CA2039940A1 - Process for the production of liquid steel from iron containing metal oxides - Google Patents
Process for the production of liquid steel from iron containing metal oxidesInfo
- Publication number
- CA2039940A1 CA2039940A1 CA002039940A CA2039940A CA2039940A1 CA 2039940 A1 CA2039940 A1 CA 2039940A1 CA 002039940 A CA002039940 A CA 002039940A CA 2039940 A CA2039940 A CA 2039940A CA 2039940 A1 CA2039940 A1 CA 2039940A1
- Authority
- CA
- Canada
- Prior art keywords
- gas
- iron
- dri
- melting furnace
- top gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 17
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 85
- 238000002844 melting Methods 0.000 claims abstract description 33
- 230000008018 melting Effects 0.000 claims abstract description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 50
- 238000006722 reduction reaction Methods 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 28
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
- 239000003345 natural gas Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000006057 reforming reaction Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000007670 refining Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000003923 scrap metal 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Carbon And Carbon Compounds (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/512,216 US5069716A (en) | 1989-12-22 | 1990-04-20 | Process for the production of liquid steel from iron containing metal oxides |
| US512,216 | 1990-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2039940A1 true CA2039940A1 (en) | 1991-10-21 |
Family
ID=24038175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002039940A Abandoned CA2039940A1 (en) | 1990-04-20 | 1991-04-08 | Process for the production of liquid steel from iron containing metal oxides |
Country Status (4)
| Country | Link |
|---|---|
| BR (1) | BR9101501A (de) |
| CA (1) | CA2039940A1 (de) |
| DE (1) | DE4041689C2 (de) |
| GB (1) | GB2243840B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7854786B2 (en) | 2006-01-31 | 2010-12-21 | Danieli & C. Officine Meccaniche S.P.A. | Reduction process and plant |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078788A (en) * | 1989-12-22 | 1992-01-07 | C.V.G. Siderurgica Del Orinoco, C.A. | Method for the direct reduction of iron |
| CA2090906A1 (en) * | 1992-03-05 | 1993-09-06 | Corporacion Venezolana De Guayana (Cvg) | Method for improving quality of reforming gas used in the direct reduction of metal oxides |
| DE4224055C1 (de) * | 1992-07-21 | 1993-12-16 | Koeppern & Co Kg Maschf | Verfahren zur Herstellung von Stahl |
| GB2281311B (en) * | 1993-03-29 | 1996-09-04 | Boc Group Plc | Metallurgical processes and apparatus |
| DE19525270C2 (de) * | 1994-07-13 | 1999-08-26 | Int Steel Ind Engineering Co | Verfahren zur Gewinnung von Roheisen aus Eisenoxiden |
| AT405186B (de) * | 1994-10-17 | 1999-06-25 | Voest Alpine Ind Anlagen | Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm |
| US5702246A (en) * | 1996-02-22 | 1997-12-30 | Xera Technologies Ltd. | Shaft furnace for direct reduction of oxides |
| AT406270B (de) | 1997-12-05 | 2000-03-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum reduzieren von metalloxidhältigem material |
| AT407400B (de) * | 1998-10-07 | 2001-02-26 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen von eisen, insbesondere stahl |
| IT1302814B1 (it) * | 1998-12-11 | 2000-09-29 | Danieli & C Ohg Sp | Procedimento e relativo impianto integrato per la produzionedi acciaio mediante riduzione diretta di ossidi di ferro |
| AT505401B1 (de) * | 2008-02-15 | 2009-01-15 | Siemens Vai Metals Tech Gmbh | Verfahren zum erschmelzen von roheisen unter rückführung von gichtgas unter zusatz von kohlenwasserstoffen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905806A (en) * | 1973-02-20 | 1975-09-16 | Armco Steel Corp | Method for the direct reduction of iron ores |
| US4201571A (en) * | 1978-08-15 | 1980-05-06 | Midrex Corporation | Method for the direct reduction of iron and production of fuel gas using gas from coal |
| US4412858A (en) * | 1982-07-12 | 1983-11-01 | Hylsa, S.A. | Method of converting iron ore into molten iron |
| US4585476A (en) * | 1984-05-09 | 1986-04-29 | Instituto Mexicano De Investigaciones Siderurgicas | Method for producing liquid steel from iron ore |
| DE3439070A1 (de) * | 1984-10-25 | 1986-05-07 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und vorrichtung zur kontinuierlichen herstellung von roheisen und energiehaltigem heissgas aus feinkoernigen eisenerzen und kohlenstofftraegern |
| DE3713630A1 (de) * | 1987-04-23 | 1988-11-17 | Voest Alpine Ag | Huettenwerk und verfahren zur erzeugung von stahl |
| CA1336359C (en) * | 1987-11-02 | 1995-07-25 | Corporacion Venezolana De Guayana (Cvg) | Method and apparatus for the direct reduction of iron |
-
1990
- 1990-12-24 DE DE4041689A patent/DE4041689C2/de not_active Expired - Fee Related
-
1991
- 1991-03-25 GB GB9106258A patent/GB2243840B/en not_active Expired - Fee Related
- 1991-04-08 CA CA002039940A patent/CA2039940A1/en not_active Abandoned
- 1991-04-12 BR BR919101501A patent/BR9101501A/pt not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7854786B2 (en) | 2006-01-31 | 2010-12-21 | Danieli & C. Officine Meccaniche S.P.A. | Reduction process and plant |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4041689A1 (de) | 1991-10-24 |
| BR9101501A (pt) | 1991-12-03 |
| GB9106258D0 (en) | 1991-05-08 |
| DE4041689C2 (de) | 1995-11-09 |
| GB2243840B (en) | 1994-03-16 |
| GB2243840A (en) | 1991-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |