• Refractory Mullite Insulating Refractory Brick JM 38 System 1
  • Refractory Mullite Insulating Refractory Brick JM 38 System 2
  • Refractory Mullite Insulating Refractory Brick JM 38 System 3
  • Refractory Mullite Insulating Refractory Brick JM 38 System 4
Refractory Mullite Insulating Refractory Brick JM 38

Refractory Mullite Insulating Refractory Brick JM 38

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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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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.

Insulating brick

Refractory Mullite Insulating Refractory Brick JM 38

Refractory Mullite Insulating Refractory Brick JM 38


Q:Can insulating fire bricks be used in applications involving molten metal?
Insulating fire bricks offer a viable option for applications utilizing molten metal. Crafted from lightweight refractory materials possessing exceptional thermal insulation properties, these bricks effectively endure high temperatures and deliver insulation and heat transfer protection. In scenarios involving molten metal, insulating fire bricks can serve as linings in furnaces, crucibles, and other equipment, effectively preventing heat loss and maintaining the desired temperature. Additionally, they function as a barrier between the molten metal and structural components, effectively averting damage or contamination. Nevertheless, it is crucial to acknowledge that the appropriateness of insulating fire bricks for a particular molten metal application hinges on factors such as temperature, metal type, and specific process requirements.
Q:What are the new types of building brick materials?
In addition to the original clay brick, other masonry materials seem to be called new materials. Sintered silt bricks, steam blocks, lightweight blocks, hollow clay bricks, etc..
Q:Are insulating fire bricks resistant to spalling?
Insulating fire bricks exhibit resistance to spalling. These bricks are specially engineered to endure elevated temperatures and thermal shock, rendering them highly immune to spalling. Spalling indicates the fracturing and fracturing of bricks owing to exposure to extreme heat. Composed of superior refractory materials with low thermal conductivity, insulating fire bricks restrict heat transmission and diminish spalling hazards. Moreover, these bricks boast a remarkable melting point, rendering them excellently suited for applications demanding high temperatures. Consequently, insulating fire bricks find widespread application in furnaces, kilns, and other environments characterized by elevated temperatures, where spalling poses a significant concern.
Q:Can insulating fire bricks be used in the construction of blast furnaces?
Insulating fire bricks can indeed be utilized in the construction of blast furnaces. To maintain high temperatures, blast furnaces necessitate insulation, and insulating fire bricks offer exceptional thermal insulation properties. These bricks are crafted from lightweight materials like clay and alumina, which possess the ability to endure high temperatures without melting or deteriorating. With their low thermal conductivity, they effectively minimize heat loss and conserve energy within the blast furnace. Moreover, insulating fire bricks exhibit strong resistance to chemical reactions, rendering them suitable for the harsh conditions found in blast furnace environments. All in all, the insulation capabilities and heat-resistance of insulating fire bricks make them the preferred choice for constructing blast furnaces.
Q:Can insulating fire bricks be used in high-temperature insulation boards?
Yes, insulating fire bricks can be used in high-temperature insulation boards. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. They can be easily incorporated into insulation boards to enhance their insulating properties and increase their resistance to heat.
Q:Can insulating fire bricks be used as a lining for boilers?
Indeed, boilers can make use of insulating fire bricks as linings. These bricks are specifically engineered to endure extreme temperatures and possess outstanding thermal insulation capabilities. Their prevalent application lies in contexts where conserving heat and promoting energy efficiency are paramount, notably in industrial boiler settings. The insulating properties inherent in these bricks facilitate the reduction of heat dissipation and enhance the overall efficiency of the boiler. Furthermore, their robustness and ability to withstand thermal shock render them fitting for deployment within boiler linings, where they can endure the harshest conditions and temperature fluctuations.
Q:Can insulating fire bricks be used in refractory linings for blast furnaces?
Yes, refractory linings for blast furnaces can utilize insulating fire bricks. These bricks are specifically designed to possess low thermal conductivity, effectively minimizing heat loss from the furnace. This characteristic holds particular significance in blast furnaces where maintaining high temperatures is crucial for optimal operation. Insulating fire bricks are crafted from lightweight refractory materials like alumina or silica, renowned for their exceptional insulating properties. These bricks not only provide thermal insulation, but they also exhibit remarkable resistance to thermal shock, rendering them suitable for the extreme conditions prevalent in blast furnaces. Beyond insulation, insulating fire bricks present additional advantages for blast furnace linings. They possess a lightweight nature and are easily installable, thereby reducing construction labor and time requirements. Moreover, their low thermal conductivity aids in minimizing the occurrence of hot spots and uneven temperature distribution within the furnace. These issues, if unaddressed, can trigger premature wear and failure of the refractory lining. However, it is crucial to acknowledge that relying solely on insulating fire bricks may not suffice for all portions of the blast furnace lining. Certain areas, such as the hearth and tuyere zones, may necessitate high-density refractory bricks capable of withstanding intense heat and mechanical stress. In such cases, a combination of insulating fire bricks and other refractory materials can be employed to achieve the desired performance and longevity. Overall, insulating fire bricks serve as a valuable constituent in refractory linings for blast furnaces, offering benefits such as enhanced energy efficiency, reduced heat loss, and prolonged lifespan of the lining.
Q:Can insulating fire bricks be used in hydrogen furnaces?
Insulating fire bricks possess the capability to be utilized in hydrogen furnaces, although it is imperative to acknowledge that not all variants of insulating fire bricks are suitable for this particular purpose. Due to the highly reactive nature of hydrogen gas, certain materials can deteriorate or react, thereby giving rise to concerns regarding safety and potential harm to the furnace. When making a selection of insulating fire bricks for employment in hydrogen furnaces, it becomes crucial to opt for bricks that are explicitly designed for environments characterized by high temperatures and corrosive conditions. These bricks ought to be constructed from materials that exhibit resistance against hydrogen embrittlement and possess a low reactivity with hydrogen. Silicon carbide (SiC) and alumina-silica (Al2O3-SiO2) are frequently utilized materials for insulating fire bricks within hydrogen furnaces. These materials boast remarkable resistance to elevated temperatures and remain chemically stable when exposed to hydrogen. Moreover, it is of utmost importance to take into account the density and porosity of the insulating fire bricks. For hydrogen furnaces, it is preferable to employ bricks with low density and high porosity, as they offer enhanced thermal insulation and diminish the likelihood of hydrogen leakage. In conclusion, while insulating fire bricks can be employed in hydrogen furnaces, it is crucial to meticulously select the appropriate type of bricks that are specifically engineered for high-temperature and corrosive environments, and exhibit commendable resistance against hydrogen embrittlement and reactivity. Seeking consultation from specialists in the field and adhering to the guidelines provided by the manufacturer is highly recommended to ensure the safe and efficient operation of the hydrogen furnace.
Q:Can insulating fire bricks be used in both residential and industrial applications?
Insulating fire bricks are versatile and suitable for both residential and industrial use. They provide thermal insulation, preventing heat loss and maintaining desired temperatures in various settings. In residential applications, these bricks enhance energy efficiency and reduce heat loss in fireplaces, wood-burning stoves, and kilns. In industrial environments, they are commonly used in furnaces, kilns, and high-temperature areas to insulate and prevent heat transfer. Additionally, they are utilized in constructing ovens, chimneys, and boilers in both residential and industrial settings. In summary, insulating fire bricks can be applied in numerous applications, making them suitable for both residential and industrial purposes.
Q:Do insulating fire bricks have low thermal conductivity?
Insulating fire bricks possess a low thermal conductivity, ensuring minimal heat loss and outstanding insulation capabilities. Their composition, usually incorporating lightweight elements like clay, silica, and alumina, accounts for their reduced thermal conductivity. Consequently, these materials are inefficient at transferring heat. Consequently, insulating fire bricks effectively curtail heat transfer, thus preserving elevated temperatures within a structure. Hence, they are an excellent choice for high-temperature insulation needs, exemplified by their suitability for kilns, furnaces, and fireplaces.

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