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BALL MILL
 
 

 
 

 

 

Continuous Type Ball Mills

 
 

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.
 

Process Flow Sheet of Continuous grinding system

The ball mill grinding system comprises of the classifier, dust collector, weighing scale, feeding device, discharging device and electrical control.
 
 
     
  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)

Ф18303000

24

11

≤25

0.075-0.4

4-10

180

28

Ф18306400

24

23

≤25

0.075-0.4

6.5-15

210

34

Ф18307000

24

25

≤25

0.075-0.4

7.5-17

245

36

Ф22005500

21

30

≤25

0.075-0.4

10-22

370

48.5

Ф22006500

21

30

≤25

0.075-0.4

14-26

380

52.8

Ф22007500

21

33

≤25

0.075-0.4

16-29

475

56

 
     
     
 
 
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