The water outlet of the refractory ladle is an important part in metallurgical production. A stable ladle water outlet helps ensure the quality of metallurgical production. Next, we will introduce in detail the characteristics of the zirconia nozzle for the ladle nozzle.
1. Excellent high temperature resistance
One of the great advantages of using zirconia nozzles for refractory ladle nozzles is its excellent high temperature resistance. The zirconia nozzle material will not expand significantly at high temperatures, so it will not affect the sealing of the ladle water inlet. Its melting point is high and stable, so that the zirconia nozzle material will not melt or deform at high temperatures.
2. Strong corrosion resistance
The zirconia nozzle material has excellent corrosion resistance and will not be damaged even by erosion from flue gas, acidic or alkaline substances. This is especially important when using the ladle nozzle, because the ladle nozzle is often in contact with high temperatures, acidic or alkaline substances. The corrosion resistance of the zirconia nozzle can ensure the stable operation of the ladle nozzle for a long time.
3. Good sealing performance
In terms of sealing the ladle nozzle, the zirconia nozzle has very good performance. The zirconia nozzle joint is closely combined with the joint of the ladle water inlet itself to ensure the sealing of the ladle water inlet, so there will be no problems such as leakage. In addition, the zirconia nozzle can also adapt to the deformation of the ladle nozzle, allowing the ladle nozzle to maintain a good seal for a long time.
4. Good thermal shock resistance
The zirconia nozzle material has good thermal shock resistance and will not cause breakage or cracking even after cooling at high temperatures. The ladle nozzle often undergoes a process of alternating hot and cold during production. The good thermal shock resistance of the zirconia nozzle can ensure the long-term reliable use of the ladle nozzle.
5. Simple production process
The production process of zirconia nozzle material is very simple. The common method is to use graphite mold pressing or static pressure molding, and then crack it to obtain a uniform zirconia nozzle product. A simple production process can not only ensure product consistency and stability, but also reduce production costs and improve product competitiveness.
6. Safe, stable and reliable
Since the zirconia nozzle material will not react with high temperature, acidic or alkaline substances in the ladle nozzle, it will not produce harmful gases and dissolved products, ensuring the safety, stability and reliability of the production process.
To sum up, the characteristics of zirconia nozzle for ladle nozzle are very outstanding. Its high temperature resistance, corrosion resistance, good sealing, strong thermal shock resistance, simple production process, safety, stability and reliability make zirconia nozzle become the most popular material for ladle nozzle. one of the important representatives. In the future, with the continuous advancement of science and technology, the application scope and market prospects of zirconia nozzle materials will become increasingly broad. We are committed to providing customers with the highest quality refractory materials, zirconia core and other refractory materials. If necessary, contact us today and let us help you find the perfect solution for your needs!
TUNDISH METERING NOZZLE Product Data
|
Zirconia Inserts |
Tundish Nozzle Outer | |||||
|
LKZN-L |
LKZN-M |
LKZN-H |
LKTN75 |
LKTN85 |
LKTN90 |
|
|
Physical Properties |
||||||
|
Apparent Porosity (%) |
11-12 |
8-10 |
6-8 |
20 |
18 |
16 |
|
Bulk Density (g/cm3) |
≥4.9 |
≥5.2 |
≥5.3 |
2.6 |
2.8 |
3.0 |
|
Chemical Analysis(%) |
||||||
|
ZrO2 + HfO2 |
≥94.0 |
≥95.5 |
≥96.0 |
/ |
/ |
/ |
|
SiO2 |
1.1 |
0.23 |
0.5 |
20 |
13 |
8 |
|
TiO2 |
0.2 |
0.2 |
0.1 |
3 |
2.1 |
0.3 |
|
Fe2O3 |
0.5 |
0.05 |
0.05 |
2.5 |
2.0 |
0.58 |
|
Al2O3 |
0.4 |
0.42 |
0.1 |
≥75 |
≥85 |
≥90 |
|
CaO |
0.2 |
0.15 |
0.15 |
0.2 |
0.1 |
0.20 |
|
MgO |
2.5 |
2.4 |
2.4 |
0.2 |
0.1 |
0.06 |
|
Na2O |
0.03 |
0.01 |
0.01 |
0.6 |
0.5 |
0.3 |
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