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Sintered Zirconium Corundum Brick
Description of Sintered Zirconium Corundum Brick
Sintered zirconium corundum brick (AZS brick for short) refers to a refractory brick with a ZrO₂ content of 33%-45% made from industrial alumina powder and selected zircon sand. The main raw materials are industrial alumina calcined into α-Al₂O₃, partially stabilized zirconium dioxide, and zirconium corundum clinker fine powder. The raw materials are mixed, high-pressure molded, dried, and then fired at 1700-1750℃ according to a certain ratio.
Characteristics of Sintered Zirconium Corundum Brick
Sintered zirconium corundum fire bricks have these characteristics:
- Strong erosion resistance
- High density and low porosity
- Excellent thermal shock resistance
- High structural strength at high temperatures
Application of Sintered Zirconium Corundum Brick
- Glass industry: Sintered zirconium corundum brick is the preferred material for core parts such as the pool wall, flow hole, charging port, and bubbling area of glass melting furnace.
- Metallurgical industry: Sintered zirconium corundum brick is used for slag line in ladle refining area, RH/OBS vacuum refining furnace immersion tube, heating furnace slide rail and other parts.
- Chemical industry: Sintered zirconium corundum brick can be used as the core lining of ethylene cracking furnace, coal gasification furnace, carbon black reaction furnace and other high-temperature and complex chemical corrosion environments.
- Ceramic industry: Sintered zirconium corundum brick is used in the key high-temperature zone of ultra-high temperature tunnel kiln and shuttle kiln for firing advanced ceramics and refractory materials.
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