powdered ore

基本解释

The invention discloses a method for preparing the chromium-iron alloy directly by adopting the chromium iron powdered ore.
本发明公开了一种利用铬铁矿粉直接制备铬铁合金的方法。
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The results showed that the reduction temperature of V-Ti magnetite ore with powdered metal and sodium salt could be reduced obviously.
结果表明，添加金属粉和钠盐后钒钛磁铁矿还原温度明显降低；
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To recover entrained powdered iron ore from the off gas of the fluidizing furnace is one of the key techniques in two-stage smelting reduction.
流化炉尾气中矿粉的回收是实现二步熔融还原工艺的关键技术之一。