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 can the lifespan of monolithic refractories be extended in the iron and steel industry?
- The lifespan of monolithic refractories in the iron and steel industry can be extended through various measures. Firstly, proper installation and maintenance of the refractories is crucial. This includes ensuring that the refractories are correctly shaped and sized to fit the specific application, as well as using appropriate installation techniques and materials. Regular inspections should be conducted to identify any signs of wear or damage, and immediate repairs or replacements should be carried out to prevent further deterioration. Secondly, implementing effective heat management practices can significantly prolong the lifespan of monolithic refractories. This involves monitoring and controlling the temperature gradients within the refractory lining to prevent thermal shock and excessive thermal cycling. Adequate insulation and cooling systems should also be in place to maintain a stable and controlled environment. Furthermore, proper handling and operation of the equipment and processes can contribute to extending the refractory lifespan. Avoiding sudden temperature changes, minimizing mechanical stress and impact, and employing appropriate operating procedures can help reduce the wear and tear on the refractories. Additionally, utilizing advanced refractory materials and technologies can enhance the lifespan of monolithic refractories. The development and use of high-performance and specialized refractories, such as advanced ceramics or specialized coatings, can provide increased resistance to thermal and chemical degradation, ultimately extending their lifespan. Lastly, continuous research and development efforts should be undertaken to explore innovative solutions for refractory longevity in the iron and steel industry. Collaborating with suppliers, experts, and industry partners can help identify and implement new technologies and techniques that can improve the durability and performance of monolithic refractories. In summary, extending the lifespan of monolithic refractories in the iron and steel industry requires a combination of proper installation and maintenance, effective heat management, careful handling and operation, utilization of advanced materials, and ongoing research and development. By implementing these strategies, the iron and steel industry can optimize refractory performance and reduce downtime and costs associated with frequent replacements.
- 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:What are the typical applications of monolithic refractories in the iron and steel industry?
- Various applications within the iron and steel industry widely utilize monolithic refractories. These refractories, composed of a single material, offer numerous advantages including easy installation, thermal shock resistance, and excellent resistance to chemical attacks. Below are some typical applications of monolithic refractories in the iron and steel industry: 1. Blast Furnace: In blast furnaces, monolithic refractories line the interior and endure extreme temperatures and chemical reactions. They provide thermal insulation, prevent erosion, and resist the corrosive effects of molten iron and slag. 2. Ladles and Tundishes: Monolithic refractories line ladles and tundishes, vessels used for transporting and transferring molten metal. These refractories offer effective thermal insulation and resistance to erosion and chemical attacks, ensuring the integrity of the vessels. 3. Steelmaking Converters: Converters, essential in the steelmaking process to convert molten pig iron into steel, utilize monolithic refractories. These refractories provide protection against high temperatures and aggressive chemical environments encountered during the process. 4. Electric Arc Furnaces (EAF): Monolithic refractories line the walls and roofs of EAFs, used to recycle scrap steel by melting it. These refractories offer outstanding thermal insulation, resistance to slag erosion, and thermal shock resistance, ensuring the longevity and efficiency of the furnace. 5. Continuous Casting: Monolithic refractories find employment in the continuous casting process, where molten steel solidifies into a continuous slab or billet. These refractories line the walls and floors of the casting molds, providing thermal insulation and resistance to chemical attacks from the molten steel. 6. Reheating Furnaces: Monolithic refractories are used in reheating furnaces, which heat steel billets or ingots prior to further processing. These refractories provide insulation, high-temperature resistance, and ensure uniform heating of the metal. Overall, monolithic refractories play a crucial role in the iron and steel industry by providing reliable and durable linings in various applications. Their ability to withstand extreme temperatures, chemical attacks, and thermal shocks makes them indispensable for maintaining the integrity and efficiency of the production processes.
- Q:What are the specific requirements of monolithic refractories for soaking pit applications?
- The specific requirements of monolithic refractories for soaking pit applications are primarily aimed at withstanding high temperatures and thermal cycling, as well as providing excellent resistance to chemical attacks and mechanical stresses. Firstly, monolithic refractories used in soaking pits need to have a high temperature resistance capability, as these pits are subjected to extreme heat conditions. They should be able to withstand continuous exposure to temperatures exceeding 1500 degrees Celsius without any significant degradation. This is crucial to ensure the longevity and durability of the refractories. Secondly, thermal cycling is a common occurrence in soaking pit applications. The refractories should possess good thermal shock resistance to handle rapid changes in temperature. This prevents cracking and spalling, which can compromise the integrity of the refractories. Chemical attacks are also a concern in soaking pit applications due to the presence of molten metal, slag, and other corrosive substances. The refractories used should have excellent chemical resistance to prevent erosion and chemical reactions. They should be able to resist the corrosive effect of molten metal and slag, as well as any potential chemical reactions with these substances. Furthermore, soaking pits involve mechanical stresses, such as abrasion and impact, due to the handling and movement of metal ingots. The monolithic refractories must have good mechanical strength and abrasion resistance to withstand these stresses. They should be able to resist wear and tear caused by the movement of heavy loads and prevent any mechanical failure. Lastly, the refractories used in soaking pits should have good workability and ease of installation. This allows for efficient and effective lining of the pit, ensuring a proper seal and minimizing any gaps or cracks that could lead to heat loss or chemical penetration. Overall, the specific requirements of monolithic refractories for soaking pit applications revolve around high temperature resistance, thermal shock resistance, chemical resistance, mechanical strength, and ease of installation. Meeting these requirements ensures the refractories can withstand the harsh conditions of soaking pits and maintain their performance and integrity over an extended period.
- Q:What are the common manufacturing processes used for monolithic refractories?
- Monolithic refractories are commonly manufactured using the following processes: 1. Mixing: The initial step involves accurately measuring and combining the raw materials to create a uniform mixture. 2. Wetting: The mixture is then moistened with water or a liquid binder to enhance its workability and plasticity, facilitating shaping and molding. 3. Forming: Various techniques such as casting, gunning, ramming, or extrusion are employed to shape the wet mixture. Casting entails pouring it into a mold, gunning involves spraying it onto a surface, ramming compacts it using a tool, and extrusion forces it through a die to create specific shapes. 4. Drying: The formed monolithic refractory is dried in a controlled environment with specific temperature and humidity conditions to eliminate excess moisture, preventing cracks or warping. 5. Firing: The dried monolithic refractory is then subjected to high temperatures to achieve the desired properties. This process, known as sintering, promotes particle bonding, increasing the material's strength and stability. 6. Finishing: Following the firing process, additional finishing processes like grinding, polishing, or coating may be employed to enhance the surface quality and overall performance of the monolithic refractory. By employing these standard manufacturing procedures, high-quality monolithic refractories with consistent properties and performance characteristics are produced.
- Q:How do monolithic refractories withstand the mechanical impacts in ladle lip applications?
- Monolithic refractories are able to withstand mechanical impacts in ladle lip applications due to their high density, strength, and resistance to thermal shock. These refractories are designed to have excellent impact resistance, preventing any cracks or fractures from occurring when the ladle is being handled or poured. Additionally, they have a high refractoriness, ensuring that they can withstand the extreme temperatures experienced during the metal pouring process.
- Q:Can monolithic refractories be used for the lining of reheating furnaces and walking beam furnaces?
- Yes, monolithic refractories can be used for the lining of reheating furnaces and walking beam furnaces. Monolithic refractories are versatile and can be shaped to fit the specific requirements of these furnaces. They offer excellent thermal insulation, high temperature resistance, and durability, making them suitable for withstanding the extreme conditions within these furnaces. Additionally, monolithic refractories can be easily installed, repaired, and replaced, making them a practical choice for lining these types of furnaces.
- Q:How do monolithic refractories withstand thermal cycling in the iron and steel industry?
- Monolithic refractories are designed to withstand thermal cycling in the iron and steel industry due to their unique composition and properties. These refractories are made from a single, continuous material, unlike traditional refractory bricks that are made by stacking individual bricks together. One of the main reasons monolithic refractories are able to withstand thermal cycling is their ability to expand and contract without cracking or damage. This is due to their high thermal shock resistance, which is a measure of their ability to withstand rapid temperature changes. Monolithic refractories are specially formulated to have low thermal conductivity, allowing them to resist the transfer of heat and minimize thermal gradients within the material. In addition, monolithic refractories have excellent thermal stability, which means they can maintain their structural integrity and mechanical strength even at high temperatures. This is crucial in the iron and steel industry, where temperatures can reach extreme levels. The refractories are able to withstand repeated heating and cooling cycles without undergoing significant structural changes or degradation. Furthermore, monolithic refractories have good corrosion resistance, which is important in an environment where they come into contact with molten metal and various chemical agents. Their composition and special additives help to protect the refractory material from chemical attack, preventing erosion and prolonging their lifespan. The manufacturing process of monolithic refractories allows for easy installation and repair, as they can be applied as a liquid or a semi-liquid mixture. This reduces the risk of joints or weak points that could lead to thermal stress or failure during thermal cycling. Overall, the combination of high thermal shock resistance, low thermal conductivity, excellent thermal stability, corrosion resistance, and easy installation makes monolithic refractories highly durable and capable of withstanding the severe thermal cycling conditions in the iron and steel industry.
- Q:How do monolithic refractories enhance the efficiency of reheating furnaces?
- Monolithic refractories play a crucial role in enhancing the efficiency of reheating furnaces in several ways. Firstly, monolithic refractories offer excellent thermal insulation properties, which minimize heat losses from the furnace. This insulation helps to maintain a high and consistent temperature inside the furnace, reducing the need for excessive fuel consumption and improving energy efficiency. Secondly, monolithic refractories have high thermal conductivity, which allows for efficient heat transfer within the furnace. This means that the heat generated by the burners can be evenly distributed throughout the furnace, ensuring uniform heating of the materials being reheated. This uniform heating not only enhances the overall efficiency but also helps to prevent hot spots or cold spots, which can negatively impact the quality of the reheated products. Moreover, monolithic refractories have excellent resistance to thermal shock and mechanical stress. Reheating furnaces often undergo rapid temperature changes and are subjected to intense mechanical forces due to the movement of materials and the operation of various equipment. The use of monolithic refractories helps to prevent cracks, spalling, and other forms of refractory damage, thus ensuring the longevity and continuous operation of the furnace without interruptions for repairs. Additionally, monolithic refractories offer ease of installation, repair, and maintenance compared to traditional brick refractories. Their ability to be cast or sprayed onto the furnace lining allows for a more precise and seamless installation, reducing the risk of weak joints or gaps that could compromise the furnace's efficiency. Furthermore, in case of any damage or wear, monolithic refractories can be easily repaired or patched up, minimizing downtime and improving the overall productivity of the furnace. In summary, the use of monolithic refractories in reheating furnaces enhances efficiency by providing effective thermal insulation, facilitating uniform heat distribution, resisting thermal shock and mechanical stress, and allowing for easier installation and maintenance. These benefits contribute to lower energy consumption, improved product quality, increased furnace durability, and reduced operational costs.
- Q:How do monolithic refractories perform in aluminum holding furnace applications?
- Monolithic refractories have proven to be highly efficient and effective in aluminum holding furnace applications. These refractories are specifically designed to withstand the extreme temperatures and chemical environments encountered in these furnaces. One key advantage of monolithic refractories is their ability to form a continuous, seamless lining in the furnace. This eliminates the need for individual bricks or tiles, reducing the risk of thermal shock and cracking. The absence of joints also minimizes the chances of molten aluminum leaking through the lining, ensuring better containment and heat retention. Monolithic refractories also offer excellent thermal insulation properties, which are crucial in aluminum holding furnaces. They have low thermal conductivity, which helps to reduce heat loss and maintain a stable temperature within the furnace. This results in improved energy efficiency and reduced operating costs. Moreover, monolithic refractories have excellent resistance to corrosion and chemical attack from molten aluminum and its by-products, such as dross and fluxes. This resistance ensures a longer service life for the refractory lining, reducing maintenance and downtime. Additionally, monolithic refractories are known for their easy installation and repair. They can be installed quickly and easily, requiring minimal downtime for furnace maintenance. In case of any localized damage or wear, repairs can be made efficiently by patching or spraying the affected area. In summary, monolithic refractories are an ideal choice for aluminum holding furnace applications due to their seamless lining, thermal insulation properties, resistance to corrosion, and easy installation and repair. These refractories significantly contribute to the overall performance and efficiency of aluminum holding furnaces.
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 |
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|---|---|
| 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 |
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|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| 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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