Monolithic Refractories for Iron and Steel Industry:AL2O3-SIO2-C Castable for Blast Furnace Tapping Channel
- Ref Price:
-
$1,147.11 - 1,402.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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General Information of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
FIREF Al2O3- SiO2-C castable for blast furnace tapping channel is known for its excellent corrosion and scouring resistance of iron steel which is made strictly as per international standards. Beside, FIREF Al2O3- SiO2-C castable for blast furnace tapping channel has gained a good fame for its long operating life and easy execution and mending.
Technical data of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
Production line and packing of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
Feature of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
Long operating life
Excellent corrosion and scouring resistance of iron steel
Easy execution and mending
Application of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
FIREF Al2O3-SiO2-C castable for blast furnace tapping channel can be used widely for in situ casting or pre-casting for tri-angle area of UHP EAF roof.
Production Flow of Al2O3-SiO2-C Castable for Blast Furnace Tapping Channel
- Q: How do monolithic refractories resist abrasion in the iron and steel industry?
- Monolithic refractories are specifically designed to resist abrasion in the iron and steel industry due to their unique composition and properties. These refractories are made from a single homogeneous material, which allows them to exhibit exceptional strength and durability when subjected to continuous abrasion. One of the key factors that contribute to the abrasion resistance of monolithic refractories is their high density. These refractories are manufactured with tightly packed particles, ensuring a solid and compact structure. This density helps to minimize wear and tear caused by the constant movement of materials, such as iron and steel, within the industry. Additionally, monolithic refractories often contain high levels of alumina, which is known for its excellent abrasion resistance. Alumina is a highly refractory material that can withstand high temperatures and mechanical stress without deteriorating. Its presence in monolithic refractories provides a protective layer that resists abrasion caused by the movement and impact of iron and steel particles. Moreover, monolithic refractories can be designed with specific additives and binders that further enhance their resistance to abrasion. These additives can include silicon carbide, mullite, or zirconia, which are known for their superior mechanical strength and ability to withstand wear. The binders used in the manufacturing process also contribute to the refractory's integrity and ability to withstand abrasion by providing a cohesive structure. Overall, the combination of high density, alumina content, specialized additives, and binders makes monolithic refractories highly resistant to abrasion in the iron and steel industry. These refractories are capable of withstanding the harsh conditions and constant movement of materials, ensuring longevity and efficiency in various applications within the industry.
- 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 enhance the performance of ladles and tundishes?
- Monolithic refractories play a crucial role in enhancing the performance of ladles and tundishes in several ways. Firstly, monolithic refractories are known for their high thermal stability and resistance to thermal shock. Ladles and tundishes are subjected to extreme temperatures and thermal cycling during the process of molten metal transfer. Monolithic refractories provide excellent insulation and structural integrity, ensuring that the ladles and tundishes can withstand these harsh conditions without experiencing cracking or failure. Furthermore, monolithic refractories offer exceptional corrosion resistance. In the ladle and tundish environments, molten metal, slag, and other chemicals can cause corrosion and erosion of the lining. Monolithic refractories are designed to resist these corrosive agents, extending the service life of ladles and tundishes and minimizing the need for frequent repairs or replacements. Another advantage of monolithic refractories is their ability to form a tight and seamless lining. Unlike traditional brick or tile linings, which have joints that can deteriorate over time, monolithic refractories are typically applied as a single, continuous layer. This seamless lining significantly reduces the risk of metal and slag penetration, ensuring better containment of the molten metal and preventing contamination. Moreover, monolithic refractories offer versatility and ease of installation. They can be easily shaped and applied to various complex geometries, allowing for customized linings in ladles and tundishes. This versatility also enables faster installation and reduces downtime during maintenance and repairs. Overall, the use of monolithic refractories in ladles and tundishes contributes to improved performance, increased operational efficiency, and reduced costs. Their ability to withstand extreme temperatures, resist corrosion, provide a tight lining, and offer ease of installation makes them a preferred choice in the steel and foundry industries.
- 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.
- Q: How do monolithic refractories withstand the mechanical impacts in furnace door applications?
- Monolithic refractories are designed to withstand mechanical impacts in furnace door applications due to their unique properties and composition. These refractories are made from a single piece of material, which eliminates the need for joints or seams that are prone to cracking or failure under mechanical stress. One important characteristic of monolithic refractories is their high density, which provides them with excellent strength and resistance to mechanical impacts. Their dense structure makes them less susceptible to cracking or breaking when subjected to sudden or repeated impacts, such as when a furnace door is opened or closed. In addition to their density, monolithic refractories also possess high tensile strength and toughness. These properties allow them to absorb and distribute the energy from mechanical impacts, reducing the risk of damage or failure. This is particularly important in furnace door applications, where the refractories are constantly exposed to the stress of opening and closing the door. Furthermore, monolithic refractories often contain additives or bonding agents that enhance their mechanical properties. These additives can include fibers or aggregates that reinforce the structure and improve resistance to impacts. They can also improve the refractory's ability to withstand thermal cycling, which is common in furnace door applications. Overall, monolithic refractories are specifically engineered to withstand the mechanical impacts encountered in furnace door applications. Their dense, high-strength composition, combined with the use of additives and bonding agents, ensures their durability and longevity in these demanding environments.
- 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: What are the latest advancements in monolithic refractories for the iron and steel industry?
- Some of the latest advancements in monolithic refractories for the iron and steel industry include the development of high-performance materials with enhanced thermal shock resistance, improved corrosion resistance, and increased durability. These advancements have been achieved through the incorporation of advanced additives and binders, as well as the utilization of new manufacturing techniques such as spray drying and rapid heat curing. Additionally, there have been advancements in the design of monolithic refractory shapes and installation techniques to optimize their performance and increase their lifespan in the demanding environments of the iron and steel industry.
- Q: What are the main factors affecting the erosion resistance of monolithic refractories?
- Several key factors influence the erosion resistance of monolithic refractories. These factors encompass the chemical composition of the refractory material, the microstructure of the material, the temperature and environment in which it is utilized, and the mechanical properties of the material. The erosion resistance of monolithic refractories heavily relies on the chemical composition. The inclusion of specific chemical elements and compounds can enhance the refractory's resistance to erosion, while others may render it more susceptible. For instance, the addition of alumina (Al2O3) to the refractory composition can augment its erosion resistance by forming a protective layer on the surface. Conversely, the presence of impurities or excessive amounts of certain elements can weaken the refractory and heighten its susceptibility to erosion. The microstructure of the monolithic refractory is another critical factor affecting erosion resistance. The microstructure denotes the arrangement and distribution of particles within the refractory. A well-structured microstructure with a uniform particle distribution can provide superior erosion resistance as it ensures an even distribution of load when exposed to erosive forces. Conversely, a poorly structured microstructure with particle clusters or weak bonding may result in localized erosion and failure. Erosion resistance is significantly influenced by the temperature and environment in which the refractory is employed. High temperatures can induce thermal stresses, chemical reactions, and phase changes in the refractory material, all of which impact its erosion resistance. Additionally, the presence of corrosive gases, liquids, or slags can expedite erosion by promoting chemical reactions or attacking the refractory material, leading to its deterioration. Lastly, the mechanical properties of the monolithic refractory, including strength, hardness, and toughness, contribute to erosion resistance. A refractory with higher mechanical strength and hardness can withstand erosive forces more effectively than a weaker material. Similarly, increased toughness aids in the refractory's resistance to cracking or spalling when subjected to impact or thermal shock, reducing its vulnerability to erosion. To summarize, the erosion resistance of monolithic refractories is influenced by the chemical composition, microstructure, temperature and environment, and mechanical properties of the material. Understanding and optimizing these factors can facilitate the development of refractories with enhanced erosion resistance for diverse industrial applications.
- Q: How do monolithic refractories improve energy efficiency in the iron and steel industry?
- Monolithic refractories play a crucial role in improving energy efficiency in the iron and steel industry through various mechanisms. Firstly, these refractories have excellent insulation properties, which help in reducing heat loss during the production process. By minimizing heat loss, monolithic refractories ensure that more heat is retained within the furnace, resulting in higher energy efficiency. Moreover, monolithic refractories have low thermal conductivity, allowing for better heat transfer within the furnace. This means that the heat generated during the production process can be efficiently distributed throughout the furnace, enabling optimal temperature control and reducing energy wastage. In addition, monolithic refractories have high resistance to thermal shock and corrosion, which are common challenges in the iron and steel industry. By withstanding extreme temperatures and chemical reactions, these refractories prevent premature wear and tear, thus reducing the need for frequent repairs and replacements. This not only saves energy but also minimizes downtime, leading to increased productivity and energy efficiency. Furthermore, the use of monolithic refractories allows for better furnace design and optimization. Their flexibility enables the creation of custom shapes and linings that suit specific furnace requirements, resulting in improved heat transfer and combustion efficiency. This customized approach promotes energy savings by maximizing the utilization of fuel and reducing emissions. Lastly, monolithic refractories have a longer lifespan compared to traditional brick refractories. This prolonged durability reduces the frequency of refractory replacements, resulting in lower energy consumption associated with the manufacturing and installation of new refractories. Overall, monolithic refractories contribute significantly to energy efficiency in the iron and steel industry by reducing heat loss, improving heat transfer, withstanding thermal shock and corrosion, enabling better furnace design, and increasing refractory lifespan. Their use not only saves energy but also enhances productivity and sustainability within the industry.
- Q: What are the factors affecting the lifespan of monolithic refractories?
- There are several factors that can significantly affect the lifespan of monolithic refractories. 1. Temperature: One of the most critical factors is the operating temperature. Monolithic refractories are designed to withstand high temperatures, but prolonged exposure to extreme temperatures can cause thermal shock and lead to premature failure. 2. Thermal cycling: Frequent temperature fluctuations, known as thermal cycling, can also shorten the lifespan of monolithic refractories. The expansion and contraction of the refractory material can create stress, resulting in cracking and degradation over time. 3. Chemical environment: The chemical environment in which 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: Mechanical stress, such as abrasion, impact, and vibration, can weaken monolithic refractories and shorten their lifespan. This is especially relevant in industries with high mechanical activity, such as steelmaking or cement production. 5. Installation and maintenance: Proper installation and regular maintenance are essential for maximizing the lifespan of monolithic refractories. Poor installation techniques or neglecting maintenance can result in weak joints, inadequate anchoring, or the growth of cracks, leading to premature failure. 6. Quality of refractory material: The quality and composition of the monolithic refractory material can significantly impact its lifespan. Higher-quality materials with better resistance to temperature, chemical attacks, and mechanical stress tend to have longer lifespans. 7. Design and engineering: The design of the refractory lining and its engineering considerations, such as thickness, shape, and reinforcement, also influence the lifespan of monolithic refractories. Proper design can distribute stress more evenly, reduce thermal gradients, and improve overall performance and durability. 8. Operating conditions: 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 summary, the lifespan of monolithic refractories is influenced by various factors, including temperature, thermal cycling, chemical environment, mechanical stress, installation and maintenance practices, quality of refractory material, design and engineering considerations, and operating conditions. Proper consideration and management of these factors are essential for maximizing the lifespan of monolithic refractories.
Our products are mainly mullite brick, high alimina brick acid-resistant refractory brick, phosphate abrasive brick and andalusite brick, with annual output of 20000 tons heavy refractory, the tunnel kiln with 80m in length is mainly for manufacturing of top quality refractory, such as corundum products, alumina products and spinel products. In order to promote sustainable development, we will insist on scientific development.
1. Manufacturer Overview
| Location | Henan, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 60 Million |
| Main Markets | Mid East; Eastern Europe; North America |
| Company Certifications | ISO 9001:2008 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 31% - 50% |
| No.of Employees in Trade Department | 21-50 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | Above 36,000 square meters |
| No. of Production Lines | Above 5 |
| Contract Manufacturing | OEM Service Offered |
| Product Price Range | Average |
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Monolithic Refractories for Iron and Steel Industry:AL2O3-SIO2-C Castable for Blast Furnace Tapping Channel
- Ref Price:
-
$1,147.11 - 1,402.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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