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Zirconia Series Refractory Bricks

Fused AZS Brick

The low silicon and low sodium melting and Fused AZS Bricks series products have the characteristics of low glass phase content, high glass phase seepage temperature, good high-temperature stability, and strong resistance to corrosion of liquid glass.

Al2O3:45-51%
ZrO2:32-40%
SiO2:12-15%
Type:AZS-33/AZS-36/AZS-41
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Fused AZS Brick
Description
Technical Data
Application
Case
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Description of Fused AZS Brick

The low silicon and low sodium melting and Fused AZS Bricks series products have the characteristics of low glass phase content, high glass phase seepage temperature, good high-temperature stability, and strong resistance to corrosion of liquid glass.

Technical Data of Fused AZS Brick

ltem AZS-33 AZS-33 AZS-36 AZS-36 AZS-41 AZS-41
– Y H Y H Y H
Al2O3, ≥ 50 50.5 48 49 45 45.5
ZrO2, ≥ 32.0 32.0 35.0 35.0 40.0 40.0
SiO2, ≤ 15.0 16.0 13.5 13.5 13.0 12.0
Na2O, ≤ 1.5 1.5 1.4 1.4 1.3 1.3
BD, PT.QX, ≥ 3.40 3.30 3.45 3.40 3.55 3.50
BD, MS, ≤ 3.50 3.45 3.60 3.55 3.70 3.65
BD, WS, ≤ 3.60 3.55 3.70 3.65 3.80 3.75

Applications of Fused AZS Brick

  1. ‌Glass Industry (Primary Application):‌ The dominant use, essential for glass melting furnaces.

    • ‌Tank Walls:‌ Lining directly contacting molten glass, resisting erosion (using AZS 33#, 36#).
    • ‌Throat:‌ Highest erosion zone (high glass flow, temperature, scour); requires high-zirconia AZS (e.g., AZS 41#).
    • ‌Weir/Dam:‌ Separates melting/refining zones, withstands heavy erosion/scour.
    • ‌Bubbler Blocks:‌ Houses bubbling systems, resistant to molten glass and gas scour.
    • ‌Doghouse (Charging End):‌ Withstands batch material impact and thermal cycling.
    • ‌Forehearth:‌ Channels molten glass to forming equipment; contact surfaces often use AZS.
    • ‌Blowing Cylinders (Tube Glass):‌ Direct contact with molten glass.

  2. ‌Non-Ferrous Metallurgy:‌

    • ‌Aluminum Smelting:‌ Lining for electrolytic cells (sidewalls, cathode blocks), resisting molten cryolite and aluminum.
    • ‌Copper Smelting:‌ Lining slag lines and erosion-prone areas in anode/refining furnaces (molten copper, matte, slag).

  3. ‌Iron and Steel Industry (Specific Applications):‌

    • ‌Ladle Furnaces:‌ Slag line areas, especially with highly basic slags or special steels.
    • ‌AOD/VOD Converters:‌ Critical zones (tuyere areas, slag lines) in stainless steel refining.
    • ‌Reheating/Soaking Furnaces:‌ Skid rails in high-temperature sections.

  4. ‌Waste Incineration & Melting:‌

    • ‌Slag Melting Furnaces:‌ Lining (especially melt bath) resisting highly corrosive molten slag from municipal/industrial waste.

  5. ‌Chemical & Ceramic Industries:‌

    • ‌High-Temperature Reactors/Furnaces:‌ Lining for equipment handling corrosive molten salts, chemicals, or special ceramic glazes.

Case of Fused AZS Brick

Wuliangye Group
Location China
Time 2015.04
Type Glass Kiln
Procurement Zircon Bricks
Wujiang CSG Glass Co., Ltd.
Location China
Time 2022.12
Type Glass Kiln
Procurement Sillimanite Bricks
Zhangzhou Kibing Glass Co., Ltd.
Location China
Time 2015.03
Type Glass Kiln
Procurement Sillimanite bricks

Related products of Fused AZS Brick

Sintered AZS Brick

Al₂O₃:≥48%;

ZrO₂:≥30%;

Bulk density:≥3.2g/cm³;

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Zircon Mullite Brick

ZrO₂:≥6%;

Al₂O₃:≥48%;

Bulk density:≥2.8g/cm³;

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Zircon Brick

ZrO₂:≥65%;

Bulk densit:y≥3.75g/cm³;

Cold crushing strength:≥80MPa;

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Zhengzhou Zhongke Refractories Co.
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