中国钢铁公司低碳高炉项目进展情况.pdf

1、Progress of Low Carbon Blast Furnace Initiatives at CSC1Brief Introduction of CSCCountermeasures for Carbon ReductionEfforts toward a Low-Carbon BF Reduced Iron Charging Hydrogen-Rich Gas injection TestSummaryworldsteelThe Breakthrough Technology Conference 2025 in SingaporeSpeaker:Huang Tsung-YenIr

2、on Making Process Development Section,R&D Dept.,China Steel Corporation(Taiwan)Date:Dec.2-3,2025Brief Introduction of CSC2 CSC Group is the only integrated and largest steel mill in Taiwan,with a designed annual hot metal output of 15 million metric tones by 6 BFs and 1 EAF.The production processes

3、include BF Ironmaking,BOF Steelmaking,Continuous Casting,and Hot/Cold Rolling.Generally,an integrated steel mill generates a large amount of CO2since its blast furnace ironmaking is coal-based process,which consumes around 75%energy of the mill.3Pathways for CSC to achieve Carbon Neutrality in 2050-

4、1%/yr 2025(base year)Planning multiple pathwayCCS technology:Low carbon BFCarbon-free BFMake greater efforts to improve energy efficiencyRenewable energyReplace coal injection with hydrogenCharge low carbon ferrous burden into BFCo-productionbetween steel and petrochemical plantsIncrease scrap use H

5、ydrogen reduction process:Iron OreDRIEAFSteelCarbon-free fuelElectrification2210-7%-25%Establish necessary resources fortechnical deployment,ensure sufficient fundingChoose the most optimisedpathway with the best technology maturity,cost-effectiveness,and ability to produce premium steel.Carbon Neut

6、ralCarbon emissions(ten thousand tons)Process improvement and simplificationWaste heat recovery;CogenerationCombustion control;Temperature control optimizationImprove yield and equipment efficiencyEnergy dispatch;smart management To optimize the energy efficiency and to use the renewable energy have