ATE176331T1 - Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid - Google Patents

Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid

Info

Publication number
ATE176331T1
ATE176331T1 AT91915684T AT91915684T ATE176331T1 AT E176331 T1 ATE176331 T1 AT E176331T1 AT 91915684 T AT91915684 T AT 91915684T AT 91915684 T AT91915684 T AT 91915684T AT E176331 T1 ATE176331 T1 AT E176331T1
Authority
AT
Austria
Prior art keywords
reactor feed
conversion
iron
phase diagram
iron carbide
Prior art date
Application number
AT91915684T
Other languages
English (en)
Inventor
John P Hager
Frank A Stephens
Frank M Stephens Jr
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
Application granted granted Critical
Publication of ATE176331T1 publication Critical patent/ATE176331T1/de

Links

Classifications

    • 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
    • B01J8/1809Controlling processes
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0022General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0032General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00026Controlling or regulating the heat exchange system
    • B01J2208/00035Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044Temperature measurement
    • 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
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/12Condition responsive control

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
AT91915684T 1990-08-01 1991-07-23 Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid ATE176331T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56110090A 1990-08-01 1990-08-01

Publications (1)

Publication Number Publication Date
ATE176331T1 true ATE176331T1 (de) 1999-02-15

Family

ID=24240633

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91915684T ATE176331T1 (de) 1990-08-01 1991-07-23 Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid

Country Status (9)

Country Link
US (1) US5366897A (de)
EP (1) EP0541711B1 (de)
AT (1) ATE176331T1 (de)
AU (1) AU657697B2 (de)
BR (1) BR9106710A (de)
CA (1) CA2087602C (de)
DE (1) DE69130827D1 (de)
SG (1) SG46675A1 (de)
WO (1) WO1992002824A1 (de)

Families Citing this family (26)

* 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
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
DK0630975T3 (da) * 1993-06-19 1997-09-01 Metallgesellschaft Ag Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.
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
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
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
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
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
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
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
JP3157478B2 (ja) * 1997-02-28 2001-04-16 川崎重工業株式会社 アイアンカーバイド製造プロセスの運転管理方法
SE512875C2 (sv) * 1997-03-24 2000-05-29 Rolf Skoeld Metod jämte anordning för att karakterisera ett fluidums fysikaliska och/eller kemiska egenskaper
US7112449B1 (en) * 2000-04-05 2006-09-26 Nanogram Corporation Combinatorial chemical synthesis
US5984998A (en) * 1997-11-14 1999-11-16 American Iron And Steel Institute Method and apparatus for off-gas composition sensing
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
JP4606543B2 (ja) * 2000-04-13 2011-01-05 パナソニック株式会社 光学特性計測装置における被検溶液量確認方法および計測系制御方法
EP1160337A1 (de) * 2000-05-31 2001-12-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Verfahren zur Vorwärmung und Aufkohlung von direkt-reduziertem Eisen (DRI) vor dessen Beschickung in einen Elektroofen
US7183114B2 (en) * 2003-05-19 2007-02-27 Tronox Llc Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor
AT506896B1 (de) * 2008-06-06 2010-05-15 Siemens Vai Metals Tech Gmbh Verfahren zur steuerung eines transformationsverfahrens
CN110339849B (zh) * 2018-04-02 2020-10-13 国家能源投资集团有限责任公司 用于费托合成反应的纯相ε/ε’碳化铁催化剂及其制备方法和费托合成的方法
SE544421C2 (en) 2020-06-26 2022-05-17 Greeniron H2 Ab Method and device for producing direct reduced metal

Family Cites Families (25)

* 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
US2900246A (en) * 1953-01-14 1959-08-18 Hydrocarbon Research Inc Iron oxide reduction
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
DE2007593B2 (de) * 1970-02-19 1973-05-10 Opti-Holding Ag, Glarus (Schweiz) Vorrichtung zur thermofixierung von reissverschlussgliederreihen aus kunststoffmonofilament
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
JPS54152615A (en) * 1978-05-24 1979-12-01 Ishikawajima Harima Heavy Ind Co Ltd Suspended layer type direct reduction iron making process
SE419100B (sv) * 1979-03-01 1981-07-13 Lindstroem O Sett for reduktion av finfordelat jernoxidhaltigt material
US4398945A (en) * 1981-06-22 1983-08-16 Stephens Jr Frank M Process for producing a ferronickel alloy from nickel bearing laterites
US4851046A (en) * 1985-06-19 1989-07-25 University Of Florida Periodontal osseous defect repair
FI84841C (sv) * 1988-03-30 1992-01-27 Ahlstroem Oy Förfarande och anordning för reduktion av metalloxidhaltigt material
US4841884A (en) * 1988-05-26 1989-06-27 A. Ahlstrom Corporation Distributor plate for fluidized bed reactor
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
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor

Also Published As

Publication number Publication date
DE69130827D1 (de) 1999-03-11
EP0541711A4 (en) 1993-09-01
AU8402991A (en) 1992-03-02
AU657697B2 (en) 1995-03-23
CA2087602C (en) 2002-01-01
SG46675A1 (en) 1998-02-20
EP0541711B1 (de) 1999-01-27
WO1992002824A1 (en) 1992-02-20
BR9106710A (pt) 1993-08-03
CA2087602A1 (en) 1992-02-02
US5366897A (en) 1994-11-22
EP0541711A1 (de) 1993-05-19

Similar Documents

Publication Publication Date Title
ATE176331T1 (de) Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
RU93004932A (ru) Способ переработки реакторного сырья в карбид железа
ATE174069T1 (de) Verfahren zum vorheizen einer eisen enthaltenden reaktor einspeise vor der behandlung in einem wirbelbettreaktor
ATE175727T1 (de) Verfahren zur kontrolle der produktqualität bei der umsetzung des reaktoreinsatzes in eisenkarbid
DE69713034T2 (de) Verfahren zur Herstellung von Wolframcarbid-Teilchen
DE68904482D1 (de) Verfahren zur hydrofluorierung in der gasphase.
FI925940A0 (fi) Menetelmä syklosporiinien tuottamiseksi ja menetelmässä käytettävä uusi Tolypocladium-kanta
DE69130959D1 (de) Kontinuierliche Herstellung von Eisen-Kohlenstoff-Legierung aus Eisenkarbid
ES8500237A1 (es) "procedimiento para la obtencion de 3-cianopiridina."
ATE71939T1 (de) Verfahren zur herstellung von 2,3,6trichlorpyridin und 2,3,5,6-tetrachlorpyridin in der gasphase.
DE50207645D1 (de) Verfahren zur durchführung von radikalischen gasphasenreaktionen
PL231848A1 (de)
DE68926297D1 (de) Verfahren zur selektiven produktion von 3-methylpyridin
GB1039888A (en) A method for producing gaseous and calcined products by the thermal decomposition of particulate raw materials
ATE355898T1 (de) Kontinuerliches katalytisches feststoff/gas- reaktionsverfahren in nicht-konventionnellem milieu, ihrem reaktor sowie verwendung dessem
JPS5538931A (en) Production of raw material powder for powder metallurgy
EP0302439A3 (de) Verfahren zur Herstellung von Acrylnitril
ES443669A1 (es) Un procedimiento para la preparacion de fertilizantes y mo- dificadores del terreno.
RU1349318C (ru) Способ азотировани стальных изделий
ATE25662T1 (de) Verfahren zur reinigung von benzoesaeure.
ATE11999T1 (de) Verfahren zur herstellung von weitgehend von stickstoffhaltigen verbindungen befreiten folgeprodukten aus durch hydrocarboxilierung erhaltenen carbonsaeurealkylestern.
ATE257865T1 (de) Verfahren für die nitrocarburierung metallischer werkstücke
Mantel et al. Method of Gas Carburizing
DE3371649D1 (en) Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
JPS5511161A (en) Quality control method of reduced iron in floating type reducing process

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties