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运用正交试验法,采用特征粒径和均匀系数两个指标,从超细煤粉布袋收集料与旋风分离料两方面,系统研究了ZM80型振动磨制备神府（SF）超细煤粉的最佳工艺条件。结果表明,分级机转速、进料电流、二次风控制和改性剂是影响分级机分级效率。煤粉特征粒径及均匀系数的主要因素。
Using orthogonal test method and characteristic particle size and uniform coefficient, the effects of ZM80 vibration mill on the preparation of Shenfu (SF) pulverized coal The best process conditions. The results show that the grading machine speed, feed current, secondary air control and modifier affect the classifier grading efficiency. Pulverized coal characteristics of particle size and uniformity of the main factors.