$Hot blast stove refractory brick System 1$
$Hot blast stove refractory brick System 2$
$Hot blast stove refractory brick System 3$

$Hot blast stove refractory brick$

$Hot blast stove refractory brick System 1$

$Hot blast stove refractory brick System 2$

$Hot blast stove refractory brick System 3$

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

$Hot blast stove refractory brick$

Q:Can insulating fire bricks be used in aluminum smelting furnaces?: Yes, insulating fire bricks can be used in aluminum smelting furnaces. These bricks have high insulating properties and can withstand the high temperatures required for aluminum smelting. They help to maintain the heat within the furnace, improve energy efficiency, and reduce heat loss, making them suitable for use in such furnaces.

Q:Are insulating fire bricks suitable for thermal insulation in boilers?: Yes, insulating fire bricks are suitable for thermal insulation in boilers. They have high thermal conductivity and can withstand high temperatures, making them an effective choice for insulating the walls and floors of boilers. Their ability to retain heat helps in improving energy efficiency and reducing heat loss, ultimately enhancing the overall performance of the boiler system.

Q:Are insulating fire bricks safe to use?: Insulating fire bricks are generally safe to use when used properly and in accordance with the manufacturer's instructions. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for applications such as lining kilns, furnaces, and fireplaces. Insulating fire bricks are made from lightweight materials such as alumina, silica, and other refractory materials. They are designed to minimize heat transfer, thus preventing the escape of heat from the enclosed area. This not only improves the energy efficiency of the system but also enhances safety by reducing the risk of overheating and potential fires. When using insulating fire bricks, it is essential to ensure that they are installed correctly and securely. Proper installation includes providing adequate support and reinforcement to prevent collapse or shifting of the bricks. Additionally, it is crucial to use appropriate mortar or refractory cement to join the bricks together, ensuring a strong and stable structure. While insulating fire bricks themselves are considered safe, it is important to note that they may contain small amounts of trace elements or materials that can be harmful if released into the environment. Therefore, it is recommended to follow the manufacturer's safety guidelines, such as wearing gloves, goggles, and a dust mask when handling the bricks. Overall, insulating fire bricks are a safe and reliable choice for insulation in high-temperature applications. However, it is important to take necessary precautions during installation and follow safety guidelines to ensure their proper and safe use.

Q:Is it possible to repair damaged insulating fire bricks?: Repairing damaged insulating fire bricks is indeed possible, and the method required will depend on the extent and type of damage. For minor cracks or chips, one can utilize a refractory mortar that is specifically designed to endure high temperatures and create a strong bond. This mortar can effectively fill in the gaps and restore the brick's integrity. However, if a larger section of the brick is damaged or completely missing, it may be necessary to replace the entire brick. In such a scenario, the damaged brick must be cautiously removed, and a new one can be installed with the appropriate refractory mortar. It is crucial to ensure that the repaired or replaced brick adheres to the original specifications and quality to guarantee proper insulation and structural integrity. It is highly recommended to seek advice from a professional or carefully follow the manufacturer's guidelines for the specific repair process.

Q:Do insulating fire bricks have a high heat storage capacity?: Yes, insulating fire bricks have a high heat storage capacity. Insulating fire bricks are specifically designed to have low thermal conductivity, which means they are able to retain heat for longer periods of time. This makes them ideal for applications where heat storage is necessary, such as in furnaces, kilns, and other high-temperature environments. The high heat storage capacity of insulating fire bricks allows for efficient heat retention and distribution, ultimately improving energy efficiency and reducing heat loss.

Q:Can insulating fire bricks be used in the construction of combustion flues?: Insulating fire bricks are indeed suitable for the construction of combustion flues. Their high temperature resistance makes them perfect for environments that require heat resistance. Combustion flues face extreme heat and gases produced during combustion, but insulating fire bricks can safeguard the flue structure from intense heat and prevent heat loss. Furthermore, these bricks have low thermal conductivity, which effectively insulates and retains heat within the flue. As a result, the combustion process becomes more efficient, reducing energy waste. Ultimately, incorporating insulating fire bricks into the construction of combustion flues can enhance the safety, efficiency, and durability of the flue system.

Q:Can insulating fire bricks be used in the construction of flue gas ducts?: Insulating fire bricks have the capability to be utilized in the construction of flue gas ducts. These bricks are specifically engineered to endure high temperatures and offer exceptional thermal insulation. This makes them an apt choice for lining flue gas ducts as they aid in reducing heat loss and enhancing energy efficiency. Moreover, insulating fire bricks exhibit resistance to chemical corrosion and can withstand the harmful impacts of flue gases. Nevertheless, it is crucial to guarantee that the insulating fire bricks employed are specifically designed for flue gas duct applications and fulfill the required safety and regulatory standards. Seeking advice from a professional engineer or a specialist in this field is advised to ensure the accurate selection and installation of insulating fire bricks in flue gas ducts.

Q:Are insulating fire bricks resistant to corrosion?: In general, insulating fire bricks exhibit resistance to corrosion. They are composed of high-temperature materials like alumina, silica, and other refractory substances, which grant them exceptional protection against chemical corrosion. These bricks have been specifically engineered to endure elevated temperatures and harsh surroundings, rendering them highly impervious to corrosion caused by acids, alkalis, and other corrosive agents. Nonetheless, it is crucial to acknowledge that the degree of corrosion resistance can vary depending on the precise composition and manufacturing process of the insulating fire brick. Thus, it is recommended to consult the manufacturer or supplier for detailed information regarding the corrosion resistance of a specific insulating fire brick.

Q:Are insulating fire bricks resistant to alkali vapor attack?: Yes, insulating fire bricks are generally resistant to alkali vapor attack. These bricks are made using high-quality refractory materials, such as fire clay or silica, which have excellent resistance to chemical attacks, including alkali vapor. They are designed to withstand high temperatures and harsh environments, making them suitable for applications where alkali vapor may be present, such as in industrial furnaces, kilns, and incinerators. However, the exact resistance may vary depending on the specific composition and manufacturing process of the insulating fire bricks. It is always recommended to consult the manufacturer's specifications or seek expert advice to ensure their compatibility with alkali vapor exposure.

Q:Can insulating fire bricks be used in the construction of fireplaces?: Yes, insulating fire bricks can be used in the construction of fireplaces. These types of bricks are designed to withstand high temperatures and provide insulation, making them ideal for lining the interior of fireplaces. They help to retain heat, improve energy efficiency, and protect the surrounding materials from excessive heat.

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