Monolithic Refractories High Performance & Temperature Ladle Sliding Gate for Steel
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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
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: How do monolithic refractories perform in rotary hearth furnace applications?
- Monolithic refractories are known for their excellent performance in rotary hearth furnace applications. These refractories are designed to withstand the extreme temperatures and harsh conditions found in rotary hearth furnaces, making them an ideal choice for this specific application. One of the main advantages of monolithic refractories is their ability to resist thermal shock. In a rotary hearth furnace, the material being processed is subjected to rapid heating and cooling cycles, which can cause significant thermal stress on the refractory lining. Monolithic refractories have high thermal conductivity and low thermal expansion, allowing them to withstand these temperature fluctuations without cracking or spalling. Another key characteristic of monolithic refractories is their excellent abrasion resistance. In a rotary hearth furnace, the material being processed can contain abrasive particles that can erode the refractory lining over time. Monolithic refractories are formulated with high-quality aggregates and binders that offer superior resistance to abrasion, ensuring a longer service life for the lining. Furthermore, monolithic refractories have good chemical resistance, making them suitable for a wide range of applications in rotary hearth furnaces. They can withstand exposure to various chemical substances, such as molten metals, slags, and gases, without undergoing significant chemical reactions or degradation. This chemical stability ensures that the refractory lining remains intact and maintains its performance in the demanding environment of a rotary hearth furnace. Additionally, monolithic refractories offer excellent installation flexibility. Unlike traditional brick or tile refractories, which require complex installation procedures, monolithic refractories can be easily shaped and applied in-situ using various methods, such as gunning, casting, or ramming. This flexibility allows for quicker and more efficient lining repairs or replacements, reducing downtime and maintenance costs. In conclusion, monolithic refractories are highly reliable and efficient in rotary hearth furnace applications. Their ability to resist thermal shock, abrasion, and chemical attack, coupled with their easy installation, make them the preferred choice for lining materials in these demanding environments.
- Q: What are the main causes of monolithic refractory failure in the iron and steel industry?
- The main causes of monolithic refractory failure in the iron and steel industry include thermal cycling, chemical attack, mechanical wear, and improper installation or curing.
- Q: What is the role of monolithic refractories in blast furnaces?
- Monolithic refractories have a crucial function in blast furnaces, as they offer high-temperature resistance and excellent durability in the furnace's harsh operating conditions. Blast furnaces are utilized in the ironmaking process to transform iron ore into molten iron, and monolithic refractories are essential for lining the furnace's interior. Withstanding extreme temperatures is one of the main purposes of monolithic refractories in blast furnaces. The furnace's interior can reach temperatures as high as 2,500 degrees Celsius, and monolithic refractories are specifically designed to preserve their structural integrity and shield the furnace lining from thermal shock and erosion caused by these high temperatures. Monolithic refractories also provide insulation, preventing heat loss from the furnace. This is significant as it helps to maintain the desired temperature for efficient iron production. By minimizing heat loss, monolithic refractories contribute to energy conservation and improved overall furnace performance. Another critical role of monolithic refractories is to resist chemical attack from the molten iron and slag. The materials employed in blast furnaces, such as iron ore, coke, and limestone, undergo various chemical reactions during the ironmaking process. Monolithic refractories are engineered to withstand the corrosive effects of these reactions, ensuring a longer lifespan for the furnace lining. Furthermore, monolithic refractories offer exceptional mechanical strength and resistance to abrasion. The materials processed in a blast furnace, including iron ore and coke, can be abrasive. Monolithic refractories act as a protective barrier against this abrasive action, preventing damage to the furnace lining and extending its lifespan. In conclusion, the role of monolithic refractories in blast furnaces is to endure extreme temperatures, provide insulation, resist chemical attack, and offer mechanical strength against abrasion. These properties contribute to the efficient operation and longevity of blast furnaces, enabling the production of molten iron for various industrial applications.
- Q: How do monolithic refractories withstand thermal shock and mechanical stress?
- Monolithic refractories are engineered to withstand high temperatures and harsh working conditions, making them ideal for applications that involve thermal shock and mechanical stress. Firstly, monolithic refractories are designed with a high thermal conductivity, which allows them to quickly absorb and distribute heat. This property helps to minimize thermal gradients within the material, reducing the risk of thermal shock. When exposed to sudden temperature changes, the refractory material expands and contracts uniformly, preventing cracks and fractures from forming. Secondly, these refractories have excellent thermal shock resistance due to their low thermal expansion coefficient. This means that they have a minimal tendency to expand or contract when subjected to temperature fluctuations. As a result, they can withstand rapid changes in temperature without experiencing significant structural damage. Furthermore, monolithic refractories possess high mechanical strength, enabling them to withstand various types of mechanical stress. They are formulated with carefully selected raw materials and additives that enhance their load-bearing capacity and resistance to mechanical forces. This enables them to withstand the weight of the surrounding materials, as well as any external forces or vibrations that may be present in the application environment. Moreover, monolithic refractories have good structural integrity and stability, thanks to their dense and compact microstructure. These materials are typically formed by a combination of fine powders, binders, and additives, which are mixed and shaped to create a solid, cohesive structure. This structure provides resistance against mechanical stress, preventing the refractories from crumbling or disintegrating under pressure. In summary, monolithic refractories withstand thermal shock and mechanical stress through their high thermal conductivity, low thermal expansion coefficient, robust mechanical strength, and structural integrity. These properties make them reliable and durable materials for applications requiring resistance to extreme temperatures and challenging operating conditions.
- Q: What are the specific requirements of monolithic refractories for steel ladle purging applications?
- Monolithic refractories used for steel ladle purging applications need to possess specific characteristics. These include high resistance to thermal shock and spalling, excellent erosion and corrosion resistance, low porosity, and high strength at high temperatures. Additionally, they should have good thermal conductivity and be capable of withstanding aggressive steel compositions and temperatures. Overall, the specific requirements for monolithic refractories in steel ladle purging applications are aimed at ensuring durability, longevity, and optimal performance in the harsh conditions of the steelmaking process.
- 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: 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 limitations of monolithic refractories in high-temperature applications?
- Monolithic refractories are renowned for their versatility and ease of installation, which has made them a popular choice in various high-temperature settings. However, it is important to take into account their specific limitations. To begin with, monolithic refractories have a restricted ability to withstand thermal shock. Significant temperature changes, such as those encountered during start-up or shutdown procedures, can subject them to thermal stress, resulting in cracking or spalling. This can be a significant issue in scenarios where the refractory is exposed to frequent temperature fluctuations. Moreover, monolithic refractories possess comparatively lower mechanical strength in comparison to traditional brick or block refractories. This can lead to a diminished ability to withstand mechanical stress, including abrasion or impact, particularly in high-temperature environments. Consequently, they may not be suitable for applications that involve high mechanical loading or abrasive conditions. Another drawback of monolithic refractories is their vulnerability to chemical attack. Certain aggressive chemical environments can trigger chemical reactions with the refractory material, leading to deterioration or corrosion. This becomes a concern in applications that involve acidic or alkaline substances, where specialized refractory materials may be necessary. Additionally, monolithic refractories are more susceptible to spalling or erosion caused by thermal cycling. The repetitive expansion and contraction of the refractory material due to temperature changes can result in the formation of cracks or gaps, making them more prone to erosion from gases or liquids. This limitation must be carefully considered in applications where long-term durability is crucial. Lastly, repairing or replacing monolithic refractories can be challenging compared to brick or block refractories. Once installed, removing and replacing a monolithic lining can prove difficult, especially in complex shapes or confined spaces. This limitation can lead to prolonged downtime or increased maintenance and repair costs. In conclusion, while monolithic refractories offer numerous advantages in high-temperature applications, they also come with limitations in terms of thermal shock resistance, mechanical strength, chemical resistance, erosion, and repairability. It is crucial to thoroughly assess these limitations to ensure the suitability of monolithic refractories for specific application requirements.
- Q: How do monolithic refractories contribute to the reduction of heat loss in ladles and tundishes?
- The use of monolithic refractories is crucial in reducing heat loss in ladles and tundishes. These refractories are designed to have excellent thermal insulation properties, which effectively minimize the transfer of heat from the molten metal to the surrounding environment. Conduction is a key factor that contributes to heat loss in ladles and tundishes. It occurs when heat is transferred through direct contact with the refractory lining. However, monolithic refractories are specifically engineered to have low thermal conductivity, making them efficient in reducing heat transfer through conduction. This, in turn, helps to maintain the desired temperature of the molten metal for longer periods, resulting in lower energy consumption and improved process efficiency. Additionally, monolithic refractories also aid in reducing heat loss through radiation. They have high emissivity, meaning they emit a significant amount of thermal radiation. This emitted radiation creates a heat shield around the molten metal, preventing heat loss to the surroundings. By effectively trapping the radiant heat, monolithic refractories contribute to maintaining the desired temperature in ladles and tundishes, minimizing heat loss. Apart from their thermal insulation properties, monolithic refractories also offer excellent resistance to thermal shock and mechanical stress. This ensures that they remain intact and functional even in the harsh operating conditions of ladles and tundishes. The durability of these refractories further contributes to the reduction of heat loss by preventing any cracks or gaps in the refractory lining that could facilitate heat transfer. To summarize, monolithic refractories play a significant role in reducing heat loss in ladles and tundishes by minimizing heat transfer through conduction and radiation. Their thermal insulation properties, combined with their resistance to thermal shock and mechanical stress, help to maintain the desired temperature of the molten metal, improve energy efficiency, and enhance the overall performance of these metallurgical vessels.
- Q: How does the choice of monolithic refractory impact the overall cost of iron and steel production?
- The overall cost of iron and steel production can be greatly affected by the choice of monolithic refractory. Monolithic refractory, unlike traditional brick or tile refractories, refers to a type of refractory material that is installed continuously. One important factor that impacts the cost of iron and steel production is the lifespan of the refractory. Monolithic refractories generally have a longer lifespan compared to traditional brick or tile refractories. This means that they require less frequent maintenance and replacement, resulting in lower overall costs over time. Additionally, monolithic refractories have a higher resistance to thermal shock and mechanical stress, which further extends their lifespan and reduces the need for repairs and replacements. Another crucial consideration is the energy efficiency of the monolithic refractory. These refractories possess better insulation properties, leading to reduced heat loss during the iron and steel production process. This helps lower energy consumption and, consequently, the overall cost of production. The improved insulation also contributes to a more stable and controlled temperature profile within the furnace, resulting in better product quality and reduced scrap rates. Furthermore, monolithic refractories offer greater flexibility in terms of installation and repair. They can be easily applied to complex shapes and structures, allowing for more efficient use of refractory materials. This reduces waste and lowers material costs. The ease of installation also saves time and labor, further contributing to cost savings. Additionally, monolithic refractories are known for their superior performance in high-temperature environments. They exhibit excellent thermal conductivity and resistance to chemical attacks, ensuring optimal furnace operation and reducing the likelihood of downtime and production delays. This, in turn, minimizes the impact of unexpected maintenance, repairs, and shutdowns on the overall cost of iron and steel production. In conclusion, the choice of monolithic refractory has a significant impact on the overall cost of iron and steel production. Its longer lifespan, improved energy efficiency, ease of installation and repair, and superior performance in high-temperature environments all contribute to cost savings in various aspects of the production process. Thus, careful consideration of the type of monolithic refractory used can result in significant cost reductions and improved overall efficiency in iron and steel production.
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Monolithic Refractories High Performance & Temperature Ladle Sliding Gate for Steel
- 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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