MX2023004971A - Produccion de acero a partir de hierro fundido. - Google Patents
Produccion de acero a partir de hierro fundido.Info
- Publication number
- MX2023004971A MX2023004971A MX2023004971A MX2023004971A MX2023004971A MX 2023004971 A MX2023004971 A MX 2023004971A MX 2023004971 A MX2023004971 A MX 2023004971A MX 2023004971 A MX2023004971 A MX 2023004971A MX 2023004971 A MX2023004971 A MX 2023004971A
- Authority
- MX
- Mexico
- Prior art keywords
- iron
- smelt
- slag
- producing
- sponge
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 14
- 229910052742 iron Inorganic materials 0.000 title abstract 7
- 241001062472 Stokellia anisodon Species 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002893 slag Substances 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 2
- 229960005191 ferric oxide Drugs 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 235000013980 iron oxide Nutrition 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- 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
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- 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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5205—Manufacture of steel in electric furnaces in a plasma heated furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/076—Use of slags or fluxes as treating agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
La solicitud se refiere a un proceso para la producción de acero que comprende la producción de hierro esponja (10) a partir de un material de partida que contiene óxido de hierro (11) por reducción directa con gas de reducción (13), en donde el gas de reducción (13) comprende al menos un 20 % en volumen de hidrógeno H2, y la producción de hierro fundido con un contenido de carbono de 1-5 % en masa a partir del hierro esponja. El hierro esponja se somete a un tratamiento que comprende - suministro de energía y adición de aditivos para producir una masa fundida y una escoria, donde el suministro de energía se efectúa sustancialmente a partir de la electricidad y donde la escoria tiene una basicidad B2 de menos de 1.3, preferiblemente menos de 1.25, particularmente preferiblemente menos de 1.2, - ajuste del contenido de carbono en la masa fundida, - reducción de al menos una porción de los óxidos de hierro presentes en el hierro esponja La escoria se separa durante y/o después del tratamiento. Dicho hierro fundido se usa para la producción de acero.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20204857.5A EP3992309A1 (de) | 2020-10-30 | 2020-10-30 | Herstellung von eisenschmelze |
| PCT/EP2021/079977 WO2022090390A1 (de) | 2020-10-30 | 2021-10-28 | Stahlherstellung aus eisenschmelze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2023004971A true MX2023004971A (es) | 2023-05-26 |
Family
ID=73039987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023004971A MX2023004971A (es) | 2020-10-30 | 2021-10-28 | Produccion de acero a partir de hierro fundido. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20240052442A1 (es) |
| EP (2) | EP3992309A1 (es) |
| JP (1) | JP2023551367A (es) |
| KR (1) | KR20230097107A (es) |
| CN (1) | CN116529395A (es) |
| AU (1) | AU2021370921A1 (es) |
| CA (1) | CA3198632A1 (es) |
| MX (1) | MX2023004971A (es) |
| WO (1) | WO2022090390A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4350010A1 (de) * | 2022-10-05 | 2024-04-10 | Primetals Technologies Austria GmbH | Eisenschmelze aus sinter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT381116B (de) * | 1984-11-15 | 1986-08-25 | Voest Alpine Ag | Verfahren zur herstellung von fluessigem roheisen oder stahlvorprodukten sowie vorrichtung zur durchfuehrung des verfahrens |
| US5417740A (en) * | 1992-05-26 | 1995-05-23 | Zaptech Corporation | Method for producing steel |
| US5354356A (en) * | 1992-10-06 | 1994-10-11 | Bechtel Group Inc. | Method of providing fuel for an iron making process |
| US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
| JP5598423B2 (ja) * | 2011-06-01 | 2014-10-01 | 新日鐵住金株式会社 | 予備還元塊成化物の製造方法 |
-
2020
- 2020-10-30 EP EP20204857.5A patent/EP3992309A1/de not_active Withdrawn
-
2021
- 2021-10-28 JP JP2023526452A patent/JP2023551367A/ja active Pending
- 2021-10-28 EP EP21799055.5A patent/EP4237587A1/de active Pending
- 2021-10-28 MX MX2023004971A patent/MX2023004971A/es unknown
- 2021-10-28 AU AU2021370921A patent/AU2021370921A1/en active Pending
- 2021-10-28 CN CN202180071899.4A patent/CN116529395A/zh active Pending
- 2021-10-28 US US18/250,928 patent/US20240052442A1/en active Pending
- 2021-10-28 KR KR1020237017860A patent/KR20230097107A/ko unknown
- 2021-10-28 CA CA3198632A patent/CA3198632A1/en active Pending
- 2021-10-28 WO PCT/EP2021/079977 patent/WO2022090390A1/de active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| EP4237587A1 (de) | 2023-09-06 |
| US20240052442A1 (en) | 2024-02-15 |
| JP2023551367A (ja) | 2023-12-08 |
| AU2021370921A9 (en) | 2024-02-08 |
| WO2022090390A1 (de) | 2022-05-05 |
| CA3198632A1 (en) | 2022-05-05 |
| AU2021370921A1 (en) | 2023-06-15 |
| KR20230097107A (ko) | 2023-06-30 |
| CN116529395A (zh) | 2023-08-01 |
| EP3992309A1 (de) | 2022-05-04 |
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