Author:
Wu Caibin,Liao Ningning,Shi Guiming,Zhu Liangliang
Abstract
The grinding performance of hexagon grinding media particles has been compared with that of cylpebs grinding media particles. A batch grinding test was conducted using equal masses of hexagons and cylpebs. The particle size distribution and energy consumption during grinding of the ground product were analyzed, and the relationships among the specific surface area, bulk density, energy consumption, and t10 value are discussed. Under the same grinding conditions, the grinding capacity of hexagons was inferior to that of cylpebs. However, as the particle size of the feed became finer, the grinding effect of hexagons became more apparent. At the same time, the qualified particles content in the ground product was higher when using hexagons than when using cylpebs. The relationship between the specific surface area and energy consumption during grinding was consistent with the regular pattern of grinding fineness and energy consumption. In addition, the bulk density of minerals decreases with an increase in grinding energy. The same conclusion was obtained when −0.425 mm tungsten ore was used as a sample for validation. The flotation experiment result has carried out that hexagons as grinding media have a better flotation indicator than cylpebs in the same grinding fineness. It is demonstrated that although the grinding capacity of hexagons is inferior to that of cylpebs, less overgrinding occurs when using hexagons than when using cylpebs. For tungsten ore grinding, hexagons act as a finer grinding media than cylpebs.
Subject
Geology,Geotechnical Engineering and Engineering Geology
Reference25 articles.
1. Some grinding tests with spheres and other shapes;Norris;Trans. IMM,1953
2. Selective Grinding and Its Application;Duan,1991
3. Research on the Application of Crushing Statistical Mechanics Principle and Transition Probability;Wu,2002
4. Cylpebs: An alternative to balls as grinding media;Cloos;World Min.,1983
5. DEM validation of media shape effects on the load behaviour and power in a dry pilot mill
Cited by
5 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献