Tundish Nozzle
A tundish nozzle is a critical refractory component used in continuous casting to regulate the flow of molten steel from the tundish to the mold. It ensures precise flow control, minimal turbulence, and reduced inclusions, improving casting efficiency and product quality.
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Key Properties of Tundish Nozzles
1. Material Composition: Zirconia, Alumina-Carbon, Magnesia-based refractories.
2. Density: Typically ranges from 2,400–3,100 kg/m³, depending on material type.
3. Thermal Conductivity: Optimized for heat preservation and flow uniformity.
4. Maximum Operating Temperature: Up to 1,750°C, ensuring durability in molten metal environments.
5. Flow Control: Designed with precision-engineered ports to regulate molten metal distribution.
Types of Tundish Nozzles
Zirconia Metering Nozzles: High erosion resistance, used for precise flow control.
Composite Alumina-Carbon Nozzles: Enhanced thermal shock resistance.
Magnesia-Based Nozzles: Suitable for high-temperature applications.
Applications of Tundish Nozzles
Steel Industry: Ensures uniform metal flow in slab, billet, and bloom casting.
Minimized Turbulence: Improves casting speed and reduces defects.
Temperature Maintenance: Prevents premature solidification.
