Monolithic Refractories High Temperature Ladle Sliding Gate for Iron and Steel Industry
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-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
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Quick Details for High Performance Refractory Ladle Slide Gate
| Place of Origin: | China (Mainland) | Shape: | Plate | Material: | Alumina Block |
| SiO2 Content (%): | N/A | Al2O3 Content (%): | 80-90% | MgO Content (%): | N/A |
| CaO Content (%): | N/A | Refractoriness (Degree): | 1770°< Refractoriness< 2000° | CrO Content (%): | N/A |
| SiC Content (%): | N/A | Model Number: | CS80 | Brand Name: | |
| Product name: | High performance refractory ladle slide gate | Model No.: | cs80 | Brand name: | CMAX |
| Quality: | Al-C or Al-Zr-C | Service life: | 4-6 heats | Apparent porosity: | 7% Max |
| Bulk density:: | 3.1 MIN | C.C.S: | 120MPA | MOQ: | 100 pcs for trial |
| Delivery time: | 60 working days upon receipt of deposit |
Packaging & Delivery
| Packaging Details: | Inner carton packing, outer wooden case suitable for long term sea shipping |
| Delivery Detail: | three months working days upon receipt of deposit |
Specifications
Surface flatness less than 0.05mm
High mechanical strength
Erosion resistance
Oxidation resistance
Thermal shock stability
General Chemical Analysis for refractory ladle slide gate :
slide gate plate widely including Alumina carbon and Alumina Zirconia Carbon slide gate plate, MgO and MgO-spinel slide gate plate,nonoxides bonding slide gate plateand unburned slide gate plate.
Alumina -Zirconia-Carbon material
| Al-Zr-C Material | |||||
| Al2O3 | C | ZrO2 | Apparent porosity | Bulk density | C.C.S |
| (% minm) | (% minm) | (% minm) | (% max) | (gm./cc minm) | (MPa minm) |
| 85 | 3 | 5 | 7 | 3.1 | 120 |
| 85 | 3 | 4 | 7 | 3.1 | 120 |
Composite type: Al-Zr-C for working line, outer Al-C material
| Al-Zr-C & Al-C Material | ||||||
| Al2O3 | C | ZrO2 | Apparent porosity | Bulk density | C.C.S | |
| (% minm) | (% minm) | (% minm) | (% max) | (gm./cc minm) | (MPa minm) | |
| Inner side (Working face) | 85 | 3 | 4 | 7 | 3.1 | 120 |
| Outside | 90 | 3 | 0 | 9 | 3 | |
Using the raw materials of tabular alumina, zirconia-corundum, carbon and other high-grade additives, after sintering to obtain characteristics of oxidation resistance, scour strength, erosion resistance, thermal shock resistance, shape stable and long service life, made our products the preferred materials for the large and medium-sized steel ladle, refining ladle, series of alloy steel ladle, and tundish. Our high performance sintering sliding gates include alumina carbon , Al2O3-ZrO2-C, etc, can meet the needs of different steel grade.
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- Q: How do monolithic refractories withstand high temperatures and thermal cycling?
- Monolithic refractories withstand high temperatures and thermal cycling due to their unique composition and structure. They are made from a single piece or material, which eliminates joints or seams that could be vulnerable to thermal stress. Additionally, they are designed with a high thermal conductivity and low thermal expansion, allowing them to expand and contract without cracking or spalling. This enables them to maintain their integrity and mechanical strength even under extreme temperature fluctuations, making them highly durable and suitable for applications in industries such as steel, cement, and petrochemical.
- Q: What are the main factors affecting the thermal expansion of monolithic refractories?
- The thermal expansion of monolithic refractories is influenced by various factors. These factors comprise the type of refractory material, the temperature range, the chemical composition, and the physical structure of the refractory. To begin with, the thermal expansion behavior of a refractory is significantly determined by its type of material. Different types of refractories, such as alumina-based, silica-based, and magnesia-based refractories, possess varying coefficients of thermal expansion (CTE). For instance, alumina-based refractories generally exhibit a lower CTE in comparison to silica-based refractories. Consequently, the choice of refractory material holds great influence over its thermal expansion characteristics. Secondly, the thermal expansion of a refractory is affected by the temperature range to which it is exposed. As the temperature rises, the refractory material expands due to the absorption of thermal energy. However, different refractories demonstrate different expansion behaviors depending on temperature. Some refractories may exhibit a linear or near-linear expansion with temperature, while others may display non-linear or step-wise expansion. Hence, the temperature range of operation is a critical factor in determining the suitability of a refractory for a specific application. The chemical composition of the refractory also has an impact on its thermal expansion. The presence of various chemical elements and compounds in the refractory material can influence its expansion behavior. For instance, the addition of specific oxides, like magnesia or zirconia, can modify the CTE of the refractory. Similarly, impurities or variations in the chemical composition can introduce discrepancies in expansion characteristics among refractories of the same type. Lastly, the physical structure of the refractory, encompassing factors such as porosity, density, and microstructure, can influence thermal expansion. The existence of open or closed pores within the refractory can affect its ability to expand uniformly under thermal stress. The density of the refractory also plays a role, as denser refractories tend to have lower thermal expansion. Moreover, the microstructure, including grain size and orientation, can impact the overall expansion behavior of the refractory. To conclude, the primary factors influencing the thermal expansion of monolithic refractories include the type of refractory material, temperature range, chemical composition, and physical structure. A comprehensive understanding of these factors is crucial in selecting the appropriate refractory for a specific application to ensure optimal performance and durability.
- 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: What are the key innovations in monolithic refractories for the iron and steel industry?
- The iron and steel industry heavily relies on monolithic refractories, which serve as lining materials in various high-temperature processes like blast furnaces, ladles, and converters. Over time, the field of monolithic refractories has witnessed several crucial innovations that address specific challenges and enhance the overall performance of these linings. Among the significant innovations in monolithic refractories is the emergence of low cement and ultra-low cement castables. These castables contain reduced cement quantities, resulting in improved properties such as higher hot strength, better thermal shock resistance, and enhanced resistance to chemical attack. By decreasing the cement content, the refractory achieves higher density, reduced porosity, and increased mechanical strength, ultimately leading to improved durability and extended service life. Another innovation in monolithic refractories is the introduction of self-flowing castables. These castables are designed to exhibit excellent flowability and can be conveniently installed through pouring or pumping, eliminating the need for manual vibration. Self-flowing castables offer advantages like reduced installation time, improved lining quality, and enhanced performance in complex geometries or hard-to-reach areas. In recent years, advances in nanotechnology have also influenced the development of monolithic refractories. Refractory compositions now incorporate nanoparticles, such as nano-sized additives and binders, to enhance their properties. These nanoparticles enhance the refractory's mechanical strength, thermal conductivity, and corrosion resistance. Additionally, nanotechnology enables better control over refractories' microstructure, resulting in optimized performance and increased lifespan. The development of high-performance monolithic refractories has also been driven by the need for improved energy efficiency and reduced environmental impact. Insulating castables, for instance, have been created to provide excellent thermal insulation properties, leading to reduced heat loss and energy consumption in various applications. These refractories contribute to increased energy efficiency, lowered production costs, and minimized greenhouse gas emissions. Moreover, advanced installation techniques like gunning and shotcreting have revolutionized the application of monolithic refractories. These techniques enable faster and more precise installation, reducing downtime and improving productivity. Additionally, robotic application systems have been introduced, allowing for automated and consistent refractory installation, ensuring high-quality linings with minimal human intervention. In conclusion, key innovations in monolithic refractories for the iron and steel industry encompass the development of low cement and ultra-low cement castables, self-flowing castables, the incorporation of nanotechnology, the introduction of high-performance insulation materials, and advancements in installation techniques. These innovations have significantly enhanced the performance, durability, energy efficiency, and installation processes of monolithic refractories, thereby contributing to the overall efficiency and competitiveness of the iron and steel industry.
- Q: Can monolithic refractories be used for the lining of ladle refining furnaces and VOD converters?
- Yes, monolithic refractories can be used for the lining of ladle refining furnaces and VOD converters. Monolithic refractories are versatile and can be shaped and installed easily, making them suitable for lining various types of furnaces and converters, including ladle refining furnaces and VOD converters.
- Q: What are the typical compositions of monolithic refractories?
- Monolithic refractories are typically composed of a combination of aggregates, binders, and additives. Aggregates are materials such as alumina, magnesia, or silicon carbide that provide the main refractory properties. The choice of aggregate depends on the desired characteristics of the refractory, such as resistance to high temperatures, thermal shock, or chemical attack. Binders are used to bind the aggregates together and give the refractory its shape and strength. Common binders include clay, calcium aluminate cement, or colloidal silica. The binder also contributes to the overall performance of the refractory, influencing properties such as thermal conductivity and chemical resistance. Additives are often incorporated into the composition to improve specific properties or enhance the processing of the monolithic refractory. These additives can include plasticizers, which improve workability and allow for easier installation, or antioxidants, which can increase the refractory's resistance to oxidation. Overall, the specific composition of a monolithic refractory can vary depending on the intended application and the desired performance characteristics. Different combinations of aggregates, binders, and additives can be tailored to suit specific temperature ranges, chemical environments, or mechanical stresses.
- Q: How do monolithic refractories withstand the mechanical impacts in ladle lip applications?
- Monolithic refractories are able to withstand the mechanical impacts in ladle lip applications due to their unique properties and composition. Firstly, monolithic refractories are made from a single, homogenous material, which provides them with a high level of structural integrity. This means that they are less vulnerable to cracking or breaking when subjected to mechanical impacts. Additionally, monolithic refractories often contain additives such as fibers or aggregates, which further enhance their resistance to mechanical stresses. These additives help to distribute the forces applied to the refractory material, reducing the concentration of stress points and increasing its overall durability. Furthermore, the application process of monolithic refractories allows for a seamless and continuous lining, eliminating the presence of joints or weak points that are susceptible to mechanical damage. This ensures a more uniform distribution of the impacts and enhances the material's ability to withstand them. Moreover, monolithic refractories can be designed with specific compositions and formulations that are tailored to resist mechanical impacts. Various binders and additives can be incorporated to enhance the material's toughness, impact resistance, and overall mechanical strength. Finally, the selection of monolithic refractories for ladle lip applications also takes into consideration the operating conditions, such as temperature and chemical exposure. By choosing refractories that are suitable for these conditions, their mechanical properties can be optimized to withstand the specific challenges posed by ladle lip applications. In summary, monolithic refractories are able to withstand mechanical impacts in ladle lip applications due to their homogenous structure, the inclusion of additives, the seamless application process, and the ability to customize their composition. These factors contribute to their ability to resist cracking, breaking, and other forms of mechanical damage, ensuring their longevity and effectiveness in ladle lip applications.
- Q: What are the key factors to consider when designing the lining system with monolithic refractories?
- To ensure optimal performance and longevity of the lining, several key factors must be taken into account when designing a system with monolithic refractories. These factors include: 1. Material selection: It is crucial to choose the appropriate monolithic refractory material, considering factors such as operating temperature, chemical environment, and mechanical stress. Different materials have varying properties and performance characteristics, so selecting the most suitable one for the specific application is essential. 2. Thermal expansion: Like any other material, monolithic refractories expand and contract with temperature changes. Therefore, it is important to consider the thermal expansion properties and how they will interact with the surrounding structure. To prevent cracking or spalling, proper expansion joints or design features should be incorporated. 3. Installation technique: The method of installation plays a critical role in the lining system's performance. Following the manufacturer's guidelines for mixing, placing, and curing the refractory material is essential. Improper installation can compromise lining integrity, thermal conductivity, and structural stability. 4. Bonding and anchoring: To ensure effective lining performance, a strong bond between the monolithic refractory and the substrate is necessary. Proper surface preparation, suitable bonding agents, and appropriate anchoring techniques should be considered to enhance adhesion and stability. 5. Structural design: The structural design of the lining system should be carefully planned to withstand mechanical stresses and operational conditions. Load-bearing capacity, thermal shock resistance, and thermal cycling must be taken into consideration during the design phase. Reinforcement materials, such as steel fibers or mesh, may be required to enhance structural integrity and prevent cracking or spalling. 6. Maintenance and repair: Anticipating the need for maintenance and repair is crucial for the lining system's longevity. Access points, inspection ports, and repair techniques should be considered. Regular inspections and proactive maintenance can help identify and address issues before they escalate and cause major failures. By considering these key factors, a well-designed and effective lining system with monolithic refractories can be ensured, capable of withstanding harsh conditions and providing long-term performance.
- Q: How do monolithic refractories withstand the thermal cycling in aluminum smelting applications?
- Monolithic refractories have been specifically developed to endure the extreme thermal cycling conditions that arise in aluminum smelting applications. The exceptional properties of these refractories enable them to withstand the rapid and repetitive heating and cooling cycles without experiencing significant damage or failure. A key characteristic of monolithic refractories is their remarkable thermal shock resistance, which allows them to withstand sudden temperature changes without cracking or spalling. Throughout the aluminum smelting process, the refractories are exposed to extreme temperatures when molten aluminum is poured into the molds or when the molten metal comes into contact with the refractory lining. It is essential for the refractories to quickly absorb and dissipate heat to prevent any thermal shock damage. Furthermore, monolithic refractories possess a high thermal conductivity, which facilitates the efficient transfer of heat away from the refractory lining. This effectively reduces the risk of thermal stress and thermal fatigue. By dispersing the heat generated during the smelting process, the refractories minimize temperature variations within the lining, thereby preventing the occurrence of cracks or fractures. Moreover, monolithic refractories exhibit excellent chemical resistance, a crucial characteristic in aluminum smelting applications. These refractories are formulated to resist the corrosive effects of molten aluminum and other chemicals present in the smelting process. By offering resistance to chemical corrosion, the refractories help maintain the integrity of the refractory lining and extend its service life. Additionally, monolithic refractories are often reinforced with fibers or other structural materials to enhance their mechanical strength and durability. These reinforcements provide added resistance against mechanical stresses, such as thermal expansion and contraction, which arise during the thermal cycling process. In conclusion, the purpose of monolithic refractories is to withstand the thermal cycling conditions encountered in aluminum smelting applications. Their exceptional thermal shock resistance, high thermal conductivity, excellent chemical resistance, and enhanced mechanical strength enable them to endure extreme temperature fluctuations without experiencing significant damage. These refractories play a crucial role in maintaining the integrity and efficiency of the smelting process in the aluminum industry.
- Q: How do monolithic refractories contribute to reducing downtime in iron and steel plants?
- Monolithic refractories contribute to reducing downtime in iron and steel plants by providing enhanced durability and resistance to high temperatures, chemical corrosion, and mechanical wear. These refractories can be quickly and easily installed, repaired, or replaced, minimizing the time required for maintenance and reducing production interruptions. Their versatile and customizable nature allows for efficient lining of various equipment, such as furnaces, ladles, and converters, ensuring a continuous and uninterrupted production process.
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Monolithic Refractories High Temperature Ladle Sliding Gate for Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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