CN114015866B - 基于悬浮焙烧炉与熔融还原炉直连的铁矿冶炼方法和装置 - Google Patents
基于悬浮焙烧炉与熔融还原炉直连的铁矿冶炼方法和装置 Download PDFInfo
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- CN114015866B CN114015866B CN202111172048.7A CN202111172048A CN114015866B CN 114015866 B CN114015866 B CN 114015866B CN 202111172048 A CN202111172048 A CN 202111172048A CN 114015866 B CN114015866 B CN 114015866B
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- furnace
- iron ore
- suspension roasting
- smelting
- roasting furnace
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 518
- 239000000725 suspension Substances 0.000 title claims abstract description 289
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 243
- 238000003723 Smelting Methods 0.000 title claims abstract description 239
- 230000009467 reduction Effects 0.000 title claims abstract description 228
- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 claims abstract description 173
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 34
- 239000003245 coal Substances 0.000 claims abstract description 32
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 239000003034 coal gas Substances 0.000 claims abstract description 13
- 238000006722 reduction reaction Methods 0.000 claims description 243
- 239000007789 gas Substances 0.000 claims description 179
- 239000000428 dust Substances 0.000 claims description 66
- 238000006243 chemical reaction Methods 0.000 claims description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000002699 waste material Substances 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 230000001276 controlling effect Effects 0.000 claims description 16
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003345 natural gas Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009628 steelmaking Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 239000004566 building material Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000001465 metallisation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 10
- 239000000155 melt Substances 0.000 description 7
- 239000002893 slag Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/10—Roasting processes in fluidised form
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/008—Use of special additives or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN202111172048.7A CN114015866B (zh) | 2021-10-08 | 2021-10-08 | 基于悬浮焙烧炉与熔融还原炉直连的铁矿冶炼方法和装置 |
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CN202111172048.7A CN114015866B (zh) | 2021-10-08 | 2021-10-08 | 基于悬浮焙烧炉与熔融还原炉直连的铁矿冶炼方法和装置 |
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CN114015866A CN114015866A (zh) | 2022-02-08 |
CN114015866B true CN114015866B (zh) | 2023-06-23 |
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CN202111172048.7A Active CN114015866B (zh) | 2021-10-08 | 2021-10-08 | 基于悬浮焙烧炉与熔融还原炉直连的铁矿冶炼方法和装置 |
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Citations (5)
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---|---|---|---|---|
US4027863A (en) * | 1976-07-23 | 1977-06-07 | Outokumpu Oy | Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates |
EP0508542A2 (en) * | 1991-04-12 | 1992-10-14 | METALLGESELLSCHAFT Aktiengesellschaft | Process for treating ore having recoverable metal values including arsenic containing components |
CN207452218U (zh) * | 2017-11-20 | 2018-06-05 | 徐州贝克福尔节能环保技术有限公司 | 一种悬浮预热熔融还原镍铁生产设备 |
CN110592368A (zh) * | 2019-09-24 | 2019-12-20 | 东北大学 | 一种小型连续悬浮焙烧装置 |
CN111500854A (zh) * | 2020-05-29 | 2020-08-07 | 东北大学 | 一种工业化处理铁锰矿石的悬浮焙烧系统及方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2627590B2 (ja) * | 1991-11-20 | 1997-07-09 | 川崎重工業株式会社 | 溶融還元装置 |
CA2723347C (en) * | 2009-12-04 | 2018-01-02 | Tata Consultancy Services Limited | On-line optimization of induration of wet iron ore pellets on a moving grate |
CN102364404A (zh) * | 2011-11-04 | 2012-02-29 | 沈阳铝镁设计研究院有限公司 | 预焙阳极的生产工艺控制方法 |
CN104894321B (zh) * | 2015-04-03 | 2016-08-24 | 钢铁研究总院 | 一种厚渣层熔融还原炼铁的方法及系统 |
CN108088250B (zh) * | 2016-11-23 | 2020-03-17 | 中冶长天国际工程有限责任公司 | 一种带式焙烧机热工系统及其控制方法 |
CN106755657A (zh) * | 2016-12-10 | 2017-05-31 | 东北大学 | 一种含钛混合熔渣冶金熔融还原回收的方法 |
CN207552397U (zh) * | 2017-11-20 | 2018-06-29 | 徐州贝克福尔节能环保技术有限公司 | 一种铁矿流态化悬浮预热预还原装置 |
CN111551032B (zh) * | 2020-05-15 | 2021-05-04 | 西安交通大学 | 一种基于气体喷吹的烧结在线调控方法及系统 |
CN111589563B (zh) * | 2020-05-29 | 2021-07-27 | 东北大学 | 一种铁尾矿悬浮焙烧提铁的装置及方法 |
CN212778705U (zh) * | 2020-07-31 | 2021-03-23 | 河南科达东大国际工程有限公司 | 一种基于气态悬浮焙烧炉生产装置的闭环控制系统 |
CN213515039U (zh) * | 2020-11-16 | 2021-06-22 | 广东粤桥新材料科技有限公司 | 焙烧窑供热系统及焙烧装置 |
CN112410494B (zh) * | 2020-11-17 | 2021-07-16 | 东北大学 | 一种可应用细粒度粉矿的悬浮熔融还原炼铁装置及炼铁方法 |
-
2021
- 2021-10-08 CN CN202111172048.7A patent/CN114015866B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027863A (en) * | 1976-07-23 | 1977-06-07 | Outokumpu Oy | Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates |
EP0508542A2 (en) * | 1991-04-12 | 1992-10-14 | METALLGESELLSCHAFT Aktiengesellschaft | Process for treating ore having recoverable metal values including arsenic containing components |
CN207452218U (zh) * | 2017-11-20 | 2018-06-05 | 徐州贝克福尔节能环保技术有限公司 | 一种悬浮预热熔融还原镍铁生产设备 |
CN110592368A (zh) * | 2019-09-24 | 2019-12-20 | 东北大学 | 一种小型连续悬浮焙烧装置 |
CN111500854A (zh) * | 2020-05-29 | 2020-08-07 | 东北大学 | 一种工业化处理铁锰矿石的悬浮焙烧系统及方法 |
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Effective date of registration: 20240320 Address after: 122629 Chaoyang Liucheng Economic Development Zone, Chaoyang County, Chaoyang City, Liaoning Province Patentee after: Chaoyang Fengshi Mining Technology Co.,Ltd. Country or region after: China Address before: 201615 room 211, building 21, 1158 Central Road, Jiuting Town, Songjiang District, Shanghai Patentee before: Shanghai Fengshi Technology Co.,Ltd. Country or region before: China |
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Address after: 122629 Chaoyang Liucheng Economic Development Zone, Chaoyang County, Chaoyang City, Liaoning Province Patentee after: Chaoyang Fengshi Mining and Metallurgy Technology Co.,Ltd. Country or region after: China Address before: 122629 Chaoyang Liucheng Economic Development Zone, Chaoyang County, Chaoyang City, Liaoning Province Patentee before: Chaoyang Fengshi Mining Technology Co.,Ltd. Country or region before: China |
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