ES8400491A1 - "metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores". - Google Patents
"metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores".Info
- Publication number
- ES8400491A1 ES8400491A1 ES516493A ES516493A ES8400491A1 ES 8400491 A1 ES8400491 A1 ES 8400491A1 ES 516493 A ES516493 A ES 516493A ES 516493 A ES516493 A ES 516493A ES 8400491 A1 ES8400491 A1 ES 8400491A1
- Authority
- ES
- Spain
- Prior art keywords
- reducing
- energy consumption
- iron oxide
- minimizing energy
- gases
- 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.)
- Expired
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- 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
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Gas Separation By Absorption (AREA)
- Compounds Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
METODO PARA REDUCIR OXIDO DE HIERRO CON GASES REDUCTORES EN UN HORNO DE CUBA.SE HACE RECIRCULAR LOS GASES REDUCTORES, AL MENOS EN PARTE, Y SE LAVA EL GAS DE RECIRCULACION EN EL LAVADOR DEL PRODUCTO DE REACCION CO2, HACIENDOSE PASAR LA SOLUCION DE LAVADO, POR EJEMPLO AGUA, POR UNOS INTERCAMBIADORES DE CALOR COLOCADOS EN LOS TUBOS QUE CONDUCEN EL GAS DE REDUCCION PROCEDENTE DE LA CUBA DEL HORNO Y/O EN LOS TUBOS QUE CONDUCEN EL GAS DE REFRIGERACION PROCEDENTE DEL REFRIGERADOR DE ESPONJA DE HIERRO, APORTANDOSE CALOR AL PROCESO DE REGENERACION MEDIANTE ESTOS GASES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8201273A SE448740B (sv) | 1982-03-02 | 1982-03-02 | Sett och anordning for regenerering av tvettvetska fran co?712-tvett vid reduktion av jernoxid med reducerande gaser |
Publications (2)
Publication Number | Publication Date |
---|---|
ES516493A0 ES516493A0 (es) | 1983-11-16 |
ES8400491A1 true ES8400491A1 (es) | 1983-11-16 |
Family
ID=20346142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES516493A Expired ES8400491A1 (es) | 1982-03-02 | 1982-10-14 | "metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores". |
Country Status (15)
Country | Link |
---|---|
US (1) | US4432789A (es) |
JP (1) | JPS58153715A (es) |
AU (1) | AU9002782A (es) |
BE (1) | BE894676A (es) |
BR (1) | BR8206446A (es) |
DD (1) | DD203332A5 (es) |
DE (1) | DE3233836A1 (es) |
ES (1) | ES8400491A1 (es) |
FI (1) | FI823476L (es) |
FR (1) | FR2530667A1 (es) |
GB (1) | GB2115837A (es) |
IT (1) | IT1152932B (es) |
NO (1) | NO823343L (es) |
SE (1) | SE448740B (es) |
ZA (1) | ZA827877B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5110350A (en) * | 1983-05-16 | 1992-05-05 | Hylsa S.A. De C.V. | Method of reducing iron ore |
AT510618B1 (de) * | 2010-11-04 | 2013-02-15 | Siemens Vai Metals Tech Gmbh | Verfahren zur entfernung von co2 aus abgasen |
CN104045057B (zh) * | 2014-06-20 | 2016-04-20 | 北京神雾环境能源科技集团股份有限公司 | 一种天然气催化部分氧化生产直接海绵铁的工艺 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2977216A (en) * | 1958-12-31 | 1961-03-28 | Texaco Development Corp | Ore reduction process |
US3909244A (en) * | 1971-01-27 | 1975-09-30 | Metallgesellschaft Ag | Process for directly reducing iron ores in the solid state under pressure |
JPS5230210A (en) * | 1975-09-03 | 1977-03-07 | Nippon Steel Corp | Method of manufacturing reduced iron |
DE2542595C2 (de) * | 1975-09-24 | 1986-04-30 | Holland, Gerhard, Dr.rer.pol., 6000 Frankfurt | Verfahren zur Abtrennung von Metalldämpfen aus gasförmigen Gemischen |
DE2805840C2 (de) * | 1977-02-14 | 1986-01-02 | American Hydrotherm Corp., New York, N.Y. | Verfahren zur Abwärmerückgewinnung |
US4160810A (en) * | 1978-03-07 | 1979-07-10 | Benfield Corporation | Removal of acid gases from hot gas mixtures |
AT360569B (de) * | 1979-05-18 | 1981-01-26 | Voest Alpine Ag | Verfahren zur verwertung der rauchgaswaerme bei der kontinuierlichen direktreduktion von eisen- erz und anlage dafuer |
-
1982
- 1982-03-02 SE SE8201273A patent/SE448740B/sv not_active IP Right Cessation
- 1982-09-11 DE DE19823233836 patent/DE3233836A1/de not_active Withdrawn
- 1982-10-04 NO NO823343A patent/NO823343L/no unknown
- 1982-10-05 GB GB08228342A patent/GB2115837A/en not_active Withdrawn
- 1982-10-12 FI FI823476A patent/FI823476L/fi not_active Application Discontinuation
- 1982-10-12 BE BE0/209219A patent/BE894676A/fr not_active IP Right Cessation
- 1982-10-14 ES ES516493A patent/ES8400491A1/es not_active Expired
- 1982-10-21 IT IT23850/82A patent/IT1152932B/it active
- 1982-10-21 DD DD82244194A patent/DD203332A5/de unknown
- 1982-10-26 JP JP57186890A patent/JPS58153715A/ja active Pending
- 1982-10-26 FR FR8217898A patent/FR2530667A1/fr active Pending
- 1982-10-28 ZA ZA827877A patent/ZA827877B/xx unknown
- 1982-10-29 AU AU90027/82A patent/AU9002782A/en not_active Abandoned
- 1982-11-08 BR BR8206446A patent/BR8206446A/pt unknown
-
1983
- 1983-01-24 US US06/460,499 patent/US4432789A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DD203332A5 (de) | 1983-10-19 |
ES516493A0 (es) | 1983-11-16 |
FI823476A0 (fi) | 1982-10-12 |
IT1152932B (it) | 1987-01-14 |
JPS58153715A (ja) | 1983-09-12 |
FI823476L (fi) | 1983-09-03 |
FR2530667A1 (fr) | 1984-01-27 |
ZA827877B (en) | 1984-06-27 |
IT8223850A0 (it) | 1982-10-21 |
NO823343L (no) | 1983-09-05 |
SE448740B (sv) | 1987-03-16 |
US4432789A (en) | 1984-02-21 |
SE8201273L (sv) | 1983-09-03 |
AU9002782A (en) | 1983-09-08 |
BE894676A (fr) | 1983-01-31 |
GB2115837A (en) | 1983-09-14 |
DE3233836A1 (de) | 1983-09-22 |
BR8206446A (pt) | 1984-05-08 |
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