Monolithic Refractories Slide Gate Plates for Ladle & Tundish

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 set

Supply Capability:: 50000 set/month

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Specifications

Ladle Sliding Plate
1.Competitive price
2.Manufacture
3.Worldwide customers
4.Long service life

Slide gate plate Information

Alumina-carbon slide gate plate is characterized by high strength, erosion resistance and good thermal shock resistance. They are preferred products for large/middle ladle and continuous casting tundish. They can meet the needs of different steel grades.

Features:

1. Tundish Slide Gate Plate
2. Tundish Slide Gate Plate with good performance
3.long service life
4.fit for tundish

5. original manufacturer with own r&d team
6. good reputation at home & abroad
7. with competitive price

Application

They are preferred products for large/middle ladle and continuous casting tundish. They can meet the needs of different steel grades.

Burned slide plate ladle refractory brick 1. Passed ISOcertified 2.have a good reputation on both domestic and oversea country

Physicochemical indexes :

ITEM	Al-C Slide Plate					Al-Zr-C Slide Plate
ITEM	70	75	80	85	86	70	75	77
Al₂O₃,%	70	75	80	85	86	70	75	77
C,%	7	7	5	5	4	7	7	7
ZrO₂,%	-	-	-	-	-	6	6	2.5
A.P.,%≤	10	10	10	10	7	10	10	10
B.D.,g/cm³	2.8	2.9	2.9	3.0	2.95	3.00	3.05	2.90
C.C.S., MPa ≥	65	70	100	100	100	110	115	100

Q: What are the challenges faced in the application of monolithic refractories?: Some challenges faced in the application of monolithic refractories include proper material selection, achieving proper installation techniques, ensuring consistent and uniform application, controlling drying and curing processes, and dealing with potential shrinkage and cracking issues. Additionally, monolithic refractories often require skilled labor for installation and maintenance, and they may be susceptible to erosion, thermal shock, and chemical attack in certain environments.

Q: What are the recent developments in monolithic refractories for the iron and steel industry?: Recent developments in monolithic refractories for the iron and steel industry include advancements in material composition, manufacturing techniques, and application methods. These developments have led to improved refractory performance, enhanced durability, and increased energy efficiency. Some notable developments include the use of new raw materials, such as nano-sized additives and ultra-high temperature-resistant binders, which enhance the refractory's resistance to thermal shock and corrosion. Additionally, advancements in manufacturing techniques, such as advanced mixing technologies and precise curing processes, have resulted in more homogenous and consistent refractory structures. Furthermore, there have been innovations in application methods, including the use of robotic systems for precise and efficient installation, leading to reduced downtime and increased productivity in the iron and steel industry. Overall, these recent developments in monolithic refractories have significantly contributed to the optimization of iron and steel production processes.

Q: How are monolithic refractories used in the repair and maintenance of ladle and tundish covers?: Due to their excellent thermal resistance and durability, monolithic refractories are commonly utilized for repairing and maintaining ladle and tundish covers. These covers play a crucial role in the containment of molten metal and the prevention of heat loss during the steelmaking process. When exposed to high temperatures and thermal cycling, ladle and tundish covers can undergo wear and tear, resulting in cracks, spalling, or even complete failure. This is where monolithic refractories come into play. Monolithic refractories are refractory materials that are not shaped and can be easily molded and applied to damaged areas of ladle and tundish covers. They can be cast, gunned, or sprayed onto the surface, enabling quick and efficient repairs. Typically, these refractories consist of a matrix material, such as alumina, silica, or magnesia, along with various additives and bonding agents. The specific composition depends on the application requirements and severity of operating conditions. The repair process begins by identifying the damaged areas of the ladle or tundish cover. Any loose or damaged refractory material is removed, and the surface is prepared for the application of the monolithic refractory. This may involve cleaning, roughening, or even preheating the surface, depending on the specific requirements. The monolithic refractory is then mixed with water or a suitable binder to achieve a workable consistency. It is then applied to the damaged areas using the appropriate method, such as casting or spraying. After application, the refractory material is allowed to dry and cure, typically through controlled heating. Once cured, the monolithic refractory forms a robust and durable lining that can withstand the high temperatures, thermal cycling, and chemical reactions occurring during ladle and tundish operation. It provides excellent thermal insulation, minimizing heat loss and reducing energy consumption. Moreover, monolithic refractories exhibit superior resistance to slag, metal penetration, and erosion, ensuring extended service life for ladle and tundish covers. They also possess good thermal shock resistance, enabling them to endure rapid temperature changes without cracking or spalling. In conclusion, monolithic refractories are indispensable for repairing and maintaining ladle and tundish covers due to their thermal resistance, durability, and ease of application. Their ability to withstand high temperatures, thermal cycling, and chemical reactions ensures the integrity and efficiency of ladle and tundish operations in the steelmaking industry.

Q: How do monolithic refractories resist chemical corrosion in iron and steel applications?: Due to their unique characteristics and composition, monolithic refractories demonstrate high resistance to chemical corrosion in iron and steel applications. This resistance is attributed to various factors. One crucial factor is the utilization of top-notch raw materials. Typically, monolithic refractories are crafted from high-alumina or alumina-silica aggregates, which possess excellent resistance to chemical reactions. These aggregates are carefully selected to withstand the harsh conditions encountered in iron and steel applications, including exposure to molten metal, slag, and various chemical compounds. Furthermore, the binders employed in monolithic refractories play a vital role in their resistance to chemical corrosion. Common binders encompass clay, calcium aluminate cement, or colloidal silica. These binders not only hold the refractory materials together but also provide extra protection against chemical attack. They create a dense and impermeable structure, preventing corrosive substances from penetrating the refractory lining. Additionally, monolithic refractories often incorporate additives that enhance their chemical resistance. These additives, comprising antioxidants, anti-spalling agents, and various compounds, further safeguard the refractory lining from chemical attack. They neutralize corrosive elements, inhibit the formation of harmful compounds, and reduce the overall corrosion rate. Moreover, the unique installation method of monolithic refractories also contributes to their resistance to chemical corrosion. Unlike traditional brick refractories, monolithic refractories are installed as a single, continuous lining. This eradicates the need for joints or gaps that could potentially serve as weak points for chemical penetration. The monolithic nature of these refractories ensures a tight and seamless lining, reducing vulnerability to chemical attack. In summary, the combination of high-quality raw materials, effective binders, and beneficial additives, along with the monolithic installation technique, endows monolithic refractories with exceptional resistance to chemical corrosion in iron and steel applications. This resistance enables them to endure the harsh conditions encountered in these industries, ensuring the durability and efficiency of the refractory lining.

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 due to their unique properties and application methods. These refractories are composed of single, continuous materials with no joints or seams, allowing for excellent thermal insulation and minimizing heat transfer. One way monolithic refractories contribute to heat loss reduction is through their low thermal conductivity. These materials have a high resistance to heat flow, which means they can effectively prevent the loss of thermal energy from the walls and linings of furnaces, ladles, and other equipment used in iron and steel production. By providing a barrier between the hot interior and the cooler surroundings, monolithic refractories minimize heat escape and maintain a more stable and efficient thermal environment. Additionally, monolithic refractories are known for their excellent adhesion and high strength, which enables them to form a tight seal and eliminate gaps or cracks in the lining of the equipment. This prevents the ingress of cold air or the escape of hot gases, further reducing heat loss and ensuring the desired operating temperatures are maintained. Furthermore, monolithic refractories can be easily applied and repaired, allowing for a more efficient and cost-effective maintenance process. Regular inspections and repairs can be carried out to address any wear or damage to the refractory lining, ensuring its optimal performance and minimizing heat loss over time. In summary, monolithic refractories contribute to the reduction of heat loss in iron and steel plants through their low thermal conductivity, excellent adhesion, and high strength. By effectively insulating the equipment and preventing heat escape, these refractories contribute to a more energy-efficient and productive operation in the iron and steel industry.

Q: How do monolithic refractories withstand the mechanical impacts in furnace door applications?: Monolithic refractories are designed to withstand mechanical impacts in furnace door applications due to their unique properties and composition. These refractories are made from a single piece of material, which eliminates the need for joints or seams that are prone to cracking or failure under mechanical stress. One important characteristic of monolithic refractories is their high density, which provides them with excellent strength and resistance to mechanical impacts. Their dense structure makes them less susceptible to cracking or breaking when subjected to sudden or repeated impacts, such as when a furnace door is opened or closed. In addition to their density, monolithic refractories also possess high tensile strength and toughness. These properties allow them to absorb and distribute the energy from mechanical impacts, reducing the risk of damage or failure. This is particularly important in furnace door applications, where the refractories are constantly exposed to the stress of opening and closing the door. Furthermore, monolithic refractories often contain additives or bonding agents that enhance their mechanical properties. These additives can include fibers or aggregates that reinforce the structure and improve resistance to impacts. They can also improve the refractory's ability to withstand thermal cycling, which is common in furnace door applications. Overall, monolithic refractories are specifically engineered to withstand the mechanical impacts encountered in furnace door applications. Their dense, high-strength composition, combined with the use of additives and bonding agents, ensures their durability and longevity in these demanding environments.

Q: What are the different types of monolithic refractories used in the iron and steel industry?: There are several types of monolithic refractories used in the iron and steel industry, including castables, ramming mixes, gunning mixes, and plastic refractories. Castables are a mixture of refractory aggregates, binders, and additives that can be poured and shaped into various forms. Ramming mixes are granular refractories that can be packed and tamped into place using a ramming tool. Gunning mixes are similar to ramming mixes but are applied using a gunning machine. Plastic refractories are moldable materials that can be shaped and installed by hand. These different types of monolithic refractories offer flexibility and ease of installation in various applications within the iron and steel industry.

Q: Can monolithic refractories be used for lining iron and steel ladles during casting and pouring?: Yes, when it comes to lining iron and steel ladles during casting and pouring, monolithic refractories are the go-to option. Unlike traditional refractory bricks, which consist of multiple pieces, monolithic refractories are composed of a single, uniform structure. Monolithic refractories are highly favored for ladle lining in iron and steel casting due to their numerous advantages. Firstly, they exhibit exceptional resistance to thermal shock, enabling them to endure the intense temperatures encountered during casting and pouring. This is of utmost importance since ladles are constantly exposed to extreme heat. Moreover, monolithic refractories provide superior resistance to erosion and corrosion, ensuring that the lining remains intact amidst the harsh conditions and chemical reactions that transpire when molten metal makes contact with the ladle. Additionally, they possess excellent thermal insulation properties, diminishing heat loss and enhancing energy efficiency throughout the casting process. Furthermore, monolithic refractories boast remarkable versatility, enabling easy installation, repair, and replacement. They can be molded and shaped to conform to the specific requirements of ladles, resulting in a snug and secure lining. This adaptability also enables swift maintenance and repair, minimizing downtime and optimizing productivity. In conclusion, monolithic refractories are the perfect choice for lining iron and steel ladles during casting and pouring. Their resistance to thermal shock, erosion and corrosion, thermal insulation properties, and ease of installation render them highly suitable for this demanding application.

Q: What are the recommended installation techniques for monolithic refractories?: The recommended installation techniques for monolithic refractories typically involve proper surface preparation, mixing of refractory materials, and precise application. It is crucial to clean and remove any loose debris from the substrate before installation. The refractory materials should be mixed thoroughly with the appropriate water content to achieve the desired consistency. It is recommended to use vibration or tamping techniques during application to remove air pockets and ensure proper compaction. Careful curing and drying processes should be followed to prevent thermal shock and achieve optimal performance.

Q: How do monolithic refractories prevent heat loss through radiation?: High thermal conductivity and low thermal expansion are characteristics of monolithic refractories that prevent heat loss through radiation. These properties enable efficient heat transfer from the hot side to the cooler side, minimizing temperature differences and reducing radiation heat loss. Furthermore, monolithic refractories create a seamless and continuous lining that eliminates gaps and cracks, which would otherwise allow heat to escape. The dense and compact structure of these refractories functions as a barrier, preventing radiation heat transfer. In conclusion, monolithic refractories are essential for maintaining thermal insulation and preventing radiation-induced heat loss in a range of high-temperature applications.

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