简介:Insomesteelmakingworkshops,theexistedinherentweaknessesoftraditionalcarboncontainingbrickworkinglining,suchasjointopening,verticalcrackingoflining,andexcessiveerosionofbrickedge,madeithardtosatisfythedemandsofadvancedsteelproduction.Anew-typecarbonfreecorundumspinelbrickandcastableweredevelopedbasedonthematrixoptimizedanalysis,successfullyappliedforultra-lowcarbonsteelproduction.Theadvantagesofthenewlydevelopedcarbonfreeworkingliningaremainlyasfollows:1)theinherentweaknessesofjointopening,verticalcrackingoflining,excessiveerosionofbrickedge,etc.aresurmountedsuccessfully,whichimprovestheoperationalsafetyofladles;2)theoutertemperatureoftheladleshelldecreasesby45-50℃comparedwiththatofthetraditionalcarboncontainingbricklining;3)theservicelifeofnew-typeworkingliningis150-170heats,nearlydoublingthatofthetraditionalcarboncontainingbricklining;thespecificconsumptionofrefractoriespertonsteeldecreasesbyabout20%;4)thecarbonpickupofmoltensteelisnotobviouswhichismerely5-10ppm,whichsatisfiesthedemandsoflow&ultralowcarbonsteelproduction.
简介:由中国石油和化学工业协会和全国甲醛行业协作组主办,上海石化鑫源化工实业有限公司、西南化工研究设计院等单位协办的2001年全国甲醛行业技术交流研讨会于2001年12月19日至22日在上海市召开。中国石油和化学工业协会和来自全国245个省市以及香港特区的80家甲醛生产企业和科研设计单位及相关单位的126位与代表参加了会议,参加会议的还有瑞典PerstorpFormox的技术方面负责人和PerstorpFormox亚洲化学品有限负责人。