Choosing the Right Submerged Entry Nozzle for Your Needs
Understanding Submerged Entry Nozzles in Continuous Casting
Submerged entry nozzles (SEN) play a pivotal role in continuous casting processes for both glass and steel industries. These refractory components control molten metal flow from the tundish to the mold, ensuring smooth operation and product quality. But how do you choose the right one?
Key Material Considerations
Our zirconia-based SEN solutions offer superior performance due to:
- 94% ZrO2 composition for exceptional corrosion resistance
- Thermal shock resistance up to 1,600°C
- Low wettability against molten glass and steel
Design Factors Impacting SEN Performance
Flow Control Geometry
The internal bore design significantly affects:
- Metal flow patterns
- Inclusion flotation
- Temperature distribution
Our engineers optimize port angles (typically 15°-25° downward) based on your specific casting parameters.
Thermal Management Features
Advanced SEN designs incorporate:
- Gradual thickness transitions to minimize stress
- Insulating layers for temperature stability
- Precise dimensional tolerances (±0.5mm)
Industry-Specific Solutions
Glass Furnace Applications
For glass production, we recommend SEN with:
- Enhanced sodium vapor resistance
- Specialized coatings to prevent cord formation
- Customized shapes for gob formation
Steel Continuous Casting
Steelmakers benefit from our:
- Argon injection compatible designs
- Clog-resistant inner surfaces
- Rapid replacement systems
Why Choose Our Submerged Entry Nozzles?
With 20+ years in refractory manufacturing, we deliver:
- ISO 9001 certified production
- ASTM C862 compliant materials
- Custom engineering support
- Global technical service network
Contact our specialists today for a free consultation on optimizing your continuous casting operation. Our team can analyze your current process and recommend the ideal SEN configuration to improve yield and reduce downtime.