DE2255759C3 - Verfahren zur Reduktion von zerkleinertem Erz zu Metall mittels eines reduzierenden Gases - Google Patents
Verfahren zur Reduktion von zerkleinertem Erz zu Metall mittels eines reduzierenden GasesInfo
- Publication number
- DE2255759C3 DE2255759C3 DE2255759A DE2255759A DE2255759C3 DE 2255759 C3 DE2255759 C3 DE 2255759C3 DE 2255759 A DE2255759 A DE 2255759A DE 2255759 A DE2255759 A DE 2255759A DE 2255759 C3 DE2255759 C3 DE 2255759C3
- Authority
- DE
- Germany
- Prior art keywords
- gas
- steam
- reducing gas
- flow
- reformer
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 229910052751 metal Inorganic materials 0.000 title claims description 4
- 239000002184 metal Substances 0.000 title claims description 4
- 239000007789 gas Substances 0.000 claims description 108
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 14
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims description 14
- 239000004215 Carbon black (E152) Substances 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 21
- 238000005255 carburizing Methods 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000002407 reforming Methods 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000009423 ventilation 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
-
- 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
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- 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
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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)
- Hydrogen, Water And Hydrids (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20072171A | 1971-11-22 | 1971-11-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2255759A1 DE2255759A1 (de) | 1973-07-19 |
| DE2255759B2 DE2255759B2 (de) | 1978-09-14 |
| DE2255759C3 true DE2255759C3 (de) | 1979-05-10 |
Family
ID=22742910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2255759A Expired DE2255759C3 (de) | 1971-11-22 | 1972-11-14 | Verfahren zur Reduktion von zerkleinertem Erz zu Metall mittels eines reduzierenden Gases |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3770421A (OSRAM) |
| JP (1) | JPS5120362B2 (OSRAM) |
| AT (1) | AT322589B (OSRAM) |
| AU (1) | AU467444B2 (OSRAM) |
| BE (1) | BE791660A (OSRAM) |
| BR (1) | BR7208130D0 (OSRAM) |
| CA (1) | CA978365A (OSRAM) |
| DE (1) | DE2255759C3 (OSRAM) |
| EG (1) | EG10696A (OSRAM) |
| ES (1) | ES408836A1 (OSRAM) |
| FR (1) | FR2160978B1 (OSRAM) |
| GB (1) | GB1380288A (OSRAM) |
| IL (1) | IL40750A (OSRAM) |
| IN (1) | IN138742B (OSRAM) |
| IT (1) | IT973676B (OSRAM) |
| LU (1) | LU66512A1 (OSRAM) |
| NL (1) | NL157946B (OSRAM) |
| TR (1) | TR17094A (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889864A (en) * | 1971-10-15 | 1975-06-17 | Fierro Esponja | Method and apparatus for reducing particulate metal ores to sponge iron |
| US3909446A (en) * | 1972-03-31 | 1975-09-30 | Nippon Kokan Kk | Method of manufacturing high quality reducing gas by two stage reforming processes |
| US3890142A (en) * | 1973-10-16 | 1975-06-17 | Fierro Esponja | Method for gaseous reduction of metal ores |
| US3844766A (en) * | 1973-12-26 | 1974-10-29 | Midland Ross Corp | Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels |
| SE387366C (sv) * | 1974-12-12 | 1980-04-14 | Stora Kopparbergs Bergslags Ab | Sett for reduktion av finfordelat metalloxidhaltigt material |
| US3993473A (en) * | 1975-03-20 | 1976-11-23 | Bethlehem Steel Corporation | Method of reducing iron oxide |
| US4099962A (en) * | 1976-01-05 | 1978-07-11 | Grupo Industrial Alfa, S.A. | Method and apparatus for measuring and controlling the percentage reduction of ore in a moving bed gaseous reduction reactor |
| US4253867A (en) * | 1979-10-15 | 1981-03-03 | Hylsa, S.A. | Method of using a methane-containing gas for reducing iron ore |
| JPS59145350U (ja) * | 1983-03-18 | 1984-09-28 | ブラザー工業株式会社 | 掃除機のフイルタ装置 |
| US5064467A (en) * | 1987-11-02 | 1991-11-12 | C.V.G. Siderurgica Del Orinoco, C.A. | Method and apparatus 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 |
| US6749741B1 (en) * | 2001-12-20 | 2004-06-15 | Uop Llc | Apparatus and process for prewashing a hydrocarbon stream containing hydrogen sulfide |
| US7856948B2 (en) * | 2004-05-27 | 2010-12-28 | Wyeth Llc | Self-steaming compositions, articles comprising such compositions and methods of preparing such compositions |
| US7794649B2 (en) * | 2005-09-23 | 2010-09-14 | Wyeth Llc | Method of making heat cells comprising exothermic compositions having absorbent gelling material |
| US7878187B2 (en) * | 2005-09-23 | 2011-02-01 | Wyeth Llc | Heat cells comprising exothermic compositions having absorbent gelling material |
| AT505490B1 (de) * | 2007-06-28 | 2009-12-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur erzeugung von eisenschwamm |
| EP2296595B1 (en) | 2008-05-15 | 2019-03-06 | Wyeth LLC | Portable moist heat system |
| DE102022122729A1 (de) * | 2022-09-07 | 2024-03-07 | Sms Group Gmbh | Vorrichtung zur Kupferproduktion mit verbesserter CO2-Billanz |
| IT202300020244A1 (it) | 2023-10-02 | 2025-04-02 | Piergiorgio Luigi Fontana | Processo di riduzione di minerale di ferro alimentato con idrogeno |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1401222A (en) * | 1919-06-24 | 1921-12-27 | Wiberg Frans Martin | Method of and furnace for reducing ores and oxygen compounds utilized as ores |
| US2635957A (en) * | 1947-03-20 | 1953-04-21 | Stora Kopparbergs Bergslags Ab | Process for reducing ores |
| US2807535A (en) * | 1953-03-17 | 1957-09-24 | Vetrocoke Spa | Method of and plant for reducing iron ore |
| US2915379A (en) * | 1956-09-10 | 1959-12-01 | United States Steel Corp | Method and apparatus for handling reducing gases |
| US2900247A (en) * | 1957-08-05 | 1959-08-18 | Fierro Espouja Sa | Method of making sponge iron |
| US3128174A (en) * | 1959-06-26 | 1964-04-07 | Fierro Esponja | Method of making sponge iron |
| DE1201377B (de) * | 1961-11-23 | 1965-09-23 | Huettenwerk Oberhausen Ag | Verfahren und Anlage zur Herstellung von Eisen-schwamm aus Eisenerz in einem Reduktions-schacht mittels Reduktionsgas |
| US3423201A (en) * | 1966-03-18 | 1969-01-21 | Fierro Esponja | Method for producing sponge iron |
-
0
- BE BE791660D patent/BE791660A/xx unknown
-
1971
- 1971-11-22 US US00200721A patent/US3770421A/en not_active Expired - Lifetime
-
1972
- 1972-11-06 AU AU48549/72A patent/AU467444B2/en not_active Expired
- 1972-11-06 IL IL4075072A patent/IL40750A/xx unknown
- 1972-11-06 IN IN1830/72A patent/IN138742B/en unknown
- 1972-11-08 GB GB5157472A patent/GB1380288A/en not_active Expired
- 1972-11-14 DE DE2255759A patent/DE2255759C3/de not_active Expired
- 1972-11-16 TR TR1709472A patent/TR17094A/xx unknown
- 1972-11-20 EG EG48072A patent/EG10696A/xx active
- 1972-11-20 BR BR813072A patent/BR7208130D0/pt unknown
- 1972-11-20 NL NL7215664.A patent/NL157946B/xx not_active IP Right Cessation
- 1972-11-21 CA CA157,128A patent/CA978365A/en not_active Expired
- 1972-11-21 ES ES408836A patent/ES408836A1/es not_active Expired
- 1972-11-21 AT AT989672A patent/AT322589B/de not_active IP Right Cessation
- 1972-11-22 IT IT5420072A patent/IT973676B/it active
- 1972-11-22 JP JP11763772A patent/JPS5120362B2/ja not_active Expired
- 1972-11-22 LU LU66512D patent/LU66512A1/xx unknown
- 1972-11-22 FR FR7241544A patent/FR2160978B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| TR17094A (tr) | 1974-04-25 |
| EG10696A (en) | 1976-04-30 |
| AT322589B (de) | 1975-05-26 |
| BE791660A (fr) | 1973-05-21 |
| NL7215664A (OSRAM) | 1973-05-24 |
| AU467444B2 (en) | 1975-12-04 |
| GB1380288A (en) | 1975-01-08 |
| IN138742B (OSRAM) | 1976-03-27 |
| JPS4863902A (OSRAM) | 1973-09-05 |
| IL40750A (en) | 1975-07-28 |
| BR7208130D0 (pt) | 1973-09-18 |
| IT973676B (it) | 1974-06-10 |
| LU66512A1 (OSRAM) | 1973-06-08 |
| CA978365A (en) | 1975-11-25 |
| JPS5120362B2 (OSRAM) | 1976-06-24 |
| AU4854972A (en) | 1974-05-23 |
| FR2160978A1 (OSRAM) | 1973-07-06 |
| IL40750A0 (en) | 1973-01-30 |
| FR2160978B1 (OSRAM) | 1975-11-07 |
| NL157946B (nl) | 1978-09-15 |
| DE2255759B2 (de) | 1978-09-14 |
| US3770421A (en) | 1973-11-06 |
| DE2255759A1 (de) | 1973-07-19 |
| ES408836A1 (es) | 1976-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |