Monolithic Refractories for Iron and Steel Industry - Mullite 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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Mullite Castable For Fireplace and Industrial Furnace in Iron and Steel
Product Description:
Mullite 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 Mullite 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 Mullite 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:What are the key properties of gunning mixes used for monolithic refractory repairs?
- Gunning mixes used for monolithic refractory repairs must possess several key properties. These include: 1. Exceptional durability: Gunning mixes should display outstanding resistance to thermal shock, abrasion, and chemical attack. This quality is crucial in ensuring that the repaired refractory material remains intact in the face of the harsh conditions prevalent in industrial furnaces and kilns. 2. High strength: Gunning mixes need to possess a significant compressive strength to provide structural integrity to the repaired refractory lining. This is particularly important in areas subjected to high mechanical stress or load. 3. User-friendly application: Gunning mixes should have favorable gunning properties, simplifying and streamlining the application process. They should be easily sprayed or gunned onto the surface requiring repair, resulting in a smooth and even coating. 4. Rapid setting and drying: Gunning mixes should boast a swift setting and drying time to minimize downtime during repairs. This ensures that the repaired refractory lining can be promptly reintroduced into service, reducing any potential production losses. 5. Excellent adhesion: Gunning mixes should demonstrate exceptional adhesion to the existing refractory material. This guarantees a strong bond between the new repair material and the old lining, preventing any potential delamination or separation. 6. Thermal stability: Gunning mixes should possess a high resistance to thermal cycling and temperature fluctuations. They should retain their structural integrity and mechanical properties even under extreme heat conditions. 7. Chemical compatibility: Gunning mixes should be chemically compatible with the materials they come into contact with, such as molten metals or corrosive gases. This ensures that the repaired refractory lining can withstand the corrosive effects of these substances. In summary, the essential properties of gunning mixes for monolithic refractory repairs revolve around providing durability, strength, easy application, rapid setting, good adhesion, thermal stability, and chemical compatibility. These properties guarantee that the repaired refractory lining can effectively endure the challenging operating conditions in industrial furnaces and kilns, thereby extending their lifespan and reducing maintenance costs.
- Q:What are the key considerations when selecting monolithic refractories for tundish applications?
- When choosing monolithic refractories for tundish applications, there are several important factors to take into account. Firstly, it is crucial to consider the refractory material's ability to withstand thermal shocks. Tundishes experience drastic changes in temperature as molten metal is poured in and drained out. If the refractory material is not resistant to thermal shocks, it will deteriorate quickly and fail, resulting in expensive repairs and downtime. Another important factor is the material's resistance to chemical attacks. Tundishes often come into contact with aggressive chemical environments due to the presence of molten metal and various slag compositions. The refractory material must be capable of enduring these corrosive elements and maintaining its integrity over time. Furthermore, the mechanical strength of the refractory material is essential. Tundishes are subjected to physical stresses, including the weight of the molten metal and the movement of the tundish itself. A weak refractory material is prone to cracking and failure, which can compromise the overall performance and lifespan of the tundish. The ease of installation and repair should also be taken into consideration. Monolithic refractories are typically cast or gunned in place, so it is important to select a material that can be easily applied and shaped to fit the tundish design. Additionally, if repairs are required, the refractory material should allow for patching or replacement without causing significant disruptions to operations. Lastly, cost is always a factor to consider. While it is important to choose a high-quality refractory material that meets the specific requirements of the tundish, the overall cost-effectiveness must be evaluated. This includes considering the initial material cost, installation and repair expenses, and the expected lifespan of the refractory. To summarize, the key considerations when selecting monolithic refractories for tundish applications are thermal shock resistance, chemical resistance, mechanical strength, ease of installation and repair, and cost-effectiveness. By carefully assessing these factors, one can choose a refractory material that will deliver optimal performance and durability in tundish applications.
- Q:What are the key properties of monolithic refractories?
- Monolithic refractories, which lack a definite form like bricks or tiles, are a type of refractory material. They are typically composed of a mixture of aggregates, binders, and additives that can be easily molded and installed in various industrial applications. The main characteristics of monolithic refractories include: 1. Exceptional heat resistance: Designed to endure extremely high temperatures, monolithic refractories are suitable for industries such as steel, cement, glass, and petrochemicals. They can maintain their strength and structural integrity even at temperatures exceeding 3000 degrees Fahrenheit. 2. Ability to withstand thermal shock: Monolithic refractories possess the capacity to resist sudden temperature changes, which can cause cracking or damage to the refractory. This property is crucial in environments where rapid heating or cooling occurs, such as furnaces or kilns. 3. Resistance to chemical attack: Monolithic refractories display excellent resistance to corrosion from molten metals, slag, gases, and other harsh substances. This makes them ideal for environments where contact with acidic or alkaline materials is common. 4. Low porosity: Monolithic refractories have low porosity, meaning they have a high density and are less permeable to gases and liquids. This property ensures that molten metals or corrosive substances cannot easily penetrate the refractory, contributing to its longevity and performance. 5. Easy installation and repair: Unlike traditional refractory materials like bricks, monolithic refractories can be easily molded and installed in various shapes and sizes. They can be applied using techniques such as spraying, casting, or ramming, allowing for faster installation and reduced downtime. Additionally, if any damage occurs, they can be easily repaired or patched. 6. Strong mechanical strength: Monolithic refractories possess sufficient mechanical strength to endure the stresses and pressures encountered during their service life. This guarantees their structural integrity, even under high load conditions. Overall, the versatile and reliable properties of monolithic refractories make them an excellent choice for a wide range of industrial applications that require resistance to high temperatures, chemicals, and thermal shock.
- Q:What are the specific requirements of monolithic refractories for soaking pit applications?
- Monolithic refractories for soaking pit applications must meet several specific requirements. Firstly, they need to withstand high temperatures and thermal cycling. This means they must be able to endure temperatures exceeding 1500 degrees Celsius without significant degradation. The longevity and durability of the refractories depend on this capability. Secondly, the refractories must have good thermal shock resistance. Since soaking pits often experience rapid changes in temperature, the refractories must be able to handle these fluctuations without cracking or spalling. This is vital to maintain the refractories' integrity. Chemical attacks are another concern in soaking pit applications. Molten metal, slag, and other corrosive substances are present, so the refractories must have excellent chemical resistance. This prevents erosion and chemical reactions. Withstanding the corrosive effects of molten metal and slag, as well as potential chemical reactions, is crucial. Furthermore, mechanical stresses, such as abrasion and impact, occur in soaking pits due to the movement and handling of metal ingots. The monolithic refractories should possess good mechanical strength and abrasion resistance to withstand these stresses. They should be able to resist wear and tear caused by heavy loads and avoid any mechanical failure. Lastly, the refractories used in soaking pits should be easy to work with and install. This ensures efficient and effective lining of the pit, minimizing any gaps or cracks that could lead to heat loss or chemical penetration. In summary, monolithic refractories for soaking pit applications must meet specific requirements regarding high temperature resistance, thermal shock resistance, chemical resistance, mechanical strength, and ease of installation. Fulfilling these requirements guarantees that the refractories can withstand the harsh conditions of soaking pits and maintain their performance and integrity over an extended period.
- 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:What are the advantages of using monolithic refractories in electric arc furnaces?
- There are several advantages to using monolithic refractories in electric arc furnaces. Firstly, monolithic refractories offer excellent thermal shock resistance. Electric arc furnaces operate at extremely high temperatures, and the refractory lining is constantly exposed to rapid temperature changes. Monolithic refractories are able to withstand this thermal cycling without cracking or deteriorating, ensuring the longevity and efficiency of the furnace. Secondly, monolithic refractories have superior corrosion resistance. Electric arc furnaces often use aggressive slag compositions, which can corrode and erode traditional brick linings. Monolithic refractories, on the other hand, are specifically designed to resist chemical attack, providing long-lasting protection against the corrosive effects of molten metal and slag. Additionally, monolithic refractories offer great flexibility in terms of installation. Unlike brick linings, which require extensive labor and time to construct, monolithic refractories can be easily applied as a liquid or paste, allowing for faster and more efficient installation. This not only reduces downtime during furnace maintenance or repairs but also provides the opportunity for customized linings to be easily created to suit specific furnace designs. Moreover, monolithic refractories have excellent thermal conductivity. This property allows for efficient heat transfer within the electric arc furnace, ensuring optimal energy use and minimizing heat losses. This improved thermal efficiency results in reduced operating costs and increased productivity. Furthermore, monolithic refractories have a high refractoriness, meaning they can withstand extremely high temperatures without deformation or failure. This is crucial for electric arc furnaces, which operate at temperatures exceeding 3000°C. The ability of monolithic refractories to maintain their structural integrity at such extreme temperatures ensures the safe and efficient operation of the furnace. In conclusion, the advantages of using monolithic refractories in electric arc furnaces include their thermal shock resistance, corrosion resistance, ease of installation, high thermal conductivity, and exceptional refractoriness. These properties contribute to improved furnace performance, increased productivity, reduced operating costs, and extended furnace life.
- Q:What are the advantages of using low-cement castables in the iron and steel industry?
- There are several advantages of using low-cement castables in the iron and steel industry. Firstly, low-cement castables have a lower water content, which leads to better refractoriness and higher strength, enabling them to withstand high temperatures and thermal shocks experienced in iron and steel manufacturing processes. Secondly, low-cement castables exhibit excellent flowability and workability, allowing for easier installation and shaping. This results in reduced labor and time required for installation, leading to cost savings. Moreover, low-cement castables have a reduced porosity, which enhances their resistance to slag and metal penetration during the iron and steel production processes. This property improves the lining's durability and extends its service life, reducing maintenance and downtime. Additionally, low-cement castables offer superior mechanical properties, such as higher abrasion resistance and better thermal conductivity, making them ideal for various applications in the iron and steel industry, including ladles, tundishes, and blast furnaces. Overall, the advantages of using low-cement castables in the iron and steel industry include enhanced refractoriness, increased strength, improved workability, reduced porosity, and superior mechanical properties, ultimately resulting in improved efficiency, cost-effectiveness, and longer-lasting linings.
- Q:How do monolithic refractories improve the efficiency of ladle and tundish drying systems?
- Monolithic refractories improve the efficiency of ladle and tundish drying systems by providing superior thermal insulation, reduced heat loss, and increased resistance to thermal shock. These refractories have high thermal conductivity and low heat capacity, enabling faster and more uniform heating of the ladle and tundish. Additionally, their monolithic nature eliminates joints and seams that could lead to heat leakage, ensuring better heat retention and improved energy efficiency. The enhanced thermal properties of monolithic refractories contribute to quicker drying times and reduced energy consumption in ladle and tundish drying processes, ultimately improving overall system efficiency.
- 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:How do monolithic refractories improve the efficiency of ladle and tundish preheating furnaces?
- Monolithic refractories improve the efficiency of ladle and tundish preheating furnaces by providing superior insulation and heat retention properties. These refractories are designed to withstand high temperatures and reduce heat loss, ensuring that the furnaces reach and maintain the desired preheating temperatures more efficiently. Additionally, monolithic refractories offer excellent thermal shock resistance, preventing cracks and damage that can negatively impact furnace performance. Overall, the use of monolithic refractories in ladle and tundish preheating furnaces helps to optimize energy consumption and enhance the overall efficiency of the preheating process.
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Monolithic Refractories for Iron and Steel Industry - Mullite 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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