Insulating Fire Brick for Cement Kilns
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t
- Supply Capability:
- 600 m.t/month
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Refractory Brick
CMAX firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay by mixing, press-forming, drying, sintering and machining. Bricks contain carefully-graded organic fillers which are burned out during sintering to give a uniform controllable pore structure. This technique makes product feature low thermal conductivity and excellent heat insulation
Features
a) Low thermal conductivity;
b) High refractoriness;
c) High mechanical strength;
d) Excellent thermal shock resistance;
e) Non standard sizes and shapes are available upon request.
High Alumina Brick
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Application
1.Carbon bake furnaces in the aluminum industry
2.Preheat zones and cyclones of rotary cement kilns
3.insulation for glass tanks
4.Coke ovens
5.Blast furnaces
6.Reheating furnaces
7.Suspended roofs
8.Lime kilns
9.Chimney
10.BBQ/Pizza Ovens
Data Sheet
Classification Temperature (℉/℃) | 3000/1650 |
Bulk Density (g/cm3 ) | ≤1.0 |
Thermal Conductivity | |
800℃, W/m.K | ≤0.39 |
1000℃, W/m.K | ≤0.43 |
1200℃, W/m.K | ≤0.48 |
Reheating Linear Change (%) | 1550℃×12h |
≤0.9 | |
Chemical Composition (%) | |
Al2O3 | ≥75 |
Fe2O3 | ≤0.5 |
Packaging & Shipping
Packaging Details:Be packed in fumigated wooden pallets
Delivery Detail: 30 days after order
Our Services
Optimum solution and product supply of refractories for high temperature industries, such as iron steel, non-ferrous, petrochemical and building materials.
Engineering design, contract and consult for refractories, and civil architecture design.
Research, development, manufacture and sale of superhard materials.
R&D, manufacture and sale of special packing materials for export.
Inspection, supervision and arbitration of refractories.
Consultation and services in refractories information.
Training and cultivation of high-level talents in refractories profession
Sales Network
Company Information
CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in integrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.
FAQ
1. Which products do you have?
We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.
2. Can you give me a brief introduction of the application of your products?
We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.
3. If I need your offer, what information do you need?
In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc. If any question, please contact us freely.
- Q: Are insulating fire bricks resistant to vibration or seismic activity?
- Insulating fire bricks are generally not resistant to vibration or seismic activity. These bricks are designed to provide insulation and are therefore lightweight and porous. While they may be able to withstand minor vibrations or low levels of seismic activity, they are not specifically engineered to handle significant levels of shaking or tremors. In applications where vibration or seismic activity is a concern, it is advisable to use specially designed bricks or materials that are specifically manufactured to withstand these types of forces.
- Q: How long do insulating fire bricks last?
- Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation properties. The lifespan of insulating fire bricks can vary depending on several factors such as the quality of the bricks, the temperature they are exposed to, and how well they are maintained. Generally, insulating fire bricks can last for several years, often ranging from 10 to 20 years or even longer. However, it is important to note that the lifespan can be significantly reduced if the bricks are exposed to extreme temperatures or thermal shock on a regular basis. Regular maintenance and proper usage can also extend the lifespan of insulating fire bricks. This includes regular cleaning to remove any debris or build-up that can impact their performance. It is also important to avoid sudden temperature changes or excessive stress on the bricks, as this can lead to cracking or damage. Overall, the longevity of insulating fire bricks can vary, but with proper care and maintenance, they can provide reliable insulation for many years in high-temperature applications.
- Q: Advantages and disadvantages of external formwork and self thermal insulation block
- Self insulation block first meet the requirements of national energy conservation, the outer template also meets the requirements, but the process is more complex, higher cost,Insulation block although the price is high, but does not appear to burst mode, collapse, internal cracking and other problems, while the internal insulation block can control the cracking problem, the difficulty of construction on the ratio of template to technology, can refer to and block construction!
- Q: Can insulating fire bricks withstand thermal shock?
- Insulating fire bricks are designed to have high thermal insulation properties and are typically used in applications where thermal shock is not a major concern. While insulating fire bricks can withstand moderate temperature changes, they are not specifically engineered to resist thermal shock. Thermal shock occurs when there is a rapid change in temperature, causing stress and potential damage to the material. Insulating fire bricks are more susceptible to thermal shock compared to dense fire bricks, which are specifically designed to withstand extreme temperature changes. If thermal shock is a concern in your application, it is recommended to consider other types of refractory materials that are specifically designed to withstand rapid temperature changes.
- Q: How do insulating fire bricks help reduce heat loss through conduction?
- Insulating fire bricks help reduce heat loss through conduction by having low thermal conductivity. This means that they are poor conductors of heat, preventing the transfer of thermal energy from one side to the other. The bricks are made of materials with high porosity, which traps air within their structure. This trapped air acts as an insulator, minimizing the conduction of heat between the two sides of the brick. As a result, insulating fire bricks act as a barrier, reducing the amount of heat that is transferred through conduction and helping to maintain a more stable temperature.
- Q: Are insulating fire bricks suitable for use in aluminum smelting furnaces?
- Insulating fire bricks are typically unsuitable for aluminum smelting furnaces as they are designed to retain heat rather than withstand extreme temperatures. Aluminum smelting requires temperatures exceeding 1,000 degrees Celsius, making refractory fire bricks or refractory castables more appropriate. These materials have high melting points and can endure the intense heat without compromising their structural integrity. They also possess excellent thermal shock resistance, which is crucial due to rapid temperature fluctuations in the furnace during operation. Furthermore, refractory materials used in aluminum smelting furnaces should exhibit resistance to corrosion and chemical attack from molten aluminum and other substances involved in the smelting process. Insulating fire bricks may lack the necessary chemical resilience, potentially resulting in premature degradation and failure of the furnace lining. In conclusion, although insulating fire bricks may be suitable for applications requiring thermal insulation, they are generally not recommended for use in aluminum smelting furnaces. Refractory fire bricks or refractory castables are better suited for this chemically aggressive and high-temperature environment.
- Q: Can insulating fire bricks be used to build pizza ovens?
- Yes, insulating fire bricks can be used to build pizza ovens. Insulating fire bricks are designed to withstand high temperatures and provide excellent insulation, making them a suitable choice for constructing pizza ovens. These bricks have low thermal conductivity, which helps retain and distribute heat evenly throughout the oven. The insulating properties of the bricks help the oven reach and maintain the desired temperature, allowing for efficient and consistent cooking of pizzas. Additionally, insulating fire bricks are lightweight, making them easier to handle and install during the construction process. Overall, insulating fire bricks are a great option for building pizza ovens due to their ability to withstand high temperatures and provide effective insulation.
- Q: How do insulating fire bricks help improve the efficiency of heat recovery systems?
- Insulating fire bricks help improve the efficiency of heat recovery systems by providing excellent thermal insulation. These bricks have low thermal conductivity, which means they can effectively reduce heat loss and keep the heat within the system. By minimizing heat loss, the heat recovery systems can operate more efficiently, allowing for better utilization of the recovered heat energy.
- Q: Are insulating fire bricks suitable for use in the construction of drying ovens?
- Yes, insulating fire bricks are suitable for use in the construction of drying ovens. Insulating fire bricks are designed to have low thermal conductivity, which means they can effectively retain heat within the oven. This property is especially important in drying ovens as it helps to maintain a consistent and even temperature throughout the drying process. Additionally, insulating fire bricks have high resistance to thermal shock, meaning they can withstand the rapid temperature changes that may occur during the heating and cooling cycles of the oven. This durability ensures that the bricks will not crack or break under extreme temperature conditions. Furthermore, insulating fire bricks are lightweight and easy to handle, making them convenient for installation in drying ovens. Overall, these bricks provide excellent insulation and thermal stability, making them a suitable choice for the construction of drying ovens.
- 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 means they are able to withstand high temperatures while minimizing heat loss. This makes them suitable for use in rotary kilns, which are used in various industries for processes such as calcination, sintering, and roasting. By using insulating fire bricks in rotary kilns, the heat generated inside the kiln can be effectively contained, leading to greater energy efficiency and cost savings. Additionally, the insulating properties of these bricks help to reduce the temperature on the outer surface of the kiln, making it safer for operators to work around the equipment. Overall, insulating fire bricks are a suitable option for rotary kilns, providing excellent thermal insulation and contributing to the overall performance and longevity of the kiln.
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Insulating Fire Brick for Cement Kilns
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t
- Supply Capability:
- 600 m.t/month
OKorder Service Pledge
OKorder Financial Service
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