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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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 perform in rotary hearth furnace applications?
- Monolithic refractories perform exceptionally well in rotary hearth furnace applications due to their ability to withstand high temperatures, thermal shock, and mechanical stresses. Their unique properties and composition make them highly resistant to chemical attacks and erosion, ensuring long-lasting and reliable performance in these demanding environments. Additionally, their easy installation and repair process make them a preferred choice for rotary hearth furnace applications.
- Q: How are monolithic refractories used in the repair and maintenance of ladles and tundishes?
- The steel industry extensively utilizes monolithic refractories for the repair and maintenance of ladles and tundishes. These refractories are specifically designed to endure the extreme conditions encountered during the steelmaking process, including high temperatures, thermal shock, and chemical erosion. In the case of ladle repair, monolithic refractories are employed to line the inner walls. Ladles are exposed to intense heat and corrosive molten metal, and the refractory lining serves as insulation and protection against these harsh circumstances. Additionally, the lining helps to maintain the desired temperature of the molten metal, ensuring it remains in an appropriate state for processing. Regarding tundishes, monolithic refractories are used to line the bottom, sides, nozzle, and impact pad. Tundishes are responsible for distributing molten metal to multiple casting molds and are subject to high temperatures and thermal shocks. The refractory lining helps to sustain the necessary temperature and prevent any leakage of molten metal. During the repair and maintenance process, monolithic refractories are applied as dense, high-strength materials that are easy to shape and install. They can be formed into various shapes, such as bricks, castables, and gunning mixes, depending on the specific requirements of the ladle or tundish. These refractories are frequently applied using specialized techniques, such as gunning or casting, to ensure proper adhesion and durability. In addition to their thermal and chemical resistance properties, monolithic refractories also possess excellent mechanical strength and resistance to abrasion. This is particularly crucial in ladles and tundishes, as they experience constant wear and tear from the movement of molten metal and the handling of refractory materials during repair and maintenance. Overall, monolithic refractories play a vital role in the repair and maintenance of ladles and tundishes in the steel industry. They provide the necessary insulation, protection, and durability required to withstand the demanding conditions of steelmaking.
- Q: How do monolithic refractories contribute to the reduction of heat loss in iron and steel plants?
- Monolithic refractories play a crucial role in reducing heat loss in iron and steel plants through their high thermal insulation properties. These refractories are designed to withstand extreme temperatures and provide excellent resistance to thermal shock and erosion. By lining the walls, roofs, and floors of various equipment and structures in the plants, monolithic refractories help to create a barrier that prevents heat from escaping into the surrounding environment. This insulation not only conserves energy but also ensures efficient heat transfer within the plant, leading to improved productivity and cost-effectiveness.
- Q: Can monolithic refractories be used for the lining of continuous casting tundishes and molds?
- Indeed, tundishes and molds used in continuous casting can utilize monolithic refractories for their lining. These refractories consist of a single, uniform structure, in contrast to traditional refractories that are composed of multiple bricks or tiles. The utilization of monolithic refractories offers various advantages in the lining of tundishes and molds during continuous casting procedures. Firstly, their monolithic nature allows for convenient installation and repair, as they can be cast or gunned into place, eliminating the need for intricate brickwork. Consequently, this reduces downtime and enhances productivity. Furthermore, monolithic refractories demonstrate exceptional resistance to thermal shock, which is critical for tundishes and molds that undergo rapid and extreme temperature fluctuations throughout the casting process. Their high thermal conductivity additionally ensures efficient heat transfer, facilitating uniform cooling and solidification of the cast metal. Additionally, monolithic refractories exhibit commendable resistance to chemical attack, ensuring prolonged performance even in the presence of molten metal and slag. Their low porosity further prevents metal penetration and the formation of cracks or spalling. In summary, monolithic refractories are a practical and efficient choice for lining continuous casting tundishes and molds, offering superior performance, ease of installation, and durability in the demanding conditions of the casting process.
- Q: How do monolithic refractories mitigate heat loss in iron and steel operations?
- Monolithic refractories possess unique properties and composition that make them highly effective in reducing heat loss in iron and steel operations. Unlike other refractories, monolithic ones are made from a single, continuous material, making them resistant to cracks and gaps that could potentially allow heat to escape. One major advantage of monolithic refractories lies in their exceptional thermal conductivity and insulation properties. With their low thermal conductivity, they are able to effectively limit the transfer of heat from hot areas to cooler surroundings. This insulation characteristic helps maintain high temperatures within iron and steel operations, resulting in reduced heat loss to the environment. Another contributing factor to heat loss mitigation is the ability of monolithic refractories to form a tight seal with the metal structures they are applied to. They adhere well to surfaces and fill in any gaps or irregularities, creating a solid barrier against heat loss. By minimizing the possibility of heat escaping, these refractories ensure that the energy generated within the operations is utilized effectively. Additionally, monolithic refractories exhibit high resistance to thermal shock. In the iron and steel industry, rapid temperature fluctuations are common, which can lead to material deterioration and cracks. However, monolithic refractories possess the ability to withstand these temperature changes without compromising their structural integrity. This guarantees the longevity and effectiveness of the refractories in mitigating heat loss. In summary, monolithic refractories play a vital role in reducing heat loss in iron and steel operations through their excellent insulation, ability to form a tight seal, and resistance to thermal shock. These properties enable them to maintain high temperatures, optimize energy utilization, and enhance overall process efficiency.
- Q: How are monolithic refractories different from traditional refractory bricks?
- Monolithic refractories refer to a type of refractory material that is composed of a single, homogeneous structure, as opposed to traditional refractory bricks which are made by binding individual bricks together. This fundamental difference in structure leads to several distinctions between monolithic refractories and traditional refractory bricks. Firstly, monolithic refractories offer greater flexibility and versatility in terms of shape and installation. Since they are not bound by individual bricks, monolithic refractories can be easily molded and shaped to fit specific applications and complex geometries. This makes them ideal for lining various types of furnaces, kilns, and other high-temperature equipment. Secondly, monolithic refractories typically have superior thermal shock resistance compared to traditional refractory bricks. Their uniform structure allows for better distribution of heat, minimizing the risk of thermal stress and cracking. This characteristic makes monolithic refractories particularly suitable for applications with rapid temperature fluctuations or severe thermal cycling. Additionally, monolithic refractories often exhibit better overall performance in terms of strength, mechanical properties, and resistance to chemical attack. The absence of joints and seams in monolithic refractories eliminates potential weak points, resulting in a more durable and reliable lining. Moreover, the homogeneous structure of monolithic refractories provides better resistance to corrosive agents, ensuring prolonged service life in harsh environments. Lastly, monolithic refractories offer advantages in terms of installation and maintenance. Their monolithic nature simplifies the installation process, reducing labor and time requirements. Additionally, repairs and maintenance of monolithic refractories can be carried out more easily and cost-effectively compared to traditional refractory bricks, which may require the replacement of entire sections or bricks. In summary, monolithic refractories differ from traditional refractory bricks in their structure, flexibility, thermal shock resistance, performance, and installation characteristics. These differences make monolithic refractories a preferred choice in many high-temperature applications, offering improved efficiency, durability, and ease of use.
- Q: How do monolithic refractories contribute to the reduction of emissions in iron and steel plants?
- Monolithic refractories play a crucial role in reducing emissions in iron and steel plants by providing various benefits and solutions to the environmental challenges faced by these industries. Firstly, monolithic refractories are used to line the high-temperature zones of furnaces, such as blast furnaces and electric arc furnaces, that are integral to the iron and steel production processes. These refractories have excellent thermal insulation properties, which help to minimize heat loss and improve energy efficiency. By reducing heat loss, less fuel is required to maintain the desired temperature, resulting in lower energy consumption and subsequently lower emissions. Furthermore, monolithic refractories also contribute to emissions reduction by enhancing the combustion process. They are designed to resist thermal shock and withstand extreme temperatures, ensuring that the furnaces operate at optimal conditions. This, in turn, leads to more efficient combustion of fuels and raw materials, reducing the release of harmful gases and pollutants into the atmosphere. In addition to their thermal properties, monolithic refractories also possess excellent resistance to chemical attacks and corrosion. This is particularly important in iron and steel plants, where aggressive substances such as molten metal, slag, and gases are present. By providing a protective lining, these refractories prevent the degradation of furnace walls and other equipment, reducing the risk of leaks and emissions. Moreover, monolithic refractories are often used in the construction of pollution control devices, such as flue gas desulfurization systems and baghouses. These systems are designed to capture and remove pollutants from the flue gases generated during iron and steel production. The use of refractories in these applications ensures the durability and longevity of these systems, allowing them to operate efficiently and effectively in reducing emissions. Overall, monolithic refractories contribute significantly to emissions reduction in iron and steel plants through improved energy efficiency, enhanced combustion, corrosion resistance, and support for pollution control systems. By implementing these refractories, the industry can minimize its environmental footprint and move towards more sustainable and responsible production processes.
- 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: What are the factors to consider when selecting monolithic refractories for specific applications?
- When selecting monolithic refractories for specific applications, several factors need to be considered. These include the operating temperature, chemical composition of the material being processed, mechanical stresses, thermal cycling, and the presence of any corrosive or erosive agents. Additionally, the refractory's thermal conductivity, porosity, density, and its ability to resist thermal shock and spalling are crucial factors to take into account. The availability and cost of the refractory material, as well as the installation and maintenance requirements, should also be considered during the selection process.
- Q: What are the specific requirements of monolithic refractories for ladle transfer applications?
- Monolithic refractories used in ladle transfer applications have specific requirements to ensure their effectiveness and durability. These requirements are essential for maintaining the integrity of the ladle lining and preventing any issues during the transfer process. Firstly, monolithic refractories for ladle transfer applications must have excellent thermal shock resistance. Ladles are subjected to extreme temperature changes during the transfer process, and the refractories must be able to withstand rapid heating and cooling without cracking or spalling. This property helps to prevent any damage to the lining and maintains the structural integrity of the ladle. Secondly, ladle transfer applications require monolithic refractories with high resistance to chemical attack. Ladles often come into contact with various molten metals and slag, which can have corrosive properties. The refractories must be able to withstand these corrosive environments and maintain their physical and chemical properties over time. Another important requirement is good mechanical strength. Ladles can experience significant mechanical stress during the transfer process, including impacts and vibrations. Therefore, the monolithic refractories need to have sufficient strength to resist these mechanical forces and prevent any cracking or failure in the lining. Furthermore, ladle transfer applications often involve the use of fluxes and additives, which can have different physical properties. The refractories used must have compatibility with these fluxes and additives to ensure proper performance and avoid any adverse reactions that could affect the ladle's lining. Lastly, monolithic refractories for ladle transfer applications should have low porosity. Low porosity helps to minimize the penetration of molten metal and slag into the refractory lining, reducing the risk of erosion and extending the service life of the refractories. In summary, the specific requirements of monolithic refractories for ladle transfer applications include excellent thermal shock resistance, high resistance to chemical attack, good mechanical strength, compatibility with fluxes and additives, and low porosity. By meeting these requirements, the refractories can effectively withstand the harsh conditions of ladle transfer and ensure the longevity and performance of the ladle lining.
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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