FI79560B - Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den. - Google Patents
Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den. Download PDFInfo
- Publication number
- FI79560B FI79560B FI880819A FI880819A FI79560B FI 79560 B FI79560 B FI 79560B FI 880819 A FI880819 A FI 880819A FI 880819 A FI880819 A FI 880819A FI 79560 B FI79560 B FI 79560B
- Authority
- FI
- Finland
- Prior art keywords
- melting furnace
- furnace
- suspension
- fed
- treated
- Prior art date
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)
Priority Applications (8)
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. |
SE8900415A SE470387B (sv) | 1988-02-22 | 1989-02-07 | Smältugn i synnerhet en likströmsljusbågsugn för behandling av finfördelat material samt förfarande för tillförsel av finfördelat material i nämnda smältugn |
ZA891206A ZA891206B (en) | 1988-02-22 | 1989-02-16 | Smelting furnace and method for feeding material to be processed therein |
FR8902163A FR2627578A1 (fr) | 1988-02-22 | 1989-02-20 | Four a fusion et procede pour introduire dans celui-ci le materiau a traiter |
NO890729A NO173957C (no) | 1988-02-22 | 1989-02-21 | Smeltwovn og fremgangsmaate for unnmating av materiale som skal behandles deri |
US07/313,960 US4995051A (en) | 1988-02-22 | 1989-02-21 | Smelting furnace and method for feeding material to be processed therein |
AT0039289A AT395478B (de) | 1988-02-22 | 1989-02-21 | Schmelzofen und verfahren zum zufuehren von darin zu verarbeitendem material |
DE3905486A DE3905486B4 (de) | 1988-02-22 | 1989-02-22 | Schmelzofen und Beschickungsverfahren für denselben |
Applications Claiming Priority (2)
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. |
FI880819 | 1988-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI880819A0 FI880819A0 (fi) | 1988-02-22 |
FI79560B true FI79560B (fi) | 1989-09-29 |
Family
ID=8525965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI880819A FI79560B (fi) | 1988-02-22 | 1988-02-22 | Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den. |
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)
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)
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 |
-
1988
- 1988-02-22 FI FI880819A patent/FI79560B/fi not_active Application Discontinuation
-
1989
- 1989-02-07 SE SE8900415A patent/SE470387B/sv not_active IP Right Cessation
- 1989-02-16 ZA ZA891206A patent/ZA891206B/xx unknown
- 1989-02-20 FR FR8902163A patent/FR2627578A1/fr active Granted
- 1989-02-21 AT AT0039289A patent/AT395478B/de not_active IP Right Cessation
- 1989-02-21 US US07/313,960 patent/US4995051A/en not_active Expired - Lifetime
- 1989-02-21 NO NO890729A patent/NO173957C/no not_active IP Right Cessation
- 1989-02-22 DE DE3905486A patent/DE3905486B4/de not_active Expired - Lifetime
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 |
ZA891206B (en) | 1989-11-29 |
SE8900415D0 (sv) | 1989-02-07 |
NO890729D0 (no) | 1989-02-21 |
SE8900415L (sv) | 1989-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Patent refused following opposition | ||
FC | Application refused |
Owner name: OUTOKUMPU OY |