Refractory Precast Shapes For EAF Roof
- Ref Price:
-
$1,262.61 - 1,543.19
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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General Information of Refractory Precast Shapes For EAF Roof
Made as per international standards, FIREF refractory pre-cast shapes for EAF roof is known for its excellent corrosion and scouring resistance of iron steel, long operating life and easy execution and mending. Further, the sizes could be customed.
Technical data of Refractory Precast Shapes For EAF Roof
Item | Refractory Precast Shapes For EAF Roof | |
Al2O3(%)≥ | 82 | |
MgO(%)≥ | — | |
CaO(%)≤ | 2 | |
SiO2(%)≤ | — | |
Fe2O3(%)≥ | — | |
Cr2O3 | — | |
Bulk Density （g/cm3）≥ | 110℃×24h | 2.9 |
1600℃×3h | — | |
C.C.S. (MPa)≥ | 110℃×24h | 30 |
1600℃×3h | — | |
M.O.R.(MPa)≥ | 110℃×24h | 6 |
1600℃×3h | — | |
Grain Size Distribution (%) | — | |
Heavy Burn Line Rate(1300℃×3h)(%) | — | |
Mould and Test Room of Refractory Precast Shapes For EAF Roof
Feature of Refractory Precast Shapes For EAF Roof
Excellent corrosion and scouring resistance of iron steel
Easy execution and mending
Application of Refractory Precast Shapes For EAF Roof
FIREF refractory pre-cast shapes for EAF roof can be used for in situ casting or pre-casting for tri-angle area of UHP EAF roof.
- Q: How do monolithic refractories impact the quality of iron and steel products?
- Monolithic refractories play a crucial role in enhancing the quality of iron and steel products. These refractories are used to line the furnaces, ladles, and other equipment involved in the production process. By providing excellent thermal insulation and resistance to high temperatures, monolithic refractories help maintain stable and controlled heating conditions, which is essential for achieving desired chemical compositions and microstructures in iron and steel. Moreover, these refractories minimize heat loss, prevent contamination, and reduce the formation of impurities, thus ensuring the production of high-quality and defect-free iron and steel products.
- Q: How do monolithic refractories prevent slag penetration?
- Slag penetration is effectively prevented by monolithic refractories due to several mechanisms. Firstly, the high-quality materials used in monolithic refractories, such as alumina, silica, and magnesia, possess exceptional resistance to slag attack. These materials have a high melting point and can endure the corrosive nature of the slag. Secondly, the design of monolithic refractories incorporates a dense and compact structure that minimizes porosity. Slag penetration occurs when the molten slag infiltrates the pores and cracks of the refractory material. By reducing porosity, monolithic refractories create a barrier that restricts the entry of slag into the refractory lining. Furthermore, monolithic refractories can be chemically bonded to the substrate, resulting in a strong and impermeable bond. This bond enhances resistance to slag penetration by eliminating any gaps or weak points through which the slag could seep. Moreover, monolithic refractories can possess a high thermal shock resistance. Slag penetration is often intensified by thermal cycling, wherein the refractory material undergoes rapid temperature changes. Monolithic refractories with high thermal shock resistance can endure these temperature fluctuations without cracking or spalling, therefore decreasing the risk of slag penetration. Additionally, the effective prevention of slag penetration relies on the proper installation and maintenance of monolithic refractories. The refractory lining must be appropriately designed, with the right thickness and geometry, in order to provide maximum protection against slag attack. Regular inspection and repair of any damaged or worn-out areas can also prevent slag penetration. In summary, monolithic refractories prevent slag penetration through their excellent resistance to slag attack, dense structure, chemical bonding, high thermal shock resistance, and proper installation and maintenance. By working together, these factors create a robust and impermeable barrier that safeguards the underlying substrate from the corrosive effects of slag.
- Q: What are the specific requirements of monolithic refractories for ladle purging applications?
- The specific requirements of monolithic refractories for ladle purging applications include high thermal shock resistance, excellent erosion resistance, good slag resistance, and low porosity. Thermal shock resistance is crucial in ladle purging applications as the refractory material needs to withstand rapid temperature changes without cracking or spalling. This is particularly important during ladle purging, where the ladle is exposed to high temperatures during molten metal pouring and then quickly cooled down during purging. Erosion resistance is another important requirement for monolithic refractories in ladle purging applications. The refractory material should be able to withstand the erosive action of molten metal streams and metalloids during purging. It should have a high resistance to chemical attack, preventing the material from deteriorating or eroding away. Slag resistance is also necessary for monolithic refractories used in ladle purging. The refractory material should have good resistance to the corrosive effects of slag, which can be present in ladles during purging. Slag can cause chemical reactions that can degrade the refractory material, leading to premature failure. Low porosity is an essential requirement for monolithic refractories in ladle purging applications. Low porosity ensures that the refractory material is impermeable to molten metal, preventing it from infiltrating the material and causing damage. This also helps to maintain the integrity and performance of the refractory lining during ladle purging. Overall, monolithic refractories for ladle purging applications need to exhibit high thermal shock resistance, excellent erosion resistance, good slag resistance, and low porosity to ensure the durability and longevity of the refractory lining in ladles during purging operations.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish preheaters?
- The efficiency of ladle and tundish preheaters can be significantly improved through the utilization of monolithic refractories, which play a vital role in this process. To begin with, monolithic refractories possess exceptional thermal insulation properties. Their low thermal conductivity ensures that heat loss from the preheaters is effectively prevented. By minimizing heat loss, monolithic refractories ensure that the majority of the heat generated by the preheater is utilized for preheating the ladle or tundish. This results in reduced energy consumption and enhanced efficiency of the preheating process. Additionally, monolithic refractories offer remarkable resistance to thermal shocks. As ladle and tundish preheaters are subjected to rapid and extreme temperature changes during operation, it is crucial for the refractories to withstand these shocks. The ability of monolithic refractories to endure these thermal shocks ensures their long-lasting performance, reducing the need for frequent repairs or replacements. This not only enhances the efficiency of the preheaters but also reduces downtime and maintenance costs. Furthermore, monolithic refractories exhibit excellent mechanical strength and resistance to abrasion. The constant wear and tear experienced by ladle and tundish preheaters due to the movement of ladles or tundishes, as well as the abrasive nature of the materials being processed, can be mitigated through the use of monolithic refractories. These refractories prevent erosion and damage to the preheaters, ensuring their longevity and optimal functioning. Consequently, this improves the overall efficiency of ladle and tundish preheaters by reducing downtime and maintenance requirements. Lastly, monolithic refractories offer the advantage of design flexibility. They can be customized and shaped to meet the specific requirements of ladle or tundish preheaters. This allows for better fitting and insulation, maximizing heat transfer efficiency. The ability to tailor the refractory lining to the preheater's design also ensures uniform heating, minimizing temperature variations and improving overall operational efficiency. In conclusion, monolithic refractories contribute to the improved efficiency of ladle and tundish preheaters by providing superior thermal insulation, resistance to thermal shocks, mechanical strength, abrasion resistance, and design flexibility. These properties result in reduced heat loss, minimized downtime, enhanced durability, and optimized heat transfer, ultimately leading to improved 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 help in enhancing the durability of iron and steel equipment?
- Monolithic refractories help enhance the durability of iron and steel equipment by providing a protective lining that withstands high temperatures, chemical corrosion, and mechanical stress. This lining acts as a barrier, preventing the contact between the equipment and harsh operating conditions, thus minimizing wear and extending the lifespan of the equipment.
- Q: How do monolithic refractories withstand thermal cycling in the iron and steel industry?
- Monolithic refractories withstand thermal cycling in the iron and steel industry through their unique properties and composition. These refractories are made from a single piece or mass, which eliminates joints and weak points that could be susceptible to thermal stress. Additionally, their high thermal conductivity and low thermal expansion help them absorb and distribute heat evenly, reducing the risk of cracking or damage during rapid temperature changes. The use of advanced bonding agents further enhances their durability and resistance to thermal cycling, allowing them to withstand the extreme conditions of the iron and steel industry.
- Q: How are monolithic refractories different from traditional refractory materials?
- There are several ways in which monolithic refractories differ from traditional refractory materials. Firstly, while traditional refractory materials are typically made from bricks, blocks, or tiles, monolithic refractories are made from a single continuous material. This means that they do not have any joints or seams, which can weaken traditional refractory structures. Secondly, installing monolithic refractories is much easier compared to traditional refractory materials. They can be easily shaped and applied on site, allowing for greater flexibility in design and construction. In contrast, traditional refractory materials require skilled labor and more time-consuming installation methods such as bricklaying. Additionally, monolithic refractories offer improved resistance to thermal shock. Because of their continuous structure, they can better withstand sudden changes in temperature without cracking or spalling. On the other hand, traditional refractory materials may be more susceptible to thermal shock damage. Another advantage of monolithic refractories is their ability to provide better insulation. They are often composed of lightweight aggregates or insulating fibers, which help to reduce heat loss and improve energy efficiency. Traditional refractory materials, while still capable of providing insulation, may not offer the same level of thermal efficiency. Lastly, monolithic refractories are more cost-effective. Their ease of installation, reduced labor requirements, and improved thermal performance contribute to lower overall project costs compared to traditional refractory materials. To sum up, monolithic refractories have a continuous structure, are easy to install, offer improved thermal shock resistance, provide better insulation properties, and are cost-effective. These characteristics make them the preferred choice in many industries that require high-temperature applications and thermal insulation.
- Q: How do monolithic refractories perform in torpedo ladle applications?
- Monolithic refractories perform exceptionally well in torpedo ladle applications due to their high thermal shock resistance, excellent erosion and corrosion resistance, and superior mechanical strength. They can withstand the extreme temperatures and aggressive molten metal environment inside the torpedo ladle, ensuring long-lasting and reliable performance. Additionally, monolithic refractories offer ease of installation and maintenance, making them a preferred choice in torpedo ladle applications.
Our products are mainly mullite brick, high alimina brick acid-resistant refractory brick, phosphate abrasive brick and andalusite brick, with annual output of 20000 tons heavy refractory, the tunnel kiln with 80m in length is mainly for manufacturing of top quality refractory, such as corundum products, alumina products and spinel products. In order to promote sustainable development, we will insist on scientific development.
1. Manufacturer Overview
| Location | Henan, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 60 Million |
| Main Markets | Mid East; Eastern Europe; North America |
| Company Certifications | ISO 9001:2008 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 31% - 50% |
| No.of Employees in Trade Department | 21-50 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | Above 36,000 square meters |
| No. of Production Lines | Above 5 |
| Contract Manufacturing | OEM Service Offered |
| Product Price Range | Average |
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Refractory Precast Shapes For EAF Roof
- Ref Price:
-
$1,262.61 - 1,543.19
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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