Monolithic Refractories for Iron and Steel Industry - Refractory Tundish Upper Nozzle and Collect Nozzle
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 50000 set/month
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Description:
Steelmaking tundish upper nozzle is an kind of quickchange nozzle,used together with tundish collect nozzle which produced by topcahse, with high purity zr 95% for steel continuous casting process
tundish nozzle is one kind of refractory alumina-zirconia-cartbon brick which are used for control the molten
steel in steel casting .we called is composite zirconia tundish nozzle
| Al2O3 % | Fe2O3 % | SiO2 % | TiO2 % | ZrO2 % | CaO % | MgO % | LOI % | Density g/cm³ | Proosity | fraclure strength Mpa | Application | |
| Body | 53.28 | 0.91 | 14.48 | 1.41 | 30.59 | 2.42 | 14.3 | 8.4 | general | |||
| Bowl struclure | 86.61 | 0.43 | 0.77 | 0.33 | 11.11 | 2.85 | 17.7 | 6.73 | general | |||
| Bowl struclure | 71.43 | 0.91 | 10.65 | 10.95 | 2.78 | 16.3 | 14.5 | Bowl struclure with serious corrosion | ||||
| Body | 63.15 | 1.51 | 6.83 | 0.87 | 3.25 | 22.13 | 2.6 | 16.24 | 8.67 | Inner part with serious corrosion | ||
| Liner | 64.1 | 0.81 | 4.06 | 4.94 | 0.12 | 0.32 | 22.5 | 2.4 | 16.7 | 7.2 | General anti-blocking | |
| Liner | 0.55 | 4.65 | 52 | 19.2 | 0.3 | 22.3 | 2.45 | 16.3 | 8.6 | High standard anti-blocking | ||
| Liner | 52.9 | 13.9 | 0.07 | 21 | 12.1 | 2.51 | 18.71 | 6 | Low carbon | |||
| Bowl struclure | 15.1 | 8.95 | 0.29 | 1.56 | 56.8 | 17.3 | 2.59 | 16.7 | 7.8 | Slag Containing |
Manufacturing and QC
1.Raw materials blending
Independent raw materials blending center to assurestrict control of materials quality.
2.Shaping
Isostatic pressing technoloty,with as 1000 tons of pressure to assure the homogenous bulk density of each product.
3.Machining
To assure the uniform shape,dimension and dimension tolerance of each product.
4.X-ray defect inspection
To assure all products supplied to our customers without any defect and to prevent the un-countable feconomic loss for our customers.
5.Physical and chemistry analysis
To assure all products meet the physical and chemistry characteristics.
6.Packaging
The world-class for packaging to assure the safety transportation.
- Q: How do monolithic refractories impact the quality of iron and steel products?
- Monolithic refractories play a crucial role in influencing the quality of iron and steel products. These refractories are widely used in the lining of furnaces and other high-temperature environments where iron and steel are processed. Firstly, monolithic refractories provide insulation and protect the lining of the furnace from the extreme heat generated during the iron and steel manufacturing process. By maintaining the desired temperature, these refractories ensure the proper and consistent heating of the metal, which is essential for achieving the desired product quality. Without adequate insulation, the heat loss would be significant, leading to inefficient energy consumption and inconsistent product quality. Secondly, monolithic refractories have a significant impact on the overall cleanliness of the iron and steel. During the production process, impurities and slag are formed, which can contaminate the metal if not properly managed. Refractories with high resistance to slag penetration and corrosion prevent these impurities from infiltrating the metal, ensuring a cleaner and purer final product. Furthermore, monolithic refractories also contribute to the mechanical strength and durability of the furnace lining. The lining needs to withstand the harsh conditions and repeated thermal shocks encountered during the iron and steel production process. A strong and well-designed refractory lining can resist cracking, spalling, and erosion, extending the life of the furnace and minimizing the risk of downtime. In conclusion, monolithic refractories have a profound impact on the quality of iron and steel products. They provide thermal insulation, prevent contamination, and ensure the mechanical integrity of the furnace lining. By choosing the appropriate refractory material and maintaining it properly, manufacturers can optimize their production processes, increase product quality, and enhance overall operational efficiency.
- Q: How do monolithic refractories contribute to energy efficiency in iron and steel production?
- Enhancing energy efficiency in iron and steel production processes is a crucial role played by monolithic refractories. These refractories, which are unshaped materials, are utilized to line the components of furnaces, kilns, and other high-temperature equipment involved in the production of iron and steel. One method by which monolithic refractories contribute to energy efficiency is through their excellent insulation properties. These materials possess low thermal conductivity, effectively reducing heat transfer from the furnace or kiln to the surrounding environment. By minimizing heat loss, monolithic refractories aid in maintaining high temperatures within the production units, ultimately reducing the energy required to sustain the desired operating conditions. Moreover, monolithic refractories offer exceptional resistance to thermal shock and wear, ensuring the longevity of the lining materials. This durability diminishes the need for frequent repairs and replacements, resulting in less downtime and increased operational efficiency. Consequently, energy is conserved as the production units can continuously operate at optimal temperatures without interruptions. Additionally, monolithic refractories exhibit excellent resistance to chemical reactions, corrosion, and erosion caused by molten metals and slag. This resistance decreases the formation of cracks and defects in the lining, which can compromise the insulation and increase heat loss. By maintaining a robust and intact lining, monolithic refractories contribute to energy efficiency by minimizing heat escape and ensuring the efficient utilization of energy for the iron and steel production processes. Furthermore, the utilization of monolithic refractories allows for design flexibility in the construction of furnaces and kilns. Their ability to be shaped and applied in various configurations enables the creation of optimized lining structures that enhance heat transfer and combustion efficiency. This flexibility empowers engineers and operators to design and modify the production units to maximize energy efficiency and minimize energy wastage. In conclusion, monolithic refractories significantly contribute to energy efficiency in iron and steel production through their excellent insulation, durability, resistance to thermal and chemical degradation, and design flexibility. By reducing heat loss, minimizing repairs and replacements, and optimizing heat transfer, these refractories play a vital role in conserving energy and improving the overall sustainability of the iron and steel industry.
- Q: How do monolithic refractories contribute to the overall efficiency of ladles and tundishes?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of ladles and tundishes in several ways. Firstly, monolithic refractories offer superior thermal insulation, reducing heat losses and enhancing heat retention within the ladles and tundishes. This helps in maintaining the desired temperature of the molten metal for extended periods, minimizing energy consumption and ensuring consistent casting quality. Secondly, monolithic refractories provide excellent resistance to chemical corrosion and erosion from molten metals and slag, thereby extending the service life of ladles and tundishes. This reduces the frequency of refractory repairs or replacements, leading to cost savings and increased operational efficiency. Additionally, monolithic refractories can be easily installed or repaired, saving time and labor compared to traditional brick or precast refractory lining methods. This contributes to minimizing downtime during maintenance or relining activities, allowing for continuous production and maximizing overall productivity. Overall, monolithic refractories enhance the efficiency of ladles and tundishes by improving thermal insulation, increasing resistance to chemical corrosion, reducing maintenance downtime, and extending the service life of these essential equipment in the metal casting process.
- Q: What are the challenges in recycling and disposing of monolithic refractories?
- One challenge in recycling and disposing of monolithic refractories is the high temperature resistance and durability of these materials, which makes them difficult to break down and recycle. Additionally, the presence of various contaminants, such as metals and other impurities, can further complicate the recycling process. Proper disposal of monolithic refractories also poses challenges due to the potential environmental impact of disposing of these materials, as they may contain hazardous substances. Therefore, finding efficient and environmentally-friendly methods for recycling and disposing of monolithic refractories remains a challenge in the industry.
- Q: What are the main applications of monolithic refractories in the iron and steel industry?
- Monolithic refractories are widely used in the iron and steel industry for various applications such as lining furnaces, ladles, and tundishes. They provide excellent thermal insulation, high resistance to thermal shock, and resistance to chemical reactions with molten metal. These refractories help in maintaining consistent temperature and reducing heat loss, thereby ensuring efficient and cost-effective production processes in the iron and steel industry.
- Q: How do monolithic refractories withstand high temperatures and thermal shocks?
- Due to their unique composition and design, monolithic refractories possess the ability to endure high temperatures and thermal shocks. These refractories, referred to as "monolithic" due to their single-piece or structured form, can withstand extreme heat and sudden temperature changes commonly experienced in high-temperature applications. The utilization of high-quality raw materials is a key factor enabling monolithic refractories to withstand high temperatures. These materials are meticulously chosen for their heat and thermal stress resistance. Common components include silica, alumina, magnesia, and other refractory minerals with high melting points. Furthermore, the manufacturing process plays a vital role in enhancing the thermal resistance of monolithic refractories. The raw materials are blended with binders, such as clay or cement, to create a homogeneous mixture. This mixture is then shaped and installed in its final position, either through pouring or gunning, depending on the application. The binder ensures that the refractory maintains its shape and integrity during thermal cycling. In addition, monolithic refractories exhibit excellent thermal conductivity and low thermal expansion properties. This enables efficient heat transfer and dissipation, minimizing the risk of thermal stress and cracking. The low thermal expansion also reduces the likelihood of spalling or delamination, which is crucial for withstanding thermal shocks. Another contributing factor to the high-temperature resistance of monolithic refractories is their ability to form a protective layer or slag on the surface. This layer acts as a barrier, preventing direct contact between the refractory and corrosive materials or aggressive atmospheres. It significantly improves the refractory's longevity and resistance to thermal shocks. Overall, the combination of high-quality raw materials, meticulous manufacturing techniques, and advantageous thermal properties allows monolithic refractories to endure high temperatures and thermal shocks. These refractories find extensive use in various industries, including steel, cement, glass, and petrochemical, as reliable linings in furnaces, kilns, and other high-temperature equipment.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish preheaters?
- Monolithic refractories improve the efficiency of ladle and tundish preheaters by providing excellent insulation, high thermal conductivity, and resistance to thermal shock. These properties allow for better heat retention, reduced heat loss, and quicker and more uniform heating of the ladle and tundish, ultimately improving the overall efficiency of the preheating process.
- Q: How are monolithic refractories different from conventional refractories?
- Monolithic refractories are different from conventional refractories in that they are composed of a single, continuous structure, whereas conventional refractories are made up of multiple individual bricks or shapes. Monolithic refractories offer greater flexibility in terms of installation, as they can be easily shaped and molded to fit various applications. Additionally, monolithic refractories usually have better thermal shock resistance and are more resistant to cracking, making them more durable and long-lasting compared to conventional refractories.
- 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: What are the advantages of using self-flow castables in the iron and steel industry?
- Self-flow castables bring numerous benefits to the iron and steel industry. Firstly, their exceptional flowability allows for easy filling of intricate molds and complex shapes, enabling the creation of more precise and detailed components. Moreover, this high flowability ensures a flawless casting without any gaps or voids, resulting in a superior product with enhanced mechanical properties. Secondly, self-flow castables possess a remarkable degree of homogeneity, guaranteeing consistent properties throughout the casting. This uniformity is crucial in the iron and steel industry, where achieving desired performance characteristics relies heavily on a consistent composition. Additionally, self-flow castables exhibit a low water demand, reducing drying and curing times. This efficiency translates into faster casting cycles and shorter overall production times. Furthermore, the reduced water demand minimizes drying shrinkage, decreasing the risk of cracking or distortion during the curing process. Another notable advantage of self-flow castables is their excellent resistance to thermal shock. This characteristic is particularly valuable in the iron and steel industry, where extreme temperatures are commonplace. The ability to withstand rapid and drastic temperature changes without cracking ensures the longevity and durability of cast components. Furthermore, self-flow castables demonstrate superior abrasion resistance, making them ideal for applications where castings are exposed to abrasive materials or environments. Their resistance to wear and tear prolongs the service life of the castings, reducing the need for frequent repairs or replacements. In conclusion, self-flow castables offer exceptional flowability, high homogeneity, low water demand, excellent thermal shock resistance, and robust abrasion resistance. These advantages lead to improved casting quality, increased production efficiency, enhanced durability, and reduced maintenance costs in the iron and steel industry.
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Monolithic Refractories for Iron and Steel Industry - Refractory Tundish Upper Nozzle and Collect Nozzle
- 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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