Mill rated capacity 150 th opc at 2800 blaine i chamber liners ii chamber liners stepped classifying mill size 4.5 m ld ratio mill drive 3.58 5000 kw diaphragm double blind plate mill speed 15.2 rpm gm in i chamber 107 t critical speed 76 gm in ii chamber 217 t separator sepax 450m-222 separator cyclone 4 nos.
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H however, despite a generally good performance of vertical roller mills used for grinding of cement and related products the vertical roller mill is still inferior to the ball mill in terms of sensitivity to variations of mill feed quality fineness and mill feed rate.Product quality.
Ball mills are used primary for single stage fine grinding, regrinding, and as the second stage in two.
The results obtained from this work show, the ball filling percentage variation is between 1.7 which is lower than mill ball filling percentage, according to the designed conditions 15.In addition, acquired load samplings result for mill ball filling was 1.Keywords miduk copper oncentrator, sag mill, ball filling percentage.
Max is the maximum size of feed mm is compression strength mpa e is modulus of elasticity mpa b is density of material of balls kgm 3 d is inner diameter of the mill body m.Generally, a maximum allowed ball size is situated in the range from d 18 to d24.The degree of filling the mill with balls also influences productivity of the mill and milling efficiency.
Ball mill price list ore processing.Offers 8750 laboratory ball mill products about 30 of these are mine mill 52 are grinding equipment and 0 are other pharmaceutical machinery a wide variety of laboratory ball mill options are available to you such as product type condition,ball mill price list ore processing.
Example two compartment cement mill diameter 4.05 m length 12 m filling degree 196 tons at 30 filling degree mill speed 16.223 from the figure then k 0.2 calculation of the specific consumption of energy per ton of clinker the specific consumption of energy per ton of clinker.
Generally, a maximum allowed ball size is situated in the range from d18 to d24.The degree of filling the mill with balls also influences the productivity of the mill and milling efficiency.With excessive filling, the rising balls collide with falling ones.Generally, filling the mill by balls must not exceed 3035 of.
A typical type of fine grinder is the ball mill.A slightly inclined or horizontal rotating cylinder is partially filled with balls, usually stone or metal, which grind material to the necessary fineness by friction and impact with the tumbling balls.Ball mills normally operate with an approximate ball charge of 30.
Feed rods in to mill.In standard rodmilling it will be found that rods spread apart at the feed end in the amount of the maximum size of feed entering the mill in the center peripheral discharge mill the rods are spread at both ends and parallel throughout the length of the mill.