攀西某超微细粒物料中钛铁矿选矿回收实验研究

邓建; 杨耀辉; 严伟平; 曾小波; 李维斯

doi:10.3969/j.issn.1000-6532.2023.04.004

攀西某超微细粒物料中钛铁矿选矿回收实验研究

中国地质科学院矿产综合利用研究所，自然资源部战略性矿产综合利用工程技术创新中心，四川　成都　610041

基金项目: 国家自然科学基金战略性矿产资源开发利用专项(2021YFC2900800); 中国地质调查局地质大调查项目(DD20230039)

详细信息

作者简介: 邓建（1994-），男，助理研究员，主要从事钒钛磁铁、萤石等战略矿产资源选矿技术与应用推广研究相关工作

中图分类号: TD952

收稿日期: 2023-06-18

刊出日期: 2023-08-25

Recovery of Ilmenite from an Ultrafine Fine Particle Material in Panxi

Institute of Multipurpose Utilization of Mineral Resources, CAGS, Technology Innovation Center for Comprehensive Utilization of Strategic Minerals Resources, Ministry of Natural Resources, Chengdu, Sichuan, China

Received Date: 18 June 2023

Publish Date: 25 August 2023

摘要

摘要:
这是一篇矿物加工工程领域的论文。本研究针对攀西某选厂超微细粒物料进行了超微细粒钛铁矿选矿回收实验研究，确定了强磁预富集-浮选的整体工艺流程，获得了优化的选矿回收工艺流程及条件参数，应用了适用于该类超微细粒钛铁矿回收的浮选药剂EM-A和EM326。结果表明，通过强磁预富集-浮选脱硫+浮选脱泥+一粗一扫五次精选中矿再选返回的选钛流程，最终可获得钛精矿产品TiO₂品位45.56%，回收率47.10%的良好指标，为该类超微细粒物料中钛铁矿资源回收提供了技术参考。
- 矿物加工工程 /
- 超微细粒物料 /
- 钛铁矿 /
- 选矿回收
Abstract:
This is an essay in the field of mineral processing engineering. This study conducted a test study on the recovery of Ilmenite from an Ultrafine Fine Particle Material in Panxi, determined the overall process flow of strong magnetic preconcentration flotation, obtained the optimized beneficiation and recovery process flow and condition parameters, and applied the flotation reagents EM-A and EM326 suitable for the recovery of this type of ultrafine ilmenite. Results show that through the titanium separation process of strong magnetic preconcentration flotation desulfurization + flotation desliming + one roughing and one sweeping five times of cleaning middlings in the beneficiation and return, the titanium concentrate product TiO₂ grade of 45.56% and the recovery rate of 47.10% can finally be obtained, which provides a technical reference for the recycling of titanium ilmenite in this kind of ultrafine materials.
- Mineral processing engineering /
- Ultrafine particle material /
- Ilmenite /
- Recovery

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图 1 磁场磁感应强度对物料的回收效果影响

Figure 1.

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图 2 脉冲大小对物料的回收效果影响

Figure 2.

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图 3 给矿浓度对物料的回收效果影响

Figure 3.

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图 4 不同预富集产品浮选效果对比

Figure 4.

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图 5 捕收剂种类对比实验

Figure 5.

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图 6 XC-B与EM326捕收剂对比实验

Figure 6.

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图 7 浮钛调整剂种类对比实验

Figure 7.

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图 8 浮钛捕收剂EM326用量实验

Figure 8.

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图 9 浮钛抑制剂EM-A用量实验

Figure 9.

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图 10 浮钛调整剂硫酸用量实验

Figure 10.

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图 11 脱泥作业对浮选指标的影响

Figure 11.

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图 12 浮选闭路实验流程

Figure 12.

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表 1 选钛给料X荧光光谱分析结果/%

Table 1. X-ray fluorescence spectrum analysis results of titanium mixture

TiO₂	Fe	MgO	SiO₂	Al₂O₃	P₂O₅	SO₃	K₂O	CaO	Na₂O	NiO	Co₃O₄	Cr₂O₃	MnO	Nb₂O₅	SrO
12.37	21.38	15.86	32.08	7.08	0.27	0.66	0.20	8.33	0.53	0.15	0.079	0.096	0.32	0.004	0.026

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表 2 选钛给料粒度分析结果

Table 2. Particle size analysis results of titanium separation mixture

产品名称/mm	产率/%	TiO₂品位/%	分布率/%
+0.015	8.39	11.21	7.60
-0.015+0.074	17.47	12.74	17.98
-0.074+0.038	8.70	11.36	7.98
-0.038+0.019	12.24	13.05	12.90
-0.019	53.20	12.46	53.54
给料	100.00	12.38	100.00

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表 3 入浮给料粒度组成及金属分布情况

Table 3. Particle size composition and metal distribution of floating feed

粒级/mm	产率/%		TiO₂ 品位/%	TiO₂ 分布率/%
粒级/mm	个别	累积	TiO₂ 品位/%	TiO₂ 分布率/%
+0.074	4.92	4.92	13.73	3.83
-0.074+0.038	12.78	17.70	14.84	10.74
-0.038+0.030	10.98	28.68	16.58	10.31
-0.030+0.019	21.22	49.90	16.94	20.36
-0.019+0.010	15.63	65.53	17.75	15.72
-0.010	34.47	100.00	20.00	39.04
合计	100.00		17.66	100.00

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表 4 浮选闭路实验结果

Table 4. Results of closed circuit flotation test

产品名称	中矿再选/%			顺序返回/%
产品名称	产率	品位	回收率	产率	品位	回收率
钛精矿	25.79	45.56	67.12	28.32	43.65	69.82
泥	8.57	17.42	8.53	8.38	17.84	8.44
硫精矿	8.86	16.76	8.48	9.09	16.58	8.51
尾矿1	41.76	4.72	11.26	54.21	4.32	13.23
尾矿2	15.02	5.37	4.61	54.21	4.32	13.23
原矿	100.00	17.50	100.00	100.00	17.70	100.00

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表 5 钛精矿化学多项分析结果/%

Table 5. Chemical multiple analysis results of titanium concentrate

TFe	FeO	Fe₂O₃	TiO₂	V₂O₅	Cu	Co	Ni	SiO₂	Al₂O₃	CaO	MgO	S	P₂O₅	K₂O	Na₂O
33.45	38.16	44.60	45.56	0.121	0.034	0.026	0.124	6.403	1.726	1.860	4.771	0.162	0.078	0.036	0.101

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表 6 钛精矿粒度组成及金属分布情况

Table 6. Particle size composition and metal distribution of titanium concentrate

粒级/mm	产率/%	品位/%	分布率/%
+0.038	3.76	45.53	3.76
-0.038+0.030	8.05	46.81	8.27
-0.030+0.019	17.47	46.89	17.99
-0.019+0.010	22.17	45.32	22.07
-0.010	48.55	44.92	47.91
合计	100.00	45.53	100.00

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攀西某超微细粒物料中钛铁矿选矿回收实验研究

中国地质科学院矿产综合利用研究所，自然资源部战略性矿产综合利用工程技术创新中心，四川 成都 610041

作者简介: 邓建（1994-），男，助理研究员，主要从事钒钛磁铁、萤石等战略矿产资源选矿技术与应用推广研究相关工作

Recovery of Ilmenite from an Ultrafine Fine Particle Material in Panxi

Institute of Multipurpose Utilization of Mineral Resources, CAGS, Technology Innovation Center for Comprehensive Utilization of Strategic Minerals Resources, Ministry of Natural Resources, Chengdu, Sichuan, China

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中国地质科学院矿产综合利用研究所，自然资源部战略性矿产综合利用工程技术创新中心，四川　成都　610041