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Guoliang company owns three wholly-owned subsidiaries and one branch. It is a high-tech enterprise specializing in the integrated solution of refractories for high-temperature industry, providing customers with general contracting services and refractory products.
A ladle well block is a critical refractory component installed at the bottom of a steel ladle to hold and secure nozzles or purging plugs during molten steel refining and casting.
Also known as a ladle seating block, well block refractory, or ladle nozzle well block, it plays an essential role in steel flow control and ladle safety.
Ladle well block has the advantages of structural stability, erosion resistance, good thermal shock stability and long service life.
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PRODUCT ADVANTAGES
Excellent high temperature stability
Outstanding mechanical strength
Strong erosion resistance and penetration
Along with an ultra long service life
TECHNICAL SPECIFICATIONS
|
Index |
TN-TQZ |
TN-GBZ |
TN-SF |
|
Al2O3+MgO+Cr2O3 % ≥ |
93 |
93 |
--- |
|
Al2O3+MgO % ≥ |
--- |
--- |
90 |
|
Apparent porosity % ≤ |
17 |
17 |
20 |
|
Bulk density g/cm3 ≥ |
3.1 |
3.1 |
2.9 |
|
CCS MPa ≥ |
60 |
60 |
40 |
Note: TN-TQZ is purging plug, TN-GBZ is ladle well block, TN-SF is corundum self-flowing castable
The steel ladle well block helps:
In steelmaking operations, the refractory well block must withstand extreme temperatures, slag corrosion, molten steel erosion, and thermal cycling.
Upper Well Blocks:
Installed at the upper section of the ladle refractory system, these blocks are positioned closer to the molten steel. They are precisely engineered to securely support and align the stopper rod assembly, while helping guide the controlled flow of molten metal toward the nozzle system.
Lower Well Blocks:
Located beneath the upper blocks, lower well blocks form the structural base for the nozzle and seating components. They house and support the seating block and inner nozzle, ensuring a stable and direct flow channel toward the slide gate mechanism for precise steel flow control.
Ladle well blocks (also known as pocket bricks) are primarily used in steel ladles and continuous casting systems, where they work in combination with nozzle bricks and metering nozzles to ensure stable and controlled molten steel flow. These blocks are especially suitable for tundish and ladle applications requiring high precision and reliability.
The ladle well block plays a critical role in the steelmaking process by providing structural support and protection for the nozzle assembly. Our well blocks are engineered with a dense, high-strength refractory structure that delivers outstanding resistance to steel erosion and chemical attack. They maintain dimensional stability and do not deform or crack even under severe thermal and mechanical stress when used with zirconia metering nozzles.
Manufactured from high-purity raw materials, our refractory well blocks for nozzles feature excellent thermal shock resistance, strong corrosion and erosion resistance, and a significantly extended service life. Each product is produced according to customer specifications, allowing flexible customization in shapes, sizes, and performance requirements to match different steel plant conditions.
We supply high-performance refractory well blocks for ladle systems, ensuring stable casting performance, strong erosion resistance, and long service life.
If you are interested in any of our products or would like to make your customized order, please feel free to contact us. We are looking forward to establish successful business relations with you.
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