Silica Mullite Wear-resistant Composite Brick Description
Silica Mullite Wear-resistant Composite Brick is a specialized refractory brick designed for high abrasion and wear resistance, particularly in high-temperature environments. This type of brick combines silica (SiO₂) with mullite (3Al₂O₃·2SiO₂), resulting in a strong, durable material with excellent thermal stability and resistance to chemical corrosion. Silica Mullite Wear-resistant Composite Bricks are primarily used in applications where high resistance to mechanical wear, thermal shock, and chemical erosion are needed, such as in rotary kilns and cement kilns.
Silica Mullite Wear-resistant Composite Brick Specifications
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Items
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GMF-1
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Structure
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Working layer
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Thermal insulation layer
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Al2O3, % ≥
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65
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50
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SiC+SiO2, ≥
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30
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-
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Bulk Density g/cm3 ≥
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2.65
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2.1-2.3
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Apparent Porosity % ≤
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17
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-
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Cold Crushing Strength Mpa ≥
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90
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50
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Thermal Shock Resistance
800℃ water cycle ≥
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15
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15
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Wear Resistance A/C ≥
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5
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-
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Thermal Conductivity 800℃ w·m·k
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2.5-2.3
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1.0-1.3
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Silica Mullite Wear-resistant Composite Brick Applications
- Cement Kilns: Used in the transition and cooling zones of cement rotary kilns due to their wear resistance and thermal stability.
- Rotary Kilns: Ideal for various types of rotary kilns where high abrasion and chemical resistance are essential, particularly in the lining of the sintering zone.
- Non-ferrous Metal Furnaces: Applied in areas exposed to high temperatures and corrosive slags, such as copper and aluminum melting furnaces.
Silica Mullite Wear-resistant Composite Brick Packaging
Our Silica Mullite Wear-resistant Composite Brick is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1: What is a Silica Mullite Wear-resistant Composite Brick?
A Silica Mullite Wear-resistant Composite Brick is a refractory material made from a combination of silica (SiO₂) and mullite (3Al₂O₃•2SiO₂). It is specifically designed for applications that require high wear, thermal shock, and chemical resistance, particularly in high-temperature environments.
2. What are the primary applications of Silica Mullite Composite Bricks?
These bricks are commonly used in cement kilns, especially in the transition and cooling zones, as well as in rotary kilns and non-ferrous metal furnaces. They are chosen for areas that require high abrasion resistance and exposure to harsh temperatures and chemical environments.
3. How are Silica Mullite Composite Bricks manufactured?
These bricks are made by combining high-quality silica with mullite under specific firing conditions. The silica and mullite are bonded together to create a dense, wear-resistant brick that withstands high temperatures and mechanical stress.
