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印尼海滨砂矿与攀西钒钛磁铁矿选铁差异性研究

王洪彬 刘志雄 祝勇涛 陈碧 张旺

王洪彬, 刘志雄, 祝勇涛, 陈碧, 张旺. 印尼海滨砂矿与攀西钒钛磁铁矿选铁差异性研究[J]. 钢铁钒钛, 2022, 43(3): 84-90. doi: 10.7513/j.issn.1004-7638.2022.03.014
引用本文: 王洪彬, 刘志雄, 祝勇涛, 陈碧, 张旺. 印尼海滨砂矿与攀西钒钛磁铁矿选铁差异性研究[J]. 钢铁钒钛, 2022, 43(3): 84-90. doi: 10.7513/j.issn.1004-7638.2022.03.014
Wang Hongbin, Liu Zhixiong, Zhu Yongtao, Chen Bi, Zhang Wang. Study on the difference of iron separation between Indonesian beach placer and Panxi vanadium-titanium magnetite[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 84-90. doi: 10.7513/j.issn.1004-7638.2022.03.014
Citation: Wang Hongbin, Liu Zhixiong, Zhu Yongtao, Chen Bi, Zhang Wang. Study on the difference of iron separation between Indonesian beach placer and Panxi vanadium-titanium magnetite[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 84-90. doi: 10.7513/j.issn.1004-7638.2022.03.014

印尼海滨砂矿与攀西钒钛磁铁矿选铁差异性研究

doi: 10.7513/j.issn.1004-7638.2022.03.014
详细信息
    作者简介:

    王洪彬(1979—),男,四川仁寿人,教授级高工,主要从事钒钛磁铁矿选矿设计研究,E-mail:41666722@qq.com

    通讯作者:

    刘志雄(1966—),男,四川泸州人,高级工程师,主要从事钒钛磁铁矿选矿设计研究,E-mail: 2152035205@qq.com

  • 中图分类号: TD924

Study on the difference of iron separation between Indonesian beach placer and Panxi vanadium-titanium magnetite

  • 摘要: 以攀西某钒钛磁铁矿干抛尾矿作对比样,开展印尼海滨砂矿和攀西钒钛磁铁矿的选铁试验研究。结果表明:获得TFe品位相当铁精矿时,印尼海滨砂矿选铁工艺流程较攀西钒钛磁铁矿简单,估算印尼铁精矿选矿成本较攀西铁精矿的低约80元/t,印尼铁精矿S含量0.042%,能降低冶炼脱硫成本;印尼海滨砂矿选铁尾矿中钛无利用价值,印尼铁精矿Cl含量0.012%,需特别关注其对高炉的腐蚀。研究成果为今后印尼海滨砂矿资源的利用提供数据支撑和技术支持。
  • 图  1  印尼矿、攀西矿中钛磁铁矿赋存状态

    Figure  1.  Occurrence of titanomagnetite in Indonesian and Panxi ores

    表  1  试样化学多元素分析结果

    Table  1.   Results of chemical multi-element analysis of samples %

    矿种TFeFeOFe2O3TiO2V2O5CaOMgOAl2O3SiO2S
    印尼矿18.3611.3214.943.180.1868.0218.343.8037.960.016
    攀西矿15.4812.658.066.130.1249.776.2212.8537.910.320
    下载: 导出CSV

    表  2  试样全粒级筛析结果

    Table  2.   Results of full size sieve analysis

    粒级/mm产率/%TFe品位/%TiO2品位/%TFe分布率/%TiO2分布率/%
    印尼矿攀西矿印尼矿攀西矿印尼矿攀西矿印尼矿攀西矿印尼矿攀西矿
    +218.9713.614.8916.5815.26
    -2~+0.9014.8314.515.6713.8213.84
    -0.90~+0.404.2118.729.7914.651.035.752.2717.611.3817.72
    -0.40~+0.2530.378.8712.5015.921.396.3120.909.0713.399.21
    -0.25~+0.1845.357.0015.9216.562.396.6939.757.4434.387.70
    -0.18~+0.15411.302.5130.1916.957.047.0518.792.7425.242.92
    -0.154~+0.1256.566.7536.8417.458.967.1113.307.5618.637.90
    -0.125~+0.102.211.2341.0317.799.997.474.991.416.991.51
    -0.10~+0.0744.9317.657.095.585.75
    -0.07416.2117.476.8218.1918.19
    合计100.00100.0018.1615.573.156.08100.00100.00100.00100.00
    下载: 导出CSV

    表  3  主要矿物含量及单体解离度测定结果

    Table  3.   Determination results of main mineral content and monomer dissociation degree

    矿种质量分数/% 单体解离度/%
    钛磁
    铁矿
    钛铁矿硫化物脉石钛磁
    铁矿
    钛铁矿硫化物脉石
    印尼矿22.422.470.3476.4782.9260.897.3684.27
    攀西矿9.536.711.8781.8931.2626.9248.7879.19
    下载: 导出CSV

    表  4  印尼矿磨选试验结果

    Table  4.   Test results of Indonesian mine grinding

    磨矿时间
    /min
    −0.074 mm含量/%产品产率/%品位/%回收率/%
    TFeTiO2TFeTiO2
    00精矿17.8443.518.8643.1151.12
    尾矿82.1612.471.8456.8948.88
    给矿100.0018.393.13100.00100.00
    1080.60精矿13.8454.2710.6440.8447.05
    尾矿86.1612.631.9259.1652.95
    给矿100.0018.393.13100.00100.00
    1595.40精矿13.1855.4810.6639.7644.89
    尾矿86.8212.761.9960.2455.03
    给矿100.0018.393.13100.00100.00
    2099.40精矿12.5156.4010.6838.3742.69
    尾矿87.4912.962.0561.6358.11
    给矿100.0018.393.13100.00100.00
    下载: 导出CSV

    表  5  攀西矿一段磨选试验结果

    Table  5.   Test results of primary grinding in Panxi mine

    磨矿时间
    /min
    −0.074 mm含量/%产品产率/%品位/%回收率/%
    TFeTiO2TFeTiO2
    016.21精矿37.0023.537.8156.2447.14
    尾矿63.0010.755.1443.7652.86
    给矿100.0015.486.13100.00100.00
    335.40精矿21.1236.399.4249.6532.46
    尾矿78.889.885.2550.3467.54
    给矿100.0015.486.13100.00100.00
    550.10精矿18.8140.179.5748.8129.37
    尾矿81.199.765.3351.1970.63
    给矿100.0015.486.13100.00100.00
    764.00精矿16.1944.509.8246.5425.94
    尾矿83.819.875.4253.4674.06
    给矿100.0015.486.13100.00100.00
    下载: 导出CSV

    表  6  攀西矿二段磨选试验结果

    Table  6.   Test results of secondary grinding in Panxi mine

    磨矿时间/min−0.074 mm含量/%产品产率/%品位/%回收率/%
    TFeTiO2TFeTiO2
    376.50精矿57.6252.4810.3383.1063.19
    尾矿42.3814.518.1816.9036.81
    给矿100.0036.399.42100.00100.00
    583.70精矿55.8553.2710.3481.7561.30
    尾矿44.1515.048.2618.2538.70
    给矿100.0036.399.42100.00100.00
    790.00精矿54.0854.1510.3580.4759.42
    尾矿45.9215.478.3219.5340.58
    给矿100.0036.399.42100.00100.00
    993.60精矿53.5454.2610.3779.8358.94
    尾矿46.4615.808.3320.1741.06
    给矿100.0036.399.42100.00100.00
    下载: 导出CSV

    表  7  流程与指标比较结果

    Table  7.   Comparison of processes and indicators %

    流程指标磨矿细度
    (−0.074 mm含量)
    产品产率TFe品位TiO2品位TFe回收率
    印尼矿一段磨选精矿13.8454.2710.6440.8480.60
    尾矿86.1612.591.9859.16
    攀西矿“破碎+两段阶磨阶选”精矿11.4254.1510.3539.9590.00
    尾矿88.5810.495.5960.05
    下载: 导出CSV

    表  8  选铁成本估算结果

    Table  8.   Estimated results of iron selection cost

    工序印尼矿攀西矿
    单位成本/(元·t−1)给矿/t工序成本/元单位成本/(元·t−1)给矿/t工序成本/元
    破碎000515
    一段磨选1811812112
    二段磨选000150.21123.1680
    尾矿处理20.86161.723260.88585.3148
    过滤50.13840.692050.11420.5710
    单位原矿成本20.4226.05
    单位精矿成本147.51228.14
    下载: 导出CSV

    表  9  精矿化学多元素分析结果

    Table  9.   Results of chemical multi-element analysis of concentrate %

    矿种TFeFeOFe2O3TiO2V2O5CaO
    印尼精矿54.2729.0845.2710.640.680.72
    攀西精矿54.1531.4743.3410.350.611.16
    差值0.12−2.391.930.290.07−0.44
    矿种MgOAl2O3SiO2SPCl
    印尼精矿3.723.674.600.0420.0270.012
    攀西精矿2.243.704.530.2600.0040
    差值1.48−0.030.07−0.2180.0230.012
    下载: 导出CSV
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  • 收稿日期:  2021-10-20
  • 刊出日期:  2022-06-30

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