CN102758046A - 一种短流程煤基直接还原铁的生产设备和方法 - Google Patents
一种短流程煤基直接还原铁的生产设备和方法 Download PDFInfo
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- CN102758046A CN102758046A CN2012101906989A CN201210190698A CN102758046A CN 102758046 A CN102758046 A CN 102758046A CN 2012101906989 A CN2012101906989 A CN 2012101906989A CN 201210190698 A CN201210190698 A CN 201210190698A CN 102758046 A CN102758046 A CN 102758046A
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- reduction furnace
- coal
- closed tin
- reduction
- reductive agent
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title abstract description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 33
- 230000002829 reductive effect Effects 0.000 claims abstract description 52
- 239000008188 pellet Substances 0.000 claims abstract description 44
- 239000003034 coal gas Substances 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 83
- 239000003795 chemical substances by application Substances 0.000 claims description 41
- 239000002253 acid Substances 0.000 claims description 25
- 238000005453 pelletization Methods 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 239000002802 bituminous coal Substances 0.000 claims description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 12
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 12
- 239000004571 lime Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 239000012256 powdered iron Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 2
- 235000012255 calcium oxide Nutrition 0.000 claims 1
- 239000000292 calcium oxide Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 238000004064 recycling Methods 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 91
- 239000007789 gas Substances 0.000 description 32
- 238000005516 engineering process Methods 0.000 description 16
- 101100537266 Caenorhabditis elegans tin-13 gene Proteins 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000011161 development Methods 0.000 description 6
- 229940095674 pellet product Drugs 0.000 description 6
- 238000005245 sintering Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 2
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- 238000010891 electric arc Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
固定碳 | 挥发分 | 灰分 | 硫份 | 水份 | 粒度 |
56≥ | 25~32 | ≤15.5 | ≤0.5 | <3 | 0~35mm |
CaO | 硫份 | 水份 | 杂质 | 粒度 |
≥93.00 | ≤0.10 | ≤3.9.00 | ≤3.0 | 3~5mm |
灰份 | 挥发份 | 固定碳 | 硫份 | 水份 | 粒度 |
13.00 | 28.00 | 57.00 | 0.45 | 1.55 | 0~6mm |
CaO | 硫份 | 水份 | 粒度 |
96.40 | 0.05 | 3.55 | 3~5 |
序号 | TFe(%) | MFe(%) | ηFe(%) | 备注 |
1 | 87.68 | 80.66 | 91.99 | |
2 | 88.02 | 82.12 | 93.29 |
序号 | TFe(%) | MFe(%) | ηFe(%) | 备注 |
1 | 88.11 | 82.56 | 93.70 | |
2 | 87.92 | 82.87 | 94.25 |
序号 | TFe(%) | MFe(%) | ηFe(%) | 备注 |
1 | 88.28 | 82.89 | 93.89 | |
2 | 88.12 | 83.17 | 94.38 |
Claims (5)
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CN201210190698.9A CN102758046B (zh) | 2012-03-20 | 2012-06-11 | 一种短流程煤基直接还原铁的生产设备和方法 |
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CN201210073615 | 2012-03-20 | ||
CN201210073615.8 | 2012-03-20 | ||
CN201210190698.9A CN102758046B (zh) | 2012-03-20 | 2012-06-11 | 一种短流程煤基直接还原铁的生产设备和方法 |
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CN102758046A true CN102758046A (zh) | 2012-10-31 |
CN102758046B CN102758046B (zh) | 2014-04-16 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102936653A (zh) * | 2012-11-23 | 2013-02-20 | 沈阳博联特熔融还原科技有限公司 | 一种高密度金属化球团的还原方法 |
CN103290161A (zh) * | 2013-05-21 | 2013-09-11 | 辽宁博联特冶金科技有限公司 | 难选矿、复合矿和含铁废料渣铁分离还原铁的设备及方法 |
CN104630408A (zh) * | 2015-02-13 | 2015-05-20 | 唐竹胜 | 一种煤基低温快速深度还原高密度金属化球团的方法 |
CN106755693A (zh) * | 2017-03-09 | 2017-05-31 | 江苏省冶金设计院有限公司 | 热装气基竖炉系统及方法 |
CN112877491A (zh) * | 2021-01-14 | 2021-06-01 | 益晖国际有限公司 | 一种竖式煤基、气基混合金属铁直接还原炉及其工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439307A (en) * | 1983-07-01 | 1984-03-27 | Dravo Corporation | Heating process gas for indirect shale oil retorting through the combustion of residual carbon in oil depleted shale |
CN1039620A (zh) * | 1988-07-19 | 1990-02-14 | 冶金工业部钢铁研究总院 | 用煤粉和铁矿粉直接冶炼铁水的方法 |
CN102010924A (zh) * | 2010-12-31 | 2011-04-13 | 中冶赛迪上海工程技术有限公司 | 一种用煤生产直接还原铁的方法 |
CN202717792U (zh) * | 2012-03-20 | 2013-02-06 | 沈阳博联特熔融还原科技有限公司 | 一种短流程生产直接还原铁的设备 |
-
2012
- 2012-06-11 CN CN201210190698.9A patent/CN102758046B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439307A (en) * | 1983-07-01 | 1984-03-27 | Dravo Corporation | Heating process gas for indirect shale oil retorting through the combustion of residual carbon in oil depleted shale |
CN1039620A (zh) * | 1988-07-19 | 1990-02-14 | 冶金工业部钢铁研究总院 | 用煤粉和铁矿粉直接冶炼铁水的方法 |
CN102010924A (zh) * | 2010-12-31 | 2011-04-13 | 中冶赛迪上海工程技术有限公司 | 一种用煤生产直接还原铁的方法 |
CN202717792U (zh) * | 2012-03-20 | 2013-02-06 | 沈阳博联特熔融还原科技有限公司 | 一种短流程生产直接还原铁的设备 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102936653A (zh) * | 2012-11-23 | 2013-02-20 | 沈阳博联特熔融还原科技有限公司 | 一种高密度金属化球团的还原方法 |
CN102936653B (zh) * | 2012-11-23 | 2014-05-07 | 沈阳博联特熔融还原科技有限公司 | 一种高密度金属化球团的还原方法 |
CN103290161A (zh) * | 2013-05-21 | 2013-09-11 | 辽宁博联特冶金科技有限公司 | 难选矿、复合矿和含铁废料渣铁分离还原铁的设备及方法 |
CN103290161B (zh) * | 2013-05-21 | 2015-07-01 | 辽宁博联特冶金科技有限公司 | 难选矿、复合矿和含铁废料渣铁分离还原铁的设备及方法 |
CN104630408A (zh) * | 2015-02-13 | 2015-05-20 | 唐竹胜 | 一种煤基低温快速深度还原高密度金属化球团的方法 |
CN106755693A (zh) * | 2017-03-09 | 2017-05-31 | 江苏省冶金设计院有限公司 | 热装气基竖炉系统及方法 |
CN112877491A (zh) * | 2021-01-14 | 2021-06-01 | 益晖国际有限公司 | 一种竖式煤基、气基混合金属铁直接还原炉及其工艺 |
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