High-Aluminum Low-Iron Insulating Fire Brick

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications

High aluminum refractory brick belongs to gender refractory materials with its thermal stability.

Feature:

1.bricks are made from high quality bauxite
2.dry pressed
3.burned under tunnel kiln
4.accurate dimension
5.high strength

Product specification: Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.

Item		Properties
Item		LZ-80	LZ-75	LZ-65	LZ-55	LZ-48
Al₂O₃ ,%		80	≥75	≥65	≥55	≥48
Refractoriness °C		≥1790	≥1790	≥1790	≥1770	≥1750
Bulk density,g/cm³		2.65	2.5	2.45	2.4	2.3
Softening temperature under load		1530	≥1520	≥1500	≥1470	≥1420
Permanent linear change,%	1500°CX2H	+0.1 -0.4	+0.1 -0.4	+0.1 -0.4	+0.1 -0.4
Permanent linear change,%	1450°CX2H					+0.1 -0.4
Apparent porosity,%		22	≤23	≤23	≤22	≤22
Cold Crushing strength Mpa		55	≥50	≥45	≥40	≥35
Application		All industrial furnace

Q: Can insulating fire bricks be used for insulation in incinerators?: Yes, insulating fire bricks can be used for insulation in incinerators. Insulating fire bricks are made from lightweight refractory materials and have high insulating properties, making them ideal for applications that require heat containment and energy efficiency, such as incinerators. These bricks have low thermal conductivity, which means they can effectively trap and retain heat within the incinerator, preventing it from escaping and improving the overall efficiency of the incineration process. Additionally, insulating fire bricks are resistant to high temperatures and can withstand the harsh conditions typically found in incinerators, making them a reliable choice for insulation purposes.

Q: Can insulating fire bricks be used for insulation in solar thermal systems?: Yes, insulating fire bricks can be used for insulation in solar thermal systems. Insulating fire bricks are specially designed to have low thermal conductivity, which means they can effectively trap and retain heat. This makes them suitable for insulating the components of a solar thermal system, such as the solar collector and the storage tank, to minimize heat loss and increase the overall efficiency of the system. Additionally, insulating fire bricks are able to withstand high temperatures, which is crucial in solar thermal systems where temperatures can reach extremes. Overall, using insulating fire bricks for insulation in solar thermal systems can help improve their performance and reduce energy loss.

Q: How long do insulating fire bricks last?: Insulating fire bricks have been designed to endure high temperatures and offer exceptional insulation properties. The duration of their lifespan can differ based on various factors, such as the quality of the bricks, the temperature they encounter, and the level of maintenance they receive. Typically, insulating fire bricks can endure for numerous years, commonly ranging from 10 to 20 years or even more. Nevertheless, it is crucial to acknowledge that their lifespan may be notably shortened if they are frequently exposed to extreme temperatures or thermal shock. The lifespan of insulating fire bricks can be prolonged through regular maintenance and appropriate usage. This encompasses periodic cleansing to eliminate any debris or accumulation that could impact their performance. Additionally, it is vital to avoid abrupt temperature fluctuations or excessive stress on the bricks, as this can result in cracking or damage. In conclusion, the longevity of insulating fire bricks can vary. However, by practicing proper care and maintenance, they can offer dependable insulation for numerous years in high-temperature scenarios.

Q: Can insulating fire bricks be used in the construction of smelting ovens?: Indeed, the utilization of insulating fire bricks in the construction of smelting ovens is indeed possible. These fire bricks are specifically engineered to possess a low thermal conductivity, enabling them to effectively retain heat. This particular characteristic renders them particularly well-suited for applications requiring the consistent maintenance of high temperatures, such as smelting ovens. Smelting ovens serve the purpose of melting and refining various metals and minerals. These procedures entail the utilization of exceedingly high temperatures, making it crucial to minimize heat dissipation in order to ensure efficient and effective smelting. By providing exceptional insulation and reducing heat dissipation, insulating fire bricks can contribute to the achievement of this objective. Insulating fire bricks are manufactured using lightweight materials, including ceramic fibers or expanded clay, which are renowned for their superior insulating properties. These fire bricks are capable of withstanding temperatures of up to 3000°F (1650°C), rendering them suitable for the intense heat generated within smelting ovens. Moreover, insulating fire bricks demonstrate resistance against thermal shock, enabling them to endure rapid temperature fluctuations without suffering from cracks or breakages. This quality is of utmost importance in smelting processes, which frequently involve cycles of heating and cooling. Furthermore, insulating fire bricks are highly malleable and can be easily cut or shaped to accommodate specific dimensions or designs. This inherent flexibility renders them highly adaptable for the construction of smelting ovens of varying shapes and sizes. To summarize, the implementation of insulating fire bricks in the construction of smelting ovens is an exceptional choice due to their low thermal conductivity, high resistance to extreme temperatures, ability to withstand thermal shock, and ease of customization. These fire bricks effectively maintain high temperatures, minimize heat dissipation, and ensure the efficiency of smelting processes.

Q: Can insulating fire bricks be used in carbon black reactors?: Yes, insulating fire bricks can be used in carbon black reactors. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, which makes them suitable for use in carbon black reactors that operate at extreme temperatures.

Q: What are the main uses of insulating fire bricks?: Insulating fire bricks, also known as IFBs, are primarily used in high-temperature applications where thermal insulation and heat resistance are required. These bricks are made from lightweight materials, such as clay, silica, and alumina, and are designed to withstand extreme temperatures. One of the main uses of insulating fire bricks is in the construction of kilns and furnaces. These bricks are used to line the walls, floors, and roofs of these high-temperature devices, providing insulation to prevent heat loss and improve energy efficiency. The insulating properties of IFBs help to maintain a consistent and controlled temperature inside the kilns and furnaces, allowing for more efficient heating and cooling processes. Insulating fire bricks are also commonly used in the construction of chimneys and flues. These bricks are resistant to the corrosive effects of flue gases and can withstand the high temperatures generated by the combustion process. The insulation provided by IFBs helps to prevent heat transfer to the surrounding structures, reducing the risk of fire and ensuring the safety of the chimney or flue. Additionally, insulating fire bricks find applications in the manufacturing of fireplaces, pizza ovens, and other outdoor cooking equipment. These bricks help to retain heat within the cooking chamber, allowing for even cooking and reducing fuel consumption. The insulating properties of IFBs also prevent the outer surfaces of these devices from becoming too hot, reducing the risk of accidental burns. Overall, the main uses of insulating fire bricks revolve around their ability to provide thermal insulation and heat resistance in high-temperature environments. Whether in kilns, furnaces, chimneys, or cooking equipment, these bricks play a crucial role in maintaining efficient heating processes, ensuring safety, and conserving energy.

Q: Can insulating fire bricks be used for insulation in heat recovery systems?: Yes, insulating fire bricks can be used for insulation in heat recovery systems. Insulating fire bricks are specifically designed to withstand high temperatures and provide effective thermal insulation. They have low thermal conductivity, which means they can minimize heat loss and maximize heat recovery in a system. These bricks are often used in various industrial applications such as kilns, furnaces, and ovens, where temperature control and energy efficiency are important. Therefore, they can be a suitable choice for insulating heat recovery systems, helping to optimize the recovery and utilization of waste heat.

Q: Can insulating fire bricks be used in reheating furnaces?: Yes, insulating fire bricks can be used in reheating furnaces. They are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in heating and reheating applications.

Q: Can insulating fire bricks be used in the construction of lime calciners?: Indeed, the utilization of insulating fire bricks is feasible when constructing lime calciners. Lime calciners necessitate elevated temperatures for lime production, and insulating fire bricks are specifically engineered to endure and preserve heat. These bricks possess a reduced thermal conductivity, which effectively insulates the calciner and impedes heat dissipation. Furthermore, insulating fire bricks are lightweight, facilitating their handling and installation during the lime calciners' construction process.

Q: Do insulating fire bricks have a high electrical resistivity?: Yes, insulating fire bricks typically have a high electrical resistivity. The high resistivity of these bricks helps to prevent the flow of electric current, making them suitable for insulation purposes in various applications.

Send your message to us

*Email

*TEL

*Quantity

*Unit