Monolithic Refractories for Iron and Steel Industry:Refractory Magnesia Carbon Taphole Bricks for BOF
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 50000 set/month
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refractory Magnesia carbon taphole bricks for bof
Application unique channel for Pouring steel water from converter
or EAF to ladle
Raw material 99% Large crystal bone material, 599 flake graphite as
binder CaB6 the additive
performance Convenient for changing and construct
Eliminate the steel water leaking from tap hole , improve the safe
ratio apparently
deduct the oxidizing secondly for the steel water
raise the quality of the steel water
much longer service life
( 200 times on converter continue working 25 hours)
Perfect thermal shock ability ,can resist the extreme cold
and hot
Dense structure ,high resistance for washing and erosion
excellent resistance for oxidizing slag and spalling
high refractoriness
Wonderful sinter ability, and adhesion
Specification:
specification | Item | Number |
Chemical | MgO | ≥78% |
C | ≥12% | |
physical | CCS | ≥30MPa |
AP | ≤ 5% | |
BD | ≥2.9g/cm3 | |
Refractoriness | 1500°C-1600°C |
Our Services
Construction To install
Packaging & Shipping
Packing inside: plastic bag
outside: wood carton for sea worthy
FAQ
Store under the room temperature.
for half a year
Pay attention to To be dry ,no hitting
- Q:What are the factors affecting the thermal conductivity of monolithic refractories?
- The factors affecting the thermal conductivity of monolithic refractories include the composition and structure of the refractory material, the porosity and density of the material, the presence of any impurities or defects, the temperature at which the material is being used, and the presence of any external factors such as pressure or moisture.
- Q:How do monolithic refractories enhance the performance of ladle and tundish purging systems?
- Monolithic refractories enhance the performance of ladle and tundish purging systems by providing high thermal insulation, excellent erosion resistance, and increased durability. These refractories help maintain the desired temperature in the ladle and tundish, ensuring optimal conditions for purging operations. Additionally, their erosion resistance properties prevent excessive wear and tear, extending the lifespan of the purging systems. Overall, monolithic refractories play a crucial role in enhancing the efficiency and effectiveness of ladle and tundish purging systems.
- Q:How do monolithic refractories perform in high-temperature environments?
- Monolithic refractories perform exceptionally well in high-temperature environments due to their ability to withstand extreme heat without significant deformation or structural damage. They exhibit excellent thermal conductivity, resistance to thermal shock, and maintain their strength and integrity even at elevated temperatures. This makes them ideal for applications such as kilns, furnaces, and other industrial processes where consistent and reliable performance at high temperatures is crucial.
- Q:What are the specific requirements of monolithic refractories for ladle transfer applications?
- To ensure the effectiveness and durability of monolithic refractories used in ladle transfer applications, specific requirements must be met. These requirements are crucial for maintaining the integrity of the ladle lining and preventing any issues during the transfer process. Firstly, it is essential for monolithic refractories designed for ladle transfer applications to possess excellent thermal shock resistance. Ladles undergo extreme temperature changes during the transfer process, and the refractories must be capable of withstanding rapid heating and cooling without developing cracks or spalling. This property serves to prevent any damage to the lining and preserves the structural integrity of the ladle. Secondly, ladle transfer applications necessitate monolithic refractories that exhibit high resistance to chemical attack. Ladles often come into contact with various molten metals and slag, which can possess corrosive properties. The refractories must be able to endure these corrosive environments and maintain their physical and chemical properties over time. Another crucial requirement is good mechanical strength. Ladles can experience significant mechanical stress during the transfer process, including impacts and vibrations. Therefore, the monolithic refractories must possess sufficient strength to resist these mechanical forces and prevent any cracking or failure within the lining. Furthermore, ladle transfer applications frequently involve the use of fluxes and additives, which can possess different physical properties. The refractories used must be compatible with these fluxes and additives to ensure proper performance and avoid any adverse reactions that could impact the lining of the ladle. Lastly, monolithic refractories designed for ladle transfer applications should exhibit low porosity. Low porosity helps to minimize the penetration of molten metal and slag into the refractory lining, thereby reducing the risk of erosion and extending the service life of the refractories. In summary, the specific requirements for monolithic refractories in 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 endure the harsh conditions of ladle transfer and ensure the longevity and performance of the ladle lining.
- Q:How do monolithic refractories contribute to the safety of iron and steel operations?
- Monolithic refractories play a crucial role in enhancing the safety of iron and steel operations. These refractories are made of a single, continuous material, which offers several benefits that contribute to the overall safety of the operations. Firstly, monolithic refractories provide excellent thermal insulation. They are designed to withstand high temperatures, preventing heat transfer to the surrounding environment. This insulation property helps in maintaining a safe working temperature for the operators, reducing the risk of burns or other heat-related injuries. Furthermore, monolithic refractories have high resistance to chemical attack. In iron and steel operations, various chemicals and molten metals are used, which can be corrosive and hazardous. The use of monolithic refractories as lining materials creates a protective barrier that resists the corrosive effects of these substances, preventing leaks and potential accidents. Another safety benefit is the ability of monolithic refractories to withstand mechanical stress. Steelmaking processes involve heavy machinery and equipment, which can exert significant pressure on the refractory linings. Monolithic refractories have excellent mechanical strength, which enables them to withstand these stresses and maintain their integrity. This prevents the risk of sudden failure or collapse, reducing the possibility of accidents and injuries due to falling debris. Additionally, monolithic refractories offer easy installation and repair. They can be applied as a castable or gunning material, allowing for quick and efficient lining of furnaces, ladles, and other equipment. This ease of installation reduces downtime during maintenance or repairs, minimizing the risk of accidents caused by delayed or prolonged shutdowns. In summary, monolithic refractories contribute to the safety of iron and steel operations through their excellent thermal insulation, resistance to chemical attack, ability to withstand mechanical stress, and ease of installation and repair. By providing a protective barrier, these refractories help in preventing injuries, maintaining a safe working environment, and minimizing the potential hazards associated with high temperatures, corrosive substances, and mechanical failures.
- Q:How do monolithic refractories perform in rotary kiln applications?
- Due to their unique properties and characteristics, monolithic refractories prove highly effective in rotary kiln applications. Unlike traditional brick and mortar refractories, these refractories are designed to be installed as a single, solid unit. One of the primary advantages of monolithic refractories in rotary kilns is their incredible ability to withstand high temperatures and thermal stresses. Operating at temperatures as high as 3000 degrees Fahrenheit, rotary kilns subject refractories to extreme conditions. However, monolithic refractories excel in handling such temperatures without cracking or failing, ensuring the longevity and reliability of the kiln. Another crucial performance aspect of monolithic refractories in rotary kilns is their resistance to chemical attack. Industries like cement production often employ rotary kilns, where the materials being processed can be highly corrosive. Monolithic refractories offer excellent protection against chemical attack, safeguarding the kiln from deterioration and extending its service life. Moreover, monolithic refractories are renowned for their exceptional thermal conductivity and insulation properties. This aids in maintaining consistent and efficient heat transfer within the kiln, thereby enhancing the overall energy efficiency of the process. Furthermore, the installation of monolithic refractories in rotary kilns is relatively quick and straightforward compared to traditional brick and mortar refractories. The monolithic materials can be cast or gunned into place, creating a seamless lining that eliminates the need for individual bricks and mortar joints. This not only saves time during installation but also minimizes the potential for weak points or gaps in the lining, guaranteeing a more durable and effective refractory system. In conclusion, monolithic refractories offer outstanding performance in rotary kiln applications. Their ability to withstand high temperatures, resist chemical attack, provide efficient heat transfer, and offer easy installation make them the preferred choice for industries relying on rotary kilns in their production processes.
- Q:How can the lifespan of monolithic refractories be extended in the iron and steel industry?
- The lifespan of monolithic refractories can be extended in the iron and steel industry through proper installation, regular maintenance, and implementing effective refractory management practices. This includes using high-quality refractory materials, ensuring precise installation techniques, monitoring and controlling operating conditions, conducting regular inspections, and promptly addressing any signs of wear or damage. Additionally, optimizing heating and cooling cycles, implementing appropriate refractory lining designs, and incorporating advanced technologies can further enhance the longevity of monolithic refractories in this industry.
- Q:What are the factors influencing the choice of monolithic refractories for different furnace types?
- The choice of monolithic refractories for different furnace types is influenced by various factors that need to be considered in order to ensure optimal performance and efficiency. These factors include the operating temperature, type of heat transfer mechanism, chemical composition of the furnace atmosphere, thermal cycling, mechanical stresses, and specific application requirements. One of the primary factors to consider is the operating temperature of the furnace. Different monolithic refractories have different temperature limits, and it is crucial to select a refractory material that can withstand the specific temperature range of the furnace without significant degradation or failure. For high-temperature applications, materials like alumina, magnesia, and silica are commonly used due to their excellent thermal stability. The type of heat transfer mechanism is another important consideration. Furnaces can use various methods to transfer heat, such as radiation, conduction, or convection. Each of these mechanisms may require different refractory properties. For example, radiation-dominated furnaces may require a refractory material with high thermal conductivity to efficiently transfer heat, while convection-dominated furnaces may require a material with good resistance to gas flow erosion. The chemical composition of the furnace atmosphere is also a crucial factor. Depending on the process being carried out in the furnace, the atmosphere may contain highly corrosive gases or chemicals. In such cases, it is essential to select a monolithic refractory that is resistant to chemical attack and can maintain its structural integrity in the presence of aggressive substances. Thermal cycling, which involves repeated heating and cooling cycles, is another factor influencing the choice of monolithic refractories. Some refractory materials may be prone to thermal shock or spalling when subjected to rapid temperature changes. In contrast, others may have better resistance to thermal cycling, making them more suitable for applications that involve frequent temperature variations. Mechanical stresses, such as load or vibration, can also impact the choice of refractories. Furnaces that experience mechanical stresses require materials with good mechanical strength and resistance to abrasion. Refractory materials like silicon carbide or zirconia may be preferred in such cases due to their high strength and toughness. Lastly, specific application requirements should be considered when selecting monolithic refractories. Factors such as installation method, ease of maintenance, availability, and cost-effectiveness may influence the choice of refractory material. In summary, the choice of monolithic refractories for different furnace types is influenced by the operating temperature, heat transfer mechanism, chemical composition of the furnace atmosphere, thermal cycling, mechanical stresses, and specific application requirements. Considering these factors is essential to ensure the longevity, performance, and efficiency of the refractory lining in various furnace applications.
- Q:How do monolithic refractories improve the performance and efficiency of iron and steel production?
- Improved performance and efficiency in iron and steel production are achieved through the utilization of monolithic refractories. These specialized materials are designed to withstand extreme temperatures, chemical reactions, and mechanical stresses, making them ideal for high-temperature industrial processes. A key contribution of monolithic refractories is their ability to provide a protective lining for furnaces, kilns, and other equipment used in iron and steel production. Their superior heat resistance ensures that the underlying structure is shielded from the intense heat, preventing any detrimental effects on the equipment. This results in reduced downtime, extended service life, and ultimately, enhanced overall efficiency. Furthermore, monolithic refractories play a crucial role in improving thermal efficiency during the production process. By minimizing heat losses, these materials help maintain a stable and uniform temperature distribution, thereby enhancing the energy efficiency of the system. Precise temperature control is of utmost importance in iron and steel production to achieve the desired metallurgical properties of the final product. Additionally, monolithic refractories exhibit excellent resistance to chemical corrosion, erosion, and slag attacks. They act as a barrier between the molten metal and the refractory lining, preventing unwanted reactions and material degradation. This preserves the integrity of the furnace lining, reducing the need for frequent repairs or replacements. Consequently, it leads to increased productivity and long-term cost savings. Moreover, the ease with which monolithic refractories can be shaped, repaired, or replaced is another advantage. Unlike traditional brick refractories, which require labor-intensive and time-consuming installation, monolithic refractories offer a more flexible and efficient application. Their flexible nature allows for easy repair of damaged areas, minimizing downtime and ensuring uninterrupted production. In summary, the utilization of monolithic refractories significantly enhances the performance and efficiency of iron and steel production. These materials provide a protective lining, improve thermal efficiency, resist chemical corrosion, and offer easy installation and repair options. By optimizing the production process, monolithic refractories contribute to higher productivity, reduced downtime, and increased cost-effectiveness in the iron and steel industry.
- Q:How can the lifespan of monolithic refractories be extended?
- There are several measures that can be taken to extend the lifespan of monolithic refractories. To begin with, it is essential to ensure their proper installation. This involves following the guidelines provided by the manufacturer, using appropriate equipment and techniques, and ensuring correct curing and drying processes. By installing them correctly, the monolithic refractories become better equipped to withstand thermal stresses and chemical attacks, thus prolonging their lifespan. Regular maintenance is also crucial in extending the lifespan of monolithic refractories. This includes conducting routine inspections to identify any signs of wear, erosion, or cracking. Timely repairs or replacements should be carried out to prevent further damage. Moreover, applying protective coatings or sealants can help reduce erosion and chemical attacks, thereby enhancing the refractories' longevity. Another important aspect is implementing effective operating practices. This involves maintaining optimal operating conditions, such as controlling temperature fluctuations, to minimize thermal shocks and reduce the risk of spalling or cracking. Proper material selection is also key, as using refractories specifically designed for the intended application can increase their resistance to chemical attacks and extend their lifespan. Furthermore, ensuring proper handling and storage of monolithic refractories is essential. They should be stored in a dry, clean environment, away from moisture and extreme temperatures, to prevent premature degradation. Careful handling should be exercised, avoiding excessive impact or rough treatment that could cause damage. Lastly, it is beneficial to seek guidance from experienced professionals or consult refractory suppliers. Their expertise can provide valuable insights and guidance on best practices for extending the lifespan of monolithic refractories. By making informed decisions regarding installation, maintenance, and operating practices, the refractories' lifespan can be maximized and their performance optimized.
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Monolithic Refractories for Iron and Steel Industry:Refractory Magnesia Carbon Taphole Bricks for BOF
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 50000 set/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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