At Minera Centinela / El Tesoro the ore that feeds the primary crusher is of the exotic type with a high content of fines and clays, which results in a ROM (run of mine) feed grain size curve of 80% under 1 inch. In addition to the above, when the mineral has a humidity of more than 5.5%, the crusher is jammed as a result of the adherence to the walls of the feed hopper and compaction of the material, generating suspended load. In addition to the above, the material entering the crusher chamber adheres to the walls causing restrictions in the discharge flow. Both conditions generate operational discontinuity, reduced plant performance, risky conditions for the people in charge of cleaning, and damage to the facilities.
The objective of this challenge is to identify technological solutions, products or systems that allow reducing of plugging and residence times of the ore in primary crushing.
A rock breaker is available to help push the load and reduce oversize.