When choosing milling equipment,it is necessary to know the detailed information about grinding mineral materials, such as ore particle size, the nature of the ore, the clay content of the raw material, by understanding these issues is helpful to reasonably configure the device type and model, in order to achieve the best grinding operation effect.
1, the clay content in the ore grinding operations: When there is a large amount of clay in the ore, especially containing ore gum mud, it is easy to make pulp-linking too large, which is difficult to flow and discharge out from the mill, it will affect ball mill productivity. Some flaky and fibrous minerals in the ore also affect grinding, they are easily to be labeled as flaky or fibrous and difficult to finely ground such as coal and talc, the hardness is low, but slippery, it is difficult to be finely ground, their energy consumption index may greatly exceed that of the hard ore.
2, the nature of the ore: it largely affects the ball mill grinding operations; the mechanical properties of mineral and ore are hard and brittle, so the mineral aggregate grated power consumption is great. The tough ore is difficult for grinding, the impacting and crushing is ineffective, but the shear grinding stripping is better. The macroscopic or microscopic cracks in the ore can reduce the strength of the ore, which is conducive to be milled.
3, the mechanical properties of the ore: it has a tremendous effect on the grinding, to determine the anti-crushing performance parameter of the ore is a prerequisite for a reasonable choice of the size of the steel ball. The scientific choice of the grinding conditions according to the mechanical properties of the ore makes a good grinding effect.
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