Example analysis of what is the material hardness difference

As a mill manufacturer, perennial production and supply of a variety of series of grinding equipment for customers, users around the country is very much, deep processing of a wide variety of materials, different materials grinding processing yield difference, which is related to what factors?

Hardness, exactly should be related to the hardness of the material, we are talking about Mohs hardness, from 1 to 10, to give you a brief introduction, the hardness of the smallest number of talc, Mohs hardness of 1, and gypsum's hardness of 2, limestone's hardness of 3, barite for 3.5, manganese ore for 4.5, iron ore for 5.5, feldspar for 6, quartzite for 7, the hardness of steel slag 7.5, corundum 9, diamond for the highest 10. diamond is up to 10.

On the surface, these materials are within 10 hardness difference value, is not the hardness of limestone than talc 3 times, quartzite hardness than talc 7 times it, if this understanding is completely wrong. But some customers think so, OCP company's mill, for a variety of materials can be ground processing, parameter data are based on limestone to determine.

Example analysis: YGM130 mill, processing limestone, 325 mesh hourly output of 6 tons, if the processing of quartz powder 200 mesh hourly output of 2 tons or so, if only to the value of the measure, it is not accurate, we must know that the processing of talcum powder, 325 mesh hourly is less than 10 tons. So, can not be hardness values to determine the output of material milling, here is to be based on the combination of fineness and hardness, because the hardness difference in 3, it is possible that the real hardness difference of many times.

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