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Corundum Brick Description
Corundum brick is a refractory material with alumina (อัล2O3) as the main component, with a content of more than 90%. Due to its high melting point, high hardness and high strength, it is widely used in high-temperature kiln linings and kiln furniture.
Feature
（1）High temperature resistance
（2）High strength,high compression resistance
（3）Excellent thermal shock resistance
（4）High bulk density, good thermal conductivity
（5）Good wear resistance and acid
（6）alkali corrosion resistance
Corundum Brick
Regular size
- 230*114*65
- 250*123*65
- 171*113*65
- 230*65/55*114
- 230*114*65/55
- 230*114*65/45
- 230*114*20
- 230*57*65
- 230*150*75
- 230*150/120*75
Customizable to any shape
Shape customization
Technical parameter
| รายการ | Corundum Brick 99 | Corundum Brick 90 | corundum mullite brick |
| อัล2O3 % | ≥99 | ≥90 | ≥80 |
| SiO2 % | ≤0.2 | ≤8 | ≤18 |
| Fe2O3 % | ≤0.2 | ≤0.2 | ≤0.3 |
| Bulk Density g/cm3 | ≥3.2 | ≥3 | ≥2.8 |
| Apparent porosity % | ≤19 | ≤18 | ≤18 |
| Cold compressive strength MPa | ≥100 | ≥100 | ≥100 |
| (0.2Mpa,0.6%)Load softening began to temperature °C | ≥1700 | ≥1700 | ≥1700 |
From Wikipedia：Refractory
Production process
Sintering method: Use sintered alumina and phosphoric acid or other binders to make unburned corundum bricks.
Electrofusion method: High-purity alumina raw materials are melted and cast at a high temperature of more than 2000°C.
Henan LiTe Corundum Bricks Production Line
Production scale: 5 40 cubic shuttle kilns, 5 presses, automatic batching system, daily output of 80 tons, annual output of 20,000 tons
Production process: raw materials – crushing (0-1มม, 1-3มม, 3-5มม) – mixing – molding – drying (200℃) – sintering (1600℃-1700℃) – packaging
Production Line
Application fields of corundum bricks
1. In the steel industry;
2. In the non-ferrous smelting industry, the wear resistance and corrosion resistance of corundum bricks are significantly better than other bricks;
3. In the carbon black industry, on the carbon black reactor
4. In the petrochemical industry, in the gasification furnace of large and medium-sized fertilizer plants
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