Refractory Mullite Insulating Refractory Brick JM 34
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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Okorder series heat insulation brick
Okorder series thermal insulation brick is an effective, energy saving, low carbon, environmental protection advanced, according to the ASTM standard manufacturing products. Okorder series products have all kinds of materials in the field of metallurgy, industrial furnaces, aluminum, the best Li Ning petrochemical and insulation, electric power and glass ceramics. They can be used as part of an insulation or not to melt. Products have been widely used in the following furnace, achieved satisfactory results.
Application of heat preservation brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc..
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Chundu: High-speed Rail, low content of alkali metal impurities.
Accuracy: the size of the brick machining precision, cutting and grinding the special shape, speed up the brick.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density，g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
- Q:Are insulating fire bricks resistant to acids and alkalis?
- The resistance of insulating fire bricks to acids and alkalis may vary depending on their composition and manufacturing process. Typically, these bricks are made from materials like alumina, silica, or a combination of both, which offer excellent resistance to high temperatures and thermal conductivity. Moreover, these materials are chemically inert, meaning they do not react with acids or alkalis. Nevertheless, it is important to acknowledge that certain acids and alkalis can still cause slight degradation or corrosion over time, particularly if they are highly concentrated or used at elevated temperatures. Therefore, it is advisable to refer to the manufacturer's specifications or conduct specific tests to determine the bricks' resistance level to particular acids or alkalis. In conclusion, insulating fire bricks are suitable for applications involving exposure to acids and alkalis. However, it is always recommended to consider the specific requirements and consult experts or manufacturers to ensure that the bricks will perform adequately in the intended environment.
- Q:Can insulating fire bricks be used in the construction of lime production ovens?
- Yes, insulating fire bricks can be used in the construction of lime production ovens. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. Lime production ovens require materials that can withstand the extreme heat generated during the process of converting limestone into lime. Insulating fire bricks not only have a high heat resistance, but they also have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency in the lime production process. Additionally, insulating fire bricks are lightweight and easy to handle, making them suitable for the construction of lime production ovens.
- Q:What is the typical weight of an insulating fire brick?
- The typical weight of an insulating fire brick can vary depending on its size and composition, but it typically ranges from 2 to 4 pounds (0.9 to 1.8 kilograms).
- Q:Can insulating fire bricks be used in high-temperature filters?
- Yes, insulating fire bricks can be used in high-temperature filters. These bricks are designed to withstand extreme temperatures and provide excellent insulation. They can effectively trap and filter out impurities in high-temperature environments, making them suitable for use in high-temperature filters.
- Q:Can insulating fire bricks be used in the construction of aluminum smelting furnaces?
- Yes, insulating fire bricks can be used in the construction of aluminum smelting furnaces. Insulating fire bricks are made from lightweight materials such as refractory clay and have high insulating properties. This makes them ideal for use in high-temperature environments, such as aluminum smelting furnaces, where they can help to conserve heat and improve energy efficiency. Aluminum smelting furnaces typically operate at very high temperatures, often above 1000 degrees Celsius. In these extreme conditions, insulating fire bricks can provide effective thermal insulation, which helps to reduce heat loss and maintain the desired temperature inside the furnace. This insulation can also help to reduce the energy required to heat the furnace, leading to cost savings and increased efficiency. Additionally, insulating fire bricks have excellent resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is important in an aluminum smelting furnace, where the heating and cooling cycles can be frequent and rapid. Another advantage of using insulating fire bricks in aluminum smelting furnaces is their low thermal conductivity. This property allows them to retain heat within the furnace, preventing it from escaping to the surrounding environment. By reducing heat loss, insulating fire bricks can help to maintain a consistent temperature throughout the smelting process, ensuring optimal conditions for the melting and refining of aluminum. In summary, insulating fire bricks are a suitable choice for the construction of aluminum smelting furnaces due to their high insulating properties, resistance to thermal shock, and low thermal conductivity. Their use can help to improve energy efficiency, reduce heat loss, and maintain a stable temperature within the furnace.
- Q:Can insulating fire bricks be used in rotary kilns?
- Yes, insulating fire bricks can be used in rotary kilns. Insulating fire bricks are designed to have low thermal conductivity, which helps to reduce heat loss and improve energy efficiency in high-temperature applications like rotary kilns. Additionally, these bricks are lightweight and have good thermal shock resistance, making them suitable for the harsh and dynamic conditions within a rotary kiln.
- Q:Are insulating fire bricks resistant to high-velocity gas flow erosion?
- Yes, insulating fire bricks are generally resistant to high-velocity gas flow erosion. These bricks are designed to withstand high temperatures and are made from materials that can withstand the erosive effects of gases flowing at high velocities. However, the resistance may vary depending on the specific composition and quality of the fire bricks.
- Q:Are insulating fire bricks suitable for insulation in gas turbines?
- Yes, insulating fire bricks are suitable for insulation in gas turbines. They have excellent insulating properties and can withstand high temperatures, making them an ideal choice for protecting and insulating the components of gas turbines.
- Q:Can insulating fire bricks be used in the construction of ladles?
- Yes, insulating fire bricks can be used in the construction of ladles. Insulating fire bricks are made from lightweight materials that have excellent thermal insulation properties. This makes them ideal for applications where heat needs to be retained or controlled, such as in the construction of ladles used in metal or glass industries. The insulating fire bricks help to reduce heat loss, improve energy efficiency, and maintain the desired temperature within the ladle. Additionally, their lightweight nature makes them easier to handle and install in ladle constructions. Therefore, insulating fire bricks can be a suitable choice for ladle construction, providing the necessary thermal insulation and durability required for these high-temperature applications.
- Q:Can insulating fire bricks be used in metal melting furnaces?
- Yes, insulating fire bricks can be used in metal melting furnaces. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in metal melting furnaces where heat retention is crucial.
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Refractory Mullite Insulating Refractory Brick JM 34
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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