›› 2013, Vol. 49 ›› Issue (6): 95-102.
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MA Yanjun;FAN Xiumin; HE Qichang;DONG Gang
Published:
Abstract: In order to quantitatively analyze and calculate crushing quality and support for cone crusher optimization design, an improved cone crusher manipulation model based on the inter-particle breakage theory is built by studying the crushing process of cone crushers, and calculation methods of particle size distribution and particle shape are under studied. The combination of the particle size distribution model and the flakiness rate model for predicting particle shape, uncovers the essential causes of inter-particle breakage of cone crushers. A rock mechanics testing system is used to do experiment to study the inter-particle breakage process of cone crushers. Mathematical models of particle size selection function, particle size breakage function, particle shape selection function and particle shape breakage function are established and parameterized by compression ratio and particle size distribution. With structural parameters and working parameters of the PYGB1121 cone crusher as input, the variation of the particle shape and size can be calculated, and the particle size distribution curve and the flakiness changed with compression ratio and production size distribution are obtained. The outcome provides theoretical models for dynamic optimization of crushing process.
Key words: Cone crusher, Flakiness index, Interparticle breakage, Particle shape, Size distribution
CLC Number:
TD451
MA Yanjun;FAN Xiumin;HE Qichang;DONG Gang. Mathematical Modeling of Particle Size and Particle Shape of Crushing Quality for Cone Crusher[J]. , 2013, 49(6): 95-102.
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