CN107350157B - 一种微细粒低品位磁铁矿的阶段磨矿、阶段选别新方法 - Google Patents
一种微细粒低品位磁铁矿的阶段磨矿、阶段选别新方法 Download PDFInfo
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- CN107350157B CN107350157B CN201710624923.8A CN201710624923A CN107350157B CN 107350157 B CN107350157 B CN 107350157B CN 201710624923 A CN201710624923 A CN 201710624923A CN 107350157 B CN107350157 B CN 107350157B
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- Prior art keywords
- magnetic
- tailing
- concentrate
- magnetic separation
- concentration
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- 238000000227 grinding Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 40
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000012141 concentrate Substances 0.000 claims abstract description 54
- 238000007885 magnetic separation Methods 0.000 claims abstract description 54
- 239000006148 magnetic separator Substances 0.000 claims abstract description 37
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000010334 sieve classification Methods 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 5
- 239000004566 building material Substances 0.000 claims abstract description 4
- 238000010494 dissociation reaction Methods 0.000 claims description 5
- 230000005593 dissociations Effects 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 123
- 229910052742 iron Inorganic materials 0.000 abstract description 59
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010410 dusting Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000001839 systemic circulation Effects 0.000 description 4
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 3
- 229910052635 ferrosilite Inorganic materials 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
Abstract
Description
元素名称 | TFe | FeO | SiO<sub>2</sub> | Al<sub>2</sub>O<sub>3</sub> |
含量 | 33.47 | 12.34 | 47.47 | 0.64 |
元素名称 | CaO | MgO | S | P |
含量 | 0.71 | 1.18 | 0.10 | 0.03 |
铁相名称 | 铁相含铁量 | 占有率 |
磁铁矿之铁 | 24.31 | 73.66 |
赤褐铁矿之铁 | 4.51 | 13.65 |
碳酸矿之铁 | 1.75 | 5.30 |
硅酸铁之铁 | 1.86 | 5.62 |
硫化铁之铁 | 0.59 | 1.77 |
全铁 | 33.01 | 100.00 |
铁相名称 | 铁相含铁量 | 占有率 |
磁铁矿之铁 | 6.82 | 34.29 |
赤褐铁矿之铁 | 8.87 | 44.60 |
碳酸铁之铁 | 2.51 | 12.62 |
硅酸铁之铁 | 1.43 | 7.19 |
硫化铁之铁 | 0.26 | 1.31 |
全铁 | 19.89 | 100.00 |
铁相名称 | 铁相含铁量(%) | 占有率(%) |
磁铁矿之铁 | 1.85 | 10.84 |
赤褐铁矿之铁 | 5.07 | 29.70 |
碳酸铁之铁 | 4.43 | 25.95 |
硅酸铁之铁 | 5.58 | 32.69 |
硫化铁之铁 | 0.14 | 0.82 |
全铁 | 17.07 | 100.00 |
Claims (3)
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CN201710624923.8A CN107350157B (zh) | 2017-07-27 | 2017-07-27 | 一种微细粒低品位磁铁矿的阶段磨矿、阶段选别新方法 |
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CN201710624923.8A CN107350157B (zh) | 2017-07-27 | 2017-07-27 | 一种微细粒低品位磁铁矿的阶段磨矿、阶段选别新方法 |
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CN107350157A CN107350157A (zh) | 2017-11-17 |
CN107350157B true CN107350157B (zh) | 2019-08-06 |
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108283988B (zh) * | 2018-02-09 | 2020-03-31 | 鞍钢集团矿业设计研究院有限公司 | 阶段磨矿磁重流程处理混合型铁矿石工艺 |
CN108355827A (zh) * | 2018-02-09 | 2018-08-03 | 鞍钢集团矿业设计研究院有限公司 | 连续磨矿磁重流程处理混合型铁矿石工艺 |
CN108355828A (zh) * | 2018-02-09 | 2018-08-03 | 鞍钢集团矿业设计研究院有限公司 | 连续磨矿全永磁短流程处理混合型铁矿石工艺 |
CN108554629A (zh) * | 2018-03-29 | 2018-09-21 | 安徽马钢张庄矿业有限责任公司 | 铁精粉提质降硅选矿工艺 |
CN108393191A (zh) * | 2018-04-25 | 2018-08-14 | 马钢(集团)控股有限公司 | 一种新型的磁铁矿选别工艺 |
CN108993756A (zh) * | 2018-07-05 | 2018-12-14 | 鞍钢集团矿业有限公司 | 磁铁矿半自磨预选-阶段磨矿-塔磨磁选工艺 |
CN108993757A (zh) * | 2018-07-05 | 2018-12-14 | 鞍钢集团矿业有限公司 | 磁铁矿半自磨预选-阶段磨矿-细筛塔磨磁选工艺 |
CN109351467B (zh) * | 2018-09-20 | 2020-07-28 | 鞍钢集团矿业有限公司 | 一种基于铁矿物嵌布粒度处理磁赤混合矿石的分选工艺 |
CN109894267B (zh) * | 2019-03-20 | 2020-05-19 | 中钢集团马鞍山矿山研究院有限公司 | 磁-赤混合铁矿石的磁-重分选方法 |
CN109821653A (zh) * | 2019-03-27 | 2019-05-31 | 辽宁科技大学 | 一种磁选柱与离心机组合技术选别贫磁铁矿工艺 |
CN110523504A (zh) * | 2019-08-21 | 2019-12-03 | 安徽金安矿业有限公司 | 一种闭路循环的二段磨矿方法 |
CN112295722A (zh) * | 2020-08-18 | 2021-02-02 | 安徽金安矿业有限公司 | 一种优质磁铁矿铁精矿差异化生产方法 |
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US3672579A (en) * | 1970-08-10 | 1972-06-27 | Univ Minnesota | Process for beneficiating magnetite iron ore |
CN103041920A (zh) * | 2012-12-19 | 2013-04-17 | 太原钢铁(集团)有限公司 | 一种适合于贫磁铁矿的选矿方法和选矿系统 |
CN103272694A (zh) * | 2013-06-13 | 2013-09-04 | 鞍钢集团矿业公司 | 鞍山式贫磁铁矿磁-重选矿工艺 |
CN103406197A (zh) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | 从贫磁铁矿尾矿中选别铁精矿的工艺 |
CN104815736A (zh) * | 2015-03-19 | 2015-08-05 | 中钢集团马鞍山矿山研究院有限公司 | 一种含磁铁矿围岩的预选工艺 |
CN104959228A (zh) * | 2015-07-24 | 2015-10-07 | 段风梅 | 一种能够降低磨矿细度的贫磁铁矿选矿方法 |
CN106000597A (zh) * | 2016-05-27 | 2016-10-12 | 鞍钢集团矿业公司 | 贫磁铁矿单一磁选—磁振机选别工艺 |
-
2017
- 2017-07-27 CN CN201710624923.8A patent/CN107350157B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US3672579A (en) * | 1970-08-10 | 1972-06-27 | Univ Minnesota | Process for beneficiating magnetite iron ore |
CN103041920A (zh) * | 2012-12-19 | 2013-04-17 | 太原钢铁(集团)有限公司 | 一种适合于贫磁铁矿的选矿方法和选矿系统 |
CN103272694A (zh) * | 2013-06-13 | 2013-09-04 | 鞍钢集团矿业公司 | 鞍山式贫磁铁矿磁-重选矿工艺 |
CN103406197A (zh) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | 从贫磁铁矿尾矿中选别铁精矿的工艺 |
CN104815736A (zh) * | 2015-03-19 | 2015-08-05 | 中钢集团马鞍山矿山研究院有限公司 | 一种含磁铁矿围岩的预选工艺 |
CN104959228A (zh) * | 2015-07-24 | 2015-10-07 | 段风梅 | 一种能够降低磨矿细度的贫磁铁矿选矿方法 |
CN106000597A (zh) * | 2016-05-27 | 2016-10-12 | 鞍钢集团矿业公司 | 贫磁铁矿单一磁选—磁振机选别工艺 |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |