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Zircon-Mullite Checker-work Refractory Bricks from China Suppliers - High-Temperature Stability & Thermal Shock Resistance
Features
The characteristics of Zircon mullite checker-work are as follows:
1. High refractoriness
Zircon mullite itself has a high melting point and excellent high-temperature resistance. It can withstand high-temperature environments, and is not easy to melt or deform at high temperatures. It can maintain a stable structure in industrial furnaces and other environments at temperatures of 1600°C or even higher.
2. Good chemical stability
It has good resistance to chemical substances such as acidic and alkaline slags, and is not prone to chemical reactions with these substances. It can effectively resist the erosion of various chemical substances and prolong its service life.
3. High mechanical strength
It has high compressive strength and flexural strength, and can withstand the pressure of materials in the furnace and mechanical forces such as thermal stress. It is not easy to break or be damaged, ensuring the integrity of the checker-work structure.
4. Low thermal conductivity
It has a low thermal conductivity, which can effectively reduce heat transfer, play a good role in heat insulation and heat preservation, improve thermal efficiency, and reduce energy consumption.
5. Good thermal shock stability
In the case of rapid temperature changes, such as during the startup and shutdown of the furnace, it can resist the impact of thermal stress and is not prone to phenomena such as cracking and spalling, and has good thermal shock stability.
6. Excellent performance
As a checker-work structure, it has a large specific surface area and a reasonable pore structure, which can quickly absorb and release heat, achieve efficient heat storage and heat transfer, and improve the heat exchange efficiency of the furnace.
Applications
Regenerators of glass melting furnaces: As a heat storage medium, it can quickly store and release heat in the regenerators of glass melting furnaces, particularly in the top and high temperature areas of glass-melting furnaces regenerator. improving the thermal efficiency of the melting furnaces, enabling the fuel to burn fully, reducing energy consumption. At the same time, its high refractoriness and chemical stability can resist the erosion of the volatile substances from the glass melt.
Frequently Asked Questions
What is the maximum temperature Zircon mullite checker-work can withstand?
Zircon mullite checker-work has high refractoriness and excellent high-temperature resistance, allowing it to maintain a stable structure in industrial environments at temperatures of 1600°C or even higher.
How does Zircon mullite checker-work perform against chemical erosion?
It possesses good chemical stability and exhibits strong resistance to chemical substances like acidic and alkaline slags, preventing chemical reactions and significantly extending its service life in harsh environments.
Why is Zircon mullite checker-work ideal for glass melting furnace regenerators?
As a heat storage medium, it quickly absorbs and releases heat in glass melting furnace regenerators (especially in high-temperature zones). This improves thermal efficiency, ensures full fuel combustion, reduces energy consumption, and resists volatile substances from the glass melt.
Does Zircon mullite checker-work crack under rapid temperature changes?
No, it has good thermal shock stability, which enables it to resist the impact of thermal stress during rapid temperature changes, such as during the startup and shutdown of the furnace, without cracking or spalling.
How does it help in reducing industrial energy consumption?
Its low thermal conductivity reduces heat transfer for better insulation, while its high specific surface area and optimized pore structure enable efficient heat storage and transfer, minimizing overall energy loss.