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发明名称
一种生产超低氧铜的精炼技术
摘要
本发明属于冶金技术。本发明采用炉体底部装有透气元件的感应炉来精炼生产超低氧铜,感应炉的炉壁内衬下部为炭质(或石墨)层,上部为氧化物耐火材料层。精炼中铜液表面覆盖一炭质还原物层,通过底吹惰性气体加速铜液原有的炉内流动,使铜液成分均匀化,也使与炉壁内侧炭质(或石墨)层以及表面覆盖的炭质还原物层接触的铜液的脱氧动力学条件得到加强,因而在较短的冶炼时间内,铜液中的氧含量可以降到极低的水平。
申请公布号
CN1415768A
申请公布日期
2003.05.07
申请号
CN01132089.3
申请日期
2001.11.01
申请人
上海大学
发明人
丁伟中;鲁雄刚
分类号
C22B15/14
主分类号
C22B15/14
代理机构
代理人
主权项
1.一种生产超低氧铜的精炼技术,其特征为在感应炉炉体底部添加了透气元件,且在感应炉炉壁内侧下部衬有一圈炭质(或石墨)层。在铜的冶炼过程中,通过透气元件向铜液鼓入气体,金属液的表面用一炭质还原物层覆盖。
地址
200072上海市延长路149号
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