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| 电熔融还原法; ELRED 法 (【技】一种以煤粉、电能为能源的熔融还原炼铁工艺。冶炼时首先将煤粉和预热空气从加压循环流态床中部送人，精矿粉从顶部送人，对流化状态下的矿粉进行预还原；然后，预还原料、焦粒、熔剂从位于等离子直流电炉中心的中空碳素电极孔加人，在炉内等离子高温区熔化、还原、渗碳，冶炼成铁水。) | |||
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