ZA200609569B - A direct reduction apparatus and process - Google Patents
A direct reduction apparatus and process Download PDFInfo
- Publication number
- ZA200609569B ZA200609569B ZA200609569A ZA200609569A ZA200609569B ZA 200609569 B ZA200609569 B ZA 200609569B ZA 200609569 A ZA200609569 A ZA 200609569A ZA 200609569 A ZA200609569 A ZA 200609569A ZA 200609569 B ZA200609569 B ZA 200609569B
- Authority
- ZA
- South Africa
- Prior art keywords
- vessel
- gas
- oxygen
- solids
- lance
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 70
- 230000008569 process Effects 0.000 title claims description 70
- 230000009467 reduction Effects 0.000 title description 17
- 239000007789 gas Substances 0.000 claims description 194
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 155
- 239000007787 solid Substances 0.000 claims description 119
- 229910052760 oxygen Inorganic materials 0.000 claims description 102
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 99
- 239000001301 oxygen Substances 0.000 claims description 99
- 229910052742 iron Inorganic materials 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 53
- 239000002245 particle Substances 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 239000003575 carbonaceous material Substances 0.000 claims description 13
- 238000005054 agglomeration Methods 0.000 claims description 9
- 230000002776 aggregation Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003303 reheating Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 229960003903 oxygen Drugs 0.000 claims description 3
- 208000028659 discharge Diseases 0.000 description 33
- 239000000047 product Substances 0.000 description 33
- 239000003245 coal Substances 0.000 description 32
- 229940090044 injection Drugs 0.000 description 17
- 238000006722 reduction reaction Methods 0.000 description 16
- 238000002156 mixing Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 238000001465 metallisation Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000003039 volatile agent Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229960005419 nitrogen Drugs 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010744 Boudouard reaction Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 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
- C21B13/0033—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
- C21B13/146—Multi-step reduction without melting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
-
- 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
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2004902901A AU2004902901A0 (en) | 2004-05-31 | A direct reduction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200609569B true ZA200609569B (en) | 2008-05-28 |
Family
ID=35448177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200609569A ZA200609569B (en) | 2004-05-31 | 2006-11-17 | A direct reduction apparatus and process |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US7824603B2 (pt) |
| EP (1) | EP1766099B1 (pt) |
| JP (1) | JP4785839B2 (pt) |
| CN (1) | CN100554438C (pt) |
| BR (1) | BRPI0511680B1 (pt) |
| CA (1) | CA2566320C (pt) |
| EA (1) | EA010204B1 (pt) |
| ES (1) | ES2441728T3 (pt) |
| NZ (1) | NZ551517A (pt) |
| PL (1) | PL1766099T3 (pt) |
| TW (1) | TWI379910B (pt) |
| UA (1) | UA86234C2 (pt) |
| WO (1) | WO2005116275A2 (pt) |
| ZA (1) | ZA200609569B (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006981B4 (de) * | 2007-02-07 | 2009-01-29 | Technische Universität Bergakademie Freiberg | Verfahren, Vergasungsreaktor und Anlage zur Flugstromvergasung fester Brennstoffe unter Druck |
| AT507607B1 (de) * | 2008-11-28 | 2011-02-15 | Siemens Vai Metals Tech Gmbh | Düse zum eindüsen von sauerstoffhaltigem gas in ein roheisenaggregat mit injektoreinsatzröhre |
| AT508522B1 (de) | 2009-07-31 | 2011-04-15 | Siemens Vai Metals Tech Gmbh | Reformergasbasiertes reduktionsverfahren mit vermindertem nox-ausstoss |
| DE102010022773B4 (de) | 2010-06-04 | 2012-10-04 | Outotec Oyj | Verfahren und Anlage zur Erzeugung von Roheisen |
| CA2816347C (en) * | 2010-11-03 | 2020-05-19 | Technological Resources Pty. Limited | Production of iron |
| EP4158074A4 (en) * | 2020-05-29 | 2024-05-01 | Technological Resources Pty Limited | DIRECT REDUCTION IRON PRODUCED WITH BIOMASS |
| CN112251599B (zh) * | 2020-10-16 | 2022-08-05 | 中科南京绿色制造产业创新研究院 | 一种氧化锰矿流态化还原装置及方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2921848A (en) * | 1957-11-21 | 1960-01-19 | United States Steel Corp | Fluidized-bed reduction of ore |
| BE759490A (fr) | 1969-11-28 | 1971-04-30 | Nippon Kokan Kk | Procede pour introduire par soufflage un gaz dans un lit fluidise |
| US3928021A (en) * | 1970-12-28 | 1975-12-23 | Nippon Kokan Kk | Process of reducing iron ores |
| SE419129B (sv) * | 1979-05-29 | 1981-07-13 | Stora Kopparbergs Bergslags Ab | Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd |
| SE429898B (sv) * | 1980-01-16 | 1983-10-03 | Stora Kopparbergs Bergslags Ab | Sett att forhindra pakladdning vid reduktion i flytbedd av finfordelat metalloxidhaltigt material |
| JPS56108090A (en) * | 1980-01-31 | 1981-08-27 | Kawasaki Steel Co | Gas blowinggin nozzle for heat medium particle circulation fluid layer |
| JPS6169910A (ja) * | 1984-09-12 | 1986-04-10 | Kobe Steel Ltd | 鉄鉱石の流動層還元方法 |
| DE3626027A1 (de) * | 1986-08-01 | 1988-02-11 | Metallgesellschaft Ag | Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln |
| CN2195077Y (zh) * | 1994-06-17 | 1995-04-19 | 冶金工业部鞍山热能研究院 | 炼钢熔池喷吹热物料用的氧燃枪 |
| KR100270113B1 (ko) * | 1996-10-08 | 2000-10-16 | 이구택 | 극저탄소강의 용강 제조장치 |
| JPH11131118A (ja) * | 1997-10-31 | 1999-05-18 | Nkk Corp | 予備還元炉 |
| US20030090044A1 (en) | 2001-11-14 | 2003-05-15 | Xueping Li | Method and apparatus for melting metal in a shaft furnace |
| GB0128878D0 (en) * | 2001-12-03 | 2002-01-23 | Boc Group Plc | Metallurgical lance and apparatus |
| UA77355C2 (en) * | 2002-12-23 | 2006-11-15 | Method and apparatus for manufacturing molten iron |
-
2005
- 2005-05-20 ES ES05741974.9T patent/ES2441728T3/es active Active
- 2005-05-20 BR BRPI0511680A patent/BRPI0511680B1/pt not_active IP Right Cessation
- 2005-05-20 EP EP05741974.9A patent/EP1766099B1/en active Active
- 2005-05-20 PL PL05741974T patent/PL1766099T3/pl unknown
- 2005-05-20 EA EA200601978A patent/EA010204B1/ru not_active IP Right Cessation
- 2005-05-20 CN CNB2005800177392A patent/CN100554438C/zh not_active Expired - Fee Related
- 2005-05-20 US US11/569,734 patent/US7824603B2/en not_active Expired - Fee Related
- 2005-05-20 UA UAA200612407A patent/UA86234C2/uk unknown
- 2005-05-20 JP JP2007513760A patent/JP4785839B2/ja not_active Expired - Fee Related
- 2005-05-20 WO PCT/EP2005/005471 patent/WO2005116275A2/en active Application Filing
- 2005-05-20 CA CA2566320A patent/CA2566320C/en not_active Expired - Fee Related
- 2005-05-20 NZ NZ551517A patent/NZ551517A/en not_active IP Right Cessation
- 2005-05-30 TW TW094117636A patent/TWI379910B/zh not_active IP Right Cessation
-
2006
- 2006-11-17 ZA ZA200609569A patent/ZA200609569B/en unknown
-
2010
- 2010-07-08 US US12/832,847 patent/US7947107B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1961083A (zh) | 2007-05-09 |
| CN100554438C (zh) | 2009-10-28 |
| US7947107B2 (en) | 2011-05-24 |
| BRPI0511680A (pt) | 2008-01-08 |
| EP1766099B1 (en) | 2013-11-06 |
| EP1766099A2 (en) | 2007-03-28 |
| PL1766099T3 (pl) | 2014-04-30 |
| JP2008501098A (ja) | 2008-01-17 |
| WO2005116275A2 (en) | 2005-12-08 |
| CA2566320A1 (en) | 2005-12-08 |
| UA86234C2 (uk) | 2009-04-10 |
| US20080210055A1 (en) | 2008-09-04 |
| NZ551517A (en) | 2009-07-31 |
| TW200611979A (en) | 2006-04-16 |
| EA010204B1 (ru) | 2008-06-30 |
| WO2005116275A3 (en) | 2006-03-09 |
| JP4785839B2 (ja) | 2011-10-05 |
| CA2566320C (en) | 2012-11-27 |
| EA200601978A1 (ru) | 2007-06-29 |
| BRPI0511680B1 (pt) | 2016-03-29 |
| US20100269636A1 (en) | 2010-10-28 |
| TWI379910B (en) | 2012-12-21 |
| US7824603B2 (en) | 2010-11-02 |
| ES2441728T3 (es) | 2014-02-06 |
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