Quality safety Silicon Metal/metal silicon 553 grade
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t
- Supply Capability:
- 1000 m.t/month
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Product Description
Silicon metal is very rich in the earth's crust, rank only second to oxygen. Silicon metal can be divided into many kinds, including ferro silicon ,simn etc.Its main element is si whose content is about 98% and its impurities is Al, Fe, Ca etc. The additional product of silicon metal includes silica fume, edge leather, black silicon etc.Silica fume is widely used in the fireproofing and concrete industry
Applications of silicon metal
(1)Silicon metal can be used to make silicon crystals, silicone rubber , silicone oil etc.
(2)Silicon metal can be used in the aluminum alloy industry.
(3)Silicon metal can also be used as the basic raw material in the chemical industry.
(4)Silicon metal can make high purity semiconductor.
(5)Automobile industries use aluminum that requires a quite large industrial silicon , so the country's auto industry development has a direct effect on industrial silicon market.
(6)Silicon metal can replace pure aluminium in steelmaking.
(7)A large proportion of silicon metal will be applied in the chemical industry.
- Q: What are the common failure modes of monolithic refractories in iron and steel applications?
- The common failure modes of monolithic refractories in iron and steel applications include thermal spalling, erosion, chemical attack, and mechanical damage. Thermal spalling occurs when the refractories cannot withstand the extreme temperature changes, leading to cracking and flaking. Erosion occurs due to the abrasive nature of molten metal or slag, causing the refractory material to wear away. Chemical attack happens when the refractory reacts with the corrosive components of the molten metal or slag, leading to degradation. Mechanical damage can occur from mechanical stress, such as thermal expansion or contraction, causing cracks or fractures in the refractory material.
- Q: What are the quality control measures for monolithic refractories in the iron and steel industry?
- The quality control measures for monolithic refractories in the iron and steel industry include strict material selection, thorough testing of raw materials, regular inspection and maintenance of refractory linings, and continuous monitoring of performance during operation. Additionally, adherence to industry standards and specifications, implementation of quality management systems, and collaboration with suppliers and customers to address any quality issues are also important measures in ensuring the quality of monolithic refractories in the iron and steel industry.
- Q: What are the recent developments in monolithic refractories for the iron and steel industry?
- In recent years, there have been several significant developments in monolithic refractories for the iron and steel industry. Monolithic refractories play a crucial role in the production of iron and steel, as they provide high-temperature resistance and insulation to the lining of furnaces and other equipment used in the industry. One of the key advancements in monolithic refractories is the development of advanced alumina-based castables. These castables offer superior thermal shock resistance, high strength, and excellent corrosion resistance, making them ideal for use in the iron and steel industry. They can withstand extreme temperatures and mechanical stresses, ensuring longer service life and reduced downtime for maintenance. Another notable development is the introduction of low-cement and ultra-low cement castables. These castables have a reduced cement content compared to traditional castables, resulting in improved refractory properties. They offer higher hot strength, reduced porosity, and enhanced resistance to slag and metal corrosion. This allows for increased productivity and efficiency in iron and steel manufacturing processes. Furthermore, there have been advancements in the use of insulating refractories in the iron and steel industry. Insulating castables and bricks are now being used to line ladles, tundishes, and other equipment, providing better insulation and energy efficiency. These materials help to reduce heat loss and improve thermal efficiency, resulting in cost savings and reduced environmental impact. Additionally, the development of monolithic refractories with improved installation techniques has been a significant development. Traditional brick lining methods require skilled labor and a longer installation time. However, with the introduction of gunning and shotcreting techniques, the installation process has become 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, the recent developments in monolithic refractories for the iron and steel industry have focused on improving thermal shock resistance, corrosion resistance, insulation properties, and installation techniques. These advancements have resulted in increased efficiency, reduced downtime, and improved productivity in the iron and steel manufacturing processes.
- Q: What are the advantages of using castables in the iron and steel industry?
- Using castables in the iron and steel industry offers several benefits. Firstly, castables have superb thermal insulation properties, which effectively maintain the temperature of the molten metal. This prevents heat loss and ensures efficient energy usage, resulting in cost savings. Additionally, castables exhibit exceptional refractory strength, enabling them to withstand extreme temperatures and harsh operating conditions. This durability prolongs the lifespan of the refractory lining, reducing the need for frequent repairs or replacements. Castables also offer versatility as they can be easily molded into various shapes and sizes, making them highly adaptable for different applications in the iron and steel industry. This flexibility allows for customization in designing the refractory lining to meet specific requirements. Furthermore, castables can be installed quickly and effortlessly, minimizing downtime during installation or maintenance. Their monolithic lining capability eliminates the need for individual bricks or tiles, saving time and effort. Castables are also resistant to chemical attacks from molten metal, slag, and other corrosive substances commonly encountered in the iron and steel industry. This ensures the integrity of the refractory lining and prevents contamination of the metal being processed. Moreover, castables typically require fewer raw materials compared to traditional refractory bricks or tiles, leading to cost savings in terms of material procurement, transportation, and storage. This makes castables a cost-effective solution. Lastly, the use of castables in the iron and steel industry enhances production efficiency by providing a smooth and uniform lining. This facilitates improved heat transfer, metal flow, and reduced downtime, ultimately increasing overall productivity. In conclusion, the advantages of using castables in the iron and steel industry encompass excellent thermal insulation, high refractory strength, versatility, easy installation, resistance to chemical attack, reduced material costs, and enhanced production efficiency. These benefits establish castables as the preferred choice for lining furnaces, ladles, tundishes, and other equipment in the iron and steel manufacturing process.
- Q: How do monolithic refractories contribute to the overall productivity of iron and steel production?
- Monolithic refractories play a crucial role in enhancing the overall productivity of iron and steel production. These refractories are widely used in various applications such as furnaces, ladles, and tundishes, offering excellent thermal stability and resistance to chemical attacks. By providing a durable lining, monolithic refractories ensure longer campaigns and reduced downtime for repairs and maintenance. This leads to increased production efficiency, reduced energy consumption, and improved product quality, ultimately contributing to the overall productivity of iron and steel production.
- Q: How are monolithic refractories used in the repair and maintenance of ladle and tundish linings?
- Monolithic refractories, widely utilized in the steel industry, are a specific type of refractory material employed for the repair and maintenance of ladle and tundish linings. These linings, integral to the transportation and treatment of molten metal during the steelmaking process, can deteriorate over time when exposed to high temperatures and corrosive conditions. This deterioration poses various issues, including heat loss, contamination of the molten metal, and reduced lifespan of the refractory lining. To tackle these problems, monolithic refractories serve as effective repair and maintenance materials. Typically composed of different refractory aggregates, binders, and additives, monolithic refractories are available in various forms like castables, gunning mixes, and ramming mixes. These materials are designed for easy application and shaping, conforming to the specific geometry and dimensions of the ladle or tundish lining. During the repair process, damaged sections of the lining are removed, and monolithic refractories are then applied. Castables can be poured and vibrated into place, while gunning mixes can be sprayed using a high-pressure gunning machine. On the other hand, ramming mixes are manually compacted into the lining using a ramming tool. Monolithic refractories offer several advantages when it comes to the repair and maintenance of ladle and tundish linings. Firstly, their flexibility ensures easy installation and shaping, resulting in a snug fit to the lining. This maximizes the effectiveness of the refractory lining in preventing heat loss and maintaining the integrity of the ladle or tundish. Secondly, monolithic refractories exhibit exceptional resistance to thermal shock and chemical attack. This durability enables them to withstand the harsh conditions encountered in ladles and tundishes. Even when subjected to repeated heating and cooling cycles, they remain intact without cracking or spalling, providing long-lasting protection to the lining. Lastly, monolithic refractories can be easily repaired and replaced as needed. The application and removal processes are relatively straightforward, facilitating efficient maintenance of ladle and tundish linings. This minimizes downtime and ensures the overall productivity of the steelmaking process. In conclusion, monolithic refractories play a vital role in the repair and maintenance of ladle and tundish linings. Their easy application, exceptional resistance to thermal shock and chemical attack, and ease of repair make them ideal materials for extending the lifespan and optimizing the performance of these linings in the steel industry.
- Q: How do monolithic refractories perform in blast furnace taphole applications?
- Monolithic refractories perform excellently in blast furnace taphole applications due to their high thermal resistance, mechanical strength, and resistance to chemical attack. They are able to withstand the extreme temperatures and abrasive conditions of the blast furnace discharge, ensuring reliable and efficient operation of the taphole. Additionally, monolithic refractories offer easy installation and maintenance, reducing downtime and improving overall productivity in the blast furnace.
- 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 contribute to the reduction of emissions in iron and steel plants?
- Monolithic refractories play a crucial role in reducing emissions in iron and steel plants by providing various benefits and solutions to the environmental challenges faced by these industries. Firstly, monolithic refractories are used to line the high-temperature zones of furnaces, such as blast furnaces and electric arc furnaces, that are integral to the iron and steel production processes. These refractories have excellent thermal insulation properties, which help to minimize heat loss and improve energy efficiency. By reducing heat loss, less fuel is required to maintain the desired temperature, resulting in lower energy consumption and subsequently lower emissions. Furthermore, monolithic refractories also contribute to emissions reduction by enhancing the combustion process. They are designed to resist thermal shock and withstand extreme temperatures, ensuring that the furnaces operate at optimal conditions. This, in turn, leads to more efficient combustion of fuels and raw materials, reducing the release of harmful gases and pollutants into the atmosphere. In addition to their thermal properties, monolithic refractories also possess excellent resistance to chemical attacks and corrosion. This is particularly important in iron and steel plants, where aggressive substances such as molten metal, slag, and gases are present. By providing a protective lining, these refractories prevent the degradation of furnace walls and other equipment, reducing the risk of leaks and emissions. Moreover, monolithic refractories are often used in the construction of pollution control devices, such as flue gas desulfurization systems and baghouses. These systems are designed to capture and remove pollutants from the flue gases generated during iron and steel production. The use of refractories in these applications ensures the durability and longevity of these systems, allowing them to operate efficiently and effectively in reducing emissions. Overall, monolithic refractories contribute significantly to emissions reduction in iron and steel plants through improved energy efficiency, enhanced combustion, corrosion resistance, and support for pollution control systems. By implementing these refractories, the industry can minimize its environmental footprint and move towards more sustainable and responsible production processes.
- Q: How do monolithic refractories improve the durability of furnace linings?
- Monolithic refractories play a crucial role in enhancing the durability of furnace linings due to their unique characteristics and properties. These materials are composed of a single, homogeneous structure, unlike traditional brick refractories that consist of individual bricks or tiles. One of the key ways in which monolithic refractories improve the durability of furnace linings is through their ability to eliminate joints and seams. In traditional brick refractories, the joints between the bricks can be weak points where cracks and failures can occur due to thermal expansion and contraction. Monolithic refractories, on the other hand, are poured or gunned into place, ensuring a seamless lining. This seamless structure minimizes the potential for cracks, making the lining more durable and less susceptible to thermal stress. Monolithic refractories also have excellent thermal shock resistance, which is crucial for furnace linings that are subjected to rapid and extreme temperature changes. The monolithic structure allows for better heat transfer and distribution, preventing localized hotspots that can lead to thermal shock and lining failure. This enhanced thermal shock resistance ensures that the furnace lining can withstand the repeated heating and cooling cycles without significant damage, hence improving its overall durability. Additionally, monolithic refractories offer superior erosion and corrosion resistance. Furnace linings are often exposed to harsh chemicals, molten metals, and abrasive materials, which can cause erosion and corrosion over time. Monolithic refractories are designed to resist these corrosive agents, protecting the lining from chemical attacks and physical wear. This resistance ensures a longer lifespan for the furnace lining and reduces the need for frequent repairs or replacements. Furthermore, monolithic refractories provide better insulation properties compared to traditional brick refractories. They have lower thermal conductivity, meaning that heat transfer through the lining is minimized. This insulation property helps to maintain a more stable and uniform temperature within the furnace, reducing thermal stress on the lining and contributing to its longevity. In summary, monolithic refractories improve the durability of furnace linings by eliminating joints and seams, enhancing thermal shock resistance, providing erosion and corrosion resistance, and offering superior insulation properties. These materials are specifically designed to withstand the extreme conditions inside furnaces, ensuring a longer lifespan for the lining and reducing maintenance costs in the long run.
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Quality safety Silicon Metal/metal silicon 553 grade
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t
- Supply Capability:
- 1000 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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