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Monday, April 29, 2013

CEMENT FINISH GRINDING MILL BALL CHARGE CALCULATION


                            Cement mill ball charge calculation

 Grinding of cement accounts around 40 % Electricity bill at a Cement Plant. For economic & efficient operation of a cement mill correct quantity, size and size range of grinding media plays a vital and pivotal role. To get most out of the grinding media, it must be kept clean i.e. there should not be any coating formed on it. In case of coated balls cement mill efficiency will be degraded i.e. low throughput and high power consumption. Appropriate grinding Aids need to be used to keep the Grinding Media Coating free.
 
Here is the method for correct calculation of cement mill ball charge.

Step 1
 
Draw the cross section of Cement Ball Mill as follows: 


















    















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