IN LITERATURES IT IS WRITTEN THAT THE GRINDING EFFICIENCY OF BALL MILL IS VERY LESS LESS THAN 10%. PLEASE EXPALIN IN A N EXCEL SHEET TO CALCUALTE THE SAME.
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Ball mill grinding efficiency is influenced by many factors: ore grindability, feed size, grinding product size, ball mill diameter and length, ball mill working speed, liner type, steel ball loading system, grinding concentration, return sand ratio in closed circuit grinding and feed rate.
Ten Ways to Improve the Grinding Efficiency of Your Ball Mill There are a lot of problems that most mineral processing plant will meet when operating the ball mill, such as low grinding efficiency, low processing capacity, high energy consumption, unstable product fineness of the ball mill.
The following are factors that have been investigated and applied in conventional ball milling in order to maximize grinding efficiency: a) Mill Geometry and Speed Bond observed grinding efficiency to be a function of ball mill diameter, and established empirical relationships for recommended media size and mill speed that take this factor into account. As well, mills with different ...
According to Bond , the grinding efficiency of a mill depends on the ball mill diameter, size of the media and mill speed. Ball mills with different length to diameter ratios for a particular power rating will produce different material retention times.
Mineral slurry density: in wet grinding, material pass time, production efficiency and ball mill power are all influenced by mineral slurry density. Generally speaking, the suitable density is close to 80% when feeding size is large and circulating load is high. 4.
What is the effect of low ball % full on grinding efficiency?One of our clients is thinking of the future and has bought a ball mill that will be the right size someday, but is very large now.I know what happens to mill power from adjustments to % critical speed and % balls charge.
Ball grinding processes encounter inefficient performance since the collisions of grinding balls are random. In addition, some collisions may be ineffective if the impact force is too small. Therefore, grinding efficiency can be improved by optimization of the media selection.