AT381953B - Verfahren und vorrichtung zum direkten reduzieren von eisenoxyd - Google Patents
Verfahren und vorrichtung zum direkten reduzieren von eisenoxydInfo
- Publication number
- AT381953B AT381953B AT0388381A AT388381A AT381953B AT 381953 B AT381953 B AT 381953B AT 0388381 A AT0388381 A AT 0388381A AT 388381 A AT388381 A AT 388381A AT 381953 B AT381953 B AT 381953B
- Authority
- AT
- Austria
- Prior art keywords
- iron oxide
- reducing iron
- directly reducing
- directly
- oxide
- 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
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
-
- 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
- C21B5/00—Making pig-iron in the blast furnace
-
- 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
- C21B2100/42—Sulphur removal
-
- 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)
- Industrial Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/187,024 US4331470A (en) | 1980-09-15 | 1980-09-15 | Method for the direct reduction of iron in a shaft furnace using gas from coal |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA388381A ATA388381A (de) | 1986-05-15 |
AT381953B true AT381953B (de) | 1986-12-29 |
Family
ID=22687305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0388381A AT381953B (de) | 1980-09-15 | 1981-09-08 | Verfahren und vorrichtung zum direkten reduzieren von eisenoxyd |
Country Status (18)
Country | Link |
---|---|
US (1) | US4331470A (de) |
JP (1) | JPS5782417A (de) |
KR (1) | KR840002356B1 (de) |
AT (1) | AT381953B (de) |
AU (1) | AU525672B2 (de) |
BE (1) | BE890196A (de) |
BR (1) | BR8105761A (de) |
CA (1) | CA1172455A (de) |
DD (1) | DD201807A5 (de) |
DE (1) | DE3135914A1 (de) |
GB (1) | GB2083839B (de) |
IN (1) | IN155080B (de) |
NZ (1) | NZ198327A (de) |
PH (2) | PH17080A (de) |
PL (1) | PL137834B1 (de) |
SU (1) | SU1155162A3 (de) |
TR (1) | TR21578A (de) |
ZA (1) | ZA815563B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608240A (en) * | 1983-11-04 | 1986-08-26 | Hylsa, S.A. | Method for the desulfurization of hydrocarbon gas |
IT1177077B (it) * | 1983-12-02 | 1987-08-26 | Skf Steel Eng Ab | Procedimento ed impianto per ridurre materiale ossidico generando simultaneamente un gas idoneo come gas combustibile |
AT381954B (de) * | 1984-08-16 | 1986-12-29 | Voest Alpine Ag | Verfahren zur direktreduktion von eisenoxidhaeltigen materialien |
AT404600B (de) * | 1997-03-12 | 1998-12-28 | Voest Alpine Ind Anlagen | Verfahren und einrichtung zum aufbereiten von reduktionsgas zur reduktion von erzen |
US6149859A (en) * | 1997-11-03 | 2000-11-21 | Texaco Inc. | Gasification plant for direct reduction reactors |
PL3084012T3 (pl) * | 2013-12-20 | 2019-06-28 | Tata Steel Limited | Sposób wytapiania i urządzenie |
CN104561425B (zh) * | 2015-02-12 | 2016-04-13 | 王俊 | 一种气基法微波加热连续工业制取还原铁粉装置及其使用方法 |
CN110453027A (zh) * | 2019-09-11 | 2019-11-15 | 武汉科思瑞迪科技有限公司 | 一种气基和煤基相结合的竖炉直接还原工艺 |
CN110438278A (zh) * | 2019-09-11 | 2019-11-12 | 武汉科思瑞迪科技有限公司 | 一种气基和煤基相结合的竖炉直接还原工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853538A (en) * | 1973-07-20 | 1974-12-10 | Steel Corp | Use of reducing gas by coal gasification for direct iron ore reduction |
DE2438790B2 (de) * | 1974-08-13 | 1976-09-09 | Thyssen Purofer GmbH, 4000 Düsseldorf | Verfahren und anlage zur reduktion von eisenerzen, insbesondere von eisenerzpellets |
US4017305A (en) * | 1975-04-15 | 1977-04-12 | United States Steel Corporation | Process for heat hardening |
US4173465A (en) * | 1978-08-15 | 1979-11-06 | Midrex Corporation | Method for the direct reduction of iron using gas from coal |
-
1980
- 1980-09-15 US US06/187,024 patent/US4331470A/en not_active Expired - Lifetime
-
1981
- 1981-08-12 ZA ZA815563A patent/ZA815563B/xx unknown
- 1981-08-12 CA CA000383738A patent/CA1172455A/en not_active Expired
- 1981-08-14 IN IN913/CAL/81A patent/IN155080B/en unknown
- 1981-08-17 PH PH26056A patent/PH17080A/en unknown
- 1981-08-18 KR KR1019810003026A patent/KR840002356B1/ko active IP Right Grant
- 1981-08-26 TR TR21578A patent/TR21578A/xx unknown
- 1981-08-28 GB GB8126308A patent/GB2083839B/en not_active Expired
- 1981-09-03 BE BE2/59331A patent/BE890196A/fr not_active IP Right Cessation
- 1981-09-08 AT AT0388381A patent/AT381953B/de not_active IP Right Cessation
- 1981-09-09 DD DD81233162A patent/DD201807A5/de unknown
- 1981-09-09 AU AU75075/81A patent/AU525672B2/en not_active Expired
- 1981-09-09 BR BR8105761A patent/BR8105761A/pt unknown
- 1981-09-10 NZ NZ198327A patent/NZ198327A/en unknown
- 1981-09-10 DE DE19813135914 patent/DE3135914A1/de not_active Ceased
- 1981-09-14 PL PL1981233022A patent/PL137834B1/pl unknown
- 1981-09-14 SU SU813335455A patent/SU1155162A3/ru active
- 1981-09-14 JP JP56145416A patent/JPS5782417A/ja active Granted
-
1983
- 1983-07-01 PH PH29162A patent/PH17852A/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL137834B1 (en) | 1986-07-31 |
JPS649376B2 (de) | 1989-02-17 |
PH17080A (en) | 1984-05-24 |
US4331470A (en) | 1982-05-25 |
BR8105761A (pt) | 1982-05-25 |
IN155080B (de) | 1984-12-29 |
KR830006439A (ko) | 1983-09-24 |
AU7507581A (en) | 1982-04-08 |
JPS5782417A (en) | 1982-05-22 |
ATA388381A (de) | 1986-05-15 |
AU525672B2 (en) | 1982-11-18 |
SU1155162A3 (ru) | 1985-05-07 |
PL233022A1 (de) | 1982-08-30 |
GB2083839A (en) | 1982-03-31 |
NZ198327A (en) | 1984-05-31 |
GB2083839B (en) | 1984-07-25 |
PH17852A (en) | 1985-01-09 |
KR840002356B1 (ko) | 1984-12-21 |
DD201807A5 (de) | 1983-08-10 |
CA1172455A (en) | 1984-08-14 |
TR21578A (tr) | 1984-10-16 |
DE3135914A1 (de) | 1982-05-27 |
ZA815563B (en) | 1982-08-25 |
BE890196A (fr) | 1982-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELA | Expired due to lapse of time |