Clay bricks in refractory bricks are made of 50% soft clay and 50% hard clay clinker. They are compounded according to a certain particle size. After molding and drying, they are fired at a high temperature of 1300 to 1400 ° C. Clay bricks are weakly acidic refractory products, which can resist the erosion of acidic slag and acidic gases, and have a slightly lower resistance to alkaline substances. Clay bricks have good thermal properties and are resistant to rapid cold and heat.
Clay bricks are a major variety of silicon-aluminum products. Refractory products made of clay clinker as aggregate and refractory clay as binder with Al2O3 content of 30-48%. Mainly used in thermal boilers, glass kilns, cement kilns, fertilizer gasifiers, blast furnaces, hot air furnaces, coking furnaces, electric furnaces, bricks for casting and steel pouring, etc.
Based on the production of general clay bricks, the clay bricks produced by our company use homogenizing materials as the main raw materials, adding appropriate amounts of auxiliary materials and some additives, after fine grinding, mixing, and high-pressure molding, at an appropriate firing temperature It is transformed into mullite crystal phase, and the residual product has a good mineral composition, thereby ensuring that the product has high fire resistance, dense bulk density, low porosity, excellent high temperature creep performance and good volume stability.
