简介：DSShavehighstrength,highcorrosionresistanceandgoodweldingproperties.Comparingwiththesamecorrosionresistancelevelausteniticstainlesssteel,DSSdecreaselargelyNicontentandrealizethethinningofthicknessdesigntoperfectlyoptimizepropertiesanddecreasecosts.NowDSShavebeenwidelyusedinmanyfieldssuchaspetroleum,chemicalindustry,paperproduction,shipbuilding,nuclearpower,seawaterdesalting,vacuumsaltproductionandarchitecture.TiscohavebegantheprocessdevelopmentandproductapplicationresearchofDSSproductsfromlastcenturyandgraduallysolvedalotoftechnicalproblemssuchasAODnitrogenalloyingcontrolofvariouscontentDSS,hightemperaturedeformationmechanismofthermalprocess,largedeformationhotrollingprocessofcoils,theeffectofbadphaseprecipitatedduringhottreatmentprocessonpropertiesandhighefficiencypicklingofhighCr/MocontentDSSplates.ThevariousalloycontentDSSplatesandwidecoldrollingcoils(3Re60,S32101,S32304,S31803,S32205,S32750andSUS329J4L)weresuccessfullydevelopedandusedinnationalimportantconstructions,keyindustriesandabroadprojects.

简介：Ultrafastcoolingisanewtechnologywhichusedtocontrolthehot-rollingstripcoolinginrecentyearsontheinternationaldeveloped.Ifsuitablycooperatedwithanumberofothernewcontrolledrollingtechnologies,canachievefastandaccuratetemperaturecontrolinthehot-rolledstripproductionprocesstoobtaincorrespondingtransformationmicrostructureandidealmechanicalproperties.Thisarticledescribesthetechnicalprincipleandlayoutofultrafastcoolinginhot-rolledaswellasapplicationprofilesinthemajorironandsteelenterpriseinChinaandabroad.Carriedoutthelayoutofultrafastcoolinganalysisontheadaptabilityofsteelthatinstallbetweenthefinishingmillandlaminarcooling,onthisbasis,proposedtheuseofultrafastcoolingtechnologyproposals.

简介：Inthispaper,theflatnesscontroltechnologyAnShaperTMforcold-rollingmillandindustryapplicationareintroduced.AnShaperTMincludes;partitioningpiezomagneticshapemeterforflatnessmeasurementforcold-rollingstrip;flatnessmeasuredsignalsprocessingsystembasedondigitalsignalprocessing（DSP）;flatnessfeedbackcontrolmodelsystembasedonthecontrolefficiencyofflatnesscontrolactuatorsandmodeladaptivefunction.TheapplicationverifiesthatstripflatnesscanmeettheneedofhighqualityproductbyusingAnShaperTM.Theaverageflatnessqualityisabout5Ⅰ-unitandthe0.18mmultrathinthicknessstripflatnessis10Ⅰ-unit.

简介：Fossil-fuelburninggreenhousegasinducedglobalwarminghasbeenrecognizedasglobalenvironmentalproblems,reduceandultimatelycontroltheenergyproductionintheuseofCO2emissions,globalenergyproductionwillbeamajorchallenge.Asahighlyintensivematerialsandenergy,ironandsteelenterprises,needtobeinvestedtoproduceonetonofsteelabouttwotonsofmaterialand0.7tofstandardcoalenergy,andwhileproducingtwotonsofCO2.Therefore,reducingCO2emissionsfromironandsteelindustryhasbecomethefocusoftheglobalsteelindustry.Thispaperdescribesanintegrateddomesticandinternationalmeasurestocontrolcarbondioxideemissionsresearchprogressandfuturetechnologytrends,withemphasisonthedomesticsteelindustryemissionsofcarbondioxidestatusoftechnologydevelopmentandindustrializationofimplementationoftheproposedonthisbasis,includingdryquenchingtechnology,gas,powergeneration,coalmoisturecontroltechnology,blastfurnaceinjectionplasticstechnology,theuseofcokingprocessfortreatingmunicipalwasteplasticstechnology,sinteringheatgeneration,lowpressuresaturatedsteamforpowergeneration,metallurgicalslagheatrecoverytechnology,cokeovengashydrogentechnologyandtheotherkeytechnologiesenergysavingtechnologies,includingthedevelopment,promotionandpopularizationofthesteelindustryinChinawillbetheCO2emissionreductiontechnologydirectionandfocus.Atthisstage,theChinesesteelindustrycanbeimprovedtheenergyefficiencyandrecyclingofwasteheatandenergy,reduceunitGDP,CO2emissions;butinthelongrun,shouldincreaseCO2captureandstorageontheinputoftechnologycanpossibleeffectivecontroloftheadverseeffectsofCO2emissions.

简介：Theentirerollerinlayedblockintelligencecoldstripshapemeterisdevelopedsuccessfullyinthispaper,whichcanstablyworkchronicallyinthecoldrollingworkshop,theindependentinnovationofthekeytechnologyofcoldstripshapemeasuring,theforeigntechnicalmonopolyandblockadearebrokenthrough.Thestructuralformwhichisdifferentfromtheinternationalpopularsegmenteddetectionrollerisputforward,theentiredetectionrollerinlayedblockisdeveloped,agroupofelasticblocksinthatthesenseorgansareinstalledareinlayedintheradialsymmetryrectangulargroovesofthedetectionrollerbody,theentirerollerstructureiscomposedofelasticpiecesandtherollerbody,thescratchofthestripsurfaceduetodifferentthermalexpansionofthetraditionaldetectionrollermeasuringunitisavoidedeffectively.Thesignaltransmissionformwhichisdifferentformtheinternationalpopulardryslipringisputforward,thespraywetslipringisdeveloped,slipringanddetectionrollercanbetakendownandinstalledaspossiblyasfast,sothemaintainisconvenient,whilethroughthesectionauto-spraycleaning,lubricationandcooling,theservicelifeisremarkableimprovedandtheoutsideinterferencesignalisreduced.Thesignalprocessingformwhichisdifferentformtheinternationalpopulargatheringcardisputforward,theembeddedDSPshapesignalprocessinghardwaresystemisdeveloped,theelectromagnet,temperature,humidityandvibration’sinterferenceofindustrypracticetoshapetransmissionsignalcanbeeffectivelyavoided,whichcanguaranteetheinstantaneityandmeasuredprecisionofshapemeasuredsignal.Theshapesignalprocessingsoftwaresystemwhosefunctioncontainserrorcompensation,patternrecognition,establishmentofthetargetshapeandtheclosed-loopcontrolcalculationisbuilt,theshapemeter’computerhumaninteractionisfriendly,andfunctionofshapemeterisstrong,atthesametimetheintellectualizedleveloftheshapemeterisimproved.Now,thi

简介：Manyadvancedtechnologieshavebeenappliedindevelopingtheautomaticmeasuringdevicefortestingtransversethicknessdifferenceofcold-rollingsteelsheet,suchasthetechnologiesofautomaticcontrol,sensormeasurement,markingidentification,photographiclocation,computerapplicationandinformationtransmission.Thismeasuringdevicecanmeasurethetransversethicknessdifferenceofthesteelplateaccuratelyandquickly,withahighdetectionlevelofautomation.Itisaneffectivedetectionequipmentfortransversethicknesscontrolofsteelplate.Horizontalwidthofsteelplatemeasuring0.8-1.4m,horizontalmeasurementpointpositioningaccuracy±0.02mm,thicknessrange0.2-2.0mm,measurementaccuracywithin±1μm.

简介：Artificialintelligencetechniqueshavebeenusedtopredictbasicoxygenfurnace(BOF)end-points.However,themainchallengeistoeffectivelyreducetheinputnodesastoomanyinputnodesinneuralnetworkincreasecomplexity,decreaseaccuracyandslowdownthetrainingspeedofthenetwork.Simplypicking-upvariablesasinputusuallyinfluencevalidityofmodel.Itisquitenecessarytodevelopaneffectivemethodtoreducethenumberofinputnodeswherebytosimplifythenetworkandimprovemodelperformance.Inthisstudy,avariable-filtratingtechniquecombiningbothmetallurgicalmechanismmodelandpartialleast-squares(PLS)regressionmethodhasbeenproposedbytakingtheadvantagesofbothofthem,i.e.qualitiveandquantativerelationshipsbetweenvariablesrespectively.Accordingly,afuzzy-reasoningneuralnetwork(FNN)predictionmodelforbasicoxygenfurnace(BOF)end-pointcarboncontentbasedonthistechniquehasbeendeveloped.Thepredictionresultsshowedthatthismodelcaneffectivelyimprovethehitrateofend-pointcarboncontentandincreasenetworktrainingspeed.Thesuccessfulhitrateofthemodelcanreachupto94.12%withabout0.02%errorrange.