Fused cast AZS block for glass industry furnace

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Fused zirconia corundum brick:
Fused zirconia corundum bricks are also called AZS fused zirconia corundum bricks, AZS bricks, and fused cast AZS bricks. Arranged, Al2O3 takes A, ZrO2 takes Z, SiO2 takes S, the national standard adopts this abbreviation, for example, No. 33 fused-cast zirconium corundum brick, abbreviated as AZS33#, No. 36 fused-cast zirconium corundum brick, abbreviated as AZS36#, No. 41 fused-cast zirconium corundum brick Corundum brick, abbreviated as AZS41#. Among them, 33, 36, and 41 are named according to the content of alumina (Al2O3). Fused zirconia corundum bricks with 36% alumina content, AZS33# refers to fused zirconia corundum bricks with 33% alumina content.

Production Method:
Fused zirconia corundum brick is a white solid formed by injecting pure alumina powder and zircon sand containing 65% zirconia and 34% silicon dioxide into the model and cooling in the electric furnace. The structure is composed of eutectoid and glass phase of corundum and zirconite, which is the eutectoid of corundum phase and zirconite phase in terms of phase, and the glass phase is filled between their crystals.

Fused zirconia corundum brick AZS33#:
The dense microstructure of AZS33# zirconium corundum bricks makes the bricks have good resistance to glass liquid erosion, and it is not easy to produce stones or other defects in the glass kiln. It is the most widely used product in glass furnaces, and it is mainly suitable for the upper structure of the melting pool, the pool wall brick and paving brick of the working pool, and the forehearth, etc.
AZS33 is the most used and most widely used product in the AZS series of melting and casting products, and it has excellent performance in preventing contamination of glass liquid. It is widely used in the pool wall, pool bottom, upper structure and feeding channel of glass furnace.

Fused zirconia corundum brick AZS36#:
In addition to having the same eutectic as AZS33# fused zirconia corundum brick, 36#AZS brick has more chain-like zirconia crystals and lower glass phase content, so the corrosion resistance of 36# fused zirconia corundum brick The performance is further enhanced, so it is suitable for areas with faster flow rate of molten glass or higher temperature.
AZS36 is a product with excellent performance in the AZS series of melting and casting products. It has high resistance to glass liquid erosion and low pollution. It is usually used in key parts such as the pool wall near the hot spot of the melting pool of the glass melting furnace.

Fused zirconia corundum brick AZS41#:
AZS41# fused zirconia corundum bricks not only have eutectics of silica and alumina, but also contain more uniformly distributed zirconia crystals. Among the zirconia corundum brick systems, their corrosion resistance is the best. Therefore, key parts of the glass furnace are selected to balance the life of these parts with other parts.
AZS41 is the product with the best performance in the casting AZS series products. It has extremely high resistance to glass liquid erosion and high glass phase exudation temperature, and has extremely low pollution to glass liquid. It is widely used in key parts such as the pool wall at the hot spot of the glass furnace, the corner of the feeding port, the liquid flow hole, the kiln ridge, the bubbling at the bottom of the pool, and the all-electric melting furnace.

Contact:
Marina Ma
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