Monolithic Refractories High Performance & 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
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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
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.
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 | |
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- Q: What are the main factors affecting the thermal expansion of monolithic refractories?
- The main factors affecting the thermal expansion of monolithic refractories include the type of refractory material, the temperature range, the chemical composition, and the physical structure of the refractory. Firstly, the type of refractory material plays a significant role in its thermal expansion behavior. Different types of refractories, such as alumina-based, silica-based, and magnesia-based refractories, have varying coefficients of thermal expansion (CTE). For example, alumina-based refractories generally have a lower CTE compared to silica-based refractories. Therefore, the choice of refractory material can greatly influence its thermal expansion characteristics. Secondly, the temperature range at which the refractory is exposed affects its thermal expansion. As the temperature increases, the refractory material expands due to the thermal energy absorbed. However, different refractories have different temperature-dependent expansion behaviors. Some refractories may have a linear or near-linear expansion with temperature, while others may exhibit non-linear or step-wise expansion. The temperature range of operation is an important consideration in determining the suitability of a refractory for a particular application. The chemical composition of the refractory also affects its thermal expansion. The presence of different chemical elements and compounds in the refractory material can influence its expansion behavior. For example, the addition of certain oxides, such as magnesia or zirconia, can alter the CTE of the refractory. Similarly, impurities or variations in the chemical composition can introduce differences in expansion characteristics among refractories of the same type. Lastly, the physical structure of the refractory, including its porosity, density, and microstructure, can affect thermal expansion. The presence 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. Additionally, the microstructure, including grain size and orientation, can influence the overall expansion behavior of the refractory. In conclusion, the main factors affecting the thermal expansion of monolithic refractories include the type of refractory material, temperature range, chemical composition, and physical structure. Understanding these factors is essential in selecting the appropriate refractory for a specific application to ensure optimal performance and durability.
- Q: What are the common failure mechanisms of monolithic refractories in the iron and steel industry?
- Some common failure mechanisms of monolithic refractories in the iron and steel industry include thermal spalling, erosion, chemical attack, and mechanical damage. Thermal spalling occurs due to rapid temperature changes, causing the refractory material to crack and break. Erosion occurs when hot gases or molten metal wear away the refractory lining. Chemical attack refers to the corrosive action of slag or other chemicals on the refractory material. Mechanical damage may occur due to physical impacts or stresses, leading to cracks and fractures in the refractory lining.
- Q: What are the challenges in using monolithic refractories in the iron and steel industry?
- The iron and steel industry faces significant challenges when it comes to using monolithic refractories. One of these challenges is the fact that monolithic refractories are more prone to thermal shock compared to traditional brick refractories. Unlike brick refractories, which are made from multiple materials and have strong structural integrity, monolithic refractories are made from a single material, which makes them more susceptible to cracking and failure when exposed to rapid changes in temperature. Another challenge lies in achieving consistent and uniform application of monolithic refractories. While brick refractories can be precisely shaped and fitted into specific areas, monolithic refractories are typically applied as a mortar-like mixture that is poured or sprayed into place. This process is more complex and requires skilled operators to ensure proper application and adhesion. Additionally, monolithic refractories have a shorter lifespan compared to brick refractories. They are more vulnerable to erosion and wear, especially in high-temperature environments and when exposed to harsh chemicals and slag. This means that regular maintenance and replacement of monolithic refractories are necessary, leading to increased downtime and costs for the iron and steel industry. Furthermore, selecting and customizing monolithic refractories can be challenging. The iron and steel industry has diverse operating conditions and requirements, making it difficult to find the right monolithic refractory composition and design that can withstand the specific demands of each application. Factors such as temperature, chemical composition, and mechanical stress must be carefully considered. In conclusion, although monolithic refractories offer advantages such as easy installation and versatility, their susceptibility to thermal shock, difficulty in achieving uniform application, shorter lifespan, and the need for customized selection present challenges for their effective use in the iron and steel industry.
- Q: How do monolithic refractories impact the overall productivity of iron and steel operations?
- The overall productivity of iron and steel operations is greatly enhanced by monolithic refractories. These refractories are specifically designed to withstand extreme temperatures, chemical reactions, and mechanical stress that occur during production. One important way that monolithic refractories impact productivity is by reducing downtime and increasing operational efficiency. These refractories have high thermal conductivity and are resistant to thermal shock, allowing them to maintain stable temperatures within the furnace. This prevents sudden temperature fluctuations that can lead to equipment failure and production delays. As a result, the production process can continue uninterrupted, leading to increased productivity. Furthermore, monolithic refractories offer superior corrosion resistance, preventing the erosion and degradation of furnace linings. This resistance to chemical attacks from molten metals and slag helps prolong the lifespan of the refractory lining, reducing the need for repairs and replacements. This leads to less downtime and higher productivity for iron and steel operations. Additionally, monolithic refractories enable faster installation and repair processes compared to traditional brick refractories. They have a fluid-like consistency that makes application and shaping easy, resulting in shorter installation and curing times. This quick turnaround time minimizes production interruptions during repairs or maintenance, further increasing overall productivity. Moreover, the use of monolithic refractories can optimize energy consumption in iron and steel operations. Their excellent insulation properties help retain heat within the furnace, reducing heat loss and energy waste. This improves energy efficiency and leads to cost savings, ultimately contributing to increased productivity and profitability. In conclusion, monolithic refractories have a significant impact on the productivity of iron and steel operations. Their ability to withstand extreme conditions, reduce downtime, resist corrosion, facilitate quick repairs, and optimize energy consumption all contribute to improved efficiency and productivity in the industry.
- Q: How do monolithic refractories contribute to the overall safety of iron and steel operations?
- The overall safety of iron and steel operations is greatly ensured by the crucial role played by monolithic refractories, which provide various important benefits. Firstly, these refractories are renowned for their exceptional thermal insulation properties, enabling them to effectively withstand extreme temperatures and prevent heat loss. This is particularly crucial in iron and steel operations where high temperatures are involved in processes like melting, casting, and heat treatment. By minimizing heat loss, monolithic refractories help maintain a stable temperature environment, thereby reducing accident risks and ensuring personnel safety. Secondly, monolithic refractories offer outstanding resistance to chemical attacks. In iron and steel operations, the presence of different chemicals and gases can corrode and deteriorate the linings of furnaces, ladles, and other equipment. By serving as a protective barrier, monolithic refractories prevent the penetration of these corrosive substances, prolonging the equipment's lifespan and minimizing the chances of failures or leaks that could pose safety hazards. Moreover, monolithic refractories are known for their structural integrity and high mechanical strength. In iron and steel operations, heavy loads and stresses are common, especially during the handling and movement of molten metal and raw materials. Monolithic refractories can withstand these stresses without cracking or collapsing, ensuring the equipment's structural stability and minimizing accidents or equipment failures. Additionally, monolithic refractories exhibit excellent thermal shock resistance. In iron and steel operations, sudden temperature changes can occur due to the introduction of cold materials or liquids into hot equipment. This thermal shock can cause cracking and spalling of the refractory lining, compromising the operation's safety and efficiency. With their ability to withstand thermal shock, monolithic refractories help minimize the risk of unexpected failures and maintain the operation's overall safety. In conclusion, monolithic refractories significantly contribute to the overall safety of iron and steel operations through their high thermal insulation, chemical resistance, structural integrity, and thermal shock resistance. By ensuring a stable temperature environment, protecting against chemical attacks, withstanding heavy loads, and resisting thermal shock, monolithic refractories help prevent accidents, equipment failures, and potential hazards, creating a safer working environment for personnel in the iron and steel industry.
- Q: How do monolithic refractories enhance the performance of ladles and tundishes?
- Monolithic refractories play a crucial role in enhancing the performance of ladles and tundishes in several ways. Firstly, monolithic refractories are known for their high thermal stability and resistance to thermal shock. Ladles and tundishes are subjected to extreme temperatures and thermal cycling during the process of molten metal transfer. Monolithic refractories provide excellent insulation and structural integrity, ensuring that the ladles and tundishes can withstand these harsh conditions without experiencing cracking or failure. Furthermore, monolithic refractories offer exceptional corrosion resistance. In the ladle and tundish environments, molten metal, slag, and other chemicals can cause corrosion and erosion of the lining. Monolithic refractories are designed to resist these corrosive agents, extending the service life of ladles and tundishes and minimizing the need for frequent repairs or replacements. Another advantage of monolithic refractories is their ability to form a tight and seamless lining. Unlike traditional brick or tile linings, which have joints that can deteriorate over time, monolithic refractories are typically applied as a single, continuous layer. This seamless lining significantly reduces the risk of metal and slag penetration, ensuring better containment of the molten metal and preventing contamination. Moreover, monolithic refractories offer versatility and ease of installation. They can be easily shaped and applied to various complex geometries, allowing for customized linings in ladles and tundishes. This versatility also enables faster installation and reduces downtime during maintenance and repairs. Overall, the use of monolithic refractories in ladles and tundishes contributes to improved performance, increased operational efficiency, and reduced costs. Their ability to withstand extreme temperatures, resist corrosion, provide a tight lining, and offer ease of installation makes them a preferred choice in the steel and foundry industries.
- Q: What are the main challenges in designing the lining system with monolithic refractories?
- One of the main challenges in designing the lining system with monolithic refractories is achieving proper installation. Monolithic refractories are typically installed by casting, gunning, or shotcreting, which requires skilled labor and precise application techniques. Any errors or inconsistencies during installation can compromise the performance and longevity of the lining system. Another challenge is ensuring adequate bonding between the monolithic refractories and the existing structure. Proper adhesion is crucial to prevent refractory material from delaminating or separating from the underlying surface. Factors such as surface preparation, temperature differentials, and mechanical stress can affect the bond strength, requiring careful consideration during the design phase. The compatibility of monolithic refractories with various operating conditions is another challenge. Refractory materials are exposed to extreme temperatures, chemical reactions, and thermal cycling, which can lead to degradation and failure. Designing a lining system that can withstand these conditions requires a thorough understanding of the refractory properties and the specific requirements of the application. Furthermore, selecting the right monolithic refractory material for a given lining system is a significant challenge. There are various types of monolithic refractories available, each with its own strengths and weaknesses. Factors such as temperature range, chemical composition, thermal conductivity, abrasion resistance, and thermal shock resistance need to be considered when choosing the most suitable material for the application. Lastly, maintaining the integrity of the monolithic refractory lining system over its lifetime is a challenge. Regular inspections, repairs, and maintenance are necessary to address any issues such as cracks, erosion, or spalling. Developing a comprehensive maintenance plan and ensuring access to skilled personnel for repairs are essential aspects of designing a successful lining system with monolithic refractories.
- Q: What are the factors to consider when selecting monolithic refractories for specific applications?
- When selecting monolithic refractories for specific applications, there are several factors that need to be considered. These factors include the operating temperature, chemical environment, mechanical stress, and the desired performance characteristics of the refractory material. The operating temperature is a crucial factor to consider as different monolithic refractories have different temperature limits. It is important to choose a refractory material that can withstand the specific temperature range of the application without suffering from thermal spalling or degradation. The chemical environment in which the refractory will be exposed is another crucial factor. Different applications may involve exposure to various chemicals, acids, alkalis, or gases. It is essential to select a monolithic refractory that is chemically resistant to the specific environment to ensure prolonged durability and performance. Mechanical stress is also an important consideration when selecting monolithic refractories. Some applications may involve high mechanical stress such as abrasion, impact, or thermal shock. It is crucial to choose a refractory material that can withstand these stresses without cracking or failure. The desired performance characteristics of the refractory material should also be taken into account. This includes factors such as thermal conductivity, thermal expansion, density, and strength. The application requirements will dictate the specific performance characteristics needed, and the refractory material should be chosen accordingly. Other factors to consider include installation method, availability, cost, and maintenance requirements. Some monolithic refractories may require specialized installation techniques, while others may be more readily available and cost-effective. Additionally, the maintenance requirements of the refractory material should be considered to ensure ease of upkeep and longevity. Overall, selecting the right monolithic refractories for specific applications requires careful consideration of factors such as operating temperature, chemical environment, mechanical stress, desired performance characteristics, installation method, availability, cost, and maintenance requirements. By considering these factors, one can choose the most suitable refractory material that will provide optimal performance and durability in the given application.
- Q: What are the specific requirements of monolithic refractories for continuous casting applications?
- The specific requirements of monolithic refractories for continuous casting applications are designed to withstand the extreme temperatures and thermal shock conditions experienced during the continuous casting process. Firstly, these refractories must have high thermal conductivity to effectively transfer heat away from the molten metal and maintain a stable casting temperature. This helps to prevent the formation of defects such as cracks, hot spots, and uneven solidification in the cast product. Secondly, monolithic refractories for continuous casting applications must have high refractoriness, meaning they can withstand the high temperatures of the molten metal without melting or deforming. This ensures the refractories can provide a protective lining and maintain their structural integrity throughout the casting process. Additionally, these refractories must have excellent resistance to thermal shock. The continuous casting process involves rapid cooling and heating cycles, which can create significant temperature differentials and induce thermal stresses. Monolithic refractories with low thermal expansion and high thermal shock resistance can withstand these conditions without cracking or spalling. Furthermore, good erosion and corrosion resistance are crucial requirements for monolithic refractories in continuous casting applications. The molten metal and slag can be highly corrosive and abrasive, leading to wear and chemical attack on the refractory lining. Hence, refractories with high resistance to erosion and corrosion are essential to ensure the longevity and stability of the lining. Lastly, monolithic refractories for continuous casting applications should have good workability and ease of installation. This allows for efficient and precise lining installation, reducing downtime during maintenance or repairs. Overall, the specific requirements of monolithic refractories for continuous casting applications include high thermal conductivity, refractoriness, thermal shock resistance, erosion and corrosion resistance, as well as good workability. Meeting these requirements ensures the refractories can effectively protect the casting equipment and maintain the quality of the cast products.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish drying furnaces?
- Monolithic refractories improve the efficiency of ladle and tundish drying furnaces in several ways. Firstly, monolithic refractories offer a high degree of thermal insulation. These refractories have low thermal conductivity, which means they can effectively reduce heat transfer from the furnace to the surrounding environment. This insulation property helps to minimize heat losses, allowing the furnace to maintain a higher temperature for a longer period of time. As a result, the drying process becomes more efficient as the heat is retained within the furnace, reducing the overall energy consumption. Secondly, monolithic refractories have excellent resistance to thermal shock. During the heating and cooling cycles of the furnace, rapid temperature changes can cause stress and cracks in the refractory material. However, monolithic refractories are designed to withstand these thermal shocks and maintain their structural integrity. This durability ensures a longer lifespan of the refractory lining, reducing the need for frequent repairs or replacements. Consequently, the furnace operates at optimal efficiency without the downtime associated with maintenance. Additionally, monolithic refractories provide good mechanical strength and abrasion resistance. These properties are crucial in ladle and tundish drying furnaces, as they are exposed to mechanical stresses and abrasive materials such as molten metal and slag. The use of monolithic refractories ensures that the lining can withstand these harsh conditions without undergoing structural damage. This resistance to wear and tear increases the overall efficiency of the furnace, as it can operate for longer periods without interruptions. Lastly, monolithic refractories offer greater design flexibility compared to traditional brick or tile refractories. Their ability to be cast or gunned onto the lining surface allows for easy installation and repair. This flexibility enables the furnace to be customized and adapted to specific requirements, ensuring optimal heat distribution and efficient drying processes. In conclusion, monolithic refractories improve the efficiency of ladle and tundish drying furnaces through their thermal insulation, resistance to thermal shock, mechanical strength, and design flexibility. By reducing heat losses, increasing durability, withstanding harsh conditions, and allowing for easy installation and repair, these refractories optimize the performance and energy efficiency of the furnaces.
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Monolithic Refractories High Performance & 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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