Hot blast stove refractory brick

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Specifications

Fire brick
1.ISO 9001 approved,
2.With high quality and competitive price,
3.Standard and special shape.

Fire-clay refractory brick.
1. N-1
AL2O3 (%)>42
Refractoriness >1750
Refractoriness under load KD>1400
Permanent linear change onreheating
1500*2h
1450*2h
1400*2h:+0.1; -0.4
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>29.4

2. N-2a
AL2O3 (%)>40
Refractoriness >1730
Refractoriness under load KD>1350
Permanent linear change onreheating
1500*2h
1450*2h
1400*2h:+0.1; -0.5
Apparent Porosity(%)<24
Cold crushing strength (Mpa)>24.5

High-alumina refractory brick
1. LZ-75
AL2O3 (%)>75
Refractoriness>1790
Refractoriness under load KD>1520
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<23
Cold crushing strength (Mpa)>53.9

2. LZ-65
AL2O3 (%)>65
Refractoriness >1790
Refractoriness under load KD>1500
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<23
Cold crushing strength (Mpa)>49

3.LZ-55
AL2O3 (%)>55
Refractoriness >1770
Refractoriness under load KD>1470
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>44.1

4.LZ-48
AL2O3 (%)>48
Refractoriness >1750
Refractoriness under load KD>1420
Permanent linear change onreheating
1500*2h
1450*2h:+0.1; -0.4
1400*2h
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>39.2

Fire clay brick SK-32

Item

Standard

AI2O3(%)

30

Fe2O3 (%)

3.5

Refractoriness (SK)

32

Refractoriness under load,

0.2MPa, Ta, (°C)

1300

Porosity (%)

22-26

Bulk density (g/cm³)

2.05

Cold crushing strength (MPa)

25

Thermal expansion at 1000°C (%)

0.6

Fire clay brick SK-34

Item

Standard

AI2O3(%)

38

Fe2O3 (%)

2.5

Refractoriness (SK)

34

Refractoriness under load,

0.2MPa, Ta, (°C)

1350

Porosity (%)

19-23

Bulk density (g/cm³)

2.10-2.15

Cold crushing strength (MPa)

25

Thermal expansion at 1000°C (%)

0.6

Fire clay brick SK-36

Item

Standard

AI2O3(%)

50

Fe2O3 (%)

2

Refractoriness (SK)

36

Refractoriness under load,

0.2MPa, Ta, (°C)

1450

Porosity (%)

20-24

Bulk density (g/cm³)

2.30-2.40

Cold crushing strength (MPa)

45

Thermal expansion at 1000°C (%)

0.3


Q:
Yes, insulating fire bricks can be used in the construction of pottery kiln shelves. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them an ideal material for kiln shelves. They can help maintain consistent heat distribution and prevent thermal shock, which is important for firing pottery. Additionally, insulating fire bricks are lightweight and easy to handle, making them a practical choice for constructing kiln shelves.
Q:
Insulating fire bricks possess gas impermeability, as they are engineered with low porosity and high density. These bricks are crafted from superior refractory materials like clay or silica and undergo a unique manufacturing process that guarantees minimal pore size and compactness. Consequently, they excel at containing gases and averting leakage. Widely employed in high-temperature settings such as furnaces, kilns, and industrial boilers, insulating fire bricks play a critical role in ensuring efficient and safe operations by maintaining gas tightness.
Q:
Indeed, the utilization of insulating fire bricks is possible when constructing refractory linings. These bricks are explicitly engineered to possess exceptional thermal insulation characteristics, rendering them highly suitable for situations necessitating the containment of extreme temperatures. They are frequently employed in the establishment of furnaces, kilns, and other environments that experience elevated heat levels. The insulating attributes of these bricks aid in diminishing heat dissipation, enhancing energy efficiency, and upholding a consistent temperature within the refractory lining. Furthermore, insulating fire bricks are lightweight and effortless to manipulate, thereby constituting a pragmatic selection for the construction of refractory linings.
Q:
In certain applications, insulating fire bricks typically require special sealing or caulking. Despite their ability to withstand high temperatures and provide excellent thermal insulation, insulating fire bricks can still be vulnerable to moisture infiltration and atmospheric gases in specific environments. To address these risks, sealing or caulking is often necessary. To seal or caulk insulating fire bricks, specialized refractory materials or compounds that can withstand high temperatures and create an airtight barrier are used. This sealing process helps prevent moisture, gases, and other contaminants from compromising the insulating properties of the bricks. The specific sealing or caulking method depends on the application and type of insulating fire bricks being used. Common techniques include using high-temperature silicone sealants, refractory mortars, or coatings. These materials are specifically designed to endure the extreme temperatures found in high-heat environments. It is important to consult the manufacturer's guidelines or seek professional advice when determining the appropriate sealing or caulking method for insulating fire bricks. Proper sealing ensures the insulation's longevity, effectiveness, and overall performance and safety of the application.
Q:
Yes, insulating fire bricks can be used as a base material for casting refractory shapes. Insulating fire bricks have good thermal insulation properties and high temperature resistance, making them suitable for creating refractory shapes that can withstand extreme heat conditions.
Q:
Yes, insulating fire bricks have a high resistance to spalling.
Q:
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:
Yes, insulating fire bricks can be cut or shaped using common tools. These bricks are generally made from lightweight refractory materials such as clay and minerals, which make them easier to cut and shape compared to traditional fire bricks. Common tools like a handsaw, angle grinder, or even a chisel and hammer can be used to cut and shape the bricks according to the desired size and design. However, it is important to wear protective gear such as gloves, goggles, and a dust mask while working with insulating fire bricks to avoid any potential health hazards.
Q:Is the quality of brick made of small-sized self insulation block equipment the same as that of large block brick equipment?
Recently, a lot of people have encountered this problem, Silver Horse understand, in fact, the brick machine is only the production of different production, the quality of the bricks produced are the same.
Q:
Yes, insulating fire bricks can be used in the construction of lime calciners. Insulating fire bricks are known for their high heat resistance and low thermal conductivity, making them suitable for applications that require insulation and protection against extreme temperatures. In lime calciners, which are used to heat limestone to produce lime, the use of insulating fire bricks can help maintain the desired temperature inside the calciner while minimizing heat loss to the surroundings.

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