$Insulating Fire Brick for Ladle High Temperature Refractory Brick System 1$

$Insulating Fire Brick for Ladle High Temperature Refractory Brick$

$Insulating Fire Brick for Ladle High Temperature Refractory Brick System 1$

Insulating Fire Brick for Ladle High Temperature Refractory Brick

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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 (%):	60-20%	Al2O3 Content (%):	40-80%	MgO Content (%):	0
CaO Content (%):	0	Refractoriness (Degree):	1770°< Refractoriness< 2000°	CrO Content (%):	0
SiC Content (%):	0	Model Number:	69022000	Brand Name:

Packaging & Delivery

Packaging Detail:	wooden pallet
Delivery Detail:	30days

Specifications

Refractory bricks for ladle, hot blast furnace
High alumina bricks
Fireclay bricks
Insulating bricks
Runner bricks

Our company located in yangquan city,Shanxi province, China, and Yanquan city is one of the
largest refractory material base in China. We are in position to supply various kinds of
refractory bricks, such as high alumina and fireclay bricks, insulating bricks etc
with the catalogue as follows:

1. fireclay brick
2. high alumina brick
3. insulating brick
4. unsintered phosphate brick
5. Al-C sliding plate
6. nozzle
7. hollowwares
8. refractory Mortar
9. refractory castables
10.other refractory material

If interested, pls do feel free to contact me.
Production can be arranged according to your specific requirements & drawings.

Looking forward to hearing from you the soonest.

FIRECLAY BRICK FOR GENERAL USE

Y-FB GFB40 GFB42 GFB45
Al2O3(%)min. 40 40 42 45
Fe2O3(%)max. 2.5
Refractoriness()min. 1710 1730 1750 1750
Refractoriness under load 0.2MPa()min. 1300 1350 1400 1400
Apparent porosity(%)max. 22 20 20 20
Cold crushing strength (MPa)min. 30 30 35 40
Linear change after reheating(%)max. At 1350×2h +0.1 -0.4 At 1400×3h +0.1 +0.1 +0.2 -0.5 -0.4 -0.2

Y-FB GFB40 GFB42 GFB45

Al2O3(%)min. 40 40 42 45

Fe2O3(%)max. 2.5

Refractoriness()min. 1710 1730 1750 1750

Refractoriness under load 0.2MPa()min. 1300 1350 1400 1400

Apparent porosity(%)max. 22 20 20 20

Cold crushing strength (MPa)min. 30 30 35 40

Linear change after reheating(%)max.

At 1350×2h +0.1

-0.4

At 1400×3h +0.1 +0.1 +0.2

-0.5 -0.4 -0.2

Refractory Bricks

item	SK-32	SK-34	SK-36	SK-37	SK-38
Al2O3(%)	38	42	50	65	70
Fe2O3 (%)	3	2.5	2.5	2.4	2
Refractoriness (SK)	32 (1710°C)	34 (1750°C)	36 (1790°C)	37 (1825°C)	38 (1850°C)
Refractoriness under load, 0.2MPa, Ta, (°C)	1300	1350	1450	1550	1580
Porosity (%)	26	25	24	23	23
Bulk density (g/cm³)	2.05	2.1-2.15	2.3-2.4	2.4	2.5
Cold crushing strength (MPa)	25	25	45	45	51

Q:Can insulating fire bricks be used in the construction of smelters or foundries?: Yes, insulating fire bricks can be used in the construction of smelters or foundries. Insulating fire bricks have excellent thermal insulation properties and can withstand high temperatures, making them suitable for lining the walls and floors of smelters or foundries. They help to retain heat, improve energy efficiency, and protect the surrounding structures from extreme temperatures.

Q:What is the typical lifespan of an insulating fire brick?: The typical lifespan of an insulating fire brick can vary depending on various factors such as the quality of the brick, the temperature it is exposed to, and the frequency of thermal cycling. However, on average, insulating fire bricks can last anywhere from 5 to 20 years.

Q:Can insulating fire bricks be used in hydrogen furnaces?: Insulating fire bricks can be used in hydrogen furnaces, but it is important to note that not all types of insulating fire bricks are suitable for this application. Hydrogen is a highly reactive gas and can cause certain materials to degrade or react, leading to safety concerns and potential damage to the furnace. When selecting insulating fire bricks for use in hydrogen furnaces, it is crucial to choose bricks that are specifically designed for high-temperature and corrosive environments. These bricks should be made from materials that are resistant to hydrogen embrittlement and have low reactivity with hydrogen. Silicon carbide (SiC) and alumina-silica (Al2O3-SiO2) are commonly used materials for insulating fire bricks in hydrogen furnaces. These materials have good resistance to high temperatures and are chemically stable in the presence of hydrogen. It is also important to consider the density and porosity of the insulating fire bricks. Low-density bricks with high porosity are preferred for hydrogen furnaces as they provide better thermal insulation and reduce the risk of hydrogen leakage. Overall, while insulating fire bricks can be used in hydrogen furnaces, it is crucial to select the appropriate type of bricks that are specifically designed for high-temperature and corrosive environments, and have good resistance to hydrogen embrittlement and reactivity. Consulting with experts in the field and following the manufacturer's guidelines is highly recommended to ensure the safe and efficient operation of the hydrogen furnace.

Q:Why does the water drop first and then rise when the boiler fires?: This is the reason for the zero water level gauge line below the center line of the drum. Under normal conditions for water and evaporation is balanced, after the fire, reduce the amount of steam water mixture into the drum in the evaporation decreased rapidly, reduce the volume of water bubbles, sudden contraction, drum water level decreased rapidly. But not to water change or increase (automatic), water balance is broken, the water level will rise rapidly.

Q:Can insulating fire bricks be used in high-temperature insulation applications?: Yes, insulating fire bricks can be used in high-temperature insulation applications. Insulating fire bricks are designed to withstand and retain heat at elevated temperatures. They have low thermal conductivity and high insulation properties, making them ideal for use in applications where high temperatures need to be contained and insulated. These bricks are commonly used in industries such as steel, glass, and ceramics, as well as in furnaces, kilns, and other high-temperature equipment. Insulating fire bricks provide a reliable and efficient solution for insulation in high-temperature environments, helping to maintain heat and reduce energy loss.

Q:Can insulating fire bricks be used for soundproofing?: Insulating fire bricks are primarily designed for high-temperature applications, such as lining kilns and furnaces, due to their ability to withstand extreme heat. While they do offer some level of sound insulation due to their dense composition, they are not specifically designed or recommended for soundproofing purposes. Insulating fire bricks are more effective at blocking heat transfer than sound transmission. For soundproofing purposes, other materials specifically engineered for acoustic insulation, such as mineral wool, fiberglass, or foam panels, are typically used. These materials are designed to absorb and dampen sound waves, providing better soundproofing results. Therefore, if your goal is to soundproof a space, it is recommended to use materials specifically designed for that purpose rather than relying on insulating fire bricks.

Q:How do insulating fire bricks prevent heat loss?: Insulating fire bricks are specifically designed to prevent heat loss in a variety of applications. These bricks are made from refractory materials that have excellent thermal insulation properties. They contain small air pockets within their structure that help to minimize heat transfer through conduction and convection. One way insulating fire bricks prevent heat loss is through their low thermal conductivity. These bricks have a significantly lower thermal conductivity compared to other materials, meaning they are not as efficient in transferring heat. This property allows them to act as a barrier, preventing the transfer of heat from one side of the brick to the other. Additionally, the small air pockets within the bricks create a thermal barrier. Air is a poor conductor of heat, so these air pockets effectively trap heat within the brick and prevent it from escaping. This insulation property helps to retain heat within the desired area, reducing heat loss and improving energy efficiency. Furthermore, insulating fire bricks can also prevent heat loss through their ability to reflect heat. These bricks have a high emissivity, meaning they can reflect a significant amount of the heat back into the desired space. This reflection helps to maintain a higher temperature within the area and prevents heat from escaping. In summary, insulating fire bricks prevent heat loss by reducing conduction and convection through their low thermal conductivity, trapping heat within small air pockets, and reflecting heat back into the desired space. These bricks are essential in various applications where heat retention is crucial, such as in kilns, furnaces, and other high-temperature environments.

Q:What is the thermal insulation performance of aerated bricks?: Aerated brick light weight, heat preservation, heat insulation, sound insulation, easy processing, using a variety of hybrid material production, rich production of raw materials, especially the use of fly ash, and comprehensive utilization of industrial waste, environmental pollution, saving farmland, have a good social and economic benefits, is an alternative to the traditional solid clay brick ideal wall materials. Gongyi Machinery Factory is specialized in producing aerated brick equipment manufacturers.

Q:Are insulating fire bricks resistant to alkali-silica reaction?: Insulating fire bricks (IFBs) are not inherently resistant to alkali-silica reaction (ASR). ASR is a chemical reaction that occurs between the alkalis from cement and reactive forms of silica present in aggregates, which can lead to the formation of a gel that expands and causes cracking in concrete structures. While IFBs are generally made from refractory materials that are designed to withstand high temperatures and thermal shock, they do not have specific properties to resist ASR. The resistance to ASR depends on the composition and characteristics of the specific refractory material used in the IFB. If the refractory material used in the IFB contains reactive forms of silica, such as quartz or cristobalite, and there is exposure to alkalis, there is a possibility of ASR occurring. However, if the refractory material is low in reactive silica content or contains additives that can mitigate ASR, the risk of ASR may be minimized. It is important to note that the primary purpose of IFBs is to provide insulation in high-temperature applications, such as kilns, furnaces, and fireplaces. If ASR resistance is a critical requirement for a specific application, it is recommended to consult with the manufacturer or a materials engineer to determine the suitability of the IFB for that particular scenario.

Q:How do insulating fire bricks help reduce emissions from heating equipment?: The role played by insulating fire bricks in reducing emissions from heating equipment is significant. This is because they improve the system's overall energy efficiency. These bricks are specifically designed with low thermal conductivity, which allows them to insulate heat effectively and prevent heat loss. When incorporated into heating equipment like furnaces or boilers, insulating fire bricks help retain heat within the system. This enables the equipment to reach and maintain higher temperatures more efficiently. As a result, fuel consumption is reduced since less energy is needed to achieve the desired heating levels. By decreasing fuel consumption, insulating fire bricks indirectly contribute to emission reduction. Burning less fuel to generate the same amount of heat leads to a corresponding decrease in the release of greenhouse gases and other pollutants into the atmosphere. This contribution is particularly important in the context of fossil fuel-based heating systems, which are major sources of carbon dioxide emissions and air pollution. Additionally, the use of insulating fire bricks can improve combustion efficiency. The higher temperatures attained and sustained within the heating equipment enhance the combustion process, ensuring a more thorough and cleaner burn. This helps minimize the production of harmful by-products like carbon monoxide and nitrogen oxides, which not only harm the environment but also pose health risks to humans. In conclusion, insulating fire bricks play a crucial role in reducing emissions from heating equipment by enhancing energy efficiency, reducing fuel consumption, and promoting cleaner combustion. By enhancing the overall performance of heating systems, these bricks contribute to a more sustainable and environmentally friendly approach to heating.

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