Paper ID: 8612

Study on the Mechanism of Particle Breakage under New Composite Loads

Zhanfu Li1,2, Yiqing Ye 1, Xin Tong1,*& Kunyuan Li 1

1Mechanical Engineering training base, School of Mechanical and Automobile Engineering, Fujian University of Technology, Fuzhou, China

2China state construction engineering corporation, Fuzhou, China




A theoretical model of particle breakage under the novel combination of dynamic and static loads is presented in this paper. In order to enhance the capability from the actual physical and mechanical properties towards rocks, parallel connector parameters of bonded particle model (BPM) from discrete element method (DEM) were instructed by uniaxial compression tests. Then we define efficiency evaluation index system of particle breakage and set different simulations of various parameters including speed of moving plate, curvature of moving plate, curvature of fixed plate, space of two plates, the initial radius of particle. The mechanism of particle breakage was analyzed by the relationships between efficiency evaluation index and various parameters. The research of particle breakage theory and law can help to design and improve the crushing equipment, reduce the energy consumption of crusher, and improve the quality of broken products.

Keywords: bonded particle model; breakage behavior; discrete element method; energy consumption; particle breakage.


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ISSN: 2338-5502