Segregation Modeling in Stockpile Using Discrete Element Method

doi:10.3390/app122312449

Segregation Modeling in Stockpile Using Discrete Element Method

2022-12-05

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DOI：10.3390/app122312449

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During stockpile feeding, the small particles migrate to the center of the stock while large particles end up around the edges. This phenomenon influences how the mineral is fragmented in the subsequent stages of size reduction. In this study, the primary variables involved in this phenomenon were studied using the discrete element to simulate particle segregation. Results show that the ratio between coarse and fine particles strongly affects particle segregation. The segregation phenomenon was not observed when there were fewer coarse particles in the mix. The feeding height was also found to influence segregation and to affect the angles of repose and dumping. Finally, the rounded polyhedral shape of particles generated the simulation performance most similar to actual particle segregation based on a case study analyzed.

Segregation Modeling in Stockpile Using Discrete Element Method

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