Monolithic Refractories for Iron and Steel Industry - High Alumina Plastic Castable for Hot Blast Stove
- Ref Price:
-
$417.81 - 510.65
/ 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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General Information of High Alumina Plastic Castable for Hot Blast Stove
ALRE high-alumina plastic castable for hot blast stove made strictly as per international standards, is known for its long operating life, excellent corrosion resistance and high refractoriness.
Technical data of High Alumina Plastic Castable for Hot Blast Stove
Item | High-alumina plastic castable | ||||
CJS-1600 | |||||
Al2O3 | % | ≥ | 55 | 65 | |
SiO2+C | % | ≥ | --- | --- | |
CaO | % | ≤ | --- | --- | |
MgO | % | ≥ | |||
SiO2 | % | ≤ | 40 | 30 | |
Bulk density g/cm3）≥ | 110℃×24h | 2.3 | 2.4 | ||
1000℃×3h | --- | --- | |||
1450℃×3h | --- | --- | |||
1500℃×3h | --- | --- | |||
110℃×24h | --- | --- | |||
1450℃×3h | --- | --- | |||
M.O.R. (MPa)≥ | 110℃×24h | 5-7 | 5-8 | ||
1000℃×3h | --- | --- | |||
1450℃×3h | --- | --- | |||
1500℃×3h | 10 | 12 | |||
Linear change after heating | 110℃×24h | -0.2~0 | -0.2~0 | ||
1000℃×3h | |||||
1450℃×3h | |||||
1500℃×3h | 0~+0.5 | 0~+0.5 | |||
Max. service temperature (℃) | 1500 | 1600 | |||
Using area | Linings of heating furnace of steel rolling, incinerator (Ramming construction method) | ||||
Production line and Packing of High Alumina Plastic Castable for Hot Blast Stove
Feature of High Alumina Plastic Castable for Hot Blast Stove
Easy execution and mending
Excellent corrosion and scouring resistance of iron steel
Application of High Alumina Plastic Castable for Hot Blast Stove
ALRE high-alumina plastic castable for hot blast stove could be used widely for linings of heating furnace of steel rolling, incinerator.
- Q: How do monolithic refractories impact the quality of iron and steel products?
- Monolithic refractories play a crucial role in influencing the quality of iron and steel products. These refractories are widely used in the lining of furnaces and other high-temperature environments where iron and steel are processed. Firstly, monolithic refractories provide insulation and protect the lining of the furnace from the extreme heat generated during the iron and steel manufacturing process. By maintaining the desired temperature, these refractories ensure the proper and consistent heating of the metal, which is essential for achieving the desired product quality. Without adequate insulation, the heat loss would be significant, leading to inefficient energy consumption and inconsistent product quality. Secondly, monolithic refractories have a significant impact on the overall cleanliness of the iron and steel. During the production process, impurities and slag are formed, which can contaminate the metal if not properly managed. Refractories with high resistance to slag penetration and corrosion prevent these impurities from infiltrating the metal, ensuring a cleaner and purer final product. Furthermore, monolithic refractories also contribute to the mechanical strength and durability of the furnace lining. The lining needs to withstand the harsh conditions and repeated thermal shocks encountered during the iron and steel production process. A strong and well-designed refractory lining can resist cracking, spalling, and erosion, extending the life of the furnace and minimizing the risk of downtime. In conclusion, monolithic refractories have a profound impact on the quality of iron and steel products. They provide thermal insulation, prevent contamination, and ensure the mechanical integrity of the furnace lining. By choosing the appropriate refractory material and maintaining it properly, manufacturers can optimize their production processes, increase product quality, and enhance overall operational efficiency.
- 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 the advantages of using plastic refractories in the iron and steel industry?
- Plastic refractories provide numerous benefits in the iron and steel industry. Firstly, their thermal insulation properties are exceptional. They possess a low thermal conductivity, enabling them to effectively retain heat and prevent excessive heat loss during manufacturing. This is critical for the proper functioning of furnaces and equipment, as maintaining high temperatures is essential. Secondly, plastic refractories exhibit superior resistance to chemical attack and corrosion. They can endure exposure to various chemicals, including molten metals and slag, without deteriorating or losing their structure. This is particularly important in an industry where materials frequently encounter highly corrosive substances. Moreover, plastic refractories offer the advantage of easy installation and repair. Unlike other refractory materials, they can be easily shaped and molded into the desired form. This allows for precise fitting and swift installation. Additionally, if damaged or worn, they can be easily repaired or patched, reducing downtime and maintenance costs. Additionally, plastic refractories possess excellent mechanical strength and abrasion resistance. This enables them to endure the physical stresses and mechanical forces present in the iron and steel industry, such as vibrations, impacts, and mechanical loading. Their high resistance to wear and tear ensures longevity and reduces the need for frequent replacements. Lastly, plastic refractories have a high resistance to thermal shock. They can withstand rapid temperature changes without cracking or spalling. This is advantageous in an industry where materials are subjected to extreme temperature differentials, such as during the heating and cooling cycles of furnaces. In conclusion, the utilization of plastic refractories in the iron and steel industry provides numerous advantages including excellent thermal insulation, resistance to chemical attack, ease of installation and repair, good mechanical strength, abrasion resistance, and high thermal shock resistance. These properties make plastic refractories an ideal choice for various applications, ensuring efficient and reliable operations.
- Q: What are the factors affecting the thermal expansion of monolithic refractories?
- The factors affecting the thermal expansion of monolithic refractories are the composition of the refractory material, the temperature gradient, and the firing or curing process.
- Q: How do monolithic refractories enhance the performance of ladle and tundish covers?
- The performance of ladle and tundish covers is significantly improved by the utilization of monolithic refractories. There are several ways in which this enhancement is achieved. Primarily, monolithic refractories possess remarkable thermal insulation properties. The steelmaking process subjects ladles and tundishes to extreme temperatures. Through the use of monolithic refractories, the covers effectively trap and retain heat, preventing excessive heat loss. This insulation ability not only helps maintain the desired temperature of the molten steel but also reduces the energy consumption required for heating. Secondly, monolithic refractories demonstrate exceptional resistance to thermal shock. When ladles and tundishes are filled with molten steel, there is a rapid and drastic temperature change in the refractory lining. This sudden shift can cause cracking and spalling of the lining, jeopardizing its integrity. However, monolithic refractories possess high thermal shock resistance, enabling them to endure these abrupt temperature fluctuations without significant damage. This ensures the longevity and durability of the ladle and tundish covers. Additionally, monolithic refractories exhibit excellent corrosion resistance. The presence of molten steel and other corrosive substances in ladles and tundishes can erode the refractory lining over time. Nonetheless, monolithic refractories are specifically engineered to withstand these corrosive environments, shielding the covers from chemical attack and erosion. This corrosion resistance enhances the lifespan of the ladle and tundish covers, reducing the need for frequent replacements and associated downtime. Furthermore, monolithic refractories provide good mechanical strength and stability. Ladles and tundishes undergo various mechanical stresses, including the weight of the molten steel, thermal expansions, and vibrations. The use of monolithic refractories furnishes the necessary strength and stability to endure these mechanical forces, averting structural failures and maintaining the integrity of the covers. To summarize, monolithic refractories heighten the performance of ladle and tundish covers by providing exceptional thermal insulation, resistance to thermal shock and corrosion, and sufficient mechanical strength. These properties guarantee efficient steelmaking processes, diminish maintenance costs, and extend the lifespan of ladles and tundishes.
- Q: What are the main factors affecting the thermal conductivity of monolithic refractories?
- The main factors affecting the thermal conductivity of monolithic refractories are the composition of the refractory material, the density of the material, the porosity of the material, and the presence of any additives or impurities. The composition of the refractory material plays a significant role in determining its thermal conductivity. Different types of refractory materials, such as alumina-based, silica-based, or magnesia-based, have different thermal conductivities due to their varying chemical compositions. For example, materials with a higher alumina content generally have higher thermal conductivities compared to materials with a higher silica content. The density of the refractory material also affects its thermal conductivity. Generally, materials with higher densities have higher thermal conductivities because the closely packed particles allow for more efficient heat transfer. On the other hand, materials with lower densities have lower thermal conductivities as the heat transfer is hindered by the presence of air pockets or voids. The porosity of the refractory material is another important factor affecting its thermal conductivity. Porosity refers to the presence of small pores or spaces within the material. Higher porosity leads to lower thermal conductivity as the air or gas trapped within the pores acts as an insulator, reducing the ability of the material to conduct heat. Therefore, materials with lower porosity tend to have higher thermal conductivities. The presence of any additives or impurities in the refractory material can also affect its thermal conductivity. Certain additives or impurities, such as carbon or metallic oxides, can enhance or inhibit heat transfer in the material. For instance, the addition of carbon can increase thermal conductivity due to its high thermal conductivity, while the presence of metallic oxides may decrease thermal conductivity due to their lower thermal conductivities. In summary, the thermal conductivity of monolithic refractories is influenced by the composition, density, porosity, and the presence of any additives or impurities. Understanding and controlling these factors are crucial in designing and selecting refractory materials with optimal thermal conductivity for specific applications.
- Q: How do monolithic refractories contribute to the reduction of heat loss in ladles and tundishes?
- Monolithic refractories play a crucial role in reducing heat loss in ladles and tundishes. These refractories are designed to provide excellent thermal insulation properties, which help to minimize the transfer of heat from the molten metal to the surrounding environment. One of the key factors contributing to heat loss in ladles and tundishes is conduction, where heat is transferred through direct contact with the refractory lining. Monolithic refractories are specifically engineered to have low thermal conductivity, meaning they are efficient at reducing heat transfer through conduction. This helps to maintain the desired temperature of the molten metal for longer periods, ultimately reducing energy consumption and improving overall process efficiency. Furthermore, monolithic refractories also aid in reducing heat loss through radiation. These refractories have high emissivity, which means they emit a significant amount of thermal radiation. This emitted radiation helps to create a heat shield around the molten metal, preventing the loss of heat to the surroundings. By effectively trapping the radiant heat, monolithic refractories contribute to maintaining the desired temperature in ladles and tundishes, thereby minimizing heat loss. In addition to their thermal insulation properties, monolithic refractories also offer excellent resistance to thermal shock and mechanical stress, ensuring they remain intact and functional in the harsh operating conditions of ladles and tundishes. This durability further contributes to the reduction of heat loss by preventing any cracks or gaps in the refractory lining that could facilitate heat transfer. In summary, monolithic refractories significantly contribute to the reduction of 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: What are the advantages of using low-moisture castables in the iron and steel industry?
- Low-moisture castables offer numerous benefits to the iron and steel industry. Firstly, their lower water content results in shorter drying times, which is crucial in this fast-paced industry. This reduction in overall production time allows for quicker turnaround and increased efficiency. Secondly, low-moisture castables exhibit superior strength and durability when compared to traditional castables. They can withstand extreme temperatures and harsh environments without cracking or breaking. This resilience is essential in an industry marked by high heat and abrasion, ensuring that the castables maintain their structural integrity and endure demanding conditions. Additionally, low-moisture castables boast excellent thermal shock resistance. This means they can handle rapid temperature changes without experiencing cracks or spalling. In an industry that frequently relies on heating and cooling processes, this attribute is highly advantageous. Moreover, low-moisture castables possess a higher density than traditional castables, resulting in improved insulation properties and lower thermal conductivity. This insulation efficiency conserves energy and minimizes heat loss during various processes, ultimately leading to significant cost savings. Lastly, low-moisture castables offer versatility in their application. They can be utilized for various purposes in the iron and steel industry, serving as linings for ladles, furnaces, tundishes, and other high-temperature equipment. This versatility allows for greater flexibility in designing and constructing the necessary infrastructure for iron and steel production. In conclusion, the utilization of low-moisture castables in the iron and steel industry provides a range of advantages, including reduced drying time, increased strength and durability, enhanced thermal shock resistance, improved insulation properties, and versatile application possibilities. These benefits contribute to more efficient and cost-effective operations in this industry.
- Q: What are the challenges in repairing and maintaining monolithic refractories?
- Repairing and maintaining monolithic refractories poses several challenges. One primary challenge lies in the intricate composition of the materials used in these refractories. They typically consist of various components, including aggregates, binders, and additives. The selection and proportioning of these components significantly affect the refractory's performance and durability, making it difficult to determine the most appropriate repair or maintenance method. Another obstacle arises from the extremely high temperatures at which monolithic refractories operate. These materials are specifically designed to withstand extreme heat, ranging from several hundred to several thousand degrees Celsius. Repairing or maintaining them under such conditions necessitates specialized equipment and techniques to ensure worker safety and repair integrity. Moreover, monolithic refractories often face harsh environments, such as corrosive gases, chemical reactions, and mechanical stresses. These factors can lead to gradual degradation and damage, requiring regular inspections and maintenance. However, identifying and addressing these issues promptly can be challenging as the damage may not always be visible or easily accessible. Furthermore, monolithic refractories are commonly employed in complex industrial processes like steelmaking, cement manufacturing, and petrochemical production. These processes typically involve continuous operation, limiting the available time for repairs and maintenance. Finding suitable windows of opportunity for maintenance and coordinating process shutdowns can pose logistical challenges. Lastly, the cost of repairing and maintaining monolithic refractories can be substantial. The materials used in these refractories tend to be expensive, and the labor and equipment required for repairs and maintenance can accumulate costs. Striking a balance between repair expenses, productivity maintenance, and extending the refractories' service life can challenge plant operators and maintenance teams. In conclusion, the challenges associated with repairing and maintaining monolithic refractories arise from the complex materials used, the high temperatures involved, the harsh operating environments, the complexity of industrial processes, and the cost considerations. Overcoming these challenges necessitates expertise, meticulous planning, and effective coordination to ensure the longevity and optimal performance of monolithic refractories.
- Q: What are the key properties of pumpable refractories used for monolithic refractory applications?
- The key properties of pumpable refractories used for monolithic refractory applications include high flowability, good workability, excellent bonding strength, and high resistance to thermal shock. These pumpable refractories should also possess good pumpability and be able to withstand the intense heat and mechanical stress in the application environment. Additionally, they should have low water demand, high chemical resistance, and the ability to maintain their properties even after exposure to high temperatures.
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 - High Alumina Plastic Castable for Hot Blast Stove
- Ref Price:
-
$417.81 - 510.65
/ 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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