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The following equation is used to determine the power that wet grinding overflow ball mills should draw. For mills larger than 3.3 meters 10 feet diameter inside liners, the top size of the balls used affects the power drawn by the mill. This is called the ball size factor S. Rod and Ball Mills by C.A. Rowland and D.M. Kjos Allis-Chalmers

Get PriceThe basic parameters used in ball mill design power calculations , rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closed

Get PriceAbstract Ball mills, like other comminution devices, consume large amounts of energy. Mill operators often have to assess the power draft of mills for an entirely different set of operating conditions or for a reconfigured circuit. It is shown that the power draft can be accurately predicted from analysis of the motion of the charge.

Get PriceMar 01, 2020& 0183;& 32;It was reported that for a ball mill with 5 m diameter and 7 m length, the power draw can be between 2.5 and 3.5 MW, only 1–5% of this energy uses for the size reduction as an actual duty of milling 4 . Therefore, estimation of power-draw can be considered as an indi or for a mill performance 5 , 6 , 7 .Cited by: 4

Get PriceHow Steel Charge affects Ball Mill Power Draw - Grinding and Classifi ion Circuits - Metallurgist and Mineral Processing Engineer. Yesterday I calculated the power draw of our ball mill. I attach a graph of it. Is it possible to have calculated mill power draw to be greater than mill motor HP? Calculated mill power draw is 1,509 HP Mill motor HP is 1,500 HP According to the calculations, at 54% mill …

Get PriceThe mill power draw models are used to predict how much power will be consumed by a particular type of mill, mill geometry and set of mill operating conditions. This power is transferred to the ore and used to predict the throughput when combined with the specific energy consumption models. Models of this type do not predict the particle size distribution of a milled product — the more compli ed population …

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Get PriceWet Ball Mill Power Draw Bond For wet ball mills, Bond expressed power draw as a function of the total mass of media: P& 226; “M / M& 226; “B – 15.6& 206;& 166;& 226; “V 1 – 0.937 …

Get PriceApplies to both SAG and ball mills, with variants for grate-discharge and overflow mills. This model was developed as part of the PhD thesis of Stephen Morrell at the University of Queensland and is the model used in the JK SimMet software for determining mill power draw.

Get PriceMetallurgical ContentGrinding Mill Power Scale-UpEffect of Lifter Height and Liner Thickness on Grinding Mill PowerEffect of Mill Lifter and Liner Wear and Shape on TonnageEffect of Pulp Rheology on Grinding Mill PowerPower Required to Drive a Rod Mill The power required to drive a tumbling mill is of interest both to the designer and to the mill operator: to the former as a basis of design for the

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