Continuous Ball mill

Continuous ball mills are used wherein the finished product is obtained from a single pass through the mill. This type of operation produces a wide particle size distribution with a high proportion of superfines in the product.

Continuous ball mills require careful selection of length/diameter ratio of the mill to ensure correct residence time and product fineness.

These are designed for continuous operations and produces a relatively coarse product with minimum generation of superfines.

Description

The grinding chamber is formed from perforated grinding plates bolted to shaft mounted end plates fitted with liners.
The chamber is totally surrounded by two concentric sets of perforated screens.
The chamber contains a steel ball charge.
Ground material passes through the perforated grinding plates onto the inner screen surface. Material then passes through this screen continuing to the outer screen which controls the final product size.
Oversize (or semi-ground) material retained on each screen is returned to the grinding chamber through a series of return plates.
Product is collected within a surrounding dust-tight casing with integrated discharge hopper.

Ball Mill Technical Data

Model	Speed of bucket(r/min)	Weight of ball	Size of feed opening(mm)	size of output (mm)	Production(t/h)	Power(kw)	Weight(T)
?1830×3000	24	11	≤25	0.075-0.4	4-10	180	28
?1830×6400	24	23	≤25	0.075-0.4	6.5-15	210	34
?1830×7000	24	25	≤25	0.075-0.4	7.5-17	245	36
?2200×5500	21	30	≤25	0.075-0.4	10-22	370	48.5
?2200×6500	21	30	≤25	0.075-0.4	14-26	380	52.8
?2200×7500	21	33	≤25	0.075-0.4	16-29	475	56

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