DE2622349C3 - Verfahren zur Direktreduktion von Eisenerzen - Google Patents
Verfahren zur Direktreduktion von EisenerzenInfo
- Publication number
- DE2622349C3 DE2622349C3 DE2622349A DE2622349A DE2622349C3 DE 2622349 C3 DE2622349 C3 DE 2622349C3 DE 2622349 A DE2622349 A DE 2622349A DE 2622349 A DE2622349 A DE 2622349A DE 2622349 C3 DE2622349 C3 DE 2622349C3
- Authority
- DE
- Germany
- Prior art keywords
- gas
- furnace
- cooling
- cooling gas
- zone
- 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 25
- 230000009467 reduction Effects 0.000 title claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 15
- 229910052742 iron Inorganic materials 0.000 title claims description 7
- 230000008569 process Effects 0.000 title claims description 6
- 239000007789 gas Substances 0.000 claims description 112
- 239000000112 cooling gas Substances 0.000 claims description 54
- 238000001816 cooling Methods 0.000 claims description 47
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 description 13
- 238000002407 reforming Methods 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 10
- 239000007800 oxidant agent Substances 0.000 description 9
- 239000008188 pellet Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000001833 catalytic reforming Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 235000003097 Artemisia absinthium Nutrition 0.000 description 1
- 240000002877 Artemisia absinthium Species 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 235000013323 absinthe Nutrition 0.000 description 1
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000032258 transport Effects 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
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- 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
- C21B2100/20—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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- 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
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/578,477 US4042226A (en) | 1975-05-19 | 1975-05-19 | Method and apparatus for producing metallic iron pellets |
| US05/611,099 US4049440A (en) | 1975-05-19 | 1975-09-08 | Method for producing metallic iron pellets |
| US05/632,137 US4046557A (en) | 1975-09-08 | 1975-11-14 | Method for producing metallic iron particles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2622349A1 DE2622349A1 (de) | 1976-11-25 |
| DE2622349B2 DE2622349B2 (de) | 1980-01-31 |
| DE2622349C3 true DE2622349C3 (de) | 1984-10-04 |
Family
ID=27416297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2622349A Expired DE2622349C3 (de) | 1975-05-19 | 1976-05-19 | Verfahren zur Direktreduktion von Eisenerzen |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS51140813A (OSRAM) |
| AR (1) | AR212332A1 (OSRAM) |
| AU (1) | AU496945B2 (OSRAM) |
| BR (1) | BR7603082A (OSRAM) |
| CA (1) | CA1075913A (OSRAM) |
| DE (1) | DE2622349C3 (OSRAM) |
| FR (1) | FR2311850A1 (OSRAM) |
| GB (1) | GB1595574A (OSRAM) |
| TR (1) | TR18949A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509833A1 (de) * | 1994-05-04 | 1995-11-09 | Midrex Int Bv | Eisenkarbid-Herstellung in einem Schachtofen |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2810701C2 (de) * | 1978-03-11 | 1984-07-05 | Hamburger Stahlwerke Gmbh, 2103 Hamburg | Verfahren zur Direktreduktion von Eisenerzen |
| US4216011A (en) * | 1979-04-23 | 1980-08-05 | Hylsa, S.A. | Method and apparatus for the secondary gaseous reduction of metal ores |
| US4351513A (en) * | 1981-01-29 | 1982-09-28 | Midrex Corporation | Direct reduction of iron using coke oven gas |
| DE3203092A1 (de) * | 1982-01-30 | 1983-08-04 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur abscheidung von feinkoernigem direkt reduziertem eisen aus kuehlgasen |
| MX156697A (es) * | 1982-05-12 | 1988-09-27 | Hylsa Sa | Metodo mejorado para la reduccion directa de minerales de hierro |
| DE102019217631B4 (de) | 2019-11-15 | 2024-05-29 | Thyssenkrupp Steel Europe Ag | Verfahren zur Direktreduktion von Eisenerz |
| BR112023026193A2 (pt) * | 2021-06-14 | 2024-03-05 | Jfe Steel Corp | Método de produção de ferro reduzido |
| CN117625951A (zh) * | 2022-08-12 | 2024-03-01 | 中冶长天国际工程有限责任公司 | 一种流态化制备铬系不锈钢的方法及装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3063695A (en) * | 1958-09-25 | 1962-11-13 | P M Associates | Beneficiation of low-grade hematitic ore materials |
| 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 |
| US3375099A (en) * | 1964-06-30 | 1968-03-26 | Armco Steel Corp | Production of iron from pelletized iron ores |
| US3375098A (en) * | 1964-07-22 | 1968-03-26 | Armco Steel Corp | Gaseous reduction of iron ores |
| GB1347785A (en) * | 1970-07-15 | 1974-02-27 | Fierro Esponja | Method of reducing particulate metal ores |
| US3765872A (en) * | 1970-12-16 | 1973-10-16 | Fierro Esponja | Method and apparatus for the gaseous reduction of iron ore to sponge iron |
| US3905806A (en) * | 1973-02-20 | 1975-09-16 | Armco Steel Corp | Method for the direct reduction of iron ores |
| US3853538A (en) * | 1973-07-20 | 1974-12-10 | Steel Corp | Use of reducing gas by coal gasification for direct iron ore reduction |
-
1976
- 1976-04-20 AU AU13149/76A patent/AU496945B2/en not_active Expired
- 1976-04-30 AR AR263171A patent/AR212332A1/es active
- 1976-05-17 BR BR3082/76A patent/BR7603082A/pt unknown
- 1976-05-17 CA CA252,677A patent/CA1075913A/en not_active Expired
- 1976-05-17 TR TR18949A patent/TR18949A/xx unknown
- 1976-05-17 GB GB20315/76A patent/GB1595574A/en not_active Expired
- 1976-05-18 JP JP51057177A patent/JPS51140813A/ja active Granted
- 1976-05-19 FR FR7615101A patent/FR2311850A1/fr active Granted
- 1976-05-19 DE DE2622349A patent/DE2622349C3/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509833A1 (de) * | 1994-05-04 | 1995-11-09 | Midrex Int Bv | Eisenkarbid-Herstellung in einem Schachtofen |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7603082A (pt) | 1977-01-25 |
| DE2622349B2 (de) | 1980-01-31 |
| FR2311850B1 (OSRAM) | 1979-09-07 |
| GB1595574A (en) | 1981-08-12 |
| JPS5725602B2 (OSRAM) | 1982-05-31 |
| DE2622349A1 (de) | 1976-11-25 |
| FR2311850A1 (fr) | 1976-12-17 |
| AU1314976A (en) | 1977-10-27 |
| JPS51140813A (en) | 1976-12-04 |
| AR212332A1 (es) | 1978-06-30 |
| CA1075913A (en) | 1980-04-22 |
| AU496945B2 (en) | 1978-11-16 |
| TR18949A (tr) | 1978-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8281 | Inventor (new situation) |
Free format text: BEGGS, DONALD, CHARLOTTE, N.C., US |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MIDREX INTERNATIONAL B.V. ROTTERDAM NIEDERLASSUNG |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: BLUMBACH, P., DIPL.-ING., 6200 WIESBADEN WESER, W., DIPL.-PHYS. DR.RER.NAT. KRAMER, R., DIPL.-ING.,8000 MUENCHEN ZWIRNER, G., DIPL.-ING. DIPL.-WIRTSCH.-ING., 6200 WIESBADEN HOFFMANN, E., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |