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
You Might Also Like
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 improve the thermal efficiency of iron and steel furnaces?
- Monolithic refractories play a crucial role in improving the thermal efficiency of iron and steel furnaces. These refractories are essentially a single, solid mass that is used to line the furnaces and provide insulation and protection against the extreme temperatures generated during the metal production process. One way in which monolithic refractories enhance thermal efficiency is by reducing heat loss. These materials have low thermal conductivity, meaning they are poor conductors of heat. By lining the furnace with monolithic refractories, the heat generated inside the furnace is effectively contained within the chamber, minimizing heat loss to the surrounding environment. This allows for more efficient use of energy, as less heat is wasted and more of it is utilized for the intended purpose of heating and melting the metal. Additionally, monolithic refractories also contribute to the overall efficiency of the iron and steel furnaces by providing a high level of heat resistance. The extreme temperatures reached inside these furnaces can easily damage or deteriorate conventional refractory materials. However, monolithic refractories are designed to withstand these harsh conditions, maintaining their integrity and performance over extended periods. This durability ensures that the lining remains intact, preventing any potential leakage of heat and ensuring that the furnace operates at maximum efficiency. Furthermore, monolithic refractories offer flexibility in their installation process. They can be easily shaped and molded to fit the intricate designs and contours of the furnace, creating a seamless and continuous lining. This eliminates any gaps or weak points that could allow heat to escape or cold air to enter, further enhancing the thermal efficiency of the furnace. Overall, monolithic refractories significantly contribute to the thermal efficiency of iron and steel furnaces by reducing heat loss, providing high heat resistance, and ensuring a tight and continuous lining. By optimizing heat utilization and minimizing energy wastage, these refractories play a vital role in improving the productivity and sustainability of the iron and steel industry.
- Q:How do monolithic refractories withstand the thermal cycling in coke oven applications?
- Monolithic refractories are specifically designed to withstand the harsh conditions of thermal cycling in coke oven applications. Thermal cycling refers to the repetitive heating and cooling cycles that occur in these high-temperature environments. One of the key factors that enables monolithic refractories to withstand thermal cycling is their composition. They are typically made from a combination of different refractory materials, such as high-alumina, silica, and magnesia, which provide excellent thermal shock resistance. These materials have low thermal conductivity and high thermal expansion properties, allowing them to expand and contract without cracking or spalling under extreme temperature changes. Moreover, monolithic refractories have excellent bonding and adhesion properties, allowing them to form a strong and cohesive structure. This ensures that they can withstand the mechanical stresses caused by the thermal cycling process. Additionally, monolithic refractories can be installed in place through various techniques, such as gunning, casting, or ramming, which further enhances their resistance to thermal cycling. Furthermore, the presence of specialized additives and bonding agents in monolithic refractories improves their resistance to thermal cycling. These additives can enhance the refractory's ability to absorb thermal shock and minimize cracking, thus increasing its durability and longevity in coke oven applications. Overall, monolithic refractories' ability to withstand thermal cycling in coke oven applications can be attributed to their carefully formulated composition, strong bonding properties, and the incorporation of specialized additives. These characteristics make them highly reliable and suitable for the extreme temperature fluctuations experienced in coke oven operations.
- Q:What are the recent developments in monolithic refractories for the iron and steel industry?
- Over the past few years, significant progress has been made in the field of monolithic refractories for the iron and steel industry. These refractories are vital in the production of iron and steel, as they provide insulation and withstand high temperatures in furnaces and other equipment. One major advancement is the development of advanced alumina-based castables. These castables offer exceptional thermal shock resistance, high strength, and excellent corrosion resistance, making them perfect for the iron and steel industry. They can endure extreme temperatures and mechanical stress, resulting in longer service life and less maintenance downtime. Another noteworthy development is the introduction of low-cement and ultra-low cement castables. Compared to traditional castables, these have reduced cement content, leading to improved refractory properties. They have higher hot strength, lower porosity, and increased resistance to slag and metal corrosion. This enhances productivity and efficiency in the iron and steel manufacturing processes. Moreover, insulating refractories have seen advancements in their usage. Insulating castables and bricks are now used to line ladles, tundishes, and other equipment, providing better insulation and energy efficiency. These materials help reduce heat loss and improve thermal efficiency, resulting in cost savings and reduced environmental impact. Additionally, there have been significant improvements in the installation techniques of monolithic refractories. Traditional brick lining methods require skilled labor and a longer installation time. However, the introduction of gunning and shotcreting techniques has made the process faster and more efficient. These techniques involve spraying refractory materials onto the lining surface, ensuring better adherence and reducing the risk of lining failure. Overall, recent developments in monolithic refractories for the iron and steel industry have focused on enhancing thermal shock resistance, corrosion resistance, insulation properties, and installation techniques. These advancements have led to increased efficiency, reduced downtime, and improved productivity in the iron and steel manufacturing processes.
- Q:How do monolithic refractories enhance the efficiency of reheating furnaces?
- Monolithic refractories enhance the efficiency of reheating furnaces by providing better thermal insulation, reducing heat loss, and improving the overall heat transfer within the furnace. These refractories have excellent resistance to high temperatures and thermal shock, allowing them to withstand extreme conditions for prolonged periods. By minimizing heat loss and maintaining a consistent temperature, they ensure that the reheating process is more energy-efficient, resulting in reduced fuel consumption and increased productivity.
- Q:How are monolithic refractories repaired or replaced in iron and steel facilities?
- Monolithic refractories in iron and steel facilities are repaired or replaced through a process known as hot repair or hot gunning. This involves using specialized equipment to heat the damaged refractory material and remove it. The area is then prepared for new refractory installation, which is done by either shotcreting or gunning the new material onto the surface. This method allows for quick repairs and replacements, minimizing downtime and ensuring the efficiency and safety of the facility.
- Q:How do monolithic refractories withstand the mechanical impacts in ladle lip applications?
- Monolithic refractories are able to withstand the mechanical impacts in ladle lip applications due to their unique properties and composition. Firstly, monolithic refractories are made from a single, homogenous material, which provides them with a high level of structural integrity. This means that they are less vulnerable to cracking or breaking when subjected to mechanical impacts. Additionally, monolithic refractories often contain additives such as fibers or aggregates, which further enhance their resistance to mechanical stresses. These additives help to distribute the forces applied to the refractory material, reducing the concentration of stress points and increasing its overall durability. Furthermore, the application process of monolithic refractories allows for a seamless and continuous lining, eliminating the presence of joints or weak points that are susceptible to mechanical damage. This ensures a more uniform distribution of the impacts and enhances the material's ability to withstand them. Moreover, monolithic refractories can be designed with specific compositions and formulations that are tailored to resist mechanical impacts. Various binders and additives can be incorporated to enhance the material's toughness, impact resistance, and overall mechanical strength. Finally, the selection of monolithic refractories for ladle lip applications also takes into consideration the operating conditions, such as temperature and chemical exposure. By choosing refractories that are suitable for these conditions, their mechanical properties can be optimized to withstand the specific challenges posed by ladle lip applications. In summary, monolithic refractories are able to withstand mechanical impacts in ladle lip applications due to their homogenous structure, the inclusion of additives, the seamless application process, and the ability to customize their composition. These factors contribute to their ability to resist cracking, breaking, and other forms of mechanical damage, ensuring their longevity and effectiveness in ladle lip applications.
- Q:What are the quality control measures for monolithic refractories in the iron and steel industry?
- In the iron and steel industry, the quality control measures for monolithic refractories are essential to ensure the efficiency and safety of the production process. These measures involve various inspections and tests throughout the manufacturing and installation stages. Firstly, the raw materials used for monolithic refractories undergo rigorous testing. This includes analyzing the chemical composition, particle size distribution, and impurity content. These tests ensure that the ingredients meet the required specifications and are suitable for the intended application. During the production process, quality control measures focus on monitoring the mixing and blending of the materials. This ensures a homogeneous mixture and avoids any inconsistencies in the final product. The density and viscosity of the refractory castables or plastics are also checked to maintain the desired physical properties. Once the monolithic refractories are manufactured, they undergo several tests to evaluate their performance characteristics. These tests can include determining the cold crushing strength, modulus of rupture, and thermal conductivity. These properties are critical to ensure the refractories can withstand the extreme temperatures and mechanical stress present in the iron and steel industry. In addition to laboratory testing, quality control measures involve on-site inspections during installation. This includes verifying the correct application techniques, such as proper vibration, curing, and drying procedures. It is important to ensure that the monolithic refractories are applied correctly to achieve optimal performance and longevity. Furthermore, regular sampling and monitoring of the refractories' performance during operation are carried out. This allows for the detection of any signs of degradation or wear, enabling proactive maintenance and replacement before any significant issues arise. Overall, the quality control measures for monolithic refractories in the iron and steel industry involve comprehensive testing, monitoring, and inspection procedures. These measures aim to guarantee the reliability, durability, and efficiency of the refractories, ultimately contributing to the smooth operation of the iron and steel production processes.
- Q:What are the advantages of using plastic refractories in the iron and steel industry?
- There are several advantages of using plastic refractories in the iron and steel industry. Firstly, plastic refractories offer excellent thermal insulation properties. They have low thermal conductivity, which means they can effectively retain heat and prevent excessive heat loss during the manufacturing process. This is crucial in the iron and steel industry as maintaining high temperatures is essential for the proper functioning of furnaces and other equipment. Secondly, plastic refractories have superior resistance to chemical attack and corrosion. They can withstand exposure to various chemicals, including molten metals and slag, without deteriorating or losing their structural integrity. This is especially important in the iron and steel industry, where materials come into contact with highly corrosive substances on a regular basis. Another advantage of plastic refractories is their ease of installation and repair. Unlike other refractory materials, plastic refractories can be easily shaped and molded into the desired form, allowing for precise fitting and quick installation. Additionally, they can be easily repaired or patched in case of damage or wear, which reduces downtime and maintenance costs. Furthermore, plastic refractories exhibit good mechanical strength and abrasion resistance. This enables them to withstand 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 thermal shock resistance. They can withstand rapid temperature changes without cracking or spalling. This is beneficial in the iron and steel industry, where materials are subjected to extreme temperature differentials, such as during the heating and cooling cycles of furnaces. In conclusion, the advantages of using plastic refractories in the iron and steel industry include 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 in this industry, ensuring efficient and reliable operations.
- Q:What are the key properties of patching mixes used for monolithic refractory repairs?
- The key properties of patching mixes used for monolithic refractory repairs include: 1. High temperature resistance: Patching mixes for monolithic refractory repairs need to be able to withstand high temperatures without losing their structural integrity. They should be able to withstand temperatures in the range of 2000 to 3000 degrees Fahrenheit. 2. Chemical resistance: These patching mixes should be resistant to the chemical reactions that occur in the presence of molten metals, slag, or other corrosive materials. They should not deteriorate or react with these substances, ensuring the longevity of the repaired refractory. 3. Thermal shock resistance: Patching mixes must be able to withstand rapid changes in temperature without cracking or spalling. Refractory linings are often subjected to extreme thermal cycling, and the patching material should be able to handle these conditions without failure. 4. Adhesion: The patching mix should have excellent adhesion properties to ensure a strong bond with the existing refractory material. This is crucial to prevent any separation or detachment of the patching material, which could lead to further damage or failure. 5. Workability: The patching mix should have good workability, allowing for easy and efficient application. It should be easily moldable and able to fill cracks, gaps, or damaged areas effectively. 6. Setting and curing time: The patching mix should have a reasonable setting and curing time. It should be able to harden quickly to allow for minimal downtime during repairs, but also provide sufficient time for proper application and shaping. 7. Density and porosity: The patching material should have an appropriate density and porosity to ensure resistance against molten metal or slag penetration. A low porosity ensures that the repaired refractory maintains its thermal insulation properties. 8. Mechanical strength: The patching mix should exhibit adequate mechanical strength to withstand physical stresses, such as abrasion or impact, that may occur during operation. 9. Compatibility: It is important that the patching mix is compatible with the existing refractory material to ensure a seamless integration and prevent any potential chemical reactions or incompatibilities that could compromise the repair. By considering these key properties, patching mixes used for monolithic refractory repairs can effectively restore the integrity and performance of refractory linings, extending their lifespan and ensuring efficient and safe operation in high-temperature environments.
- Q:What are the key trends in the use of monolithic refractories in the iron and steel industry?
- It is worth noting that there are several notable trends in the use of monolithic refractories in the iron and steel industry. First and foremost, there is an increasing demand for monolithic refractories due to their superior performance characteristics in comparison to traditional brick refractories. Monolithic refractories provide higher thermal shock resistance, superior insulation properties, and improved resistance to chemical attacks. As a result, they are being used more extensively in various applications within the iron and steel industry. Secondly, there is a shift towards the utilization of low-cement and ultra-low cement castables in monolithic refractories. These materials contain a reduced amount of cement, leading to enhanced refractory properties such as increased strength, better corrosion resistance, and improved resistance to thermal spalling. This trend is driven by the need to enhance the overall efficiency and longevity of refractory linings in iron and steel manufacturing processes. Another significant trend is the development of advanced monolithic refractories that prioritize sustainability and environmental performance. The iron and steel industry is facing mounting pressure to reduce its carbon footprint and minimize its impact on the environment. Consequently, there is a growing emphasis on the use of environmentally friendly binders and additives in monolithic refractories. These novel materials not only offer excellent refractory properties but also contribute to the industry's sustainability objectives. Moreover, there is an increasing focus on the development of monolithic refractories capable of withstanding extreme operating conditions. Iron and steel manufacturing processes involve high temperatures, aggressive chemical environments, and severe mechanical stresses. Consequently, there is a need for monolithic refractories that can withstand these harsh conditions without compromising their performance. The industry is investing in research and development to create refractories that exhibit exceptional resistance to thermal shock, abrasion, and erosion. Lastly, there is a growing adoption of digital and smart technologies for the monitoring and maintenance of monolithic refractories. Advances in sensor technology and data analytics have made it possible to collect real-time data on the condition and performance of refractory linings. This enables proactive maintenance, early detection of potential issues, and optimization of refractory usage, ultimately leading to improved operational efficiency and cost savings. In conclusion, the use of monolithic refractories in the iron and steel industry is witnessing key trends such as the demand for superior performance, the shift towards low-cement and ultra-low cement castables, the development of sustainable materials, the focus on extreme operating conditions, and the adoption of digital and smart technologies for monitoring and maintenance. These trends reflect the industry's continuous efforts to enhance the efficiency, durability, and environmental sustainability of refractory linings in iron and steel manufacturing processes.
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 |
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
