformaterialswithbulkdensityover900kg·m-3andclassificationtemperatureupto1150℃.ClassCflyash(CFA)isbeingtestedinawiderangeoftherefractorymaterials.Forexample,itcanbeusedinlightweightfireclaybricks,fireclaybricksforstoves,acid-resistantfireclaybricksorrefractorycastables.Therangeofpotentialproducts,whereEBPcouldbeused,isverywideandenergyby-productshavebecomeanimportantrawmaterialsource.

简介：ABOUTJINGHUI&JINGXINThecompany,establishedin1979,istheNationalHigh-TechEnterprise,theInnovationAbilityKeyBreedingEnterpriseandtheAAAgradeCreditStandingEnterpriseofJiangsuProvince.Itproducesthefamous'Jinghui'brandhightemperaturecompositerefractoriesadoptinghighpurityrawmaterials,high-techequipment,highqualitystaff,cleanenergyanddigitizedfactoryautomationcontrolsystem.

简介：*JiangsuJinghuiRefractoriesCo.,Ltd.Products:tabularalumina,sinteredmullite,rareearthcorundum,activealumina,99aluminaceramicball,ceramicliningandZirconiaringseries.Add:No.10ZheyangRd,ZhenwuTown,Jiang-du,Jiangsu225265,P.R.ChinaTel:+86-514-6278078,6278077,6278076

简介：JiangsuJinghuiRefractoriesCo.,Ltd.Products:tabularalumina,sinteredmullite,rareearthcorundum,activealumina,99aluminaceramicball,ceramicliningandZirconiaringseries.

简介：JiangsuJinghuiRefractoriesCo.,Ltd.Products:tabularalumina,sinteredmullite,rareearthcorundum,activealumina,99aluminaceramicball,ceramic

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简介：WearofazirconiagraphiteslagbandmaterialbymoldslagduringcastingofaTRIPsteelgradewasinvestigatedonwornspecimenswithrespecttocorrosionanderosion.Corrosiondissolutionofboththestabilizeroxideandthezirconiaisdecisive.Oxidationisdominatinggraphitewearwhereasapossibledissolutionintheliquidsteelwasnotobservedtoplayanimportantrolehere.Theratioofoxidecorrosiontographiteoxidationdecreaseswithdecreasingverticaldistanceofthehotfacetothesteelbath.Unfortunatelyandcontrarytootherapplicationsofcarbonbondedrefractoriesinsteelindustrygraphiteexhibitstobewettedbymoldslaginthespecialcaseinvestigatedhere,itstillactsasarefractivecomponent,butonlypartlyasaninfiltrationinhibitor.Infiltrationisfollowedbyzirconiacorrosionthusreducingerosionresistance,butneverthelessalsogasphasetransportofslagcomponentsmaycauseexsolutionofthestabilizeroxideinun-infiltratedregions.

简介：Themechanicalpropertiesatelevatedtempera-turesofcorundum-mullitematerialsandtheeffectsofzirconiaandtitaniaadditionshavebeeninvesti-gated.Theresultsarecorrelatedwithchangesinmicrostructure,Basedontheresultsoftheseinvesti-gations,reaction-sinteredcorundum-mullite-zirco-niamaterialswithimprovedhotstrengthandther-malshockresistancehavebeendevelopedforrefractor-riesusage.

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简介：ThechromiumoxidematerialswerepreparedusingCr2O3micropowderasmainstartingmaterial,TiO2micropowderassinteringaid,polyvinylalcoholasbinder,byaseriesofprocessessuchasslurrying,sprayinggranulation,machinemouldingandcoldisostaticpressing,andfiringat1500℃for3hinair(oxygenpartialpressurewas2.1×104Pa),industrialnitrogen(oxygenpartialpressurewas1×103Pa),purenitrogen(oxygenpartialpressurewas10Pa),highpuritynitrogen(oxygenpartialpressurewas0.1Pa),andcarboncakeembeddedatmosphere(oxygenpartialpressurewas2.3×10-12Pa).EffectsofoxygenpartialpressuresonthesinteringbehaviorofCr2O3materialswereinvestigated.Theresultsshowthat(1)for3wt%TiO2-dopedspecimens,thereisasubstantialdependenceofsinteringonoxygenpartialpressure(0.1Pa-2.1×104Pa),andthebulkdensityincreasesandapparentporositydecreaseswithoxygenpartialpressuredecreasing;(2)eveniftheoxygenpartialpressureis0.1Pa,thespecimenwithoutTiO2cannotreachdensificationsintering;(3)underverylowoxygenpartialpressureofcarbonembeddedatmosphere,Cr2O3materialscontainingTiO2ornotcanattaindensification.

简介：Thedistributionofrefractoryrawmaterialresources,itsthroughputcapacity,productvanetiesandqualityaswellasmarketsituationinChinawereinvestigated.

简介：ThearticlestatesChinaisagreatnationinproducingandexportingrefractoriesandrefractoryrawmaterials,which,hasearnedmuchforeignexchangeforourcountry,onlyafewadvancedrefactorymaterial,zirconandchromeoreareneededtobeimported.Thear-ticlepointsouttheproblemsintheexportandimport,andraisessuggestionsondevelopment.AftertheentryofWTO,Chinawillexpanditsco-operationswithothercountriesinscience,technology,economyandtradetoplayamoreimportantroleintheworldmarket.

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简介：Thepaperanalysesredoxreactionsofan-tioxidantsSiandSiCeteatdifferentpositionsinthecourseofoxidationofcarbon-containingmaterials,Itispointedoutthatredoxreactionofantioxidantsinoxidized-zoneplaysaveryimportantpartinantioxidationofcarbon-con-tainingmaterials,ThereasonwhySiCcanmakecarbon-containingmaterialantioxideatthermodynamictemperaturehasbeenex-plained,Experimentprovesthatantioxidantsinoxidizedzonecanmakecarbon-containingmaterilsantioxidize.

简介：OnApril20-22,2011,China'sRefractoriesRawMaterialsSymposium,co-sponsoredbyRefractoriesBranchofTheChineseSocietyforMetalsandChinaHenanRefractoryIndustry

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简介：Inordertoincreasetheinnovationstrengthofenterprises,acceleratetheindustrialupgrading,andcreateagooddevelopmentenvironmentfornewmaterialsindustry,theStateCouncilofChinaapprovedapreparationplanofstandardsforsixnewmaterials

简介：EffectofthecontentofLa2O3,CeO2andSiO2onthesinteringbehaviorandmicrostruc-tureofAZS-40materialhasbeenstudiedbymeansofsinteringtestandSEMexamination,TheresultsshowthattheporosityoftheAZS-40clinkerwithadditionof0.5%La2O3orCeO2couldreach2%undertheonditionof1600℃for4hours.Butitisnotbeneficialtothesinteringandmicrostructureoftheclinkerswhentheadditionoftherareearthoxidesincreasestomorethan0.5%,AZS-40materialsbecomedifficulttobesinteredastheadditionofSiO2inthematerialsincereases.