Alumina Ceramic Balls For Cerment
Description
Technical Parameters

Products Description
Alumina ceramic balls for cement are a professional grade alumina grinding medium, different from general ceramic balls. They are specially formulated for the unique needs of cement grinding, with high hardness, and the mill operates under continuous high-speed rotation and severe impact.
High quality alumina powder (Al₂O₃ ≥92%/95%) is subjected to precision isostatic pressing to ensure uniform density and zero internal defects. Sintered at 1650 ° C, they form a dense α - alumina crystal structure with a Mohs hardness of 9.
advantage
1. Wear resistance
Cement clinker and raw materials have high abrasiveness, causing steel balls to wear 30-40g of cement per ton. The wear rate of alumina ceramic balls used in cement is as low as 0.012%/24h, which is 80% lower than that of high chromium steel balls. In clinker grinding, they can maintain dimensional stability for 3-5 years, while steel balls can maintain it for 6-12 months. This greatly reduces the frequency of ball replacement and downtime, which is crucial for continuous cement production.
2. Zero iron pollution
Steel balls release iron ions during the grinding process, which react with cement components and reduce the strength and durability of cement. Our Hua'ao products are chemically inert and free from metal leaching. They maintain the chemical purity of cement, ensuring consistent Brian fineness and compressive strength.
3. Save energy and costs
When the density is half that of a steel ball, alumina ceramic balls can reduce the load of the mill by 20% and reduce the power consumption per ton of cement by 15-20%.
Application in cement production
1. Raw material grinding
Suitable for grinding limestone, clay, and gypsum into fine raw materials. They effectively reduce particle size to meet calcination requirements and zero pollution to avoid kiln operation problems.
2. Grinding of clinker powder
Suitable for grinding calcined clinker into cement powder. They ensure precise particle distribution (3-32 μ m), improving cement strength and setting time.
3. Coal grinding
Used for crushing coal into cement kiln fuel. Their wear resistance can handle hard coal and maintain consistent fineness to achieve stable combustion.
4. Grinding of gypsum and additives
Suitable for grinding gypsum and mineral additives, ensuring uniform mixing with clinker to adjust cement properties.
Technical Data
|
Materials |
Density (g/cm³) |
Bulk weight (kg/cm³) |
Moh's hardeness |
Crushing rate(%) |
Abrasion loss(g/kg.h) |
|
Alumina grinding media |
3.6-3.8 |
2200-2300 |
9 |
<1-3 |
0.09 |
|
High chromium steel ball |
7.6-7.8 |
4500 |
6.8 |
<1-3 |
0.18 |
|
Brand |
HA-92 |
HA-95 |
|
AL2O3(%) |
≥92 |
≥95 |
|
Bulk density(g/cm³) |
≥3.60 |
≥3.65 |
|
Hardness(Mohs) |
9 |
9 |
|
Wear Loss(%) |
≤0.015 |
≤0.012 |
|
Water Absorption(%) |
≤0.01 |
≤0.01 |
|
Color |
White |
White |
|
Size |
13-90mm |
|
|
Size can be customized according to customer's requirement |
||
Why Choose HUAO'S Alumina Ceramic Balls For Cement?
1. Raw material control
We source only alumina powder with Al₂O₃ ≥92%/95% and ultra-low iron (<0.02%), eliminating impurities that harm cement quality. Each batch undergoes ICP-MS testing to meet cement industry standards.
2. Specialized manufacturing process
Our alumina ceramic balls for cement use are formulated with cement grade formula and sintered at 1650 ° C, optimizing the crystal structure of clinker/raw material wear resistance. Automated production ensures a dimensional tolerance of ± 0.5mm.
3. Quality level control
Each ball must undergo more than 12 tests: hardness, density, wear, and iron content.
FAQ
Q1: What are the freight methods?
Q1: We can send DHL, sea transport, according to the size of the goods and customer needs, choose the most suitable delivery method.
Q2: Can you provide free samples?
A2: Yes, we can provide it, please send us specific needs, we will choose the right product sample
Q3: What packaging.
A3: Depending on the size of the cargo, the packaging is different. There are cartons, wooden boxes, and ton packages. According to customer needs or special requirements of the goods, choose the appropriate packaging.
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