Monolithic Refractories High Performance Ladle Slide Gate for Iron and Steel Industry 2024
- 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 advancements in monolithic refractory technology for the iron and steel industry?
- There have been several advancements in monolithic refractory technology for the iron and steel industry. One significant advancement is the development of low-cement castables, which have improved high-temperature strength, thermal shock resistance, and erosion resistance compared to conventional castables. Another advancement is the introduction of ultra-low cement castables, which offer even higher strength and improved resistance to spalling and alkali attacks. Additionally, the use of advanced bonding systems and additives has led to the development of self-flowing castables, making installation easier and more efficient. These advancements have greatly improved the performance and longevity of refractory linings in iron and steel industry applications.
- Q: How do monolithic refractories prevent slag penetration?
- Slag penetration is effectively prevented by monolithic refractories due to several mechanisms. Firstly, the high-quality materials used in monolithic refractories, such as alumina, silica, and magnesia, possess exceptional resistance to slag attack. These materials have a high melting point and can endure the corrosive nature of the slag. Secondly, the design of monolithic refractories incorporates a dense and compact structure that minimizes porosity. Slag penetration occurs when the molten slag infiltrates the pores and cracks of the refractory material. By reducing porosity, monolithic refractories create a barrier that restricts the entry of slag into the refractory lining. Furthermore, monolithic refractories can be chemically bonded to the substrate, resulting in a strong and impermeable bond. This bond enhances resistance to slag penetration by eliminating any gaps or weak points through which the slag could seep. Moreover, monolithic refractories can possess a high thermal shock resistance. Slag penetration is often intensified by thermal cycling, wherein the refractory material undergoes rapid temperature changes. Monolithic refractories with high thermal shock resistance can endure these temperature fluctuations without cracking or spalling, therefore decreasing the risk of slag penetration. Additionally, the effective prevention of slag penetration relies on the proper installation and maintenance of monolithic refractories. The refractory lining must be appropriately designed, with the right thickness and geometry, in order to provide maximum protection against slag attack. Regular inspection and repair of any damaged or worn-out areas can also prevent slag penetration. In summary, 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. By working together, these factors create a robust and impermeable barrier that safeguards the underlying substrate from the corrosive effects of slag.
- Q: How do monolithic refractories withstand mechanical stress in the iron and steel industry?
- Monolithic refractories are designed to endure mechanical stress in the iron and steel industry due to their distinctive composition and properties. Unlike traditional brick-like refractories, which consist of multiple pieces, these refractories have a single, uniform structure. This monolithic structure offers several advantages in terms of mechanical stress resistance. To begin with, monolithic refractories possess greater strength and density compared to traditional refractories. This enables them to withstand the mechanical forces exerted during various processes in the iron and steel industry, such as the movement of molten metal, the impact of scrap materials, or the pressure from gases and liquids. Their superior strength and density help prevent cracking, deformation, or failure under these stressful conditions. Moreover, monolithic refractories provide excellent resistance to thermal shock, which is crucial in the iron and steel industry. The rapid heating and cooling cycles experienced in processes like steelmaking or iron casting can subject refractories to thermal stress. However, the monolithic structure of these refractories allows for better thermal conductivity and expansion, reducing the risk of thermal shock damage. This ability to withstand thermal stress contributes to their overall resistance to mechanical stress. Furthermore, monolithic refractories can be customized and applied on-site, resulting in a seamless lining that eliminates joints or weak spots. This seamless application ensures a more uniform distribution of stress and prevents the formation of cracks or gaps that could weaken the refractory lining. By eliminating these vulnerabilities, monolithic refractories enhance their ability to resist mechanical stress in the demanding conditions of the iron and steel industry. In conclusion, monolithic refractories endure mechanical stress in the iron and steel industry due to their high strength and density, superior resistance to thermal shock, and seamless application. These properties enable them to withstand the intense mechanical forces encountered during various processes, ensuring the durability and efficiency of refractory linings in this demanding industry.
- Q: How do monolithic refractories contribute to the safety of iron and steel operations?
- Monolithic refractories play a crucial role in ensuring the safety of iron and steel operations. They provide excellent thermal insulation and resistance to high temperatures, preventing heat transfer to the environment and minimizing the risk of accidents or fires. Additionally, these refractories possess high mechanical strength and chemical resistance, protecting the structural integrity of furnaces and other equipment under extreme conditions. By effectively containing heat and maintaining the stability of the production process, monolithic refractories enhance the overall safety and reliability of iron and steel operations.
- Q: How do monolithic refractories enhance the performance of ladle and tundish covers?
- Monolithic refractories play a crucial role in enhancing the performance of ladle and tundish covers in several ways. Firstly, monolithic refractories offer excellent thermal insulation properties. Ladles and tundishes are exposed to extremely high temperatures during the steelmaking process. By using monolithic refractories, the covers can effectively trap and retain heat, preventing excessive heat loss. This insulation capability not only helps to maintain the desired temperature of the molten steel but also reduces the energy consumption required for heating. Secondly, monolithic refractories provide superior resistance to thermal shock. When ladles and tundishes are filled with molten steel, there is a rapid and drastic temperature change in the refractory lining. This thermal shock can cause cracking and spalling of the lining, compromising its integrity. However, monolithic refractories possess high thermal shock resistance, allowing them to withstand these sudden temperature fluctuations without significant damage. This ensures the longevity and durability of the ladle and tundish covers. Furthermore, monolithic refractories exhibit excellent corrosion resistance. The molten steel and other aggressive chemicals present in the ladles and tundishes can erode the refractory lining over time. However, monolithic refractories are specifically designed to withstand these corrosive environments, protecting the covers from chemical attack and erosion. This resistance to corrosion enhances the lifespan of the ladle and tundish covers, reducing the need for frequent replacements and associated downtime. Additionally, monolithic refractories offer good mechanical strength and stability. The ladles and tundishes undergo various mechanical stresses, including the weight of the molten steel, thermal expansions, and vibrations. The use of monolithic refractories provides the necessary strength and stability to withstand these mechanical forces, preventing structural failures and maintaining the integrity of the covers. In summary, monolithic refractories enhance the performance of ladle and tundish covers by providing excellent thermal insulation, resistance to thermal shock and corrosion, and sufficient mechanical strength. These properties ensure efficient steelmaking processes, reduce maintenance costs, and prolong the lifespan of ladles and tundishes.
- Q: What are monolithic refractories and how are they different from other refractory materials?
- Monolithic refractories are a type of refractory material that are composed of a single, homogeneous structure, as opposed to being made up of multiple separate pieces. They are different from other refractory materials, such as bricks or tiles, which are assembled together to form a lining. Monolithic refractories are typically made from a combination of aggregates, binders, and additives, which are mixed together and applied in a plastic or semi-plastic state. This allows for easier installation, as they can be shaped and formed to fit the specific dimensions of the furnace or kiln. Additionally, monolithic refractories offer benefits such as better thermal shock resistance, reduced joints and seams, and improved overall performance due to their seamless nature.
- Q: How do monolithic refractories withstand chemical attack from molten metals and slag?
- Due to their unique composition and structure, monolithic refractories exhibit high resistance to chemical attack from molten metals and slag. Unlike refractories with joints or seams, monolithic refractories are made from a single, solid piece, minimizing the chance of chemical penetration. The ability to withstand chemical attack is attributed to several factors. Firstly, monolithic refractories have a high melting point, which surpasses the temperature of the molten substances they encounter. This prevents them from melting or deforming upon contact with hot metals or slag. Additionally, the chemical resistance of monolithic refractories is enhanced by their formulation with materials that possess excellent resistance to chemicals. These materials, such as alumina, magnesia, and zirconia, form stable compounds and have a strong affinity for oxygen. Consequently, when exposed to molten substances, the refractories develop a protective oxide layer on their surface, effectively shielding them from chemical attack. Furthermore, the dense and compact structure of monolithic refractories plays a crucial role in their ability to resist chemical attack. The absence of joints and seams reduces the chances of molten metals and slag infiltrating the refractories and initiating chemical reactions. This dense structure also reduces the porosity of the material, making it less permeable to aggressive substances. Moreover, manufacturers often incorporate specialized additives, such as fibers, binders, and corrosion inhibitors, into monolithic refractories to further enhance their chemical resistance. These additives contribute to the refractories' ability to withstand chemical attack. In conclusion, monolithic refractories are designed to endure chemical attack from molten metals and slag through their high melting point, chemically resistant composition, dense structure, and specialized additives. These properties enable them to maintain their integrity and performance even in the most challenging environments, making them an ideal choice for applications involving high temperatures and corrosive substances.
- Q: What are the advantages of using monolithic refractories in electric arc furnaces?
- There are several advantages of using monolithic refractories in electric arc furnaces. Firstly, monolithic refractories offer superior thermal shock resistance, allowing them to withstand rapid temperature changes without cracking or failing. This is crucial in electric arc furnaces where the temperature can fluctuate significantly during the melting process. Additionally, monolithic refractories have excellent corrosion resistance, which is essential in electric arc furnaces that often come into contact with corrosive molten metals and slag. They can withstand the corrosive effects, ensuring longer service life and reduced maintenance costs. Moreover, monolithic refractories provide ease of installation and repair. Unlike traditional bricks, they can be easily shaped and applied in various furnace designs, minimizing installation time and labor costs. In case of any damage, they can also be easily patched or replaced, allowing for quicker repairs and reduced downtime. Lastly, monolithic refractories offer improved energy efficiency due to their lower thermal conductivity. This means that less heat is lost to the surroundings, resulting in higher operational efficiency and reduced energy consumption. Overall, the advantages of using monolithic refractories in electric arc furnaces include superior thermal shock and corrosion resistance, ease of installation and repair, and improved energy efficiency, making them a preferred choice for these high-temperature industrial applications.
- Q: What are the recommended installation techniques for monolithic refractories?
- The recommended installation techniques for monolithic refractories typically involve proper surface preparation, mixing of refractory materials, and precise application. It is crucial to clean and remove any loose debris from the substrate before installation. The refractory materials should be mixed thoroughly with the appropriate water content to achieve the desired consistency. It is recommended to use vibration or tamping techniques during application to remove air pockets and ensure proper compaction. Careful curing and drying processes should be followed to prevent thermal shock and achieve optimal performance.
- Q: What are the key factors to consider when designing the lining system with monolithic refractories?
- When designing a lining system with monolithic refractories, there are several key factors that need to be considered in order to ensure optimal performance and longevity of the lining. These factors include: 1. Material selection: Choosing the right monolithic refractory material is crucial. Factors such as the operating temperature, chemical environment, and mechanical stress need to be taken into account. Different monolithic refractories have varying properties and performance characteristics, so selecting the most suitable material for the specific application is essential. 2. Thermal expansion: Monolithic refractories, like any other material, expand and contract with changes in temperature. It is important to consider the thermal expansion properties of the refractory material and how it will interact with the surrounding structure. Proper expansion joints or design features should be incorporated to accommodate thermal expansion and prevent cracking or spalling. 3. Installation technique: The method of installation plays a critical role in the performance of the lining system. It is important to follow the manufacturer's guidelines for mixing, placing, and curing the monolithic refractory material. Improper installation can lead to reduced lining integrity, decreased thermal conductivity, and compromised structural stability. 4. Bonding and anchoring: Ensuring a strong bond between the monolithic refractory and the substrate is essential for effective lining performance. Proper surface preparation, selection of suitable bonding agents, and appropriate anchoring techniques should be considered to enhance the adhesion and stability of the lining system. 5. Structural design: The structural design of the lining system should be carefully planned to withstand the mechanical stresses and operational conditions. Factors such as load-bearing capacity, thermal shock resistance, and thermal cycling should be taken into consideration during the design phase. Reinforcement materials, such as steel fibers or mesh, may be required to enhance the structural integrity and prevent cracking or spalling. 6. Maintenance and repair: Anticipating the need for maintenance and repair is crucial for the longevity of the lining system. Consideration should be given to access points, inspection ports, and repair techniques. Regular inspections and proactive maintenance can help identify and address any issues before they escalate and lead to major failures. By considering these key factors when designing the lining system with monolithic refractories, one can ensure a well-designed and effective lining that can withstand the harsh conditions and provide long-term performance.
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Monolithic Refractories High Performance Ladle Slide Gate for Iron and Steel Industry 2024
- 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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