Simulation of Electrostatic Accumulation of Explosive Particles Based on EDEM
In order to improve the safety of explosive particles during transportation,the electrostatic accumulation of explosives after passing through chute was studied.JO-9159 explosive was selected for research,and simulation calculation was carried out by EDEM to study the effect of chute length,chute angle,chute width and explosive particle size on the static accumulation during transportation.The results show that the electrostatic accumulation of JO-9159 explosive decreases with the increase of chute angle,and when the chute angle increases from 20° to 40°,the charge-to-mass ratio of JO-9159 explosive decreases by about 400%,which has a significant effect on the electrostatic accumulation.The charge-to-mass ratio of explosive increases with the length of chute.The wider the chute,the smaller the accumula-tion degree of charge particles in the chute,the larger the contact area with the chute,the larger the charge transfer amount and the higher the charge-to-mass ratio of explosive.The smaller the explosive particle size,the stronger the ability of the particles to break the electron distribution on the surface of the object,the more charge transfer amount,the larger the charge-to-mass ratio of the explosive particles.The influence of chute angle on electrostatic accumulation of explosive particles is significantly greater than the other three factors,and the order of influence on electrostatic accumulation of explosive particles is chute angle>chute length>chute width>explosive particle size.
EDEMaccumulation of static electricityJO-9159 explosivechute method
万方数据
维普
