欢迎来到天天文库
浏览记录
ID:52273383
大小:715.41 KB
页数:6页
时间:2020-03-26
《青海夏日哈木铜镍矿石工艺矿物学研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第25卷第3期中国矿业Vo1.25,No.32016年3月CHINAMININGMAGAZlNEMar.2016青海夏日哈木铜镍矿石工艺矿物学研究刘长征,杨启安,吴树宽,谢海林,徐修生。,于传兵。,王治安(1.青海省第五地质矿产勘查院,青海西宁810028;2.青海省地质矿产勘查开发局,青海西宁810001;3.北京矿冶研究总院,北京102600)摘要:青海夏日哈木铜镍矿石属硫化镍矿石,含镍0.63~0.80,铜0.14~0.20,钴0.025~O.028,是主要回收对象。矿石矿物组成复杂,铜矿物以黄铜矿为主,少量的墨铜矿和微量的方黄铜矿及铜蓝;镍
2、矿物以镍黄铁矿为主,有微量的紫硫镍矿、砷镍矿、辉砷镍矿及含钴的辉砷镍矿等}铁矿物主要为磁铁矿,微量赤铁矿及菱铁矿。铜、镍矿物嵌布特征复杂、嵌布粒度细微,普遍被脉石矿物包裹,同时铜、镍矿物自身相互紧密连生;矿石中含镁脉石矿物较多,具有质地柔软,容易泥化,自然可浮性好,吸附能力强的特点,将给铜、镍矿物的分选带来不利的影响。关键词:铜镍矿石;工艺矿物学;矿物组成;有用矿物嵌布特征;脉石矿物中图分类号:P616.4文献标识码:A文章编号:1004—4051(2016)03—0136—06StudyontheprocessmineralogyofXiarih
3、amucopper-nickeloreinQinghaiLIUChang—zheng,YANGQi—an,WUShu—kuan,XIEHal—lin。,XUXiu-sheng。,YUChuan—bing。,WANGZhi—an(1.No.5InstituteofGeologicalandMineralResourcesofQinghaiProvince,Xining810028,China;2.BureauofGeologicalExplorationandMineralDevelopmentofQinghaiProvince,Xining8100
4、01,China;3.BeijingGeneralResearchInstituteofMiningandMetallurgy,Beijing102600,China)Abstract:QinghaiXiarihamudepositcopper-nickelorebelongstothenickelsulfideore,nickel0.63~0.80,copper0.14~O.2O%,cobaltcontaining0.025%~0.028,isthemainobjectofrecycling.Thedepositofcopper-nicke1or
5、eminera1compositioncomplex。coppercontentisgivenprioritytowithchalcopyrite,asmallamountoftheinkcopperandPartychalcopyriteandcopperblue;NickelmineraliSgivenprioritytOwithnickelpyrite,therearetracesofpurplesulfurnickel,nickelarsenic,faiarsenicnickelandfaiarseniccontainingcobaitni
6、ckelore,etc.Ironorearemainlymagnetite,tracehematiteandsiderite.Thedisseminatedcharacteristicsofcopperandnickelmineralsarecomplicatedwhichembeddedinsuperfineparticleandaregenerallypackedbythegangueminerals.Meanwhilethecopperandnickelmineralsarecloselyassociated.Thereareamountso
7、fmagnesiumganguemineralsinoreswithcharacteristicsofsofttexture,easilysliming,goodfloatabilityhighadsorptionability.Thesewillbringseriouslybadimpacttotheseparationofcopperandnickelore.Keywords:copperandnickelore;proscessmineralogy;mineralcomposition;mineraldisseminationcharacte
8、ristics;gangueminerals夏日哈木铜镍矿区位于青海省西部东昆仑山出露主要为古元古代金水口岩群白沙河岩组地
此文档下载收益归作者所有