含钛高炉渣氯化铵焙烧活化试验.pdfVIP免费

doi:１０􀆰３９６９∕j􀆰issn􀆰１００７Ｇ７５４５􀆰２０２４􀆰０５􀆰０１０收稿日期:２０２４Ｇ０１Ｇ０７基金项目:矿冶科技集团有限公司科研基金项目(０２Ｇ１９４４)作者简介:谢思源(１９９９Ｇ),男,硕士研究生;通信作者:蒋伟(１９７９Ｇ),男,博士研究生,正高级工程师含钛高炉渣氯化铵焙烧活化试验谢思源１,蒋伟２,汪胜东２,蒋训雄１,２,张登高２,毛寒成２,赵峰２(１􀆰北京矿冶研究总院,北京１０００４４;２􀆰矿冶科技集团有限公司,北京１００１６０)摘要:针对钒钛磁铁矿高炉冶炼副产的含钛高炉渣成分复杂、难以处理特点,采用氯化铵焙烧活化—浸出提质处理工艺进行钙铝镁等杂质金属元素的脱除,获得钛富集物.考察焙烧和浸出过程中各参数对杂质脱除的影响.结果表明,在焙烧温度４５０℃、焙烧时间１h、氯化铵配比４０％、原料－０􀆰０７４mm占比８３％,盐酸浓度９％、液固比５、浸出时间４h、浸出温度９０℃的优化条件下,含钛高炉渣中钙、铝、镁脱除率分别达到７３􀆰２２％、９０􀆰０４％、９１􀆰３９％,钛损失率仅有０􀆰３４％,达到选择性脱除炉渣中杂质元素,提高含钛高炉渣品质的目的.关键词:含钛高炉渣;氯化铵;活化;浸出;钛中图分类号:TF８２３文献标志码:A文章编号:１００７Ｇ７５４５(２０２４)０５Ｇ００６８Ｇ０８ActivationTestofTitaniumＧbearingBlastFurnaceSlagbyRoastingwithAmmoniumChlorideXIESiyuan１,JIANGWei２,WANGShengdong２,JIANGXunxiong１,２,ZHANGDenggao２,MAOHancheng２,ZHAOFeng２(１􀆰BeijingGeneralResearchInstituteofMiningandMetallurgy,Beijing１０００４４,China;２􀆰BGRIMMTechnologyGroup,Beijing１００１６０,China)Abstract:AimingatthecharacteristicsofcomplexcompositionanddifficulttreatmentoftitaniumＧcontainingblastfurnaceslagofvanadiumtitaniumＧmagnetitesmeltingbyproduct,ammoniumchlorideroastingactivationＧleachingprocesswasusedtoremoveimpuritymetalelementssuchascalcium,aluminumandmagnesium,toobtaintitaniumenrichment􀆰Theeffectsofvariousparametersontheremovalofimpuritiesduringroastingandleachingwereinvestigated􀆰Theresultsshowthatundertheoptimalconditionsincludingroastingtemperatureof４５０℃,roastingtimeof１h,ammoniumchlorideratioof４０％,rawmaterialof－０􀆰０７４mmaccountsof８３％,hydrochloricacidconcentrationof９％,liquidＧsolidratioof５,lea...