纯铁的国内外研究进展及发展趋势

纯铁作为工业生产中重要的铁基原料，因其优良性能一直以来被国内外国家广泛使用，国内外研究机构与生产企业对于纯铁高纯化发展研究工作高度重视。 介绍了我国对不同类别的纯铁牌号、规格、成分含量的规定，以及生产中工业纯铁主要冶炼方式和国内外研究人员对超高纯铁制备技术的探索成果。分析了国内太钢、鞍钢、邢钢等企业大规模生产工业纯铁的工艺流程，并将我国企业与日本JFE公司生产的工业纯铁进行对比分析。指出纯铁高纯化的发展趋势，电渣重熔技术、空间电泳提纯技术的发展给纯铁高纯化研究注入了新的活力。

Research progress and production status of pure iron

As an important iron based raw material in industrial production, pure iron has been widely used at home and abroad because of its excellent performance. Research institutions and production enterprises at home and abroad attach great importance to the development of pure iron purification. In this paper, the regulations of different types of pure iron in China were given, the main smelting methods of industrial pure iron in production and the research results of ultra-high purity iron preparation by researchers at home and abroad were introduced. The technological processes of large-scale production of industrial pure iron by domestic enterprises such as Tisco, Ansteel and Xingtai Iron and Steel Co., Ltd. were analyzed, and the industrial pure irons produced by Chinese enterprises and JFE company in Japan were compared and analyzed. The development trend of high purification of pure iron was pointed out. With the development of electroslag remelting technology and space electrophoresis purification technology, the high purification of pure iron has injected new vitality.