FI2895630T3 - METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS - Google Patents
METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS Download PDFInfo
- Publication number
- FI2895630T3 FI2895630T3 FIEP13763210.5T FI13763210T FI2895630T3 FI 2895630 T3 FI2895630 T3 FI 2895630T3 FI 13763210 T FI13763210 T FI 13763210T FI 2895630 T3 FI2895630 T3 FI 2895630T3
- Authority
- FI
- Finland
- Prior art keywords
- hydrogen
- carbon
- energy
- intermediate product
- case
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 38
- 229910052742 iron Inorganic materials 0.000 title claims description 20
- 238000011946 reduction process Methods 0.000 title claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 50
- 239000001257 hydrogen Substances 0.000 claims description 50
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 43
- 239000013067 intermediate product Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 31
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 25
- 230000001172 regenerating effect Effects 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000012159 carrier gas Substances 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010310 metallurgical process Methods 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012108631 | 2012-09-14 | ||
| DE201210109284 DE102012109284A1 (de) | 2012-09-14 | 2012-09-28 | Verfahren zum Erzeugen von Stahl und Verfahren zum Speichern diskontinuierlich anfallender Energie |
| DE102013104002.0A DE102013104002A1 (de) | 2013-04-19 | 2013-04-19 | Verfahren zum Aufheizen von Prozessgasen für Direktreduktionsanlagen |
| PCT/EP2013/068727 WO2014040990A2 (de) | 2012-09-14 | 2013-09-10 | Verfahren zum speichern diskontinuierlich anfallender energie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI2895630T3 true FI2895630T3 (en) | 2023-08-15 |
Family
ID=50277660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FIEP13763210.5T FI2895630T3 (en) | 2012-09-14 | 2013-09-10 | METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS |
Country Status (8)
| Country | Link |
|---|---|
| US (3) | US20150329931A1 (enExample) |
| EP (3) | EP2895631B1 (enExample) |
| JP (3) | JP2015529751A (enExample) |
| KR (3) | KR20150063075A (enExample) |
| CN (3) | CN104662177A (enExample) |
| ES (2) | ES2952386T3 (enExample) |
| FI (1) | FI2895630T3 (enExample) |
| WO (3) | WO2014040990A2 (enExample) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI2895630T3 (en) | 2012-09-14 | 2023-08-15 | Voestalpine Stahl Gmbh | METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS |
| CN107058749A (zh) * | 2016-12-27 | 2017-08-18 | 武汉钢铁有限公司 | 利用竖炉脱除瓦斯泥中锌与铅的装置及其方法 |
| EP3581663A1 (de) | 2018-06-12 | 2019-12-18 | Primetals Technologies Austria GmbH | Herstellung von karburiertem eisenschwamm mittels wasserstoffbasierter direktreduktion |
| DE102018211104A1 (de) * | 2018-07-05 | 2020-01-09 | Thyssenkrupp Ag | Verfahren und Einrichtung zum Betrieb einer Produktionsanlage |
| EP3670676A1 (de) | 2018-12-17 | 2020-06-24 | Primetals Technologies Austria GmbH | Verfahren und vorrichtung zur direktreduktion mit elektrisch aufgeheiztem reduktionsgas |
| CN111910036B (zh) * | 2019-05-10 | 2022-05-03 | 中冶长天国际工程有限责任公司 | 一种利用生物质还原钒钛磁铁矿联产高品质合成气的方法 |
| IT201900008019A1 (it) * | 2019-06-04 | 2020-12-04 | Tenova Spa | Metodo e sistema per la produzione di acciaio o di materiali fusi contenenti ferro a emissioni ridotte |
| MY196514A (en) | 2019-06-06 | 2023-04-18 | Midrex Technologies Inc | Direct Reduction Process Utilizing Hydrogen |
| US11952638B2 (en) * | 2019-09-27 | 2024-04-09 | Midrex Technologies, Inc. | Direct reduction process utilizing hydrogen |
| SE2030072A1 (en) * | 2020-03-10 | 2021-09-11 | Hybrit Development Ab | Methanol as hydrogen carier in H-DRI process |
| WO2021220555A1 (ja) * | 2020-04-27 | 2021-11-04 | Ｊｆｅスチール株式会社 | 製鉄設備および還元鉄の製造方法 |
| SE546651C2 (en) | 2020-05-04 | 2025-01-07 | Hybrit Development Ab | Process for the production of carburized sponge iron |
| CA3183683A1 (en) | 2020-05-20 | 2021-11-25 | Luossavaara Kiirunavaara Ab | Raise caving method for mining deposits, and a mining infrastructure, monitoring system, machinery, control system and data medium therefor |
| DE102020116425A1 (de) | 2020-06-22 | 2021-12-23 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung von Rohstahl mit niedrigem N-Gehalt |
| IT202000015472A1 (it) * | 2020-06-26 | 2021-12-26 | Danieli Off Mecc | Impianto di riduzione diretta e relativo processo |
| EP3954786A1 (de) * | 2020-08-12 | 2022-02-16 | ThyssenKrupp Steel Europe AG | Verfahren zur herstellung von rohstahl und aggregat zu dessen herstellung |
| SE546002C2 (en) | 2020-10-22 | 2024-04-09 | Luossavaara Kiirunavaara Ab | A blasting system and a method of explosive material charging |
| SE545336C2 (en) | 2020-10-22 | 2023-07-04 | Luossavaara Kiirunavaara Ab | A charging device and a method of preparing the charging device with explosive material, an autonomous or semi-automatic vehicle for charging the charging device, and a data medium for storing a program for controlling charging of the charging device |
| SE546026C2 (en) | 2020-10-22 | 2024-04-16 | Luossavaara Kiirunavaara Ab | Detonator support device and method of charging a blasthole |
| CN114525518B (zh) * | 2020-11-09 | 2023-01-31 | 中国石油大学(北京) | 一种利用可再生能源电的方法 |
| SE545311C2 (en) | 2020-11-25 | 2023-06-27 | Hybrit Development Ab | Process for the production of carburized sponge iron |
| SE546387C2 (en) * | 2021-01-22 | 2024-10-22 | Hybrit Development Ab | Arrangement and process for charging iron ore to, and/or discharging sponge iron from, a direct reduction shaft |
| SE2150180A1 (en) * | 2021-02-19 | 2022-08-20 | Luossavaara Kiirunavaara Ab | Metal oxide material reduction means |
| JP7533321B2 (ja) * | 2021-03-31 | 2024-08-14 | Ｊｆｅスチール株式会社 | 還元鉄の製造方法および還元鉄の製造装置 |
| KR20240007225A (ko) * | 2021-05-18 | 2024-01-16 | 아르셀러미탈 | 직접환원철 제조 방법 및 dri 제조 설비 |
| WO2022243726A1 (en) * | 2021-05-18 | 2022-11-24 | Arcelormittal | A method for manufacturing direct reduced iron |
| CN117337336A (zh) * | 2021-05-18 | 2024-01-02 | 安赛乐米塔尔公司 | 用于制造直接还原铁的方法以及直接还原铁制造设备 |
| WO2022248915A1 (en) * | 2021-05-26 | 2022-12-01 | Arcelormittal | A method for manufacturing direct reduced iron |
| SE545624C2 (en) * | 2021-06-11 | 2023-11-14 | Hybrit Development Ab | Process for the production of carburized sponge iron |
| WO2022264904A1 (ja) * | 2021-06-14 | 2022-12-22 | Ｊｆｅスチール株式会社 | 還元鉄の製造方法 |
| SE545625C2 (en) | 2021-07-07 | 2023-11-14 | Hybrit Development Ab | Iron briquettes |
| DE102021125784A1 (de) * | 2021-10-05 | 2022-04-21 | Thyssenkrupp Steel Europe Ag | Verfahren zum Betreiben eines Stahlwerks |
| ES3045795T3 (en) * | 2021-10-07 | 2025-11-28 | Arcelormittal Texas Hbi Llc | Induction heating of dri |
| DE102021128987A1 (de) | 2021-11-08 | 2023-05-11 | Rhm Rohstoff-Handelsgesellschaft Mbh | Verfahren zum Umschmelzen von Eisenschwamm und/oder von heißgepresstem Eisenschwamm sowie von Schrott zu Rohstahl in einem Konverter |
| ES2999154T3 (en) * | 2021-12-08 | 2025-02-24 | Doosan Lentjes Gmbh | Method for handling particulate metal |
| WO2023111653A1 (en) * | 2021-12-16 | 2023-06-22 | Arcelormittal | Steelmaking method and associated network of plants |
| DE102022201918A1 (de) | 2022-02-24 | 2023-08-24 | Sms Group Gmbh | Hüttentechnische Produktionsanlage und Verfahren zu deren Betrieb |
| SE2250421A1 (en) | 2022-04-01 | 2023-10-02 | Luossavaara Kiirunavaara Ab | Method for producing steel and sponge iron manufacturing process |
| AU2022471657A1 (en) * | 2022-07-29 | 2024-11-28 | Arcelormittal | A method of manufacturing molten pig iron into an electrical smelting unit |
| AU2022471656A1 (en) * | 2022-07-29 | 2024-11-28 | Arcelormittal | Method for manufacturing pig iron in a production line comprising an electrical smelting furnace |
| EP4345175A1 (en) | 2022-09-30 | 2024-04-03 | HYBRIT Development AB | Direct reduced iron pellets and use thereof |
| US12398034B2 (en) | 2022-11-07 | 2025-08-26 | Charm Industrial, Inc. | Systems and methods for producing syngas from bio-oil |
| EP4615796A1 (en) | 2022-11-07 | 2025-09-17 | Charm Industrial, Inc. | Systems and methods for producing syngas from bio-oil |
| EP4373209A1 (de) | 2022-11-15 | 2024-05-22 | Primetals Technologies Austria GmbH | Elektrische aufheizung von gas |
| US12252753B2 (en) | 2023-01-11 | 2025-03-18 | Charm Industrial, Inc. | Systems and methods for self-reduction of iron ore |
| DE102023102815A1 (de) | 2023-02-06 | 2024-08-08 | Thyssenkrupp Steel Europe Ag | Verfahren zur Direktreduktion von Eisenerz |
| EP4443352A1 (de) * | 2023-04-05 | 2024-10-09 | Primetals Technologies Germany GmbH | Kosteneffizienter betrieb einer dri-anlage und weiterer teilsysteme eines gesamtsystems |
| CN118240988A (zh) * | 2024-04-19 | 2024-06-25 | 北京科技大学 | 一种耦合直接还原炼铁和熔融还原炼铁的低碳炼铁工艺 |
| KR20250163656A (ko) * | 2024-05-14 | 2025-11-21 | 주식회사 포스코 | 환원철 제조 설비 및 제조 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1167016A (en) | 1913-12-24 | 1916-01-04 | Emil Bruce Pratt | Process of reducing iron ores and other metallic oxids to the metallic state. |
| GB657824A (en) * | 1948-08-06 | 1951-09-26 | Alfred Gordon Evans Robiette | Improvements in and relating to the direct reduction of iron ores |
| US2609288A (en) * | 1949-03-08 | 1952-09-02 | Isobel E Stuart | Process for the reduction of metal oxides by gases |
| GB846284A (en) * | 1956-01-07 | 1960-08-31 | Norsk Hydro Elektrisk | Improvements in and relating to the production of sponge iron |
| US4054444A (en) * | 1975-09-22 | 1977-10-18 | Midrex Corporation | Method for controlling the carbon content of directly reduced iron |
| US4046556A (en) * | 1976-01-02 | 1977-09-06 | Fierro Esponja, S.A. | Direct gaseous reduction of oxidic metal ores with dual temperature cooling of the reduced product |
| DE2733785A1 (de) * | 1977-07-27 | 1979-02-08 | Didier Eng | Verfahren zur weiterverarbeitung von koksofengas |
| JPS5811484B2 (ja) * | 1980-12-04 | 1983-03-03 | 三菱重工業株式会社 | 還元鉄の製造方法 |
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-
2013
- 2013-09-10 FI FIEP13763210.5T patent/FI2895630T3/en active
- 2013-09-10 CN CN201380047309.XA patent/CN104662177A/zh active Pending
- 2013-09-10 CN CN201380046926.8A patent/CN104662175A/zh active Pending
- 2013-09-10 ES ES13763210T patent/ES2952386T3/es active Active
- 2013-09-10 EP EP13765312.7A patent/EP2895631B1/de not_active Revoked
- 2013-09-10 EP EP13763210.5A patent/EP2895630B1/de active Active
- 2013-09-10 US US14/428,280 patent/US20150329931A1/en not_active Abandoned
- 2013-09-10 US US14/428,206 patent/US20150259760A1/en not_active Abandoned
- 2013-09-10 US US14/428,116 patent/US20150259759A1/en not_active Abandoned
- 2013-09-10 EP EP13762102.5A patent/EP2895629A1/de not_active Withdrawn
- 2013-09-10 KR KR1020157009624A patent/KR20150063075A/ko not_active Withdrawn
- 2013-09-10 CN CN201380047304.7A patent/CN104662176A/zh active Pending
- 2013-09-10 WO PCT/EP2013/068727 patent/WO2014040990A2/de not_active Ceased
- 2013-09-10 ES ES13765312.7T patent/ES2689779T3/es active Active
- 2013-09-10 JP JP2015531540A patent/JP2015529751A/ja active Pending
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- 2013-09-10 WO PCT/EP2013/068726 patent/WO2014040989A2/de not_active Ceased
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- 2013-09-10 JP JP2015531541A patent/JP2015534604A/ja active Pending
- 2013-09-10 WO PCT/EP2013/068743 patent/WO2014040997A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2895629A1 (de) | 2015-07-22 |
| EP2895630A2 (de) | 2015-07-22 |
| US20150329931A1 (en) | 2015-11-19 |
| EP2895631B1 (de) | 2018-07-18 |
| WO2014040990A2 (de) | 2014-03-20 |
| JP2015532948A (ja) | 2015-11-16 |
| EP2895630B1 (de) | 2023-06-07 |
| WO2014040989A2 (de) | 2014-03-20 |
| CN104662177A (zh) | 2015-05-27 |
| JP2015534604A (ja) | 2015-12-03 |
| US20150259760A1 (en) | 2015-09-17 |
| WO2014040990A3 (de) | 2014-06-12 |
| JP2015529751A (ja) | 2015-10-08 |
| ES2952386T3 (es) | 2023-10-31 |
| KR20150065728A (ko) | 2015-06-15 |
| CN104662176A (zh) | 2015-05-27 |
| ES2689779T3 (es) | 2018-11-15 |
| WO2014040989A3 (de) | 2014-06-12 |
| KR20150063075A (ko) | 2015-06-08 |
| CN104662175A (zh) | 2015-05-27 |
| WO2014040997A1 (de) | 2014-03-20 |
| KR20150053809A (ko) | 2015-05-18 |
| US20150259759A1 (en) | 2015-09-17 |
| EP2895631A2 (de) | 2015-07-22 |
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