ES449348A1 - Perfeccionamientos introducidos en un metodo para obtener unproducto parcialmente reducido a partir de material que con-tiene oxido de metal finamente dividido. - Google Patents

Perfeccionamientos introducidos en un metodo para obtener unproducto parcialmente reducido a partir de material que con-tiene oxido de metal finamente dividido.

Info

Publication number
ES449348A1
ES449348A1 ES449348A ES449348A ES449348A1 ES 449348 A1 ES449348 A1 ES 449348A1 ES 449348 A ES449348 A ES 449348A ES 449348 A ES449348 A ES 449348A ES 449348 A1 ES449348 A1 ES 449348A1
Authority
ES
Spain
Prior art keywords
partially reduced
producing
reduced product
finely
divided metal
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
ES449348A
Other languages
English (en)
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.)
Boliden AB
Original Assignee
Boliden 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
Priority claimed from SE7507696A external-priority patent/SE395017B/xx
Priority claimed from SE7604046A external-priority patent/SE400312B/xx
Application filed by Boliden AB filed Critical Boliden AB
Publication of ES449348A1 publication Critical patent/ES449348A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013Making 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
    • C21B13/002Reduction of iron ores by passing through a heated column of carbon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0026Making 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/14Multi-stage processes processes carried out in different vessels or furnaces
    • 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
    • C22B5/10Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44Removing particles, e.g. by scrubbing, dedusting
    • 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
    • C21B2100/62Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
    • 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

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)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Adornments (AREA)
  • Press Drives And Press Lines (AREA)
  • Forging (AREA)
ES449348A 1975-07-04 1976-06-30 Perfeccionamientos introducidos en un metodo para obtener unproducto parcialmente reducido a partir de material que con-tiene oxido de metal finamente dividido. Expired ES449348A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7507696A SE395017B (sv) 1975-07-04 1975-07-04 Forfarande for att ur finfordelade metalloxidhaltiga material framstella en forreducerad produkt, varvid materialet smeltes och reduceras under fall genom ett schakt
SE7604046A SE400312B (sv) 1976-04-06 1976-04-06 Sett att ur finfordelade metallsulfider framstella en forreducerad produkt

Publications (1)

Publication Number Publication Date
ES449348A1 true ES449348A1 (es) 1977-12-01

Family

ID=26656632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES449348A Expired ES449348A1 (es) 1975-07-04 1976-06-30 Perfeccionamientos introducidos en un metodo para obtener unproducto parcialmente reducido a partir de material que con-tiene oxido de metal finamente dividido.

Country Status (18)

Country Link
US (1) US4087274A (es)
JP (1) JPS528905A (es)
AT (1) AT369429B (es)
AU (1) AU498857B2 (es)
BR (1) BR7604353A (es)
CA (1) CA1077723A (es)
DD (1) DD126712A5 (es)
DE (2) DE2629743C2 (es)
DK (1) DK288176A (es)
ES (1) ES449348A1 (es)
FI (1) FI66433C (es)
FR (1) FR2326475A1 (es)
GB (1) GB1554263A (es)
IT (1) IT1065052B (es)
LU (1) LU75298A1 (es)
MY (1) MY8200270A (es)
NL (1) NL7607352A (es)
NO (2) NO143068C (es)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE439932B (sv) * 1980-11-10 1985-07-08 Skf Steel Eng Ab Forfarande for framstellning av metall ur finkorniga metalloxidmaterial
SE444184B (sv) * 1980-12-01 1986-03-24 Boliden Ab Forfarande for utvinning av bly ur sulfidiska material blyramaterial innehallande fororeningar av vismut, arsenik, antimon eller tenn
SE444578B (sv) * 1980-12-01 1986-04-21 Boliden Ab Forfarande for utvinning av metallinnehall ur komplexa sulfidiska metallravaror
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
SE8302764L (sv) * 1983-05-17 1984-11-18 Boliden Ab Forfarande for framstellning av rably ur sulfidiska blyravaror
US4519836A (en) * 1983-07-20 1985-05-28 Vsesojuzny Nauchno-Issledovatelsky Institut Tsvetnoi Metallurgii Method of processing lead sulphide or lead-zinc sulphide ores, or sulphide concentrates, or mixtures thereof
IN164687B (es) * 1984-08-16 1989-05-13 Voest Alpine Ag
ZA85287B (en) * 1985-01-21 1986-09-24 Korf Engineering Gmbh Process for the production of pig iron
DE3540541A1 (de) * 1985-11-15 1987-05-21 Metallgesellschaft Ag Verfahren zur reduktion von hoeheren metalloxiden zu niedrigen metalloxiden
US4664701A (en) * 1986-01-15 1987-05-12 Blaw Knox Corporation Method and plant for fully continuous production of steel strip from ore
DE3607776A1 (de) * 1986-03-08 1987-09-17 Kloeckner Cra Tech Verfahren zur herstellung von eisen
DE3607774A1 (de) * 1986-03-08 1987-09-17 Kloeckner Cra Tech Verfahren zur zweistufigen schmelzreduktion von eisenerz
DE3607775A1 (de) * 1986-03-08 1987-09-17 Kloeckner Cra Tech Verfahren zur schmelzreduktion von eisenerz
FI79560B (fi) * 1988-02-22 1989-09-29 Outokumpu Oy Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den.
US4857104A (en) * 1988-03-09 1989-08-15 Inco Limited Process for reduction smelting of materials containing base metals
FI84841C (sv) * 1988-03-30 1992-01-27 Ahlstroem Oy Förfarande och anordning för reduktion av metalloxidhaltigt material
FI83670C (sv) * 1988-03-30 1991-08-12 Ahlstroem Oy Förreduktion av metalloxidhaltigt material
FI86578C (fi) * 1990-07-04 1992-09-10 Ahlstroem Oy Foerfarande och anordning foer avkylning av heta gaser.
NL9401103A (nl) * 1994-07-01 1996-02-01 Hoogovens Groep Bv Werkwijze en inrichting voor het voorreduceren van ijzerverbindingen.
AT406480B8 (de) * 1995-07-19 2000-07-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder stahlvorprodukten und anlage zur durchführung des verfahrens
AT407052B (de) * 1998-08-13 2000-12-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen
US6528033B1 (en) * 2000-01-18 2003-03-04 Valence Technology, Inc. Method of making lithium-containing materials
AT409137B (de) * 2000-09-22 2002-05-27 Voest Alpine Ind Anlagen Verfahren und vorrichtung zur erzeugung eines festbettes
JP5166804B2 (ja) * 2007-09-19 2013-03-21 株式会社神戸製鋼所 溶鉄製造方法
JP5166805B2 (ja) * 2007-09-19 2013-03-21 株式会社神戸製鋼所 アーク加熱による溶鉄製造方法
RU2449031C2 (ru) * 2011-03-17 2012-04-27 Владимир Иванович Лунев Способ получения обесфосфоренного концентрата оолитовых железных руд
DE102011121507A1 (de) * 2011-12-16 2013-06-20 Ecoloop Gmbh Verfahren zur carbothermischen oder elektrothermischen Herstellung von Roheisen oder Basisprodukten
PL2794931T3 (pl) * 2011-12-19 2019-02-28 Tata Steel Nederland Technology B.V. Cyklon wytopowy i urządzenie wyposażone w taki cyklon wytopowy
RU2568802C2 (ru) * 2014-08-18 2015-11-20 Владимир Иванович Лунёв Способ переработки железной руды оолитового строения и устройство для его реализации
US20220411888A1 (en) * 2019-11-28 2022-12-29 Tata Steel Ijmuiden B.V. Apparatus for the production of molten iron

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503555A (en) * 1943-09-25 1950-04-11 Henry G Lykken Ore conditioning and reduction process
US2784077A (en) * 1955-04-21 1957-03-05 William E Greenawalt Processes of smelting finely divided metallic ore
US2876092A (en) * 1956-09-27 1959-03-03 William E Greenawalt Smelting finely divided iron ore
US2846302A (en) * 1957-02-11 1958-08-05 William E Greenawalt Smelting finely divided iron ore processes
FR1240639A (fr) * 1959-07-29 1960-09-09 Soc Metallurgique Imphy Procédé de réduction directe de minerai de fer
US3145094A (en) * 1959-09-12 1964-08-18 Nakajima Toitsu Process and apparatus for making steel from powdered iron ore
US3350195A (en) * 1965-08-20 1967-10-31 Phillips Petroleum Co Production of beneficiated iron ore-coked product
US3607217A (en) * 1968-12-11 1971-09-21 Exxon Research Engineering Co Agglomeration of particulate metals

Also Published As

Publication number Publication date
FI66433B (fi) 1984-06-29
IT1065052B (it) 1985-02-25
GB1554263A (en) 1979-10-17
DD126712A5 (es) 1977-08-10
CA1077723A (en) 1980-05-20
NL7607352A (nl) 1977-01-06
AU498857B2 (en) 1979-03-29
NO143165B (no) 1980-09-15
NO800737L (no) 1977-01-05
FR2326475A1 (fr) 1977-04-29
JPS528905A (en) 1977-01-24
NO143068B (no) 1980-09-01
DE2629743A1 (de) 1977-01-20
LU75298A1 (es) 1977-02-23
BR7604353A (pt) 1977-07-26
US4087274A (en) 1978-05-02
DK288176A (da) 1977-01-05
NO143068C (no) 1980-12-10
ATA486376A (de) 1982-05-15
FR2326475B1 (es) 1981-03-06
AU1551676A (en) 1978-01-05
FI761947A (es) 1977-01-05
DE2629743C2 (de) 1984-06-20
NO143165C (no) 1980-12-29
JPS5726335B2 (es) 1982-06-03
NO762314L (es) 1977-01-05
MY8200270A (en) 1982-12-31
FI66433C (fi) 1984-10-10
DE2660884C2 (de) 1985-04-11
AT369429B (de) 1982-12-27

Similar Documents

Publication Publication Date Title
ES449348A1 (es) Perfeccionamientos introducidos en un metodo para obtener unproducto parcialmente reducido a partir de material que con-tiene oxido de metal finamente dividido.
GB1055935A (en) Direct smelting of ores and concentrates
ES408739A1 (es) Un procedimiento para la produccion de una mezcla de gas reductor.
ES455324A1 (es) Un procedimiento para el tratamiento, sin sinterizacion pre-via, de residuos de plomo.
ES484596A1 (es) Procedimiento de tratamiento de humos siderurgicos e insta- lacion correspondiente
JPS57198205A (en) Production of molten metal from powder and granular ore
GB1500216A (en) Process for the recovery of non-ferrous metals
JPS55125211A (en) Processing method of steel-making dust containing zinc and blast furnace gas ash
JPS5372718A (en) Manufacture of ferrochromium
EP0319966A3 (en) Method of smelting reduction of ores containing metal oxides
JPS5776148A (en) Production of ferronickel
JPS5732339A (en) Operating method for copper smelting converter
ES261083A1 (es) Un procedimiento para la reducciën de ëxido de hierro
GB1510596A (en) Blast furnace process for iron production
SU579320A1 (ru) Способ получени чугуна в руднотермической печи
GB745001A (en) Improvements in iron recovery
GB1175985A (en) Direct Reduction of Iron Oxide to Non-Pyrophoric Iron Powder
SU362876A1 (ru) Способ переработки конвертерного ванадиевого
Deryabin Features of the Composition of Electric Furnace Pig Iron During Smelting of Metallized Kachkanar Pellets in an Ore Smelting Furnace
FR2100725A1 (en) Iron smelting - using low-grade ores and coal in low-cost appts
GB1234451A (es)
GB936589A (en) Improvements in and relating to the manufacture of ferro-manganese and ferro-silico-manganese
Shvedov Operation of a Blast Furnace on a Charge of Metallised Pellets with the Complete Removal of any Oxidized Iron Ore from the Charge
GB1193457A (en) Continuous Bath Smelting and Refining of Oxide Ores to Steel
GB1271688A (en) A method for reducing metal oxide and/or melting metal