Refractory Mullite Insulating Refractory Brick JM 40
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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General Information
CMAX insulating firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)
Feature
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Application of Insulating brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc.
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density，g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
- 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 vibrations?
- Insulating fire bricks are generally not designed to be resistant to vibrations. While they are known for their excellent thermal insulation properties, their resistance to vibrations is typically limited. Insulating fire bricks are made from lightweight materials such as ceramic fibers, vermiculite, or perlite, which are not particularly known for their ability to dampen or absorb vibrations. Therefore, if a specific application requires resistance to vibrations, it may be advisable to consider alternative materials or designs that are better suited for such conditions.
- Q:Can insulating fire bricks be used as a lining material for boilers?
- Yes, insulating fire bricks can be used as a lining material for boilers. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in boiler linings.
- Q:Can insulating fire bricks be used in the construction of high-temperature reactors?
- Yes, insulating fire bricks can be used in the construction of high-temperature reactors. These bricks are designed to withstand and retain high temperatures, making them suitable for use in applications such as high-temperature reactors where heat insulation is required.
- Q:Can insulating fire bricks be used in wastewater treatment plants?
- Yes, insulating fire bricks can be used in wastewater treatment plants. Insulating fire bricks are designed to withstand high temperatures, making them suitable for use in various industrial applications, including wastewater treatment plants. They are commonly used in the construction of kilns, furnaces, and other high-temperature equipment. In wastewater treatment plants, insulating fire bricks can be used in the construction of incinerators, thermal oxidizers, and other systems that require high-temperature insulation. Their properties, such as high thermal resistance, low thermal conductivity, and excellent insulation capabilities, make them ideal for maintaining the desired temperatures in these systems while minimizing heat loss. Additionally, insulating fire bricks are resistant to chemical attacks, which is important in wastewater treatment plants where various chemicals and corrosive substances are present. Overall, the use of insulating fire bricks in wastewater treatment plants can help improve energy efficiency, reduce maintenance costs, and ensure the longevity of high-temperature equipment.
- Q:Can insulating fire bricks be used as a backup insulation in refractory linings?
- Yes, insulating fire bricks can be used as a backup insulation in refractory linings. Insulating fire bricks are designed to have low thermal conductivity, which makes them effective in reducing heat transfer in high-temperature applications. Their insulating properties make them ideal for use as a backup insulation layer in refractory linings, helping to further reduce heat loss and improve overall energy efficiency. Additionally, insulating fire bricks are lightweight, which makes them easier to handle and install compared to other refractory materials. However, it is important to consider the specific requirements of the application and consult with a refractory engineer to ensure that insulating fire bricks are suitable for the specific conditions and performance requirements of the refractory lining.
- Q:Are insulating fire bricks resistant to molten salts?
- Insulating fire bricks are known for their general resistance to molten salts. These bricks are specifically designed to endure high temperatures and provide excellent thermal insulation. They are typically crafted from special refractory materials with a high melting point and chemical inertness. In contrast, molten salts have a corrosive nature that can cause harm to various materials. Nevertheless, insulating fire bricks can endure the corrosive effects of molten salts due to their distinctive composition. Their dense structure and superior refractory properties enable them to resist the corrosive impact of molten salts over extended periods. Moreover, insulating fire bricks find widespread use in industries like metal smelting, glass manufacturing, and chemical processing, where encounters with molten salts are common. Their resistance to molten salts makes them highly suitable for applications involving these corrosive substances. However, it is important to note that the specific resistance of insulating fire bricks to molten salts can vary depending on the brick's composition and the type of molten salt used. Therefore, it is recommended to consult the manufacturer or a refractory materials specialist to ensure the appropriateness of insulating fire bricks for a particular application involving molten salts.
- Q:Can insulating fire bricks be used as a lining material for boilers?
- Yes, insulating fire bricks can be used as a lining material for boilers. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in boiler linings.
- Q:Can insulating fire bricks be used in the construction of thermal insulation floors?
- Insulating fire bricks are indeed suitable for the construction of thermal insulation floors. These bricks are specifically designed to possess low thermal conductivity, enabling them to effectively impede heat transfer. Consequently, they are an excellent selection for thermal insulation purposes, including floors. The utilization of insulating fire bricks in the construction of thermal insulation floors can greatly decrease heat loss from the floor, resulting in enhanced energy efficiency and cost savings. Furthermore, these bricks are lightweight and easy to install, making them a practical option for construction projects. All in all, insulating fire bricks offer a suitable and effective means of incorporating thermal insulation into floors.
- Q:How do insulating fire bricks help improve the efficiency of combustion processes?
- Insulating fire bricks play a crucial role in improving the efficiency of combustion processes in several ways. Firstly, their insulating properties help to minimize heat loss and maintain higher temperatures within the combustion chamber. This is important because higher temperatures promote more complete combustion, leading to reduced fuel consumption and increased energy efficiency. By preventing heat from escaping, insulating fire bricks also contribute to the retention of thermal energy within the combustion system. This means that less heat is wasted and more of it is utilized for the combustion process, resulting in improved overall efficiency. Moreover, insulating fire bricks can help to create a more controlled and stable combustion environment. They provide a thermal barrier between the combustion chamber and the surrounding environment, reducing the risk of heat transfer to external components and minimizing the potential for overheating or damage to the combustion system. Additionally, insulating fire bricks can contribute to the reduction of emissions during combustion processes. By maintaining higher temperatures, they promote more complete combustion, which in turn leads to lower levels of harmful pollutants being released into the atmosphere. This is particularly important in industries that require strict adherence to environmental regulations. In summary, insulating fire bricks improve the efficiency of combustion processes by minimizing heat loss, retaining thermal energy, creating a controlled environment, and reducing emissions. Their ability to maintain higher temperatures and prevent heat transfer ultimately leads to reduced fuel consumption and improved energy efficiency.
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Refractory Mullite Insulating Refractory Brick JM 40
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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