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摘要:
综述了微细粒钛铁矿浮选药剂的种类和机理、选别设备的特点以及微细粒级钛铁矿的选别工艺。结合实际案例，分析了调整剂和捕收剂的作用机理、介绍了新设备的研制和工艺流程的创新与运用。微细粒钛铁矿选矿技术研究的现状是研制具有协同效应的组合药剂以及应用复合力场的新型设备。多数选钛厂采用磁选与浮选联合工艺选别微细粒钛铁矿。实际生产中微细粒钛铁矿的回收率低，-0.019 mm粒级钛铁矿缺乏有效的选别方法是研究过程中面临的难点。
Abstract:The varieties and mechanisms of ilmenite flotation agents, the characteristics of the separation equipment and the technological process of fine ilmenite recovery of fine ilmenite were reviewed. Based on practical cases of production, the mechanisms of the regulators and collectors, ideas and innovation of new equipment developments, as well as application of process flow were fully analyzed. In recent years, the use of the flotation regent synergies to develop combination reagents and the development of new separation equipment with compound force field have been a research hot point in recovery of fine ilmenite resources. Moreover, the magnetic separation and flotation combined technological process is the widely used method for such fine ilmenite resources in most concentration plants. In industry, there is still no effective processing method for the recovery of -0.019 mm fine ilmenite, which has been become a challenge needed to overcome.
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Key words:
- fine /
- ilmenite /
- flotation reagent /
- separation equipment /
- separation process /
- interaction mechanism
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表 1 钛铁矿浮选药剂
Table 1. Flotation reagents of ilmenite
药剂分类 药剂名称 抑制剂 有机类 羧甲基纤维素、羧甲基淀粉和草酸等 无机类 水玻璃和酸化水玻璃等 活化剂 金属离子 Pb2+、Cu2+和Fe3+等 非金属离子 SO42-和HSO4-等 脂肪酸类 油酸、氧化石蜡皂和塔尔油等 膦酸类 苯乙烯膦酸、羟基辛基膦酸和烷基-双膦酸等 捕收剂 胂酸类 苄基胂酸等 羟肟酸类 水杨羟肟酸和苯甲羟肟酸等 组合捕收剂 MOS、MOH、ROB、F968、H717、RST和ZY等 起泡剂 松醇油 
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表 2 浮选微细粒钛铁矿的部分药剂和指标
Table 2. Some agents and indicators of flotation fine ilmenite
原矿 浮选药剂 精矿 引用 TiO2品位/% 粒级 捕收剂 用量g/t 调整剂 用量g/t TiO2品位/% 回收率% 7.33 -0.147 mm+0.05 mm占100% 油酸钠 450 硝酸铅
硫酸
硅酸钠30
900
40039.55 54.61 [39] 11.15 -0.045 mm占34%~39% 苯乙烯膦酸 酸化水玻璃 30. 91 85.84 [40] 15.36 -0.020 mm占100% 水杨羟肟酸 46.10 71.65 [41] 10.81 -0.045 mm占43.08% F968 3 600 SSB
草酸4 000 48.45 80.00 [42] 21 -0.045 mm占37% R-2 1 200 硫酸 1 750 47.50 70 [43] 22.85 -0.053 mm占37.96% ZF-02 2 950 硫酸
草酸1 000
1 95048.08 89.73 [44]
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| 引用本文: |
张松, 文书明, 刘建, 先永骏, 韩广, 王瑜. 微细粒钛铁矿选矿技术研究进展[J]. 矿产保护与利用, 2019, 39(1): 131-137. doi: 10.13779/j.cnki.issn1001-0076.2019.01.024
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| Citation: |
ZHANG Song, WEN Shuming, LIU Jian, XIAN Yongjun, HAN Guang, WANG Yu. Research on Mineral Processing Status of Fine Ilmenite[J]. Conservation and Utilization of Mineral Resources, 2019, 39(1): 131-137. doi: 10.13779/j.cnki.issn1001-0076.2019.01.024
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