發(fā)布時(shí)間：2018-03-21 12:10

  本文選題：釩鈦磁鐵礦尾礦　切入點(diǎn)：嵌布關(guān)系　出處：《有色金屬(選礦部分)》2017年03期 　論文類型：期刊論文

【摘要】：為了實(shí)現(xiàn)釩鈦磁鐵礦尾礦中鈦、鐵等資源的二次綜合利用,提高資源利用率,采用礦相顯微鏡、掃描電子顯微鏡和礦物自動(dòng)解離系統(tǒng)(MLA)對某釩鈦磁鐵礦尾礦中鐵和鈦的賦存規(guī)律進(jìn)行了詳細(xì)研究,討論了影響尾礦中鈦、鐵回收的礦物學(xué)因素。結(jié)果表明,該尾礦的顆粒較細(xì),礦物主要包括鈦鐵礦、鈦磁鐵礦、黃鐵礦等金屬礦物和攀鈦透輝石、斜長石和角閃石等脈石礦物組成;礦物中鈦磁鐵礦和鈦鐵礦除部分以單體解離態(tài)產(chǎn)出外,多呈形態(tài)各異的粒狀沿脈石的粒間、邊緣、裂隙及孔洞填充而構(gòu)成較為復(fù)雜的鑲嵌和包裹關(guān)系;鐵、鈦元素在目的礦物中的賦存比例分別為19.87%和51.62%;鐵在鈦鐵礦、攀鈦透輝石、角閃石中的賦存比例占78.85%,單體解離度為72.29%,TiO_2在鈦鐵礦、攀鈦透輝石和角閃石的賦存比例占90.94%,單體解離度為71.43%,因此實(shí)現(xiàn)鈦磁鐵礦、鈦磁鐵礦和攀鈦透輝石、角閃石的有效分離是提高鐵、鈦回收率的關(guān)鍵。
[Abstract]:In order to realize the secondary comprehensive utilization of titanium, iron and other resources in the tailings of vanadium titanomagnetite, and to improve the utilization ratio of the resources, the mineral phase microscope was used. The occurrence of iron and titanium in the tailings of a vanadium titanomagnetite was studied by scanning electron microscope and automatic mineral dissociation system (MLAA). The mineralogical factors affecting the recovery of titanium and iron in the tailings were discussed. The results showed that the particles of the tailings were fine. The minerals mainly include ilmenite, titanomagnetite, pyrite and other metallic minerals, and gangue minerals such as pyrroxene, plagioclase and amphibole. The intergranular, edge, fissure and pore filling of the gangue in various shapes form a more complex mosaic and encapsulation relationship; the occurrence ratio of iron and titanium in the target mineral is 19.87% and 51.62 respectively; iron in ilmenite, diopside, diopside, titanium diopside, titanium diopside, titanium diopside, titanium diopside, titanium diopside, titanium diopside, titanium diopside, titanium diopside. The ratio of amphibole to amphibole is 78.85, the monomer dissociation degree is 72.29 and TiO2 is 72.29 and TiO2 is located in ilmenite, the ratio of titanium diopside and hornblende is 90.94, and the monomer dissociation degree is 71.43. Therefore, the titanomagnetite, titanomagnetite and titanium diopside are realized. The effective separation of amphibole is the key to improve the recovery of iron and titanium.
【作者單位】： 攀鋼集團(tuán)研究院有限公司釩鈦資源綜合利用國家重點(diǎn)實(shí)驗(yàn)室;
【分類號】：TD926.4

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本文編號：1643796