铝抬包内衬气孔自修复耐火浇注料结构

By introducing a self-healing refractory castable structure into the aluminum ladle lining, and utilizing active metal powder to perform self-repair when pores expand, the problems of spalling and seepage caused by pores in the aluminum ladle lining are solved, extending service life and reducing safety risks.

CN224508450UActive Publication Date: 2026-07-17JIAOZUO SENZE HIGH TEMPERATURE MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAOZUO SENZE HIGH TEMPERATURE MATERIAL CO LTD
Filing Date
2025-08-11
Publication Date
2026-07-17

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Abstract

本实用新型涉及铝抬包使用技术领域，具体涉及一种铝抬包内衬气孔自修复耐火浇注料结构，包括浇注料基体，所述浇注料基体内部设有空腔，所述空腔内设有由活性金属粉填充满的自修复块状件，所述自修复块状件的外表面设有惰性包覆层，产生气孔时，气孔扩展会破坏浇注料基体内部的空腔结构，导致惰性包覆层破裂，包覆层破裂后，内部的活性金属粉如铝、镁等易与氧气或铝液中成分反应的金属暴露，在高温环境下与气孔周围的物质如氧气、铝液中的杂质等发生化学反应，生成固态产物，填充气孔缝隙，实现气孔的自主修复，阻止铝液进一步渗透和内衬剥落，延长铝抬包使用寿命，降低安全事故风险。
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Claims

1. A self-healing refractory castable structure for aluminum ladle lining, characterized in that: It includes a castable matrix (1), the castable matrix (1) has a cavity (2) inside, the cavity (2) has a self-healing block (3) filled with active metal powder, and the outer surface of the self-healing block (3) has an inert coating layer (4).

2. The alumina ladle lining air hole self-repairing refractory castable structure according to claim 1, characterized in that: The inert coating layer (4) is arranged in a zigzag pattern inside the cavity (2), and the self-healing block (3) is alternately arranged in the gap between the inert coating layer (4) and the side wall of the cavity (2).

3. The alumina ladle lining air hole self-repairing refractory castable structure according to claim 1, characterized in that: The castable matrix (1) contains several carbon nanotubes (5).

4. The alumina ladle lining air hole self-repairing refractory castable structure according to claim 1, characterized in that: The castable matrix (1) has a slot (6) on one side and a pin (7) that matches the slot (6) on the other side.

5. The alumina ladle lining air hole self-repairing refractory castable structure according to claim 1, characterized in that: The inert coating layer (4) is a silicon dioxide thin film layer.