SE448470B - Sett att reducera partikelformig jernmalm till jernsvamp - Google Patents

Sett att reducera partikelformig jernmalm till jernsvamp

Info

Publication number
SE448470B
SE448470B SE8006646A SE8006646A SE448470B SE 448470 B SE448470 B SE 448470B SE 8006646 A SE8006646 A SE 8006646A SE 8006646 A SE8006646 A SE 8006646A SE 448470 B SE448470 B SE 448470B
Authority
SE
Sweden
Prior art keywords
gas
cooling
zone
loop
iron
Prior art date
Application number
SE8006646A
Other languages
English (en)
Swedish (sv)
Other versions
SE8006646L (sv
Inventor
J F Price-Falcon
E R Martinez-Vera
Original Assignee
Hylsa Sa
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 Hylsa Sa filed Critical Hylsa Sa
Publication of SE8006646L publication Critical patent/SE8006646L/
Publication of SE448470B publication Critical patent/SE448470B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/02Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/02Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029Introducing coolant gas in the shaft furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/04Making spongy iron or liquid steel, by direct processes in retorts
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22Increasing the gas reduction potential of recycled exhaust gases by reforming
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
SE8006646A 1979-10-15 1980-09-23 Sett att reducera partikelformig jernmalm till jernsvamp SE448470B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/084,750 US4253867A (en) 1979-10-15 1979-10-15 Method of using a methane-containing gas for reducing iron ore

Publications (2)

Publication Number Publication Date
SE8006646L SE8006646L (sv) 1981-04-16
SE448470B true SE448470B (sv) 1987-02-23

Family

ID=22186985

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8006646A SE448470B (sv) 1979-10-15 1980-09-23 Sett att reducera partikelformig jernmalm till jernsvamp

Country Status (17)

Country Link
US (1) US4253867A (it)
JP (1) JPS5810965B2 (it)
AU (1) AU6165480A (it)
BE (1) BE885707A (it)
BR (1) BR8005797A (it)
CA (1) CA1153558A (it)
DD (1) DD154025A5 (it)
DE (1) DE3036920C2 (it)
ES (1) ES495933A0 (it)
FR (1) FR2467241A1 (it)
GB (1) GB2063303B (it)
IT (1) IT1150965B (it)
MX (1) MX155124A (it)
PL (1) PL124748B1 (it)
SE (1) SE448470B (it)
SU (1) SU1128842A3 (it)
YU (1) YU42678B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX156697A (es) * 1982-05-12 1988-09-27 Hylsa Sa Metodo mejorado para la reduccion directa de minerales de hierro
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
US4556417A (en) * 1983-05-17 1985-12-03 Hylsa, S.A. Process for the direct reduction of iron ores
US4897113A (en) * 1985-09-23 1990-01-30 Hylsa, S.A. Direct reduction process in reactor with hot discharge
DE3669534D1 (de) * 1986-05-07 1990-04-19 Voest Alpine Ind Anlagen Integriertes huettenwerk.
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
US5078788A (en) * 1989-12-22 1992-01-07 C.V.G. Siderurgica Del Orinoco, C.A. Method for the direct reduction of iron
JPH06100917A (ja) * 1991-10-09 1994-04-12 Cvg Siderurgica Del Orinoco Ca 鉄含有金属酸化物の直接還元法
IT1302813B1 (it) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp Dispositivo per la riduzione diretta di ossidi di ferroe relativo procedimento
CN1995402B (zh) * 2006-01-06 2011-11-16 伊尔技术有限公司 利用焦炉气等将氧化铁直接还原成金属铁的方法
AT505490B1 (de) * 2007-06-28 2009-12-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur erzeugung von eisenschwamm
CN100523228C (zh) * 2007-07-31 2009-08-05 张文慧 利用焦炉气制还原气生产海绵铁的方法及其设备
US8496730B2 (en) * 2010-05-14 2013-07-30 Midrex Technologies, Inc. System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
IT1402250B1 (it) * 2010-09-29 2013-08-28 Danieli Off Mecc Procedimento ed apparato per la produzione di ferro di riduzione diretta utilizzando una sorgente di gas riducente comprendente idrogeno e monossido di carbonio
US9725778B2 (en) 2011-12-21 2017-08-08 Hyl Technologies, S.A. De C.V. Method and apparatus for production of direct reduced iron (DRI) utilizing coke oven gas
CN112176144A (zh) * 2019-07-02 2021-01-05 上海梅山钢铁股份有限公司 一种氢气喷吹炼铁竖炉装置及实现氢气炼铁低能耗的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367262A (en) * 1941-04-09 1945-01-16 Minerals And Metals Corp Process for producing metals
US2547685A (en) * 1947-11-25 1951-04-03 Brassert & Co Reduction of metallic oxides
DE1201377B (de) * 1961-11-23 1965-09-23 Huettenwerk Oberhausen Ag Verfahren und Anlage zur Herstellung von Eisen-schwamm aus Eisenerz in einem Reduktions-schacht mittels Reduktionsgas
BE791660A (fr) * 1971-11-22 1973-05-21 Fierro Esponja Procede et appareil de reduction de minerai divise
US3909446A (en) * 1972-03-31 1975-09-30 Nippon Kokan Kk Method of manufacturing high quality reducing gas by two stage reforming processes
US3799521A (en) * 1973-02-01 1974-03-26 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3844766A (en) * 1973-12-26 1974-10-29 Midland Ross Corp Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
GB1566698A (en) * 1975-09-05 1980-05-08 Foster Wheeler Ltd Treatment of gases containing hydrogen and carbon monoxide
US4054444A (en) * 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron
JPS52155116A (en) * 1976-06-18 1977-12-23 Kobe Steel Ltd Reduced iron preparation using hydrocarbon gas as reducing agent
US4150972A (en) * 1977-11-17 1979-04-24 Fierro Esponja, S.A. Controlling carburization in the reduction of iron ore to sponge iron
US4160663A (en) * 1978-02-21 1979-07-10 Jack Hsieh Method for the direct reduction of iron ore

Also Published As

Publication number Publication date
JPS5810965B2 (ja) 1983-02-28
PL227208A1 (it) 1981-06-19
YU217980A (en) 1983-02-28
JPS5662912A (en) 1981-05-29
DE3036920A1 (de) 1981-04-23
IT1150965B (it) 1986-12-17
ES8106939A1 (es) 1981-09-16
YU42678B (en) 1988-10-31
GB2063303A (en) 1981-06-03
IT8024244A0 (it) 1980-08-21
DD154025A5 (de) 1982-02-17
BR8005797A (pt) 1981-05-19
AU6165480A (en) 1981-04-30
FR2467241A1 (fr) 1981-04-17
US4253867A (en) 1981-03-03
PL124748B1 (en) 1983-02-28
DE3036920C2 (de) 1985-08-29
CA1153558A (en) 1983-09-13
GB2063303B (en) 1983-08-10
BE885707A (fr) 1981-02-02
SE8006646L (sv) 1981-04-16
MX155124A (es) 1988-01-29
ES495933A0 (es) 1981-09-16
SU1128842A3 (ru) 1984-12-07

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