Introduction of Magnesium Iron Spinel Brick

Magnesia-iron spinel bricks are made of bivalent iron aluminum spinel (FeO Al2O3) and high-purity magnesia as the main raw materials. During the firing process, the firing temperature and firing atmosphere are strictly controlled to ensure that the iron in the brick is oxidized. The substance exists in the form of FeO.

During the use of mafic-iron spinel bricks, a layer of highly viscous calcium-iron and calcium-iron-aluminum compounds is formed on the hot surface of the brick, which is easy to hang on the kiln. In addition to the excellent kiln-hanging properties of magnesia-chrome bricks, magnesia-iron spinel bricks also have higher thermomechanical and thermochemical properties.

Product characteristics of magnesium iron spinel brick

Magnesium-iron spinel bricks have the advantages of strong alkali corrosion resistance, strong erosion resistance, good thermal stability, high pressure resistance, and high load softening temperature.

The main purpose of magnesium iron spinel bricks: widely used in various large and medium-sized lime kilns such as rotary kilns, sleeve kilns, shaft kilns, etc.

Magnesia-iron spinel bricks have higher Fe2O3 content and lower Cr2O3 content than conventional magnesia-chrome bricks. Because the cement raw meal has a good affinity for Fe2O3 in the brick, the cement kiln can be fired with a fast kiln skin, so as to protect the refractory brick body, reduce the damage caused by thermal stress and mechanical stress, and reduce the consumption of refractory materials.