$Monolithic Refractories for Iron and Steel Industry:High Alumina Raw Bauxite Products System 1$

$Monolithic Refractories for Iron and Steel Industry:High Alumina Raw Bauxite Products$

$Monolithic Refractories for Iron and Steel Industry:High Alumina Raw Bauxite Products System 1$

Monolithic Refractories for Iron and Steel Industry:High Alumina Raw Bauxite Products

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 400 m.t.

Supply Capability:: 5000 m.t./month

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Specifications

raw bauxite
1. Producing for 20 years.
2. refractory and abrasive
3. Competitive price
4. Al2O3 95%min

It is made by electric arc furnace melting under high temperature of 1100 degrees to 1400 degrees with the raw material of bauxite, anthracite and scrap iron. The main ingredient is AL2O3. With its high micro hardness of 1800-2200kg/mm2, it has many uses like abrasives and refractory. This kind of product has two types P sand and F sand with different uses。

Application:

1. Be used in polishing, grinding.

2. Suitablefor making grinding wheel, cutting, wheel, grinding disc.

3. Its high hardness and abrasion adapt to abrasive tools.

4. For advanced refractory materials

Application	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True density	a-Al2O3	D50	Particle size	specific surface
Application	Unit	≥ %	≤%	≤%	≤%	≤%	≤%	g/m3	≥ %	um	um	m2/g
Dry pressing/CIP series	TCH-101	99.7	0.08	0.02	0.018	0.006	0.15	3.96	96	75	2--3	0.6-0.8
	TCH-102	99.6	0.1	0.02	0.018	0.006	0.15	3.95	95	75	2--3	0.6-0.8
	TCH-103	99.5	0.2	0.02	0.018	0.006	0.2	3.95	95	75	2--3	0.8-1.0
	TCH-105	99.4	0.3	0.02	0.018	0.006	0.2	3.93	93	75	2--3	0.8-1.0
Injection moulding	TCH-213	99.5	0.15	0.02	0.018	0.006	0.15	3.95	95	75	3-4	0.5-0.6
Injection moulding	TCH-211	99.7	0.1	0.02	0.018	0.006	0.1	3.96	96	75	3-5

Q: How are monolithic refractories different from traditional brick refractories?: Monolithic refractories differ from traditional brick refractories in several ways. Firstly, monolithic refractories are made from a single, homogeneous material, while traditional brick refractories are made from individual bricks that are assembled together. This difference in construction allows monolithic refractories to have a more uniform and consistent structure, which can enhance their performance and durability. Secondly, monolithic refractories are typically easier to install compared to traditional brick refractories. Since they are made from a single material, they can be poured or sprayed into place, eliminating the need for precise bricklaying and mortar application. This ease of installation saves time and labor during construction or repair projects. Additionally, monolithic refractories often have superior thermal shock resistance compared to traditional brick refractories. The homogeneous structure of monolithic refractories allows them to expand and contract more uniformly under thermal stress, reducing the risk of cracking and failure. This makes monolithic refractories more suitable for applications where rapid temperature changes occur, such as in furnaces or kilns. Furthermore, monolithic refractories can offer better resistance to chemical attacks and erosion. Traditional brick refractories may have joints and gaps between bricks, which can become vulnerable to chemical reactions or erosion over time. Monolithic refractories, on the other hand, have a seamless structure that minimizes the risk of chemical penetration and erosion, enhancing their longevity and performance. Overall, monolithic refractories offer advantages in terms of uniformity, ease of installation, thermal shock resistance, and chemical resistance compared to traditional brick refractories. These differences make monolithic refractories a preferred choice for many industrial applications where high temperatures and harsh environments are present.

Q: How do monolithic refractories contribute to the overall efficiency of ladle transfer processes?: The efficiency of ladle transfer processes is greatly improved by the use of monolithic refractories. These refractories are made from a single, uniform material, making them easy to install and maintain. This feature reduces downtime during ladle transfers, ultimately increasing productivity. One of the ways in which monolithic refractories enhance efficiency is through their high thermal conductivity. Ladle transfers involve the movement of molten metal, which generates a significant amount of heat. Monolithic refractories have exceptional heat resistance, allowing them to withstand the extreme temperatures of the molten metal. This property prevents refractory failure and extends the lifespan of the ladle, resulting in more efficient and uninterrupted ladle transfer operations. Furthermore, monolithic refractories provide superior corrosion resistance. The corrosive nature of molten metal can cause considerable damage to ladles over time. However, monolithic refractories are specifically designed to withstand chemical attacks from molten metal, preventing the degradation of the ladle's integrity. Consequently, ladles lined with monolithic refractories have a longer lifespan and require less frequent replacement, leading to cost savings and improved efficiency. Another factor contributing to the efficiency of ladle transfer processes is the ability of monolithic refractories to conform to complex shapes and designs. Ladles come in various sizes and shapes, and monolithic refractories can be customized to perfectly fit the dimensions of the ladle. This precise fit minimizes heat loss and maximizes energy efficiency during ladle transfers. Additionally, monolithic refractories offer excellent mechanical strength and resistance to thermal shock. Ladle transfer processes involve the handling and movement of ladles, subjecting refractories to mechanical stresses. The exceptional mechanical properties of monolithic refractories ensure their durability and prevent cracking or spalling, reducing the risk of refractory failure and enhancing the efficiency of ladle transfer operations. In conclusion, the efficiency of ladle transfer processes is improved by the use of monolithic refractories due to their high thermal conductivity, corrosion resistance, precise lining fit, and excellent mechanical properties. These refractories enhance the durability of ladles, reduce downtime, and improve energy efficiency, resulting in cost savings and increased productivity in the steelmaking industry.

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 prevent heat loss through convection?: Monolithic refractories prevent heat loss through convection by their unique composition and structure. Unlike traditional refractory bricks, which are often porous and have gaps between them, monolithic refractories are made of a single, seamless structure. This eliminates any potential pathways for hot gases or air to circulate and carry away the heat through convection. Additionally, monolithic refractories are often dense and have a high thermal conductivity, which means they are excellent conductors of heat. This property allows them to quickly absorb and distribute the heat, minimizing the temperature difference between the hot surface and the surrounding environment. By reducing the temperature gradient, monolithic refractories minimize the driving force for convection, thereby reducing heat loss through this mechanism. Furthermore, monolithic refractories can be applied as a continuous lining, conforming to the shape of the equipment or furnace being protected. This seamless application eliminates joints or gaps where hot gases or air could escape and carry away heat. This uniform, uninterrupted lining further reduces the potential for convection heat loss. Overall, monolithic refractories are designed to create a barrier that prevents the movement of hot gases or air, thereby minimizing heat loss through convection. Their dense composition, high thermal conductivity, and seamless application all contribute to their effectiveness in preventing heat loss through this mechanism.

Q: How do monolithic refractories withstand thermal shock and mechanical stress?: Monolithic refractories are engineered to withstand high temperatures and harsh working conditions, making them ideal for applications that involve thermal shock and mechanical stress. Firstly, monolithic refractories are designed with a high thermal conductivity, which allows them to quickly absorb and distribute heat. This property helps to minimize thermal gradients within the material, reducing the risk of thermal shock. When exposed to sudden temperature changes, the refractory material expands and contracts uniformly, preventing cracks and fractures from forming. Secondly, these refractories have excellent thermal shock resistance due to their low thermal expansion coefficient. This means that they have a minimal tendency to expand or contract when subjected to temperature fluctuations. As a result, they can withstand rapid changes in temperature without experiencing significant structural damage. Furthermore, monolithic refractories possess high mechanical strength, enabling them to withstand various types of mechanical stress. They are formulated with carefully selected raw materials and additives that enhance their load-bearing capacity and resistance to mechanical forces. This enables them to withstand the weight of the surrounding materials, as well as any external forces or vibrations that may be present in the application environment. Moreover, monolithic refractories have good structural integrity and stability, thanks to their dense and compact microstructure. These materials are typically formed by a combination of fine powders, binders, and additives, which are mixed and shaped to create a solid, cohesive structure. This structure provides resistance against mechanical stress, preventing the refractories from crumbling or disintegrating under pressure. In summary, monolithic refractories withstand thermal shock and mechanical stress through their high thermal conductivity, low thermal expansion coefficient, robust mechanical strength, and structural integrity. These properties make them reliable and durable materials for applications requiring resistance to extreme temperatures and challenging operating conditions.

Q: What are the main types of monolithic refractories used in the iron and steel industry?: The main types of monolithic refractories used in the iron and steel industry are castables, ramming materials, gunning materials, and plastic refractories. Castables are a type of refractory material that can be poured or cast into various shapes and sizes. They are made from a mixture of refractory aggregates, binders, and additives. Castables are commonly used in areas such as ladles, tundishes, and blast furnaces due to their excellent thermal shock resistance and high strength. Ramming materials, also known as ramming mixes, are used for lining the bottoms of furnaces and other high-temperature applications. They are typically composed of refractory aggregates and a bonding agent, which allows them to be compacted or rammed into place. Ramming materials offer good resistance to thermal cycling and can withstand high temperatures. Gunning materials are designed to be sprayed or gunned onto the refractory surface using a high-pressure gunning machine. They are used for repairing and patching refractory linings that have been damaged or eroded. Gunning materials are usually made from a mixture of refractory aggregates, binders, and additives. They provide excellent adhesion and are commonly used in applications such as kilns, converters, and electric arc furnaces. Plastic refractories are a type of monolithic refractory that can be molded or formed into various shapes. They are made from a mixture of refractory aggregates, plasticizers, and binders. Plastic refractories are used for lining various equipment and structures in the iron and steel industry, including boilers, incinerators, and chimneys. They offer good resistance to thermal shock and can be easily installed by hand or with a trowel. Overall, these types of monolithic refractories play a crucial role in the iron and steel industry by providing high-temperature resistance, thermal insulation, and durability to the various equipment and structures used in the production process.

Q: How do monolithic refractories help in enhancing the durability of iron and steel equipment?: Monolithic refractories play a vital role in increasing the durability of iron and steel equipment. They offer high resistance to extreme temperatures, chemical attack, and mechanical wear. Unlike traditional brick or castable refractories, monolithic refractories are made from a single, uniform material, making them stronger and more reliable. The ability of monolithic refractories to withstand high temperatures is crucial in iron and steel manufacturing processes. They can endure temperatures above 3000°F (1650°C) without losing their structural integrity, preventing premature equipment failure. This thermal resistance helps maintain the shape and structure of the refractory lining, ensuring efficient and consistent equipment performance. In addition to their heat resistance, monolithic refractories also possess excellent chemical resistance. This is important because iron and steel equipment often comes into contact with corrosive substances like molten metal, slag, and various chemicals. The ability of monolithic refractories to resist chemical attack prevents degradation and erosion of the equipment's lining, extending its lifespan. Moreover, monolithic refractories provide exceptional mechanical strength and wear resistance. The equipment is constantly exposed to abrasive materials, physical impacts, and mechanical stress, which can cause severe damage. However, the dense and compact structure of monolithic refractories makes them highly resistant to mechanical wear, minimizing the risk of erosion and spalling. The flexibility and versatility of monolithic refractories further enhance the durability of iron and steel equipment. They can be easily molded, shaped, and installed in complex geometries, ensuring a tight and precise fit. This eliminates the formation of gaps or weak points, which could result in thermal or chemical leakage, reducing the risk of equipment failure. In conclusion, the use of monolithic refractories significantly improves the durability of iron and steel equipment. They offer exceptional resistance to high temperatures, chemical attack, and mechanical wear. By ensuring the longevity and reliability of the equipment, monolithic refractories enhance operational efficiency and cost-effectiveness in the iron and steel industry.

Q: How do monolithic refractories contribute to the overall efficiency of ladle cleaning operations?: Enhancing the overall efficiency of ladle cleaning operations is a crucial role played by monolithic refractories. Composed of a single, homogeneous structure, these refractory materials offer several key advantages that contribute to improved efficiency. To begin with, monolithic refractories possess exceptional thermal insulation properties. This means they can withstand high temperatures without cracking or deteriorating, thereby allowing for more efficient and effective ladle cleaning operations. By consistently maintaining a specific temperature, these refractories minimize heat loss and ensure uninterrupted and timely completion of the cleaning process. Furthermore, monolithic refractories exhibit high resistance to chemical attacks. In steelmaking processes, ladles often come into contact with aggressive molten metals and slag that can erode and corrode the refractory lining. However, monolithic refractories are designed specifically to endure these harsh conditions, providing a longer service life and reducing the need for frequent repairs or replacements. This not only saves time but also reduces the overall cost of ladle maintenance. In addition, monolithic refractories possess excellent flowability and workability. They can be easily shaped and installed in the ladle lining, enabling quick and precise application. This ease of installation results in shorter downtime during ladle cleaning operations, as the refractory lining can be swiftly repaired or replaced. Moreover, the flowability of monolithic refractories ensures better coverage and adherence to the ladle's surface, leaving no gaps or weak points. This enhances the overall effectiveness of the cleaning process and prevents potential contamination or reactivity issues. In conclusion, monolithic refractories significantly contribute to the overall efficiency of ladle cleaning operations by providing exceptional thermal insulation, high resistance to chemical attacks, and easy workability. These properties lead to reduced downtime, increased durability, and cost savings, making monolithic refractories a vital component in optimizing ladle cleaning processes.

Q: How do monolithic refractories resist corrosion and erosion in the iron and steel industry?: Monolithic refractories in the iron and steel industry are designed to resist corrosion and erosion through a combination of their composition and application techniques. Firstly, the composition of monolithic refractories includes high-quality raw materials such as alumina, magnesia, and silica. These materials possess excellent resistance to corrosion and erosion. Alumina, for example, is highly resistant to chemical attack and can withstand high temperatures, making it ideal for protecting against the corrosive nature of the iron and steel industry. In addition to the choice of materials, the application techniques used in installing monolithic refractories also play a crucial role in their resistance to corrosion and erosion. Monolithic refractories are typically installed using various methods such as gunning, ramming, or casting. These techniques ensure a tight and seamless bond between the refractory and the steel structure, minimizing the chances of corrosion and erosion. Furthermore, monolithic refractories can be customized to suit the specific needs of different parts of the iron and steel industry. For example, areas exposed to molten metal require refractories with high thermal conductivity and excellent resistance to chemical attack. By tailoring the refractory to the specific application, it becomes more effective in resisting corrosion and erosion. Moreover, monolithic refractories are often designed with additives or binders that enhance their resistance to corrosion and erosion. These additives can provide additional protection against chemical attacks from molten metal or corrosive gases, making the refractory even more durable in harsh conditions. Overall, monolithic refractories resist corrosion and erosion in the iron and steel industry due to their composition, application techniques, customization, and the inclusion of additives. By combining these factors, monolithic refractories provide excellent protection to the steel structures, ensuring their longevity and efficiency in the challenging environments of the iron and steel industry.

Q: How do monolithic refractories contribute to reducing downtime in iron and steel plants?: The use of monolithic refractories plays a vital role in minimizing downtime in iron and steel plants. They have several key advantages over traditional brick refractories. To begin with, monolithic refractories are highly adaptable and can be easily shaped and installed. This allows for faster repairs and replacements. In contrast to brick refractories, which require time-consuming and labor-intensive processes like bricklaying and mortar application, monolithic materials can be directly applied in a castable or gunning form. This significantly reduces the time needed for repairs. Furthermore, monolithic refractories offer better thermal insulation and resistance to thermal shocks, which are common in iron and steel plants. This improved thermal performance helps to maintain stable operating temperatures and prevents sudden temperature fluctuations that can lead to refractory failure and subsequent downtime. By minimizing these thermal shocks, monolithic refractories increase the overall lifespan of the refractory lining, reducing the need for frequent repairs. Moreover, monolithic refractories provide superior chemical resistance compared to traditional brick refractories. Iron and steel plants often face aggressive chemical environments due to the presence of molten metal, slag, and other corrosive substances. Monolithic refractories are specifically designed to withstand these harsh conditions, preventing chemical attacks and erosion of the refractory lining. As a result, the occurrence of unscheduled shutdowns due to refractory degradation is significantly reduced. Lastly, monolithic refractories offer better dimensional stability, minimizing the risk of cracks and spalling caused by thermal cycling and mechanical stress. This increased resistance to wear and tear ensures that the refractory lining remains intact for a longer period, reducing the frequency of maintenance and enhancing the overall operational efficiency of the iron and steel plant. In conclusion, monolithic refractories contribute to downtime reduction in iron and steel plants by providing faster installation, improved thermal insulation, superior chemical resistance, and enhanced dimensional stability. Their versatility and performance advantages make them a reliable choice for maintaining an efficient and dependable refractory lining, ultimately reducing the frequency and duration of plant shutdowns.

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