Monolithic Refractories for Iron and Steel Industry - Mould Powders / Continuous Casting Powders and Granules
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
The Mould Powders are composed essentially of CaO-Al2O3-SiO2 with addition of fluxing agents and carbon.
Mold Powders have different functions:
Lubrication between the solidifying strand and mould wall
Control of heat transfer between the strand and mould
Thermal insulation of the liquid steel surface
Prevention of re-oxidation
Inclusion absorption
The above functions are controlled by the following properties:
Basicity
Viscosity
Melting speed
Melting behaviour
Crystallization
The choice of a mould powder depends on:
Mould size
Oscillation conditions
Casting speed
Steel grade
Technical Data:
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings.
- Q:How do monolithic refractories impact the quality of iron and steel products?
- The quality of iron and steel products is greatly influenced by monolithic refractories. These refractories are extensively used in the lining of furnaces and other high-temperature environments where iron and steel undergo processing. To begin with, monolithic refractories play a vital role in insulating and safeguarding the furnace lining from the intense heat generated during the manufacturing of iron and steel. By maintaining the desired temperature, these refractories ensure consistent and proper heating of the metal, thereby achieving the desired product quality. Inadequate insulation would result in significant heat loss, leading to inefficient energy consumption and inconsistent product quality. Additionally, monolithic refractories have a significant impact on the overall cleanliness of iron and steel. During the production process, impurities and slag are formed, which can contaminate the metal if not managed properly. Refractories with high resistance to slag penetration and corrosion prevent these impurities from infiltrating the metal, ensuring a cleaner and purer final product. Moreover, monolithic refractories also contribute to the mechanical strength and durability of the furnace lining. The lining must withstand the harsh conditions and repeated thermal shocks encountered during the production process of iron and steel. A sturdy and well-designed refractory lining can resist cracking, spalling, and erosion, thereby prolonging the furnace's lifespan and reducing 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. Manufacturers can optimize their production processes, enhance product quality, and improve overall operational efficiency by selecting the appropriate refractory material and maintaining it correctly.
- Q:What are the environmental considerations associated with monolithic refractories?
- The environmental considerations associated with monolithic refractories primarily revolve around their production and disposal. The manufacturing process of monolithic refractories involves high energy consumption and emissions, contributing to carbon dioxide and other greenhouse gas emissions. Additionally, some raw materials used in their production, such as silica, can have negative environmental impacts during extraction. In terms of disposal, monolithic refractories are typically difficult to recycle due to their composition and structure. As a result, they often end up in landfills, which can contribute to pollution and waste management issues. Overall, the environmental considerations associated with monolithic refractories highlight the need for sustainable manufacturing practices, improved waste management strategies, and the development of alternative refractory materials that have less negative environmental impact.
- Q:What are the challenges in recycling monolithic refractories?
- There are several challenges in recycling monolithic refractories that make the process more complex compared to other materials. Firstly, monolithic refractories are designed to withstand high temperatures and harsh conditions, making them highly resistant to wear and tear. This durability also poses a challenge in the recycling process, as it requires specialized techniques and equipment to break down and separate the refractory material. Secondly, monolithic refractories often contain various additives and binders, such as clay, cement, and other organic compounds, which can complicate the recycling process. These additives may need to be removed or separated from the refractory material before it can be recycled effectively. Additionally, monolithic refractories can be contaminated with other materials, such as metal oxides, slag, and impurities, during their service life. These contaminants can affect the quality and properties of the recycled refractory material, requiring thorough cleaning and purification processes. Moreover, the logistics involved in collecting and transporting monolithic refractories for recycling can be challenging. Refractories are often used in large quantities in industrial settings, and their removal and transportation can be costly and time-consuming. Furthermore, finding suitable recycling facilities with the necessary equipment and expertise to handle monolithic refractories can be limited, especially in certain regions. Lastly, economic factors play a role in the challenges of recycling monolithic refractories. The cost of recycling and processing the refractories may not always be financially viable compared to using virgin materials. This can discourage companies from investing in recycling programs and contribute to the lower demand for recycled refractory materials. Overall, the challenges in recycling monolithic refractories mainly stem from their durability, complex composition, contamination, logistics, and economic considerations. However, advancements in technology and increased awareness of the environmental benefits of recycling may help overcome these challenges and promote the sustainable reuse of refractory materials.
- Q:How do monolithic refractories perform in high-temperature environments?
- Monolithic refractories are highly effective in high-temperature environments due to their unique characteristics. These refractories are made from a single, continuous composition, as opposed to being composed of multiple bricks or tiles. This monolithic structure provides several advantages when it comes to performance in high-temperature conditions. Firstly, monolithic refractories have excellent thermal shock resistance. This means that they can withstand rapid temperature changes without cracking or spalling. High temperatures can cause significant stress on materials, but the monolithic structure allows for better expansion and contraction, reducing the risk of damage. Additionally, monolithic refractories have high resistance to chemical attack. In high-temperature environments, there are often aggressive chemical agents present that can corrode and erode traditional refractory materials. However, the monolithic composition is usually designed to be chemically inert, providing a protective barrier against these corrosive elements. Moreover, monolithic refractories offer superior strength and durability at high temperatures. Their single composition ensures a dense and compact structure, making them less prone to cracking or breaking under extreme thermal conditions. This strength allows them to maintain their integrity and performance even in the most demanding environments. Furthermore, monolithic refractories can be easily installed and repaired. Unlike traditional refractories, which require precise brick or tile placement, monolithic materials can be poured or sprayed into place, conforming to any shape or size. This flexibility makes installation faster and more cost-effective, reducing downtime and maintenance costs. Overall, monolithic refractories excel in high-temperature environments due to their thermal shock resistance, chemical inertness, durability, and ease of installation. Their ability to withstand extreme heat and harsh conditions makes them a preferred choice for industries such as steel, cement, glass, and petrochemicals, where high temperatures are common.
- Q:How do monolithic refractories withstand the chemical attacks in aluminum furnace applications?
- Monolithic refractories are able to withstand chemical attacks in aluminum furnace applications due to their unique composition and properties. These materials are designed to have high resistance to the corrosive effects of molten aluminum and other chemicals present in the furnace environment. Firstly, monolithic refractories are made from a combination of different minerals, such as alumina, silicon carbide, and zirconia, which have high melting points and excellent chemical stability. These minerals act as a barrier between the corrosive substances and the underlying structure, preventing them from penetrating or damaging the refractory lining. Additionally, monolithic refractories are typically formulated with high levels of alumina, which provides them with exceptional resistance to chemical attacks. Alumina has a strong affinity for oxygen, forming a stable oxide layer on the surface of the refractory material, acting as a protective barrier against corrosive elements. This oxide layer also helps to reduce the rate of penetration of corrosive substances into the refractory lining. Moreover, monolithic refractories are often designed with a dense microstructure and low porosity. This ensures that there are fewer pathways for the corrosive substances to penetrate and attack the refractory material. The denser the material, the less susceptible it is to chemical attacks. Furthermore, monolithic refractories can be further enhanced by adding additives or binders that improve their resistance to chemical attacks. These additives can include various organic or inorganic materials that provide additional protection against corrosive substances. Overall, monolithic refractories are specifically engineered to withstand the harsh conditions of aluminum furnace applications. Their unique composition, high alumina content, dense microstructure, and resistance-enhancing additives all contribute to their ability to withstand chemical attacks and prolong the lifespan of the refractory lining in aluminum furnaces.
- Q:How do monolithic refractories improve the lining of converters and refining vessels?
- Monolithic refractories play a crucial role in improving the lining of converters and refining vessels in several ways. Firstly, monolithic refractories offer excellent thermal insulation properties, which helps in maintaining the desired temperature inside the converters and refining vessels. This is important because high temperatures are required for various metallurgical processes to occur effectively. Secondly, monolithic refractories have high chemical resistance, which is vital in the harsh conditions of converters and refining vessels. These vessels often come into contact with corrosive materials and aggressive slags, and the monolithic refractories prevent the lining from deteriorating or being eroded by these substances. Moreover, monolithic refractories provide superior mechanical strength and stability, ensuring that the lining remains intact even under high operational stresses. This is especially important in converters and refining vessels where there are frequent mechanical movements and thermal expansions. Additionally, monolithic refractories offer easy installation and repair. Unlike traditional bricks, which require time-consuming and complex assembling, monolithic refractories can be applied as a single mass, reducing downtime during installation or repair. This feature saves both time and cost in maintaining the lining of converters and refining vessels. Overall, the use of monolithic refractories in the lining of converters and refining vessels significantly enhances their performance and longevity. They provide excellent thermal insulation, chemical resistance, mechanical strength, and ease of installation and repair, ensuring efficient and reliable operation in the metallurgical processes.
- Q:How do monolithic refractories resist corrosion and erosion in the iron and steel industry?
- Monolithic refractories resist corrosion and erosion in the iron and steel industry through their unique composition and properties. They are made of a single material structure, which eliminates joints and seams, reducing the likelihood of corrosion. Additionally, these refractories are designed to have high density and low porosity, making them resistant to penetration by corrosive elements. The refractories also have excellent thermal shock resistance and mechanical strength, which helps them withstand the harsh conditions of the iron and steel industry. Overall, the combination of their composition, density, and strength enables monolithic refractories to effectively resist corrosion and erosion in this industry.
- Q:How do monolithic refractories impact the quality and performance of iron and steel products?
- Monolithic refractories play a crucial role in influencing the quality and performance of iron and steel products. These refractories, which are composed of a single, solid structure, are used to line the furnaces and other high-temperature processing equipment in the iron and steel industry. The use of monolithic refractories ensures enhanced thermal insulation, corrosion resistance, and stability in the furnace lining. This results in improved energy efficiency and reduced heat loss during the manufacturing process. Additionally, monolithic refractories offer excellent resistance to thermal shock, meaning they can withstand rapid changes in temperature without cracking or deteriorating. The quality and performance of iron and steel products are greatly impacted by the consistent and uniform heat distribution provided by monolithic refractories. This leads to superior metallurgical properties and improved product quality, such as increased strength, enhanced durability, and better surface finish. Furthermore, monolithic refractories contribute to the overall productivity and cost-effectiveness of the iron and steel industry. Their high refractoriness and low maintenance requirements result in extended furnace lining life, reducing downtime and increasing production capacity. This, in turn, leads to higher yields and improved profitability for iron and steel manufacturers. In summary, monolithic refractories have a significant positive impact on the quality and performance of iron and steel products by providing efficient thermal insulation, superior heat distribution, and increased resistance to thermal shock. Their use enhances product quality, productivity, and cost-effectiveness in the iron and steel industry.
- 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 high thermal conductivity, excellent adhesion, good workability, high strength, resistance to thermal shock, and suitable setting and drying times. These properties ensure effective repairs and long-lasting performance in high-temperature applications.
- Q:How are monolithic refractories different from traditional refractory materials?
- Monolithic refractories differ from traditional refractory materials in that they are formed and applied in a single, continuous mass or form, while traditional refractory materials are typically shaped and fired before installation. This allows monolithic refractories to be more versatile, easier to install, and provide better thermal insulation and resistance to high temperatures. Additionally, monolithic refractories have better resistance to thermal shock and chemical attack, making them more suitable for various industrial applications.
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Monolithic Refractories for Iron and Steel Industry - Mould Powders / Continuous Casting Powders and Granules
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 100000 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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