Product Overview
The DRG Ultra-High Performance Silicon Brick represents the pinnacle of refractory engineering, specifically designed for regenerative checker chamber applications in glass furnaces and industrial kilns. With an exceptional SiO₂ content of ≥95% and superior thermal stability, this advanced refractory solution delivers unparalleled performance in high-temperature environments.
Manufactured by Hubei Zhongnai New Material Technology Co., Ltd., these silicon bricks demonstrate exceptional resistance to thermal shock, minimal creep deformation, and outstanding structural integrity under extreme operating conditions. The product meets international standards for industrial refractory materials and is engineered to extend furnace life while maintaining optimal thermal efficiency.
Key Performance Indicators
- SiO₂ Content: ≥95% - Exceptional purity
- Bulk Density: ≥1.8 g/cm³ - Optimal structural integrity
- Creep Rate: ≤0.2% - Superior dimensional stability
- Cold Crushing Strength: ≥30 MPa - Robust mechanical properties
- Apparent Porosity: ≤21% - Enhanced durability
Technical Specifications
| Property | Unit | Specification | Test Method |
|---|---|---|---|
| Apparent Porosity (AP) | % | ≤21 | ASTM C20 |
| Bulk Density (BD) | g/cm³ | ≥1.8 | ASTM C20 |
| Creep Rate (1550℃, 20-50h, 0.2MPa) | % | ≤0.2 | ASTM C16 |
| Cold Crushing Strength (CCS) | MPa | ≥30 | ASTM C133 |
| Residual Quartz Content | % | ≤1.0 | XRD Analysis |
| Al₂O₃ Content | % | ≤1.0 | XRF Analysis |
| SiO₂ Content | % | ≥95 | XRF Analysis |
| Fe₂O₃ Content | % | ≤1.0 | XRF Analysis |
| CaO Content | % | ≤3.0 | XRF Analysis |
Applications & Industrial Use Cases
Glass Furnace Regenerators
Primary application in checker chambers of glass melting furnaces, where superior thermal stability and alkali resistance are crucial for extended service life. The high SiO₂ content provides excellent resistance to glass batch corrosion.
Hot Blast Stove Systems
Ideal for checker brick construction in hot blast stoves for steel production. The low creep rate ensures dimensional stability under high-temperature cycling conditions typical in blast furnace operations.
Coke Oven Regenerators
Excellent performance in coke oven regenerative chambers where thermal shock resistance and chemical stability are essential. The optimized porosity provides efficient heat transfer while maintaining structural integrity.
Industrial Kiln Linings
Suitable for high-temperature industrial kilns requiring reliable refractory performance. The superior mechanical strength and thermal properties ensure consistent operation in demanding thermal environments.
Technical Advantages
Exceptional Thermal Stability
Advanced crystalline structure provides superior performance at temperatures up to 1650°C with minimal dimensional change during thermal cycling.
Superior Creep Resistance
Ultra-low creep rate of ≤0.2% ensures dimensional stability under prolonged high-temperature loading conditions, extending service life significantly.
Optimized Chemical Composition
High-purity silicon dioxide content (≥95%) with controlled impurity levels provides excellent resistance to chemical attack and slag corrosion.
Enhanced Mechanical Properties
Cold crushing strength ≥30 MPa combined with optimal bulk density ensures robust structural performance in demanding industrial applications.
Controlled Porosity Structure
Engineered apparent porosity ≤21% optimizes thermal conductivity while maintaining structural integrity and resistance to penetration.
Minimal Thermal Expansion
Low coefficient of thermal expansion reduces thermal stress and prevents cracking during rapid temperature changes in industrial operations.
