● Sizes Φ:
| Size(mm) | Size(mm) | Size(mm) | Size(mm) |
| 0.5-1.0 | 6.0 | 20.0 | 70.0 |
| 1.0 | 8.0 | 25.0 | 80.0 |
| 2.0 | 10.0 | 30.0 | 90.0 |
| 3.0 | 13.0 | 40.0 | 100.0 |
| 4.0 | 15.0 | 50.0 |
|
| 5.0 | 18.0 | 60.0 |
|
High Density Wear-Resistant Al2O3 Grinding Balls for Mining
In the world of mining and industrial applications, efficiency and
durability are key. One of the most effective tools in achieving
these goals is the use of high density wear-resistant Al2O3
grinding balls. These alumina ceramic balls are renowned for their
exceptional hardness, density, and resistance to wear, making them
indispensable in various grinding and milling processes.
Understanding Al2O3 Grinding Balls
Alumina (Al2O3) grinding balls are a type of ceramic ball used
extensively in industrial applications. Their primary role is to
serve as abrasive media in ball mills for grinding raw materials,
glaze materials, and other substances. These balls are known for
their high density, which enhances grinding efficiency and reduces
contamination in the final product.
- High Density: With a density of approximately 3.6 g/cm³, these
balls offer superior grinding efficiency.
- Wear Resistance: The high wear resistance ensures longevity and
reduces the need for frequent replacements.
- Hardness: With a Mohs hardness of 9, these balls are incredibly
hard, making them ideal for grinding tough materials.
- Chemical Stability: Resistant to most corrosive materials, except
for hydrochloric and hydrofluoric acids.
- Temperature Resistance: Capable of withstanding high temperatures,
making them suitable for diverse industrial environments.
Al2O3 grinding balls are versatile and find applications across
various industries. Some of the key sectors that benefit from these
ceramic balls include:
- Mining: Used in ball mills for grinding ores and minerals, enhancing the
extraction process by achieving finer particle sizes.
- Ceramics: Essential in the production of ceramic tiles, glazes, and other
ceramic products.
- Glass Manufacturing: Used in the grinding of glass materials to achieve desired
textures and finishes.
- Chemical Processing: Employed in the chemical industry for grinding and mixing
chemical compounds.
- Metallurgy: Utilized in the preparation of metal powders and other
metallurgical processes.
Al2O3 grinding balls are available in various sizes, ranging from
less than 1 mm to 70 mm, catering to different industrial needs.
The choice of ball size depends on the specific requirements of the
grinding process and the material being processed. Here are some
common specifications:
- Purity: Typically, Al2O3 grinding balls have a purity of 92% or higher,
ensuring minimal contamination.
- Size Range: From 0.5 mm to 70 mm, allowing for precise control over the
grinding process.
- Bulk Density: Generally ≥ 3.6 g/cm³, contributing to their effectiveness in
grinding applications.
- Water Absorption: Less than 0.02%, indicating their non-porous nature and
resistance to moisture.
The use of high density Al2O3 grinding balls offers several
advantages:
- Enhanced Grinding Efficiency: Their high density and hardness lead to faster grinding processes
and finer particle sizes.
- Reduced Contamination: The high purity of Al2O3 balls minimizes contamination, crucial
for industries requiring high-quality end products.
- Cost-Effectiveness: Their durability and wear resistance reduce the frequency of
replacements, lowering operational costs.
- Versatility: Suitable for both dry and wet grinding applications, making them
adaptable to various industrial processes.
When compared to other grinding media like steel balls or zirconium
oxide balls, Al2O3 grinding balls stand out due to their:
- Lower Cost: Generally more affordable than zirconium oxide balls.
- Higher Wear Resistance: Outperform steel balls in terms of wear resistance, leading to
longer service life.
- Environmental Benefits: Being chemically inert, they do not introduce harmful
contaminants into the environment.
Selecting the appropriate Al2O3 grinding balls involves considering
factors such as the material to be ground, the grinding process
(wet or dry), and the desired particle size. It's essential to
match the ball size and material to the specific requirements of
the application to achieve optimal results.
● Features:
u High density, high hardness, low wear loss, regular shape, impact
resistance, corrosive resistance;
u 20-40times wear-resistance more than natural ball
and common ball, and can improve 40--60% grinding efficiency.
● Applications:
u High hardness and high viscosity material, such as zircon sand, silicon dioxide, calcite (GCC), magnetic bands coatings for audio and video tapes, paint, coating, pigment, Ceramic glaze, titanium dioxide and so on.
u Wet grinding including batch mill and continuous ball mill.
●Package:
25KG/woven bag,1000KG-1250KG for one pallet with shrink wrapped
