Refractory Ladle Upper Nozzle High-performance
USES:Controls the flow of molten steel from a ladle to a tundish or another vessel in steelmaking; Improves the efficiency and quality of the steelmaking process
Description
Description
Alumina carbon ladle upper nozzle is a high-performance refractory component used in steelmaking to control the flow of molten steel from a ladle to a tundish or another vessel. The upper nozzle is typically made of a composite material comprising alumina and carbon, which gives it excellent thermal shock resistance and erosion resistance.
The upper nozzle is designed to withstand the high temperatures and harsh conditions of the steelmaking process, and it plays a critical role in ensuring the quality and consistency of the final product. The alumina carbon material used in the upper nozzle is selected for its high thermal conductivity, low thermal expansion, and excellent resistance to corrosion and oxidation.
To manufacture an alumina carbon ladle upper nozzle, raw materials such as alumina, graphite, and binders are mixed together and formed into a nozzle shape using a molding process. The nozzle is then fired at high temperatures to produce a dense, hard, and durable refractory component.
Specification
| Property | Value |
|---|---|
| Alumina content | 50-90% |
| Carbon content | 5-45% |
| Apparent porosity | 5-15% |
| Bulk density | 2.7-3.1 g/cm³ |
| Cold crushing strength | 50-150 MPa |
| Thermal conductivity | 20-60 W/m·K |
| Thermal expansion | 1.2-2.6 × 10^-6 /K |
FEATURES:
Made of a composite material comprising alumina and carbon
High thermal shock resistance and erosion resistance
Excellent resistance to corrosion and oxidation
High thermal conductivity
Low thermal expansion
ADVANTAGES:
Improves process efficiency in steelmaking
Reduces downtime in steelmaking
Improves the quality and consistency of the final product
Has a long service life
Resistant to the harsh conditions of the steelmaking process
Products Service
Tundish Nozzles: Tundish nozzles are refractory components used in the steelmaking process to control the flow of molten steel from a tundish to a mold. Like alumina carbon ladle upper nozzles, they are made of high-performance refractory materials such as alumina and zirconia.
Refractory Engineering and Design Services: Companies offer refractory engineering and design services to help customers choose the best refractory materials and designs for their specific needs. This can include customized design and installation solutions.
Refractory Installation and Maintenance Services: Refractory installation and maintenance services are available to help customers with the installation, repair, and maintenance of refractory components in their facilities. This can help improve the longevity and efficiency of the refractory components.
Refractory Raw Materials: Refractory raw materials such as alumina, zirconia, and silica are used to make high-performance refractory components such as alumina carbon ladle upper nozzles. Companies offer these raw materials in various grades and sizes to meet different requirements.
Refractory Insulation Materials: Refractory insulation materials such as ceramic fiber and insulating firebricks are used to insulate high-temperature equipment and reduce heat loss. These materials can also be used in combination with high-performance refractory components to provide additional insulation.
Hot Tags: refractory ladle upper nozzle high-performance
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