Ball Mill Power Calculation

Please expalin in a n excel sheet to calcualte the same.

Ball mill power calculation. By david michaud 2017 03 17t19 46 25 04 00 august 23rd 2015 categories. In example it was determined that a 1400 hp wet grinding ball mill was required to grind 100 tph of material with a bond work index of 15 guess what mineral type it is from 80 passing inch to 80 passing 100 mesh in closed circuit. 1 calculation of ball mill capacity. Apr 8 2018 ball mill power design calculation example 2.

Kiln audit h m balance calculation 2012. Rod mill power is dependent on mill capacity and work index. Mill power increases with. 8 1 3 power drawn by ball semi autogenous and autogenous mills a simplified picture of the mill load is shown in figure 8 3 ad this can be used to establish the essential.

Ball mill calculations. A ball mill critical speed actually ball rod ag or sag is the speed at which the centrifugal forces equal gravitational forces at the mill shell s inside surface and no balls will fall from its position onto the shell. Use our online formula the mill speed is typically defined as the percent of the theoretical. The imagery below helps explain what goes on inside a mill as speed varies.

Mill is the energy consumption. 16 ball filling degree. The production capacity of the ball mill is determined by the amount of material required to be ground and it must have a certain margin when designing and selecting. The following shows how the size or select the matching mill required to draw this power is calculated from known tables the old fashion way.

Ball mill degree of filling calculation. There are many factors affecting the production capacity of the ball mill in addition to the nature of the material grain size hardness density temperature and humidity the degree of. Calculation of ball mill grinding efficiency. Please tell me how to calculate the grinding efficiency of a closed ckt open ckt ball mill.

Ball mill power calculations. Ball mill design power. Ball mill design power calculation 911 metallurgist. Additional power is required to keep the mill rotating.

Ball mill power calculation example a wet grinding ball mill in closed circuit is to be fed 100 tph of a material with a work index of 15 and a size distribution of 80 passing inch 6350 microns. P m m r 1 752 d 0 33 6 3 5 4j r φ. 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. Ball mill calculations free download as excel spreadsheet xls pdf file pdf text file txt or view presentation slides online.

The power supplied to the mill is used primarily to lift the load medium and charge. In literatures it is written that the grinding efficiency of ball mill is very less less than 10.