larger capacity ball mills not discharging
Mar 14, 2016· The use of ball-mills for reducing crusher product to 85 per cent, below 200-mesh in two stages, as practised at the United Eastern, Tom Reed, and Montana mines, in Arizona, is a distinct advance in fine crushing The simplicity, small floor space and large capacity of these installations are especially notable
For overflow ball mills, the charge should not exceed 45% of the mill volume For grate discharge mills, the charge should occupy about 50% of the mill volume Bond developed a relationship that can be used to determine the percent charge by volume as a function of the vertical height above the charge, He, and the radius of the mill, R, ie.
Jan 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】
Jun 24, 2015· If you do not need a deep primary grind, a retrofit/conversion might be of value A very high impact opportunity to increase your ball mill tonnage A conversion is cheap in price as you can read in the footer The cost of a ball mill conversion from overflow to grate discharge is ‘fairly’ affordable at $65,000 for a 13′ x 15′ mill
Jun 23, 2020· If a mill has available power, conversion of the discharge arrangement from overflow to grate can be beneficial in allowing increased throughput or a finer product size Conversely, if the mill does not have available power then it is still possible to install a grate discharge and to draw the same power by using a lower ball charge
May 01, 2020· Too large a material ball ratio indicates too much ore in the mill, which might cause the mill to swell, and would affect the movement of grinding media and the circulation of ore in the mill, and also lower the mill capacity , With a filling rate of 32% and a material ball ratio of 07, 085, 10, and 115, the effect of the material ball .
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