学科分类
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39 个结果
  • 简介:ReviewonthedevelopmentofrefractoriestechnologyinChina'sironandsteelindustryduringtheperiodof"theninthfive-yearplan"hasbeenmade.Somesugges-tionsandopinionsonthefuturedevelopmentofrefractoriesscienceandtechnologyinChinahasbeenputforward,includingfullutilizationofdomesticrichresourcesofrefrac-toryrawmaterialstodevelopsophisticatedsyntheticrefrac-toryrawmaterialswithChinesecharacteristicsandtheR&Donhigh-techrefractoryproductsformeetingtherequire-mentofthedevelopmentofnewmetallurgicaltechnology.

  • 标签: 发展趋势 耐火材料 生产技术 中国 炼铁工业 炼钢工业
  • 简介:Thispaperdescribesdevelopmentsofhighqualitymagnesite-chromebricksusedforsecondarysteelmakingfurnaces,mainlyincludingdirect-bond-edmagnesite-chromebrick,fullysynthesized(co-clinker)magnesite-chromebrick,semi-rebondedmagnesite-chromebrickandfusedgrainrebondedmagnesite-chroebrick,Investigationshavealsobeenconductedontheeffectsofvariouschromitesonthepropertiesofthedirectbondedmagnesite-chromebrick,effectsofdifferentsesquioxides(CrO3,Al3O3,Fe2O3)onthepropertiesofthefullysynthe-sized(co-clinker)magnesite-hromebrickandef-fectsofZrO2,Cr-Fealloy,ultra-finepowdersonthepropertiesofthefusedgrainrebondedbrickandthesemi-rebondedmagnesite-chromebrick,Applica-tionsofthebricksinvarioussecondarysteelmakingfurnaceshavebeenbrieflyintroducedaswell.

  • 标签: 发展趋势 氧化镁 铬砖 氧化铬 二次炼钢炉 耐火材料
  • 简介:Magnificent&GorgeousTheShanghaiCommunication&FinanceMansiondesignedbyWangShiwei,GeneralDesigner,wontheSpecialAwardinthe“2004DongpengInteriorDesigningCompetition”organizedbytheChinaConstruction&DecorationAssociation.

  • 标签: 陶瓷行业 环境保护 发展战略 清洁生产
  • 简介:Thispaperintroducesofthedevelopmentandapplica-tionofheavilyburnedmullitedbrickwithhighreractorinessunderloadlowcreep,whichismadeofandalusiefineandcoarsegrains(asaggregate),highaluminabauxiteproducedinYangquancounty,clayproducedinGuangxiprovine,industrialaluminapowderandsilliman-itepowder(asmatrixmaterial)andalittleamountofad-ditivesandbondedwithsyntheticbond.

  • 标签: 发展趋势 莫来石 耐火材料 多铝红柱石 低蠕变性
  • 简介:Thepaperdescribestheprocessofproducinghighqualitymagnesite-chromebricksforVODre-finingfurnace,Theservicelifereaches14heats,averagelife12heats.Thestudiesshowthatthewearofthemagnesity-chromebricksismainlyduetochemicalcorrosion,thermalspallinginducedbythermalshockandthecorrosionarousedfromaccumulationofmoltenmaterialsintransitionzone.

  • 标签: 氧化镁 高铬砖 氧化铬 发展趋势 VOD精炼炉 耐火材料
  • 简介:Inthepast25yearsinChina,tomeetwiththerapidincreaseinsteelproductionaccompaniedbyadoptionofadvancedmetallurgicaltechnologies,therehasbeenfastdevelopmentofChina'srefractoriesindustryinproductioncapacity,inqualityimprovementandindevelopmentofnewproducts.Sophisticatedhighperformancerefractorymaterialsmainlybasedonourrichreservesofmagnesite,bauxiteandflakegraphitehavebeendeveloped,suchascarbon-bondedproducts,highpurityoxideproducts,bauxite-basedlowcreepandhighstrengthhighaluminabricksandLC,ULCandZCcastables.Theyhavebeenusedinblastfurnaces,BOFs,EAFs,secondaryrefiningandcontinuouscastingwithconsiderableimprovementinserviceperformance.

  • 标签: 中国 耐火材料 钢铁行业 产业政策 行业管理 BOF
  • 简介:Inordertomeettheneedsofhotrepairingtechnologyofcokeoven,thezeroexpansionsilicabrickwithsuperpropertieshasbeendeveloped,andtheproblemofpoorthermalstabilityofcommonsilicabrickhasbeenovercomned.Thisproductcanbedirectlyusedafterbeingrapidlyheatedafterconstruction.Atpresent,ithasbeenappliedincokeovensinItalyandBaosteel.

  • 标签: 零膨胀硅砖 热修补技术 炼焦炉 热稳定性 耐火材料 冶金
  • 简介:Thepropertiesofcastablesforironmaintroughhavebeenimprovedbymeansofincreaingthecastable'scriticalsizeandaddingexpandablemate-rial,TheprecastblocksmadefromthiscastablehavebeenusedasthescumwallofthemaintroughinBaosanI&sCo.,Whichhavesolvedtheproblemsusuallyoccurredinthisarea,suchasseriousero-sion,easycrakingandlowerservicelife.

  • 标签: 发展趋势 鼓风炉 铁槽 预制闭塞 炼钢 浮渣墙
  • 简介:Thenon-burnedcorundumspineluppernozzle,maldeofelectro-fusedcorunndumpowder,highpureelectro-fusedspinelwiththermosettingresinasbinder,addedwithcompoundant-oxdationadditives,hassuperiorHMOR,excellentcorrosionresistanceandsimpleproductionprocess,Theuppernozzlewasusedin90MTladleandtheservicelifewasimprovedby50%to60%

  • 标签: 尖晶石 刚玉 金刚砂 喃头 喷嘴
  • 简介:AnO'-Sialon-Al2O3compositerefractorywaspreparedbyinsitureactionofSi3N4-ZrSiO4-Al2O3mixturewithfusedaluminaaggregates.Densification,insitureactionprocedureandmicrostructureofthematerialwereinvestigatedbymeansofX-raydiffraction,opticalandscanningelectronicmicroscopesandEDAX.

  • 标签: O′-硅铝氧氮聚合材料 氧化锆 三氧化二铝 AL2O3 SIO2 ZRO2