ZA904150B - Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases - Google Patents
Pre-heating and pre-reduction of metal oxide ore using high temperature off-gasesInfo
- Publication number
- ZA904150B ZA904150B ZA904150A ZA904150A ZA904150B ZA 904150 B ZA904150 B ZA 904150B ZA 904150 A ZA904150 A ZA 904150A ZA 904150 A ZA904150 A ZA 904150A ZA 904150 B ZA904150 B ZA 904150B
- Authority
- ZA
- South Africa
- Prior art keywords
- particles
- stream
- pct
- treatment chamber
- high temperature
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1836—Heating and cooling the reactor
-
- 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
- C22B1/02—Roasting processes
- C22B1/10—Roasting processes in fluidised form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/32—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with introduction into the fluidised bed of more than one kind of moving particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- 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
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
- C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacture Of Iron (AREA)
- Treating Waste Gases (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPJ454589 | 1989-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA904150B true ZA904150B (en) | 1991-08-28 |
Family
ID=3773964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA904150A ZA904150B (en) | 1989-06-02 | 1990-05-30 | Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases |
Country Status (15)
Country | Link |
---|---|
US (1) | US5201940A (xx) |
EP (1) | EP0474704B1 (xx) |
JP (1) | JP3136155B2 (xx) |
KR (1) | KR0169483B1 (xx) |
CN (1) | CN1028544C (xx) |
AT (1) | ATE163202T1 (xx) |
AU (1) | AU629949B2 (xx) |
BR (1) | BR9007413A (xx) |
CA (1) | CA2047188A1 (xx) |
DE (1) | DE69032041T2 (xx) |
ES (1) | ES2114861T3 (xx) |
HU (1) | HU209657B (xx) |
RU (1) | RU2111260C1 (xx) |
WO (1) | WO1990015162A1 (xx) |
ZA (1) | ZA904150B (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT405650B (de) * | 1996-10-08 | 1999-10-25 | Voest Alpine Ind Anlagen | Verfahren zum einblasen von metalloxidhältigen feinteilchen in ein reduktionsgas |
AT404138B (de) * | 1996-10-08 | 1998-08-25 | Voest Alpine Ind Anlagen | Verfahren zur herstellung von flüssigem roheisen oder stahlvorprodukten sowie anlage zur durchführung des verfahrens |
AT404912B (de) * | 1996-11-04 | 1999-03-25 | Plansee Ag | Verfahren zur herstellung von pulver-pressansätzen für feinkörniges hartmetall |
NZ546448A (en) * | 2003-10-21 | 2009-09-25 | Outotec Oyj | Direct smelting plant and process |
US20070238899A9 (en) * | 2004-09-02 | 2007-10-11 | Robert Lin | Optimized production of aromatic dicarboxylic acids |
DE102009038052B4 (de) | 2009-08-19 | 2012-09-27 | Wolfgang Krumm | Verhüttungsverfahren durch Einsatz eines vorreduzierten Ilmeniterzstromes und/oder Hämatiterzstromes |
WO2017014699A1 (en) * | 2015-07-23 | 2017-01-26 | Limastian Narong | Method of utilizing furnace off-gas for reduction of iron oxide pellets |
SE543341C2 (en) * | 2019-04-01 | 2020-12-08 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
CN111534691A (zh) * | 2020-05-18 | 2020-08-14 | 明拓集团铬业科技有限公司 | 一种循环利用密闭矿热炉尾气生产高碳铬铁的工艺 |
CN112063860B (zh) * | 2020-08-31 | 2022-08-05 | 中国科学院过程工程研究所 | 一种从含铬物料中提取铬的方法 |
CN115710610A (zh) * | 2022-10-31 | 2023-02-24 | 山东祥桓环境科技有限公司 | 一种基于煤粉和铁矿粉的富氢冶炼装置及工艺 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3910769A (en) * | 1972-12-06 | 1975-10-07 | Exxon Research Engineering Co | Apparatus for fluidized solid systems |
US4072504A (en) * | 1973-01-26 | 1978-02-07 | Aktiebolaget Svenska Kullagerfabriken | Method of producing metal from metal oxides |
US4207093A (en) * | 1976-10-29 | 1980-06-10 | Meurville Manuel D P De | Process for reducing metal oxide containing ores |
DE2735565C2 (de) * | 1977-08-06 | 1986-01-02 | Carl Still Gmbh & Co Kg, 4350 Recklinghausen | Einhitziges Verfahren zur Erzeugung von im wesentlichen aus Kohlenoxid und Wasserstoff bestehenden Reduktionsgasen für Erzreduktionen und Vorrichtung zu seiner Durchführung |
DE2843303C2 (de) * | 1978-10-04 | 1982-12-16 | Korf-Stahl Ag, 7570 Baden-Baden | Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser |
SE439932B (sv) * | 1980-11-10 | 1985-07-08 | Skf Steel Eng Ab | Forfarande for framstellning av metall ur finkorniga metalloxidmaterial |
US4428772A (en) * | 1981-12-02 | 1984-01-31 | Hylsa, S.A. | Method for reducing metal ore |
ATE105872T1 (de) * | 1988-02-12 | 1994-06-15 | Kloeckner Cra Patent | Verfahren und vorrichtung zur nachverbrennung. |
NO164608C (no) * | 1988-04-20 | 1990-10-24 | Elkem Technology | Fremgangsmaate for fremstilling av metaller eller ferrolegeringer ved direkte reduksjon samt kolonne for behandling av finkornede materialer med gass. |
-
1990
- 1990-05-30 BR BR909007413A patent/BR9007413A/pt not_active IP Right Cessation
- 1990-05-30 AT AT90908418T patent/ATE163202T1/de not_active IP Right Cessation
- 1990-05-30 WO PCT/AU1990/000232 patent/WO1990015162A1/en active IP Right Grant
- 1990-05-30 CA CA002047188A patent/CA2047188A1/en not_active Abandoned
- 1990-05-30 EP EP90908418A patent/EP0474704B1/en not_active Expired - Lifetime
- 1990-05-30 KR KR1019910701688A patent/KR0169483B1/ko not_active IP Right Cessation
- 1990-05-30 ZA ZA904150A patent/ZA904150B/xx unknown
- 1990-05-30 RU SU5010610A patent/RU2111260C1/ru active
- 1990-05-30 ES ES90908418T patent/ES2114861T3/es not_active Expired - Lifetime
- 1990-05-30 AU AU57221/90A patent/AU629949B2/en not_active Ceased
- 1990-05-30 DE DE69032041T patent/DE69032041T2/de not_active Expired - Fee Related
- 1990-05-30 JP JP02507866A patent/JP3136155B2/ja not_active Expired - Fee Related
- 1990-05-30 HU HU905235A patent/HU209657B/hu not_active IP Right Cessation
- 1990-05-30 US US07/768,431 patent/US5201940A/en not_active Expired - Fee Related
- 1990-06-02 CN CN90104064A patent/CN1028544C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1047701A (zh) | 1990-12-12 |
EP0474704A1 (en) | 1992-03-18 |
DE69032041D1 (de) | 1998-03-19 |
JPH04505945A (ja) | 1992-10-15 |
DE69032041T2 (de) | 1998-10-01 |
ATE163202T1 (de) | 1998-02-15 |
KR920701494A (ko) | 1992-08-11 |
AU629949B2 (en) | 1992-10-15 |
KR0169483B1 (ko) | 1999-01-15 |
CN1028544C (zh) | 1995-05-24 |
EP0474704A4 (en) | 1993-12-01 |
HUT58828A (en) | 1992-03-30 |
BR9007413A (pt) | 1992-04-14 |
AU5722190A (en) | 1991-01-07 |
ES2114861T3 (es) | 1998-06-16 |
CA2047188A1 (en) | 1990-12-03 |
HU209657B (en) | 1994-10-28 |
WO1990015162A1 (en) | 1990-12-13 |
US5201940A (en) | 1993-04-13 |
JP3136155B2 (ja) | 2001-02-19 |
EP0474704B1 (en) | 1998-02-11 |
HU905235D0 (en) | 1992-02-28 |
RU2111260C1 (ru) | 1998-05-20 |
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