简介：ByanalyzingrecentdevelopmentofreheatingfurnaceinShougang,thedirectionofrollingreheatingfurnaceislargetype,highefficiency,lowerpollutionandautomationetc.Manyadvancedtechnologiesareintegratedinnewrollingreheatingfurnacesuchasworkingbeam,regenerativecombustion,evaporationcoolingandhotloadingandhotfeedingetc.Itshowsthatreheatingfurnacetechnologyisupgraded.DuringtheprocessofproductstructureadjustmentinShougang,becauseproductheatingqualityisimproved,energy-savingofreheatingfurnaceshouldpayattentiontoaspectssuchasenergy-savingofheatingvarietysteel,equalityofheatingsteel,heatingsystem,oxidationlossandsoon.Thiswillofferreferenceforenergy-savingofdomesticandoverseasreheatingfurnacetechnology.

简介：ThelateMesozoictwogianteventsthathavesynchronouslyoccurredinthePacificandperipheryarethetectono-magmaticactivitiesoftheCircum-PacificmobilebeltandtheDarwinRise.TheirdynamicsanalysisindicatesthatthegeodynamicsresponsibleforPacificgenesishasbeendrivenbythegravityinstabilitybetweenaPacific-widesuperplumeheadanditslithosphericoverburdenundertheinfluenceofeastwardasthenosphericflowbytheEarthspin.TheworldwideactivationofmaficmagmatismwasinitiatedinthePaleozoicandclimaxedaroundtheJurassic.TheseparatednotworldwidedistributionofthemagmatismontheEarthsuggeststheinhomogeneousreheatingofuppermantle,asrepresentedbythePacific-widesuperplumehead.ThePhanerozoicreheatingthusputforwardtheEarthhistoryintoanewgeotectonicstage,i.e.,thediwastage.

简介：Productioncharacteristicsofhighspeedrodarefastspeed,complexsectionandinternalmicrostructureevolution,whichbringgreatproblemstoanalyzeandsolvethequalitydisputes.Therefore,aserialprocessmodelshavebeendevelopedbasedonthecharacteristicsofhighspeedrod:duetorodstocktobesquaresection,atwodimensionmodelhasbeendevelopedtopredicttheevolutionofinternaltemperatureandgraincoarsening.Asfortherodrollingprocess,anautomaticsectiondesignsystemhasbeenwritten,whichcanshowsectionfillingconditionandprocessparameterssuchastemperature,pressureandrecrystallizationetcperpass.Asforrodcoolingstage,anintegratedmodelwhichcoupledphasetransformation,temperatureandfinalpropertieswasdevelopedandappliedinrealproductionwithgoodresults.