CNC Calibrated Nozzle Changer
Product Advantages
1. Extends the service life of ladle nozzles
2. Improves metallurgical quality
3. Variable nozzle diameter to meet pouring speed requirements
Products Description
CNC calibrated nozzle changer refers to the replaceable, disassemblable refractory components within the nozzle system used in continuous casting systems to ensure stable molten steel flow and cleanliness.
Key Application Scenarios
- Replace parts immediately when the nozzle exhibits significant erosion, chipping, channel blockage, or flow regulation failure.
- When changing steel grades or billet cross-sections during production, replace the corresponding structural components to adapt to new production processes.
- Perform regular preventive replacements to avoid unexpected nozzle damage during production that could lead to production accidents.
Product Parameters
|
Zirconia Inserts |
|||
|
|
CT-PMD1 |
CT-PMD2 |
CT-PMD3 |
|
Physical Properties |
|
|
|
|
Apparent Porosity (%) |
11-12 |
8-10 |
6-8 |
|
Bulk Density (g/cm3) |
≥4.9 |
≥5.2 |
≥5.3 |
|
Chemical Analysis(%) |
|
|
|
|
ZrO + HfO |
≥94.0 |
≥95.5 |
≥96.0 |
|
SiO |
1.1 |
0.23 |
0.5 |
|
TiO2 |
0.2 |
0.2 |
0.1 |
|
Fe2O3 |
0.5 |
0.05 |
0.05 |
|
Al2O3 |
0.4 |
0.42 |
0.1 |
|
CaO |
0.2 |
0.15 |
0.15 |
|
MgO |
2.5 |
2.4 |
2.4 |
|
Na2O |
0.03 |
0.01 |
0.01 |
|
Outside |
|||
|
|
CT-GL1 |
CT-GL2 |
CT-GY1 |
|
Physical Properties |
|
|
|
|
Apparent Porosity (%) |
18-20 |
16-18 |
18-20 |
|
Bulk Density (g/cm3) |
≥2.8 |
≥2.85 |
≥2.9 |
|
Chemical Analysis(%) |
|
|
|
|
Al2O3 |
75 |
82 |
96.5 |
|
TiO2 |
3.0 |
2.5 |
0.1 |
|
Fe2O3 |
1.5 |
1.2 |
0.1 |
|
SiO |
10 |
8 |
0.1 |
|
CaO |
0.2 |
0.1 |
2.5 |
|
MgO |
0.2 |
0.1 |
0.1 |
|
P2O5 |
2.5 |
2.5 |
0.01 |
Core Function
Ensuring Uninterrupted Production
Continuous casting nozzles gradually wear and erode under the impact of high-temperature molten steel, leading to channel deformation, flow control failure, or molten steel leakage risks. Replacement parts enable rapid replacement of damaged nozzles, preventing prolonged production line downtime and maintaining continuous casting rhythm.
Stabilizing Slab Quality
Worn or eroded nozzles disrupt molten steel flow patterns, causing issues like slag entrapment, increased inclusions, and surface defects in slabs. Replacement parts maintain optimal channel geometry and flow design, ensuring stable steel delivery and purification for consistent slab quality.
Adapt to Production Adjustments
Different billet specifications require nozzles with distinct structures (e.g., orifice diameter, side hole angle). Replacement parts enable rapid model switching according to production schedules, meeting diverse billet production demands across multiple grades and specifications.
Reduce Maintenance Costs
Replacement parts eliminate the need for complete ladle replacement, targeting only worn nozzle components. This reduces refractory consumption and simplifies equipment maintenance, lowering overall production costs.
our Products
Company Profile
Anyang Changtai Silicon Industry Co., Ltd. is a comprehensive enterprise specializing in the design, processing, and sales of zirconia high-temperature products. Established in 2010, the company has rapidly emerged as a leader in this field through its exceptional expertise and mature technology in zirconia high-temperature products.
Our designed zirconia high-temperature products include:
- Zirconia nozzles for continuous casting in steelmaking, quick-change sizing nozzles, ladle nozzles;
- Zirconia slide plates and rings for converter pouring;
- Calcium-stabilized zirconia nozzles and magnesium-stabilized zirconia nozzles for the powder metallurgy industry;
- A comprehensive range of zirconia products suitable for high-temperature applications.
For inquiries or purchases, please contact us!
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