SIZE |
CONTAINER CAPACITY |
SHELL THICKNESS |
GEAR BOX |
LID SIZE OPENING |
SHAFT SIZE |
MOTOR HP |
2' X 2' |
175 |
10 |
3” |
10” X 10” |
60 MM |
2 |
2'6" X 2'6" |
325 |
10 |
3” |
10” X 10” |
60 MM |
3 |
2'6" X 3'6" |
440 |
10 |
3” |
10” X 10” |
60 MM |
5 |
3' X 3' |
590 |
10 |
4” |
12” X 12” |
75 MM |
5 |
3'6" X 3'6" |
900 |
10 |
4” |
12” X 12” |
75 MM |
7.5 |
4' X 4' |
1400 |
14 |
5” |
14” X 14” |
100 MM |
10 |
4'6" X 4'6" |
1600 |
14 |
5” |
14” X 14” |
100 MM |
15 |
5' X 5' |
2200 |
16 |
6” |
15” X 15” |
125 MM |
20 |
6' X 6' |
4750 |
19 |
9” |
16” X 16” |
150 MM |
25 |
7’ X 7’ |
7600 |
20 |
10” |
16” X 16” |
175 MM |
75 |
8’ X 8’ |
11000 |
22 |
12” |
20” X 20” |
200 MM |
100 |
Note: Working capacity to be calculated at 50% of container capacity.
BALL MILL WITH HOPPER M.O.C. (MILD STEEL) |
SIZE |
4' X 4' |
5' X 5' |
6' X 6' |
8’ X 8’ |
CONTAINER CAP LTRS |
1400 |
2750 |
4800 |
11,000 |
BATCH SIZE LTRS |
600 |
1100 |
1920 |
10,000 |
SHELL THICKNESS |
14 |
16 |
19 |
19 |
SIDE PLATE |
16 |
20 |
25 |
25 |
HOPPER THICKNESS |
3MM |
3MM |
3MM |
3MM |
HOPPER SIZE |
5’ X 5’ |
6’ X 6’ |
7’ X 7’ |
10’ X 10’ |
HOPPER TYPE |
2 HALF FOLDING |
2 HALF FOLDING |
2 HALF FOLDING |
2 HALF FOLDING |
REDUCTION GEAR BOX |
5” |
6” |
9” |
12” |
LED SIZE OPENING |
14” X 14” |
15” X 15” |
16” X 16” |
24” X 24” |
SHAFT SIZE |
100 MM |
125 MM |
150 MM |
150MM |
MOTOR HP |
15 |
30 |
50 |
100 |
FINAL SPEED |
23 |
21 |
19 |
20 – 22 |
Note:
Working Capacity Will Be 25 To 35% Of Total Capacity After Loading Grinding Media. Grinding Media To Be Loaded 40 To 60% Of Volume Depending On Material To Be Ground.
TABLE INDICATING THE OPTIMUM MILL SPEED AND MOTOR OF BALL MILLS
Inside Dia
mm |
Inside Length mm |
DRY GRINDING |
WET GRINDING |
Speed (RPM) |
Motor Power (HP) |
Speed (RPM) |
Motor Power (HP) |
Steatite
media |
Alumina
media |
Steatite
media |
Alumina
media |
Steatite
media |
Alumina
media |
Steatite
media |
Alumina
media |
300 |
300 |
60 |
54 |
½ |
½ |
46 |
38 |
½ |
½ |
450 |
450 |
50 |
44 |
½ |
½ |
37 |
31 |
½ |
½ |
600 |
600 |
43 |
38 |
1 |
1 |
33 |
27 |
1 |
1 |
750 |
750 |
39 |
34 |
1½ |
1½ |
29 |
24 |
1½ |
1½ |
900 |
900 |
35 |
31 |
2½ |
3 |
27 |
22 |
2½ |
3 |
1050 |
1050 |
33 |
29 |
5 |
5 |
25 |
20 |
4½ |
4½ |
1200 |
1200 |
31 |
27 |
7½ |
7½ |
23 |
19 |
6½ |
6½ |
1350 |
1350 |
29 |
25 |
12 |
15 |
22 |
18 |
8 |
12 |
1500 |
1500 |
27 |
24 |
15 |
15 |
21 |
17 |
12 |
15 |
1800 |
1800 |
25 |
22 |
25 |
30 |
19 |
16 |
20 |
25 |
2100 |
2100 |
23 |
20 |
37 |
40 |
17 |
15 |
30 |
37 |
2400 |
2400 |
22 |
19 |
55 |
75 |
16 |
14 |
45 |
55 |
2700 |
2700 |
20 |
18 |
90 |
100 |
15 |
13 |
75 |
100 |
3000 |
3000 |
19 |
17 |
125 |
150 |
15 |
12 |
100 |
125 |
The above figures are derived from empirical formula, however you have to select the available motor of nearest capacity.
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