Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 25
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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Okorder series heat insulation brick
Okorder series thermal insulation brick is an effective, energy saving, low carbon, environmental protection advanced, according to the ASTM standard manufacturing products. Okorder series products have all kinds of materials in the field of metallurgy, industrial furnaces, aluminum, the best Li Ning petrochemical and insulation, electric power and glass ceramics. They can be used as part of an insulation or not to melt. Products have been widely used in the following furnace, achieved satisfactory results.
Application of heat preservation 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.
Chundu: High-speed Rail, low content of alkali metal impurities.
Accuracy: the size of the brick machining precision, cutting and grinding the special shape, speed up the brick.
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: Are insulating fire bricks resistant to hydrogen sulfide?
- In general, hydrogen sulfide is not withstood by insulating fire bricks. This highly corrosive gas has the ability to react with various substances, including fire bricks. Fire bricks, although engineered to endure high temperatures, lack a specific resistance to chemical corrosion. Consequently, when fire bricks encounter hydrogen sulfide, they may deteriorate gradually, resulting in possible harm or malfunction. Hence, it is advisable to employ alternative materials specifically crafted to withstand corrosion caused by hydrogen sulfide in situations where this gas is anticipated.
- 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 are specifically designed to have excellent thermal insulation properties, making them ideal for applications where high temperatures need to be contained. They are commonly used in the construction of furnaces, kilns, and other high-temperature environments. The insulating properties of these bricks help to reduce heat loss, improve energy efficiency, and maintain a stable temperature within the refractory lining. Additionally, insulating fire bricks are lightweight and easy to handle, making them a practical choice for refractory lining construction.
- Q: Are insulating fire bricks suitable for use in carbon black furnaces?
- Yes, insulating fire bricks are suitable for use in carbon black furnaces. Insulating fire bricks are made from refractory materials that have excellent insulation properties, which makes them ideal for high-temperature applications such as carbon black furnaces. Carbon black furnaces operate at extremely high temperatures, typically above 1,000 degrees Celsius, and the use of insulating fire bricks helps to reduce heat loss and improve energy efficiency. These bricks also have good thermal shock resistance, which is crucial for the cyclic heating and cooling that occurs in the furnace. Additionally, insulating fire bricks have low thermal conductivity, which helps to maintain a stable temperature inside the furnace and prevent excessive heat loss. Overall, insulating fire bricks are a reliable and effective choice for lining carbon black furnaces.
- Q: Are insulating fire bricks safe to use?
- Yes, insulating fire bricks are safe to use. They are specifically designed to withstand high temperatures and are made from non-toxic materials that do not emit harmful gases or substances when heated. They provide excellent insulation and are commonly used in various applications such as kilns, furnaces, and fireplaces.
- Q: Can insulating fire bricks be used in the construction of aluminum smelting furnaces?
- Insulating fire bricks can indeed be utilized in the construction of aluminum smelting furnaces. These bricks are crafted from lightweight materials like refractory clay and possess exceptional insulating qualities. Consequently, they are well-suited for implementation in environments with elevated temperatures, such as aluminum smelting furnaces. By conserving heat and enhancing energy efficiency, they prove to be advantageous in these settings. Typically, aluminum smelting furnaces function at remarkably high temperatures, frequently exceeding 1000 degrees Celsius. In such extreme circumstances, insulating fire bricks serve as effective thermal insulation, thereby minimizing heat loss and sustaining the desired temperature inside the furnace. This insulation also contributes to reducing the energy required to heat the furnace, leading to cost savings and heightened efficiency. Furthermore, insulating fire bricks exhibit exceptional resistance to thermal shock. This quality enables them to endure rapid temperature variations without experiencing cracking or breakage. This characteristic holds significance in the context of an aluminum smelting furnace, where heating and cooling cycles can occur frequently and swiftly. In addition, insulating fire bricks possess low thermal conductivity, which is another advantage when employed in aluminum smelting furnaces. This property facilitates the retention of heat within the furnace, preventing it from dissipating into the surrounding environment. By diminishing heat loss, insulating fire bricks aid in maintaining a consistent temperature throughout the smelting process, ensuring optimal conditions for aluminum melting and refining. In summary, due to their remarkable insulating properties, resistance to thermal shock, and low thermal conductivity, insulating fire bricks constitute a suitable choice for constructing aluminum smelting furnaces. Their utilization contributes to enhanced energy efficiency, reduced heat loss, and the maintenance of a stable temperature inside the furnace.
- Q: Several kinds of energy-saving bricks
- It can be said that the type of brick is the kind of energy-saving brick. Coal gangue sintered brick (known as red brick), porous brick, hollow brick, aerated concrete block brick, etc..
- Q: Can insulating fire bricks be used in the construction of heat exchangers?
- Yes, insulating fire bricks can be used in the construction of heat exchangers. Insulating fire bricks are designed to have excellent thermal insulation properties, which makes them ideal for applications where high temperatures need to be maintained or controlled. Heat exchangers are devices that transfer heat between two or more fluids, and insulation is crucial to prevent heat loss or gain during the process. Using insulating fire bricks in the construction of heat exchangers helps to minimize heat transfer to the surrounding environment, resulting in improved energy efficiency and reduced operating costs. The bricks can withstand high temperatures, typically up to 3000°F (1650°C), making them suitable for various heat exchanger applications, including furnaces, boilers, and industrial processes. Additionally, insulating fire bricks are lightweight and have low thermal conductivity, which means they provide effective insulation while being less bulky and more cost-effective than traditional refractory bricks. This makes them easier to handle and install in heat exchanger systems. Overall, the use of insulating fire bricks in the construction of heat exchangers offers several advantages, including enhanced thermal insulation, improved energy efficiency, and reduced costs.
- Q: Can insulating fire bricks be used in ceramic fiber boards?
- Insulating fire bricks have the potential to be utilized in ceramic fiber boards. They are commonly employed as a lining material for high-temperature purposes due to their ability to endure extremely high temperatures and offer exceptional thermal insulation. Conversely, ceramic fiber boards are lightweight and possess commendable thermal shock resistance, rendering them suitable for employment in diverse industrial and residential settings. When utilized in conjunction, insulating fire bricks can be positioned behind or around the ceramic fiber boards to augment their insulating properties and elevate overall thermal efficiency. The bricks have the capability to provide additional structural support and assist in retaining heat within the system, thereby enhancing energy efficiency and minimizing heat loss. Nevertheless, it is crucial to acknowledge that the compatibility of insulating fire bricks and ceramic fiber boards might fluctuate based on the specific application and requirements. It is advisable to seek guidance from manufacturers or industry professionals to ensure appropriate selection and installation of these materials according to your individual needs.
- Q: Are insulating fire bricks suitable for outdoor use?
- No, insulating fire bricks are not suitable for outdoor use as they are not designed to withstand the harsh weather conditions and can deteriorate quickly when exposed to moisture and temperature fluctuations.
- Q: Are insulating fire bricks resistant to insects and rodents?
- No, insulating fire bricks are not specifically designed to be resistant to insects and rodents. While these bricks are primarily used for their excellent thermal insulation properties in high-temperature applications such as furnaces and kilns, they do not possess any inherent resistance to pests. If you are concerned about insects or rodents, it is recommended to implement additional pest control measures such as sealing any gaps or cracks and using appropriate pest deterrents.
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 25
- 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
OKorder Financial Service
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