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1.前言根据世界能源结构,寻求一种作为传统高炉的补充炼铁方法,是炼铁工作者努力的方向之一。近十几年来,不用冶金焦的铁矿石直接还原法得到发展。1960年铁矿石直接
1. Introduction According to the world energy structure, to seek a method of replenishment of iron as a traditional blast furnace is one of the efforts of iron-smelting workers. In the past ten years, the direct reduction of iron ore without metallurgical coke has been developed. 1960 iron ore directly