• Refractory Brick  with good quality System 1
  • Refractory Brick  with good quality System 2
Refractory Brick  with good quality

Refractory Brick with good quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
100 m.t./month

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Quick Details

Place of Origin:

(Mainland)

Shape:

Brick

Material:

Alumina Block

SiO2 Content (%):

55-15%

Al2O3 Content (%):

35-75%

MgO Content (%):

0.1%

CaO Content (%):

0.1%

Refractoriness (Degree):

1770°< Refractoriness< 2000°

CrO Content (%):

0.1%

SiC Content (%):

0.1%

Model Number:

230*114*65

Brand Name:


color:

yellow

Bulk density:

2.1g/cm3



Packaging & Delivery

Packaging Detail:wooden pallet packing
Delivery Detail:within 20 days

 

Product Description

Refractory brick

1) Good thermal shock resistance 
2) High-temperature endurable 
3) Good thermal insulation 

4)the using tempreture is 1450 C

Physiochemical index

Item

Fireclay brick

High Alumina Brick

SK32

SK34

SK35

SK36

SK37

SK38

Al2O3  (%)  ≥

35

42

48

55

65

75

Refractoriness (oC) ≥

1670

1730

1750

1770

1790

1790

Refractoriness under Load, oC,0.2MPa ≥

1250

1300

1420

1470

1500

1520

Linear Change(%),oC×2h

1350

1350

1450

1500

1500

1500

-0.5~0

-0.5~0

-0.4~+0.1

-0.4~+0.1

-0.4~+0.1

-0.4~+0.1

Porosity (%)≤

24

22

20

20

19

19

Cold Crushing Strength, MPa≥

20

30

39.2

44.1

49

53.9

 


Q:Can insulating fire bricks be used in high-velocity gas flow applications?
Yes, insulating fire bricks can be used in high-velocity gas flow applications. Insulating fire bricks are designed to have excellent thermal insulation properties, low thermal conductivity, and high resistance to temperature fluctuations. These characteristics make them suitable for various high-temperature applications, including high-velocity gas flow environments. When exposed to high-velocity gas flow, insulating fire bricks can maintain their structural integrity and insulation properties, providing effective thermal insulation and protection. They are often used in applications such as kilns, furnaces, boilers, and other industrial equipment where high-velocity gas flow is present. However, it is important to consider the specific requirements and characteristics of the gas flow in the application. Factors such as temperature, pressure, and chemical composition of the gas should be taken into account to ensure that the insulating fire bricks are compatible and can withstand the conditions. In summary, insulating fire bricks can be used in high-velocity gas flow applications due to their thermal insulation properties and resistance to temperature fluctuations. However, it is crucial to consider the specific requirements and characteristics of the gas flow to ensure proper compatibility and performance.
Q:Are insulating fire bricks suitable for insulation in petrochemical plants?
Yes, insulating fire bricks are suitable for insulation in petrochemical plants. These bricks are made from lightweight refractory materials and have excellent thermal insulation properties. They can withstand high temperatures and provide insulation against heat transfer, making them ideal for use in petrochemical plants where insulation is crucial for safety and energy efficiency.
Q:Can insulating fire bricks be used in combination with other insulation materials?
Yes, insulating fire bricks can be used in combination with other insulation materials. Insulating fire bricks are known for their excellent thermal insulation properties and can be used to effectively reduce heat transfer in various applications such as kilns, furnaces, and fireplaces. However, in some cases, additional insulation may be required to achieve optimal thermal efficiency. Combining insulating fire bricks with other insulation materials can further enhance the overall insulation performance. For example, ceramic fiber blankets or boards can be used alongside insulating fire bricks to provide additional insulation and to fill any gaps or joints between the bricks. This combination can help minimize heat loss and improve energy efficiency. Furthermore, using multiple insulation materials can also provide other benefits such as increased fire resistance, improved sound insulation, and enhanced structural integrity. By utilizing different insulation materials in combination, it is possible to create a more effective insulation system that meets specific requirements for different applications. It is important to consider the compatibility and compatibility of the different insulation materials when combining them. Each material may have different thermal properties, density, and installation requirements, so it is crucial to follow the manufacturer's recommendations and guidelines for proper installation. In summary, insulating fire bricks can be used in combination with other insulation materials to enhance thermal insulation and improve overall performance in various applications. However, it is essential to ensure compatibility and follow proper installation guidelines for optimal results.
Q:Can insulating fire bricks be used in the construction of industrial boilers?
Industrial boilers can utilize insulating fire bricks for their construction. These bricks are specially designed with low thermal conductivity, making them ideal for retaining heat in high-temperature applications. In the case of industrial boilers, insulating fire bricks can be used to line the combustion chamber and other areas that require insulation. The use of insulating fire bricks in industrial boilers offers several advantages. Firstly, their low thermal conductivity helps reduce heat loss, thereby improving the overall energy efficiency of the boiler. This can lead to significant cost savings in the long run. Additionally, these bricks have a high resistance to thermal shock, making them capable of withstanding frequent temperature fluctuations without cracking or breaking. This is particularly important in boiler applications where temperatures can change rapidly. Moreover, insulating fire bricks are lightweight and easy to install, making them a convenient choice for construction projects. They can be shaped and cut to fit the specific requirements of the boiler, allowing for a precise and efficient installation process. In summary, the use of insulating fire bricks in the construction of industrial boilers is a suitable choice due to their excellent thermal insulation properties, resistance to thermal shock, and ease of installation.
Q:Can insulating fire bricks be used in thermal power plants?
Yes, insulating fire bricks can be used in thermal power plants. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in power plants where heat is generated and thermal efficiency is crucial. They help to reduce heat loss, improve energy efficiency, and maintain a stable and controlled environment within the power plant.
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 in ceramic fiber blankets?
It is not possible to use insulating fire bricks in ceramic fiber blankets. Insulating fire bricks are dense and solid, specifically designed to offer insulation and endure high temperatures in settings like furnaces and kilns. Conversely, ceramic fiber blankets are flexible and lightweight, consisting of ceramic fibers that provide exceptional thermal insulation. They are frequently utilized as insulation in diverse industrial applications, such as lining for furnaces, boilers, and high-temperature equipment. Combining insulating fire bricks with ceramic fiber blankets would not yield effective results because these materials possess distinct properties and serve different purposes.
Q:Can insulating fire bricks be used in tundish linings?
Yes, insulating fire bricks can be used in tundish linings. Insulating fire bricks are made from lightweight refractory materials that have excellent insulating properties. Tundish linings are typically exposed to high temperatures and thermal shocks, which can lead to rapid wear and tear. By using insulating fire bricks, the tundish lining can be protected from excessive heat and thermal stresses. These bricks have low thermal conductivity, which helps to minimize heat loss and maintain a stable temperature inside the tundish. Additionally, insulating fire bricks have good mechanical strength and can withstand the mechanical stresses typically experienced in tundish operations. Overall, using insulating fire bricks in tundish linings can help to improve thermal efficiency, reduce energy consumption, and extend the service life of the tundish.
Q:Can insulating fire bricks be used for insulation in heat exchangers?
Yes, insulating fire bricks can be used for insulation in heat exchangers. Insulating fire bricks are made from a lightweight refractory material that has excellent thermal insulation properties. They have low thermal conductivity, which means they can effectively reduce heat transfer from one side of the heat exchanger to the other. This helps to maintain the desired temperature within the heat exchanger and prevents heat loss to the surroundings. Additionally, insulating fire bricks are resistant to high temperatures and can withstand thermal shocks, making them suitable for the harsh conditions often found in heat exchangers. Overall, using insulating fire bricks for insulation in heat exchangers can improve energy efficiency, reduce heat loss, and enhance the overall performance of the system.
Q:Can insulating fire bricks be used in ladle covers?
Insulating fire bricks can indeed be used in ladle covers. These bricks are specially designed to have low thermal conductivity, which means they can effectively insulate and retain heat. Ladle covers are used in foundries and other high-temperature industries to keep molten metal or other materials hot and prevent heat loss. By using insulating fire bricks in ladle covers, the heat is better retained, resulting in improved energy efficiency and reduced fuel consumption. Additionally, these bricks have high refractory properties, allowing them to withstand the extreme temperatures and thermal shock that ladles are subjected to. Overall, insulating fire bricks are an excellent choice for ladle covers, as they help to maintain temperature stability and conserve heat.

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