Alumina-Spinel Castable for Ladle
- Ref Price:
-
$1,312.11 - 1,603.69
/ 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 Alumina-Spinel Castable for Ladle
ALRE alumina-spinel castable for ladle made strictly as per international standards, is known for its long operating life, excellent corrosion resistance and high refractoriness.
Technical data of Alumina-Spinel Castable for Ladle
Item | Alumina spinel castable | ||||
Al2O3 | % | ≥ | 72 | ||
MgO | % | ≥ | 10 | ||
CaO | % | — | |||
SiO2 | % | ≤ | 9 | ||
SiO2+ Fe2O3+ Al2O3 | % | ≤ | |||
Bulk density ≥ | g/cm3 | — | |||
C.C.S. (MPa) ≥ | 110℃×24hrs | 90 | |||
1500℃×3hrs | 100 | ||||
M.O.R.(MPa) ≥ | 110℃×24hrs | 11.5 | |||
1500℃×3hrs | 11.5 | ||||
Refractoriness (℃) ≥ | — | ||||
Grain size (mm) ≤ | — | ||||
Permanent linear change | 1500℃×2hrs | -0.2~0.35 | |||
1500℃×3hrs | — | ||||
Life time (hr) | — | ||||
Production line and Packing of Alumina-Spinel Castable for Ladle
Feature of Alumina-Spinel Castable for Ladle
Long operating life
Easy execution and mending
Excellent corrosion and scouring resistance of iron steel
Application of Alumina-Spinel Castable for Ladle
ALRE alumina-spinel castable could be used widely for lining of ladles in steel and iron industry.
- Q:How do monolithic refractories mitigate heat loss in iron and steel operations?
- Monolithic refractories possess unique properties and composition that make them highly effective in reducing heat loss in iron and steel operations. Unlike other refractories, monolithic ones are made from a single, continuous material, making them resistant to cracks and gaps that could potentially allow heat to escape. One major advantage of monolithic refractories lies in their exceptional thermal conductivity and insulation properties. With their low thermal conductivity, they are able to effectively limit the transfer of heat from hot areas to cooler surroundings. This insulation characteristic helps maintain high temperatures within iron and steel operations, resulting in reduced heat loss to the environment. Another contributing factor to heat loss mitigation is the ability of monolithic refractories to form a tight seal with the metal structures they are applied to. They adhere well to surfaces and fill in any gaps or irregularities, creating a solid barrier against heat loss. By minimizing the possibility of heat escaping, these refractories ensure that the energy generated within the operations is utilized effectively. Additionally, monolithic refractories exhibit high resistance to thermal shock. In the iron and steel industry, rapid temperature fluctuations are common, which can lead to material deterioration and cracks. However, monolithic refractories possess the ability to withstand these temperature changes without compromising their structural integrity. This guarantees the longevity and effectiveness of the refractories in mitigating heat loss. In summary, monolithic refractories play a vital role in reducing heat loss in iron and steel operations through their excellent insulation, ability to form a tight seal, and resistance to thermal shock. These properties enable them to maintain high temperatures, optimize energy utilization, and enhance overall process efficiency.
- Q:How do monolithic refractories contribute to the reduction of heat loss in iron and steel furnaces?
- Monolithic refractories play a crucial role in reducing heat loss in iron and steel furnaces by providing excellent insulation and maintaining a high level of thermal efficiency. These materials are designed to withstand extreme temperatures and are applied as a single, seamless lining, eliminating joints and gaps that could allow heat to escape. By creating a barrier between the hot furnace and the surrounding environment, monolithic refractories effectively minimize heat loss, ensuring optimal energy utilization and cost savings in the iron and steel industry.
- Q:How are monolithic refractories used in the iron and steel industry?
- Monolithic refractories are extensively used in the iron and steel industry for various applications due to their superior performance and versatility. These refractories are composed of a single, uniform material and are designed to be used as a seamless lining in high-temperature environments. In the iron and steel industry, monolithic refractories play a crucial role in different stages of the manufacturing process. One of the primary applications is in the blast furnace, where monolithic refractories are used to line the inside of the furnace. This lining is subjected to extremely high temperatures and harsh chemical reactions. Monolithic refractories provide excellent thermal insulation and resistance to chemical attack, ensuring the structural integrity and longevity of the blast furnace. Another important application is in the steelmaking process. Monolithic refractories are used to line the ladles and tundish, which are used to transport and pour molten steel. These refractories are specially designed to withstand the high temperatures and corrosive nature of the molten steel, preventing contamination and ensuring the quality of the final product. Moreover, monolithic refractories are also used in various ancillary equipment and structures in the iron and steel industry. They are employed in furnaces, kilns, and other heat treatment systems to provide insulation and maintain high-temperature conditions. Additionally, monolithic refractories are used in the construction of chimneys, exhaust ducts, and other exhaust systems, where they provide thermal insulation and resistance to corrosive gases. Overall, monolithic refractories play a vital role in the iron and steel industry by providing high-temperature insulation, chemical resistance, and durability. They help optimize the production process, improve energy efficiency, and ensure the quality of the final product. With their versatility and excellent performance, monolithic refractories have become an indispensable component in the iron and steel manufacturing industry.
- Q:How are monolithic refractories installed and repaired in iron and steel production facilities?
- Monolithic refractories are vital components in iron and steel production facilities, as they provide insulation and protection against high temperatures, chemical corrosion, and mechanical wear. The installation and repair processes for monolithic refractories in these facilities require careful planning, expertise, and adherence to safety protocols. When installing monolithic refractories, the first step is to prepare the surface by removing any loose material and cleaning the area thoroughly. This ensures proper adhesion of the refractory material. The surface may also need to be roughened or textured to improve bonding. Next, the monolithic refractory material is mixed with water or a binder to create a workable consistency. It is then applied to the prepared surface using various methods such as casting, gunning, ramming, or troweling. The choice of application method depends on factors such as the type of refractory material, the area being repaired, and the desired outcome. During installation, it is essential to carefully follow the manufacturer's instructions regarding mixing ratios, curing times, and drying temperatures. Improper installation can lead to reduced refractory performance, premature failure, and safety hazards. Repairing monolithic refractories in iron and steel production facilities is an ongoing process due to the harsh operating conditions and mechanical stresses they endure. When a refractory lining shows signs of damage or wear, it is crucial to address the issue promptly to prevent further deterioration. The first step in repairing monolithic refractories is to assess the extent of the damage. This can be done through visual inspection, thermal imaging, or non-destructive testing techniques. Once the damage is identified, the repair method can be determined. Minor repairs can often be carried out using patching materials. These materials are typically the same or similar to the original refractory composition and are mixed with water or a binder to form a paste. The paste is then applied to the damaged area and allowed to cure. For more extensive repairs, the damaged refractory material may need to be removed entirely. This can be done through mechanical methods such as chipping, grinding, or cutting. After the damaged material is removed, the surface is prepared as mentioned earlier, and new refractory material is installed using the appropriate application method. It is important to note that the repair process should be conducted by trained personnel with expertise in refractory installation and repair. Safety precautions such as wearing protective clothing, using proper tools, and following established procedures should always be observed. In conclusion, the installation and repair of monolithic refractories in iron and steel production facilities require careful planning, adherence to manufacturer's instructions, and expertise in refractory materials. By following proper procedures and promptly addressing any damage, these facilities can ensure the longevity and efficiency of their refractory linings, ultimately contributing to the smooth operation of their production processes.
- Q:What are the typical properties of monolithic refractories used in iron and steel industry?
- Monolithic refractories used in the iron and steel industry generally possess several key properties that make them suitable for the harsh operating conditions in these industries. Firstly, monolithic refractories have excellent thermal shock resistance. They can withstand rapid temperature changes without cracking or spalling, which is crucial in the iron and steel industry where the heating and cooling processes can be highly intense. Secondly, these refractories exhibit high refractoriness, meaning they can withstand extremely high temperatures without losing their strength or shape. This is essential in environments where temperatures can reach well above 1000 degrees Celsius. Additionally, monolithic refractories used in the iron and steel industry are known for their excellent corrosion resistance. They can resist the corrosive effects of molten metals, slags, and gases that are commonly encountered in these industrial processes. Furthermore, these refractories have good mechanical strength and abrasion resistance, allowing them to withstand the physical stresses and wear caused by handling and mechanical operations. Another important property of monolithic refractories is their ability to form strong bonds with the existing refractory lining. This ensures a secure and long-lasting installation, reducing the risk of failure and minimizing downtime for maintenance or repairs. Lastly, these refractories often have low porosity, which prevents the infiltration of molten metal or slag into the lining. This helps to maintain the integrity of the refractory structure and prolong its service life. Overall, the typical properties of monolithic refractories used in the iron and steel industry include thermal shock resistance, high refractoriness, corrosion resistance, mechanical strength, strong bonding, and low porosity. These properties collectively contribute to the efficient and reliable operation of iron and steel manufacturing processes.
- Q:How do monolithic refractories contribute to the overall safety of iron and steel operations?
- Monolithic refractories play a crucial role in ensuring the overall safety of iron and steel operations by providing several important benefits. Firstly, monolithic refractories are known for their high thermal insulation properties, which means they can effectively withstand extreme temperatures and prevent heat loss. This is particularly important in iron and steel operations, where high temperatures are involved in various processes such as melting, casting, and heat treatment. By minimizing heat loss, monolithic refractories help in maintaining a stable temperature environment, reducing the risk of accidents and ensuring the safety of personnel. Secondly, monolithic refractories offer excellent resistance to chemical attacks. In iron and steel operations, various chemicals and gases are present that can corrode and deteriorate the lining of furnaces, ladles, and other equipment. By providing a protective barrier, monolithic refractories prevent the penetration of these corrosive substances, thus extending the lifespan of the equipment and reducing the likelihood of failures or leaks that could pose safety hazards. Additionally, monolithic refractories are known for their structural integrity and high mechanical strength. In iron and steel operations, heavy loads and stresses are common, especially during the handling and movement of molten metal and raw materials. Monolithic refractories can withstand these stresses without cracking or collapsing, ensuring the structural stability of the equipment and minimizing the risk of accidents or equipment failure. Furthermore, monolithic refractories offer excellent thermal shock resistance. During iron and steel operations, sudden temperature changes can occur due to the introduction of cold materials or liquids into hot equipment. This thermal shock can cause cracking and spalling of the refractory lining, which can compromise the safety and efficiency of the operation. Monolithic refractories, with their ability to withstand thermal shock, help in minimizing the risk of unexpected failures and maintaining the overall safety of the operation. In conclusion, monolithic refractories contribute significantly to the overall safety of iron and steel operations by providing high thermal insulation, chemical resistance, structural integrity, and thermal shock resistance. By ensuring a stable temperature environment, protecting against chemical attacks, withstanding heavy loads, and resisting thermal shock, monolithic refractories help in preventing accidents, equipment failures, and potential hazards, thus creating a safer working environment for personnel in the iron and steel industry.
- Q:How do monolithic refractories prevent thermal shock in the iron and steel industry?
- Monolithic refractories play a crucial role in preventing thermal shock in the iron and steel industry by providing a high level of thermal insulation and resistance to extreme temperatures. Thermal shock occurs when there is a rapid and drastic change in temperature, causing stress and cracking in the refractory lining. In the iron and steel industry, where temperatures can reach several thousand degrees Celsius, the risk of thermal shock is particularly high. Monolithic refractories help prevent thermal shock by having a low thermal conductivity, which means they are able to insulate against rapid temperature changes. This insulation property allows them to withstand the extreme temperatures of the iron and steel production process without compromising their structural integrity. Furthermore, monolithic refractories are designed to have a high thermal shock resistance. This means that they can absorb and distribute the thermal stresses caused by temperature fluctuations, minimizing the risk of cracking or spalling. In addition to their thermal insulation and shock resistance properties, monolithic refractories also have excellent corrosion and erosion resistance. This is particularly important in the iron and steel industry, where the production environment is highly corrosive due to the presence of molten metals, slag, and gases. By providing a reliable and durable lining in the furnaces, ladles, and other equipment used in the iron and steel industry, monolithic refractories ensure that thermal shock is minimized. This, in turn, helps to maintain the efficiency and productivity of the production process, as well as prolong the lifespan of the equipment.
- Q:How do monolithic refractories prevent slag penetration?
- Monolithic refractories prevent slag penetration by forming a dense and continuous protective layer on the surface of the refractory material. This layer acts as a barrier, preventing the molten slag from infiltrating and damaging the refractory.
- Q:How do monolithic refractories contribute to the overall efficiency of iron and steel production?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of iron and steel production. These refractories, which are made from a single material, provide exceptional thermal insulation, resistance to high temperatures, and excellent mechanical strength. By lining the furnaces, ladles, and other equipment used in the production process, monolithic refractories help in maintaining and regulating the required high temperatures for melting, refining, and shaping iron and steel. This insulation reduces heat loss, minimizes energy consumption, and ensures a more efficient and cost-effective production process. Additionally, the mechanical strength of monolithic refractories allows for better protection against wear and tear, resulting in increased equipment lifespan and reduced downtime for repairs and maintenance. Overall, the use of monolithic refractories significantly contributes to the efficiency, productivity, and sustainability of the iron and steel production industry.
- Q:What are some common maintenance practices for monolithic refractories in iron and steel furnaces?
- Some common maintenance practices for monolithic refractories in iron and steel furnaces include: 1. Regular inspections: Conducting routine inspections is essential to identify any potential issues with the monolithic refractories. Inspections should be carried out by trained professionals who can assess the condition of the refractories and detect any signs of wear, erosion, or damage. 2. Repair and patching: Promptly repairing any damaged or eroded areas is crucial to prevent further deterioration and maintain the integrity of the refractories. Patching materials, such as refractory mortars or castable refractories, can be used to fill in gaps or repair small cracks. 3. Cleaning: Regularly cleaning the refractory lining helps to remove any build-up of slag, scale, or other impurities that can negatively impact the performance of the refractories. Cleaning can be done mechanically, using brushes or scrapers, or through chemical methods such as acid cleaning. 4. Thermal cycling: Controlled thermal cycling is often performed to condition and strengthen the monolithic refractories. This involves gradually increasing and decreasing the temperature of the furnace to improve the refractory's resistance to thermal shock. 5. Coating and sealing: Applying protective coatings or sealants to the refractory lining can help enhance its resistance to chemical attack, erosion, and thermal cycling. These coatings act as a barrier, preventing the penetration of molten metals or slags into the refractory material. 6. Monitoring and control: Continuous monitoring of operating conditions such as temperature, pressure, and atmosphere inside the furnace is important to prevent any sudden changes that may negatively affect the refractories. Maintaining proper control over these parameters helps to extend the life of the monolithic refractories. 7. Training and education: Providing regular training and education to furnace operators and maintenance personnel is crucial for them to understand the importance of proper refractory maintenance practices. This ensures that the refractories are handled and operated correctly, reducing the risk of premature failure. Overall, implementing these maintenance practices can significantly prolong the lifespan of monolithic refractories in iron and steel furnaces and maximize their performance, ultimately leading to improved efficiency and cost-effectiveness in the production process.
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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Alumina-Spinel Castable for Ladle
- Ref Price:
-
$1,312.11 - 1,603.69
/ 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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