CA971756A - Method and apparatus for reducing particulate metal ores to sponge iron - Google Patents
Method and apparatus for reducing particulate metal ores to sponge ironInfo
- Publication number
- CA971756A CA971756A CA153,915A CA153915A CA971756A CA 971756 A CA971756 A CA 971756A CA 153915 A CA153915 A CA 153915A CA 971756 A CA971756 A CA 971756A
- Authority
- CA
- Canada
- Prior art keywords
- sponge iron
- particulate metal
- metal ores
- reducing particulate
- reducing
- 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
-
- 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
- C21B2100/60—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
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18956071A | 1971-10-15 | 1971-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA971756A true CA971756A (en) | 1975-07-29 |
Family
ID=22697854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA153,915A Expired CA971756A (en) | 1971-10-15 | 1972-10-13 | Method and apparatus for reducing particulate metal ores to sponge iron |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3779741A (de) |
| JP (1) | JPS5120361B2 (de) |
| AR (1) | AR202892A1 (de) |
| AT (1) | AT327968B (de) |
| AU (1) | AU462677B2 (de) |
| BE (1) | BE789968A (de) |
| BR (1) | BR7207152D0 (de) |
| CA (1) | CA971756A (de) |
| DE (1) | DE2250056C3 (de) |
| EG (1) | EG10815A (de) |
| ES (1) | ES407653A1 (de) |
| FR (1) | FR2156349B1 (de) |
| GB (1) | GB1373048A (de) |
| IL (1) | IL40524A (de) |
| IT (1) | IT982388B (de) |
| LU (1) | LU66293A1 (de) |
| NL (1) | NL156754B (de) |
| PH (1) | PH9559A (de) |
| TR (1) | TR17394A (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49121708A (de) * | 1973-03-26 | 1974-11-21 | ||
| US3890142A (en) * | 1973-10-16 | 1975-06-17 | Fierro Esponja | Method for gaseous reduction of metal ores |
| JPS5122612A (en) * | 1974-08-20 | 1976-02-23 | Mitsubishi Heavy Ind Ltd | Shafutoronyoru tetsukosekino kangenhoho |
| AR204299A1 (es) * | 1974-10-18 | 1975-12-10 | Fierro Esponja | Aparato y metodo para la reduccion gaseosa de oxidos de metal a temperaturas elevadas |
| JPS5274516A (en) * | 1975-10-28 | 1977-06-22 | Hitachi Zosen Corp | Gas supply system in fixed bed retort type sponge iron production proc ess |
| 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 |
| JPS5639502Y2 (de) * | 1978-02-10 | 1981-09-14 | ||
| JPS55104414A (en) * | 1979-01-29 | 1980-08-09 | Kobe Steel Ltd | Shaft furnace for iron ore reduction |
| JPS55106653U (de) * | 1980-02-21 | 1980-07-25 | ||
| GB2084610B (en) * | 1980-09-29 | 1983-10-12 | Woods Jack L | Anodic oxidation of aluminium and aluminum alloys |
| US4556417A (en) * | 1983-05-17 | 1985-12-03 | Hylsa, S.A. | Process for the direct reduction of iron ores |
| JPH01175753U (de) * | 1988-05-30 | 1989-12-14 | ||
| 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 |
| HUE044479T2 (hu) | 2008-05-15 | 2019-10-28 | Wyeth Llc | Hordozható rendszer nedves hõ leadására |
| WO2011012964A2 (en) | 2009-07-31 | 2011-02-03 | Hyl Technologies, S.A. De C.V. | Method for producing direct reduced iron with limited co2 emissions |
| IN2014CN02080A (de) | 2011-08-20 | 2015-05-29 | Hyl Technologies Sa De Cv | |
| SE545421C2 (en) * | 2021-12-23 | 2023-09-05 | Luossavaara Kiirunavaara Ab | Reduction of iron ore material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2048112A (en) * | 1933-07-31 | 1936-07-21 | Gahl Rudolf | Process for reduction of metaloxygen compounds |
| US2793946A (en) * | 1952-10-04 | 1957-05-28 | George R Paschal | Methods and apparatus for the production of iron |
| 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 |
| US3475160A (en) * | 1967-02-15 | 1969-10-28 | Exxon Research Engineering Co | Method of producing reducing gases for the fluidized bed reduction of ores |
-
0
- BE BE789968D patent/BE789968A/xx unknown
-
1971
- 1971-10-15 US US00189560A patent/US3779741A/en not_active Expired - Lifetime
-
1972
- 1972-10-09 IL IL4052472A patent/IL40524A/xx unknown
- 1972-10-11 AR AR24458872A patent/AR202892A1/es active
- 1972-10-11 GB GB4693972A patent/GB1373048A/en not_active Expired
- 1972-10-11 AU AU47629/72A patent/AU462677B2/en not_active Expired
- 1972-10-12 DE DE2250056A patent/DE2250056C3/de not_active Expired
- 1972-10-13 PH PH14007*UA patent/PH9559A/en unknown
- 1972-10-13 TR TR1739472A patent/TR17394A/xx unknown
- 1972-10-13 AT AT882072A patent/AT327968B/de not_active IP Right Cessation
- 1972-10-13 CA CA153,915A patent/CA971756A/en not_active Expired
- 1972-10-13 NL NL7213882.A patent/NL156754B/xx not_active IP Right Cessation
- 1972-10-13 BR BR715272A patent/BR7207152D0/pt unknown
- 1972-10-13 FR FR7236370A patent/FR2156349B1/fr not_active Expired
- 1972-10-13 LU LU66293D patent/LU66293A1/xx unknown
- 1972-10-14 ES ES407653A patent/ES407653A1/es not_active Expired
- 1972-10-14 EG EG42372A patent/EG10815A/xx active
- 1972-10-16 IT IT5340272A patent/IT982388B/it active
- 1972-10-16 JP JP10279272A patent/JPS5120361B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7207152D0 (pt) | 1973-09-18 |
| PH9559A (en) | 1976-01-16 |
| DE2250056B2 (de) | 1978-09-07 |
| ES407653A1 (es) | 1975-11-01 |
| EG10815A (en) | 1976-06-30 |
| LU66293A1 (de) | 1973-05-03 |
| AT327968B (de) | 1976-02-25 |
| TR17394A (tr) | 1975-03-24 |
| JPS5120361B2 (de) | 1976-06-24 |
| NL7213882A (de) | 1973-04-17 |
| GB1373048A (en) | 1974-11-06 |
| JPS4861303A (de) | 1973-08-28 |
| DE2250056A1 (de) | 1973-04-19 |
| AR202892A1 (es) | 1975-07-31 |
| IL40524A0 (en) | 1972-12-29 |
| IT982388B (it) | 1974-10-21 |
| IL40524A (en) | 1975-12-31 |
| AU4762972A (en) | 1974-04-26 |
| FR2156349B1 (de) | 1976-08-20 |
| AU462677B2 (en) | 1975-07-03 |
| NL156754B (nl) | 1978-05-16 |
| BE789968A (fr) | 1973-04-12 |
| ATA882072A (de) | 1975-05-15 |
| FR2156349A1 (de) | 1973-05-25 |
| DE2250056C3 (de) | 1979-05-03 |
| US3779741A (en) | 1973-12-18 |
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