改性离子型絮凝剂对含锑矿浆沉降性能的影响
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2020-04-17 12:41:28
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第28卷第3期矿冶Vol.28,No.32019年6月MINING&METALLURGYJune2019doi:10.3969#.issn.1005/854.2019.03.010改性离子型絮凝剂对含铸矿浆沉降性能的影响史'膚升1俞小花1李荣兴1谢冈']1>2!(1.昆明理工大学冶金与能源工程学院,昆明650093;2.昆明冶金研究院,昆明650031;3.共伴生有色金属资源加压湿法冶金技术国家重点实验室,昆明650500)摘要:脱硒渣浮选尾矿矿浆中含锚物料的沉降速度慢、沉降效果差!难以进行有效的固液分离,是湿法炼锚工艺的技术难题$在矿浆中加入絮凝剂沉降是工业上较为常用的方法。以云南某炼铜企业的脱硒渣浮选尾矿为原料!研究了絮凝剂的种类、添加量以及试验温度等因素对矿浆沉降的影响。结果表明,与未加入絮凝剂的相比!改性阳离子型聚丙烯酰胺絮凝剂和改性阴离子型聚丙烯酰胺絮凝剂均能较大幅度地提高矿浆的沉降速率;两种改性絮凝剂相比!改性阳离子聚丙烯酰胺絮凝剂更有利于获得较佳的沉降效果,且在沉降温度90j、絮凝剂加入量为0.005〜0.006g/L时,絮凝沉降效果最佳$关键词:含锚尾矿;沉降效果&絮凝剂&改性&离子型聚丙烯酰胺中图分类号:TF818文献标志码:A文章编号:1005-7854(2019)03-0049-05Effectofmodifiedionicflocculantonsettlementpropertyofantimony-bearingslurrySHIYu-shengYUXiao-hua1LIRong-xing1XIEGang123(1.FacultyofMetallurgyandEnergyEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China;2.KunmingMetalurgyResearchInstitute!Kunming650031!China&3.StateKeyLaboratoryofCommonAssociatedNonferrousMetalResourcesPressureHydrometalurgytechnology,Kunming650500,China)Abstract:Thesettlingrateofantimony-containingmaterialsinflotationtailingsslurryfromselenium-removalslagisslowandthesettlingeffectispoor.Itisdifficulttoseparatesolidandliquideffectively,whichisatechnica6prob6eminhydrometa6urgyofantimony.F6occu6antsedimentationisacommonsetingmethodinindustry.Takingthef6otationtaiingsofacertaincopperenterpriseinYunnanasrawmateria6s,theefectsoff6occu6anttype,dosageandtesttemperatureonantimonysedimentationwerestudied.Theresu6tsshowedthatbothmodifiedcationicpo6yacry6amidef6occu6antandmodifiedanionicpo6yacry6amidef6occu6antcou6dsignificant6yincreasethesetingrateofpu6pcomparedwiththosewithoutf6occu6ant.Comparedwiththetwomodifiedf6occu6ants,modifiedcationicpo6yacry6amidef6occu6antwasmoreadvantageoustoobtainbetersetingperformanceandthef6occu6ationsedimentationefectisthebestwhenthesedimentationtemperatureis90jandtheflocculantdosageisfrom0.005to0.006g/L.Keywords:antimonytailings;sedimentationeffect;flocculant;modification;ionicpolyacrylamide.收稿日期:2018-05-17基金项目:共伴生有色金属资源加压湿法冶金技术国家重点实验室幵放基金(yy2016003)作者简介:史清升,
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