High Alumina Insulating Fire Brick for Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t
- Supply Capability:
- 3000 m.t/month
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Refractory Brick
CMAX firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
Refractory bricks the main raw material for aluminum silicate fiber cotton, using vacuum
forming production process, operation and add silica sol, aluminum phosphate inorganic binder,
its role is to ensure that the products of the high temperature strength.
Features
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Application
Fire brick is widely used in Blast furnaces, Hot Blast Stove, Steel ladle lining, Reheating furnace, Cement kiln, Tunnel kiln,Boiler, Coke oven, Waste incinerators ,Carbon furnace, Glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc.
Data Sheet
Classification Temperature (℉/℃) | 3000/1650 |
Bulk Density (g/cm3 ) | ≤1.0 |
Thermal Conductivity | |
800℃, W/m.K | ≤0.39 |
1000℃, W/m.K | ≤0.43 |
1200℃, W/m.K | ≤0.48 |
Reheating Linear Change (%) | 1550℃×12h |
≤0.9 | |
Chemical Composition (%) | |
Al2O3 | ≥75 |
Fe2O3 | ≤0.5 |
Packaging & Shipping
Packaging Details:Be packed in fumigated wooden pallets
Delivery Detail: 30 days after order
Our Services
Optimum solution and product supply of refractories for high temperature industries, such as iron steel, non-ferrous, petrochemical and building materials.
Engineering design, contract and consult for refractories, and civil architecture design.
Research, development, manufacture and sale of superhard materials.
R&D, manufacture and sale of special packing materials for export.
Inspection, supervision and arbitration of refractories.
Consultation and services in refractories information.
Training and cultivation of high-level talents in refractories profession
Sales Network
Company Information
CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in integrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.
FAQ
1. Which products do you have?
We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.
2. Can you give me a brief introduction of the application of your products?
We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.
3. If I need your offer, what information do you need?
In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc. If any question, please contact us freely.
- Q: Can insulating fire bricks be used in chimney construction?
- Yes, insulating fire bricks can be used in chimney construction. Insulating fire bricks are designed to have low thermal conductivity, which means they are effective in reducing heat transfer. This makes them suitable for chimney construction as they can help to keep the chimney walls cooler and prevent excessive heat from transferring to the surrounding structures. Additionally, insulating fire bricks are lightweight and have good insulation properties, making them easier to handle and install in chimney construction. However, it is important to note that insulating fire bricks should be used in conjunction with other fire-resistant materials in order to meet safety regulations and ensure proper chimney construction.
- Q: How do insulating fire bricks provide thermal insulation?
- The unique composition and structure of insulating fire bricks enable them to provide thermal insulation. These bricks utilize lightweight materials like clay, shale, and other minerals, which possess low thermal conductivity. As a result, they are not easily conductive of heat, serving as an effective barrier against heat transfer. Furthermore, insulating fire bricks are intentionally designed to have a porous structure. This design incorporates small air pockets within the bricks, effectively reducing the conduction of heat. These air pockets function as a barrier, effectively restricting the movement of heat from one side of the brick to the other. Moreover, insulating fire bricks possess a high melting point, rendering them suitable for high-temperature applications. This characteristic allows the bricks to endure extreme heat without undergoing deformation or breakdown, ensuring long-lasting thermal insulation. To summarize, the low thermal conductivity, porous structure, and high melting point of insulating fire bricks collectively contribute to their ability to provide thermal insulation. These attributes work in unison to minimize heat transfer, making them an excellent choice for situations requiring thermal insulation.
- Q: Are insulating fire bricks resistant to thermal fatigue?
- Yes, insulating fire bricks are generally resistant to thermal fatigue due to their ability to withstand repeated heating and cooling cycles without significant damage or deterioration. Their high thermal shock resistance and low thermal conductivity make them ideal for applications where thermal cycling occurs frequently.
- Q: What is the difference between insulating fire bricks and regular fire bricks?
- Insulating fire bricks are designed to have lower thermal conductivity, allowing them to retain heat more effectively and prevent heat loss. Regular fire bricks, on the other hand, have higher thermal conductivity as they are primarily used for structural purposes and to withstand high temperatures.
- Q: Can insulating fire bricks be used in industrial furnaces?
- Yes, insulating fire bricks can be used in industrial furnaces. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They are made from lightweight refractory materials, such as alumina, silica, or mullite, which have low thermal conductivity. This allows them to efficiently trap heat within the furnace, reducing heat loss and improving energy efficiency. In industrial furnaces, where high temperatures are required for various processes like metal melting, glass manufacturing, or ceramic production, insulating fire bricks can be used to line the inner walls and floor of the furnace. Their insulation properties help to maintain a consistent temperature inside the furnace, ensuring optimal conditions for the industrial process. Insulating fire bricks also have the advantage of being lightweight, which makes them easier to handle and install compared to traditional dense fire bricks. This can save time and labor costs during the construction or repair of industrial furnaces. However, it is worth noting that the specific type and composition of insulating fire bricks should be carefully selected based on the operating temperature and requirements of the industrial furnace. Different types of insulating fire bricks have different temperature limits and resistance to thermal shock. Therefore, consulting with a professional or a refractory expert is recommended to ensure the right selection and installation of insulating fire bricks in industrial furnaces.
- Q: Are insulating fire bricks suitable for insulation in petrochemical plants?
- Insulating fire bricks, which are composed of lightweight materials with exceptional insulating properties like ceramic fibers or lightweight refractory aggregates, are well-suited for insulation in petrochemical plants. These bricks possess a low thermal conductivity that effectively curbs heat transfer and provides insulation in high-temperature settings. In petrochemical plants, where the manipulation of flammable and hazardous substances occurs, maintaining proper insulation is of utmost importance for safety and efficiency. By withstanding extreme temperatures and delivering superb thermal insulation, insulating fire bricks effectively curtail heat loss and diminish energy consumption. Moreover, insulating fire bricks exhibit resistance to chemical corrosion, rendering them suitable for deployment in petrochemical plants frequently exposed to corrosive chemicals. Additionally, these bricks demonstrate durability and commendable mechanical strength, enabling them to endure the harsh conditions typically encountered in petrochemical plants. All in all, insulating fire bricks emerge as the ideal choice for insulation in petrochemical plants due to their capacity to withstand high temperatures, exceptional thermal insulation properties, resistance to chemical corrosion, and remarkable durability.
- Q: Can insulating fire bricks be used in the construction of steam generators?
- Indeed, the utilization of insulating fire bricks is possible in the construction of steam generators. Specifically engineered to possess superior thermal insulation properties, these bricks are well-suited for applications necessitating elevated temperatures and thermal stability. Given that steam generators function at high temperatures and necessitate efficient heat transfer, insulation becomes indispensable for preventing heat dissipation and enhancing energy efficiency. By enduring extreme temperatures and offering effective insulation, insulating fire bricks diminish heat losses and enhance the overall effectiveness of steam generators. Furthermore, their lightweight composition facilitates easy handling and installation during the construction process. Therefore, insulating fire bricks represent a fitting choice for the construction of steam generators.
- Q: What is the water absorption of insulating fire bricks?
- The water absorption of insulating fire bricks refers to the amount of water that the bricks can absorb when submerged or in contact with water. This property is an important factor to consider when using insulating fire bricks in applications that involve exposure to moisture or water. The water absorption of insulating fire bricks is typically quite low, with values ranging from 2% to 8% depending on the specific type and composition of the bricks. This low water absorption is due to the dense and compact structure of the bricks, which limits the penetration and absorption of water molecules into the material. The low water absorption of insulating fire bricks is beneficial in various applications. For instance, it helps to prevent moisture from seeping into the bricks and causing damage or degradation. It also ensures that the bricks do not retain excessive moisture, which could lead to increased weight, reduced insulation properties, or even the formation of cracks or fractures when exposed to high temperatures. By having a low water absorption, insulating fire bricks are able to maintain their structural integrity and insulation performance even in wet or humid environments. This makes them suitable for use in a wide range of industries and applications, such as kilns, furnaces, ovens, and other high-temperature processes where moisture resistance is crucial. Overall, the water absorption of insulating fire bricks is an important characteristic that contributes to their durability, thermal insulation properties, and resistance to moisture-related issues.
- Q: Why does the water drop first and then rise when the boiler fires?
- Often in the operation of the boiler, the steam water mixture to the drum after intense evaporation of a large number of bubbles in the water side, the water volume expansion. By actual water level drum water level indicator is higher than the water level
- Q: Can insulating fire bricks be used in the construction of glass melting furnaces?
- Yes, insulating fire bricks can be used in the construction of glass melting furnaces. Insulating fire bricks are designed to have a high resistance to heat and are capable of withstanding extremely high temperatures. They have low thermal conductivity, which means they can effectively retain heat and minimize heat loss. In glass melting furnaces, where temperatures can reach up to 1600°C (2912°F) or even higher, insulating fire bricks play a crucial role in maintaining the desired temperature inside the furnace. By using insulating fire bricks as the furnace lining, the heat generated during the melting process can be efficiently contained within the furnace, allowing for better energy efficiency and reduced heat loss. Furthermore, insulating fire bricks are lightweight and have good thermal shock resistance, which makes them ideal for use in glass melting furnaces where rapid temperature changes are common. This ensures that the bricks will not crack or break under the extreme conditions of the furnace. Overall, the use of insulating fire bricks in the construction of glass melting furnaces provides better insulation, energy efficiency, and durability, making them a suitable choice for this application.
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High Alumina Insulating Fire Brick for Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t
- Supply Capability:
- 3000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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