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非焦煤炼铁工艺及装备的未来(2)--气基直接还原炼铁工艺及装备的前景研究(上)

非焦煤炼铁工艺及装备的未来(2)--气基直接还原炼铁工艺及装备的前景研究(上)

Future of Process and Equipment on Non-coking Coal Ironmaking (Ⅱ)---Prospect study on process and equipment for gas-based direct reduction ironmaking (Ⅰ)

Future of Process and Equipment on Non-coking Coal Ironmaking (Ⅱ)---Prospect study on process and equipment for gas-based direct reduction ironmaking (Ⅰ)

doi:
10.3969/j.issn.1001-1269.2015.03.001
摘要:
气基直接还原铁以比废钢价格低、有害元素少的优势逐渐成为冶炼高端金属材料的优质原料。我国的气基直接还原铁生产工艺处在成长阶段,既要消化吸收国外的技术,也要开发自有的国产技术,尤其是关键设备和技术成为实验室技术扩大到工业化生产的瓶颈。从气基直接还原铁的原理出发,以 MIDREX法为例重点介绍直接还原铁生产工艺原理、装备特点,为我国直接还原铁的发展提供参考。
Abstract:
The direct reduced iron (DRI)gradually become high quality raw material for high-end metal smelting,with advantage of lower price than the scrap and less harmful elements.The gas-based direct reduced iron-making technology in China is in the high-speed growth stage,so our country not only need to study and absorbing foreign existing technology,but also to create own domestic technology,especially when the key equipment and tech-nology become the bottleneck between laboratory techniques and the industrialized production.In the article,pro-ceeding from the gas-based direct reduction basic principle,the MIDREX technology is took as example for introdu-cing its process principle and equipment characteristics,to provide reference for the development of direct reduced i-ron in China.
作者 郭汉杰 孙贯永
Author: Guo Hanjie Sun Guanyong
作者单位 北京科技大学冶金与生态工程学院 北京 100083; 北京市重点实验室高端金属材料特种熔炼与制备中心 北京 100083
期 刊: 冶金设备
Journal: Metallurgical Equipment
年,卷(期) 2015, (3)
分类号 TF557
关键词: 气基直接还原 知识脉络 MIDREX 知识脉络 竖炉 知识脉络
Keywords: Gas-based direct reduction ironmaking MIDREX process Shaft furnace
机标分类号 TJ TF5
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