Mathematical modeling of fragmentation in cone and roller crushers using modified Whiten's model (1972)

Authors

  • Alfredo L. Coello-Velázquez Instituto Superior Minero Metalúrgico de Moa
  • José R. Hechavarría–Pérez Universidad de Holguín “Oscar Lucero Moya”
  • Luis O. Castellanos-Pérez Universidad de Holguín, Cuba.
  • Juan M. Menéndez-Aguado Universidad de Oviedo.

Keywords:

comminution, crushing, modeling, particles population balance method.

Abstract

Crushing mathematical modeling using particles population balance method is a fundamental tool for process analysis, optimization and design. This paper deals with the evaluation of the fracture events and process in cone and rolls crushers. For that proposes, is taken as reference Whiten (1972) structural model modifying fragmentation distribution function. This function was replaced by Austin and Luckie (1972) expression. For model development, was created an algorithm using Matlab 13a like determining resource of fractures parameters. Model estimated error for evaluated crushers established the viability of its use for modelling and simulation, particularly for rolls crushers that even before were simulated by simple fragmentation models. Classification and fragmentation distribution functions obtained, describe the events and process fracture essentials that take place in both crushers.

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Author Biographies

Alfredo L. Coello-Velázquez, Instituto Superior Minero Metalúrgico de Moa

Doctor en Ciencias Técnicas. Profesor Titular. Instituto Superior Minero Metalúrgico de Moa, Holguín, Cuba.

José R. Hechavarría–Pérez, Universidad de Holguín “Oscar Lucero Moya”

Doctor en Ciencias Técnicas. Profesor Auxiliar. . Holguín, Cuba.

Juan M. Menéndez-Aguado, Universidad de Oviedo.

Juan Mª Menéndez Aguado Profesor Titular Área Explotación de Minas PhD – Mining Engineer – SME/AIME - SOMP Mineral Raw Materials Processing Research Group Escuela Politécnica de Mieres – Univ. de Oviedo c/Gonzalo Gutierrez Quiros, s/n 33600 - Mieres - España

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Published

2017-10-16

How to Cite

Coello-Velázquez, A. L., Hechavarría–Pérez, J. R., Castellanos-Pérez, L. O., & Menéndez-Aguado, J. M. (2017). Mathematical modeling of fragmentation in cone and roller crushers using modified Whiten’s model (1972). Minería & Geología, 33(4), 367–383. Retrieved from https://revista.ismm.edu.cu/index.php/revistamg/article/view/art1_No4_2017

Issue

Vol. 33 No. 4 (2017): October-December

Section

Articles
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