NO305563B1 - FremgangsmÕte for forvarming av jernholdig reaktortilf°rsel f°r behandling i en reaktor med fluidisert skikt - Google Patents

FremgangsmÕte for forvarming av jernholdig reaktortilf°rsel f°r behandling i en reaktor med fluidisert skikt

Info

Publication number
NO305563B1
NO305563B1 NO930327A NO930327A NO305563B1 NO 305563 B1 NO305563 B1 NO 305563B1 NO 930327 A NO930327 A NO 930327A NO 930327 A NO930327 A NO 930327A NO 305563 B1 NO305563 B1 NO 305563B1
Authority
NO
Norway
Prior art keywords
reactor
treatment
fluidized bed
supply
preheating
Prior art date
Application number
NO930327A
Other languages
English (en)
Norwegian (no)
Other versions
NO930327D0 (no
NO930327L (no
Inventor
John P Hager
Frank A Stephens
Jr Frank M Stephens
Original Assignee
Iron Carbide Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iron Carbide Holdings Ltd filed Critical Iron Carbide Holdings Ltd
Publication of NO930327D0 publication Critical patent/NO930327D0/no
Publication of NO930327L publication Critical patent/NO930327L/no
Publication of NO305563B1 publication Critical patent/NO305563B1/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0033In fluidised bed furnaces or apparatus containing a dispersion of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24Chemical 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
    • B01J8/36Chemical 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 fluidised bed through which there is an essentially horizontal flow of particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • C01B32/914Carbides of single elements
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/12Dry methods smelting of sulfides or formation of mattes by gases
    • C22B5/14Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Manufacture Of Iron (AREA)
NO930327A 1990-08-01 1993-01-29 FremgangsmÕte for forvarming av jernholdig reaktortilf°rsel f°r behandling i en reaktor med fluidisert skikt NO305563B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/561,189 US5137566A (en) 1990-08-01 1990-08-01 Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
PCT/US1991/005198 WO1992002646A1 (fr) 1990-08-01 1991-07-23 Procede de prechauffage d'une charge de reacteur contenant du fer avant traitement dans un reacteur a lit fluidifie

Publications (3)

Publication Number Publication Date
NO930327D0 NO930327D0 (no) 1993-01-29
NO930327L NO930327L (no) 1993-01-29
NO305563B1 true NO305563B1 (no) 1999-06-21

Family

ID=24240992

Family Applications (1)

Application Number Title Priority Date Filing Date
NO930327A NO305563B1 (no) 1990-08-01 1993-01-29 FremgangsmÕte for forvarming av jernholdig reaktortilf°rsel f°r behandling i en reaktor med fluidisert skikt

Country Status (12)

Country Link
US (1) US5137566A (fr)
EP (1) EP0542885B1 (fr)
JP (1) JPH06501983A (fr)
KR (1) KR100237724B1 (fr)
AT (1) ATE174069T1 (fr)
AU (1) AU658146B2 (fr)
BR (1) BR9106709A (fr)
CA (1) CA2087609C (fr)
DE (1) DE69130568T2 (fr)
NO (1) NO305563B1 (fr)
RU (1) RU2087543C1 (fr)
WO (1) WO1992002646A1 (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
ATE176331T1 (de) * 1990-08-01 1999-02-15 Iron Carbide Holdings Ltd Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
EP0630975B1 (fr) * 1993-06-19 1997-07-23 Metallgesellschaft Ag Procédé de réduction directe de matières contenant de l'oxyde de fer
DE4320359C1 (de) * 1993-06-19 1994-10-20 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C
US5474280A (en) * 1993-08-20 1995-12-12 Martin; Charles A. Apparatus for preheating a reactor feed
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide
US5869018A (en) * 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace
US5618032A (en) * 1994-05-04 1997-04-08 Midrex International B.V. Rotterdam, Zurich Branch Shaft furnace for production of iron carbide
US5435831A (en) * 1994-08-12 1995-07-25 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidizable bed co-processing of fines in a direct reduction system
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
CN1047631C (zh) * 1994-12-20 1999-12-22 Usx有限公司 由碳化铁制造钢的方法和装置
US5733358A (en) * 1994-12-20 1998-03-31 Usx Corporation And Praxair Technology, Inc. Process and apparatus for the manufacture of steel from iron carbide
JP3299063B2 (ja) * 1995-01-20 2002-07-08 義章 井口 炭化鉄の製造法
US5945083A (en) * 1995-03-10 1999-08-31 Kawasaki Jukogyo Kabushiki Kaisha Process for producing iron carbide and equipment therefor
JP2635945B2 (ja) * 1995-03-10 1997-07-30 川崎重工業株式会社 アイアンカーバイドの製造方法および装置
JPH08261658A (ja) * 1995-03-22 1996-10-11 Kawasaki Heavy Ind Ltd 仕切板を有する流動層炉
US5690717A (en) * 1995-03-29 1997-11-25 Iron Carbide Holdings, Ltd. Iron carbide process
JP2727436B2 (ja) * 1995-05-31 1998-03-11 川崎重工業株式会社 鉄カーバイドの製造方法及び製造装置
US5733357A (en) * 1996-02-05 1998-03-31 Iron Carbide Holdings, Ltd. Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent
JP3294763B2 (ja) * 1996-06-19 2002-06-24 昭二 林 炭化鉄の製法
US5804156A (en) * 1996-07-19 1998-09-08 Iron Carbide Holdings, Ltd. Iron carbide process
US5810906A (en) * 1996-08-28 1998-09-22 Iron Carbide Holdings, Ltd. Method for preheating feed materials for the production of iron carbide
AT406382B (de) * 1996-11-06 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material
AT404256B (de) * 1996-11-06 1998-10-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm
WO1998030497A1 (fr) * 1997-01-13 1998-07-16 Kawasaki Jukogyo Kabushiki Kaisha Procede et appareil de fabrication de carbure de fer
JP2938825B2 (ja) * 1997-02-28 1999-08-25 川崎重工業株式会社 鉄カーバイドの製造方法
DE19717304C2 (de) 1997-04-24 1999-05-27 Metallgesellschaft Ag Verfahren zum Erzeugen von Eisencarbid aus körnigem Eisenschwamm
JPH11171527A (ja) * 1997-12-04 1999-06-29 Kawasaki Heavy Ind Ltd 鉄カーバイドの製造方法
EP1072855B1 (fr) * 1998-02-20 2006-11-02 Kawasaki Jukogyo Kabushiki Kaisha Four a lit fluidise divise en chambres multiples
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US6063155A (en) * 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
US7232542B2 (en) 2004-04-05 2007-06-19 Aker Kvaerner Metals, Inc. Preheating cold blast air of a blast furnace for tempering the hot blast temperature
US7285257B2 (en) * 2004-04-27 2007-10-23 Honeywell International Inc. Method of removing tar-forming gases from CVD/CVI furnace effluent
JP5503472B2 (ja) * 2010-09-07 2014-05-28 株式会社神戸製鋼所 還元鉄の製造方法
SE543642C2 (en) 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal
SE544421C2 (en) 2020-06-26 2022-05-17 Greeniron H2 Ab Method and device for producing direct reduced metal

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535042A (en) * 1950-01-05 1950-12-26 Ernst M Cohn Preparation of iron carbides
US2780537A (en) * 1952-11-24 1957-02-05 Stelling Process of treating pulverulent iron oxides
US2752234A (en) * 1955-07-07 1956-06-26 United States Steel Corp Process for continuous gaseous reduction of iron ore in a fluidized bed system
US2894831A (en) * 1956-11-28 1959-07-14 Old Bruce Scott Process of fluidized bed reduction of iron ore followed by electric furnace melting
US2921848A (en) * 1957-11-21 1960-01-19 United States Steel Corp Fluidized-bed reduction of ore
US2864688A (en) * 1958-01-28 1958-12-16 United States Steel Corp Two-step method of removing oxygen from iron oxide
US3021208A (en) * 1961-03-23 1962-02-13 United States Steel Corp Method of reducing ore in a fluidized bed
US3356488A (en) * 1964-02-24 1967-12-05 John H Walsh Process for utilizing hydrocarbon injection into hot reducing gases in steelmaking
US3385023A (en) * 1965-08-31 1968-05-28 American Thread Co Apparatus and method for packaging shuttle bobbins
US3928021A (en) * 1970-12-28 1975-12-23 Nippon Kokan Kk Process of reducing iron ores
US3761244A (en) * 1971-07-19 1973-09-25 Hydrocarbon Research Inc Process for the controlled reduction of iron ores in a helical heating zone
US3885023A (en) * 1973-02-15 1975-05-20 Phillips Petroleum Co Preparation of iron carbide (Fe{hd 3{b C)
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
US4202534A (en) * 1978-04-24 1980-05-13 HICAP Engineering & Development Corp. Method and apparatus for producing metallized iron ore
SE419100B (sv) * 1979-03-01 1981-07-13 Lindstroem O Sett for reduktion av finfordelat jernoxidhaltigt material
AU523334B2 (en) * 1979-05-23 1982-07-22 Hazen Research Inc. Concentrating iron in iron ore
DE3629589A1 (de) * 1986-08-30 1988-03-03 Krupp Gmbh Verfahren zur herstellung von eisen aus feinkoernigen eisenerzen
FI84841C (sv) * 1988-03-30 1992-01-27 Ahlstroem Oy Förfarande och anordning för reduktion av metalloxidhaltigt material
ATE176331T1 (de) * 1990-08-01 1999-02-15 Iron Carbide Holdings Ltd Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide

Also Published As

Publication number Publication date
NO930327D0 (no) 1993-01-29
WO1992002646A1 (fr) 1992-02-20
KR100237724B1 (en) 2000-01-15
RU2087543C1 (ru) 1997-08-20
US5137566A (en) 1992-08-11
EP0542885A1 (fr) 1993-05-26
DE69130568D1 (de) 1999-01-14
AU658146B2 (en) 1995-04-06
NO930327L (no) 1993-01-29
EP0542885A4 (fr) 1994-03-09
CA2087609A1 (fr) 1992-02-02
ATE174069T1 (de) 1998-12-15
EP0542885B1 (fr) 1998-12-02
AU8404191A (en) 1992-03-02
CA2087609C (fr) 1999-07-13
BR9106709A (pt) 1993-08-03
DE69130568T2 (de) 1999-05-06
JPH06501983A (ja) 1994-03-03

Similar Documents

Publication Publication Date Title
NO305563B1 (no) FremgangsmÕte for forvarming av jernholdig reaktortilf°rsel f°r behandling i en reaktor med fluidisert skikt
RU93004932A (ru) Способ переработки реакторного сырья в карбид железа
HUT49346A (en) Process for production of derivatives of 2-/2-piridil-methil-sulphinil/-benzimidasole
ATE166926T1 (de) Schmelz-reduktionsverfahren zur erzeugung von roheisen im konverter
GR3019814T3 (en) Process for producing intermediates for use in production of alkoxyiminoacetamides
SG46687A1 (en) Process for controlling the product quality in the conversion of reactor feed into iron carbide
DE69930565D1 (de) Fliessbettverfahren für die Herstellung von Eisencarbid
ATA223294A (de) Verfahren zum herstellen von eisenschwamm sowie anlage zur durchführung des verfahrens
DE3874086D1 (de) Verfahren zur vorbehandlung eines stueckigen kohlenstofftraegers.
ZA876901B (en) An improved method for producing composite ceramic structures using dross
EP0543095A3 (en) Method for producing 2-amino-6-halogenopurine and synthesis intermediate therefor
FR2483468B2 (fr)
NO943435L (no) Fremgangsmåte for kontinuerlig fremstilling av aluminiumnitrid ved karbonitridering av aluminiumoksyd i en reaktor med strömmende sjikt
DE69114338D1 (de) Verfahren zum Herstellen von Calciumoxid.
GR880300007T1 (en) Process to work up carbon-containing wastes
MX9300956A (es) Procedimiento para la produccion de n-alquil y n-cicloalquil 2-benzotiazoulsulfenimidas.
DE2964019D1 (en) Process for the preparation of beta-(5-nitro-2-furyl)-acrolein
DK109990A (da) Fremgangsmaade og apparat til fremstilling af gas ud fra et findelt biologisk affaldsmateriale
KR940002360A (ko) 미생물을 이용한 5-히드록시피라진카본산 및 그의 염의 제조방법
GEP19950099B (en) Method for Production of Metal Arsenic
HUT34442A (en) Process for producing n-aryl-halo-pyrrolidones
KR920002468A (ko) 유동화상 이산화 티탄 염소화기로 부터 일산화탄소 방출을 감소시키는 방법
GB2210609A (en) Process for surface treating clay minerals and reactive intermediates produced by said process
GB907354A (en) Iron ore reduction
IT1255521B (it) Procedimento migliorato per la produzione di acidi unici rigenerati dacarbone

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN JANUARY 2001