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1.前言炉外精炼在国外已大规模地应用于工业生产。我国于七十年代末期开展了这项技术的研究。近些年来,世界上钢铁材料质量大幅度提高均与喷射冶金和炉外处理技术的相应发展和应用有关。在炉外处理过程中,特别是铁水予处理锕包精炼时,由于添加的粉剂在精炼过程中的吸热和分解,导致熔体温度的下降,使炉外处理技术的应用受
1. Foreword Furnace refining has been used abroad in large-scale industrial production. Our country has carried on the research of this technology in the late seventies. In recent years, a substantial increase in the quality of steel materials in the world is related to the corresponding development and application of jet metallurgy and furnace treatment technologies. In the furnace treatment process, especially the hot metal treatment actinium package refining, due to the addition of powder in the refining process of endothermic and decomposition, leading to the decline in melt temperature, so that the application of furnace treatment technology by