Portlant Cement Castable For Fireplace and Industrial Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 kg
- Supply Capability:
- 3000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Portland Cement Castable for Fireplaces and Industrial Furnaces
Product Description:
Portland cement castable is manufactured according to international standards. The product is famous for its excellent abrasion resistance and low thermal conductivity. Further, these can be provided in different specifications as required by clients. Castables use high purity raw materials and additives as the main material, and are made with superfine powder adding technology.
Product Features:
The material has excellent structural stability and air tightness, and has high physical and chemical properties, and also excellent working ability. If should be used with the same material products.
Product Applications:
Widely used in various kiln linings, such as boilers, blast furnace hot blast stoves, heating furnaces, ceramic kilns, heat treatment furnaces, incinerators, re-circulating fluidized bed furnaces and chemical industry and construction industry furnaces.
Product Specifications:
Product Images:
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered by OKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
- Q:How do monolithic refractories contribute to the reduction of downtime in iron and steel plants?
- Monolithic refractories play a crucial role in reducing downtime in iron and steel plants due to their unique properties and applications. These refractories are composed of a single, uniform material, making them highly versatile and easier to install compared to traditional brick refractories. Firstly, monolithic refractories offer excellent thermal insulation, which helps to prevent heat loss and maintain high temperatures in various areas of the plant. This insulation capability reduces the need for frequent repairs and replacements, as it minimizes thermal stress and prolongs the lifespan of equipment and furnaces. This, in turn, results in less downtime required for maintenance and repair work. Secondly, monolithic refractories exhibit superior resistance to thermal shock. The extreme temperatures experienced in iron and steel plants can cause rapid and significant temperature changes, leading to the cracking and failure of refractory linings. However, monolithic refractories have better thermal shock resistance, enabling them to withstand sudden temperature fluctuations without sustaining damage. This property enhances their durability and contributes to the reduction of downtime. Moreover, monolithic refractories offer enhanced mechanical strength and chemical resistance, making them suitable for the harsh operating conditions in iron and steel plants. These refractories can withstand the erosive effects of molten metal, slag, and other corrosive materials, ensuring the longevity of equipment and reducing the frequency of maintenance interventions. Additionally, the installation process of monolithic refractories is faster and more efficient compared to brick refractories. They can be easily applied using various techniques, such as shotcreting or gunning, allowing for quick repairs or renovations during planned shutdowns or even emergency situations. The reduced installation time results in shorter downtime periods, enabling the plant to resume operations promptly. In conclusion, monolithic refractories significantly contribute to the reduction of downtime in iron and steel plants through their excellent thermal insulation, resistance to thermal shock, mechanical strength, and chemical resistance. Their ease of installation and quick repair capabilities further enhance their role in minimizing downtime and ensuring uninterrupted production in these critical industries.
- Q:How do monolithic refractories resist chemical attacks from molten metals and slag?
- Monolithic refractories are specifically designed to resist chemical attacks from molten metals and slag. They possess several key characteristics that enable them to withstand these aggressive environments. Firstly, monolithic refractories are composed of high-quality materials that have excellent chemical resistance. These materials, such as alumina, magnesia, and chrome, have a high melting point and are stable even when exposed to extreme temperatures and corrosive substances. This chemical stability ensures that the refractory can maintain its integrity and structural strength when in contact with molten metals and slag. Secondly, monolithic refractories have a dense and compact structure. This microstructure helps to prevent the penetration of molten metals and slag into the refractory material. The dense structure acts as a barrier, limiting the contact between the corrosive substances and the refractory. This reduces the chances of chemical reactions and erosion, thereby enhancing the resistance of the refractory to chemical attacks. Furthermore, monolithic refractories often contain additives and binders that enhance their chemical resistance. These additives create a protective layer on the refractory surface, acting as a shield against chemical attacks. They can also react with certain corrosive substances, forming stable compounds that further resist the penetration and corrosion of the refractory material. Additionally, monolithic refractories are designed to have low porosity. This low porosity minimizes the absorption of molten metals and slag, preventing them from infiltrating the refractory and causing damage. By reducing the permeability of the material, the refractory can maintain its structural integrity and resist chemical attacks over prolonged periods. In conclusion, monolithic refractories resist chemical attacks from molten metals and slag through their high-quality materials, dense structure, additives, and low porosity. These combined properties allow the refractories to withstand aggressive environments and maintain their performance and longevity in industrial applications.
- Q:What are the considerations for selecting monolithic refractories for ladles and tundishes?
- When it comes to choosing monolithic refractories for ladles and tundishes, there are a number of important factors to bear in mind. Firstly, it is crucial to select monolithic refractories that can withstand and maintain their strength and integrity at the extremely high temperatures experienced during metal casting processes. In addition, monolithic refractories with good thermal shock resistance are essential, as ladles and tundishes are subjected to rapid temperature changes during pouring and cooling. Such refractories can prevent cracking and spalling, ensuring the longevity and performance of these components. Erosion and corrosion resistance is another key consideration. Refractory linings can be eroded and chemically attacked by molten metal, slag, and other corrosive substances. Opting for monolithic refractories with excellent erosion and corrosion resistance can extend the service life of ladles and tundishes, reducing the need for maintenance and minimizing downtime. Mechanical strength is also important, as ladles and tundishes are frequently handled, transported, and subjected to mechanical stresses. Monolithic refractories with adequate mechanical strength can withstand these forces without cracking or breaking, thereby maintaining the structural integrity of these components. The method of applying monolithic refractories is another factor to think about. Depending on the size and shape of the ladles and tundishes, as well as the available equipment and expertise, different application methods such as gunning, casting, ramming, or spraying may be used. It is important to ensure that the selected monolithic refractories are compatible with the chosen application method. The thermal conductivity of monolithic refractories can impact heat transfer in ladles and tundishes. Opting for refractories with low thermal conductivity can help minimize heat loss and improve energy efficiency. While performance and durability are crucial, it is also important to consider the cost-effectiveness of the chosen monolithic refractories. This includes factors such as the initial cost of the refractories, installation and maintenance costs, and the expected service life. Striking a balance between performance and cost can help optimize the overall investment in ladles and tundishes. Overall, the selection of monolithic refractories for ladles and tundishes involves a combination of factors, including temperature resistance, thermal shock resistance, erosion and corrosion resistance, mechanical strength, application method compatibility, thermal conductivity, and cost-effectiveness. By carefully evaluating these factors, it is possible to choose the most suitable monolithic refractories that meet the specific requirements of ladles and tundishes in metal casting processes.
- Q:What are the factors to consider when selecting monolithic refractories for specific applications?
- When selecting monolithic refractories for specific applications, several factors need to be considered. These include the operating temperature, chemical composition of the material being processed, mechanical stresses, thermal cycling, and the presence of any corrosive or erosive agents. Additionally, the refractory's thermal conductivity, porosity, density, and its ability to resist thermal shock and spalling are crucial factors to take into account. The availability and cost of the refractory material, as well as the installation and maintenance requirements, should also be considered during the selection process.
- Q:How do monolithic refractories perform in electric arc furnace roof applications?
- Monolithic refractories are highly effective in electric arc furnace (EAF) roof applications due to their unique properties and characteristics. These refractories, which are composed of a single, solid material, offer several advantages in this specific application. Firstly, monolithic refractories provide excellent thermal insulation, which is crucial in EAF roof applications. The intense heat generated in the furnace can cause structural damage to traditional brick refractories, but monolithic refractories have a higher resistance to thermal shock, reducing the risk of cracking and spalling. This allows them to maintain their integrity and insulation properties even in extreme temperature conditions. Moreover, monolithic refractories have high strength and abrasion resistance, ensuring their durability and longevity in EAF roof applications. The roof of an electric arc furnace is exposed to harsh conditions, including the impact of scrap materials and the erosive effect of molten metal and slag. Monolithic refractories are designed to withstand these challenges, offering superior resistance to mechanical wear and erosion. Another advantage of monolithic refractories is their ease of installation. Unlike traditional brick refractories, which require time-consuming and complex installation processes, monolithic refractories can be applied quickly and efficiently. They can be cast, gunned, or sprayed onto the roof surface, conforming to any shape or contour, thus reducing downtime during installation or repair. Furthermore, monolithic refractories provide increased energy efficiency in EAF roof applications. Their superior insulation properties minimize heat loss, resulting in reduced energy consumption and cost savings. This is particularly important for electric arc furnaces, as they rely on high temperatures to melt and process metals, and any heat loss can significantly impact the efficiency and productivity of the furnace. In conclusion, monolithic refractories are highly suitable for electric arc furnace roof applications due to their exceptional thermal insulation, strength, abrasion resistance, ease of installation, and energy efficiency. These refractories offer significant advantages over traditional brick refractories, ensuring optimal performance and prolonged service life in the demanding environment of an electric arc furnace.
- Q:How do monolithic refractories improve the efficiency of ladle and tundish preheating stations?
- Monolithic refractories play a crucial role in enhancing the efficiency of ladle and tundish preheating stations. These refractories are specifically designed to withstand high temperatures and thermal shocks, making them ideal for use in preheating applications. One key way in which monolithic refractories improve efficiency is by providing excellent heat insulation. These refractories have low thermal conductivity, meaning they minimize heat loss from the preheating station to the surroundings. As a result, more heat is retained within the ladle or tundish preheating station, leading to faster and more efficient heating of the vessel. Additionally, monolithic refractories offer superior heat retention properties. Once heated, these refractories have the ability to store and release heat gradually over time. This characteristic allows for a more consistent and controlled heating process in the ladle or tundish preheating station. By maintaining a stable temperature, the refractories ensure that the vessel is heated uniformly and prevent thermal shocks that could lead to cracking or other damage. Furthermore, monolithic refractories have excellent resistance to chemical reactions and erosion caused by molten metals and slag. Ladles and tundishes are often exposed to corrosive environments, and the use of monolithic refractories helps to protect against degradation and extend the lifespan of the preheating station. This durability reduces the need for frequent maintenance and replacement, leading to cost savings and improved overall efficiency. In summary, monolithic refractories improve the efficiency of ladle and tundish preheating stations by providing excellent heat insulation, heat retention, and resistance to chemical reactions. These properties result in faster and more uniform heating, reduced heat loss, and increased durability of the preheating station. Ultimately, these benefits contribute to improved productivity and cost-effectiveness in the steelmaking process.
- Q:What are the challenges in recycling and disposing of monolithic refractories?
- In order to minimize the environmental impact and maximize resource efficiency, several challenges must be overcome when recycling and disposing of monolithic refractories. One significant challenge lies in the handling and transportation of these refractories due to their heavy and bulky nature. Since they are commonly used in high-temperature applications, dismantling and removing them from equipment can be difficult. The weight and size of monolithic refractories make transportation to recycling or disposal facilities a challenge, requiring specialized equipment and infrastructure. Another obstacle is the heterogeneity of monolithic refractories, which often contain various types of refractory materials, binders, and additives. This complexity makes it challenging to separate and categorize the different components for effective recycling. The lack of standardized recycling processes for monolithic refractories further complicates recycling efforts. Moreover, the high melting points of refractory materials used in monolithic refractories make conventional recycling methods, such as melting and remolding, energy-intensive and costly. It is necessary to explore and optimize alternative recycling methods like thermal treatment or chemical processing to make the recycling process more economically and environmentally viable. Proper disposal of monolithic refractories is also a challenge. If not recycled, these materials often end up in landfills, occupying valuable space and potentially releasing harmful substances into the environment. Landfilling refractories can also pose contamination risks if not managed correctly or if hazardous additives are present. To address these challenges, it is crucial to invest in research and development to create more efficient and cost-effective recycling technologies for monolithic refractories. Collaboration between manufacturers, recycling facilities, and regulatory bodies is also essential to establish guidelines and standards for recycling and disposal. Additionally, educating industries and end-users about the importance of recycling and the availability of recycling options can help increase the demand and feasibility of recycling monolithic refractories.
- Q:In iron and steel industry, the main raw materials for blast furnace ironmaking are iron ore, coke and limestone. What's the use of limestone here?
- At high temperatures, limestone (calcium carbonate) breaks down into lime (calcium oxide, which is useful) and carbon dioxide.
- Q:How do monolithic refractories withstand the chemical attacks in aluminum furnace applications?
- Monolithic refractories withstand chemical attacks in aluminum furnace applications due to their high resistance to oxidation and corrosion. They are specifically designed to withstand the harsh environment of aluminum processing, which involves exposure to molten aluminum, alkaline fluxes, and other corrosive chemicals. Monolithic refractories have excellent chemical stability, low porosity, and high thermal shock resistance, which allows them to maintain their structural integrity and protect the furnace lining from chemical erosion. Additionally, these refractories often contain additives such as antioxidants and anti-corrosion agents that further enhance their resistance to chemical attacks in aluminum furnace applications.
- Q:What are the factors affecting the thermal conductivity of monolithic refractories?
- There are several factors that can affect the thermal conductivity of monolithic refractories. 1. Composition: The chemical composition of the refractory material plays a significant role in determining its thermal conductivity. Different types of refractories have different thermal conductivities based on the types and amounts of raw materials used. For example, refractories with a higher content of insulating materials, such as alumina or silica, tend to have lower thermal conductivities. 2. Porosity: The porosity of the refractory material also affects its thermal conductivity. Higher porosity means there are more air or gas-filled voids within the material, which can act as thermal insulators. Therefore, refractories with higher porosity tend to have lower thermal conductivities. 3. Density: The density of the refractory material is another important factor. Higher density materials usually have higher thermal conductivities, as the particles are packed more closely together, allowing for better heat transfer. 4. Grain size: The size of the grains in the refractory material can impact thermal conductivity. Smaller grain sizes result in higher contact points between particles, facilitating better heat transfer. Therefore, refractories with smaller grain sizes typically have higher thermal conductivities. 5. Temperature: The temperature at which the refractory material operates can also affect its thermal conductivity. Some materials may exhibit changes in thermal conductivity at different temperature ranges. For instance, certain refractories may have lower thermal conductivities at low temperatures but higher conductivities at high temperatures due to changes in their crystal structure. 6. Moisture content: The presence of moisture or water in the refractory material can significantly decrease its thermal conductivity. Water has a relatively low thermal conductivity, so even a small amount of moisture can act as an insulating barrier within the material. 7. Microstructure: The microstructure of the refractory material, including the arrangement and orientation of its grains, can affect thermal conductivity. A well-aligned microstructure with good interconnectivity between the grains can enhance heat transfer, resulting in higher thermal conductivity. Overall, the thermal conductivity of monolithic refractories is influenced by a combination of factors, including composition, porosity, density, grain size, temperature, moisture content, and microstructure. Understanding and controlling these factors is crucial for optimizing the thermal performance of monolithic refractories in various high-temperature applications.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Portlant Cement Castable For Fireplace and Industrial Furnace
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 kg
- Supply Capability:
- 3000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
New products
Hot products
Related keywords
