FR2197985A1 - Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling - Google Patents
Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recyclingInfo
- Publication number
- FR2197985A1 FR2197985A1 FR7232330A FR7232330A FR2197985A1 FR 2197985 A1 FR2197985 A1 FR 2197985A1 FR 7232330 A FR7232330 A FR 7232330A FR 7232330 A FR7232330 A FR 7232330A FR 2197985 A1 FR2197985 A1 FR 2197985A1
- Authority
- FR
- France
- Prior art keywords
- iron ore
- reducing gas
- shaft furnace
- gas recycling
- oxygen blast
- 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.)
- Granted
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
- C21B13/02—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
- C21B13/0073—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
- C21B2100/40—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
- Y02P10/134—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)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7232330A FR2197985A1 (en) | 1972-09-06 | 1972-09-06 | Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling |
CA180,362A CA1027762A (fr) | 1972-09-06 | 1973-09-05 | Procede et installation de reduction du minerai de fer |
BR685673A BR7306856D0 (pt) | 1972-09-06 | 1973-09-05 | Processo de reducao direta de minerio de ferro, forno de cadinho para a execucao do processo,e instalacao de reduca |
BE135348A BE804494A (fr) | 1972-09-06 | 1973-09-05 | Procede et installation de reduction du minerai de fer |
JP10103373A JPS49123919A (fr) | 1972-09-06 | 1973-09-06 | |
DE19732345083 DE2345083C3 (de) | 1972-09-06 | 1973-09-06 | Verfahren und Vorrichtung zur Reduktion von Eisenerz |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7232330A FR2197985A1 (en) | 1972-09-06 | 1972-09-06 | Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2197985A1 true FR2197985A1 (en) | 1974-03-29 |
FR2197985B1 FR2197985B1 (fr) | 1976-08-13 |
Family
ID=9104173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7232330A Granted FR2197985A1 (en) | 1972-09-06 | 1972-09-06 | Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS49123919A (fr) |
BE (1) | BE804494A (fr) |
BR (1) | BR7306856D0 (fr) |
CA (1) | CA1027762A (fr) |
FR (1) | FR2197985A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427013A (en) * | 1966-09-08 | 1969-02-11 | Steep Rock Iron Mines Ltd | Low temperature blast furnace and method therefor |
-
1972
- 1972-09-06 FR FR7232330A patent/FR2197985A1/fr active Granted
-
1973
- 1973-09-05 CA CA180,362A patent/CA1027762A/fr not_active Expired
- 1973-09-05 BR BR685673A patent/BR7306856D0/pt unknown
- 1973-09-05 BE BE135348A patent/BE804494A/fr unknown
- 1973-09-06 JP JP10103373A patent/JPS49123919A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427013A (en) * | 1966-09-08 | 1969-02-11 | Steep Rock Iron Mines Ltd | Low temperature blast furnace and method therefor |
Also Published As
Publication number | Publication date |
---|---|
CA1027762A (fr) | 1978-03-14 |
JPS49123919A (fr) | 1974-11-27 |
BR7306856D0 (pt) | 1974-07-11 |
DE2345083B2 (de) | 1977-02-10 |
DE2345083A1 (de) | 1974-03-14 |
FR2197985B1 (fr) | 1976-08-13 |
BE804494A (fr) | 1974-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |