BR9907794A - Aparelho redutor de minério de ferro fino do tipo de leito fluidizado, e método para o mesmo - Google Patents
Aparelho redutor de minério de ferro fino do tipo de leito fluidizado, e método para o mesmoInfo
- Publication number
- BR9907794A BR9907794A BR9907794A BR9907794A BR9907794A BR 9907794 A BR9907794 A BR 9907794A BR 9907794 A BR9907794 A BR 9907794A BR 9907794 A BR9907794 A BR 9907794A BR 9907794 A BR9907794 A BR 9907794A
- Authority
- BR
- Brazil
- Prior art keywords
- fluidized bed
- iron ore
- bed type
- oven
- cyclone
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 16
- 229910052742 iron Inorganic materials 0.000 title abstract 8
- 239000002245 particle Substances 0.000 abstract 4
- 239000012530 fluid Substances 0.000 abstract 2
- 239000000446 fuel Substances 0.000 abstract 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 abstract 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
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or 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
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or 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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980053955A KR100321050B1 (ko) | 1998-12-09 | 1998-12-09 | 분철광석의유동층식예비환원장치및이를이용한예비환원방법 |
| PCT/KR1999/000729 WO2000034531A1 (en) | 1998-12-09 | 1999-12-03 | Fluidized bed type fine iron ore reducing apparatus, and method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9907794A true BR9907794A (pt) | 2000-10-24 |
Family
ID=19562041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9907794A BR9907794A (pt) | 1998-12-09 | 1999-12-03 | Aparelho redutor de minério de ferro fino do tipo de leito fluidizado, e método para o mesmo |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1055006A1 (xx) |
| JP (1) | JP2002531705A (xx) |
| KR (1) | KR100321050B1 (xx) |
| AU (1) | AU1513200A (xx) |
| BR (1) | BR9907794A (xx) |
| CA (1) | CA2320242A1 (xx) |
| WO (1) | WO2000034531A1 (xx) |
| ZA (1) | ZA200004742B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT409387B (de) * | 2000-06-28 | 2002-07-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur gasreduktion von teilchenförmigen oxidhältigen erzen |
| BRPI0317279B8 (pt) * | 2002-12-23 | 2017-04-18 | Posco | método e equipamento de fabricação de ferro fundido |
| CA2511731C (en) * | 2002-12-23 | 2012-08-21 | Posco | An improved fluidized bed apparatus for molten iron production and method using the same |
| US8968693B2 (en) | 2012-08-30 | 2015-03-03 | Honeywell International Inc. | Internal cyclone for fluidized bed reactor |
| KR102153185B1 (ko) * | 2018-11-28 | 2020-09-07 | 주식회사 포스코 | 리튬함유 광석으로부터 황산리튬용액을 제조하는 방법 및 장치 |
| KR20240076517A (ko) * | 2022-11-22 | 2024-05-30 | 주식회사 포스코 | 환원로 및 환원철의 제조 방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970003636B1 (ko) * | 1994-12-31 | 1997-03-20 | 포항종합제철 주식회사 | 용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로 |
| KR100213327B1 (ko) * | 1995-12-29 | 1999-08-02 | 이구택 | 분철광석의 3단 유동층로식 환원장치 |
-
1998
- 1998-12-09 KR KR1019980053955A patent/KR100321050B1/ko not_active Expired - Fee Related
-
1999
- 1999-12-03 WO PCT/KR1999/000729 patent/WO2000034531A1/en not_active Ceased
- 1999-12-03 EP EP19990957428 patent/EP1055006A1/en not_active Withdrawn
- 1999-12-03 CA CA 2320242 patent/CA2320242A1/en not_active Abandoned
- 1999-12-03 JP JP2000586963A patent/JP2002531705A/ja active Pending
- 1999-12-03 BR BR9907794A patent/BR9907794A/pt not_active Application Discontinuation
- 1999-12-03 AU AU15132/00A patent/AU1513200A/en not_active Abandoned
-
2000
- 2000-09-08 ZA ZA200004742A patent/ZA200004742B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU1513200A (en) | 2000-06-26 |
| JP2002531705A (ja) | 2002-09-24 |
| KR20000038827A (ko) | 2000-07-05 |
| KR100321050B1 (ko) | 2002-04-17 |
| EP1055006A1 (en) | 2000-11-29 |
| CA2320242A1 (en) | 2000-06-15 |
| WO2000034531A1 (en) | 2000-06-15 |
| ZA200004742B (en) | 2001-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
| B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |