直接还原炉是一种钢制容器，在其还原带内具有耐火材料做的炉衬。
The DR furnace is a steel vessel with an internal refractory lining in the reducing zone.
研究了竖炉直接还原过程中硫的反应行为和分配规律。
Reaction behavior and distribution of sulphur during direct reduction in shaft furnace are studied in this article.
概述了直接还原铁的特性及在我厂电弧炉炼钢中的使用情况，并将其效果作了进一步分析。
Characteristic of direct reduced iron and its present status in service in electric arc steelmaking Changcheng Company had been summarized, its effect has been analyzed further.
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