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通过对三种老厂改造方法的技术、经济分析对比 ,并结合老厂改造本身的特殊性 ,指出采用跳汰粗选、粗精煤再用两产品重介旋流精选方法是一种适合老厂改造的有效途径。
Through the technical and economic analysis and comparison of the three old factory reformation methods and the particularity of the reformation of the old factory, it is pointed out that the selection method of heavy medium cyclone with two products by using coarse jig and coarse coal re-use is a suitable An effective way to transform the old factory.