ZA200102308B - 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus. - Google Patents
2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus. Download PDFInfo
- Publication number
- ZA200102308B ZA200102308B ZA200102308A ZA200102308A ZA200102308B ZA 200102308 B ZA200102308 B ZA 200102308B ZA 200102308 A ZA200102308 A ZA 200102308A ZA 200102308 A ZA200102308 A ZA 200102308A ZA 200102308 B ZA200102308 B ZA 200102308B
- Authority
- ZA
- South Africa
- Prior art keywords
- fluidized bed
- bed type
- iron ore
- type furnace
- fine iron
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 67
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 122
- 230000005587 bubbling Effects 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005243 fluidization Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 10
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000005465 channeling Effects 0.000 abstract 1
- 230000005856 abnormality Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100348341 Caenorhabditis elegans gas-1 gene Proteins 0.000 description 1
- 101100447658 Mus musculus Gas1 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 238000007873 sieving Methods 0.000 description 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
- 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
- C21B2100/40—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
- C21B2100/66—Heat exchange
-
- 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
-
- 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
- Y02P10/25—Process efficiency
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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR1999/000325 WO2000079013A1 (en) | 1999-06-21 | 1999-06-21 | 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200102308B true ZA200102308B (en) | 2002-01-28 |
Family
ID=19570888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200102308A ZA200102308B (en) | 1999-06-21 | 2001-03-20 | 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6491738B1 (ja) |
| EP (1) | EP1109940B1 (ja) |
| JP (1) | JP3459824B2 (ja) |
| AT (1) | ATE247177T1 (ja) |
| AU (1) | AU746094B2 (ja) |
| CA (1) | CA2341365C (ja) |
| DE (1) | DE69910407T2 (ja) |
| RU (1) | RU2195500C2 (ja) |
| UA (1) | UA46174C2 (ja) |
| WO (1) | WO2000079013A1 (ja) |
| ZA (1) | ZA200102308B (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2289633C2 (ru) * | 2001-06-19 | 2006-12-20 | Фоест-Альпине Индустрианлагенбау Гмбх Унд Ко | Способ и устройство для обработки материала в виде частиц |
| US8287619B2 (en) * | 2010-06-08 | 2012-10-16 | C.V.G. Ferrominera Orinoco C.A. | Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content |
| KR101353456B1 (ko) * | 2011-12-28 | 2014-01-21 | 주식회사 포스코 | 분철 및 환원철 제조장치 및 그 방법 |
| DE102016103349A1 (de) * | 2016-02-25 | 2017-08-31 | Outotec (Finland) Oy | Verfahren und Vorrichtung zur thermischen Behandlung eines verunreinigten Feststoffes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217615A (ja) | 1982-06-09 | 1983-12-17 | Kawasaki Steel Corp | 溶融還元装置における予備還元炉 |
| JP3248916B2 (ja) * | 1994-12-29 | 2002-01-21 | ポハング アイアン アンド スチール カンパニー リミテッド | 鉄鋼石用流動層型還元装置及び該装置を使用した鉄鋼石の還元方法 |
| 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 |
-
1999
- 1999-06-21 JP JP2001505356A patent/JP3459824B2/ja not_active Expired - Fee Related
- 1999-06-21 RU RU2001107608A patent/RU2195500C2/ru not_active IP Right Cessation
- 1999-06-21 CA CA 2341365 patent/CA2341365C/en not_active Expired - Fee Related
- 1999-06-21 DE DE1999610407 patent/DE69910407T2/de not_active Expired - Lifetime
- 1999-06-21 AU AU43987/99A patent/AU746094B2/en not_active Ceased
- 1999-06-21 WO PCT/KR1999/000325 patent/WO2000079013A1/en active IP Right Grant
- 1999-06-21 AT AT99926977T patent/ATE247177T1/de active
- 1999-06-21 EP EP99926977A patent/EP1109940B1/en not_active Expired - Lifetime
- 1999-06-21 UA UA2001031886A patent/UA46174C2/uk unknown
- 1999-06-21 US US09/763,299 patent/US6491738B1/en not_active Expired - Fee Related
-
2001
- 2001-03-20 ZA ZA200102308A patent/ZA200102308B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| UA46174C2 (uk) | 2002-05-15 |
| RU2195500C2 (ru) | 2002-12-27 |
| AU4398799A (en) | 2001-01-09 |
| JP3459824B2 (ja) | 2003-10-27 |
| DE69910407D1 (de) | 2003-09-18 |
| JP2003502503A (ja) | 2003-01-21 |
| US6491738B1 (en) | 2002-12-10 |
| ATE247177T1 (de) | 2003-08-15 |
| WO2000079013A1 (en) | 2000-12-28 |
| DE69910407T2 (de) | 2004-07-08 |
| AU746094B2 (en) | 2002-04-18 |
| CA2341365A1 (en) | 2000-12-28 |
| EP1109940B1 (en) | 2003-08-13 |
| EP1109940A1 (en) | 2001-06-27 |
| CA2341365C (en) | 2005-04-12 |
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