FIRE High Temperature Refractory Insulating Firebrick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000000 m.t./month
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nsulating Firebrick is made of high grade bauxite through high temperature calcinations. High alumina brick is a kind of neutral refractory material so that it enjoys excellent resistance
to acid and alkali corrosion. It has characteristic of high refractoriness under load, which decide high alumina brick is a n ideal material for various kinds of industrial furnace. It is widely
used in building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.
characteristics: 1 Excellent thermal stability
2 High refractoriness under load
3 Chemical stability and anti-corrision
4 Small high temperature creep rate
5 Excellent thermal shock resistance
Typical Application: 1 Building materials for blast furnace
2 Building materials for hot-blast stove
3 Building materials for coke oven
4 Building materials for steel making furnace
5 Kiln car building
6 For ladle
Product Type: fireclay brick (SK 32, SK 34)
high alumina brick (sk 35-38)
Package: pallet, thermal shrinkage package
Technical Data
Item | Fireclay Brick | High Alumina Brick | |||||
SK32 | SK34 | SK35 | SK36 | SK37 | SK38 | ||
Al2O3 (%) ≥ | 38 | 42 | 48 | 55 | 65 | 75 | |
Refractoriness (oC) ≥ | 1670 | 1730 | 1750 | 1770 | 1790 | 1810 | |
Refractoriness under Load (oC) ≥ | 1250 | 1300 | 1420 | 1470 | 1500 | 1520 | |
Linear Change (%) (2h) | 1350 oC | 1350 oC | 1450 oC | 1500 oC | 1500 oC | 1500 oC | |
-0.5 | -0.5 | -0.4-+0.1 | -0.4-+0.1 | -0.4-+0.1 | -0.4-+0.1 | ||
Porosity (%) ≤ | 26 | 26 | 22 | 22 | 23 | 23 | |
Cold Crushing Strength, MPa ≥ | 15 | 20 | 39.2 | 44.1 | 49 | 53.9 | |
FAQ
Q1: How do you control the products quality?
A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.
From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis
Q2: What`s the lead time for my order?
A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.
Q3: Can you offer Door-to-Door delivery?
A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
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:How does the density of an insulating fire brick affect its performance?
- The density of an insulating fire brick plays a crucial role in determining its performance. Generally, a higher density brick will offer better thermal insulation and mechanical strength compared to a brick with lower density. The thermal insulation property of an insulating fire brick is directly affected by its density. A brick with higher density will have smaller pores and a more compact structure, resulting in better insulation against heat transfer. This means that the brick will be able to effectively resist the transfer of heat from one side to the other, making it more efficient in maintaining a consistent temperature within the structure it is used in. On the other hand, a brick with lower density will have larger pores and a less compact structure, allowing for more heat transfer and reducing its insulating capabilities. In addition to thermal insulation, the density of an insulating fire brick also impacts its mechanical strength. A higher density brick will generally have greater structural integrity and resistance to mechanical stress. This means that it will be more reliable and durable, capable of withstanding higher temperatures and physical pressures without cracking or breaking. On the contrary, a brick with lower density may be more fragile and prone to damage, limiting its ability to perform in harsh conditions. Therefore, it is important to consider the density of an insulating fire brick when selecting one for a specific application. A balance needs to be struck between achieving optimal thermal insulation and mechanical strength. Factors such as the desired level of insulation, the operating temperature, and the structural requirements of the application should be taken into account to determine the appropriate density of the insulating fire brick for maximum performance.
- Q:Can insulating fire bricks be used as a lining material for boilers?
- Insulating fire bricks have the capability to serve as a lining material for boilers. They are composed of lightweight refractory substances that possess exceptional insulating properties. The bricks are specifically constructed to withstand elevated temperatures, thus rendering them appropriate for usage in boilers, where temperatures can soar to several hundred degrees Celsius. By virtue of their insulating properties, these bricks aid in minimizing heat loss, thereby enhancing the energy efficiency of the boiler. Moreover, they exhibit resistance against thermal shock, a vital attribute for enduring the rapid fluctuations in temperature that transpire within boilers. Ultimately, owing to their remarkable insulating properties and capacity to endure high temperatures, insulating fire bricks emerge as a suitable alternative for lining boilers.
- Q:Can insulating fire bricks be used in the construction of hearths?
- Indeed, hearths can be constructed using insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures, rendering them a superb selection for hearth construction. With their low thermal conductivity, they effectively retain heat and hinder the transmission of heat to nearby surroundings. Consequently, they are perfect for establishing a well-insulated and efficient hearth. Furthermore, their lightweight and manageable nature make them highly convenient for construction tasks. All in all, insulating fire bricks prove to be a dependable and pragmatic choice for the development of hearths.
- 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 the construction of lime production kilns?
- Yes, insulating fire bricks can be used in the construction of lime production kilns. Insulating fire bricks are designed to have excellent thermal insulation properties, which makes them suitable for high-temperature applications like lime production kilns. They can help in maintaining the desired temperature inside the kilns and reducing heat loss, enhancing the efficiency and productivity of the lime production process.
- Q:Do insulating fire bricks require any curing before use?
- Indeed, curing is necessary for insulating fire bricks prior to their usage. Curing refers to the procedure of drying and toughening the bricks in order to guarantee their resilience against high temperatures, preventing any potential cracking or breaking. To accomplish this, the temperature needs to be elevated gradually over a specific duration, usually commencing with a gentle heat and slowly escalating it throughout several hours. Curing is pivotal as it aids in eliminating any moisture or volatile substances that may exist within the bricks, which, if left untreated, could lead to cracking or even explosion when exposed to elevated temperatures. To ensure the correct installation and longevity of the fire bricks, it is crucial to adhere to the manufacturer's guidelines regarding the curing process.
- Q:Are insulating fire bricks suitable for insulation in boilers for steam generation?
- Yes, insulating fire bricks are suitable for insulation in boilers for steam generation. Insulating fire bricks are specifically designed to have excellent thermal insulation properties, which make them ideal for use in high-temperature applications such as boilers. These bricks have a low thermal conductivity, meaning they can effectively reduce heat transfer and prevent heat loss. This insulation capability helps to maintain high temperatures within the boiler, improving energy efficiency and reducing fuel consumption. Additionally, insulating fire bricks are resistant to thermal shock, which is crucial for withstanding the extreme temperature fluctuations that occur in steam generation. Overall, using insulating fire bricks in boilers for steam generation can enhance the thermal efficiency and performance of the system.
- Q:Can insulating fire bricks be used for kiln furniture?
- Indeed, kiln furniture can be fashioned from insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures and are frequently employed in industrial kilns and furnaces. Their exceptional thermal insulation characteristics render them perfect for crafting kiln furniture like shelves, posts, and supports. The insulating attributes of these bricks aid in the uniform dispersion of heat throughout the kiln, guaranteeing consistent heating of the items being fired. Furthermore, insulating fire bricks possess a lightweight composition and are effortlessly manageable, thereby making them a convenient selection for kiln furniture.
- Q:Can insulating fire bricks be used in the construction of lime recovery kilns?
- Yes, insulating fire bricks can be used in the construction of lime recovery kilns. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for such applications. They help to conserve energy and maintain the desired temperature within the kiln, enhancing the efficiency of the lime recovery process.
- Q:Is it possible to recycle used insulating fire bricks?
- It is indeed feasible to recycle insulating fire bricks that have been used. Insulating fire bricks consist of a range of materials, including alumina, silica, and other refractory materials. These materials can be dismantled and utilized again in the creation of fresh bricks or alternative refractory products. The recycling of used insulating fire bricks aids in the reduction of the need for fresh raw materials and the mitigation of waste. Nevertheless, it is crucial to acknowledge that not all recycling centers or facilities may accept insulating fire bricks. It is therefore advisable to verify with local recycling programs or specialized recycling companies that handle refractory materials.
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FIRE High Temperature Refractory Insulating Firebrick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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