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为进一步发挥本钢铁矿石含硫、磷低和其它有害金属元素含量极低的资源优势,并为我国生产高级特种钢提供急需的优质原料,本钢钢研所与有关单位合作开发焦炉煤气非预转化气法竖炉直接还原工艺,并用该法小批量生产出的优质海绵铁在电炉中冶炼出部份品种的高级特种合金钢. 本钢钢研所在实验室固定床条件下,以焦炉煤气为还原剂,以氧化球团为原料对该工艺进行了系统的试验.通过三四年的研究,
In order to give full play to the resource advantages of the iron ore with low sulfur and phosphorus content and extremely low content of other harmful metal elements and provide much-needed high-quality raw materials for the production of advanced specialty steel in our country, Benxi Iron and Steel Institute and the relevant units jointly develop coke oven Gas non-pre-conversion gas method vertical furnace direct reduction process, and with the method of small batch production of high-quality sponge iron in the smelting of some varieties of high-grade special alloy steel.Ben steel Institute of laboratory fixed bed conditions, with Coke oven gas as a reducing agent, the process of oxidation of the pellets as a raw material of the system was tested.Through 34 years of research,