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For a SAG Mill or ball mill; what is the difference between a installed motor power and Mill Motor Size at Pinion? ... Last replied to by Alex Doll Ideal hydrocyclone control is constant pressure, feed density, and flow rate. ... Hi dear friends which one is the best choice in grinding circuit: 1- two large ball mills 2- four small ball mills ...

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Estimate grinding circuit specific power consumptions based on laboratory grindability ... 11:00-12:30 Mill power draw models for ball mills and SAG mills. Alex D. 12:30-13:30 Lunch 13:30-15:00 ... Alex Doll completed his Bachelor of Applied Science degree in

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For design purposes, you need an estimation or prediction of your SAG Mill's tonnage; well, there are 3 ways to generate good rock "ore" hardness testing data for SAG and ball mill circuit grindability from half drill core. We can abbreviate the discussion by saying there are three "religions" of grinding, and there are small-scale tests suitable for all three of the major religions ...

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Sagmilling.com is home to a collection of both free and subscription-based calculation tools to aid metallurgical process engineers perform comminution calculations. Grinding circuit design tools, including for SAG mill-ball mill circuits, and geometallurgy energy models are available to …

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Ore Hardness Testing -SAG Mill Tonnage Estimation Method ... 28 Jan 2016 ... Ore Hardness Testing -SAG Mill Tonnage Estimation Method ... good rock "ore" hardness testing data for SAG and ball mill circuit grindability from half drill core. ... "religions" of grinding, and there are small-scale tests suitable for all three of the ...

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develop grinding circuits, mainly in the field of SAG and ball mill circuits. There are several design methodologies available in the market or through the use of commercial software or expert consultants. This article presents a comparative analysis of three methods for grinding circuit design widely used in the market today,

Ball Mill Wio, BWio Circuit Wio, OWio Bond Ball Mill Work Index, BWi, kWh/t Bond Rod Mill Work Index, RWi, kWh/t Table 1. Example of AG/SAG Ball Mill Circuit Wio Calculations [1] [2] ABstrAct Optimum use of power in grinding, both in terms of grinding efficiency and use of installed capital, can have a large effect on ...

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AMIT 135: Lesson 6 Grinding Circuit – Mining Mill Operator . AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill. Because of the range of mill sizes available, AG/SAG milling can often be accomplished with fewer lines than in a ...

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Dec 22, 2014 ... There are a variety of ways to generate good rock "ore" hardness testing data for SAG and ball mill circuit grind-ability from half drill core. ... "religions" of grinding, and there are small-scale tests suitable for all ... per sample) and most useful for population-balance calculations. ... Alex Doll …

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alex doll grinding circuit sag ball mill calculations. calculate sagball mill circulating load. circulating load calculation in ball mill. Circulating Load Calculation FormulaHere is a formula that allows you to calculate the circulating load ratio around a ball mill and hydrocylone as part of a grinding circuit For example your ball mill is in closed circuit with a set of cyclones ...