Corundum Mullite Precast Blocks for Rotary Kiln and Industrial Furnace Applications
Corundum mullite precast blocks are high-performance refractory prefabricated components manufactured from high-purity corundum and mullite raw materials through advanced forming and sintering processes. They are specially designed for rotary kilns, industrial furnaces and other high-temperature equipment requiring excellent thermal stability, mechanical strength and corrosion resistance.Compared with traditional refractory lining methods, precast blocks provide consistent quality, faster installation, reduced construction time and improved service reliability. Their excellent resistance to thermal shock, abrasion, slag erosion and high-temperature deformation makes them ideal for demanding applications such as rotary kiln burning zones, transition zones, furnace linings, waste incineration systems and metallurgical equipment.
Luming manufactures customized corundum mullite precast blocks in various shapes and sizes according to different operating conditions. With professional refractory production technology and on-site installation experience, we provide complete refractory solutions to help customers achieve longer service life, safer operation and lower maintenance costs.
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Why Choose Us
Quality Assurance
Our company obtained ISO9001 International Quality Management System certification from the China Quality Certification Centre (CQC) in 2006.
After-Sale Service
Professional and thoughtful after -sales team, let you worry about us after -sales Intimate service, strong after -sales team support.
Custom-Engineered Solutions
By pioneering new energy-saving refractory materials and innovating kiln lining designs, we dedicate ourselves to helping clients achieve energy conservation and emission reduction goals.
Production Market
We have established long-term business cooperation and joint product R&D projects with leading design institutes, including:Dalian Design & Research Institute of ACRE (Coking & Refractory Engineering Consulting Corporation, MCC)),Shandong Metallurgical Design Institute Co., Ltd,Changsha Research Institute of Mining and Metallurgy (CRIMM), Minmetals.
High Resistance to Thermal Shock: AZS bricks can withstand sudden temperature changes, which is crucial in processes that involve rapid heating and cooling.
Lower Thermal Conductivity: Their insulating properties help maintain energy efficiency during operations.
Durability: With exceptional mechanical strength, AZS bricks are resistant to wear and chemical attack, ensuring longevity.
Specification
|
Property |
Value |
|
Al₂O₃ Content |
≥48% |
|
ZrO₂ Content |
≥32% |
|
SiO₂ Content |
≤17% |
|
Bulk Density (110℃) |
≥3.1 g/cm³ |
|
Apparent Porosity |
≤18% |
|
Cold Crushing Strength (CCS) |
≥80 MPa |
|
Modulus of Rupture (MOR) |
≥10 MPa (1100°C×3h) |
|
Refractoriness Under Load |
≥1630°C (0.2MPa) |
|
Thermal Shock Resistance |
≥30 cycles (1100°C-water) |
Features of Azs Re-sintered Brick
High melting point
The high melting point makes the product suitable for use in high-temperature furnaces.
Low thermal conductivity
The low thermal conductivity ensures that the furnace maintains a stable temperature.
Excellent thermal insulation properties
The product's excellent thermal insulation properties reduce heat loss and energy consumption.
High compressive strength
The high compressive strength ensures that the product can withstand high-pressure environments.
Resistant to corrosion and abrasion
The product's resistance to corrosion and abrasion makes it suitable for use in harsh environments.
High-quality raw materials
The use of high-quality zirconia and mullite powders ensures the product's durability and stability.
》Raw material quality control including physical and chemical testing.
》Crushing and grinding of bulk raw materials.
》According to customer data sheet required to mixing Raw Material.
Pressing or shaping the green brick depend on different raw material and brick shape.
》Dry the bricks at dryer kiln.
》Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
》The quality control department will inspect the finished refractory bricks random.
Application of Azs Re-sintered Brick
Glass Manufacturing: Azs Re-sintered Brick are extensively used in the glass industry, particularly in the construction of glass melting furnaces, regenerators, ports, checker bricks, and throat walls. The blocks have high resistance to thermal shock, corrosion, and erosion, making them ideal for containing and shaping molten glass.
Steel Industry: Azs Re-sintered Brick are also employed in the steel industry for applications such as steel ladle linings and tundish linings. They can withstand high temperatures and chemical reactions that occur during steel production, providing excellent resistance to corrosion and erosion.
Non-Ferrous Metal Industry: Azs Re-sintered Brick find application in the non-ferrous metal industry, specifically in the construction of smelting furnaces and crucibles for melting and refining materials like aluminum, copper, and zinc. The blocks' high refractoriness and resistance to chemical attack are advantageous in these environments.
Cement Industry: Azs Re-sintered Brick are used in the cement industry for lining kilns, preheaters, and cyclones. They provide superior resistance to alkali attacks and thermal stresses, ensuring prolonged service life in the harsh conditions of cement manufacturing.
Waste Incineration: Azs Re-sintered Brick are utilized in waste incineration plants for lining furnaces and other areas exposed to high temperatures and aggressive chemical environments. Their excellent resistance to thermal shock and chemical attack contributes to the durability and efficiency of waste treatment processes.
FAQ
As one of the most professional corundum mullite precast block manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy corundum mullite precast block at competitive price from our factory.
Zirconia-corundum Skid Block, Azs Re-sintered Brick, Corundum Precast Block
