High-Performance Silicon Bricks for Hot Blast Furnace | 95% SiO₂ Content | Superior Mechanical Strength (30-35 MPa CCS) | Low Thermal Expansion (≤1.26%) | Vaulting & Checkered Brick Solutions for Iron & Steel Industry
Professional Silicon Bricks for Hot Blast Furnace featuring 95% SiO₂ content, superior mechanical strength (30-35 MPa CCS), ultra-low thermal expansion (≤1.26%), exceptional creep resistance (≤0.8%), controlled porosity (22-23% AP), and optimized true density (2.35 g/cm³). Available in high-strength vaulting furnace bricks and heat-exchange optimized checkered bricks for comprehensive hot blast stove construction and regenerative thermal systems in iron & steel industry applications.
Key words:
Silicon bricks for hot blast furnace
Vaulting Furnace Brick
Checkered Brick
Hot Blast Stove
Silica Refractory Brick
Iron Steel Industry
Blast Furnace Refractory
High Temperature Brick
Classification:
Product Introduction
Professional Silicon Bricks for Hot Blast Furnace
Product Overview
Silicon Bricks for Hot Blast Furnace are specialized high-performance refractory materials engineered specifically for hot blast stove applications in the iron and steel industry. Featuring optimized silicon dioxide content (SiO₂ ≥95%) and superior thermal-mechanical properties, these bricks deliver exceptional performance in the demanding environments of blast furnace hot stoves, ensuring reliable operation and extended service life.
Product Categories Hot Blast Furnace Specialized
Vaulting Furnace Bricks
Premium silicon bricks designed for hot blast stove vault construction, featuring superior mechanical strength (≥35 MPa CCS) and optimized thermal properties. Engineered to withstand the structural demands and thermal cycling of blast furnace hot stove operations while maintaining dimensional stability.
- Hot blast stove dome construction
- Combustion chamber vaulting systems
- High-temperature structural applications
- Critical load-bearing furnace components
Checkered Bricks
Specialized silicon bricks for hot blast stove checker work systems, optimized for heat exchange applications with controlled porosity (≤23% AP) and excellent thermal cycling resistance. Designed to maximize heat transfer efficiency while maintaining structural integrity under thermal stress.
- Hot blast stove checker work construction
- Heat exchange brick systems
- Regenerative thermal storage applications
- Heat recovery chamber linings
Technical Specifications
| Technical Property | Standard | Silicon Bricks for Hot Blast Furnace | |
|---|---|---|---|
| Vaulting Furnace Brick | Checkered Brick | ||
| SiO₂ Content (%) | ≥ | 95 | 95 |
| Fe₂O₃ Content (%) | ≤ | — | — |
| 0.2MPa Load Softening Onset Temperature (°C) | ≥ | — | — |
| Apparent Porosity AP (%) | ≤ | 22 | 23 |
| Cold Crushing Strength CCS (MPa) | ≥ | 35 | 30 |
| True Density (g/cm³) | ≤ | 2.35 | |
| High Temperature Creep Rate (0.2MPa, 1550°C, 50h) (%) |
≤ | 0.8 | |
| Thermal Expansion Rate (1000°C) (%) | ≤ | 1.26 | |
Engineering Performance Advantages
Superior High-Temperature Performance
Exceptional thermal stability with minimal creep rate (≤0.8%) under extreme operating conditions (1550°C), ensuring reliable long-term performance in hot blast stoves.
Enhanced Mechanical Strength
Superior cold crushing strength (30-35 MPa) provides excellent structural integrity and load-bearing capacity for critical furnace components.
Controlled Thermal Expansion
Low thermal expansion rate (≤1.26%) minimizes thermal stress and maintains dimensional stability throughout heating and cooling cycles.
Optimized Porosity Control
Precisely controlled apparent porosity (22-23%) balances thermal insulation properties with mechanical strength for optimal performance.
High Silicon Content
Premium SiO₂ content (≥95%) ensures superior chemical stability and resistance to furnace atmospheres in hot blast stove environments.
Application-Specific Design
Specialized formulations for vaulting and checkered brick applications, optimized for specific hot blast furnace operational requirements.
Hot Blast Furnace Applications
Hot Blast Stove Construction
- Hot Blast Stove Dome & Vault Systems
- Combustion Chamber Structural Elements
- High-Temperature Furnace Shells
- Thermal Expansion Joint Systems
Heat Exchange Systems
- Checker Work Heat Storage Systems
- Regenerative Heat Exchange Chambers
- Thermal Storage Brick Assemblies
- Heat Recovery Infrastructure
Blast Furnace Operations
- Hot Air Preheating Systems
- Thermal Management Infrastructure
- Energy Recovery Applications
- High-Efficiency Heat Transfer Systems
Iron & Steel Industry
- Integrated Steel Plant Hot Stoves
- Mini Steel Mill Preheating Systems
- Direct Reduction Furnace Applications
- Specialized Metallurgical Equipment
Hubei Zhongnai New Material Technology Co., Ltd.
As a leading high-technology enterprise specializing in advanced silicon refractory materials for the iron and steel industry, we are committed to delivering superior hot blast furnace solutions and professional technical support to metallurgical operations worldwide.
Our expertise in silicon brick technology for hot blast furnace applications, combined with our dedication to quality excellence and continuous innovation, ensures optimal performance solutions for the most demanding high-temperature metallurgical processes.
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For more product information or technical support, please contact us
Contact Information
Contact:+86-19171489999
Address: Yangzhai Town Metallurgical Industrial Park, Guangshui City, Hubei Province
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