How to mine medium carbon ferromanganese?
Medium carbon ferromanganese is an important alloy material, mainly used to make steel, stainless steel and other alloy products. It usually contains 12%-15% manganese and 1%-1.8% carbon, with high strength, high hardness and good wear resistance. The mining of medium carbon ferromanganese mainly includes two stages: mining and mineral processing.
Mining refers to the mining of ore from underground by excavating and developing underground mineral deposits. Medium carbon manganese ore is generally distributed deep in the stratum, and deep mining is usually required. The mining process includes exploration, measurement, blasting, excavation and transportation.
First, geological exploration is required to determine the occurrence, reserves and quality of medium carbon ferromanganese ore. Then geological survey is carried out to determine the direction, tendency and thickness of the ore layer, providing a basis for subsequent mining work. Next, blasting operations are carried out, using blasting drugs to blast the ore into suitable particle sizes. Then mining equipment is used for excavation and transportation to mine the ore from underground. Finally, the ore is initially processed, including crushing, screening and particle grading, to process the raw ore into suitable ore particles.
Ore dressing refers to the processing of the mined ore to obtain medium-carbon ferromanganese products that meet the needs of industrial production by improving the grade and recovery rate of medium-carbon ferromanganese. The main processes of ore dressing include ore crushing, ore grinding, gravity separation, flotation and concentration.
First, the raw ore is crushed to break the large pieces of ore into suitable particle sizes. Then the ore is ground to refine the particles and increase their surface area for subsequent ore dressing. Next, gravity separation is carried out to separate and classify the ore by gravity separation to improve the grade of medium-carbon ferromanganese. Then flotation is carried out. Through the difference in specific gravity and surface properties of the ore, chemical agents and bubbles are used to separate medium carbon ferromanganese and other minerals from other minerals. Finally, the recovery rate of medium carbon ferromanganese is improved through magnetic separation, gravity separation, flotation and other means to obtain the final medium carbon ferromanganese product.
In summary, the mining of medium carbon ferromanganese mainly includes two stages: mining and mineral processing. Through these process links, medium carbon ferromanganese products that meet the needs of industrial production are finally obtained.
| Grade |
Designation |
Chemical Composition |
| Mn |
C |
Si |
P |
S |
| ≥ |
≤ |
≤ |
| Low Carbon |
FeMn85C0.2 |
85 |
0.2 |
0.8-2.0 |
0.1-0.3 |
0.02 |
| FeMn80C0.5 |
80 |
0.5 |
0.8-2.0 |
0.1-0.3 |
0.02 |
| FeMn80C0.7 |
80 |
0.7 |
0.8-2.0 |
0.1-0.3 |
0.02 |
| Mid Carbon |
FeMn78C1.0 |
78 |
1.0 |
0.8-2.0 |
0.15-0.35 |
0.03 |
| FeMn78C1.5 |
78 |
1.5 |
0.8-2.0 |
0.15-0.35 |
0.03 |
| FeMn78C2.0 |
78 |
2.0 |
0.8-2.0 |
0.15-0.35 |
0.03 |
| FeMn75C1.5 |
75 |
1.5 |
0.8-2.0 |
0.15-0.35 |
0.03 |
| FeMn75C2.0 |
75 |
2.0 |
0.8-2.0 |
0.15-0.35 |
0.03 |
| High Carbon |
FeMn78C8.0 |
78 |
8.0 |
1.0-5.0 |
0.2-0.4 |
0.03 |
| FeMn75C7.5 |
75 |
7.5 |
1.0-5.0 |
0.2-0.4 |
0.03 |
| FeMn73C7.0 |
73 |
7.0 |
1.0-5.0 |
0.2-0.4 |
0.03 |
| FeMn70C7.0 |
70 |
7.0 |
1.0-5.0 |
0.2-0.4 |
0.03 |
| FeMn65C7.0 |
65 |
7.0 |
2.5-4.5 |
0.25-0.5 |
0.03 |
| FeMn60C7.0 |
60 |
7.0 |
2.5-4.5 |
0.3-0.5 |
0.05 |
| Other chemical composition and size can be supplied upon request. |
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