Monolithic Refractories for Iron and Steel Industry:Corundum Castable for EAF Roof
- Ref Price:
-
$520.11 - 635.69
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- -
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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General Information of Corundum Castable for EAF Roof
Made as per international standards, FIREF corundum castable for EAF roof is known for its excellent corrosion and scouring resistance of iron steel, long operating life and easy execution and mending. Further, FIREF corundum castable for EAF roof can be provided in different specifications as required by the clients.
Technical data of Corundum Castable for EAF Roof
Production line and packing of Corundum Castable for EAF Roof
Feature of Corundum Castable for EAF Roof
Excellent corrosion and scouring resistance of iron steel
Long operating life
Easy execution and mending
Application of Corundum Castable for EAF Roof
FIREF corundum castable for EAF roof can be used widely for in situ casting or pre-casting for tri-angle area of UHP EAF roof.
Production Flow of Corundum Castable for EAF Roof
- Q:What are the main factors affecting the corrosion resistance of monolithic refractories?
- The main factors affecting the corrosion resistance of monolithic refractories include the chemical composition of the refractory material, the temperature and atmosphere in which it operates, the physical properties of the refractory such as porosity and permeability, and the presence of impurities or aggressive agents. Additionally, the design and installation of the refractory lining, as well as the operational practices and maintenance of the system, can also impact its corrosion resistance.
- Q:How do monolithic refractories withstand thermal cycling in the iron and steel industry?
- Monolithic refractories, with their unique composition and properties, are designed to endure thermal cycling in the iron and steel industry. Unlike traditional refractory bricks that are stacked together, these refractories are made from a single, continuous material. One of the reasons monolithic refractories are capable of withstanding thermal cycling is their ability to expand and contract without any cracking or damage. This is because of their high thermal shock resistance, which measures their capacity to endure rapid temperature changes. Monolithic refractories are specifically formulated to possess low thermal conductivity, enabling them to resist heat transfer and minimize thermal gradients within the material. Additionally, monolithic refractories exhibit exceptional thermal stability, meaning they can maintain their structural integrity and mechanical strength even at high temperatures. This is critical in the iron and steel industry, where temperatures can reach extreme levels. These refractories are able to endure repeated heating and cooling cycles without experiencing significant structural alterations or degradation. Moreover, monolithic refractories possess good corrosion resistance, which is crucial in an environment where they come into contact with molten metal and various chemical agents. Their composition and special additives aid in safeguarding the refractory material from chemical attack, preventing erosion and extending their lifespan. The manufacturing process of monolithic refractories allows for effortless installation and repair, as they can be applied as a liquid or a semi-liquid mixture. This reduces the risk of joints or weak points that could lead to thermal stress or failure during thermal cycling. Overall, the combination of high thermal shock resistance, low thermal conductivity, excellent thermal stability, corrosion resistance, and easy installation makes monolithic refractories highly durable and capable of enduring the severe thermal cycling conditions present in the iron and steel industry.
- Q:How does the composition of monolithic refractories impact their performance?
- Determining the performance of monolithic refractories is heavily influenced by their composition. These refractories are unshaped materials used to line furnaces, kilns, and other high-temperature equipment. Their installation convenience and ability to conform to complex shapes make them preferable over traditional brick and mortar refractories. Various components, such as aggregates, binders, and additives, constitute the composition of monolithic refractories. These constituents significantly impact the physical, mechanical, and thermal properties of the refractory material. Aggregates, which are the primary component, provide structural integrity to monolithic refractories. Alumina, silica, magnesia, and carbon are among the materials used for aggregates. Each aggregate possesses unique properties that determine the refractory's resistance to heat, chemical attack, and mechanical stress. For instance, alumina aggregates offer excellent resistance to high temperatures and chemical corrosion, while carbon-based aggregates have high thermal conductivity and are preferred for this reason. The addition of binders enhances the strength and cohesion of the refractory. Common binders include clay, calcium aluminate cement, and colloidal silica. The choice of binder depends on the desired strength, workability, and setting time of the refractory material. Additives are incorporated into the composition to improve specific properties. They can enhance the refractory's resistance to thermal shock, abrasion, or chemical attack. Additives like zirconium oxide, silicon carbide, and graphite are frequently used to enhance the performance of monolithic refractories in specific applications. The proper combination and proportion of these constituents are vital for achieving the desired performance of monolithic refractories. The composition affects the refractory's thermal conductivity, thermal expansion, density, porosity, and chemical resistance. For example, a higher alumina content improves resistance to high temperatures and chemical corrosion, while a higher silica content enhances insulation properties. In conclusion, the performance of monolithic refractories is significantly impacted by their composition. Careful consideration must be given to the selection of aggregates, binders, and additives to achieve desired properties and ensure optimal performance in specific high-temperature applications.
- Q:How do monolithic refractories perform in blast furnace taphole applications?
- Monolithic refractories perform exceptionally well in blast furnace taphole applications due to their unique characteristics and properties. Firstly, monolithic refractories are known for their superior thermal resistance. Blast furnace tapholes are exposed to extremely high temperatures and thermal shocks, making it essential to have a refractory material that can withstand these conditions. Monolithic refractories have high refractoriness, meaning they can maintain their structural integrity even at elevated temperatures, ensuring the taphole remains functional. Secondly, monolithic refractories have excellent erosion and corrosion resistance. In blast furnace taphole applications, the refractory material is constantly exposed to molten metal, slag, and gases that can cause erosion and chemical reactions. Monolithic refractories are designed to resist these aggressive environments, minimizing wear and extending the service life of the taphole. Furthermore, monolithic refractories offer good thermal conductivity and insulation properties. This is crucial for blast furnace tapholes as they need to maintain a consistent and controlled flow of molten metal. The refractory material must be able to transfer heat efficiently while also providing insulation to prevent excessive heat loss, ensuring optimal performance and productivity of the blast furnace. Additionally, monolithic refractories are easy to install and repair. Blast furnace tapholes require regular maintenance due to the harsh conditions they are subjected to. Monolithic refractories can be easily shaped and applied, allowing for quick repairs or replacement of damaged areas. This reduces downtime and increases the operational efficiency of the blast furnace. In summary, monolithic refractories are highly suitable for blast furnace taphole applications due to their excellent thermal resistance, erosion and corrosion resistance, good thermal conductivity and insulation properties, as well as ease of installation and repair. These characteristics make them a reliable and effective choice for maintaining the functionality and performance of blast furnace tapholes.
- Q:How do monolithic refractories resist chemical attack from molten metals and slags?
- Monolithic refractories resist chemical attack from molten metals and slags due to their chemical composition and structure. They are typically designed with high levels of resistance to corrosion and erosion, making them suitable for harsh environments. Additionally, they have low porosity, which reduces the penetration of molten metals and slags into the refractory material. The presence of certain additives and bonding agents further enhances their chemical resistance, preventing reactions between the refractory and the molten substances. Overall, monolithic refractories offer a strong barrier against chemical attack, ensuring their durability and longevity in such demanding conditions.
- Q:How do monolithic refractories handle thermal expansion and contraction?
- Monolithic refractories are designed to handle the challenges of thermal expansion and contraction. These materials are composed of a single solid structure, as opposed to the traditional brick or tile forms of refractories. This unique composition allows monolithic refractories to better accommodate the thermal stresses associated with temperature changes. One way that monolithic refractories handle thermal expansion and contraction is through their ability to withstand high temperatures. These materials are typically engineered to have a high melting point, allowing them to maintain their structural integrity even under extreme heat conditions. This property helps to prevent the refractory from cracking or disintegrating due to thermal expansion. In addition, monolithic refractories often contain a binder or bonding agent that helps to hold the refractory particles together. This binder can be formulated to have a certain degree of flexibility, allowing the material to expand and contract without cracking or breaking. This flexibility helps to absorb the stresses caused by thermal expansion and contraction, ensuring the longevity and performance of the refractory. Furthermore, monolithic refractories can be applied in a way that allows for expansion and contraction. These materials can be installed with joints or gaps between sections, which can accommodate the movement caused by temperature changes. This technique, known as joint design or expansion joint systems, allows the refractory to expand and contract without causing damage to the overall structure. Overall, monolithic refractories are designed to handle thermal expansion and contraction by withstanding high temperatures, incorporating flexible binders, and using joint design techniques. These properties enable them to maintain their structural integrity and performance in extreme heat conditions, making them a reliable choice for applications that require resistance to thermal stress.
- Q:How do monolithic refractories contribute to the control of spalling in iron and steel processes?
- Monolithic refractories play a crucial role in controlling spalling in iron and steel processes. Spalling refers to the phenomenon of the refractory material breaking or flaking off due to thermal stress, mechanical stress, or chemical reactions. This can lead to severe damage to the lining of the furnace or kiln, reducing its efficiency and productivity. To address this issue, monolithic refractories are specifically designed to be more resistant to spalling compared to traditional brick or tile refractories. They are composed of a single, homogenous material that is able to withstand high temperatures and thermal shock, making them less prone to cracking or breaking under extreme conditions. The ability of monolithic refractories to control spalling in iron and steel processes is primarily attributed to their high thermal conductivity and low thermal expansion properties. These characteristics allow them to effectively distribute and absorb the intense heat generated during melting or heat treatment processes, minimizing the thermal stress on the refractory lining. Additionally, monolithic refractories offer better resistance to chemical reactions and erosion caused by molten metal, slag, or gases that are present in iron and steel processes. They are formulated with additives and binders that enhance their chemical stability and protect against corrosion, reducing the risk of spalling due to chemical attack. Furthermore, the monolithic nature of these refractories eliminates the need for joints or seams, which are common weak points in traditional brick or tile refractories. This seamless design ensures a more uniform and durable lining, reducing the chances of spalling occurring at these vulnerable areas. Overall, monolithic refractories contribute significantly to the control of spalling in iron and steel processes by providing superior thermal conductivity, low thermal expansion, chemical resistance, and a seamless lining. This helps to maintain the integrity of the refractory lining, prolonging its lifespan and ensuring efficient and safe operation of the furnace or kiln.
- Q:What are the quality control measures for monolithic refractories in the iron and steel industry?
- To ensure the efficiency and safety of the production process in the iron and steel industry, it is crucial to implement quality control measures for monolithic refractories. These measures encompass a range of inspections and tests throughout the manufacturing and installation stages. To begin with, rigorous testing is conducted on the raw materials used for monolithic refractories. This involves analyzing the chemical composition, particle size distribution, and impurity content. These tests are essential to ensure that the ingredients meet the required specifications and are suitable for the intended application. During the production process, the focus of quality control measures lies in monitoring the mixing and blending of the materials. This ensures that a homogeneous mixture is achieved, preventing any inconsistencies in the final product. Additionally, the density and viscosity of the refractory castables or plastics are checked to maintain the desired physical properties. Once the monolithic refractories are manufactured, they undergo several performance tests. These tests involve determining properties such as cold crushing strength, modulus of rupture, and thermal conductivity. These characteristics are crucial in ensuring that the refractories can withstand the extreme temperatures and mechanical stress present in the iron and steel industry. Aside from laboratory testing, quality control measures also involve on-site inspections during installation. This includes verifying the correct application techniques, such as proper vibration, curing, and drying procedures. It is of utmost importance to ensure that the monolithic refractories are applied correctly to achieve optimal performance and longevity. Furthermore, regular sampling and monitoring of the refractories' performance are carried out during operation. This allows for the early detection of any signs of degradation or wear, enabling proactive maintenance and replacement before any significant issues arise. In conclusion, the quality control measures for monolithic refractories in the iron and steel industry encompass comprehensive testing, monitoring, and inspection procedures. These measures are implemented to guarantee the reliability, durability, and efficiency of the refractories, ultimately contributing to the smooth operation of the iron and steel production processes.
- Q:Can monolithic refractories be used in electric arc furnaces and induction furnaces?
- Yes, monolithic refractories can be used in both electric arc furnaces and induction furnaces. Monolithic refractories are versatile and can withstand the high temperatures and thermal shocks generated in these types of furnaces. They are often preferred due to their ease of installation, improved energy efficiency, and suitability for various furnace lining applications.
- Q:How do monolithic refractories help in reducing energy consumption in iron and steel production?
- Monolithic refractories help in reducing energy consumption in iron and steel production by providing efficient insulation and heat retention properties. These refractories have low thermal conductivity, which minimizes heat loss and ensures that the generated heat is effectively utilized for the production processes. Their high refractoriness allows them to withstand extreme temperatures, reducing the need for frequent repairs or replacements that would require additional energy consumption. Additionally, monolithic refractories offer better resistance to thermal shock, which prevents thermal stress-induced cracks and extends their lifespan. Overall, the use of monolithic refractories in iron and steel production aids in optimizing energy usage and improving overall energy efficiency.
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 |
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|---|---|
| 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 |
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|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| 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:Corundum Castable for EAF Roof
- Ref Price:
-
$520.11 - 635.69
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- -
- 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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