• Monolithic Refractories for Iron and Steel Industry High Performance Ceramic Ball Bearing System 1
  • Monolithic Refractories for Iron and Steel Industry High Performance Ceramic Ball Bearing System 2
Monolithic Refractories for Iron and Steel Industry High Performance Ceramic Ball Bearing

Monolithic Refractories for Iron and Steel Industry High Performance Ceramic Ball Bearing

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Loading Port:
Qingdao
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Min Order Qty:
500 pc
Supply Capability:
2000 pc/month

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Specifications

Ceramic Ball Bearing
1,Low noise
2,Competitive Price
3,Quick Delivery,Good Service
4,ISO9001:2000

Brand

Bearings

Name

                                                  Ceramic Ball Bearing

Model

60 series, 62 series, 63 series, 67 series, 68 series and 69 series...  

           511 series and all kinds of thrust bearing.

            70 series, 72 series and 79 series.

Material

Ceramic

Certificate

ISO9001:2001

Precision

P0, P6, P5, P4

Bore Size:

2mm-100mm

Outside diameter

5mm-200mm

Clearance

C0,C1,C2,C3,C4,C5 etc.

Cage Type

PTFE, Nylon, PEEK

Seals Type

ZZ,RS, 2RS, R2, Z, 2Z, 2RZ etc

Features

low density, strong solidity, low friction coefficient, abrasion resistance, magnetic resistance, acid and alkali resistance, good resistance to wear and tear, electric insulation, self-lubrication.

Application

Electro plating, electro polishing ,Food processing, vacuum applications.Fiber processing, conveyor processing. Medical radiation, photo processing,Computer assembly, electronics applications, Medicine equipment, wet applications.

.Full ceramic bearing made with ZrO2 have excellent performance as special electrical and magnetism,wear and corrsion resistance,lubrication and maintance free when working,especiall high and low-temperature application,etc.,could be used in awful environment and specially condition,

2.The rings and balls: full ceramic materia:ZrO2

 

Q:What are the main challenges in designing the lining system with monolithic refractories?
Achieving proper installation is one of the primary difficulties in designing the lining system using monolithic refractories. Skilled labor and precise application techniques are required for the installation, which can involve casting, gunning, or shotcreting. The performance and longevity of the lining system can be compromised if any errors or inconsistencies occur during installation. Ensuring sufficient bonding between the monolithic refractories and the existing structure presents another challenge. To prevent delamination or separation of the refractory material from the underlying surface, proper adhesion is crucial. Factors like surface preparation, temperature differences, and mechanical stress can affect the strength of the bond, necessitating careful consideration during the design phase. The compatibility of monolithic refractories with different operating conditions also poses a challenge. Refractory materials are exposed to extreme temperatures, chemical reactions, and thermal cycling, which can result in degradation and failure. Designing a lining system that can withstand these conditions requires a thorough understanding of the refractory properties and the specific requirements of the application. Furthermore, selecting the appropriate monolithic refractory material for a given lining system is a significant challenge. There are various types of monolithic refractories available, each with its own advantages and disadvantages. When choosing the most suitable material for the application, factors like temperature range, chemical composition, thermal conductivity, abrasion resistance, and thermal shock resistance must be taken into account. Lastly, maintaining the integrity of the monolithic refractory lining system throughout its lifespan is challenging. Regular inspections, repairs, and maintenance are necessary to address issues such as cracks, erosion, or spalling. Developing a comprehensive maintenance plan and ensuring access to skilled personnel for repairs are crucial aspects of designing a successful lining system with monolithic refractories.
Q:How do monolithic refractories improve the efficiency of ladle and tundish preheaters?
Monolithic refractories play a crucial role in improving the efficiency of ladle and tundish preheaters through several key mechanisms. Firstly, monolithic refractories provide excellent thermal insulation properties. They have low thermal conductivity, which means they are effective in preventing heat loss from the preheaters. By minimizing heat loss, monolithic refractories ensure that the majority of the heat generated by the preheater is utilized for preheating the ladle or tundish. This results in reduced energy consumption and improved efficiency of the preheating process. Secondly, monolithic refractories offer high thermal shock resistance. Ladle and tundish preheaters are subjected to rapid and extreme temperature changes during operation. The ability of monolithic refractories to withstand these thermal shocks ensures their long-lasting performance, minimizing the need for frequent repairs or replacements. This not only enhances the efficiency of the preheaters but also reduces downtime and maintenance costs. Furthermore, monolithic refractories exhibit excellent mechanical strength and abrasion resistance. The ladle and tundish preheaters experience constant wear and tear due to the movement of ladles or tundishes, and the abrasive nature of the materials being processed. The use of monolithic refractories prevents erosion and damage to the preheaters, ensuring their longevity and optimal functioning. This, in turn, improves the overall efficiency of ladle and tundish preheaters by reducing downtime and maintenance requirements. Lastly, monolithic refractories offer design flexibility. They can be customized and shaped according to the specific requirements of the ladle or tundish preheaters. This allows for better fitting and insulation, maximizing heat transfer efficiency. The ability to tailor the refractory lining to the preheater's design also ensures uniform heating, minimizing temperature variations and improving overall operational efficiency. In summary, the use of monolithic refractories in ladle and tundish preheaters improves efficiency by providing superior thermal insulation, thermal shock resistance, mechanical strength, abrasion resistance, and design flexibility. These properties result in reduced heat loss, minimized downtime, enhanced durability, and optimized heat transfer, ultimately leading to improved efficiency of the preheating process.
Q:How are monolithic refractories different from traditional refractory bricks?
Monolithic refractories, unlike traditional refractory bricks, are composed of a single, homogeneous structure. This structural distinction leads to several differences between the two. Firstly, monolithic refractories provide greater flexibility and versatility in terms of shape and installation. They can be easily molded and shaped to fit specific applications and complex geometries, making them ideal for lining furnaces, kilns, and other high-temperature equipment. Secondly, monolithic refractories have superior thermal shock resistance compared to traditional refractory bricks. Their uniform structure allows for better heat distribution, minimizing the risk of thermal stress and cracking. This makes them suitable for applications with rapid temperature fluctuations or severe thermal cycling. Additionally, monolithic refractories often exhibit better overall performance in terms of strength, mechanical properties, and resistance to chemical attack. The absence of joints and seams eliminates potential weak points, resulting in a more durable and reliable lining. Moreover, the homogeneous structure provides better resistance to corrosive agents, ensuring prolonged service life in harsh environments. Lastly, monolithic refractories offer advantages in terms of installation and maintenance. Their monolithic nature simplifies the installation process, reducing labor and time requirements. Additionally, repairs and maintenance can be carried out more easily and cost-effectively compared to traditional refractory bricks, which may require the replacement of entire sections or bricks. In summary, monolithic refractories differ from traditional refractory bricks in structure, flexibility, thermal shock resistance, performance, and installation characteristics. These differences make monolithic refractories a preferred choice in many high-temperature applications, offering improved efficiency, durability, and ease of use.
Q:How do monolithic refractories perform in torpedo ladle applications?
Monolithic refractories are commonly used in torpedo ladle applications due to their excellent performance and durability. Torpedo ladles are used in the steelmaking process to transport and pour molten metal from the blast furnace to the steelmaking furnace. Monolithic refractories, also known as unshaped refractories, are made from a single material and can be applied as a single, cohesive mass. This makes them highly versatile and easy to install in the torpedo ladle. In torpedo ladle applications, monolithic refractories offer several advantages. First and foremost, they have high heat resistance, allowing them to withstand the extreme temperatures and thermal shocks experienced during the transfer and pouring of molten metal. This ensures that the refractories do not crack or fail under these harsh conditions. Additionally, monolithic refractories have excellent corrosion resistance properties, which is crucial in torpedo ladles where the molten metal can be highly corrosive. They are able to withstand the aggressive chemical environment and prevent chemical reactions that could lead to refractory deterioration. Moreover, monolithic refractories have good thermal insulation properties, reducing heat loss from the molten metal and promoting energy efficiency. This helps to maintain the desired temperature of the metal, ensuring optimal steelmaking conditions. Furthermore, monolithic refractories offer good mechanical strength and resistance to abrasion, making them highly suitable for torpedo ladle applications where the refractory lining is subjected to mechanical stress and wear. Overall, monolithic refractories perform exceptionally well in torpedo ladle applications due to their high heat resistance, corrosion resistance, thermal insulation properties, and mechanical strength. They are able to withstand the extreme conditions and provide a reliable and long-lasting lining for torpedo ladles in the steelmaking industry.
Q:What are the considerations for repairing and patching monolithic refractories?
When it comes to the repair and patching of monolithic refractories, there are several key factors that must be taken into consideration. First and foremost, it is crucial to thoroughly evaluate the extent and severity of the damage or deterioration. This assessment will help determine the most appropriate repair method and materials required. Minor cracks or small damages may only necessitate a simple patch or seal, whereas larger or more serious damage may require a complete replacement or a more extensive repair process. Secondly, the type of monolithic refractory material being utilized is a critical factor to consider. Different types of monolithic refractories possess varying properties and characteristics, such as thermal conductivity, chemical resistance, and mechanical strength. Therefore, it is vital to select a repair material that is compatible with the existing refractory material, ensuring proper bonding and optimal performance. Another factor to take into account is the operating conditions and environment in which the monolithic refractory is exposed. Variables such as temperature, pressure, chemical exposure, and abrasion can significantly impact the durability and longevity of the refractory material. Understanding these conditions will assist in selecting the appropriate repair materials and techniques that can withstand and perform well under these specific circumstances. Furthermore, it is imperative that the repair process is carried out by experienced personnel who possess knowledge about refractory materials and their installation. Improper repairs can lead to further damage or diminished performance, so it is essential to have skilled professionals who can execute the repair work correctly. Lastly, regular inspection and maintenance of the monolithic refractories are crucial in order to detect any potential damage or deterioration early on. Timely repairs and patching can prevent further deterioration and prolong the service life of the refractory material. In summary, the considerations for repairing and patching monolithic refractories involve evaluating the extent of damage, selecting compatible repair materials, understanding the operating conditions, employing skilled personnel, and conducting regular inspections and maintenance. By taking these factors into account, one can ensure effective repairs and the continued performance of monolithic refractories.
Q:What are the typical compositions of monolithic refractories?
Monolithic refractories are typically composed of a combination of aggregates, binders, and additives. Aggregates are materials such as alumina, magnesia, or silicon carbide that provide the main refractory properties. The choice of aggregate depends on the desired characteristics of the refractory, such as resistance to high temperatures, thermal shock, or chemical attack. Binders are used to bind the aggregates together and give the refractory its shape and strength. Common binders include clay, calcium aluminate cement, or colloidal silica. The binder also contributes to the overall performance of the refractory, influencing properties such as thermal conductivity and chemical resistance. Additives are often incorporated into the composition to improve specific properties or enhance the processing of the monolithic refractory. These additives can include plasticizers, which improve workability and allow for easier installation, or antioxidants, which can increase the refractory's resistance to oxidation. Overall, the specific composition of a monolithic refractory can vary depending on the intended application and the desired performance characteristics. Different combinations of aggregates, binders, and additives can be tailored to suit specific temperature ranges, chemical environments, or mechanical stresses.
Q:Can monolithic refractories be used for the lining of reheating furnaces and walking beam furnaces?
Yes, monolithic refractories can be used for the lining of reheating furnaces and walking beam furnaces. Monolithic refractories are a type of refractory material that is characterized by its ability to be cast or gunned into place, rather than being made up of individual bricks or precast shapes. This makes them highly versatile and adaptable for various furnace applications, including reheating furnaces and walking beam furnaces. Reheating furnaces are used to heat metal products to a specific temperature before further processing, such as rolling or forging. The lining of these furnaces is subjected to high temperatures, thermal cycling, and mechanical stress. Monolithic refractories are well-suited for these conditions, as they have excellent thermal shock resistance and can withstand rapid temperature changes without cracking or spalling. Walking beam furnaces are used in the steel industry for the continuous heating and transport of steel slabs or billets. These furnaces require a lining material that can withstand the abrasion and mechanical stress caused by the movement of the material. Monolithic refractories with high abrasion resistance and good mechanical strength are ideal for the lining of walking beam furnaces. Additionally, monolithic refractories offer other advantages such as easy installation, reduced downtime for repairs, and improved energy efficiency. They can be tailored to specific furnace designs and can be easily repaired or replaced when necessary. In conclusion, monolithic refractories are a suitable choice for the lining of reheating furnaces and walking beam furnaces due to their ability to withstand high temperatures, thermal cycling, mechanical stress, and abrasion. Their versatility, ease of installation, and repair make them a preferred option for these furnace applications.
Q:What is the role of monolithic refractories in blast furnaces?
Monolithic refractories play a crucial role in blast furnaces as they provide high-temperature resistance and excellent durability in the harsh operating conditions of the furnace. Blast furnaces are used in the ironmaking process to convert iron ore into molten iron, and monolithic refractories are essential for lining the interior of the furnace. One of the main functions of monolithic refractories in blast furnaces is to withstand extreme temperatures. The interior of a blast furnace can reach temperatures of up to 2,500 degrees Celsius, and monolithic refractories are designed to maintain their structural integrity and protect the furnace lining from thermal shock and erosion caused by the high temperatures. Monolithic refractories also provide insulation, preventing heat loss from the furnace. This is important as it helps to maintain the desired temperature for efficient iron production. By reducing heat loss, monolithic refractories contribute to energy savings and improved overall furnace performance. Another crucial role of monolithic refractories is to resist chemical attack from the molten iron and slag. The materials used in blast furnaces, such as iron ore, coke, and limestone, undergo various chemical reactions during the ironmaking process. Monolithic refractories are engineered to resist the corrosive effects of these reactions, ensuring a longer service life for the furnace lining. Furthermore, monolithic refractories offer excellent mechanical strength and resistance to abrasion. The materials being processed in a blast furnace, including iron ore and coke, can be abrasive. Monolithic refractories provide a protective barrier against the abrasive action, preventing damage to the furnace lining and extending its lifespan. In summary, the role of monolithic refractories in blast furnaces is to withstand extreme temperatures, provide insulation, resist chemical attack, and offer mechanical strength against abrasion. These properties contribute to the efficient operation and longevity of blast furnaces, enabling the production of molten iron for various industrial applications.
Q:How do monolithic refractories help in improving the quality of iron and steel products?
Monolithic refractories play a crucial role in improving the quality of iron and steel products in several ways. Firstly, these refractories are used to line the furnaces and other high-temperature equipment in the iron and steel industry. By providing a high level of thermal insulation, monolithic refractories help maintain a consistent and controlled temperature inside the furnace, ensuring efficient heating and melting of metals. The use of monolithic refractories also helps in reducing heat loss, thereby increasing the energy efficiency of the process. This not only saves costs but also minimizes the environmental impact associated with high energy consumption. Additionally, the insulation properties of monolithic refractories contribute to the reduction of thermal stresses within the furnace, preventing cracks and other structural damages that can affect the quality of the iron and steel products. Moreover, monolithic refractories possess excellent resistance to chemical reactions, corrosion, and erosion caused by molten metals, slag, and other harsh substances. This resistance helps to maintain the integrity of the refractory lining, preventing contamination of the iron and steel products by unwanted impurities. As a result, the quality of the final products, such as steel bars, sheets, or pipes, is improved, meeting the desired specifications and industry standards. Another advantage of monolithic refractories is their ability to provide a smooth and clean lining surface. This smoothness minimizes the adherence of slag, molten metal, and other by-products, reducing the risk of defects and ensuring a higher-quality finish for the iron and steel products. The clean lining surface also facilitates easy maintenance and cleaning, allowing for efficient and effective operations. In summary, monolithic refractories contribute significantly to the improvement of iron and steel product quality through their exceptional thermal insulation, resistance to chemical reactions, erosion, and corrosion, as well as their ability to provide a smooth and clean lining surface. By ensuring consistent temperatures, reducing heat loss, preventing structural damages, and maintaining a clean environment, monolithic refractories enhance the overall efficiency and integrity of the iron and steel production process, resulting in high-quality end products.
Q:How do monolithic refractories contribute to energy efficiency in the iron and steel industry?
Monolithic refractories play a crucial role in enhancing energy efficiency in the iron and steel industry through various mechanisms. Firstly, these materials have excellent thermal insulation properties, which helps in minimizing heat loss from the furnaces and other high-temperature equipment. By reducing heat loss, monolithic refractories ensure that the heat generated during the iron and steel production process is efficiently utilized, leading to significant energy savings. Furthermore, monolithic refractories exhibit superior thermal shock resistance, allowing them to withstand rapid temperature changes without cracking or spalling. This property is particularly important in the iron and steel industry, where the furnaces and other equipment are subjected to extreme temperature variations. By maintaining structural integrity even under such conditions, monolithic refractories prevent heat leakage and ensure that the energy input is effectively utilized. Moreover, these refractories also contribute to energy efficiency by reducing downtime and improving operational efficiency. Monolithic refractories are known for their easy installation and repair, resulting in shorter maintenance and repair cycles. This minimizes the downtime required for furnace maintenance, allowing for continuous operation and uninterrupted energy utilization. Additionally, the high durability of monolithic refractories reduces the need for frequent replacements, further enhancing energy efficiency by reducing material and energy waste associated with regular repairs. In conclusion, monolithic refractories significantly contribute to energy efficiency in the iron and steel industry by minimizing heat loss, withstanding thermal shocks, and reducing downtime. These materials ensure that the energy input in the production process is effectively utilized, resulting in substantial energy savings and improved operational efficiency.

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