Monolithic Refractories Magnesium Calcium Gunning for Ladle and Tundish for Iron and Steel Industry
- Ref Price:
-
$652.11 - 797.03
/ 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 Magnesium Calcium Gunning for Ladle and Tundish
Made as per international standards, ALRE magnesium calcium gunning forladle and tundish is known for its excellent corrosion resistance, long operating life and high refractoriness.
Technical data of Magnesium Calcium Gunning for Ladle and Tundish
Item | Magnesium Calcium Gunning | |||
CPL-1 | CPL-2 | |||
Al2O3(%)≥ | — | — | ||
MgO(%)≥ | 75-80 | 70-80 | ||
CaO(%)≤ | 5-10 | 2-10 | ||
SiO2(%)≤ | 4 | 10 | ||
SiO2+ Fe2O3+ Al2O3(%)≥ | ||||
Bulk Density (g/cm3)≥ | — | — | ||
C.C.S. (MPa) ≥ | 110℃×24hrs | — | — | |
1500℃×3hrs | — | — | ||
M.O.R.(MPa) ≥ | 110℃×24hrs | — | — | |
1500℃×3hrs | — | — | ||
Refractoriness (℃) ≥ | 1790 | 1790 | ||
Grain Size (mm) ≤ | — | — | ||
Permanent Linear Change(%) | 1500℃×2hrs | — | — | |
1500℃×3hrs | — | — | ||
Life time (hr) | — | — | ||
Production line and Packing of Magnesium Calcium Gunning for Ladle and Tundish
Feature of Magnesium Calcium Gunning for Ladle and Tundish
Long operating life
High refractoriness
Excellent corrosion resistance
Application of Magnesium Calcium Gunning for Ladle and Tundish
ALRE magnesium calcium gunning forladle and tundish can be used widely in steel and iron industry.
- Q:What are the considerations for selecting monolithic refractories for reheating furnaces?
- When choosing monolithic refractories for reheating furnaces, there are several important factors to consider: 1. Temperature requirements: It is crucial to select monolithic refractories that can withstand the desired temperature range without experiencing significant thermal degradation or failure. These 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, which can cause cracking and spalling. Therefore, it is essential to choose monolithic refractories with good thermal shock resistance to prevent premature failure of the lining. 3. Mechanical strength: The monolithic refractories should have sufficient mechanical strength to withstand the stresses caused 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 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, so it is important to choose monolithic refractories with good abrasion resistance. This helps 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: Although 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. Therefore, it is crucial to assess the cost-effectiveness of different monolithic refractory options when selecting the most suitable one for the reheating furnace. By considering these factors, you can make an informed decision when choosing monolithic refractories for reheating furnaces, ensuring optimal performance, durability, and cost-effectiveness.
- Q:How do monolithic refractories enhance the performance of ladle and tundish purging systems?
- The performance of ladle and tundish purging systems is greatly improved by the use of monolithic refractories. These refractories offer various advantages in enhancing the efficiency and effectiveness of the purging process. To begin with, the thermal insulation properties of monolithic refractories are exceptional. When impurities and gases need to be eliminated from molten metal, high temperatures are necessary. By utilizing monolithic refractories, heat loss is minimized, and the desired temperature within the system is maintained. This ensures that the purging process is carried out effectively and efficiently. Furthermore, monolithic refractories possess superior resistance to erosion and corrosion. The molten metal and purging gases can be corrosive and abrasive, making it essential for the lining to withstand such harsh conditions. Monolithic refractories are specifically designed to endure these circumstances, preventing erosion and corrosion. This contributes to the longevity of the ladle and tundish purging systems, reducing the need for frequent repairs or replacements. Additionally, monolithic refractories provide remarkable strength and stability. As molten metal and purging gases move within the system, significant mechanical stresses are experienced. The use of monolithic refractories ensures that the lining remains structurally sound, preventing any deformation or failure under these conditions. This guarantees smooth and uninterrupted purging operations, thus enhancing the overall performance of the system. Moreover, the installation and maintenance of monolithic refractories are straightforward. Unlike traditional brick and mortar refractories, monolithic refractories can be easily applied as a single, uniform layer. This simplifies the installation process and reduces the time and effort required for maintenance. Any necessary repairs or replacements can be conducted more efficiently, resulting in minimal downtime and maximum productivity for the ladle and tundish purging systems. In conclusion, monolithic refractories significantly improve the performance of ladle and tundish purging systems by providing excellent thermal insulation, erosion and corrosion resistance, strength and stability, as well as ease of installation and maintenance. These properties contribute to the efficient and effective removal of impurities and gases from molten metal, ensuring high-quality output and optimizing the overall productivity of the purging process.
- Q:How do monolithic refractories withstand the chemical attacks in copper smelting applications?
- Monolithic refractories have the ability to withstand chemical attacks in copper smelting applications due to their unique properties and composition. These refractories are specifically designed to resist the harsh and corrosive environment found in copper smelting processes. Firstly, monolithic refractories are made from high-quality materials such as alumina, silica, and magnesia, which have high melting points and are chemically stable. These materials are carefully selected to ensure they can withstand the corrosive effects of copper smelting, such as the presence of sulfur compounds and acidic gases. The refractory's composition also includes various additives and bonding agents that enhance its resistance to chemical attacks. Additionally, monolithic refractories have excellent thermal shock resistance, meaning they can withstand rapid temperature changes without cracking or spalling. In copper smelting applications, the extreme temperatures involved can cause thermal stress on the refractory lining. The refractories' ability to withstand these temperature fluctuations is crucial in preventing the formation of cracks and ensuring their long-term performance. Furthermore, monolithic refractories have a dense and compact structure, which provides an effective barrier against the penetration of molten copper and other corrosive substances. This dense structure prevents the chemical attacks from penetrating the refractory lining, thus ensuring its durability and longevity. Moreover, monolithic refractories offer superior erosion resistance, which is essential in copper smelting applications where high-velocity gases and molten metal flows can cause erosion of the refractory lining. The refractory's erosion resistance prevents the degradation of the lining and maintains its structural integrity. Overall, monolithic refractories are specially designed to withstand the chemical attacks encountered in copper smelting applications. By utilizing high-quality materials, incorporating additives, and possessing excellent thermal shock resistance, density, and erosion resistance, these refractories provide a reliable and durable lining that can withstand the harsh conditions of copper smelting processes.
- Q:Can monolithic refractories be used for the lining of continuous casting tundishes and molds?
- Yes, monolithic refractories can be used for the lining of continuous casting tundishes and molds. Monolithic refractories are versatile and can be shaped or molded to fit the specific requirements of the tundish and mold lining. They offer excellent thermal shock resistance and high-temperature stability, making them suitable for the harsh conditions of continuous casting. Additionally, monolithic refractories have low porosity, which helps prevent the penetration of molten metal and promotes longer service life for the tundish and mold lining.
- Q:How are monolithic refractories applied in the hot face and cold face of furnace linings?
- Because of their superior thermal and mechanical properties, monolithic refractories are commonly utilized in furnace linings. These materials are employed in both the hot face and cold face of furnace linings, but their application methods differ for each. When it comes to the hot face of furnace linings, monolithic refractories are applied to endure extreme temperatures and harsh conditions. This area directly faces the heat source and is exposed to the highest temperatures. In this region, the refractory material is specifically engineered to possess excellent thermal conductivity and high resistance to thermal shock. To apply monolithic refractories in the hot face, the commonly used technique is gunning. Gunning involves the spraying or troweling of the refractory material onto the lining's surface. This technique enables quick and efficient application, ensuring a uniform and dense layer of refractory material. Gunning is especially suitable for areas with intricate shapes and contours. On the other hand, the primary concern for the cold face of furnace linings is insulation and protection. The cold face refers to the area that does not directly come into contact with the heat source and experiences lower temperatures. In this area, the refractory material is designed to possess low thermal conductivity and high insulation properties. The application of monolithic refractories in the cold face is typically accomplished using the technique called ramming. Ramming involves compacting the refractory material into place using a pneumatic or hydraulic ramming tool. This technique ensures the creation of a dense and solid layer of refractory material, providing excellent insulation and protection against heat loss. In conclusion, monolithic refractories are vital components of furnace linings as they provide the necessary thermal insulation and mechanical strength required in high-temperature environments. The application techniques of gunning and ramming allow for efficient and effective installation in both the hot face and cold face of furnace linings.
- Q:How do monolithic refractories withstand the mechanical impacts in furnace door applications?
- Monolithic refractories have been specially designed to endure the mechanical impacts experienced in furnace door applications as a result of their unique properties and composition. These refractories are manufactured from a solitary piece of material, which eliminates the necessity for joints or seams that are susceptible to cracking or failure under mechanical stress. An essential characteristic of monolithic refractories is their elevated density, which grants them exceptional strength and resistance against mechanical impacts. Their compact structure makes them less prone to cracking or fracturing when exposed to sudden or repeated impacts, such as the opening or closing of a furnace door. Along with their density, monolithic refractories also possess substantial tensile strength and toughness. These qualities enable them to absorb and disperse the energy from mechanical impacts, reducing the likelihood of damage or failure. This is particularly crucial in furnace door applications, where the refractories are constantly subjected to the stress of door movement. Moreover, monolithic refractories frequently incorporate additives or bonding agents that enhance their mechanical properties. These additives may consist of fibers or aggregates that fortify the structure and improve impact resistance. They can also enhance the refractory's ability to endure thermal cycling, which is common in furnace door applications. Overall, monolithic refractories are meticulously engineered to withstand the mechanical impacts encountered in furnace door applications. Their dense composition with high strength, combined with the utilization of additives and bonding agents, guarantees their durability and longevity in these demanding environments.
- 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 monolithic refractories and how are they used in the iron and steel industry?
- Monolithic refractories are a type of refractory material that are characterized by their unified and continuous structure. Unlike traditional refractory bricks, which are made by firing individual pieces in a kiln, monolithic refractories are composed of a single, seamless mass. This allows for greater flexibility in terms of shape and size, making them ideal for various applications in the iron and steel industry. In the iron and steel industry, monolithic refractories are widely used due to their superior thermal and mechanical properties. They are employed in a range of applications, including lining furnaces, kilns, ladles, and tundishes. These refractories are designed to withstand extreme temperatures, chemical erosion, and mechanical stress, ensuring the efficient and continuous operation of the steelmaking process. One common use of monolithic refractories in the iron and steel industry is the lining of blast furnaces. Blast furnaces are large, cylindrical structures used for the production of pig iron from iron ore. The lining of these furnaces is subjected to intense heat and chemical reactions, as well as the abrasive nature of iron ore and hot gases. Monolithic refractories, such as castables and gunning mixes, are utilized to create a durable lining that can withstand these harsh conditions. Another application is the lining of ladles, which are used to transport molten metal from the blast furnace to the steelmaking process. Monolithic refractories are used to line the ladles, protecting them from the corrosive effects of hot metal and slag. In this case, the ability to form monolithic shapes allows for precise fitting and easy installation. Monolithic refractories also find use in tundishes, which are vessels used to distribute molten metal evenly into molds during continuous casting. The refractories used in tundishes must have excellent thermal shock resistance and erosion resistance to withstand the high temperatures and abrasive nature of the molten metal. Monolithic refractories, such as ramming and patching mixes, are utilized to repair and maintain the tundish lining. Overall, monolithic refractories are essential in the iron and steel industry for their ability to withstand extreme conditions and provide long-lasting linings in various applications. By utilizing these advanced refractory materials, the industry can achieve improved efficiency, reduced downtime, and enhanced productivity in the steelmaking process.
- Q:What are the different techniques for installing monolithic refractories?
- Some of the different techniques for installing monolithic refractories include gunning, casting, ramming, and troweling. Gunning involves spraying a mixture of refractory material and water onto the surface using a high-pressure gun. Casting involves pouring the refractory material into a mold and allowing it to harden. Ramming involves manually packing the refractory material into place using a ramming tool. Troweling involves applying the refractory material with a trowel, similar to applying mortar.
- Q:How are monolithic refractories used in the repair and maintenance of ladle and tundish covers?
- Due to their excellent thermal resistance and durability, monolithic refractories are commonly utilized for repairing and maintaining ladle and tundish covers. These covers play a crucial role in the containment of molten metal and the prevention of heat loss during the steelmaking process. When exposed to high temperatures and thermal cycling, ladle and tundish covers can undergo wear and tear, resulting in cracks, spalling, or even complete failure. This is where monolithic refractories come into play. Monolithic refractories are refractory materials that are not shaped and can be easily molded and applied to damaged areas of ladle and tundish covers. They can be cast, gunned, or sprayed onto the surface, enabling quick and efficient repairs. Typically, these refractories consist of a matrix material, such as alumina, silica, or magnesia, along with various additives and bonding agents. The specific composition depends on the application requirements and severity of operating conditions. The repair process begins by identifying the damaged areas of the ladle or tundish cover. Any loose or damaged refractory material is removed, and the surface is prepared for the application of the monolithic refractory. This may involve cleaning, roughening, or even preheating the surface, depending on the specific requirements. The monolithic refractory is then mixed with water or a suitable binder to achieve a workable consistency. It is then applied to the damaged areas using the appropriate method, such as casting or spraying. After application, the refractory material is allowed to dry and cure, typically through controlled heating. Once cured, the monolithic refractory forms a robust and durable lining that can withstand the high temperatures, thermal cycling, and chemical reactions occurring during ladle and tundish operation. It provides excellent thermal insulation, minimizing heat loss and reducing energy consumption. Moreover, monolithic refractories exhibit superior resistance to slag, metal penetration, and erosion, ensuring extended service life for ladle and tundish covers. They also possess good thermal shock resistance, enabling them to endure rapid temperature changes without cracking or spalling. In conclusion, monolithic refractories are indispensable for repairing and maintaining ladle and tundish covers due to their thermal resistance, durability, and ease of application. Their ability to withstand high temperatures, thermal cycling, and chemical reactions ensures the integrity and efficiency of ladle and tundish operations in the steelmaking 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 |
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|---|---|
| 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 |
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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 | 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 Magnesium Calcium Gunning for Ladle and Tundish for Iron and Steel Industry
- Ref Price:
-
$652.11 - 797.03
/ 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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