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通过对冲击和研磨力学模型、振动磨机两自由度线性振动模型、非线性碰撞振动模型、离散磨介群动力学模型的比较分析,离散磨介群动力学模型可以更准确地定量分析整个磨筒流场内磨介各物理量的变化规律以及磨介群内部“粒子”之间耦合关系.在此基础上,根据离散磨介群动力学模型所描述的磨介群运动学特征,借助于电子计算机模拟了不同参数条件下离散磨介群的运动轨迹,结果说明对应于振动磨机不同工作参数的组合,磨介群有着不同的工作状态和作用方式,能量分布亦有不同.这也为振动磨机的进一步研究和开发提供了理论依据.图3,参7.
Through the analysis of impact and grinding mechanics model, two-degree-of-freedom linear vibration model of vibrating mill, nonlinear collision vibration model and comparative analysis of discrete grinding media kinetics model, the discrete grinding media kinetics model can more accurately quantify the entire grinding The variation law of each physical quantity of the mill media in the flow field and the coupling relationship between the “particles” inside the media group.On this basis, according to the kinematics characteristics of the media group described by the discrete media group dynamics model, The computer simulation of the movement trajectory of discrete media group under different parameters shows that the media group has different working states and modes of action corresponding to the different working parameters of vibration mills and the energy distribution is also different It provides a theoretical basis for the further research and development of vibration mill.