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What can high-alumina clinker be used for?
Category: Company Blog
Published Time: 2025-05-12
Summary: High-alumina castables are mainly used as refractory linings for high-temperature industrial equipment, especially playing an important role in ceramic melting kilns.
High-alumina castables are primarily used for refractory linings in high-temperature industrial equipment, particularly playing a crucial role in ceramic melting kilns.
Core Application Areas
Ceramic Melting Kilns
High-alumina castables are key materials in the ceramic firing process, mainly serving as kiln linings. They can withstand high temperatures (typically 1250-1500℃) and chemical erosion, ensuring the stability of the firing process. For example, in ceramic firing kilns and high-temperature tunnel kilns, their high refractoriness and resistance to thermal shock enhance product quality.
Metallurgical Industry
Used for furnace linings in blast furnaces, hot blast stoves, and converters, protecting equipment from erosion by high-temperature molten slag and gases.
Chemical and Energy Sectors
Suitable for high-temperature reaction furnaces, incinerators, circulating fluidized bed boilers, etc., withstanding strongly corrosive media and high-pressure environments.
Other Auxiliary Uses
Glass kilns and cement kilns: As lining materials, supporting high-temperature production processes.
Power Industry: Used in electric furnaces, arc furnaces, etc., to withstand high temperatures and arc impacts.
Performance Advantages
High-alumina castables typically have an alumina content ≥48%, with some premium products reaching over 85%. They possess high thermal stability (refractoriness >1770℃) and slag resistance, suitable for complex high-temperature environments. By compounding with other materials (such as silicon carbide and corundum), their application range is further expanded.
Summary: The core value of high-alumina castables lies in providing reliable lining protection for high-temperature industries, especially being indispensable in ceramic melting production. Their performance advantages make them the preferred refractory material in various fields such as metallurgy, chemicals, and energy.
Keywords: What can high-alumina clinker be used for?
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