Alumuna Hollow Ball Insulating Fire Brick

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Specifications

1. High temperature resistance.
2. Good thermal insulation.
3. Professional manufacturer.

Alumina hollow ball brick, Alumina bubble brick , Alumina hollow sphere brick , Hollow alumina sphere bricks

Alumina hollow ball brick used the alumina hollow ball,corundum powder,and calcined powders mixed at definite proportion as raw material. After mixing, drying, forming, firing at high temperature shuttle kiln made.

Physical and chemical index:

Item	ZYL-84	ZYL-90	ZYA-1.2	ZYA-1.5	ZYA-1.7
Al₂O₃ % ≥	84	90	98.5	98.5	98.5
Fe₂O₃ % ≤	0.8	0.5	0.3	0.3	0.3
SiO₂ % ≤	15	9	1.0	1.0	1.0
Bulk density, g/m3,≤	1.5	1.5	1.2	1.5	1.7
Porosity,%, ≥	58	60	62	60	58
CCS,Mpa, ≥	16	15	3	12	15
Thermal conductivity, 1000°C,( W/m.k )≤	1.2	1.15	0.95	1.05	1.15
0.1Mpa RUL,°C ≥	1650	1700	1700	1700	1700
Refractoriness,°C ≥	1800	1800	1800	1800	1800

Characteristic:

1. High temperature resistance.

2. Low thermal conductivity.

3. Good thermal insulation.

4. High strength.

5. Can direct contact with flame.

6. Good chemical stability (acid-base erosion resistance ).

7. Low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .

Q: Do insulating fire bricks require any special storage conditions?: Insulating fire bricks do not require any special storage conditions. These bricks are designed to withstand high temperatures and are typically made from materials such as clay or silica that are resistant to heat. However, it is always recommended to store insulating fire bricks in a dry and covered area to prevent any moisture absorption or damage. Additionally, it is important to handle these bricks with care to avoid any breakages or cracks that may affect their insulation properties. Overall, as long as the bricks are stored in a dry and protected environment, there are no specific special storage conditions required for insulating fire bricks.

Q: Can insulating fire bricks be used as a refractory lining material?: Insulating fire bricks can indeed serve as a refractory lining material. Their purpose is to effectively insulate against heat transfer by having low thermal conductivity. This quality makes them suitable for applications that necessitate the maintenance or control of high temperatures, such as kilns, furnaces, and industrial ovens. High-temperature environments require refractory lining materials to safeguard their structure against the intense heat generated within. These materials must withstand thermal shocks, chemical reactions, and mechanical stresses that occur during operation. Insulating fire bricks are a prime choice for refractory lining applications due to their exceptional thermal insulation properties and high temperature resistance. In addition to being excellent insulators, insulating fire bricks have the added benefit of low density, making them lightweight and easy to handle and install. This advantage proves useful in applications where weight is a concern or where frequent replacement or repair of refractory linings is necessary. It is important to acknowledge that the specific type and composition of insulating fire bricks may vary, and different applications may require different properties. Therefore, it is vital to consult with a refractory engineer or supplier to guarantee that the chosen insulating fire bricks are appropriate for the specific requirements of the application.

Q: Can insulating fire bricks be used in the construction of steam generators?: Yes, insulating fire bricks can be used in the construction of steam generators. Insulating fire bricks are designed to have excellent thermal insulation properties, which make them ideal for applications where high temperatures and thermal stability are required. Steam generators operate at high temperatures and require efficient heat transfer, which means that insulation is essential to prevent heat loss and increase energy efficiency. Insulating fire bricks can withstand extreme temperatures and provide effective insulation, reducing heat losses and improving the overall efficiency of steam generators. Additionally, their lightweight nature makes them easy to handle and install in the construction process. Therefore, insulating fire bricks are a suitable choice for the construction of steam generators.

Q: What is the water absorption of insulating fire bricks?: Insulating fire bricks possess the capacity to absorb water when submerged or in contact with it. This characteristic holds significance when employing these bricks in situations involving exposure to moisture or water. Typically, insulating fire bricks exhibit a low water absorption rate, varying between 2% and 8% depending on their specific type and composition. The bricks' dense and compact structure restricts the infiltration and absorption of water molecules, thus accounting for this low water absorption. The advantage of insulating fire bricks' low water absorption manifests in various applications. Firstly, it prevents moisture from permeating the bricks and causing damage or deterioration. Secondly, it ensures that the bricks do not retain excessive moisture, which could lead to increased weight, diminished insulation properties, or even the formation of cracks or fractures when subjected to high temperatures. Due to their low water absorption, insulating fire bricks manage to retain their structural integrity and insulation performance even in wet or humid environments. This quality makes them suitable for deployment across a diverse range of industries and applications, including kilns, furnaces, ovens, and other high-temperature processes that necessitate resistance to moisture. In summary, the water absorption of insulating fire bricks constitutes a vital characteristic that contributes to their durability, thermal insulation properties, and ability to withstand moisture-related challenges.

Q: Are insulating fire bricks suitable for thermal insulation in boilers?: Insulating fire bricks prove to be a suitable option for thermal insulation in boilers. They are specifically engineered to possess exceptional insulating abilities, enabling them to efficiently diminish heat transfer in environments with high temperatures, like boilers. These bricks are crafted from lightweight materials and possess a low thermal conductivity, thus rendering them highly suitable for applications related to thermal insulation. By incorporating insulating fire bricks in boilers, energy efficiency can be enhanced by minimizing heat loss and ensuring optimal utilization of the boiler-generated heat. Moreover, these bricks exhibit remarkable resistance to elevated temperatures and can endure the harsh conditions prevalent within a boiler, thereby establishing themselves as a dependable choice for thermal insulation.

Q: Can insulating fire bricks be used as insulation for pizza ovens?: Indeed, insulation for pizza ovens can be achieved by utilizing insulating fire bricks. Designed to endure high temperatures and offer remarkable thermal insulation, these bricks possess a low thermal conductivity property, enabling them to efficiently retain heat and inhibit its escape from the oven. Consequently, this aids in upholding a steady and elevated temperature within the pizza oven, facilitating even cooking and achieving crispy crusts. Furthermore, insulating fire bricks are lightweight and simple to install, rendering them a favored option for insulating pizza ovens.

Q: Are insulating fire bricks resistant to high-velocity gases?: Yes, insulating fire bricks are generally resistant to high-velocity gases. Insulating fire bricks are designed to have high thermal resistance and low thermal conductivity, which makes them ideal for applications where they are exposed to high temperatures and gases. They are able to withstand the impact and velocity of gases without getting damaged or compromised. Insulating fire bricks are commonly used in industrial furnaces, kilns, and other high-temperature environments where they need to provide insulation and protection against high-velocity gases.

Q: Can insulating fire bricks be used in the construction of glass bottle production furnaces?: Yes, insulating fire bricks can be used in the construction of glass bottle production furnaces. Insulating fire bricks have high thermal resistance and low thermal conductivity, making them ideal for use in furnaces where high temperatures need to be maintained. Additionally, they help to reduce heat loss, improve energy efficiency, and provide insulation against heat transfer, which is crucial in glass bottle production.

Q: Can insulating fire bricks be used in refractory coatings?: Yes, insulating fire bricks can be used in refractory coatings. Insulating fire bricks are designed to have low thermal conductivity, which makes them effective for insulating applications. When used in refractory coatings, they can help to reduce heat loss and increase energy efficiency. Additionally, insulating fire bricks are capable of withstanding high temperatures, making them suitable for use in refractory coatings that are exposed to intense heat. However, it is important to consider the specific requirements and properties of the refractory coating, as well as the intended application, to ensure that insulating fire bricks are the most suitable choice.

Q: Can insulating fire bricks be used as a lining for chimneys?: Yes, insulating fire bricks can be used as a lining for chimneys. These bricks are designed to withstand high temperatures and provide insulation, making them suitable for lining chimneys and protecting them from heat damage.

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