Monolithic Refractories for Iron and Steel Industry - High Alumina Castable for Fireside and Industrial Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 kg
- Supply Capability:
- 3000000 kg/month
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High Alumina Castable For Fireplace and Industrial Furnace in Iron and Steel
Product Description:
High alumina castable is manufactured according to international standards. The product is famous for its excellent abrasion resistance and low thermal conductivity. Further, these can be provided in different specifications as required by the clients. The High alumina castables are used high purity raw materials and additives as the main material, and made of under superfine powder adding technology.
Product Advantages:
The material has excellent structural stability and air tightness, and has high physical and chemical properties, also has a fine working ability.They should be used with the same material products.
Product Applications:
For feature of High alumina castable, they have excellent abrasion resistance, thermal shock resistance, high-temperature resistance, anti-corrode and have high intensity.
Designed for refractory lining of blast furnace iron and slag runners, skimmers and soon
They can be used in troughs of small and mid size BFs and in all positions of the troughs where fast tapping is required.
Product Specifications:
FAQ:
1. How you can control your quality?
For each production processing, we have complete QC system for the chemical composition
and Physical properties. After production, all the goods will be tested, and the quality certificate
will be shipped along with goods.
2. What's your delivery time?
It usually needs about 20days- 45 days after receiving the deposit.
3. Do you provide free samples?
Yes, we can provide a free sample for testing, If we have sample in stock,
The quantity based on the material type, The buyer should bear all the shipping costs.
4. What's your payment terms?
We can accept 30% deposit, 70% balance before shipment for ordrs over $ 2000.
5. Can we visit your Company?
Yes, certainly. You are very welcome to China and we will be honored to have a customer and friend.
Product Picture:
- Q: How do monolithic refractories contribute to the overall efficiency of ladles and tundishes?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of ladles and tundishes in several ways. Firstly, monolithic refractories are known for their excellent thermal insulation properties. By lining the ladles and tundishes with monolithic refractories, heat losses are minimized, resulting in reduced energy consumption and improved thermal efficiency. This insulation capability also helps in maintaining a consistent temperature within the ladles and tundishes, which is essential for the proper casting and solidification of molten metal. Moreover, monolithic refractories offer superior resistance to thermal shocks and chemical corrosion. Ladles and tundishes are subjected to extreme temperatures and harsh chemical environments due to the contact with molten metal and various fluxes or additives. The use of monolithic refractories ensures a longer service life for ladles and tundishes by preventing cracking, spalling, or erosion caused by these harsh conditions. This, in turn, reduces downtime for maintenance and replacement, leading to increased overall efficiency. Additionally, the flexibility and ease of installation of monolithic refractories contribute to the efficiency of ladles and tundishes. Unlike traditional brick lining, monolithic refractories can be easily formed and installed in various shapes and sizes, allowing for better customization and optimization of ladles and tundishes. This adaptability helps in improving the flow dynamics of molten metal, reducing turbulence, and enhancing the overall casting process efficiency. In summary, monolithic refractories enhance the overall efficiency of ladles and tundishes through their exceptional thermal insulation properties, resistance to thermal shocks and chemical corrosion, and flexibility in installation. By minimizing heat losses, extending service life, and optimizing the casting process, monolithic refractories contribute significantly to the overall efficiency and productivity of ladles and tundishes in the metal industry.
- Q: How do monolithic refractories prevent heat loss through convection?
- Monolithic refractories effectively prevent heat loss through convection due to their unique composition and structure. Unlike traditional refractory bricks, which often have gaps and are porous, monolithic refractories are made of a single, seamless structure. This eliminates any possible pathways for hot gases or air to circulate and carry away heat by convection. Furthermore, monolithic refractories have a high thermal conductivity and are often dense, making them excellent conductors of heat. This allows them to rapidly absorb and distribute heat, minimizing the temperature difference between the hot surface and the surrounding environment. By reducing the temperature gradient, monolithic refractories decrease the driving force for convection, resulting in reduced heat loss through this mechanism. Moreover, monolithic refractories can be applied as a continuous lining, conforming to the shape of the equipment or furnace being protected. This seamless application eliminates joints or gaps where hot gases or air could escape and carry away heat. The uniform and uninterrupted lining further decreases the potential for convection heat loss. In summary, monolithic refractories are specifically designed to create a barrier that hinders the movement of hot gases or air, effectively minimizing heat loss through convection. Their dense composition, high thermal conductivity, and seamless application all contribute to their effectiveness in preventing heat loss through this mechanism.
- Q: What are the key properties of gunning mixes used for monolithic refractory repairs?
- The key properties of gunning mixes used for monolithic refractory repairs are high strength, good adhesion, excellent workability, and high resistance to thermal shock and abrasion. These properties ensure that the gunning mix can withstand the intense heat and harsh conditions of refractory applications, providing a durable and long-lasting repair solution.
- Q: What are some common applications of monolithic refractories in the iron and steel industry?
- Due to their superior performance and versatility, monolithic refractories find wide application in the iron and steel industry. In this industry, these refractories serve various purposes, such as: 1. Blast Furnace: To withstand high temperatures and chemical reactions, blast furnaces employ monolithic refractories in their linings. These refractories maintain the structural integrity of the furnace and provide insulation against heat loss. 2. Ladle Lining: Monolithic refractories line ladles, which transfer molten iron or steel from the blast furnace to the steelmaking process. They exhibit excellent resistance to thermal shock and erosion caused by the aggressive molten metal. 3. Tundish Lining: Tundish, an intermediate vessel that distributes molten steel to multiple casting molds, utilizes monolithic refractories in its lining. This ensures proper thermal insulation and prevents steel contamination during casting. 4. Electric Arc Furnace (EAF): The lining of EAFs, used in the steelmaking process, consists of monolithic refractories that withstand extreme temperatures and chemical reactions. They exhibit remarkable resistance to high heat and erosion caused by the molten metal and slag. 5. Induction Furnace: Monolithic refractories are also used in the lining of induction furnaces, which melt and refine metals. They provide insulation and protect the furnace structure from the high temperatures and chemical reactions occurring during the melting process. 6. Continuous Casting: Continuous casting machines require monolithic refractories in their linings to ensure smooth and consistent casting of molten steel. These refractories display excellent resistance to high temperatures, thermal shock, and erosion caused by the molten metal and slag. In summary, monolithic refractories play a crucial role in the iron and steel industry by enhancing the overall efficiency and productivity of the manufacturing process. They achieve this by providing durability, thermal insulation, and resistance to chemical reactions.
- Q: How do monolithic refractories contribute to the quality of iron and steel products?
- Enhancing the quality of iron and steel products is a crucial role played by monolithic refractories. These refractories consist of a single, solid structure that grants them high resistance against thermal and mechanical stresses. Their unique properties make them suitable for a range of high-temperature applications in the iron and steel industry. To start with, monolithic refractories excel in thermal insulation, maintaining a consistent temperature within furnaces and kilns. This temperature stability is vital for the proper heat treatment of iron and steel, ensuring ideal metallurgical properties and reducing the risk of defects. By preventing heat loss, monolithic refractories promote efficient energy utilization, resulting in cost savings and environmental benefits. In addition, monolithic refractories demonstrate remarkable endurance in the face of harsh operating conditions. The iron and steel manufacturing process involves extreme temperatures, aggressive chemical environments, and mechanical stresses. Monolithic refractories exhibit exceptional resistance to these conditions, ensuring durability and longevity. Their ability to resist thermal shock prevents cracking or spalling, which can lead to contamination and compromised product quality. Furthermore, monolithic refractories provide excellent corrosion resistance, shielding iron and steel products from chemical reactions with molten metal, slag, and other aggressive substances. This resistance not only preserves the integrity of the refractory lining but also prevents contamination of the metal, resulting in improved product quality. Monolithic refractories also offer flexibility in design and installation. They can be shaped, cast, or gunned into various complex geometries, allowing for customization based on the specific requirements of the iron and steel production process. This versatility ensures optimal lining performance, maximizing efficiency and product quality. In conclusion, monolithic refractories significantly contribute to the quality of iron and steel products. Their thermal insulation properties, resistance to harsh operating conditions, corrosion resistance, and design flexibility all play a vital role. By providing a reliable and durable lining in high-temperature applications, monolithic refractories help guarantee consistent and high-quality output in the iron and steel industry.
- Q: Can monolithic refractories be used for lining iron and steel ladles during casting and pouring?
- Yes, monolithic refractories can be used for lining iron and steel ladles during casting and pouring. Monolithic refractories are versatile and can withstand high temperatures, making them suitable for such applications. They provide excellent thermal insulation and chemical resistance, ensuring the integrity of the ladle lining and preventing contamination of the molten metal during the casting process.
- 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 key factors affecting the installation and curing of monolithic refractories?
- The installation and curing of monolithic refractories can be affected by several important factors: 1. Material selection: Choosing the right monolithic refractory material is crucial as it determines how it will be installed and cured. Different materials have different requirements, so it is important to select the appropriate material for the specific application. 2. Surface preparation: Properly preparing the surface is essential for the successful installation and curing of monolithic refractories. The surface must be clean, free from contaminants, and properly roughened to ensure good adhesion of the refractory material. 3. Mixing and proportioning: How the refractory material is mixed and proportioned plays a significant role in its installation and curing. Following the manufacturer's instructions for mixing ratios and ensuring thorough mixing is important to achieve a uniform mixture. 4. Application technique: The technique used to apply the monolithic refractory material can greatly impact its installation and curing. Employing proper application techniques, such as gunning, casting, or ramming, is necessary to ensure uniformity and proper bonding with the substrate. 5. Temperature control: Controlling the temperature during installation and curing is critical for achieving the desired properties in the monolithic refractory. The curing process should be carried out at the recommended temperature, and sudden temperature changes should be avoided to prevent thermal stresses. 6. Moisture content: The moisture content of the refractory material and the surrounding environment can affect its installation and curing. Excessive moisture can cause shrinkage, cracking, or poor bonding, while insufficient moisture can hinder proper curing. Maintaining the optimum moisture content for the specific refractory material is important. 7. Curing time: The required curing time for monolithic refractories varies depending on the material and application. It is crucial to follow the recommended curing time to allow for proper strength development and dimensional stability. 8. Environmental conditions: Environmental factors, such as humidity, temperature, and air circulation, can influence the installation and curing of monolithic refractories. It is important to maintain suitable environmental conditions to facilitate proper drying and curing. In conclusion, understanding and addressing these key factors are essential to ensure the successful installation and curing of monolithic refractories, leading to improved performance and longevity of the refractory lining.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish lining systems?
- Monolithic refractories improve the efficiency of ladle and tundish lining systems by providing superior thermal insulation, excellent resistance to thermal shock, and higher mechanical strength compared to traditional brick or castable linings. This results in reduced heat loss, improved temperature control, and increased refractory life, ultimately leading to higher productivity and cost savings in steelmaking operations.
- Q: What are the considerations for selecting monolithic refractories for reheating furnaces?
- When selecting monolithic refractories for reheating furnaces, there are several important considerations to take into account. 1. Temperature requirements: Reheating furnaces operate at high temperatures, so it is crucial to choose monolithic refractories that can withstand the desired temperature range without experiencing significant thermal degradation or failure. The refractories must have a high refractoriness to maintain their structural integrity under these conditions. 2. Thermal shock resistance: Reheating furnaces often undergo rapid temperature changes due to the heating and cooling cycles. Monolithic refractories with good thermal shock resistance are essential to prevent cracking and spalling, which can lead to premature failure of the lining. 3. Mechanical strength: The monolithic refractories should have sufficient mechanical strength to withstand the stresses induced by the weight of the materials being heated and any mechanical movements within the furnace. This helps to prevent deformation or structural failure of the refractory lining. 4. Chemical compatibility: The refractories must be chemically compatible with the atmosphere and process gases present in the reheating furnace. They should resist chemical attacks from the gases or any corrosive substances generated during the reheating process. This ensures a longer service life for the refractory lining. 5. Abrasion resistance: Reheating furnaces often handle abrasive materials, such as hot billets or slabs. Selecting monolithic refractories with good abrasion resistance will help to minimize wear and extend the lifespan of the lining. 6. Ease of installation: Monolithic refractories offer advantages in terms of ease of installation compared to traditional brick refractories. However, it is important to consider the installation method and time required for the chosen monolithic refractory. Some monolithic refractories may require specialized equipment or techniques for installation. 7. Cost-effectiveness: While the initial cost of monolithic refractories may be higher than traditional brick refractories, their longer service life and ease of installation can result in overall cost savings. Assessing the cost-effectiveness of different monolithic refractory options is crucial for selecting the most suitable one for the reheating furnace. By considering these factors, one can make an informed decision when selecting monolithic refractories for reheating furnaces, ensuring optimal performance, durability, and cost-effectiveness.
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Monolithic Refractories for Iron and Steel Industry - High Alumina Castable for Fireside and Industrial Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 kg
- Supply Capability:
- 3000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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