Insulating Fire Bricks - High Quality Refractory Clays with Excellent Thermal Insulation
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 m.t./month
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Refractory clays insulating firebricks/good thermal insulation bricks:are made of Mullite material in good purity.In order to meet the thermal and physical requirements,we produce BJM insulating firebricks into several grades through the addtion of alumina.And we also add some material (which will burns out) to get the pole structure which is helpful for the heat thermal. This kind product used for oven/ furnace and some equipments working in high temperature by back-up insulation behind other refractories.The production of these goods are strictly in size and quality.
Advantages of Refractory clays insualting firebricks/good thermal insulation bricks:
• Made of high pure material,light weight • Color pure white • Good thermal conductivity • Great thermal shock resistance • very good volume stability at high temperature |
Teachnical Date sheet ofRefractory clays insulating firebricks
/good thermal insulation bricks:
| Grade | Density(kg/m3) | Cold crushing strenth(Mpa) | Thermal Conductivity(400°c/600°c) | AL2O3 | SiO2 | Fe2O3≤% | Linear change≤% | Thermal shock resistance times |
| BJM23 | 600 | 1.2 | 0.18/0.20 | 41 | 54 | 1 | 1250*12/0.5 | >20 |
| BJM26 | 800 | 1.6 | 0.25/0.30 | 55 | 41 | 0.8 | 1400*12/0.5 | >20 |
| BJM28 | 900 | 2.0 | 0.33/0.35 | 65 | 31 | 0.7 | 1500*12/1.0 | >20 |
| BJM30 | 1000 | 2.5 | 0.40/0.42 | 73 | 25 | 0.7 | 1600*12/1.0 | >20 |
| BJM32 | 1200 | 2.8 | 0.45/0.50 | 76 | 20 | 0.8 | 1650*12/1.0 | >20 |
Application
Refractory clays insulating firebricks/good thermal insualtion bricks:
• Backup lining for fireclay brick and high alumina brick in boilers,ceramic kiln,reheating furnace,glass furnace,periodic kiln and high efficiency incinerators,etc. • Backup lining of cyclone preheaters and cooler in cement plant,hot gas generator,hot air direat stack and floor lining for kiln car,etc. |
FAQ
Q4: What is the minimum quantity?
A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
Q5: Can you give me a brief introduction of the application of your products?
A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.
- Q: Can insulating fire bricks be used for insulation in cement kilns?
- Insulation in cement kilns can be achieved by using insulating fire bricks. These bricks are made from lightweight materials like ceramic fibers or expanded clay, which possess high insulation properties. Their low thermal conductivity allows them to effectively reduce heat transfer and retain heat within the kiln. Cement kilns operate at extremely high temperatures, often surpassing 1,400 degrees Celsius (2,500 degrees Fahrenheit). Incorporating insulating fire bricks in the kiln helps prevent heat loss, enhances energy efficiency, and reduces fuel consumption. By creating a barrier between the hot gases inside the kiln and the surrounding environment, these bricks minimize heat escape. Additionally, insulating fire bricks exhibit remarkable resistance to thermal shocks, enabling them to withstand the severe temperature fluctuations that occur in cement kilns. This durability ensures long-lasting insulation, minimizing the need for frequent maintenance and replacement. Nevertheless, it is crucial to note that the specific type and composition of insulating fire bricks required for cement kiln insulation may vary depending on factors such as the kiln's design and operating conditions. Consulting with experts or manufacturers specializing in refractory materials is advisable to ensure the correct selection and installation of insulating fire bricks for cement kiln insulation.
- Q: Can insulating fire bricks be used for insulation in gas furnaces?
- Indeed, insulation in gas furnaces can be achieved by utilizing insulating fire bricks. These bricks are crafted from lightweight materials like clay and other minerals, boasting remarkable insulation capabilities. Specifically engineered to endure extreme temperatures, they are extensively employed in industrial settings, notably gas furnaces. By reducing heat loss, enhancing energy efficiency, and sustaining elevated temperatures within the furnace, these bricks play a crucial role. Furthermore, they exhibit resistance to thermal shock and can withstand the corrosive impact of gases and chemicals commonly found in gas furnaces. Hence, insulating fire bricks serve as a suitable option for insulating gas furnaces.
- Q: Can insulating fire bricks be used in chimneys?
- Yes, insulating fire bricks can be used in chimneys. Insulating fire bricks are designed to withstand high temperatures, making them an ideal choice for lining chimneys. They have excellent thermal insulation properties, which help to prevent heat loss and increase the efficiency of the chimney. Additionally, insulating fire bricks are lightweight and easy to install, making them a convenient option for chimney lining. However, it is important to note that insulating fire bricks are not suitable for all types of chimneys. It is recommended to consult a professional or chimney specialist to determine the appropriate materials for your specific chimney needs.
- Q: Are insulating fire bricks resistant to chlorine gas?
- Yes, insulating fire bricks are generally resistant to chlorine gas. Insulating fire bricks are made from refractory materials, which are designed to withstand high temperatures and resist chemical corrosion. Chlorine gas is a highly reactive substance and can cause corrosion or damage to many materials. However, insulating fire bricks have a high resistance to chemical attack, making them suitable for applications where they may come into contact with chlorine gas. It is important to note that the specific composition and quality of the insulating fire bricks can vary, so it is always recommended to consult the manufacturer or supplier for specific information regarding their resistance to chlorine gas.
- Q: Are insulating fire bricks resistant to high-velocity gas flow erosion?
- Insulating fire bricks are generally capable of resisting erosion caused by high-velocity gas flow. These bricks are engineered to endure extreme temperatures and harsh conditions, including environments prone to erosion. They are crafted from top-notch refractory materials, like alumina and silica, renowned for their outstanding resistance to erosion and corrosion. Moreover, insulating fire bricks possess low thermal conductivity, aiding in minimizing heat loss and preserving their structural integrity even when subjected to high-velocity gas flow. Nonetheless, it is crucial to acknowledge that the precise level of resistance may differ depending on the unique composition and manufacturing techniques employed in creating the insulating fire bricks.
- Q: Are insulating fire bricks resistant to fire damage?
- Insulating fire bricks have been specially crafted to endure fire damage. Their composition consists of unique refractory materials, enabling them to withstand exceedingly high temperatures without warping or compromising their insulation capabilities. Possessing a high melting point and low thermal conductivity, these bricks effectively insulate against heat transfer and safeguard against fire harm. Their utilization is widespread in scenarios demanding exposure to fire and elevated temperatures, including furnaces, kilns, fireplaces, and industrial procedures. In summary, insulating fire bricks exhibit reliability and durability, delivering exemplary defense against fire damage.
- Q: Are insulating fire bricks suitable for use in aluminum smelting furnaces?
- Insulating fire bricks are typically unsuitable for aluminum smelting furnaces as they are designed to retain heat rather than withstand extreme temperatures. Aluminum smelting requires temperatures exceeding 1,000 degrees Celsius, making refractory fire bricks or refractory castables more appropriate. These materials have high melting points and can endure the intense heat without compromising their structural integrity. They also possess excellent thermal shock resistance, which is crucial due to rapid temperature fluctuations in the furnace during operation. Furthermore, refractory materials used in aluminum smelting furnaces should exhibit resistance to corrosion and chemical attack from molten aluminum and other substances involved in the smelting process. Insulating fire bricks may lack the necessary chemical resilience, potentially resulting in premature degradation and failure of the furnace lining. In conclusion, although insulating fire bricks may be suitable for applications requiring thermal insulation, they are generally not recommended for use in aluminum smelting furnaces. Refractory fire bricks or refractory castables are better suited for this chemically aggressive and high-temperature environment.
- Q: Can insulating fire bricks be used in the construction of steel rolling mills?
- Yes, insulating fire bricks can be used in the construction of steel rolling mills. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining furnaces, kilns, and other industrial applications. Using insulating fire bricks in steel rolling mills can help maintain stable temperature conditions and improve energy efficiency during the rolling process.
- Q: Can insulating fire bricks be used as a structural component in a building?
- No, insulating fire bricks are not designed to be used as a structural component in a building. They are primarily used for their high insulation properties and are not strong enough to bear significant loads or provide structural support.
- Q: Can insulating fire bricks be used in the construction of smelting furnaces?
- Smelting furnaces can indeed utilize insulating fire bricks in their construction. These bricks have been specifically crafted to endure extreme temperatures and offer exceptional insulation, rendering them an impeccable choice for smelting furnaces. Their low thermal conductivity aids in minimizing heat dissipation and upholding a steady temperature within the furnace. Moreover, these bricks are lightweight, which facilitates their handling and installation. All in all, incorporating insulating fire bricks in the construction of smelting furnaces can enhance energy efficiency, diminish operational expenses, and elevate the overall furnace performance.
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Insulating Fire Bricks - High Quality Refractory Clays with Excellent Thermal Insulation
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 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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