NO823343L - Fremgangsmaate og anordning ved minimalisering av energiforbruket under reduksjon av jernoksyd med reduserende gasser - Google Patents
Fremgangsmaate og anordning ved minimalisering av energiforbruket under reduksjon av jernoksyd med reduserende gasserInfo
- Publication number
- NO823343L NO823343L NO823343A NO823343A NO823343L NO 823343 L NO823343 L NO 823343L NO 823343 A NO823343 A NO 823343A NO 823343 A NO823343 A NO 823343A NO 823343 L NO823343 L NO 823343L
- Authority
- NO
- Norway
- Prior art keywords
- gas
- energy consumption
- cooler
- iron oxide
- outgoing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 8
- 238000005265 energy consumption Methods 0.000 title claims description 5
- 239000007789 gas Substances 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000112 cooling gas Substances 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009687 sponge iron process Methods 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
-
- 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| NO823343L true NO823343L (no) | 1983-09-05 |
Family
ID=20346142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO823343A NO823343L (no) | 1982-03-02 | 1982-10-04 | Fremgangsmaate og anordning ved minimalisering av energiforbruket under reduksjon av jernoksyd med reduserende gasser |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4432789A (sv) |
| JP (1) | JPS58153715A (sv) |
| AU (1) | AU9002782A (sv) |
| BE (1) | BE894676A (sv) |
| BR (1) | BR8206446A (sv) |
| DD (1) | DD203332A5 (sv) |
| DE (1) | DE3233836A1 (sv) |
| ES (1) | ES8400491A1 (sv) |
| FI (1) | FI823476L (sv) |
| FR (1) | FR2530667A1 (sv) |
| GB (1) | GB2115837A (sv) |
| IT (1) | IT1152932B (sv) |
| NO (1) | NO823343L (sv) |
| SE (1) | SE448740B (sv) |
| ZA (1) | ZA827877B (sv) |
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 FR FR8217898A patent/FR2530667A1/fr active Pending
- 1982-10-26 JP JP57186890A patent/JPS58153715A/ja 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 |
|---|---|
| ES516493A0 (es) | 1983-11-16 |
| IT8223850A0 (it) | 1982-10-21 |
| ZA827877B (en) | 1984-06-27 |
| BE894676A (fr) | 1983-01-31 |
| IT1152932B (it) | 1987-01-14 |
| SE448740B (sv) | 1987-03-16 |
| AU9002782A (en) | 1983-09-08 |
| BR8206446A (pt) | 1984-05-08 |
| DE3233836A1 (de) | 1983-09-22 |
| ES8400491A1 (es) | 1983-11-16 |
| GB2115837A (en) | 1983-09-14 |
| FI823476L (fi) | 1983-09-03 |
| FR2530667A1 (fr) | 1984-01-27 |
| DD203332A5 (de) | 1983-10-19 |
| FI823476A0 (fi) | 1982-10-12 |
| SE8201273L (sv) | 1983-09-03 |
| JPS58153715A (ja) | 1983-09-12 |
| US4432789A (en) | 1984-02-21 |
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