+86-15527482889
Hot Products
0102030405
High Alumina Brick for Industrial Furnaces - China Suppliers and Factory for High-Temperature Refractory Solutions
Core Advantages
Exceptional Heat Resistance
With a maximum working temperature of 1790℃ and low thermal conductivity, it effectively insulates heat and maintains structural integrity under extreme high-temperature conditions, avoiding deformation or cracking.
Strong Corrosion & Abrasion Resistance
High alumina content enhances resistance to molten slag, acid-alkali media, and mechanical abrasion, extending service life in harsh industrial environments.
High Structural Density
Produced by high-pressure molding and high-temperature sintering, it has low porosity, strong load-bearing capacity, and good thermal shock resistance, reducing replacement frequency.
Cost-Effective Solution
Long service life and low maintenance requirements lower overall operational costs, providing high cost performance for large-scale industrial projects.
Product Parameters
| Item | High Alumina Brick | ||
| Al₂O₃ % | ≥75 | ≥65 | ≥55 |
| Fe₂O₃ % | ≤2.0 | ≤2.30 | ≤2.30 |
| Apparent Porosity % | ≤23 | ≤22 | ≤20 |
| Permanent Linear Change 1500℃ × 2h (%) |
±0.1/-0.3 | ±0.1/-0.4 | ±0.2/-0.5 |
| Cold Crushing Strength (MPa) | ≥75 | ≥65 | ≥55 |
| Refractoriness (℃) | ≥1790 | ≥1770 | ≥1770 |
| Refractoriness Under Load ℃ (0.2MPa, 0.6%) |
≥1520 | ≥1500 | ≥1470 |
Detailed Application Scenarios
1
Steel Industry
Widely used in blast furnaces, converters, electric furnaces, and ladles. Suitable for linings of tapping troughs, slag channels, and furnace tops, resisting molten steel and slag erosion, ensuring stable production of steelmaking equipment.
2
Cement Industry
Applied to linings of rotary kilns, preheaters, and cement clinker coolers. Withstands high temperature and alkaline gas corrosion, improving the service life of cement production equipment and reducing downtime.
3
Glass Industry
Used in glass melting furnaces, regenerators, and flue linings. Resists high-temperature glass liquid erosion and thermal shock, maintaining furnace tightness and ensuring consistent glass quality.
4
Petrochemical Industry
Suitable for linings of catalytic crackers, reformers, and hydrogenation furnaces. Resists high-temperature oil gas and chemical media corrosion, ensuring safe and efficient operation of petrochemical equipment.
5
Other Industries
Also applicable to waste incinerators, ceramic kilns, and non-ferrous metal smelting furnaces, providing reliable refractory solutions for various high-temperature industrial scenarios.
Conclusion
Contact us now for a quote and experience the difference of working with the best in the business.
Frequently Asked Questions
Q
What is the maximum working temperature of High Alumina Brick?
High Alumina Brick can withstand a maximum working temperature of up to 1790℃, making it one of the most heat-resistant refractory materials available for industrial applications.
Q
What Al₂O₃ content grades are available for High Alumina Brick?
High Alumina Brick is available in three standard grades: Al₂O₃ ≥75%, Al₂O₃ ≥65%, and Al₂O₃ ≥55%. Higher alumina content provides superior heat resistance and corrosion resistance for more demanding applications.
Q
Which industries are best suited for High Alumina Brick?
High Alumina Brick is widely used across the steel, cement, glass, and petrochemical industries, as well as in waste incinerators, ceramic kilns, and non-ferrous metal smelting furnaces — anywhere that requires reliable high-temperature performance.
Q
How does High Alumina Brick resist corrosion and abrasion?
The high alumina content significantly enhances the brick's resistance to molten slag, acid-alkali media, and mechanical abrasion. This chemical stability extends the service life considerably in harsh industrial environments.
Q
What manufacturing process is used to produce High Alumina Brick?
High Alumina Brick is produced using high-pressure molding combined with high-temperature sintering. This process results in low porosity, high structural density, strong load-bearing capacity, and excellent thermal shock resistance.
Q
Is High Alumina Brick a cost-effective choice for large-scale industrial projects?
Yes. Due to its long service life, low maintenance requirements, and reduced replacement frequency, High Alumina Brick delivers excellent cost performance for large-scale industrial projects, lowering overall operational costs over time.