Monolithic Refractories for Iron and Steel Industry - Painting Material for Tundish
- Ref Price:
-
$553.11 - 676.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 Mt m.t.
- 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 Painting Material for Tundish
Made as per international standards, ALRE painting material for tundish is known for its excellent corrosion resistance, long operating life and high refractoriness. Further, these can be provided in different specifications as required by the clients.
Technical data of Painting Material for Tundish
Item | Painting material for tundish | ||||
Al2O3 | % | ≥ | — | ||
MgO | % | ≥ | 60-85 | ||
CaO | % | ≤ | — | ||
SiO2 | % | ≤ | — | ||
SiO2+ Fe2O3+ Al2O3 | % | ≤ | |||
Bulk density ≥ | g/cm3 | 2.0 | |||
C.C.S. (MPa) ≥ | 110℃×24hrs | 5.0 | |||
1500℃×3hrs | 8.0 | ||||
M.O.R.(MPa) ≥ | 110℃×24hrs | — | |||
1500℃×3hrs | — | ||||
Refractoriness (℃) ≥ | — | ||||
Grain size (mm) ≤ | 3 | ||||
Permanent linear change | 1500℃×2hrs | — | |||
1500℃×3hrs | -2.5~-1.0 | ||||
Life time (hr) | 10-40 | ||||
Production line and Packing of Painting Material for Tundish
Feature of Painting Material for Tundish
Easy execution and mending
Excellent abrasive resistance performance
Excellent corrosion and scouring resistance of iron steel
Application of Painting Material for Tundish
ALRE painting material for tundish could be used widely for ladel and tundish of stell and iron industry.
- Q: How do monolithic refractories help in enhancing the durability of iron and steel furnaces?
- The durability of iron and steel furnaces is greatly improved by the use of monolithic refractories, which possess unique properties and characteristics. These materials are specifically designed to endure harsh conditions and extremely high temperatures, making them the ideal choice for lining furnaces. To begin with, monolithic refractories exhibit exceptional thermal resistance, enabling them to withstand extreme heat without compromising their structural integrity. With iron and steel furnaces operating at temperatures exceeding 2,000 degrees Celsius, traditional bricks or other materials would quickly succumb to such intense heat, necessitating frequent repairs and maintenance. Conversely, monolithic refractories are capable of enduring these extreme temperatures without deterioration, thereby enhancing the durability of the furnaces. Furthermore, monolithic refractories boast a high resistance to chemical attack. In the production of iron and steel, the materials being processed often contain impurities and aggressive chemicals that can react with the furnace lining, leading to corrosion and erosion over time. However, monolithic refractories possess a remarkable ability to resist chemical attack, ensuring that the lining remains intact and durable even in the presence of corrosive elements. In addition, monolithic refractories exhibit superior mechanical strength and abrasion resistance. The movement of raw materials, stirring of molten metal, and tapping of the furnace exert mechanical stress and cause abrasion on the lining. Consequently, the lining must withstand this constant wear and tear without cracking or breaking. Monolithic refractories possess exceptional mechanical strength and can resist abrasion, thereby guaranteeing the durability and functionality of the furnace for an extended period. Moreover, monolithic refractories offer outstanding thermal shock resistance. The lining of iron and steel furnaces experiences rapid temperature changes during various stages of production. These temperature fluctuations induce thermal stress and may result in cracks or spalling of the lining. However, monolithic refractories possess low thermal conductivity and can endure thermal shock, effectively preventing any damage to the furnace lining and enhancing its durability. In conclusion, monolithic refractories contribute significantly to the durability of iron and steel furnaces by providing excellent thermal resistance, high resistance to chemical attack, superior mechanical strength and abrasion resistance, as well as exceptional thermal shock resistance. These properties ensure the integrity of the furnace lining, enabling it to withstand extreme temperatures and resist the corrosive and abrasive nature of the materials being processed. Ultimately, this prolongs the lifespan of the furnace and reduces the necessity for frequent repairs or replacements.
- 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 offer superior thermal insulation, reducing heat losses and enhancing heat retention within the ladles and tundishes. This helps in maintaining the desired temperature of the molten metal for extended periods, minimizing energy consumption and ensuring consistent casting quality. Secondly, monolithic refractories provide excellent resistance to chemical corrosion and erosion from molten metals and slag, thereby extending the service life of ladles and tundishes. This reduces the frequency of refractory repairs or replacements, leading to cost savings and increased operational efficiency. Additionally, monolithic refractories can be easily installed or repaired, saving time and labor compared to traditional brick or precast refractory lining methods. This contributes to minimizing downtime during maintenance or relining activities, allowing for continuous production and maximizing overall productivity. Overall, monolithic refractories enhance the efficiency of ladles and tundishes by improving thermal insulation, increasing resistance to chemical corrosion, reducing maintenance downtime, and extending the service life of these essential equipment in the metal casting process.
- Q: What are the main causes of monolithic refractory failure in the iron and steel industry?
- The main causes of monolithic refractory failure in the iron and steel industry include thermal cycling, chemical attack, mechanical wear, and improper installation or curing.
- 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: How do monolithic refractories resist corrosion from molten metals?
- Due to their unique composition and structural properties, monolithic refractories have the ability to resist corrosion caused by molten metals. Typically made from a single material like alumina, magnesia, or silica, these refractories are specifically designed to withstand harsh chemical environments and high temperatures. A significant contributing factor to their corrosion resistance is their dense and compact structure. Through a specialized manufacturing process, monolithic refractories are created with a tightly bonded material that has minimal porosity. This low porosity prevents molten metals from penetrating the refractory and causing damage. Moreover, monolithic refractories often incorporate additives or binders to enhance their resistance to corrosion. These additives, such as silicon carbide, zirconia, or other chemically stable materials, can endure the corrosive effects of molten metals. Additionally, monolithic refractories possess excellent thermal shock resistance. This means that they can endure sudden temperature changes without cracking or spalling. When in contact with molten metals, the refractory's ability to handle thermal shock prevents the formation of cracks or fractures, which would allow further penetration of the corrosive molten metal. In conclusion, the combination of a dense structure, chemical additives, and high thermal shock resistance enables monolithic refractories to effectively resist corrosion caused by molten metals. These refractories find extensive use in various industrial applications, including steelmaking, foundries, and non-ferrous metal processing, where they offer reliable and durable protection against corrosion.
- Q: What are the key differences between acidic and basic monolithic refractories?
- The key differences between acidic and basic monolithic refractories lie in their chemical compositions and their behavior in different environments. Acidic monolithic refractories are primarily composed of acidic oxides such as silica (SiO2) or alumina (Al2O3). These materials have a high resistance to acidic environments and are commonly used in industries where they come into contact with acidic gases or liquids. Acidic refractories are characterized by their ability to withstand high temperatures and resist chemical erosion. They are generally not suitable for use in basic or alkaline conditions, as they can react with basic compounds and lose their effectiveness. On the other hand, basic monolithic refractories are composed of basic oxides such as magnesia (MgO) or dolomite (MgO-CaO). These materials have a high resistance to basic or alkaline environments and are commonly used in industries where they come into contact with basic compounds such as lime or cement. Basic refractories are characterized by their ability to withstand high temperatures and resist chemical erosion from basic compounds. They are generally not suitable for use in acidic conditions, as they can react with acidic compounds and lose their effectiveness. In terms of their physical properties, acidic monolithic refractories tend to have higher melting points and better thermal shock resistance compared to basic monolithic refractories. This is due to the higher melting points of acidic oxides and their ability to form stable silicate or aluminate structures at high temperatures. On the other hand, basic monolithic refractories generally have higher density and better resistance to penetration by molten materials. In conclusion, the key differences between acidic and basic monolithic refractories lie in their chemical compositions and their behavior in different environments. Acidic refractories are suitable for acidic conditions, have higher melting points, and better thermal shock resistance, while basic refractories are suitable for basic conditions, have higher density, and better resistance to penetration by molten materials.
- Q: What are the cost implications of using monolithic refractories in the iron and steel industry?
- The cost implications of using monolithic refractories in the iron and steel industry can be both positive and negative. On the positive side, monolithic refractories are often more cost-effective in terms of installation and maintenance compared to traditional brick refractories. They can be easily applied and repaired, reducing downtime and labor costs. Additionally, monolithic refractories have better thermal efficiency, leading to energy savings and lower operating costs. However, there are also potential drawbacks to consider. Monolithic refractories may have a higher initial material cost compared to bricks. They can be more susceptible to chemical attacks and erosion, requiring more frequent replacements. The selection and installation of monolithic refractories also require specialized expertise, which can increase costs if not managed properly. Overall, the cost implications of using monolithic refractories in the iron and steel industry depend on various factors such as the specific application, maintenance practices, and expertise available. Proper evaluation and decision-making are crucial to ensure the best balance between initial investment and long-term cost savings.
- Q: How do monolithic refractories contribute to the reduction of heat loss in ladles and tundishes?
- The use of monolithic refractories is crucial in reducing heat loss in ladles and tundishes. These refractories are designed to have excellent thermal insulation properties, which effectively minimize the transfer of heat from the molten metal to the surrounding environment. Conduction is a key factor that contributes to heat loss in ladles and tundishes. It occurs when heat is transferred through direct contact with the refractory lining. However, monolithic refractories are specifically engineered to have low thermal conductivity, making them efficient in reducing heat transfer through conduction. This, in turn, helps to maintain the desired temperature of the molten metal for longer periods, resulting in lower energy consumption and improved process efficiency. Additionally, monolithic refractories also aid in reducing heat loss through radiation. They have high emissivity, meaning they emit a significant amount of thermal radiation. This emitted radiation creates a heat shield around the molten metal, preventing heat loss to the surroundings. By effectively trapping the radiant heat, monolithic refractories contribute to maintaining the desired temperature in ladles and tundishes, minimizing heat loss. Apart from their thermal insulation properties, monolithic refractories also offer excellent resistance to thermal shock and mechanical stress. This ensures that they remain intact and functional even in the harsh operating conditions of ladles and tundishes. The durability of these refractories further contributes to the reduction of heat loss by preventing any cracks or gaps in the refractory lining that could facilitate heat transfer. To summarize, monolithic refractories play a significant role in reducing heat loss in ladles and tundishes by minimizing heat transfer through conduction and radiation. Their thermal insulation properties, combined with their resistance to thermal shock and mechanical stress, help to maintain the desired temperature of the molten metal, improve energy efficiency, and enhance the overall performance of these metallurgical vessels.
- Q: Can monolithic refractories be customized for specific iron and steel processing requirements?
- Yes, monolithic refractories can be customized for specific iron and steel processing requirements. Monolithic refractories are versatile and can be tailored to meet the specific needs of different processing techniques such as iron and steel production. They can be formulated with different materials, densities, and compositions to withstand high temperatures, resist corrosion, and provide optimal thermal insulation. This customization ensures that the refractories effectively protect the equipment and enhance the efficiency and productivity of iron and steel processing operations.
- Q: How do monolithic refractories withstand the thermal cycling in aluminum smelting applications?
- Monolithic refractories have been specifically developed to endure the extreme thermal cycling conditions that arise in aluminum smelting applications. The exceptional properties of these refractories enable them to withstand the rapid and repetitive heating and cooling cycles without experiencing significant damage or failure. A key characteristic of monolithic refractories is their remarkable thermal shock resistance, which allows them to withstand sudden temperature changes without cracking or spalling. Throughout the aluminum smelting process, the refractories are exposed to extreme temperatures when molten aluminum is poured into the molds or when the molten metal comes into contact with the refractory lining. It is essential for the refractories to quickly absorb and dissipate heat to prevent any thermal shock damage. Furthermore, monolithic refractories possess a high thermal conductivity, which facilitates the efficient transfer of heat away from the refractory lining. This effectively reduces the risk of thermal stress and thermal fatigue. By dispersing the heat generated during the smelting process, the refractories minimize temperature variations within the lining, thereby preventing the occurrence of cracks or fractures. Moreover, monolithic refractories exhibit excellent chemical resistance, a crucial characteristic in aluminum smelting applications. These refractories are formulated to resist the corrosive effects of molten aluminum and other chemicals present in the smelting process. By offering resistance to chemical corrosion, the refractories help maintain the integrity of the refractory lining and extend its service life. Additionally, monolithic refractories are often reinforced with fibers or other structural materials to enhance their mechanical strength and durability. These reinforcements provide added resistance against mechanical stresses, such as thermal expansion and contraction, which arise during the thermal cycling process. In conclusion, the purpose of monolithic refractories is to withstand the thermal cycling conditions encountered in aluminum smelting applications. Their exceptional thermal shock resistance, high thermal conductivity, excellent chemical resistance, and enhanced mechanical strength enable them to endure extreme temperature fluctuations without experiencing significant damage. These refractories play a crucial role in maintaining the integrity and efficiency of the smelting process in the aluminum industry.
We are an industrial enterprise of refractories integrating the scientific research, design, production and engineering service. With first-class quality of products, high-efficient and prompt after-sale service, our products are not only well sold in many domestic large steel enterprises and coking enterprises, but also widely exported to more than 23 countries and regions.
1. Manufacturer Overview
| Location | Henan, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 200 Million |
| Main Markets | North America;Asia;Western Europe;Africa;Russia;Middle East |
| 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 | 20% - 30% |
| No.of Employees in Trade Department | 10-20 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | Above 150,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | Installation guide, OEM Service Offered |
| Product Price Range | High; Average |
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Monolithic Refractories for Iron and Steel Industry - Painting Material for Tundish
- Ref Price:
-
$553.11 - 676.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 Mt 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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