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在不严重削弱工艺流程效率和生产率条件下,钢铁厂正面临着寻求降低CO2排放方法的挑战。论述了电炉炼钢工艺流程和高炉-转炉联合炼钢工艺流程优化技术的进展,旨在同时提高生产率、降低运行成本和减少温室气体排放。主要内容包括特诺恩公司最新开展的i Steel技术项目综述,该项目把EFSOP烟气分析技术与工艺模型整合成适用于联合和非联合炼钢工艺的技术-i EAF、i RECOVERY和i BOF。另外,也讨论了在高炉-转炉炼钢工艺流程中选择性地使用由特诺恩HYL ENERGIRON技术生产的直接还原铁对提高生产率和降低排放的重要作用。
Steel mills are facing the challenge of finding ways to reduce CO2 emissions without materially impairing process efficiency and productivity. The progress of EAF steelmaking process and BF / BOF steelmaking process optimization technology is discussed, which aims to increase productivity, reduce operating costs and reduce greenhouse gas emissions at the same time. Key highlights include the latest Tenovan’s i Steel ™ technology project review, which integrates EFSOP ™ flue gas analysis and process modeling into technologies for integrated and non-integrated steelmaking - i EAF, i RECOVERY And i BOF. In addition, the important role of direct use of DRI produced by Tenon’s HYL ENERGIRON technology in blast furnace-converter steelmaking processes to increase productivity and reduce emissions is also discussed.