Refractory Mullite Insulating Refractory Brick JM 34
- 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: Can insulating fire bricks be used in the construction of rotary kilns?
- Indeed, the utilization of insulating fire bricks is feasible in the fabrication of rotary kilns. These bricks are specially engineered to deliver exceptional thermal insulation, rendering them exceptionally well-suited for scenarios where heat retention is of utmost importance. In the establishment of rotary kilns, insulating fire bricks may be employed as a lining material to mitigate heat dissipation from the kiln and augment its energy efficiency. Not only that, but these bricks also possess commendable resistance to thermal shock, a quality of paramount significance in the high-temperature milieu of a rotary kiln. On the whole, the incorporation of insulating fire bricks in the construction of rotary kilns can significantly enhance their performance and curtail energy consumption.
- Q: Can insulating fire bricks be used for insulation in power boiler walls?
- Yes, insulating fire bricks can be used for insulation in power boiler walls. Insulating fire bricks are specifically designed to have low thermal conductivity, allowing them to effectively insulate high temperature environments such as power boilers. They are made from lightweight materials such as clay and other refractory materials, which provide excellent insulation properties while withstanding the extreme heat conditions found in power boilers. The use of insulating fire bricks in power boiler walls helps to reduce heat loss, improve energy efficiency, and maintain high operating temperatures within the boiler.
- Q: Are insulating fire bricks suitable for use in carbon black furnaces?
- Insulating fire bricks, made from refractory materials with excellent insulation properties, are well-suited for carbon black furnaces. These furnaces, operating at temperatures exceeding 1,000 degrees Celsius, benefit from the use of insulating fire bricks by reducing heat loss and improving energy efficiency. The bricks' thermal shock resistance is crucial for the cyclic heating and cooling within the furnace. Furthermore, their low thermal conductivity helps maintain a stable temperature inside the furnace and prevents excessive heat loss. In conclusion, insulating fire bricks provide a dependable and efficient lining option for carbon black furnaces.
- Q: Can insulating fire bricks be used for soundproofing?
- Insulating fire bricks are primarily designed for high-temperature applications, such as lining kilns and furnaces, due to their ability to withstand extreme heat. While they do offer some level of sound insulation due to their dense composition, they are not specifically designed or recommended for soundproofing purposes. Insulating fire bricks are more effective at blocking heat transfer than sound transmission. For soundproofing purposes, other materials specifically engineered for acoustic insulation, such as mineral wool, fiberglass, or foam panels, are typically used. These materials are designed to absorb and dampen sound waves, providing better soundproofing results. Therefore, if your goal is to soundproof a space, it is recommended to use materials specifically designed for that purpose rather than relying on insulating fire bricks.
- 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 ladles and tundishes?
- Yes, insulating fire bricks can be used in ladles and tundishes. Insulating fire bricks are designed to withstand high temperatures, making them suitable for use in these refractory applications. They provide excellent thermal insulation, reducing heat loss and improving energy efficiency in ladles and tundishes.
- Q: Can insulating fire bricks be used in thermal insulation panels?
- Insulating fire bricks possess the capability to be utilized in thermal insulation panels. These bricks are manufactured using lightweight materials, including clay, alumina, and silica, which exhibit exceptional thermal insulation properties. They are engineered to withstand extreme temperatures and deliver insulation across a range of applications, such as furnaces, kilns, and industrial equipment. When integrated into thermal insulation panels, insulating fire bricks aid in diminishing heat transfer and enhancing energy efficiency. They effectively trap and reflect heat, preventing its escape or entry into the insulated area. This renders them suitable for insulating walls, roofs, and other structures that necessitate thermal insulation. Furthermore, the installation of insulating fire bricks is hassle-free, as they can be cut or shaped to accommodate various spaces and configurations. This flexibility allows for personalized customization and ensures a secure and efficient insulation barrier. It should be noted that while insulating fire bricks provide exceptional thermal insulation, their effectiveness in sound insulation may be limited. Therefore, additional soundproofing measures may be required if soundproofing is also a requirement. In conclusion, insulating fire bricks represent a dependable choice for thermal insulation panels, offering superior insulation performance, durability, and versatility.
- Q: Are insulating fire bricks resistant to alkali-silica reaction?
- IFBs do not possess inherent resistance against alkali-silica reaction (ASR), which is a chemical reaction occurring between the alkalis from cement and reactive forms of silica found in aggregates. This reaction can result in the formation of a gel that expands and causes cracks in concrete structures. Although IFBs are typically constructed from refractory materials engineered to withstand high temperatures and thermal shock, they lack specific properties to combat ASR. The refractory material's composition and characteristics determine its resistance to ASR when used in IFBs. Should the refractory material utilized in an IFB contain reactive forms of silica like quartz or cristobalite, and there is exposure to alkalis, the possibility of ASR occurring exists. However, if the refractory material has a low content of reactive silica or contains additives that can mitigate ASR, the risk of ASR can be minimized. It is essential to recognize that the primary function of IFBs is to provide insulation in high-temperature applications, such as kilns, furnaces, and fireplaces. If ASR resistance is a crucial requirement for a specific application, it is advisable to consult the manufacturer or a materials engineer to determine the suitability of the IFB for that particular scenario.
- Q: Can insulating fire bricks be used for insulation in power generation plants?
- Yes, insulating fire bricks can be used for insulation in power generation plants. Insulating fire bricks are specifically designed to tolerate high temperatures and provide excellent thermal insulation. They are commonly used in power plants to insulate boilers, furnaces, and other equipment to reduce heat loss and improve energy efficiency.
- Q: Can insulating fire bricks be used in the construction of lime production kilns?
- Yes, insulating fire bricks can be used in the construction of lime production kilns. Lime production kilns require high temperatures to convert limestone into lime, and insulating fire bricks are known for their ability to withstand and retain high temperatures. These bricks have high insulating properties, allowing the kiln to reach the desired temperature quickly and efficiently, while also minimizing heat loss during the production process. Insulating fire bricks are also lightweight and easy to handle, making them suitable for use in the construction of lime production kilns. Additionally, these bricks have good thermal shock resistance, meaning they can withstand rapid temperature changes without cracking or breaking, which is crucial in the kiln environment. Overall, the use of insulating fire bricks in the construction of lime production kilns can help optimize the efficiency and effectiveness of the lime production process.
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Refractory Mullite Insulating Refractory Brick JM 34
- 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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