
节点:中游(冶炼、中间品)位置:中游情绪:利好参考度:4/10
2025年12月16日,广东广青金属科技有限公司联合中南大学成功申请“一种镍基超级不锈钢连铸保护渣及其制备方法”专利,申请公布号为CN121131696A,申请日期为2025年11月5日。该发明属于连铸技术领域,针对镍基超级不锈钢连铸过程的保护渣应用需求展开技术创新。
所述保护渣的质量组分范围为:CaO 33~44 wt.%、SiO₂ 30~40 wt.%、Al₂O₃ 3~6 wt.%、Na₂O 8~12 wt.%、MgO 1~4 wt.%、F 5~10 wt.%、Li₂O 0~2 wt.%、MnO₂ 0~5 wt.%。本发明在制备保护渣的工业原料中加Ņ..
同时,通过引入废弃阴极炭块实现废物资源化利用,并结合透锂长石使用,进一步降低了保护渣的生产成本。本技术方案既提升了镍基超级不锈钢连铸保护渣的核心性能指标,又兼顾资源循环利用与经济性,为镍基超级不锈钢连铸工艺的优化提供了技术支撑。(来源:国家知识产权局)
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