High Alumina Refractory Brick for Furnace
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- 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:How does an insulating fire brick work?
- Insulating fire bricks, also known as refractory bricks, are specially designed to withstand high temperatures and serve as thermal barriers in various industrial applications. These bricks are made from refractory materials that have low thermal conductivity, meaning they are poor conductors of heat. The primary mechanism by which insulating fire bricks work is through their ability to trap and slow down the transfer of heat. Unlike regular bricks or concrete, insulating fire bricks contain a high percentage of air pockets within their structure, which act as insulators. These air pockets help to prevent the transfer of heat by effectively blocking the movement of thermal energy. When exposed to high temperatures, insulating fire bricks absorb minimal heat due to their low thermal conductivity. Instead of conducting heat through the brick, the energy is reflected or absorbed by the air pockets within the brick's structure. This prevents heat from transferring to the other side of the brick, effectively creating a thermal barrier. Furthermore, the refractory materials used in insulating fire bricks are inherently resistant to thermal shock and can withstand rapid temperature changes without cracking or breaking. This makes them ideal for applications where extreme temperature variations are common. Insulating fire bricks are widely used in industries such as metallurgy, ceramics, glass manufacturing, and kiln construction, where they are used to line furnaces, kilns, and other high-temperature equipment. By effectively reducing heat transfer, these bricks help to improve energy efficiency, reduce heat loss, and protect surrounding materials and structures from the intense heat. In summary, the working principle of an insulating fire brick lies in its ability to minimize heat transfer through its low thermal conductivity and air pocket structure. By creating a thermal barrier, these bricks play a crucial role in providing insulation, protecting against heat loss, and ensuring the efficient operation of high-temperature processes.
- Q:Can insulating fire bricks be used in high-temperature insulation panels?
- Yes, insulating fire bricks can be used in high-temperature insulation panels. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight refractory materials that have low thermal conductivity, allowing them to effectively reduce heat transfer. These bricks can be used in various applications, including furnaces, kilns, and high-temperature insulation panels. They are capable of withstanding temperatures up to 3000°F (1650°C) and can effectively retain heat, making them an ideal choice for high-temperature insulation panels.
- Q:Can insulating fire bricks be used in incinerators?
- Yes, insulating fire bricks can be used in incinerators. Insulating fire bricks are specially designed to provide excellent thermal insulation, making them ideal for applications where high temperatures need to be maintained. In incinerators, which operate at extremely high temperatures, insulating fire bricks can help to reduce heat loss and improve the overall energy efficiency of the system. Additionally, these bricks have good resistance to thermal shock, which is crucial in incinerators where rapid temperature changes occur. Therefore, using insulating fire bricks in incinerators can help to enhance their performance and longevity.
- Q:What are the advantages of using insulating fire bricks over traditional bricks?
- Using insulating fire bricks instead of traditional bricks offers several advantages. To begin with, insulating fire bricks possess superior thermal insulation properties compared to traditional bricks. This means they are more efficient at retaining heat and preventing heat loss. Consequently, they are highly suitable for industries where temperature control is crucial, such as in industrial furnaces, kilns, and ovens. By minimizing heat loss, insulating fire bricks aid in enhancing energy efficiency and reducing heating expenses. Furthermore, insulating fire bricks have a higher melting point than traditional bricks, rendering them more resistant to extreme temperatures. Consequently, they are ideal for use in environments with intense heat, like the metallurgical and glass industries. Insulating fire bricks can endure temperatures of up to 3000°F (1650°C), whereas traditional bricks typically have a lower melting point. Moreover, insulating fire bricks possess a lightweight structure and low thermal mass. As a result, they heat up quickly and cool down rapidly, making them suitable for applications that require frequent temperature changes or rapid heat-up times. Conversely, traditional bricks have a higher thermal mass and take longer to heat up or cool down. Additionally, insulating fire bricks exhibit greater resistance to thermal shock and can withstand sudden temperature changes without cracking or breaking. This durability makes them more long-lasting compared to traditional bricks, which are more susceptible to damage caused by thermal cycling. Furthermore, insulating fire bricks are often easier to install and handle due to their lightweight nature. They are also available in various sizes and shapes, offering more flexibility in construction and design. This versatility can help reduce labor and installation costs. In conclusion, the advantages of using insulating fire bricks over traditional bricks include superior thermal insulation properties, a higher melting point, lightweight structure and low thermal mass, resistance to thermal shock, durability, and ease of installation. These benefits make insulating fire bricks the preferred choice for various high-temperature applications, providing enhanced energy efficiency, cost savings, and overall improved performance.
- Q:How do insulating fire bricks affect the overall insulation efficiency of a process?
- Insulating fire bricks significantly enhance the insulation efficiency of a process by providing a high level of thermal resistance. These bricks have low thermal conductivity and can withstand high temperatures, effectively minimizing heat transfer and reducing energy loss. This improved insulation helps maintain consistent and controlled temperatures, leading to increased energy efficiency and reduced fuel consumption in various industrial processes.
- Q:Can insulating fire bricks be used in wood-fired kilns?
- Yes, insulating fire bricks can be used in wood-fired kilns. Insulating fire bricks are specifically designed to withstand high temperatures and provide insulation, making them suitable for use in wood-fired kilns where temperatures can reach extreme levels.
- Q:Can insulating fire bricks be used in lime plants?
- Indeed, insulating fire bricks have the capability to be utilized in lime plants. These bricks are uniquely crafted to possess a remarkably low thermal conductivity, thus enabling them to effectively impede the transfer of heat. In the context of lime plants, where elevated temperatures are necessary for the calcination process, insulating fire bricks can be employed to line the kilns and other zones exposed to high temperatures. By doing so, these bricks aid in the preservation of heat within the lime kilns, resulting in a reduction of energy loss and an enhancement of overall efficiency. Furthermore, insulating fire bricks possess resistance against chemical attacks and are able to endure the harsh conditions experienced in lime plants, rendering them a suitable and appropriate choice for this particular application.
- Q:Can insulating fire bricks be used in the construction of aluminum smelting furnaces?
- Yes, insulating fire bricks can be used in the construction of aluminum smelting furnaces. Insulating fire bricks are made from lightweight materials such as refractory clay and have high insulating properties. This makes them ideal for use in high-temperature environments, such as aluminum smelting furnaces, where they can help to conserve heat and improve energy efficiency. Aluminum smelting furnaces typically operate at very high temperatures, often above 1000 degrees Celsius. In these extreme conditions, insulating fire bricks can provide effective thermal insulation, which helps to reduce heat loss and maintain the desired temperature inside the furnace. This insulation can also help to reduce the energy required to heat the furnace, leading to cost savings and increased efficiency. Additionally, insulating fire bricks have excellent resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is important in an aluminum smelting furnace, where the heating and cooling cycles can be frequent and rapid. Another advantage of using insulating fire bricks in aluminum smelting furnaces is their low thermal conductivity. This property allows them to retain heat within the furnace, preventing it from escaping to the surrounding environment. By reducing heat loss, insulating fire bricks can help to maintain a consistent temperature throughout the smelting process, ensuring optimal conditions for the melting and refining of aluminum. In summary, insulating fire bricks are a suitable choice for the construction of aluminum smelting furnaces due to their high insulating properties, resistance to thermal shock, and low thermal conductivity. Their use can help to improve energy efficiency, reduce heat loss, and maintain a stable temperature within the furnace.
- Q:Can insulating fire bricks be used in the construction of refractory linings?
- Yes, insulating fire bricks can be used in the construction of refractory linings. Insulating fire bricks have excellent thermal insulation properties, low thermal conductivity, and high refractoriness, making them suitable for applications where heat retention and energy efficiency are important. They are commonly used in industries such as steel, ceramics, glass, and cement to line kilns, furnaces, and other high-temperature equipment.
- Q:Can insulating fire bricks be used in the construction of kilns?
- Insulating fire bricks have the ability to be utilized in the construction of kilns. With a focus on possessing a high insulating value, these bricks can endure high temperatures while minimizing heat loss. This attribute renders them well-suited for the task of kiln construction as they effectively preserve and regulate the desired temperature within the kiln. Furthermore, these bricks are lightweight and easily manageable, adding to their convenience in kiln construction. An additional advantage lies in their resistance to thermal shock, an imperative characteristic for kilns that experience swift temperature fluctuations. In general, insulating fire bricks are a favored option for kiln construction due to their insulating properties, durability, and user-friendliness.
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High Alumina Refractory 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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