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Are you familiar with the rock crushing theory?

February 9, 2012

Crusher through the research of rock formations we can know that there are so many defects in the rock.




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(Free-Press-Release.com) February 9, 2012 -- Crusher through the research of rock formations we can know that there are so many defects in the rock. When the rock break, it split at the most vulnerable sections first, then, it split at the times fragile surface. With further broken, the small stones become harder step by step, when the rock crushing to a basic grain size, it is hard to break. Through this theory, the small rock broken, the more energy is consumed.

During the Crushing machine operation, one parts of energy consumed in the elastic deformation of the machine itself, one parts of energy consumed in the elastic deformation of the rock, one parts of energy consumed in the friction between machine and rock. There is only about 10% energy consumed in the rock crushing.

Broken theory is research the energy consumed during the rock crushing. But due to the crushing process is complex, the existing theories have some limitations.

Area hypothesis: In the area hypothesis opinion, the energy consumed in crushing materials is inversely with the surface area of materials which is crushed.

The volume hypothesis: In the volume hypothesis opinion, crushing the large materials into small ones with similar geometry shapes, the consumed is inversely with the volume or weight.

Crack hypothesis: Crusher In the crack hypothesis opinion, rock is deformed under pressure. When the deformation power accumulated to bigger, the rock will cracks and broken at last. The energy consumed in crushing is inversely with the surface and volume of materials.

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