-
摘要:
某石英型萤石矿CaF2含量45.684%，通过选矿实验确定了选别该矿石的工艺流程和药剂制度，提供了相关工艺参数和技术指标。磨矿细度为-0.074 mm 90%，用碳酸钠作调整剂，JK-3和水玻璃作组合抑制剂，YP-2作捕收剂，采用一粗五精一扫，精Ⅰ尾和扫Ⅰ精再选，中矿合并返回的闭路工艺，精矿CaF2品位为97.682%，回收率为91.87%。实验结果表明矿石中的主要有价矿物萤石得到了充分的回收，产品质量较高，指标较为理想，为选矿设计提供了科学依据。
Abstract:The CaF2 content of a quartz fluorite ore is 45.684%. Through beneficiation test, the technological process and reagent system are determined, and the relevant technological parameters and technical indexes are provided. The grinding fineness is -0.074 mm, accounting for 90%. With sodium carbonate as regulator, JK-3 and sodium silicate as combined inhibitor, YP-2 as collector, the closed-circuit process of one roughing, five refining and one scavenging, separate flotation of cleaning I tailings and scavenging I concentrate and integrated return of middling is adopted. The CaF2 grade of concentrate is 97.682%, and the recovery is 91.87%. The test results show that the main valuable mineral fluorite in the ore has been fully recovered, the product quality is high, and the index is ideal, which provides a scientific basis for mineral processing design.
-
Key words:
- Quartz fluorite deposit /
- Flotation /
- Midst product /
- Stage grinding and dressing
-
-
表 1 原矿多元素分析结果/%
Table 1. Results of multi element analysis of raw ore
CaF2 CaCO3 Cu Pb Zn Fe As 45.684 0.483 0.029 0.030 0.015 1.003 0.011 S P MgO Al2O3 Ag* SiO2 BaSO4 0.365 0.010 0.926 7.752 0.36 28.612 2.634 *单位为g/t。 
下载: 导出CSV
表 2 中矿再选实验流程结果
Table 2. Results of middlings reprocessing test process
产品名称 产率% CaF2品位% CaF2回收率% 精矿 45.20 91.728 92.53 中精 7.90 27.846 4.91 中尾 11.20 6.188 1.55 尾矿 35.70 1.274 1.02 原矿 100.00 44.809 100.00
下载: 导出CSV
表 3 阶段磨矿阶段选别工艺考查实验结果
Table 3. Test results of stage grinding stage beneficiation process
产品名称 产率/% CaF2品位/% 回收率/% 累计/% 精矿 23.65 99.00 52.30 精尾5 2.66 96.10 5.70 58.00 精尾4 1.88 90.45 3.79 61.79 精尾3 2.92 79.17 5.16 66.95 精尾2 6.56 66.43 9.74 76.69 精尾1 20.52 38.77 17.77 94.46 扫选 3.75 18.20 1.52 95.98 尾矿 38.07 4.72 4.02 100.00 原矿 100.00 44.76 100.00
下载: 导出CSV
表 4 中矿集中返回闭路实验结果
Table 4. Closed circuit test results of middlings centralized return
产品名称 产率/% CaF2品位/% CaF2回收率/% 精矿 42.68 97.682 91.87 尾矿 57.32 6.433 8.13 原矿 100.00 45.378 100.00
下载: 导出CSV
表 5 精矿多元素分析结果/%
Table 5. Multi element analysis results of concentrate
CaF2 CaCO3 Cu Pb Zn Fe As S P SiO2 97.682 0.062 0.007 0.009 0.003 0.104 0.004 0.026 0.014 0.842
下载: 导出CSV
-
[1] 曾小波, 印万忠. 共伴生型萤石矿浮选研究进展与展望[J]. 矿产综合利用, 2021(1):1-7. ZENG X B, YIN W Z. Resesrch progress and prospect of flotation of assou ciated fluorite minerdls[J]. Multipurpose Utilization of Mineral Resources, 2021(1):1-7. doi: 10.3969/j.issn.1000-6532.2021.01.001
[2] 刘忠义, 马子龙, 刘杰, 等. 含云母方解石型萤石矿的浮选柱分选试验研究[J]. 矿产综合利用, 2019(2):60-64. LIU Z Y, MA Z L, LIU J, et al. Experimental research on flotation column separation of micaceous calcite-type fluorite[J]. Multipurpose Utilization of Mineral Resources, 2019(2):60-64. doi: 10.3969/j.issn.1000-6532.2019.02.012
[3] 李敬, 高永璋, 张浩. 中国萤石资源现状及可持续发展对策[J]. 中国矿业, 2017, 26(10):7-14. LI J, GAO Y Z, ZHANG H. The status quo of China's fluorite resources and sustainable development countermeasures[J]. China Mining Industry, 2017, 26(10):7-14.
[4] 崔瑞, 王旭, 魏骞, 等. 湖北某重晶石-萤石型矿综合利用研究[J]. 矿产综合利用, 2019(2):70-74. CUI R, WANG X, WEI Q, et al. Study on comprehensive utilization of a barite-fluorite ore in Hubei province[J]. Multipurpose Utilization of Mineral Resources, 2019(2):70-74. doi: 10.3969/j.issn.1000-6532.2019.02.014
[5] 文伟, 陈福林, 余新文, 等. 某含硫萤石重晶石共伴生氟碳铈稀土矿硫脱除必要性及回收试验[J]. 矿产综合利用, 2019(6):45-48. WEN W, CHEN F L, YU X W, et al. Experimental study on the necessity and recovery of sulfur removal from a fluorocarbon-cerium rare earth ore associated with fluorite barite[J]. Multipurpose Utilization of Mineral Resources, 2019(6):45-48. doi: 10.3969/j.issn.1000-6532.2019.06.010
[6] 马隆飞, 廖寅飞, 贺玉程, 等. 赣州某萤石尾矿浮选柱分选实验研究[J]. 矿产综合利用, 2019(2):89-93. MA L F, LIAO Y F, HE Y C, et al. Experimental study on flotation column separation of a fluorite tailings in Ganzhou[J]. Multipurpose Utilization of Mineral Resources, 2019(2):89-93. doi: 10.3969/j.issn.1000-6532.2019.02.018
[7] 陈雅, 胡明川, 韦权锋, 等. 江西香炉山钨尾矿中萤石综合回收技术的研究[J]. 有色金属(选矿部分), 2018(5):64-71. CHEN Y, HU M C, WEI Q F, et al. Research on comprehensive recovery technology of fluorite from Xianglushan tungsten tailings in Jiangxi[J]. Nonferrous Metals (Mineral Processing Section), 2018(5):64-71.
[8] 宁江峰, 李茂林, 崔瑞, 等. ZnSO4•7H2O与水玻璃组合抑制剂对萤石、方解石浮选分离的影响[J]. 矿产综合利用, 2020(6):186-192. NING J F, LI M L, CUI R, et al. Effect of ZnSO4•7H2O and sodium silicate as combination inhibitors on flotation separation of fluorite and calcite[J]. Multipurpose Utilization of Mineral Resources, 2020(6):186-192. doi: 10.3969/j.issn.1000-6532.2020.06.031
[9] 张国范, 邓红, 魏克帅, 等. 酸化水玻璃对萤石与方解石浮选分离作用研究[J]. 有色金属(选矿部分), 2014(1):80-82. ZHANG G F, DENG H, WEI K S, et al. Study on the flotation deparation of fluorite and calcite by acidified water glass[J]. Nonferrous Metals (Mineral Processing Section), 2014(1):80-82.
[10] 曹钊, 屈奇奇, 曹永丹, 等. 不同类型萤石矿浮选工艺技术现状与进展[J]. 金属矿山, 2017(7):8-12. CAO Z, QU Q Q, CAO Y D, et al. Status and progress of flotation technology for different types of fluorite ore[J]. Metal Mine, 2017(7):8-12. doi: 10.3969/j.issn.1001-1250.2017.07.002
-
图(8)
表(5)
计量
- 文章访问数: 420
- PDF下载数: 1
- 施引文献: 0