this technology and show summary of the recent test work of this fine grinding technology on an iron ore application 11 Equipment Description 111 Mill structure Outotec HIGmill is a “stirred media” grinding mill, in where the stirred effect is caused by rotating grinding ,

Know MoreDec 22, 2016· Ball mill grinding is one method of crushing ore to an appropriate size fraction , The trick or art to all of this is to rotate the drum at a distinct rpm and the balls are harder than the ore .

Know MoreJan 30, 2018· Ball Mills 【Capacity】 From 02-90 T/H 【Advantages】Designed for long service life, minimum maintenance, can grind and homogenize mineral ores down to the nano range, large volume of processing capacity 【Max Feeding size】

Know MoreApr 28, 2017· Open Circuit Grinding The object of this test was to determine the crushing efficiency of the ball-mill when operating in open circuit The conditions were as follows: Feed rate, variable from 3 to 18 T per hr Ball load, 28,000 lb of 5-, 4-, 3-, and 2½-in balls Speed, 197 rpm

Know MoreBall Mill Size as a Replacement Grinding media wears and reduces in size at a rate dependent on the surface hardness, density and composition of the ore Ball wear is directly proportional to surface area per unit mass and thus inversely proportional to ball diameter Other factors include: Speed of mill rotation; Mill diameter; Mineral density;

Know MoreMetal Mine ›› 2020, Vol 49 ›› Issue (09): 142-146 Previous Articles Next Articles The Influence of Crushing Modes on Grinding Speed and Ball Mill Work Index of the Magnetite Iron Ore LI Mingyu，CHEN Wanqing，CHENG Yicun，GUO Tianyu

Know Moreapproach to optimizing ball milling in iron ore grinding for pellet feed preparation, showing how information from batch grinding tests and proper measurements of residence time distributions of a pilot-scale and a continuous mill can describe , The mill speed was adjusted to achieve 683% of critical speed, corresponding to 613 rpm The .

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