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基于离散元软件EDEM建立三层曲面筛的仿真模型,模拟振动筛的实际工作状态,对筛分效率的影响因素进行研究,获得影响振动筛筛分效率的关键因子及对筛分效率的影响规律。研究结果表明:振动参数对各层筛网筛分效率的影响规律不一致,且因子间存在交互作用,对多层振动筛筛分性能的优化需权衡各层筛网的筛分性能。
Based on the discrete element software EDEM, a simulation model of three-layer curved sieve was established to simulate the actual working state of the vibrating sieve and study the influencing factors of the screening efficiency. The key factors affecting the screening efficiency of the vibrating sieve and its influence on the screening efficiency . The results show that the influence of vibration parameters on the sieve efficiency of all layers is inconsistent, and there is interaction between the factors. The sieving performance of multilayer sieve should be weighed to optimize the screening performance.