• High-Aluminum Low-iron Brick System 1
High-Aluminum Low-iron Brick

High-Aluminum Low-iron Brick

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Specifications

High aluminum refractory brick belongs to gender refractory materials with its thermal stability.

Feature:

1.bricks are made from high quality bauxite
2.dry pressed
3.burned under tunnel kiln
4.accurate dimension
5.high strength

Product specification: Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.

Item

Properties

LZ-80

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3 ,%

80

≥75

≥65

≥55

≥48

Refractoriness °C

≥1790

≥1790

≥1790

≥1770

≥1750

Bulk density,g/cm3

2.65

2.5

2.45

2.4

2.3

Softening temperature under load

1530

≥1520

≥1500

≥1470

≥1420

Permanent linear change,%

1500°CX2H

+0.1

-0.4

+0.1

-0.4

+0.1

-0.4

+0.1

-0.4

1450°CX2H

+0.1

-0.4

Apparent porosity,%

22

≤23

≤23

≤22

≤22

Cold Crushing strength Mpa

55

≥50

≥45

≥40

≥35

Application

All industrial furnace

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.
Q:Are insulating fire bricks resistant to gas permeability?
Yes, insulating fire bricks are resistant to gas permeability. They have low porosity and high density, which prevents the penetration of gases, making them an effective barrier against gas permeation.
Q:Can insulating fire bricks be cut or shaped to fit different spaces?
Indeed, it is possible to cut or shape insulating fire bricks to suit various spaces. These bricks are crafted from lightweight materials, enabling effortless customization using ordinary tools like saws, knives, or rasps. Consequently, they can be perfectly tailored to fit fireplaces, kilns, furnaces, and other high-temperature settings. Nevertheless, it must be emphasized that caution must be exercised while cutting or shaping insulating fire bricks, as they may generate dust or debris.
Q:Are insulating fire bricks environmentally friendly?
Insulating fire bricks can be considered environmentally friendly to a certain extent. These bricks are made from natural materials such as clay, shale, and other minerals, which are abundant and readily available. This means that they do not contribute to the depletion of natural resources. Additionally, insulating fire bricks are designed to have low thermal conductivity, which helps in reducing energy consumption. By using these bricks, buildings can be better insulated, resulting in lower heating and cooling requirements and subsequently reducing greenhouse gas emissions. However, the manufacturing process of insulating fire bricks does have some environmental impacts. The firing process requires high temperatures, which can contribute to air pollution and greenhouse gas emissions. Furthermore, the extraction of raw materials for these bricks may involve some environmental disturbance. To truly assess the environmental friendliness of insulating fire bricks, it is important to consider the entire life cycle, including the extraction of raw materials, manufacturing process, transportation, and disposal. Additionally, comparing them to alternative insulation materials can provide a more comprehensive perspective on their environmental impact. In conclusion, while insulating fire bricks have certain eco-friendly characteristics like being made from natural materials and reducing energy consumption, their overall environmental impact should be evaluated in a holistic manner.
Q:Can insulating fire bricks be used for insulation in refractory lining repair?
Yes, insulating fire bricks can be used for insulation in refractory lining repair. Insulating fire bricks are specifically designed to provide insulation in high-temperature environments, making them suitable for repairing refractory linings that require thermal insulation.
Q:Can insulating fire bricks be used for high-temperature applications?
Yes, insulating fire bricks can be used for high-temperature applications. These bricks are designed to withstand extremely high temperatures and provide excellent insulation, making them suitable for use in industries such as metallurgy, glassmaking, and kiln construction. They can effectively retain heat, minimize heat loss, and provide thermal protection in high-temperature environments.
Q:Are there any special requirements for the use of raw materials in thermal insulation brick production equipment? What about the raw materials?
Specific funding, different production, different raw materials configuration will be different. According to the design requirements, refining production process, for production process, production management level, complete monitoring, pulping system on the lower computer, based on control level; lower machine by the programmable controller (PLC) is mainly composed of a crushing system. The host computer takes the standard industrial control computer (IPC) as the main man-machine interface (HMI) and beating system, and if possible, it is recommended to investigate on site
Q:Can insulating fire bricks be used in the construction of boilers for power plants?
Yes, insulating fire bricks can be used in the construction of boilers for power plants. Insulating fire bricks are specifically designed to have low thermal conductivity, which allows them to retain heat and prevent energy loss. This property makes them ideal for use in high-temperature applications such as power plant boilers, where efficient heat transfer is crucial for the production of steam and generation of electricity. Additionally, insulating fire bricks are lightweight and have good thermal shock resistance, making them suitable for the demanding conditions found in power plants. Overall, the use of insulating fire bricks in the construction of boilers can help improve energy efficiency and reduce heat loss, leading to increased operational performance and cost savings in power plants.
Q:Can insulating fire bricks be used in aluminum furnaces?
Yes, insulating fire bricks can be used in aluminum furnaces. These bricks have excellent insulating properties and can withstand high temperatures, making them suitable for use in aluminum furnaces where thermal insulation is required.
Q:Can insulating fire bricks be used as insulation for pizza ovens?
Yes, insulating fire bricks can be used as insulation for pizza ovens. Their high heat resistance and ability to retain heat make them an ideal choice for insulating the oven and maintaining the desired temperature for baking pizzas.

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