Corundum mullite refractory castables are widely used in high-temperature industrial furnaces such as blast furnaces, electric arc furnaces, and cement kilns due to their excellent thermal shock resistance, corrosion resistance, and wear resistance. Let's get to know more about this industry.
1. What are corundum mullite refractory castables?
Corundum mullite refractory castables are made of high-quality bauxite, corundum, and high-purity fused mullite as the main raw materials, with additional materials such as silicon dioxide, aluminum hydroxide, and magnesium oxide. The raw materials are mixed, formed, and fired at high temperatures to obtain a high-strength, high-performance refractory material.
2. What are the advantages of corundum mullite refractory castables?
Corundum mullite refractory castables have several advantages, including:
- High-temperature resistance: The materials can withstand high temperatures up to 1800℃, making them ideal for use in high-temperature industrial furnaces.
- Thermal shock resistance: These materials have excellent thermal shock resistance, meaning they can handle rapid temperature changes without cracking or breaking.
- Corrosion resistance: Corundum mullite refractory castables are highly resistant to acid and alkali corrosion, making them a desirable choice for use in acidic or alkaline environments.
- Wear resistance: These materials can withstand high levels of wear and tear, making them ideal for use in high-wear areas of furnaces and kilns.
3. What are the applications of corundum mullite refractory castables?
Corundum mullite refractory castables have a wide range of applications in the following industries:
- Metallurgy: blast furnaces, electric arc furnaces, converters, ladles, tundishes, etc.
- Cement: preheating cyclones, decomposing furnaces, cooling machines, etc.
- Petrochemical: cracking furnaces, reforming furnaces, etc.
- Power generation: boilers, incinerators, etc.
4. What are the development trends of corundum mullite refractory castables?
In recent years, the development of corundum mullite refractory castables has been focusing on the following aspects:
- Improving the performance of materials: With the increasing demands for high-temperature resistance, thermal shock resistance, and wear resistance, the performance of corundum mullite refractory castables has been continuously improved through the use of new raw materials and advanced production techniques.
- Enhancing the environmental friendliness: The development of corundum mullite refractory castables with low-carbon, energy-saving, and environmentally friendly features has become a trend in the industry.
- Exploring new applications: Corundum mullite refractory castables are increasingly being applied in new fields such as aerospace, military, and new energy industries.
In conclusion, corundum mullite refractory castables have a bright future in the industry, and their development will promote the development of high-temperature materials and high-temperature-resistant equipment industries.
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