粉矿一般粒度在8-13之间。其品位低于块矿，需要通过破碎\磨矿\选别,把块子变成粉子,以达到品位的要求,一般要求60-67%,攀钢的品位57即可。
... 2~66.1%6、贫矿(lean ore):实际含铁量低于理论含铁量70%的铁矿石称贫矿(必须经过选矿后使用)7、块矿(lump ore)和粉矿(fine ore)扣除CO2和结晶水富矿破碎、筛分块矿(>5~10mm),上限粉矿(<5mm)供烧结厂生产烧结矿大中型高炉<45mm中小型高炉<20~25mm...
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This technology is the new beneficiation technology, new technique; in order to product the qualified powdered mine. Sorting by size, it can decrease the energy consumption of crushing and grinding.
此工艺是为产出合格的粉矿而开发研究出的选矿新工艺、新技术。
参考来源 - 赤铁矿选矿新工艺试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这些方法有碎磨、 筛分、 混匀、 选矿以及粉矿造块等。
These processes include comminution, screening, blending , concentration , and further more, agglomeration .
通过成本分析得知，控制爆破成本的主要措施是降低粉矿率。
It is known from cost analysis that key measure for control of blasting cost is to reduce the fines ratio.
通过对会东满银沟、冶炼厂综合粉矿的性质进行研究，提出了分选综合粉矿的方案，对+ 0。
Programs were put forward according to the study on the nature of synthetical powder mineral at Huidong: + 0.
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