CN104451132B - 还原含磷铁矿石的方法 - Google Patents
还原含磷铁矿石的方法 Download PDFInfo
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- CN104451132B CN104451132B CN201410687824.0A CN201410687824A CN104451132B CN 104451132 B CN104451132 B CN 104451132B CN 201410687824 A CN201410687824 A CN 201410687824A CN 104451132 B CN104451132 B CN 104451132B
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- Prior art keywords
- phosphorus
- ore
- carried out
- ore pellets
- containing iron
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 61
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 60
- 239000011574 phosphorus Substances 0.000 title claims abstract description 60
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 47
- 239000008188 pellet Substances 0.000 claims abstract description 63
- 238000005453 pelletization Methods 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 35
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 35
- 239000011707 mineral Substances 0.000 claims abstract description 35
- 235000019738 Limestone Nutrition 0.000 claims abstract description 30
- 239000006028 limestone Substances 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 30
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 9
- 230000001186 cumulative effect Effects 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 3
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 abstract description 11
- 238000001465 metallisation Methods 0.000 abstract description 10
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000000843 powder Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910052595 hematite Inorganic materials 0.000 description 5
- 239000011019 hematite Substances 0.000 description 5
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- -1 wherein Substances 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- 229910052611 pyroxene Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
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CN201410687824.0A CN104451132B (zh) | 2014-11-25 | 2014-11-25 | 还原含磷铁矿石的方法 |
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CN201410687824.0A CN104451132B (zh) | 2014-11-25 | 2014-11-25 | 还原含磷铁矿石的方法 |
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CN104451132A CN104451132A (zh) | 2015-03-25 |
CN104451132B true CN104451132B (zh) | 2017-06-06 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105907947B (zh) * | 2016-06-03 | 2018-08-28 | 江苏省冶金设计院有限公司 | 制备铁粉的方法和制备铁粉的系统 |
CN113403471B (zh) * | 2021-06-23 | 2023-03-10 | 中钢设备有限公司 | 一种高磷鲕状铁矿的处理方法 |
CN115594158A (zh) * | 2022-12-01 | 2023-01-13 | 云南布兰特化工有限公司(Cn) | 利用硅热还原从磷酸盐中制备黄磷的方法及应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102912119A (zh) * | 2012-10-23 | 2013-02-06 | 鞍钢股份有限公司 | 一种防止自熔性球团矿焙烧粘结的方法 |
CN103667572A (zh) * | 2013-12-09 | 2014-03-26 | 东北大学 | 一种高铬型钒钛磁铁矿气基竖炉直接还原冶炼方法 |
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UA96505C2 (ru) * | 2007-09-14 | 2011-11-10 | Ниппон Стил Корпорейшен | Способ получения восстановленных железных окатышей и способ производства передельного чугуна |
CN202063975U (zh) * | 2011-03-30 | 2011-12-07 | 鞍钢股份有限公司 | 一种防止精矿漏子挂料装置 |
CN102559976B (zh) * | 2011-12-20 | 2015-11-25 | 辽宁博联特冶金科技有限公司 | 一种以低品位高磷铁矿为原料制取直接还原铁的方法 |
CN103290158B (zh) * | 2013-05-29 | 2015-02-25 | 北京科技大学 | 一种利用生物质木炭实现鲕状高磷铁矿脱磷的方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102912119A (zh) * | 2012-10-23 | 2013-02-06 | 鞍钢股份有限公司 | 一种防止自熔性球团矿焙烧粘结的方法 |
CN103667572A (zh) * | 2013-12-09 | 2014-03-26 | 东北大学 | 一种高铬型钒钛磁铁矿气基竖炉直接还原冶炼方法 |
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Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Method for reducing phosphorus-containing iron ore Effective date of registration: 20180322 Granted publication date: 20170606 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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