Monolithic Refractories for Iron and Steel Industry - Lightweight Castable Refractory Castable by Casting
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 kg
- Supply Capability:
- 10000000000 kg/month
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General Information of Lightweight castable
Lightweight castable is made from lightweight aggregate of lightweight ceramic grains and sand grog and floating beads, mixed with binding agent of aluminate cement and superfine powder, having different aggregates of different materials to meet the design requirements.
Features of Lightweight Castable
◆High strength
◆Good wear resistance
◆Excellent heat-insulation
◆Small reheating liner change
Application of Lightweight Castable
Chimney linings and heat-insulating
Wear proof layers of the
Technical Data of Lightweight Castable
| Technical Data of Lightweight Castable | ||||||
| Physical Properties | LC-1.4 | LC-1.2 | LC-1.0 | LC-0.9 | LC-0.8 | |
| Classification Temperature | ℃ | 1200 | 1100 | 1100 | 1000 | 1000 |
| ℉ | 2190 | 2010 | 2010 | 1830 | 1830 | |
| Buk Densiy(g/cm) | 110℃×24h | 1.4 | 1.2 | 1.0 | 0.9 | 0.8 |
| 815cx3h | 1.3 | 1.1 | 0.9 | 0.8 | 0.7 | |
| Compressive Strength (Mpa) | 110℃×24h | 12 | 10 | 7 | 4.5 | 4 |
| 815cx3h | 10 | 8 | 6 | 4 | 3 | |
| Modulus of Rupture(Mpa) | 110℃×24h | 3 | 2 | 1.5 | 1.0 | 0.8 |
| 815cx3h | 2.5 | 1.5 | 1.0 | 0.8 | 0.5 | |
| Permanent Liner Change (%) | 815℃×3h | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Thermal Conductivity(W/m.k) | 350℃ | 0.35 | 0.30 | 0.25 | 0.23 | 0.21 |
Photo of Lightweight Castable
- Q:How are monolithic refractories recycled or disposed of at the end of their lifespan?
- Monolithic refractories, which are commonly used in high-temperature industrial applications, can be recycled or disposed of at the end of their lifespan through several methods. The chosen method depends on the specific type of monolithic refractory and its composition. One common approach to recycling monolithic refractories is through a process known as reclamation. Reclamation involves collecting used refractory materials and processing them to remove any impurities or contaminants. The reclaimed refractory material can then be crushed, ground, or milled to produce a fine powder that can be used as a raw material in the production of new refractories. Another method of recycling monolithic refractories is through thermal treatment. This involves subjecting the used refractory material to high temperatures in a controlled environment, such as a kiln or furnace. The heat helps to break down the refractory material, removing any binders or impurities. The resulting material can then be reused as a raw material or incorporated into other applications, such as aggregates for construction. In cases where recycling is not feasible, monolithic refractories can be disposed of in specialized facilities designed for handling and treating hazardous waste. These facilities ensure that the refractory material is properly contained and treated to minimize any potential environmental impact. This disposal method is typically used for refractories that contain hazardous substances or cannot be recycled due to their composition. It is important to note that the proper disposal or recycling method for monolithic refractories should comply with local regulations and guidelines. These regulations aim to ensure the safe handling, treatment, and disposal of these materials, taking into consideration their potential environmental and health impacts. Therefore, it is crucial for industries and businesses to work closely with waste management professionals and follow the appropriate procedures to responsibly manage monolithic refractories at the end of their lifespan.
- Q:How do monolithic refractories enhance the performance of ladle and tundish purging systems?
- The performance of ladle and tundish purging systems is greatly improved by the use of monolithic refractories. These refractories offer various advantages in enhancing the efficiency and effectiveness of the purging process. To begin with, the thermal insulation properties of monolithic refractories are exceptional. When impurities and gases need to be eliminated from molten metal, high temperatures are necessary. By utilizing monolithic refractories, heat loss is minimized, and the desired temperature within the system is maintained. This ensures that the purging process is carried out effectively and efficiently. Furthermore, monolithic refractories possess superior resistance to erosion and corrosion. The molten metal and purging gases can be corrosive and abrasive, making it essential for the lining to withstand such harsh conditions. Monolithic refractories are specifically designed to endure these circumstances, preventing erosion and corrosion. This contributes to the longevity of the ladle and tundish purging systems, reducing the need for frequent repairs or replacements. Additionally, monolithic refractories provide remarkable strength and stability. As molten metal and purging gases move within the system, significant mechanical stresses are experienced. The use of monolithic refractories ensures that the lining remains structurally sound, preventing any deformation or failure under these conditions. This guarantees smooth and uninterrupted purging operations, thus enhancing the overall performance of the system. Moreover, the installation and maintenance of monolithic refractories are straightforward. Unlike traditional brick and mortar refractories, monolithic refractories can be easily applied as a single, uniform layer. This simplifies the installation process and reduces the time and effort required for maintenance. Any necessary repairs or replacements can be conducted more efficiently, resulting in minimal downtime and maximum productivity for the ladle and tundish purging systems. In conclusion, monolithic refractories significantly improve the performance of ladle and tundish purging systems by providing excellent thermal insulation, erosion and corrosion resistance, strength and stability, as well as ease of installation and maintenance. These properties contribute to the efficient and effective removal of impurities and gases from molten metal, ensuring high-quality output and optimizing the overall productivity of the purging process.
- Q:How do monolithic refractories improve the efficiency of ladle and tundish preheating furnaces?
- Monolithic refractories improve the efficiency of ladle and tundish preheating furnaces by providing superior insulation and heat retention properties. These refractories are designed to withstand high temperatures and reduce heat loss, ensuring that the furnaces reach and maintain the desired preheating temperatures more efficiently. Additionally, monolithic refractories offer excellent thermal shock resistance, preventing cracks and damage that can negatively impact furnace performance. Overall, the use of monolithic refractories in ladle and tundish preheating furnaces helps to optimize energy consumption and enhance the overall efficiency of the preheating process.
- Q:How do monolithic refractories contribute to the reduction of downtime in iron and steel plants?
- Monolithic refractories play a crucial role in reducing downtime in iron and steel plants due to their unique properties and applications. These refractories are composed of a single, uniform material, making them highly versatile and easier to install compared to traditional brick refractories. Firstly, monolithic refractories offer excellent thermal insulation, which helps to prevent heat loss and maintain high temperatures in various areas of the plant. This insulation capability reduces the need for frequent repairs and replacements, as it minimizes thermal stress and prolongs the lifespan of equipment and furnaces. This, in turn, results in less downtime required for maintenance and repair work. Secondly, monolithic refractories exhibit superior resistance to thermal shock. The extreme temperatures experienced in iron and steel plants can cause rapid and significant temperature changes, leading to the cracking and failure of refractory linings. However, monolithic refractories have better thermal shock resistance, enabling them to withstand sudden temperature fluctuations without sustaining damage. This property enhances their durability and contributes to the reduction of downtime. Moreover, monolithic refractories offer enhanced mechanical strength and chemical resistance, making them suitable for the harsh operating conditions in iron and steel plants. These refractories can withstand the erosive effects of molten metal, slag, and other corrosive materials, ensuring the longevity of equipment and reducing the frequency of maintenance interventions. Additionally, the installation process of monolithic refractories is faster and more efficient compared to brick refractories. They can be easily applied using various techniques, such as shotcreting or gunning, allowing for quick repairs or renovations during planned shutdowns or even emergency situations. The reduced installation time results in shorter downtime periods, enabling the plant to resume operations promptly. In conclusion, monolithic refractories significantly contribute to the reduction of downtime in iron and steel plants through their excellent thermal insulation, resistance to thermal shock, mechanical strength, and chemical resistance. Their ease of installation and quick repair capabilities further enhance their role in minimizing downtime and ensuring uninterrupted production in these critical industries.
- Q:What are the typical compositions of monolithic refractories?
- The typical compositions of monolithic refractories include high alumina, fireclay, silica, magnesia, and carbon-based materials. These compositions are combined with binders, additives, and aggregates to form the monolithic refractory materials.
- Q:How do monolithic refractories prevent slag penetration?
- Monolithic refractories prevent slag penetration by forming a dense and continuous protective layer on the surface of the refractory material. This layer acts as a barrier, preventing the molten slag from infiltrating and damaging the refractory.
- Q:What are the challenges in recycling and disposing of monolithic refractories?
- In order to minimize the environmental impact and maximize resource efficiency, several challenges must be overcome when recycling and disposing of monolithic refractories. One significant challenge lies in the handling and transportation of these refractories due to their heavy and bulky nature. Since they are commonly used in high-temperature applications, dismantling and removing them from equipment can be difficult. The weight and size of monolithic refractories make transportation to recycling or disposal facilities a challenge, requiring specialized equipment and infrastructure. Another obstacle is the heterogeneity of monolithic refractories, which often contain various types of refractory materials, binders, and additives. This complexity makes it challenging to separate and categorize the different components for effective recycling. The lack of standardized recycling processes for monolithic refractories further complicates recycling efforts. Moreover, the high melting points of refractory materials used in monolithic refractories make conventional recycling methods, such as melting and remolding, energy-intensive and costly. It is necessary to explore and optimize alternative recycling methods like thermal treatment or chemical processing to make the recycling process more economically and environmentally viable. Proper disposal of monolithic refractories is also a challenge. If not recycled, these materials often end up in landfills, occupying valuable space and potentially releasing harmful substances into the environment. Landfilling refractories can also pose contamination risks if not managed correctly or if hazardous additives are present. To address these challenges, it is crucial to invest in research and development to create more efficient and cost-effective recycling technologies for monolithic refractories. Collaboration between manufacturers, recycling facilities, and regulatory bodies is also essential to establish guidelines and standards for recycling and disposal. Additionally, educating industries and end-users about the importance of recycling and the availability of recycling options can help increase the demand and feasibility of recycling monolithic refractories.
- Q:How do monolithic refractories contribute to the reduction of heat loss in iron and steel furnaces?
- Monolithic refractories play a crucial role in reducing heat loss in iron and steel furnaces. These refractories are designed to provide a continuous lining throughout the furnace, eliminating joints and seams that can result in thermal leaks. One way monolithic refractories contribute to heat loss reduction is through their excellent thermal insulation properties. They have low thermal conductivity, meaning they are effective at restricting the transfer of heat from the furnace to its surroundings. This insulation helps to maintain the high temperatures required for efficient iron and steel production within the furnace, while minimizing heat loss to the surrounding environment. Another way monolithic refractories contribute to heat loss reduction is by providing a protective barrier that prevents the escape of hot gases and molten metal. This barrier helps to maintain the integrity of the furnace lining, preventing any gaps or cracks that could allow heat to escape. By ensuring a tight and continuous lining, monolithic refractories reduce heat loss by keeping the heat contained within the furnace. Furthermore, monolithic refractories have high resistance to thermal shock and erosion, which are common challenges in iron and steel furnaces. These refractories can withstand rapid temperature changes, preventing any sudden cracks or failures that could lead to heat loss. Additionally, they are resistant to the corrosive effects of molten metal and hot gases, ensuring the longevity of the lining and maintaining its insulating properties over time. In summary, monolithic refractories contribute to the reduction of heat loss in iron and steel furnaces through their excellent thermal insulation properties, ability to provide a continuous lining, resistance to thermal shock and erosion, and protection against corrosive substances. By minimizing heat loss, these refractories optimize the energy efficiency and productivity of the furnace, ultimately leading to cost savings and improved overall performance in the iron and steel industry.
- Q:What are the challenges faced in the application of monolithic refractories?
- Some challenges faced in the application of monolithic refractories include proper material selection, achieving proper installation techniques, ensuring consistent and uniform application, controlling drying and curing processes, and dealing with potential shrinkage and cracking issues. Additionally, monolithic refractories often require skilled labor for installation and maintenance, and they may be susceptible to erosion, thermal shock, and chemical attack in certain environments.
- Q:How do monolithic refractories contribute to energy efficiency in the iron and steel industry?
- Monolithic refractories play a crucial role in improving energy efficiency in the iron and steel industry. These refractories are made from a single material and can be easily molded, thereby providing a seamless lining in various high-temperature applications, such as furnaces and kilns. By having a monolithic lining, heat loss is significantly minimized as there are no joints or gaps for heat to escape. This leads to reduced energy consumption and improved overall energy efficiency in the industry. Additionally, monolithic refractories offer better thermal conductivity and insulation properties, enabling better heat transfer and retention within the equipment, further optimizing energy usage.
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Monolithic Refractories for Iron and Steel Industry - Lightweight Castable Refractory Castable by Casting
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 kg
- Supply Capability:
- 10000000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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