Monolithic Refractories High Performance & Temperature Ladle Sliding Gate 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
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 common failure mechanisms of monolithic refractories in the iron and steel industry?
- Common failure mechanisms observed in monolithic refractories within the iron and steel industry include: 1. Thermal spalling: Monolithic refractories endure extreme temperature variations during the iron and steel production process. These rapid changes in temperature can cause the refractory material to expand and contract, resulting in thermal stress and eventual spalling. This failure mechanism is particularly prevalent in areas where the refractory is exposed to elevated temperatures, such as the hot face of a furnace. 2. Chemical attack: The iron and steel production process involves the utilization of various chemicals and molten metal, which can react with the refractory material over time. Chemical attack can lead to the deterioration of the refractory, resulting in cracks, erosion, and eventual failure. Slag, alkalis, sulfur, and other impurities present in the production environment are commonly responsible for this type of damage. 3. Abrasion: The movement of materials, such as iron ore, coke, and fluxes, can cause abrasion on the refractory lining. This mechanical wear and tear weaken the refractory material, eventually leading to failure. Areas experiencing high material flow rates or turbulence, such as tapholes or launder systems, are particularly prone to abrasion. 4. Corrosion: Monolithic refractories can be susceptible to corrosion caused by gases, liquids, and solids found in the iron and steel production environment. Corrosion occurs due to the presence of oxygen, water vapor, and various chemical compounds, such as carbon monoxide and sulfur compounds. It results in the formation of corrosive products, such as oxides or sulfides, which degrade the refractory material over time. 5. Mechanical stress: Monolithic refractories may undergo mechanical stress due to factors like thermal expansion and contraction, vibration, or mechanical impact. Excessive mechanical stress can lead to the development of cracks or fractures in the refractory lining, compromising its integrity and resulting in failure. To mitigate these failure mechanisms, it is crucial to select appropriate refractory materials, conduct regular inspections, and perform necessary maintenance. Furthermore, designing refractory linings that consider specific operational conditions and employing appropriate installation techniques can enhance their performance and lifespan within the iron and steel industry.
- Q: How do monolithic refractories help in reducing energy consumption in iron and steel production?
- Monolithic refractories play a vital role in the reduction of energy consumption in iron and steel production. These refractories are heat-resistant materials utilized to line the walls and floors of furnaces and other high-temperature equipment. One of the main ways monolithic refractories aid in energy reduction is through their exceptional thermal insulation properties. These materials possess low thermal conductivity, which effectively minimizes heat loss from the furnace or equipment. By keeping heat loss to a minimum, monolithic refractories help maintain a consistent and high temperature inside the furnace, resulting in enhanced energy efficiency. This allows for better utilization of generated heat, reducing the need for additional energy input and ultimately leading to energy savings. Additionally, monolithic refractories exhibit high thermal stability and resistance to thermal shock. This enables them to withstand the extreme temperatures and rapid temperature changes frequently encountered in iron and steel production processes. By having a robust and dependable lining, these refractories prevent heat leakage and ensure efficient heat transfer to desired areas, reducing energy wastage. Furthermore, monolithic refractories contribute to energy reduction by resisting chemical attack and erosion. In iron and steel production, furnaces and equipment linings are exposed to aggressive substances like molten metal, slag, and gases. Monolithic refractories exhibit excellent resistance to these corrosive elements, prolonging their lifespan and reducing the need for frequent repairs or replacements. This not only saves energy required for maintenance but also avoids production interruptions and associated energy losses. In conclusion, monolithic refractories aid in the reduction of energy consumption in iron and steel production by providing effective thermal insulation, withstanding extreme temperatures, and resisting chemical attack. By optimizing heat management and extending equipment durability, these refractories significantly contribute to energy efficiency and cost savings in the industry.
- Q: How are monolithic refractories used in the repair and maintenance of ladles and tundishes?
- Monolithic refractories are used in the repair and maintenance of ladles and tundishes by providing a durable and heat-resistant lining. These refractories can be easily shaped and applied, allowing for quick repairs and preventing heat loss or leakage. They also offer excellent resistance to thermal shocks and chemical corrosion, ensuring a longer lifespan for ladles and tundishes. Monolithic refractories play a crucial role in maintaining the structural integrity and temperature control of these vessels, ultimately improving their overall performance and efficiency.
- Q: How do monolithic refractories prevent slag penetration?
- Monolithic refractories prevent slag penetration through several mechanisms. Firstly, monolithic refractories are made up of high-quality materials that have excellent resistance to slag attack. These materials, such as alumina, silica, and magnesia, have a high melting point and can withstand the corrosive nature of the slag. Secondly, monolithic refractories are designed with a dense and compact structure that minimizes the porosity. Slag penetration occurs when the molten slag infiltrates the pores and cracks of the refractory material. By reducing the porosity, monolithic refractories create a barrier that restricts the entry of slag into the refractory lining. Additionally, monolithic refractories can be chemically bonded to the substrate, forming a strong and impermeable bond. This bond further enhances the resistance to slag penetration by preventing any gaps or weak points where the slag can penetrate. Moreover, monolithic refractories can be designed with a high thermal shock resistance. Slag penetration is often intensified by thermal cycling, where the refractory material undergoes rapid temperature changes. Monolithic refractories with high thermal shock resistance can withstand these temperature fluctuations without cracking or spalling, thus reducing the risk of slag penetration. Furthermore, the proper installation and maintenance of monolithic refractories play a crucial role in ensuring their effectiveness against slag penetration. The refractory lining needs to be properly designed, using appropriate thickness and geometry, to provide maximum protection against slag attack. Regular inspection and repair of any damaged or worn-out areas can also prevent slag penetration. In conclusion, monolithic refractories prevent slag penetration through their excellent resistance to slag attack, dense structure, chemical bonding, high thermal shock resistance, and proper installation and maintenance. These factors work together to create a strong and impermeable barrier that protects the underlying substrate from the corrosive effects of slag.
- Q: How are monolithic refractories used in the repair and maintenance of ladle and tundish linings?
- Monolithic refractories are used in the repair and maintenance of ladle and tundish linings by providing a durable and heat-resistant material that can withstand the harsh conditions of molten metal handling. These refractories are applied as a single, continuous lining, eliminating the need for individual bricks or tiles, which simplifies the repair and maintenance process. They can be easily shaped and installed in the desired areas, allowing for efficient repair of damaged sections. Monolithic refractories also offer excellent resistance to thermal shock, erosion, and corrosion, ensuring the longevity and reliability of ladle and tundish linings.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish purging furnaces?
- Monolithic refractories play a crucial role in improving the efficiency of ladle and tundish purging furnaces in several ways. Firstly, monolithic refractories have excellent thermal insulation properties. This means that they can retain heat within the furnace, minimizing heat loss to the surroundings. By reducing heat loss, monolithic refractories enable the furnaces to operate at higher temperatures, which in turn leads to improved efficiency. The higher temperatures allow for better steel refining, faster heating and purging of the ladle and tundish, and overall increased productivity. Secondly, monolithic refractories offer superior resistance to thermal shock. Purging furnaces, especially ladles and tundishes, undergo rapid heating and cooling cycles due to the continuous flow of molten metal. This thermal cycling can cause traditional refractories to crack or fail, leading to reduced efficiency and increased downtime for repairs. However, monolithic refractories have the ability to withstand these extreme temperature changes, ensuring continuous operation and minimizing the need for frequent maintenance. Thirdly, monolithic refractories provide excellent resistance to chemical attacks from molten metals and slag. During the purging process, ladles and tundishes come into contact with aggressive materials that can erode the refractory lining. Monolithic refractories are specifically engineered to withstand these harsh environments, preventing erosion and prolonging the lifespan of the furnaces. This resistance to chemical attacks not only improves efficiency by minimizing refractory wear, but also ensures the production of high-quality steel with reduced impurities. Lastly, monolithic refractories offer great versatility in terms of installation and repair. Unlike traditional refractories that require complex bricklaying techniques, monolithic refractories can be easily shaped and installed, allowing for faster and more efficient lining construction. Additionally, monolithic refractories can be easily repaired or patched, reducing downtime and ensuring continuous operation of the furnace. In conclusion, monolithic refractories greatly improve the efficiency of ladle and tundish purging furnaces by providing excellent thermal insulation, resistance to thermal shock and chemical attacks, as well as ease of installation and repair. These properties allow for higher operating temperatures, reduced heat loss, increased productivity, and prolonged furnace lifespan, ultimately enhancing the overall efficiency and performance of the steelmaking process.
- 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 monolithic refractories?
- Monolithic refractories are a type of refractory material that is manufactured as a single, homogeneous unit, as opposed to being made from individual bricks or precast shapes. They are characterized by their ability to be shaped and installed in various applications without the need for joints or mortar, making them a versatile and convenient choice for lining furnaces, boilers, kilns, and other high-temperature industrial equipment. These refractories are typically composed of a mixture of refractory aggregates, binders, and additives, which are carefully selected and combined to provide the desired properties such as high temperature resistance, thermal shock resistance, and chemical durability. The aggregates used can include materials like alumina, magnesia, zirconia, and silica, while binders like clay, cement, or phosphate are added to hold the aggregates together. One of the advantages of monolithic refractories is their ability to adapt to complex shapes and designs, allowing for customized linings that can be tailored to specific equipment requirements. They are often applied by pouring, gunning, ramming, or spraying the refractory material onto the surface to be lined, allowing for quick and efficient installation. This eliminates the need for time-consuming bricklaying and jointing, reducing installation time and labor costs. Monolithic refractories are also known for their superior thermal conductivity, which enables them to withstand high temperatures and sudden temperature changes. They offer excellent insulation properties, preventing heat loss and improving energy efficiency in industrial processes. Furthermore, these refractories exhibit good resistance to chemical attack from molten metals, slags, gases, and other corrosive substances found in various industrial environments. This makes them highly suitable for applications in industries such as steel, cement, glass, petrochemical, and non-ferrous metals. In summary, monolithic refractories are a versatile and efficient solution for high-temperature applications. Their ability to be shaped and installed without joints or mortar, coupled with their excellent thermal conductivity and chemical resistance, make them a valuable choice for lining industrial equipment that operates under extreme conditions.
- Q: What are the recommended installation techniques for monolithic refractories?
- The installation techniques for monolithic refractories depend on the specific type and application of the refractory material. However, there are general guidelines that can be followed for most installations of monolithic refractories. 1. Surface Preparation: Prior to installing monolithic refractories, it is essential to ensure that the surface is clean, dry, and free from loose particles or contaminants. This can be accomplished by removing any existing refractory materials, thoroughly cleaning the surface, and allowing it to completely dry. 2. Mixing: Monolithic refractories are typically supplied in either a dry or wet form, depending on the specific material. If the refractory is in a dry form, it must be mixed with water or a suitable liquid binder to achieve a workable consistency. It is important to follow the manufacturer's guidelines for the correct mixing ratio and duration to ensure proper bonding and setting of the refractory material. 3. Application: The technique for applying monolithic refractories can vary depending on the specific material and desired installation method. Some common techniques include troweling, gunning, ramming, and casting. - Troweling: This involves manually applying the refractory material with a trowel, typically used for thin linings or patching small areas. - Gunning: Gunning is a method of applying refractory material using a gunning machine or handheld gun. It is suitable for large areas or areas that are difficult to access. The refractory material is mixed with water or a liquid binder and sprayed onto the surface at a high velocity. - Ramming: Ramming involves compacting the refractory material into place using a ramming tool or pneumatic hammer. It is commonly used for forming furnace linings or repairing damaged areas. - Casting: Casting refers to pouring the refractory material into a mold to create a desired shape or lining. It is often used for complex shapes or large-sized components. 4. Curing and Drying: Once the refractory material is applied, it must be properly cured and dried to achieve its maximum strength and thermal properties. The curing and drying process may vary depending on the specific material, but typically involves controlled heating at a gradual rate to eliminate any remaining moisture and allow the refractory to set and harden properly. It is important to note that these are general guidelines, and it is always recommended to consult the manufacturer's instructions and specifications for the specific monolithic refractory material being used. Following the recommended installation techniques will help ensure the proper performance and longevity of the refractory lining.
- Q: What are the factors affecting the lifespan of monolithic refractories?
- The lifespan of monolithic refractories can be significantly affected by several factors. 1. Operating temperature is a critical factor. While monolithic refractories are designed to withstand high temperatures, prolonged exposure to extreme temperatures can cause thermal shock and lead to premature failure. 2. Thermal cycling, which refers to frequent temperature fluctuations, can also shorten the lifespan of monolithic refractories. The refractory material expands and contracts, creating stress that can result in cracking and degradation over time. 3. The chemical environment where the monolithic refractories are used plays a crucial role in their lifespan. Exposure to corrosive gases, acids, alkalis, or molten metals can cause chemical reactions that degrade the refractory material. 4. Mechanical stress, such as abrasion, impact, and vibration, can weaken monolithic refractories and reduce their lifespan. This is particularly important in industries with high mechanical activity, such as steelmaking or cement production. 5. Proper installation and regular maintenance are essential for maximizing the lifespan of monolithic refractories. Inadequate installation techniques or neglecting maintenance can result in weak joints, inadequate anchoring, or the growth of cracks, leading to premature failure. 6. The quality and composition of the monolithic refractory material greatly impact its lifespan. Higher-quality materials with better resistance to temperature, chemical attacks, and mechanical stress tend to have longer lifespans. 7. The design of the refractory lining and its engineering considerations, such as thickness, shape, and reinforcement, also influence the lifespan of monolithic refractories. A proper design can distribute stress more evenly, reduce thermal gradients, and improve overall performance and durability. 8. The way monolithic refractories are operated and handled can affect their lifespan. Factors such as rapid temperature changes, improper cooling or heating procedures, or excessive thermal cycling can all contribute to premature failure. In conclusion, various factors such as temperature, thermal cycling, chemical environment, mechanical stress, installation and maintenance practices, quality of refractory material, design and engineering considerations, and operating conditions all impact the lifespan of monolithic refractories. Proper management and consideration of these factors are essential for maximizing their lifespan.
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Monolithic Refractories High Performance & Temperature Ladle Sliding Gate 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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