.jpg?x-oss-process=image/resize,h_1000,m_lfit/format,webp)
As an industrial player, you may have encountered numerous challenges with refractory materials in extreme working conditions. High friction, rapid temperature changes, and strong chemical corrosion can significantly reduce the lifespan of traditional refractory bricks, leading to frequent replacements and increased costs. This is where chrome corundum bricks come into play, offering a reliable solution for long - term, efficient operation of industrial kilns.
.jpg)
Chrome corundum bricks are crafted from carefully selected raw materials. The primary component, α - Al₂O₃, accounts for about 60% - 70% of the total composition. It is known for its high hardness and excellent chemical stability, providing a solid foundation for the brick's overall performance. Oxide chromium powder (Cr₂O₃), which makes up around 20% - 30%, enhances the brick's resistance to corrosion and high - temperature stability. The remaining part consists of chrome corundum clinker fine powder, which helps to improve the density and strength of the brick during the firing process.
There are two mainstream production processes for chrome corundum bricks: shuttle kiln firing and slip casting. Shuttle kiln firing involves placing the formed bricks in a shuttle kiln and firing them at a high temperature of about 1700 - 1800°C. This process results in bricks with high density and excellent mechanical properties. Slip casting, on the other hand, is a more flexible method where the raw material slurry is poured into molds. It allows for the production of complex - shaped bricks, but the density may be slightly lower compared to shuttle kiln - fired bricks.
| Performance Feature | Description | Benefit |
|---|---|---|
| High Wear Resistance | Thanks to the high - hardness α - Al₂O₃ and the dense structure formed during firing, chrome corundum bricks can withstand high - friction environments. In a cement kiln, for example, traditional bricks may need replacement every 6 - 8 months, while chrome corundum bricks can last up to 18 - 24 months. | Reduces maintenance frequency and cost |
| Excellent Thermal Shock Resistance | The combination of raw materials and the unique firing process endow the bricks with good thermal shock resistance. They can endure rapid temperature changes from 1200°C to room temperature without cracking, which is crucial in industries where quick heating and cooling cycles are common. | Ensures stable operation in fluctuating temperature conditions |
| Strong Acid - Base Corrosion Resistance | The presence of Cr₂O₃ makes the bricks highly resistant to acid and base corrosion. In chemical plants where corrosive substances are present, chrome corundum bricks can maintain their integrity for a long time, while other materials may corrode within a few months. | Protects the kiln structure from chemical damage |
| Good High - Temperature Creep Resistance | Under high - temperature and long - term stress, chrome corundum bricks show minimal deformation. This property is essential for maintaining the shape and structure of the kiln, ensuring its long - term stable operation. | Maintains the structural stability of the kiln |
In a large - scale steel plant, chrome corundum bricks were installed in the blast furnace. After two years of continuous operation, the bricks showed only minor wear and tear, and the furnace maintained high - efficiency production. In a glass manufacturing factory, the use of chrome corundum bricks in the melting furnace reduced the frequency of furnace repairs and improved the quality of the glass products.
Chrome corundum bricks, with their superior raw materials, advanced production processes, and excellent performance features, are the ideal choice for your industrial kilns. They can provide long - term and stable service in extreme working conditions, allowing you to focus on your production without worrying about refractory material failures.
Are you ready to upgrade your industrial kilns with chrome corundum bricks? Let us help you make your high - temperature operations more worry - free. Contact us now or visit our factory to learn more about our products!
What extreme challenges is your equipment facing? Share with us, and we'll find the best solution for you.
<#else>
