Particle Movement Behavior in Drum Coal loading Process by Discrete Element Method

Due to the restrictions of conditions, the movement of coal particle during drum coal loading process cannot be determined by test method only. In this paper, discrete element method was combined with test method to study the coal particle movement behavior. The particle mean velocity in X, Y, Z direction in drum envelope range was obtained under different simulation conditions. And the reason why mean velocity in X, Y, Z direction changed was analyzed emphatically. The relationship between the velocity and drum coal loading rate was also analyzed. Based on this, the influence of drum rotation speed on mechanism of drum coal loading with drum ejection and drum pushing was indicated, and provides a guide to drum structure design and working parameters selection.