Ladle Shroud long nozzle Chinese steelmaking
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 50000 set/month
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Description:
Steelmaking long nozzle /refractory materials/refractory nozzles
steelmaking zircon nozzle Zr content 94-95% , and nozzle with metal shell ,
can protect nozzle burst.the casting temperature normally at 1520-1580 ℃.
our zirconia cores temperature resistance up to 2000℃, density is 4.2g/cm3 .
Steelmaking tundish nozzle zircon core contact face made a little big than other,effectively protect the nozzle using life.
tundish zirconia nozzles materials is alumina-zirconia-carbon .composed by Alumina-Carbon Shell, and zirconia core.
Graphic illustration:
1.Argon injection structure depending on customer specifications.
2.Ceramic glaze layer to prevent the material oxidation effectively.
3.Ceramic fiber blanket to prevent heat lost during casting.
4.High quality Al-C materials having high corrosion and thermal shock resistance.
5.High quality Zr-based composite to provide high corrosion resistance at the slag line.
6.Non-graphite based mased materials to meet the requirements of producing low carbon steel,silicon steel and high purity steel.
Manufacturing and QC
1.Raw materials blending
Independent raw materials blending center to assurestrict control of materials quality.
2.Shaping
Isostatic pressing technoloty,with as 1000 tons of pressure to assure the homogenous bulk density of each product.
3.Machining
To assure the uniform shape,dimension and dimension tolerance of each product.
4.X-ray defect inspection
To assure all products supplied to our customers without any defect and to prevent the un-countable feconomic loss for our customers.
5.Physical and chemistry analysis
To assure all products meet the physical and chemistry characteristics.
6.Packaging
The world-class for packaging to assure the safety transportation.
- Q:How do monolithic refractories withstand thermal shock and mechanical stress?
- Monolithic refractories are designed to withstand thermal shock and mechanical stress due to their unique composition and installation process. These refractories are made from a single, continuous material, eliminating any joints or seams that could weaken the structure. Additionally, they have a high thermal conductivity which allows them to efficiently distribute and dissipate heat, minimizing thermal gradients that can cause cracking. Furthermore, the installation technique involves forming the refractory in situ, ensuring a tight fit and reducing the likelihood of mechanical failure. Overall, the combination of their composition, thermal conductivity, and installation method enables monolithic refractories to withstand thermal shock and mechanical stress effectively.
- Q:What are the considerations for selecting monolithic refractories for reheating furnaces?
- When selecting monolithic refractories for reheating furnaces, there are several important considerations to take into account. 1. Temperature requirements: Reheating furnaces operate at high temperatures, so it is crucial to choose monolithic refractories that can withstand the desired temperature range without experiencing significant thermal degradation or failure. The refractories must have a high refractoriness to maintain their structural integrity under these conditions. 2. Thermal shock resistance: Reheating furnaces often undergo rapid temperature changes due to the heating and cooling cycles. Monolithic refractories with good thermal shock resistance are essential to prevent cracking and spalling, which can lead to premature failure of the lining. 3. Mechanical strength: The monolithic refractories should have sufficient mechanical strength to withstand the stresses induced by the weight of the materials being heated and any mechanical movements within the furnace. This helps to prevent deformation or structural failure of the refractory lining. 4. Chemical compatibility: The refractories must be chemically compatible with the atmosphere and process gases present in the reheating furnace. They should resist chemical attacks from the gases or any corrosive substances generated during the reheating process. This ensures a longer service life for the refractory lining. 5. Abrasion resistance: Reheating furnaces often handle abrasive materials, such as hot billets or slabs. Selecting monolithic refractories with good abrasion resistance will help to minimize wear and extend the lifespan of the lining. 6. Ease of installation: Monolithic refractories offer advantages in terms of ease of installation compared to traditional brick refractories. However, it is important to consider the installation method and time required for the chosen monolithic refractory. Some monolithic refractories may require specialized equipment or techniques for installation. 7. Cost-effectiveness: While the initial cost of monolithic refractories may be higher than traditional brick refractories, their longer service life and ease of installation can result in overall cost savings. Assessing the cost-effectiveness of different monolithic refractory options is crucial for selecting the most suitable one for the reheating furnace. By considering these factors, one can make an informed decision when selecting monolithic refractories for reheating furnaces, ensuring optimal performance, durability, and cost-effectiveness.
- Q:How can the lifespan of monolithic refractories be extended?
- The lifespan of monolithic refractories can be extended through various measures, including proper installation, regular maintenance, and implementing effective operating practices. Firstly, it is crucial to ensure proper installation of monolithic refractories. This involves following the manufacturer's guidelines, using appropriate equipment and techniques, and ensuring correct curing and drying processes. When installed correctly, monolithic refractories are better equipped to withstand thermal stresses and chemical attacks, thereby prolonging their lifespan. Regular maintenance plays a key role in extending the lifespan of monolithic refractories. This includes routine inspections to identify any signs of wear, erosion, or cracking. Timely repairs or replacements should be carried out to prevent further damage. Additionally, applying protective coatings or sealants can help reduce erosion and chemical attacks, further enhancing the refractories' longevity. Implementing effective operating practices is another crucial aspect. Maintaining optimal operating conditions, such as controlling temperature fluctuations, can minimize thermal shocks and reduce the risk of spalling or cracking of the refractories. Proper material selection is also important, as using refractories that are specifically designed for the intended application can increase their resistance to chemical attacks and extend their lifespan. Furthermore, ensuring proper handling and storage of monolithic refractories is essential. They should be stored in a dry, clean environment, away from moisture and extreme temperatures, to prevent premature degradation. Handling should be done with care, avoiding excessive impact or rough treatment that could cause damage. Finally, it is beneficial to engage with experienced professionals or consult with refractory suppliers to gain valuable insights and guidance on best practices for extending the lifespan of monolithic refractories. Their expertise can help in making informed decisions regarding installation, maintenance, and operating practices, ultimately maximizing the refractories' lifespan and optimizing their performance.
- Q:What are the main factors affecting the thermal expansion of monolithic refractories?
- The main factors affecting the thermal expansion of monolithic refractories include the chemical composition of the refractory material, the temperature at which it is exposed, and the rate at which it is heated or cooled. Other factors such as the presence of impurities, the porosity of the material, and the type of bonding agents used can also influence the thermal expansion behavior of monolithic refractories.
- Q:How do monolithic refractories withstand chemical attack from molten metals and slag?
- Monolithic refractories withstand chemical attack from molten metals and slag due to their unique composition and properties. These refractories are made of a single, homogeneous material, which provides them with better resistance against chemical corrosion. Additionally, monolithic refractories are designed to have low porosity and high density, which limits the penetration of molten metals and slag into their structure. These materials also have high melting points, enabling them to withstand the extreme temperatures present in industrial processes. Overall, the combination of their composition, low porosity, high density, and high melting points makes monolithic refractories highly resistant to chemical attack from molten metals and slag.
- Q:What are the benefits of using monolithic refractories in the iron and steel industry?
- Monolithic refractories offer numerous benefits in the iron and steel industry. Firstly, they provide excellent thermal insulation, reducing heat loss and improving energy efficiency in furnaces and other equipment. Secondly, monolithic refractories have superior resistance to high temperatures, ensuring prolonged service life even under extreme conditions. Additionally, their flexibility allows for easy installation and repair, reducing downtime and maintenance costs. Moreover, monolithic refractories have enhanced chemical resistance, protecting against corrosive and reactive substances commonly found in iron and steel production. Overall, the use of monolithic refractories enhances productivity, extends equipment lifespan, and reduces operational costs in the iron and steel industry.
- Q:What are the key properties and characteristics of monolithic refractories?
- Monolithic refractories are a type of refractory material that are known for their ability to be shaped or installed in a single piece or without joints. These materials are typically used in high-temperature applications where traditional brick or tile refractories may not be suitable. One key property of monolithic refractories is their excellent thermal stability. They can withstand extreme temperatures without undergoing significant expansion or contraction, making them ideal for use in furnaces, kilns, and other heat-intensive environments. This property allows monolithic refractories to maintain their structural integrity and provide long-lasting performance. Another important characteristic of monolithic refractories is their high resistance to thermal shock. They can withstand rapid temperature changes without cracking or spalling, which is crucial in applications where the refractory material is exposed to alternating hot and cold conditions. This resistance to thermal shock ensures the longevity of the refractory lining and reduces the need for frequent repairs or replacements. Monolithic refractories also exhibit good mechanical strength, which enables them to withstand the mechanical stresses and loads imposed on them during use. They possess excellent load-bearing capacity and can resist abrasion, erosion, and impact, making them suitable for applications where the refractory material is subjected to mechanical wear or impact. Furthermore, monolithic refractories have the advantage of being easily installed and repaired. Unlike traditional refractories that require skilled labor and time-consuming bricklaying techniques, monolithic refractories can be cast, gunned, or sprayed into place. This ease of installation allows for faster turnaround times and reduces downtime during repairs or maintenance. Lastly, monolithic refractories offer good chemical resistance to various corrosive agents, such as acids, alkalis, and molten metals. This property makes them suitable for use in industries where the refractory material is exposed to aggressive chemical environments, such as the steel, petrochemical, and glass industries. In summary, the key properties and characteristics of monolithic refractories include excellent thermal stability, high resistance to thermal shock, good mechanical strength, easy installation and repair, and good chemical resistance. These properties make them a preferred choice in high-temperature applications where durability, reliability, and performance are of utmost importance.
- Q:How do monolithic refractories enhance the performance and longevity of furnaces?
- Monolithic refractories enhance the performance and longevity of furnaces by providing superior thermal insulation properties, excellent resistance to thermal shocks, and high mechanical strength. They create a seamless lining, eliminating joints and weak points, which reduces heat loss and prevents the penetration of molten metals or aggressive chemicals. Moreover, monolithic refractories offer flexibility in design and installation, allowing for customized shapes and sizes to maximize the efficiency of the furnace. Overall, their use enhances the overall heat transfer, reduces energy consumption, and extends the lifespan of the furnace.
- 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 help in reducing energy consumption in iron and steel production?
- Monolithic refractories play a vital role in the reduction of energy consumption in iron and steel production. These refractories are heat-resistant materials utilized to line the walls and floors of furnaces and other high-temperature equipment. One of the main ways monolithic refractories aid in energy reduction is through their exceptional thermal insulation properties. These materials possess low thermal conductivity, which effectively minimizes heat loss from the furnace or equipment. By keeping heat loss to a minimum, monolithic refractories help maintain a consistent and high temperature inside the furnace, resulting in enhanced energy efficiency. This allows for better utilization of generated heat, reducing the need for additional energy input and ultimately leading to energy savings. Additionally, monolithic refractories exhibit high thermal stability and resistance to thermal shock. This enables them to withstand the extreme temperatures and rapid temperature changes frequently encountered in iron and steel production processes. By having a robust and dependable lining, these refractories prevent heat leakage and ensure efficient heat transfer to desired areas, reducing energy wastage. Furthermore, monolithic refractories contribute to energy reduction by resisting chemical attack and erosion. In iron and steel production, furnaces and equipment linings are exposed to aggressive substances like molten metal, slag, and gases. Monolithic refractories exhibit excellent resistance to these corrosive elements, prolonging their lifespan and reducing the need for frequent repairs or replacements. This not only saves energy required for maintenance but also avoids production interruptions and associated energy losses. In conclusion, monolithic refractories aid in the reduction of energy consumption in iron and steel production by providing effective thermal insulation, withstanding extreme temperatures, and resisting chemical attack. By optimizing heat management and extending equipment durability, these refractories significantly contribute to energy efficiency and cost savings in the industry.
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Ladle Shroud long nozzle Chinese steelmaking
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 50000 set/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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