节点:中游(冶炼、中间品)位置:中游情绪:利空参考度:4/10


中冶瑞木项目是中国在南太平洋地区最大投资项目及巴布亚新几内亚最大集采选冶一体化世界级矿业项目,2012年投产后通过持续工艺创新,成功应对投产初期不达产、成本高企及资源品位下降等挑战,开发世界级低品位红土镍钴矿,实现达产超产与可持续发展,为全球矿业提供可复制中国技术方案。

投产初期,项目因非标设备设计缺陷、雨季矿石含水高致洗矿系统淤塞等问题,产能仅达设计值90%左右。2016年将水力采矿工艺升为主工艺,当年贡献30%产能,2017年全面达产并连续超产,最高月产量达设计产能108%,成为全球首例水采红土矿项目,突破红土矿产能上限,颠覆传统采矿与造浆工艺。

随着资源品位下降、运输距离超经济临界点,项目2023年推出“水采+机采联合作业”模式,在采矿点附近设水采点短驳造浆,同年10月成主工艺占总产量80%。实施后铰卡用量减少30%、维修人员减少40%、矿石损失率降至3%左右,解决生存问题并为长期可持续发展奠定基础。

...铁矿,冶炼蒸汽循环利用率超75%,镍钴浸出率不低于95%。

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