Abstract
Article describes issues related to the assessment of raw materials grinding efficiency in an electromagnetic mill. Application of such type of mill in grinding processes can result in measurable benefits of more efficient raw material grinding by reducing time needed to produce a product of a suitable particle size compared to conventional mills. The expected effect of application of a system based on an electromagnetic mill is to achieve a lower energy consumption of grinding process for raw material processing compared to the existing equipment used for the fine grinding. A key element of correct design of comminution circuits in processing of particular feed mineral is to identify the impact of key factors affecting the efficiency of the grinding process. The most important factors determining the efficiency of the grinding process are the time, the construction parameters of the machine, the type of grinding media used in grinding process, as well as the parameters of the feed, among others the crushing resistance or particle size. The paper presents the results of kinetic study of copper ore grinding in electromagnetic mill for variable feed particle size distribution of and different sizes of grinding media.
Highlights
Fine grinding operations are part of processing in case of many mineral raw materials
Depending on the required particle size distribution and maximum grain size of final product, grinding process is conducted in appropriate types of mills
One of the new grinding devices is an electromagnetic mill, which, due to its grinding capabilities has a high potential for efficient comminution of raw materials at low energy costs
Summary
Fine grinding operations are part of processing in case of many mineral raw materials. Depending on the required particle size distribution and maximum grain size of final product, grinding process is conducted in appropriate types of mills Such devices work with different efficiency, determined by the energy consumption, performance and especially comminution degree of the final product. Due to constant decrease of useful component content in the currently used ores, in order to obtain a comparable amount of metal in the concentrate, manufacturers are striving to increase production which means an increase in operating costs. Such situation stimulates further research on technical and technological solutions enabling the process of ore treatment to be run at the lowest possible cost. An important issue in application of electromagnetic mill is determination of the feed parameters which determines the efficiency of the mill’s operation [4]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
