These three converters are all pure oxygen top-blown. 这三座转炉都是纯氧顶吹的。
Using oxygen autogenous smelting technology process secondary coppe concentrate with nickel,basiclly perfect process spontaneous heating and batch production were brought about. 采用纯氧自热熔炼技术处理合镍二次铜精矿，可基本实现过程自热和连续生产。
