多自由度弹性碰撞筛分法简介（张成勇中国矿业大学机械厂徐州２２１００８）中国矿业大学机械厂的科技人员在深入分析了原煤干法深度筛分技术的应用和发展的基础上，提出了利用弹性杆多自由度碰撞振荡效应来实现筛网的自清理，提高筛分效率的新的筛分法。依此原理制造的筛... Multi-degree-of-freedom elastic impact screening method (Zhang Chengyong China University of Mining and Technology Machinery Plant Xuzhou 221008) China Mining University Machinery Plant in-depth analysis of the technology of the original coal dry depth screening applications and development, based on the use of elastic Rod multi-degree of freedom collision oscillation effect to achieve self-cleaning screen to improve screening efficiency of the new screening method. According to the principle of manufacturing ...