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本文讨论了赤泥中残销在高铁赤泥煤基直接还原过程中的作用．研究结果表明，赤泥中残钠有促进直接还原团块金属化之作用，且促进铁晶核长大的效果比促进铁晶粒成核的效果为强。
This paper discusses the role of residuals in red mud during the direct reduction of high-speed railway red-mud coal-based coal. The results show that the residual sodium in the red mud can promote the direct reduction of the clump metallization and promote the growth of the iron nucleus stronger than that of the iron nucleation.