Heat storage ceramic ball and thermal storage alumina beads for accumulator
Quick Details
Heat storage ceramic balls are specialized ceramic media designed for thermal energy storage and heat exchange in high-temperature industrial processes. Made from materials such as alumina (Al₂O₃), mullite (3Al₂O₃·2SiO₂), or silicon carbide (SiC), these balls are widely used in applications like regenerative thermal oxidizers (RTOs), heat recovery systems, and industrial furnaces. Their high thermal stability, durability, and ability to store and release heat efficiently make them ideal for energy-saving and pollution control systems.
Can withstand extreme temperatures (up to 1600°C or higher), making them suitable for high-temperature applications.
Excellent Heat Storage Capacity:
Efficiently stores and releases thermal energy, improving energy efficiency in industrial processes.
Chemical Resistance:
Resistant to corrosion and chemical attack from acids, alkalis, and organic solvents.
Low Thermal Expansion:
Minimal expansion under high temperatures reduces the risk of cracking or damage.
Mechanical Strength:
Durable and resistant to breakage, even under high-pressure conditions.
Uniform Size and Shape:
Precise dimensions ensure consistent performance and optimal heat transfer.
Performance/Type | Using for Gas separation | Using for heating furnace |
Al2O3 % | 20-30 | 45-75 |
SiO2±Al2O % | ≥92 | ≥95 |
Fe2O3 % | ≤1 | ≤1.5 |
size mm | 10-12/12-14 | 16-18/20-25 |
Thermal capacity J/kg.k | ≥836 | ≥1000 |
Specific heat conductance w/mk | 2.6-2.9 | |
Applicable temperature °C | 20~800 | 20~1000 |
Fire resistance °C | 1550 | 1750 |
Compression resistance strength N | 800-1200 | 1800-3200 |
Bulk density kg/m3 | 1300-1400 | 1500-1600 |
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