Corundum-mullite refractory bricks are high-quality refractory materials that are widely used in various high-temperature industrial furnaces. They are made from high-quality corundum and mullite as the primary raw materials, which are then pressed and fired at high temperatures.
These bricks are classified according to their composition, such as fused cast corundum-mullite bricks, sintered corundum-mullite bricks, and others. In terms of grade, they are usually divided into three categories: first grade, second grade, and third grade.
The technical parameters of corundum-mullite refractory bricks include high-temperature resistance, thermal shock resistance, and abrasion resistance. They have a high melting point and can withstand temperatures above 1700°C. The refractory bricks have excellent thermal shock resistance, which allows them to be used in rapid temperature changes. Additionally, they also have good abrasion resistance, which makes them suitable for use in industrial furnaces with high mechanical loads.
The production process of corundum-mullite refractory bricks involves several stages, including raw material preparation, mixing, molding, drying, and firing. The raw materials are thoroughly mixed in a particular ratio, shaped into bricks, then dried and fired at high temperatures to form dense bricks with excellent mechanical strength.
In conclusion, corundum-mullite refractory bricks are essential materials for industrial furnaces. With their high-temperature resistance, thermal shock resistance, and abrasion resistance, they can effectively prolong the service life and improve the efficiency of industrial furnaces. The industry continues to develop new technologies and innovation in the production of these bricks, which helps improve the quality and performance of corundum-mullite refractory bricks in different industrial applications.
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