Industry Knowledge of Magnesia Refractory Brick

Magnesia refractory bricks (MRBs) are a critical material used in high temperature industrial settings such as steel and glass manufacturing. Due to its excellent thermal and chemical resistance properties, MRBs can withstand temperatures up to 2000℃.

MRBs are classified into different grades based on their composition and application. The most common grades are magnesia chrome bricks, magnesia alumina spinel bricks, and fused cast magnesia bricks. Each grade has unique characteristics that make them suitable for specific application requirements.

Magnesia chrome bricks are used in high-temperature furnaces such as cement, steel, and glass industries. They are made from chrome ore and fused magnesia. Magnesia alumina spinel bricks are made from magnesia and alumina spinel and are used in the chemical industry. While fused cast magnesia bricks are manufactured through a casting process, producing dense, high-purity bricks with excellent resistance to slag erosion.

The production of MRBs involves several stages, starting with the selection of raw materials, crushing, and sieving, followed by mixing, molding, drying, and firing. All production processes are strictly monitored to ensure excellent quality control standards.

In terms of technical parameters, MRBs are measured based on their apparent porosity, bulk density, compressive strength, and thermal shock resistance. These parameters determine the suitability of MRBs for various industrial applications. For example, high-density bricks with low porosity are ideal for environments containing high concentrations of corrosive materials.

In summary, MRBs are critical materials used in high-temperature industrial settings. They are graded according to their composition and application, and their technical specifications determine their suitability for specific tasks. MRBs are manufactured through several stages, and quality control measures are implemented to ensure excellent performance in various settings.