将机器学习与冶金学见解相结合实现可持续的电弧炉性能.pdf

1、AI-Driven Optimization Framework for EAF OperationsNarottam BeheraDr.Hany HamedEMSTEEL R&DPublic 2EMSTEEL GROUPEmirates steel process routeEmirates steel process routeRaw MaterialDirect ReductionSteel Making (EAF)Ladle Treatment Billet and beam blank)2 MTPA0.5 MTPA1.0 MTPA4.2 MTPA3.6 MTPAPublic 3EMS

2、TEEL GROUPEmsteel Decarbonization StrategyEmsteel Decarbonization StrategySteel Business performance vs global industry(2024)2.331.921.431.050.870.6700.511.522.5BF-BOF-WSA*Global -WSADRI-EAF-WSAES Emission-WSA(Without offsets)ES Emission-WSA(With offsets)ES Scope 1&2(GHGprotocol)*Net Zero-2050 carbo

3、n intensity in the sion compared to WSA averageSteel Business2030 CO2e:1.9Mt 2023 CO2e:2.2Mt 2019 CO2e:3.2Mt 32%Reduction achieved40%Reduction Target setLevers deployed in 2024Increase our clean and renewable electricity through“Energy Attribute Certificates”1st Steel maker worldwide to capture part

4、 of our CO2 emissions 1st of-a-kind MENA region green hydrogen to green steel pilot facilityRoad to 2030-Key InitiativesCarbon CaptureAlternative Fuel SwitchingUsed recycled Steel ScrapClean and renewable EnergyElectrificationEnergy EfficiencyDigital TransformationPublic 4EMSTEEL GROUPProblem Statem

5、entProblem StatementFirst Measured Temp.DRI Feed Rate T/min1500155016001650145017005101520253035404550Time(min)Temperature oC234516DRI Feeding(T/min)Energy LossTap TempTarget(1600-1620 o COptimumTemp.Profile234516Tap Temp.DRI CompositionCarbon:2-2.5%Fe(Metallic):82-85%DRI FeO%:5-8%Hot DRI temp:400-4

6、50 deg CEAF SpecificationsTap weight-150 TonTransformer capacity-130 MVACharge mix Hot DRI,Cold DRI and ScrapTap to Tap time 40-50 Min Four injectors(Natural gas,oxygen and carbon)M150 Ton+30 Ton Hot HeelOxygen and carbon injectionRate 3-5 t/min130 MVA250 t/hrNo continuous bath temperature measureme