Development of laser and microwave scanning technologies in the blast furnace burden profile and lining condition measurement at CSC-中国期刊网

摘要 Inordertostabilisetheoperationoftheblastfurnaceandtoraiseitsoperationefficiency,researchworksfortheapplicationofmicrowaveandlaserscanningtechnologiestothemeasurementhavebeenintensivelycarriedoutatChinaSteelCorporation(CSC).Tomonitortheburdenprofileduringtheoperation,amicrowaveburdenprofilemeasuringsystemwasdeveloped.Thesystemconsistsofaradarunit,asignalprocessingsystem,andadrivingdevicewhichiscapableofrotatingtheradartoscantheburdensurfaceinaspecifieddirection.Anitrogencoolingsystemwasdesignedtoprotectthemeasurementsystem.AprototypeburdenprofilemeterwassuccessfullytestedinNo.1blastfurnacein2008,andapermanentonewasinstalledatNo.3blastfurnace.ThesystemhasprovidedusefulinformationforadjustingthechargingsequenceinNo.3blastfurnace.Foranotherapplication,3-Dlaserscanningtechnologyisemployedtomonitortheblastfurnaceliningcondition.Tothisend,adataregistrationmethodhasbeendeveloped,throughwhichtwomeasuredrangeimagessensedatdifferentperiodandlocationscanbefittedintothesamecoordinatesystem.Inpractice,theerosionoftheblastfurnaceliningcanbeestimatedwhenthecurrentinnerprofileiscomparedwiththattakenbeforetheblow-inoperation.ThistechnologyisalsoadoptedtoevaluatetheperformanceofgunningoperationintheblastfurnacesatCSC.

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Development of laser and microwave scanning technologies in the blast furnace burden profile and lining condition measurement at CSC

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Development of laser and microwave scanning technologies in the blast furnace burden profile and lining condition measurement at CSC

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