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Long-life steel ladle slag line brick and preparation method thereof
The invention discloses a long-life steel ladle slag line brick, and relates to the technical field of refractory materials, the long-life steel ladle slag line brick comprises 65-80% of a fused magnesia material, 4-10% of a fused calcium zirconate material, 3-10% of a fused monoclinic zirconia material, 12-17% of a carbon material and 1-3% of an antioxidant, the zirconia content of the fused monoclinic zirconia material is greater than 95%, and the antioxidant comprises one or more of metal aluminum, monatomic silicon and aluminum-silicon alloy powder. The steel ladle slag line brick has excellent molten steel corrosion resistance, high fluorine slag resistance, thermal shock resistance and oxidation resistance, has the characteristics of good corrosion resistance and quite long service life when being used as the steel ladle slag line brick under the condition of long-time LF furnace and VD furnace refining, and completely meets the requirements.
本发明公开了一种长寿命钢包渣线砖，涉及耐火材料技术领域，包括65%～80%电熔镁砂材料、4%～10%电熔锆酸钙材料、3%～10%电熔单斜氧化锆材料、12%～17%碳类材料、1%～3%抗氧化剂，电熔单斜氧化锆材料的氧化锆含量大于95%，抗氧化剂包括金属铝、单质硅、铝硅合金粉中的一种或数种。在抗钢水侵蚀、抗高氟渣、抗热震和抗氧化性能是极佳的，在长时间LF炉、VD炉精炼条件下用作钢包渣线砖具有抗侵蚀好、寿命相当长的特点，完全满足要求。
Long-life steel ladle slag line brick and preparation method thereof
The invention discloses a long-life steel ladle slag line brick, and relates to the technical field of refractory materials, the long-life steel ladle slag line brick comprises 65-80% of a fused magnesia material, 4-10% of a fused calcium zirconate material, 3-10% of a fused monoclinic zirconia material, 12-17% of a carbon material and 1-3% of an antioxidant, the zirconia content of the fused monoclinic zirconia material is greater than 95%, and the antioxidant comprises one or more of metal aluminum, monatomic silicon and aluminum-silicon alloy powder. The steel ladle slag line brick has excellent molten steel corrosion resistance, high fluorine slag resistance, thermal shock resistance and oxidation resistance, has the characteristics of good corrosion resistance and quite long service life when being used as the steel ladle slag line brick under the condition of long-time LF furnace and VD furnace refining, and completely meets the requirements.
本发明公开了一种长寿命钢包渣线砖，涉及耐火材料技术领域，包括65%～80%电熔镁砂材料、4%～10%电熔锆酸钙材料、3%～10%电熔单斜氧化锆材料、12%～17%碳类材料、1%～3%抗氧化剂，电熔单斜氧化锆材料的氧化锆含量大于95%，抗氧化剂包括金属铝、单质硅、铝硅合金粉中的一种或数种。在抗钢水侵蚀、抗高氟渣、抗热震和抗氧化性能是极佳的，在长时间LF炉、VD炉精炼条件下用作钢包渣线砖具有抗侵蚀好、寿命相当长的特点，完全满足要求。
Long-life steel ladle slag line brick and preparation method thereof
一种长寿命钢包渣线砖及制备方法
JIN CONGJIN (author) / JIANG AIJUN (author) / LYU YIHUA (author) / JIE CHUANG (author) / YANG ZHENGHONG (author) / LI JIE (author)
2022-07-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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