### Optimization of continuous ball mills used for finish ...

Nov 01, 2006 ball mills are used for grinding of rocks, cement clinker and limestone from 10 to 100. mm feed sizes down to sub-millimetre product.. they are typically rotating cylinders with diameters from 3 to 6 m and lengths from 6 to 12 m.the flow of particulate solids within these mills can be modelled using the discrete element method dem.Dec 10, 2004 this mill at the polysius rampd centre is used for grindability testing mainly. seventeen different ball gradings were tested. the lab-mill ∅ 0.75 0.45 m, ball charge filling ratio 10, relative mill speed 0.88 were fed with clinker meal with a blaine surface area of 2700 cm 2 g.Apr 29, 2013 cement mill ball charge calculation grinding of cement accounts around 40 electricity bill at a cement plant. for economic amp 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 Re request for feedback for a two chamber cement mill ball charge and longitudinal sieve analysis. as per your given mill details.mill output assumed to be 45 tons hr for more details you can contact me at vikprocemgmail.com it is not so easy to understand the cement plant without being present at site. but, still according to my calculations- - the size of your first chamber grinding Dec 02, 2019 the ball charge typically occupies around 30-36 of the volume of the mill, depending on the mill motor power and desired energy consumption and production rates. air is pulled through the mill Mar 01, 2006 the initial charge of cement clinker was dried at 105 c and sieved between 2.8 and 0.09 mm, using a √2 sieve series to obtain different cement clinker fractions. cement clinker loads used in the experiments were either crude feed material − 2.8 mm or mono-sized fractions 2–1.4 or 1–0.71 mm, or mixtures of the crude material with For fine grinding, the charge consist of small balls, which ensure the best possible grinding efficiency without obstructing the material flow through the ball charge. special designed diaphagm between the grinding compartments effectively screens the material passing from the coarse to the fine grinding compartment. udcm cement mill seriesFor fine grinding, the charge consist of small balls, which ensure the best possible grinding efficiency without obstructing the material flow through the ball charge. special designed diaphagm between the grinding compartments effectively screens the material passing from the coarse to the fine Filling degree chamber length mill diameter liner design and condition mill speed. ball charge filling degree amp composition liner design intermediate diaphragm settings mill ventilation 34. hgrs. tikariamill workshop. sept-07 grinding media. 4,4 tm3 4,6 tm3 4,7 tm3 bulk weight of a grinding media charge in a two chamber mill with