High Purity Alumina Ceramic Lining Bricks For Ball Mill
Product Material:alumina ceramic
Al2O3 92% 95%
Bending strength(MPa) >=220 250
Compressive strength(MPa) >=1050 1300
Fracture toughness (MPam1/2) >=3.7 3.8
Rockwell hardness (HRA) >=82 85
Loss bulk(cm3) <=0.25 0.2
Bulk density(g/cm3) >=3.6 3.65
Application :Vertical, Horizontal Sand Mill, Ball Mill
Description
During the whole grinding process, the grinding ball will have a huge impact and friction on the lining board of the warehouse. During the material damage process, the sharp edge and irregular shape will also cause serious wear to the lining board. Under this working environment, Ordinary wear-resistant liners will be worn out soon, but the High Purity Alumina Ceramic Lining Bricks for Ball Mill can provide better protection and reduce equipment wear, thereby prolonging the service life of the mill, reducing production costs, and improving the benefit of the enterprise.
Feature of lining brick
1 Effectively improve grinding efficiency, reduce grinding cost, and reduce product pollution.
2 High-quality alumina powder is used as raw material, which has high purity and greatly reduces the pollution caused by grinding materials.
3 Good wear resistance, the wear resistance is 266 times that of manganese steel, effectively prolonging the service life of equipment.
4 Matched with our own alumina grinding balls, the slurry is fine, corrosion-resistant, high-density, and high-mechanical strength.
Technical specific
AL2O3 (%) | 92±0.5 | 95±0.5 |
Bulk density(g/cm3) | ≥3.6 | ≥3.65 |
Compressive strength (MPa) | ≥1050 | ≥1300 |
Bending strength (MPa) | ≥220 | ≥250 |
Fracture toughness (MPam1/2) | ≥3.70 | ≥3.80 |
Rockwell hardness (HRA) | ≥82 | ≥85 |
Mohs hardness | 9 | 9 |
Installation steps
1.Ball mill preparation: Any brick or cement residue, welding slag, rust, and oil stains on the inner surface of the ball mill should be cleaned, and the smooth surface should be roughened to improve the bonding effect.
2. The installation of lining bricks starts from the end face of the ball mill. The end faces are all installed with straight bricks and straight half bricks. The working surface of all lining bricks should face into the ball mill. On the joints of the two bricks below, the upper and lower rows of bricks must be installed with staggered joints. Every time a few lining bricks are installed, lightly tap with a rubber hammer or mallet, so that the adhesive is evenly spread between bricks and bricks, between bricks and the wall, to ensure the quality of bonding, and strictly control the gap between bricks The gap should be less than 1.5mm.
3. After installing the two ends, start to install the shell, calculate the number of rows of straight bricks and oblique bricks according to the amount of lining bricks in the cylinder, and install them alternately in proportion to the number of straight and oblique rows calculated in the second step, so as to ensure that the bottom of the lining bricks is tight Attached to the inner wall of the cylinder, the inner diameter of the lining bricks after laying should be smoothly connected, and each row along the length direction should use straight bricks or inclined bricks of the same specification. The joints of the two rows of bricks are staggered, and if the straight bricks cannot enter the last row, install thinner bricks and seal the gaps with cement.
Application industries
High Purity Alumina Ceramic Lining Bricks for Ball Mill is widely used in industries such as ceramics, cement, paint, pigment, chemical industry, medicine, paint, inorganic mineral powder, etc.
Picture
Inside of ball mill look
Our product
The production process
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