ZA958896B - Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to metallic iron - Google Patents
Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to metallic ironInfo
- Publication number
- ZA958896B ZA958896B ZA958896A ZA958896A ZA958896B ZA 958896 B ZA958896 B ZA 958896B ZA 958896 A ZA958896 A ZA 958896A ZA 958896 A ZA958896 A ZA 958896A ZA 958896 B ZA958896 B ZA 958896B
- Authority
- ZA
- South Africa
- Prior art keywords
- iron ore
- heat
- iron
- fine
- conversion
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4437549A DE4437549C2 (de) | 1994-10-20 | 1994-10-20 | Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA958896B true ZA958896B (en) | 1997-04-21 |
Family
ID=6531290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA958896A ZA958896B (en) | 1994-10-20 | 1995-10-20 | Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to metallic iron |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU690737B2 (de) |
BR (1) | BR9504492A (de) |
DE (1) | DE4437549C2 (de) |
MY (1) | MY115972A (de) |
TW (1) | TW297049B (de) |
ZA (1) | ZA958896B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5674308A (en) * | 1994-08-12 | 1997-10-07 | Midrex International B.V. Rotterdam, Zurich Branch | Spouted bed circulating fluidized bed direct reduction system and method |
DE19711629C2 (de) * | 1997-03-20 | 2000-01-13 | Ferrostaal Ag | Verfahren und Vorrichtung zur Vorbereitung von Feinerzen für die Direktreduktion |
DE19718136C2 (de) * | 1997-04-30 | 2003-02-13 | Outokumpu Oy | Verfahren zum thermischen Behandeln von körnigem Eisenerz vor der Reduktion |
DE19960575A1 (de) * | 1999-12-15 | 2001-06-21 | Krupp Polysius Ag | Verfahren und Anlage zur Reduktion von Feinerzen |
AU757017B2 (en) * | 1999-12-16 | 2003-01-30 | Pohang Iron & Steel Co., Ltd. | Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
DE10319625B3 (de) * | 2003-05-02 | 2004-10-14 | Outokumpu Oyj | Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen |
DE10343662B4 (de) * | 2003-09-18 | 2005-10-27 | Outokumpu Oyj | Verfahren und Anlage zur Wärmebehandlung titanhaltiger Feststoffe |
DE102012005454B4 (de) * | 2012-03-20 | 2020-06-18 | Outotec Oyj | Verfahren und Vorrichtung zur Herstellung von gehärteten Granalien aus eisenhaltigen Partikeln |
DE102021112922A1 (de) | 2021-06-02 | 2022-12-08 | Thyssenkrupp Steel Europe Ag | Verfahren zur Direktreduktion von Eisenerz |
CN114941046A (zh) * | 2022-03-28 | 2022-08-26 | 北京科技大学 | 一种基于循环流化床的氢气直接还原铁矿石的系统及方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4307484A1 (de) * | 1993-03-10 | 1994-09-15 | Metallgesellschaft Ag | Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln |
DE4320359C1 (de) * | 1993-06-19 | 1994-10-20 | Metallgesellschaft Ag | Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C |
DE4410093C1 (de) * | 1994-03-24 | 1995-03-09 | Metallgesellschaft Ag | Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen |
-
1994
- 1994-10-20 DE DE4437549A patent/DE4437549C2/de not_active Expired - Lifetime
-
1995
- 1995-07-29 MY MYPI95002193A patent/MY115972A/en unknown
- 1995-10-18 AU AU34306/95A patent/AU690737B2/en not_active Expired
- 1995-10-20 BR BR9504492A patent/BR9504492A/pt not_active IP Right Cessation
- 1995-10-20 ZA ZA958896A patent/ZA958896B/xx unknown
- 1995-11-15 TW TW084112083A patent/TW297049B/zh active
Also Published As
Publication number | Publication date |
---|---|
DE4437549C2 (de) | 1996-08-08 |
MY115972A (en) | 2003-10-31 |
AU690737B2 (en) | 1998-04-30 |
TW297049B (de) | 1997-02-01 |
BR9504492A (pt) | 1997-05-20 |
AU3430695A (en) | 1996-05-02 |
DE4437549A1 (de) | 1996-04-25 |
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