$Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material System 1$
$Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material System 2$

$Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material$

$Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material System 1$

$Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material System 2$

Sen Monolithic Refractories for Iron and Steel Industry Melting Furnace Refractory Material

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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

sen
Long life
Reliable
ISO9001
High thermal shock resistance.

1.New type Composite subemeged nozzle

Advantage

long life,10hours

high thermal shock resistance

and reliable flow control.

Applicable to the C.C. of the billet, slab, round and bloom for the converter, and EAF,

pouring for more than 400 min .

Application

Applicable to the C.C. of the billet, slab, round and bloom for the converter, and EAF, pouring for more than 400 min,and compositions and specifications can be adjusted according to the specific requirement of the customer.

Specifications

No.	SK6-7	SK6-8	SK6-9	SK6-10	SK6-11	SK6-12
Name	Submerge entry nozzle(SEN)
	Body	Slag-band	Body	Slag-band	Body	Slag-band
Al₂O₃ %	≥45		≥45		≥50
C+SiC %	≥30	≥13	≥30	≥13	C≥26	≥13
ZrO₂ %	≥4	≥75	≥4	≥75	≥3	≥75
B.D.g/cm³	≥2.3	≥3.5	≥2.3	≥3.5	≥2.25	≥3.5
A.P. %	≤19	≤19	≤19	≤19	≤18	≤19
CCS MPa	≥20	≥20	≥20	≥20	≥20	≥20
H.M.O.R MPa	≥6	≥6	≥6	≥6	≥6	≥6
Thermal shock resistance times	≥5	≥5	≥5	≥5	≥5	≥5

Details of Al2O3-ZrO2-C Al2O3 anti-clogging SEN
Series of Al2O3-ZrO2-C material in the body can be applied to different steel grades. The latest new type of low silica material has more higher thermal stability, erosion resistance compared with traditional materials. Multi-types for Al2O3 anti-clogging. 1.Inner lining with argon insert 2.Traditional Al2O3 anti-clogging inner lining 3.Low silica&low carbon inner lining Series of compound materials for slag line.

Details of Al2O3-ZrO2-C Al2O3 anti-clogging SEN

Series of Al2O3-ZrO2-C material in the body can be applied to different steel grades. The latest new type of low silica material has more higher thermal stability, erosion resistance compared with traditional materials.

Multi-types for Al2O3 anti-clogging.
1.Inner lining with argon insert
2.Traditional Al2O3 anti-clogging inner lining
3.Low silica&low carbon inner lining

Series of compound materials for slag line.

Q: How are monolithic refractories recycled or disposed of at the end of their lifespan?: Monolithic refractories, which are commonly used in high-temperature industrial applications, can be recycled or disposed of at the end of their lifespan through several methods. The chosen method depends on the specific type of monolithic refractory and its composition. One common approach to recycling monolithic refractories is through a process known as reclamation. Reclamation involves collecting used refractory materials and processing them to remove any impurities or contaminants. The reclaimed refractory material can then be crushed, ground, or milled to produce a fine powder that can be used as a raw material in the production of new refractories. Another method of recycling monolithic refractories is through thermal treatment. This involves subjecting the used refractory material to high temperatures in a controlled environment, such as a kiln or furnace. The heat helps to break down the refractory material, removing any binders or impurities. The resulting material can then be reused as a raw material or incorporated into other applications, such as aggregates for construction. In cases where recycling is not feasible, monolithic refractories can be disposed of in specialized facilities designed for handling and treating hazardous waste. These facilities ensure that the refractory material is properly contained and treated to minimize any potential environmental impact. This disposal method is typically used for refractories that contain hazardous substances or cannot be recycled due to their composition. It is important to note that the proper disposal or recycling method for monolithic refractories should comply with local regulations and guidelines. These regulations aim to ensure the safe handling, treatment, and disposal of these materials, taking into consideration their potential environmental and health impacts. Therefore, it is crucial for industries and businesses to work closely with waste management professionals and follow the appropriate procedures to responsibly manage monolithic refractories at the end of their lifespan.

Q: How do monolithic refractories withstand the chemical attacks in aluminum furnace applications?: Monolithic refractories withstand chemical attacks in aluminum furnace applications due to their high resistance to oxidation and corrosion. They are specifically designed to withstand the harsh environment of aluminum processing, which involves exposure to molten aluminum, alkaline fluxes, and other corrosive chemicals. Monolithic refractories have excellent chemical stability, low porosity, and high thermal shock resistance, which allows them to maintain their structural integrity and protect the furnace lining from chemical erosion. Additionally, these refractories often contain additives such as antioxidants and anti-corrosion agents that further enhance their resistance to chemical attacks in aluminum furnace applications.

Q: How do monolithic refractories handle thermal expansion and contraction?: Thermal expansion and contraction pose challenges that monolithic refractories are specifically designed to tackle. Unlike traditional brick or tile refractories, these materials are composed of a single solid structure. This unique composition allows them to better accommodate the thermal stresses associated with temperature changes. One method employed by monolithic refractories to manage thermal expansion and contraction is their ability to endure high temperatures. These materials are engineered to have a high melting point, enabling them to preserve their structural integrity even in extreme heat conditions. This characteristic prevents them from cracking or disintegrating due to thermal expansion. Additionally, monolithic refractories often contain a binder or bonding agent that holds the refractory particles together. This binder can be formulated to possess a certain level of flexibility, enabling the material to expand and contract without incurring cracks or breaks. This flexibility aids in absorbing the stresses caused by thermal expansion and contraction, ensuring the long-lasting performance of the refractory. Furthermore, monolithic refractories can be applied in a manner that allows for expansion and contraction. Installers can leave joints or gaps between sections, which accommodate the movement caused by temperature changes. This technique, referred to as joint design or expansion joint systems, permits the refractory to expand and contract without causing any harm to the overall structure. Overall, monolithic refractories are designed to handle thermal expansion and contraction by withstanding high temperatures, incorporating flexible binders, and employing joint design techniques. These properties enable them to maintain their structural integrity and performance in extreme heat conditions, making them a reliable choice for applications that necessitate resistance to thermal stress.

Q: How do monolithic refractories resist thermal shock in the iron and steel industry?: Monolithic refractories are designed specifically to withstand thermal shock in the iron and steel industry, achieved primarily through their unique composition and structure. To begin, high-quality raw materials, such as alumina, magnesia, and silica, are used to create monolithic refractories. These materials are chosen carefully for their excellent thermal properties, including a high melting point, low thermal conductivity, and favorable thermal expansion characteristics. The manufacturing process of monolithic refractories involves precise control over the distribution of grain sizes and the addition of bonding agents. This results in a dense and uniform structure, enhancing their resilience against thermal shock. The bonding agents also play a crucial role in strengthening and maintaining the integrity of the refractories. Furthermore, additives are often incorporated into monolithic refractories to increase their resistance to thermal shock. These additives, such as zirconia, silicon carbide, or graphite, enhance the refractories' ability to endure rapid temperature changes. Moreover, monolithic refractories are designed with low porosity to minimize the penetration of molten metal or slag into the material. This helps prevent the formation of cracks and spalling, which can occur due to thermal shock. In addition, monolithic refractories are commonly applied as a lining or coating on furnace surfaces or other equipment. This creates a protective barrier, reducing direct exposure to extreme temperatures and thermal cycling. Overall, the combination of high-quality raw materials, meticulous manufacturing processes, additives, low porosity, and appropriate application techniques make monolithic refractories highly resistant to thermal shock in the iron and steel industry. They can endure rapid temperature changes, prevent cracks, and maintain their structural integrity, ensuring the reliable and efficient operation of furnaces and other equipment in this demanding industry.

Q: What are the different types of monolithic refractories used in the iron and steel industry?: In the iron and steel industry, several types of monolithic refractories are used due to their excellent thermal resistance, high strength, and durability. These refractories are essential in various applications to withstand extreme temperatures and harsh conditions. The different types of monolithic refractories commonly used in the iron and steel industry include: 1. Castables: These are precast refractory materials that are mixed with water to form a slurry, which is then poured or cast into molds. Castables are widely used in iron and steel industries for lining ladles, tundishes, and other furnaces due to their high strength and excellent resistance to thermal shock. 2. Ramming Mass: Ramming mass is a refractory material that is used for lining induction furnaces and other melting units. It is made up of refractory aggregates, binders, and additives. Ramming mass is applied by ramming or tamping it into place, forming a dense lining that can withstand high temperatures and chemical attacks. 3. Gunning Mix: Gunning mix is a refractory material that is applied using a pneumatic gunning machine. It is used for repairing or lining various areas of furnaces and is particularly useful for hot repairs. Gunning mix consists of refractory aggregates, binders, and additives, which are sprayed onto the lining surface and then compacted. 4. Plastic Refractories: Plastic refractories are mixtures of refractory aggregates and binders that have a high plasticity and can be easily molded or shaped. They are used for repairing or patching refractory linings in iron and steel industries. Plastic refractories are typically applied by hand or using a trowel and are suitable for both hot and cold applications. 5. Mortars: Refractory mortars are used for jointing or repairing refractory bricks or other monolithic refractories. They are made up of refractory powders, binders, and water. Mortars provide excellent adhesion between bricks or monolithic materials, ensuring a strong and durable lining in furnaces, ladles, and other high-temperature equipment. These different types of monolithic refractories play a vital role in the iron and steel industry by providing reliable and long-lasting linings, ensuring efficient operations and minimizing downtime.

Q: How do monolithic refractories mitigate heat loss in iron and steel operations?: Monolithic refractories are highly effective in mitigating heat loss in iron and steel operations due to their unique properties and composition. These refractories are made from a single, continuous material, making them resistant to cracks and gaps that could allow heat to escape. One key advantage of monolithic refractories is their excellent thermal conductivity and insulation properties. They have a low thermal conductivity, which means they can effectively restrict the transfer of heat from the hot areas to the cooler surroundings. This insulation property helps maintain high temperatures within the iron and steel operations, reducing heat loss to the environment. Another factor that contributes to the 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 the surfaces and fill in any gaps or irregularities, creating a solid barrier against heat loss. This seal minimizes the possibility of heat escaping, ensuring that the energy generated within the operations is effectively utilized. Furthermore, monolithic refractories have high resistance to thermal shock. In the iron and steel industry, extreme temperature fluctuations are common, which can lead to material deterioration and cracks. Monolithic refractories, with their high thermal shock resistance, are able to withstand these rapid temperature changes without compromising their structural integrity. This ensures the longevity and effectiveness of the refractories in mitigating heat loss. Overall, monolithic refractories play a crucial role in mitigating heat loss in iron and steel operations by providing excellent insulation, forming a tight seal, and withstanding thermal shock. These properties allow the refractories to maintain high temperatures within the operations, optimize energy utilization, and enhance the overall efficiency of the processes.

Q: How do monolithic refractories improve the thermal efficiency of iron and steel furnaces?: The thermal efficiency of iron and steel furnaces greatly benefits from the use of monolithic refractories. These refractories, which are solid and unified, are essential for lining the furnaces and protecting them from the extreme temperatures involved in the metal production process. One way in which monolithic refractories enhance thermal efficiency is by minimizing heat loss. Due to their low thermal conductivity, these materials do not conduct heat well. By lining the furnace with monolithic refractories, the heat produced inside the chamber is effectively contained, resulting in less heat being lost to the surroundings. This allows for a more efficient use of energy, as less heat goes to waste and more is utilized for the purpose of heating and melting the metal. Moreover, monolithic refractories also contribute to the overall efficiency of iron and steel furnaces by offering a high level of heat resistance. The extreme temperatures experienced inside these furnaces can easily damage traditional refractory materials. However, monolithic refractories are specifically designed to withstand these harsh conditions, maintaining their integrity and performance over long periods of time. This durability ensures that the lining remains intact, preventing any potential leakage of heat and allowing the furnace to operate at its maximum efficiency. Furthermore, the installation process of monolithic refractories is flexible. They can be easily shaped and molded to fit the intricate designs and contours of the furnace, resulting in a seamless and continuous lining. This eliminates any gaps or weak points that could allow heat to escape or cold air to enter, further enhancing the thermal efficiency of the furnace. In conclusion, monolithic refractories significantly improve the thermal efficiency of iron and steel furnaces by reducing heat loss, providing high heat resistance, and ensuring a tight and continuous lining. By optimizing heat utilization and minimizing energy wastage, these refractories play a crucial role in enhancing the productivity and sustainability of the iron and steel industry.

Q: What are the key factors affecting the installation and curing of monolithic refractories?: The installation and curing of monolithic refractories can be affected by several important factors: 1. Material selection: Choosing the right monolithic refractory material is crucial as it determines how it will be installed and cured. Different materials have different requirements, so it is important to select the appropriate material for the specific application. 2. Surface preparation: Properly preparing the surface is essential for the successful installation and curing of monolithic refractories. The surface must be clean, free from contaminants, and properly roughened to ensure good adhesion of the refractory material. 3. Mixing and proportioning: How the refractory material is mixed and proportioned plays a significant role in its installation and curing. Following the manufacturer's instructions for mixing ratios and ensuring thorough mixing is important to achieve a uniform mixture. 4. Application technique: The technique used to apply the monolithic refractory material can greatly impact its installation and curing. Employing proper application techniques, such as gunning, casting, or ramming, is necessary to ensure uniformity and proper bonding with the substrate. 5. Temperature control: Controlling the temperature during installation and curing is critical for achieving the desired properties in the monolithic refractory. The curing process should be carried out at the recommended temperature, and sudden temperature changes should be avoided to prevent thermal stresses. 6. Moisture content: The moisture content of the refractory material and the surrounding environment can affect its installation and curing. Excessive moisture can cause shrinkage, cracking, or poor bonding, while insufficient moisture can hinder proper curing. Maintaining the optimum moisture content for the specific refractory material is important. 7. Curing time: The required curing time for monolithic refractories varies depending on the material and application. It is crucial to follow the recommended curing time to allow for proper strength development and dimensional stability. 8. Environmental conditions: Environmental factors, such as humidity, temperature, and air circulation, can influence the installation and curing of monolithic refractories. It is important to maintain suitable environmental conditions to facilitate proper drying and curing. In conclusion, understanding and addressing these key factors are essential to ensure the successful installation and curing of monolithic refractories, leading to improved performance and longevity of the refractory lining.

Q: How are monolithic refractories manufactured?: Monolithic refractories are manufactured using a specific process that involves several steps. The first step is the selection and preparation of raw materials. These raw materials usually include aggregates, binders, and additives. Aggregates are chosen based on their chemical and physical properties, while binders are used to hold the aggregates together. Additives are included to enhance specific properties of the refractory material. Once the raw materials are selected, they are mixed together in precise proportions to create a homogeneous mixture. This mixture is then blended using various techniques such as dry or wet mixing, depending on the desired characteristics of the final product. After blending, the next step is shaping the refractory material. This can be done through several methods such as casting, gunning, ramming, or spraying. Each method is chosen based on the specific application and requirements of the refractory. Once the refractory material is shaped, it undergoes a curing process. This process involves drying the material at a controlled temperature to remove any excess moisture and allow for the development of desired properties. Finally, the cured refractory material is fired in a kiln at high temperatures. This firing process helps to further strengthen the refractory and enhance its resistance to heat and other harsh conditions. Overall, the manufacturing of monolithic refractories involves careful selection and preparation of raw materials, precise blending, shaping, curing, and firing processes. This ensures the production of high-quality refractory materials that can withstand the extreme conditions found in various industrial applications.

Q: How do monolithic refractories improve energy efficiency in the iron and steel industry?: Monolithic refractories improve energy efficiency in the iron and steel industry by providing better insulation and reducing heat loss. They have lower thermal conductivity compared to traditional refractory bricks, which means less heat is conducted through the lining of the furnaces or kilns. This leads to reduced energy consumption and improved thermal efficiency. Additionally, monolithic refractories offer better resistance to thermal shock, minimizing the need for frequent repairs or replacements, thereby saving energy and reducing downtime.

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