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Running a low circulating load means you are running a high retention time, and a "fine" particle created at the "front" of the mill must be delivered to the end of the mill, and during the journey it is likely to be overground this is the inefficiency David is referring to.

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I believe that as circulating load in a ball mill increases beyond a critical point the mill power draw begins to fall so there is an adverse effect on grinding efficiency (apart from the obvious physical problems it causes like high scats rates. mill designers and classifiers designers is solicited to under stand the of ...

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conditions of mill volume, mill speed, feed particle size, a circulating load of 250% and a control sieve size that depend on the target particle size [2], [5]. The Bond’s work index is highly sensitive to the control sieve size and

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Oct 20, 2014· There is a general consensus within the industry that classification efficiency and circulating load both have a major effect on the efficiency of closed circuit ball mills. ... mill …

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The main purpose of our study is to analyze the effect of operating conditions in a CKP mill on the fracture parameters for predicting the material size distribution of cement clinker and establish the relationship between the mill circulating load, new feed and …

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### Effect of Circulating Load | Mill (Grinding) | Industries

Work Effect of Circulating Load on Bond Work Index Figures 1 shows the variation in the Bond Work Index with the circulating load. % 12. Wi .684 0. the bond work index for natural sand is highest followed by limestone and coal is the least as expected. called Bond Grindability (Gbg) was calculated.

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