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The Fineness of Ball Mill is Crucial to Iron Ore Dressing Process
With the continuous progress of mineral processing technology and smelting industry, the iron precision has been improved, which means that the domestic economic construction is in continuous progress. Hongxing iron ore dressing equipment is used for the professional enrichment and purification equipment for raw ore, which combines the shape and physical properties to get the high quality iron concentrate. In the production process of iron ore dressing equipment, in order to improve the grade of iron concentrate, the grinding fineness of ball mill is the key equipment to improve the iron ore dressing process.
We can draw a conclusion from a large number of iron ore production practice and test: in a certain range, if the grinding fineness increases 1 percentage points, the grade of iron concentrate will increase 0.08 percentage point. Then the feeding particle size of the ball mill is the key element to improve the iron ore grade. On the premise that the ore properties do not change too much, the processing capacity of ore dressing plant will be increased by 27%. In iron ore dressing process, the feed size of ball mill is from 0 ~ 20mm to 0 ~ 14mm, which will realize more crushing and less grinding to improve the grinding efficiency of the production, reduce production costs and meet the requirements of the production process.
In order to improve the grade of iron concentrate, in addition to the measures mentioned above, the reasonable ore matching is also important. For ore dressing factory, the general source of raw ore is different, and each mine ore also has its own properties, which is the same as the grindability and beneficiability. In order to stabilize feeding properties of ores, we can put different raw ores into the grinding quantity according to its production with the strict proportion. When the different raw iron is not balanced, the establishment of buffer storage field can ensure the grinding ore ratio
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