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Zircon-Mullite Checker-work Refractory Bricks from Reliable China Suppliers and Factory for High-Temperature Use
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 heat storage and heat transfer 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
Q: What is the maximum temperature Zircon mullite checker-work can withstand?
Zircon mullite checker-work has high refractoriness and excellent high-temperature resistance. It can maintain a stable structure in industrial furnaces at temperatures of 1600°C or even higher without melting or deforming.
Q: How does Zircon mullite checker-work resist chemical erosion?
It possesses outstanding chemical stability, allowing it to resist erosion from acidic and alkaline slags as well as volatile substances from glass melts, thereby extending the service life of the checker-work.
Q: Why is Zircon mullite checker-work suitable for rapid temperature changes?
It features good thermal shock stability, which enables it to resist the impact of thermal stress during furnace startup and shutdown, preventing issues like cracking and spalling.
Q: In which part of the glass melting furnace is this checker-work used?
It is primarily used as a heat storage medium in the regenerators of glass melting furnaces, particularly in the top and high-temperature areas where thermal and chemical demands are greatest.
Q: How does Zircon mullite checker-work help reduce energy consumption?
Its low thermal conductivity provides excellent insulation, while its large specific surface area and optimized pore structure facilitate quick heat absorption and release. This improves thermal efficiency and allows fuel to burn fully.