利用贫矿资源生产海绵铁的前景

The Prespect by Using Poor Ore to Produce Sponge Iron

概述了国内外煤基回转窑生产海绵铁的发展状况，介绍了成熟的ＳＬ－ＲＮ直接还原铁生产工艺，探讨了利用贫矿资源生产海绵铁的发展前景。

This paper summarizes the status that the coal-based rotary kiln using direct reduction technique to produce spouse iron in the world,introducing successful SL-RN process,investigatins the development presect by using poor ore to produce sponge iron.