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Mining Ball Mill for 150-Mesh Controlled Particle Size
A 150-mesh (100-micron) mining ball mill is engineered to grind crushed ore to a tightly controlled upper size limit of 100 $\mu\text{m}$. Tight particle size control at 150 mesh is crucial for specific mineral extraction processes—it maximizes target mineral liberation while strictly preventing over-grinding and energy waste.
1. Applications
Gold & Silver Cyanidation/Leaching: Preparing ore feeds where 100 $\mu\text{m}$ provides optimal surface area for chemical leach kinetics without slowing downstream filtration.
Coarse-Particle Flotation: Grinding copper, molybdenum, or lead-zinc ores that liberate cleanly at a slightly coarser size than standard 200-mesh circuits.
Industrial & Non-Metallic Minerals: Processing silica sand, barite, and fluorite where precise particle size distribution is required for end-product specs.
2. Working Principle
Feeding & Shell Rotation: Crushed ore enters the rotating horizontal cylinder equipped with impact-resistant liners.
Balanced Grinding Action: A tailored mix of medium-to-large steel balls is lifted by shell rotation and drops onto the feed. Grinding occurs through a calibrated balance of impact (shattering coarse particles) and attrition (smoothing intermediate sizes).
Strict Closed-Circuit Control: To strictly enforce the 150-mesh limit, the mill slurry is pumped to high-accuracy hydrocyclones or fine vibrating screens.
Recirculation: Particles finer than 150 mesh ($100\ \mu\text{m}$) pass to downstream processing, while coarse fractions are immediately sent back to the mill inlet to prevent under-grinding.
3. Key Advantages
Precise Size Distribution: Closed-loop classification ensures sharp cut-offs at 150 mesh with minimal oversized or under-sized slimes.
Optimized Power Consumption: Consumes substantially less grinding energy per ton compared to 200-mesh or 325-mesh fine-grinding circuits.
Higher Downstream Recovery: Prevents over-grinding, which improves solids-settling rates, thickener performance, and filtration efficiency.
High Operational Flexibility: Mill speed, ball charge, and cyclone parameters can be easily adjusted to maintain control even when ore hardness changes.
Technical Specifications
Model |
Cylinder RPM |
Ball Load |
Feeding Size |
Discharging Size |
Capacity (t/h) |
Motor Model |
Power (kW) |
Weight (t) |
MQG600*1800 |
45.5 |
0.5 |
≤10 |
0.074-0.5 |
0.2-0.5 |
Y160M-6 |
7.5 |
2.5 |
MQG900*1800 |
38 |
1.8 |
≤20 |
0.074-0.6 |
0.8-2 |
Y180L-6 |
15 |
5.8 |
MQG900*3000 |
37.4 |
2.7 |
≤20 |
0.074-0.3 |
0.8-3 |
Y200L2-6 |
22 |
7.5 |
MQG1200*2400 |
32 |
4.8 |
≤25 |
0.074-0.6 |
1.5-4 |
Y225M-6 |
30 |
9.8 |
MQG1200*4500 |
30 |
5.2 |
≤25 |
0.074-0.6 |
1.5-6 |
Y280S-6 |
45 |
13.2 |
MQG1300*4000 |
36 |
5.8 |
≤25 |
0.074-0.6 |
2-6 |
Y280S-8 |
45 |
14.8 |
MQG1500*3500 |
28.8 |
8.3 |
≤25 |
0.074-0.6 |
3-6 |
YR280M-8 |
90 |
17.6 |
MQG1500*4500 |
28.8 |
10 |
≤25 |
0.074-0.4 |
4-8 |
JR125-8 |
95 |
22.3 |
MQG1500*5700 |
28.8 |
12 |
≤25 |
0.074-0.4 |
5-10 |
JR126-8 |
110 |
26.7 |
MQG1500*6400 |
28.8 |
13 |
≤25 |
0.074-0.4 |
8-12 |
JR127-8 |
130 |
29.2 |
MQG1830*3600 |
24.5 |
12 |
≤25 |
0.074-0.4 |
5-10 |
JR127-8 |
130 |
31.4 |
MQG1830*5400 |
24.5 |
15 |
≤25 |
0.074-0.4 |
5-20 |
JR137-8 |
210 |
33.6 |
MQG1830*6400 |
24.5 |
19 |
≤25 |
0.074-0.4 |
6-25 |
JR137-8 |
210 |
36.5 |
MQG1830*7000 |
24.5 |
20 |
≤25 |
0.074-0.4 |
8-30 |
JR138-8 |
245 |
39.6 |
MQG2100*3600 |
24.1 |
21 |
≤25 |
0.074-0.6 |
8-20 |
YR355L1-8 |
210 |
43.2 |
MQG2100*4500 |
24.57 |
26 |
≤25 |
0.074-0.6 |
8-35 |
JR138-8 |
280 |
53.6 |
MQG2200*3600 |
21.8 |
22 |
≤25 |
0.074-0.6 |
9-25 |
JR138-8 |
245 |
47.8 |
MQG2200*4500 |
21.4 |
27 |
≤25 |
0.074-0.6 |
10-30 |
JR138-8 |
280 |
54.7 |
MQG2200*7500 |
21.8 |
35 |
≤25 |
0.074-0.6 |
10-40 |
JR158-8 |
380 |
68.4 |
MQG2200*9000 |
21.4 |
36 |
≤25 |
0.074-0.6 |
10-45 |
JR1510-8 |
475 |
76.5 |
MQG2400*3600 |
21.26 |
26 |
≤25 |
0.074-0.6 |
10-40 |
JR138-8 |
280 |
63.8 |
MQG2400*7000 |
21.8 |
36 |
≤25 |
0.074-0.6 |
10-45 |
JR1510-8 |
475 |
82.4 |
MQG2400*8000 |
21.8 |
42 |
≤25 |
0.074-0.6 |
13-50 |
JR630-8 |
560 |
85.7 |
MQG2400*10000 |
21 |
65 |
≤25 |
0.074-0.6 |
15-60 |
YR560-8 |
710 |
88.6 |
MQG2600*8000 |
19.6 |
52 |
≤25 |
0.074-0.6 |
16-70 |
JR1512-8 |
630 |
97.8 |
MQG2700*3600 |
21.4 |
39 |
≤25 |
0.074-0.4 |
13-75 |
JR158-8 |
380 |
86.8 |
MQG2700*4500 |
21.4 |
43 |
≤25 |
0.074-0.4 |
13-90 |
JR1510-8 |
475 |
91.8 |
MQG3000*5400 |
19 |
58 |
≤25 |
0.074-0.6 |
TDMK-30 |
630 |
119.7 |
|
MQG3000*9000 |
18.3 |
78 |
≤25 |
0.074-0.4 |
20-90 |
MQG3000*9000 |
18.3 |
78 |
MQG3000*11000 |
18 |
100 |
≤25 |
0.074-0.6 |
30-90 |
MQG3000*11000 |
18 |
100 |
MQG3200*3600 |
18.6 |
56.5 |
≤25 |
0.074-0.6 |
20-80 |
MQG3200*3600 |
18.6 |
56.5 |
MQG3200*4500 |
18.6 |
65 |
≤25 |
0.074-0.6 |
20-90 |
MQG3200*4500 |
18.6 |
65 |
MQG3200*5400 |
18 |
72 |
≤25 |
0.074-0.6 |
30-100 |
MQG3200*5400 |
18 |
72 |
MQG3200*9000 |
18 |
85 |
≤25 |
0.074-0.6 |
30-100 |
MQG3200*9000 |
18 |
85 |
MQG3600*4500 |
18 |
86 |
≤25 |
0.074-0.6 |
30-100 |
MQG3600*4500 |
18 |
86 |
MQG3600*6000 |
18 |
117 |
≤25 |
0.074-0.6 |
45-180 |
MQG3600*6000 |
18 |
117 |
MQG4000*6000 |
16.9 |
145 |
≤25 |
0.074-0.6 |
60-230 |
MQG4000*6000 |
16.9 |
145 |
MQG4500*6000 |
15.6 |
180 |
≤25 |
0.074-0.6 |
80-300 |
MQG4500*6000 |
15.6 |
180 |
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