DE2403780C3 - Verfahren zum Verhütten von Metalloxyd - Google Patents

Verfahren zum Verhütten von Metalloxyd

Info

Publication number
DE2403780C3
DE2403780C3 DE2403780A DE2403780A DE2403780C3 DE 2403780 C3 DE2403780 C3 DE 2403780C3 DE 2403780 A DE2403780 A DE 2403780A DE 2403780 A DE2403780 A DE 2403780A DE 2403780 C3 DE2403780 C3 DE 2403780C3
Authority
DE
Germany
Prior art keywords
shaft furnace
reduction
exhaust gas
gas
reduced
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2403780A
Other languages
German (de)
English (en)
Other versions
DE2403780B2 (de
DE2403780A1 (de
Inventor
Oern Gunnar Luleaa Perdahl
Sven Oscar Hofors Santen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF AB
Original Assignee
Svenska Kullagerfabriken AB
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 Svenska Kullagerfabriken AB filed Critical Svenska Kullagerfabriken AB
Publication of DE2403780A1 publication Critical patent/DE2403780A1/de
Publication of DE2403780B2 publication Critical patent/DE2403780B2/de
Application granted granted Critical
Publication of DE2403780C3 publication Critical patent/DE2403780C3/de
Expired legal-status Critical Current

Links

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • C21B5/023—Injection of the additives into the melting part
    • C21B5/026—Injection of the additives into the melting part of plastic material
    • 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
    • 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
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
DE2403780A 1973-01-26 1974-01-26 Verfahren zum Verhütten von Metalloxyd Expired DE2403780C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7301099A SE388210B (sv) 1973-01-26 1973-01-26 Sett vid reduktion av metall ur metalloxider

Publications (3)

Publication Number Publication Date
DE2403780A1 DE2403780A1 (de) 1974-08-01
DE2403780B2 DE2403780B2 (de) 1977-05-26
DE2403780C3 true DE2403780C3 (de) 1980-08-14

Family

ID=20316438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2403780A Expired DE2403780C3 (de) 1973-01-26 1974-01-26 Verfahren zum Verhütten von Metalloxyd

Country Status (8)

Country Link
JP (1) JPS5720366B2 (enExample)
BE (1) BE885198Q (enExample)
CA (1) CA1013150A (enExample)
DE (1) DE2403780C3 (enExample)
FR (1) FR2215478B1 (enExample)
GB (1) GB1460852A (enExample)
SE (1) SE388210B (enExample)
SU (1) SU869562A3 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX153453A (es) * 1979-07-16 1986-10-16 Mindres Int Bv Mejoras en metodo y aparato para la produccion de arrabio fundido
SE429561B (sv) * 1980-06-10 1983-09-12 Skf Steel Eng Ab Sett for kontinuerlig framstellning av lagkolhaltiga kromstal av kromoxidhaltiga utgangsmaterial med hjelp av en plasmagenerator
SE444956B (sv) * 1980-06-10 1986-05-20 Skf Steel Eng Ab Sett att ur metalloxidhaltiga material utvinna ingaende lettflyktiga metaller eller koncentrat av dessa
FR2500478B2 (fr) * 1980-07-15 1986-11-14 Siderurgie Fse Inst Rech Procede pour reduire la consommation d'agents reducteurs dans un appareil de reduction-fusion des minerais metalliques, notamment dans un haut fourneau siderurgique
SE439932B (sv) * 1980-11-10 1985-07-08 Skf Steel Eng Ab Forfarande for framstellning av metall ur finkorniga metalloxidmaterial
ZA811540B (en) * 1981-03-09 1981-11-25 Skf Steel Eng Ab Method of producing molten metal consisting mainly of manganese and iron
DE3273996D1 (en) * 1981-04-28 1986-12-04 Kawasaki Steel Co Methods for melting and refining a powdery ore containing metal oxides and apparatuses for melt-refining said ore
AU552070B2 (en) * 1981-10-19 1986-05-22 Council For Mineral Technology Producing and treating ferro chrome by arc thermal plasma
SE500352C2 (sv) * 1982-04-07 1994-06-06 Nordic Distributor Supply Ab Sätt att utvinna metaller ur flytande slagg
SE436124B (sv) * 1982-09-08 1984-11-12 Skf Steel Eng Ab Sett att framstella ferrokisel
AT382165B (de) * 1983-08-18 1987-01-26 Voest Alpine Ag Verfahren zur herstellung von fluessigem roheisen oder stahlvorprodukten sowie vorrichtung zur durchfuehrung des verfahrens
DE3438487A1 (de) * 1984-10-17 1986-04-24 Korf Engineering GmbH, 4000 Düsseldorf Verfahren zur herstellung von roheisen
SE453304B (sv) * 1984-10-19 1988-01-25 Skf Steel Eng Ab Sett for framstellning av metaller och/eller generering av slagg fran oxidmalmer
DE4108283A1 (de) * 1991-03-14 1992-09-17 Kortec Ag Verfahren zum herstellen von fluessigem metall aus feinkoernigen metalloxidpartikeln und reduktions- und schmelzofen zur durchfuehrung des verfahrens
GB9108778D0 (en) * 1991-04-24 1991-06-12 British Steel Plc Production of ferromanganese
DE19634348A1 (de) 1996-08-23 1998-02-26 Arcmet Tech Gmbh Einschmelzaggregat mit einem Lichtbogenofen
UA75925C2 (en) * 2003-12-22 2006-06-15 Anatolii Tymofiiovych Neklesa An assembly for producing metal from the iron-containing raw stock
RU2393254C1 (ru) * 2009-05-12 2010-06-27 Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН (ИНХ СО РАН) Способ получения марганца (варианты)
EP3670676A1 (de) 2018-12-17 2020-06-24 Primetals Technologies Austria GmbH Verfahren und vorrichtung zur direktreduktion mit elektrisch aufgeheiztem reduktionsgas

Also Published As

Publication number Publication date
FR2215478B1 (enExample) 1976-11-26
DE2403780B2 (de) 1977-05-26
BE885198Q (fr) 1980-12-31
CA1013150A (en) 1977-07-05
JPS49110519A (enExample) 1974-10-21
JPS5720366B2 (enExample) 1982-04-28
GB1460852A (en) 1977-01-06
FR2215478A1 (enExample) 1974-08-23
SU869562A3 (ru) 1981-09-30
DE2403780A1 (de) 1974-08-01
SE388210B (sv) 1976-09-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

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