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介绍了强化筛用于潮湿细粒级粘性物料筛分的数学模型，分析了不同形状、不同尺寸的颗粒在筛分过程中的透筛概率因素，较全面的反映了物料形状、尺寸，筛孔形状、尺寸和颗粒运动速度等因素对实际透筛概率的影响。指出了物料在筛分过程中颗粒能否透筛是众多因素共同作用的结果，潮湿细粒级粘性物料在筛分过程中要获得好的筛分效果就必须采用大振幅、大振动强度及较低频率等工艺参数来进行物料的筛分
The mathematic model of the sieve used to strengthen the wet fine-grained viscous material is introduced. The probability of sieving through the sieve with different shapes and sizes is analyzed, which comprehensively reflects the shape, size, Shape, size and particle velocity and other factors on the actual sieve probability. It is pointed out that the particles can be sieved through the sieve process is the result of many factors together, wet fine-grained sticky material in the sieving process to obtain good screening effect, we must use large amplitude, large vibration intensity and more Low frequency and other process parameters for screening of materials