Clay bricks are the most common types of materials used in blast furnaces. They are favored for their durability and toughness. These materials are also very efficient at resisting thermal shock and contaminants and can therefore be used in various applications including refractory brick, fire brick, and high temperature brick applications.
Clay bricks are created by combining clay, water, and other additives. This mixture is then shaped and hardened before being ready for use. Many types of clay bricks have been created to meet the needs of different blast furnaces. Fire clay bricks, for example, often contain alumina, silica, and iron oxides and are resistant to high temperatures and extreme temperature fluctuations. They are popular for lining hot combustion chambers and boiler walls and are usually not exposed to the direct flame. High alumina bricks, on the other hand, feature a high proportion of alumina and can withstand the intense heat of blast furnaces. These bricks are often used to construct internal walls or protect the steel shell and can provide protection from heat radiation and thermal cycling.
Clay bricks have several advantages over other materials used in blast furnace construction. They are dense and wear resistant, so they can handle heavy loads and abrasion. In addition, clay bricks are versatile, allowing for a customized design for any specific needs. They also come in a variety of sizes and shapes, making it easier to fit them into any arrangement. Clay bricks are also often more affordable than other blast furnace materials, which leads to lower operating costs. Finally, clay brick walls are easier to repair and replace than metal walls, leading to lower maintenance costs.
Overall, clay bricks are an ideal material for use in blast furnaces. They are strong, wear resistant, and customizable and can be used in a variety of applications. In addition, clay bricks are cost-effective and easy to repair and replace, leading to long-term savings on operating and maintenance costs. Clay bricks provide a safe, strong, and reliable construction material that can withstand the heat, pressure, and contaminants of a blast furnace.