【摘要】 论述了选煤主洗设备３ＮＺＸ－７１０／５００中心给料三产品重介旋流器的分选原理，介绍了该设备的结构以及参数设计，并对其工业应用效果作了进一步描述。当分选乌达矿区５０～０５ｍｍ极难选煤时，该旋流器第一段可能偏差Ｅｐ１≤００３０，第二段可能偏差Ｅｐ２≤００４２，最大处理量１３０ｔ／ｈ，数量效率高于９０％。完全适用于高灰、高硫、极难选煤的分选。更多还原

【Abstract】 Abstract This paper introduced a coal preparation principle, structure and parameter design of a main coal preparation equipment - 2 NZX - 710/500 three products heavy medium cyclone with central feeding This paper also stated the industrial application results When with 50 to 0 5 mm difficult preparation coal in Wuda coal mine, the first stage of the cyclone may have offset Ep1 ( 0 030 and the second stage may have offset Ep2 ( 0 042 The max capacity of the cyclone is 130 t/h and the efficiency was up to 90 % The cyclone is suitable for coal preparation of high ash coal, high sulfur coal and difficult preparation coal更多还原