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Banana screening method and simulation of banana screening process using discrete element method
ZHAO Lala * #,LIU Chusheng,DONG Hailin
School of Mechanical and Electrical Engineering, China University of Mining & Technology, Xuzhou 221116
*Correspondence author
#Submitted by
Subject:
Funding: the Specialized Research Fund for the Doctoral Program of Higher Education of China （No.No.20110095120004）
Opened online:13 February 2012
Accepted by: none
Citation: ZHAO Lala,LIU Chusheng,DONG Hailin.Banana screening method and simulation of banana screening process using discrete element method[OL]. [13 February 2012] http://en.paper.edu.cn/en_releasepaper/content/4463790
 
 
In this paper the fundamentals of banana screening method and the structural features of the banana screen were presented. Based on soft-dry ball contact model, banana screening process was simulated by using 3D discrete element method. The results show that the material bed on banana screen possesses a characteristic of thin and constant thickness along the screen plate. The particles velocity on the screen deck shows a decreasing distribution along the screen deck length and the decrease of velocity changes from steep at the feed end to flat at the discharge end. The instantaneous efficiency of banana screen can reach to above 0.95 and the efficiency of steady state is about 0.83. Numerical simulation results can provide references for insight understanding of the banana screening mechanism and optimization of banana screen.
Keywords:mineral processing engineering;banana screen; screening process; discrete element method; numerical simulation
 
 
 

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