高温作用下熔炼车间包子箱结构设计

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中图分类号：TU393 文献标志码：B 文章编号：1004-4345（2025）06-0077-04

AbstractTomee environmentalrequirementsforgascolectioninsmelting plant，itisnecessry toenclosethecastingcute andstelladleareaasadeenclosure.Tisresultsinthesuoundingstelstructurebeingexposedtolong-termhigh-teperature conditions.Tosuresructuralsfetyfireprotectiondesignasiplementedfortestelstucturearoundeladeclosureie resistancerequrementsforkeylocations weredetermined troughfireprotectioncalculations，andthreecommonlyusedfireprotection solutions-rammingmass，rockwoolinsulationlayers，andrefractorybrickmasonry-werecomparedintermsofstructural characteristics，constructionfeasibityandmaintenancepeformane.Tecalculationresultsidicatethattefireresistancetingof thesteelbeamsandfloorslabsatthetopoftheldeenclosureshouldnotbelessthan1.5hours.Itisrecommendedtocotrolthe loadratioofthestelbeamsbelowO.5andtousenon-intumescentfireprofcoatingsincombinationwithprotectivelayers.A comprehensivecomparisonconcludedthattheockwolpanelsutionofersadvantagessuchaslightself-weight，aseofisalation andlowmaintenane，making itsuitableforhigh-temperaturezonesoftheladleenclosure.Finaly，itisemphasizedthatregular inspections and timely repairs should be strengthened to ensure long-term structural safety.

Keywordshigh-temperatureenvironment;ladeenclosure;fireprotectionofstel structures;fireprotectioncalculation;fire resistance protective layer

熔炼车间生产过程中烟气产生的主要环节为浇铸作业，即熔融金属或熔渣经溜槽由冶炼炉流入钢包的过程。（剩余4880字）