ZA891206B - Smelting furnace and method for feeding material to be processed therein - Google Patents

Smelting furnace and method for feeding material to be processed therein

Info

Publication number
ZA891206B
ZA891206B ZA891206A ZA891206A ZA891206B ZA 891206 B ZA891206 B ZA 891206B ZA 891206 A ZA891206 A ZA 891206A ZA 891206 A ZA891206 A ZA 891206A ZA 891206 B ZA891206 B ZA 891206B
Authority
ZA
South Africa
Prior art keywords
processed
smelting furnace
feeding material
feeding
smelting
Prior art date
Application number
ZA891206A
Other languages
English (en)
Inventor
Nils Hakan Hakulin
Hakan Hakulin Nils
Risto Markus Heikkila
Markus Heikkila Risto
Matti Elias Honkaniemi
Elias Honkaniemi Matti
Helge Johannes Krogerus
Johannes Krogerus Helge
Launo Leo Lilja
Leo Lilja Launo
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of ZA891206B publication Critical patent/ZA891206B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
    • F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D2017/009—Cyclone for separating fines from gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0021—Arc heating
    • F27D2099/0023—DC arc heating
    • 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)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Processing Of Solid Wastes (AREA)
ZA891206A 1988-02-22 1989-02-16 Smelting furnace and method for feeding material to be processed therein ZA891206B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI880819A FI79560B (fi) 1988-02-22 1988-02-22 Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den.

Publications (1)

Publication Number Publication Date
ZA891206B true ZA891206B (en) 1989-11-29

Family

ID=8525965

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA891206A ZA891206B (en) 1988-02-22 1989-02-16 Smelting furnace and method for feeding material to be processed therein

Country Status (8)

Country Link
US (1) US4995051A (es)
AT (1) AT395478B (es)
DE (1) DE3905486B4 (es)
FI (1) FI79560B (es)
FR (1) FR2627578A1 (es)
NO (1) NO173957C (es)
SE (1) SE470387B (es)
ZA (1) ZA891206B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209765C2 (de) * 1992-03-23 1994-11-03 Mannesmann Ag Verfahren und Vorrichtung zur Behandlung der Abgase eines Lichtbogenofens
JPH06300449A (ja) * 1993-04-15 1994-10-28 Ishikawajima Harima Heavy Ind Co Ltd 直流アーク炉
JP3424259B2 (ja) * 1993-04-15 2003-07-07 石川島播磨重工業株式会社 直流アーク炉
AT403846B (de) * 1994-06-28 1998-05-25 Voest Alpine Ind Anlagen Schrotteinschmelz-elektro-lichtbogenofen
US5912916A (en) * 1995-05-01 1999-06-15 Alabama Power Company Electric furnace with insulated electrodes and process for producing molten metals
US5588982A (en) * 1995-05-01 1996-12-31 Alabama Power Company Process for producing foudry iron
DE19846100C2 (de) * 1998-10-07 2000-08-03 Sms Demag Ag Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu
GB9922542D0 (en) 1999-09-24 1999-11-24 Rhs Paneltech Ltd Metallurgical ladle/furnace roof
DE10312841B3 (de) * 2003-03-21 2004-07-01 Corus Aluminium Voerde Gmbh Verwendung von kohlenstoffhaltigem Abfallmaterial sowie dafür vorgesehener Anodenbrennofen
US7704443B2 (en) * 2007-12-04 2010-04-27 Alcoa, Inc. Carbothermic aluminum production apparatus, systems and methods
DE102010008839B4 (de) * 2010-02-22 2016-04-21 Spectro Analytical Instruments Gmbh Verfahren zur Bestimmung von Kohlenstoff in Gusseisen
RU2476599C2 (ru) * 2011-03-16 2013-02-27 Учреждение Российской академии наук Институт металлургии и материаловедения им. А.А. Байкова РАН Способ электродугового жидкофазного углетермического восстановления железа из оксидного сырья и устройство для его осуществления
RU2486259C1 (ru) * 2011-12-21 2013-06-27 Учреждение Российской академии наук Институт металлургии и материаловедения им. А.А. Байкова РАН Способ бестигельного электродугового жидкофазного восстановления железа из оксидного сырья и устройство для его осуществления

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1427436A (en) * 1918-07-17 1922-08-29 Walter E F Bradley Electric-furnace construction
US2159286A (en) * 1935-09-25 1939-05-23 Pittsburgh Res Corp Reduction furnace
DE1099744B (de) * 1959-05-23 1961-02-16 Demag Elektrometallurgie Gmbh Elektrischer Reduktionsofen mit zentral angeordneter Beschickungseinrichtung
US3462538A (en) * 1967-05-19 1969-08-19 Tubos De Acero De Mexico Sa Method and apparatus for the continuous charging of sponge iron granules into an electric furnace
JPS4817403B1 (es) * 1968-10-03 1973-05-29
US4082914A (en) * 1973-05-14 1978-04-04 Nikolai Iosifovich Bortnichuk Method of stabilizing arc voltage in plasma arc furnace and apparatus for effecting same
US4076954A (en) * 1973-05-17 1978-02-28 Rolf Linder Method and an electrically heated device for producing molten metal from powders or lumps of metal oxides
SE7503782L (sv) * 1975-04-02 1976-10-03 Asea Ab Sett och anordning for smeltreduktion av finkornigt jernoxidhaltigt material
FI66434C (fi) * 1975-07-04 1984-10-10 Boliden Ab Foerfarande foer framstaellning av smaelt metall ur finfoerdelade material
US4087274A (en) * 1975-07-04 1978-05-02 Boliden Aktiebolag Method of producing a partially reduced product from finely-divided metal sulphides
DE3017939C2 (de) * 1980-05-10 1983-01-27 Mannesmann AG, 4000 Düsseldorf Teilgeschlossener Elektro-Reduktionsofen
US4385918A (en) * 1982-01-26 1983-05-31 Owens-Corning Fiberglas Corporation Method and apparatus for feeding raw material to an arc furnace
DE3603948A1 (de) * 1986-02-06 1987-08-13 Mannesmann Ag Lichtbogenreduktions- oder lichtbogen-restreduktionsofen, insbesondere fuer das inred-verfahren

Also Published As

Publication number Publication date
NO890729L (no) 1989-08-23
FR2627578B1 (es) 1994-12-16
SE470387B (sv) 1994-02-07
ATA39289A (de) 1992-05-15
NO173957B (no) 1993-11-15
AT395478B (de) 1993-01-25
FR2627578A1 (fr) 1989-08-25
DE3905486A1 (de) 1989-08-31
NO173957C (no) 1994-02-23
FI880819A0 (fi) 1988-02-22
DE3905486B4 (de) 2005-07-07
US4995051A (en) 1991-02-19
FI79560B (fi) 1989-09-29
SE8900415D0 (sv) 1989-02-07
NO890729D0 (no) 1989-02-21
SE8900415L (sv) 1989-08-23

Similar Documents

Publication Publication Date Title
DE3662491D1 (en) Method and device for the controlled feeding of colour concentrates to machines using helices
EP0295438A3 (en) Improved superabsorbent composition and process
ZA909055B (en) Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
EP0271828A3 (en) Roller mill and method for feeding granular material
GB2161835B (en) Method and apparatus for processing sulphide concentrates and sulphide ores into raw material
ZA891206B (en) Smelting furnace and method for feeding material to be processed therein
EP0184405A3 (en) Processes and apparatus for the smelting reduction of ores
EP0285921A3 (en) Method and arrangement for breaking up brittle material
IL85407A (en) Method and compositions for feeding shrimp
EP0292739A3 (en) Method and arrangement for breaking up grindable material
GB2190924B (en) Process for melting down and degassing lumpy material
EP0196466A3 (en) Method of and apparatus for feeding material to hot forging machine
PL275554A1 (en) Method of processing wastes into pelletized material
ZA888700B (en) Method and apparatus for beneficiating ores
PH23437A (en) Method and apparatus for batch preparation and feeding into the smelting process
GB2140141B (en) Process and vacuum sublimation furnace for treatment of ores
GB2166665B (en) Refractory laminate composition and process
EP0292724A3 (en) Method and arrangement for breaking up brittle material
EP0554001A3 (en) System and method for feeding paste material or slurry into a furnace
BG44019A1 (en) Device for fastening and electric feeding of electrode in electroslag furnaces
GB2224339B (en) Furnace for preparing and delivering alloys
ZA89750B (en) Process for refining si-metal and si-iron alloys
JPS57192784A (en) Incinerator for material to be treated in tunnel furnace
JPS5760037A (en) Method and apparatus for refining ore material in arc furnace
DE3563741D1 (en) Beta-aminothiol ester and process for preparing thereof