Common types of breathable bricks

Breathable brick is a new product with high lifespan, energy saving and consumption reduction, reasonable structure design, excellent thermal stability, erosion resistance, erosion resistance, and penetration resistance, high blow-through rate, safe and reliable operation, and long service life. Long and other characteristics. Mainly used for steel ladle, base and other parts.

In addition, in order to meet the requirements of large-scale refined ladle for breathable bricks, through technical means such as formula optimization and high-temperature firing, a corundum-spinel breathable brick with better function and application effect than traditional chrome corundum breathable bricks has been successfully developed. The bricks use tabular corundum as granular material, fused white corundum as fine powder, and add 6 percent pure calcium aluminate cement, 5 percent active-Al2O3 micropowder and 8 percent spinel, and add appropriate amount of chromium oxide and water reducing agent. , After vibrating molding, after drying, it is fired at 1500 degrees Celsius for more than 3 hours. The breathable brick is used on large-scale pure ladle and has achieved satisfactory application effect. So what are the common types of breathable bricks?

1. Ladle breathable brick: This is a high-strength breathable brick with strong compression resistance! Ladle breathable brick is produced by ladle argon blowing process, and the penetration of molten steel is often relatively small, so ladle breathable brick According to the different ventilation channels of the ventilation bricks, ladle ventilation bricks can also be divided into dispersion type ladle ventilation bricks, straight-through directional ladle ventilation bricks and slit oriented ventilation bricks. Shaped ladle breathable bricks.

2. Furnace bottom breathable brick: It is a relatively common breathable brick. Because it is mainly used at the bottom of the furnace, it has a strong high temperature resistance function.