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1/1/1989 INTRODUCTION The energy consumption for grinding, according to Bond (1961), is deter- mined by the formula: / 10 10 (I) The work index is determined by grinding experiments carried out in a labo- ratory Bond ball mill.

The grinding-product size, P, in a Bond ball mill, which is given by the aperture size which passes 80% of the grinding product as a function of the aperture size of

Calculate Energy Estimated In A Ball Mill Dynamic Stiffness Calculation Of Ball Mill How to Sie a Ball Mill -Design Calculator Formula. know more：If you want to know more product information.You can click on the button on the right to contact us or send us

12/12/2016 The ball mill motor power requirement calculated above as 1400 HP is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution. The following...

The 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

Thus, the ball mill consumes 12.89 kWh/t, more energy than the SAG mill in producing the final product. . a Starkey mill was used to measure SAG mill power. Read more UBC MINE331 Lecture Notes SAGMILLING.COM

that is used has come from a Bond ball mill work index test that has generated a similar value to that input to the “Tumbling mill circuit product P80- final grind” field. If this is not the case the resultant specific energy prediction accurate might be compromised.

how to calculate energy efficiency grinding mill Calculation of energy required for grinding in a ball mill the grindingproduct size, p, in a bond ball mill, which is given by the aperture size which passes of the grinding product as a function of the aperture size of the

Grinding in Ball Mills: Modeling and Process Control ware rate, influence on the particle breakage rate and energy efficiency of the grinding process [15, 18, 22, 28]. A comparison between ball mils and cylpebs is made in [ 42]. The speed of rotation of the mill

the ball mill is less energy efficient than a crusher and has to input more energy to do the same amount of size reduction). Hence from equation 7, to crush to the ball mill circuit feed size (x 2) in open circuit requires specific energy equivalent to: f x f x 2 1 W