ZA979152B - Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device. - Google Patents
Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device.Info
- Publication number
- ZA979152B ZA979152B ZA9709152A ZA979152A ZA979152B ZA 979152 B ZA979152 B ZA 979152B ZA 9709152 A ZA9709152 A ZA 9709152A ZA 979152 A ZA979152 A ZA 979152A ZA 979152 B ZA979152 B ZA 979152B
- Authority
- ZA
- South Africa
- Prior art keywords
- liquid metal
- current
- floor
- electric arc
- arc furnaces
- Prior art date
Links
Classifications
-
- 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
- F27D27/00—Stirring devices for molten material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/451—Magnetic mixers; Mixers with magnetically driven stirrers wherein the mixture is directly exposed to an electromagnetic field without use of a stirrer, e.g. for material comprising ferromagnetic particles or for molten metal
-
- 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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/34—Arrangements for circulation of melts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/45—Mixing in metallurgical processes of ferrous or non-ferrous materials
-
- 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
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0039—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising magnetic means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/02—Stirring of melted material in melting furnaces
-
- 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
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Metallurgy (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96UD000194A IT1289001B1 (it) | 1996-10-14 | 1996-10-14 | Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA979152B true ZA979152B (en) | 1998-05-11 |
Family
ID=11422207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9709152A ZA979152B (en) | 1996-10-14 | 1997-10-13 | Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device. |
Country Status (11)
Country | Link |
---|---|
US (1) | US6026113A (xx) |
EP (1) | EP0835942B1 (xx) |
KR (1) | KR19980032784A (xx) |
AT (1) | ATE205886T1 (xx) |
AU (1) | AU719313B2 (xx) |
BR (1) | BR9705272A (xx) |
CA (1) | CA2218016A1 (xx) |
DE (1) | DE69706794T2 (xx) |
ES (1) | ES2161405T3 (xx) |
IT (1) | IT1289001B1 (xx) |
ZA (1) | ZA979152B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6341642B1 (en) | 1997-07-01 | 2002-01-29 | Ipsco Enterprises Inc. | Controllable variable magnetic field apparatus for flow control of molten steel in a casting mold |
US7651656B2 (en) * | 2006-07-20 | 2010-01-26 | Kenzo Takahashi | Melting furnace with agitator and agitator for melting furnace |
JP5620030B2 (ja) | 2011-07-18 | 2014-11-05 | エー ビー ビー リサーチ リミテッド | 熔融プロセスを制御するための方法及び制御システム |
CN104114720B (zh) * | 2012-01-03 | 2016-01-20 | Abb研究有限公司 | 一种熔化钢铁的方法 |
EP2792755B1 (en) | 2013-04-16 | 2015-06-10 | ABB Technology Ltd | A method and a control system for controlling a melting and refining process |
EP2894426A1 (en) * | 2014-01-14 | 2015-07-15 | ABB Technology AG | Method for scheduling a production process |
US9925591B2 (en) * | 2014-08-21 | 2018-03-27 | Molyworks Materials Corp. | Mixing cold hearth metallurgical system and process for producing metals and metal alloys |
KR20190103415A (ko) | 2017-02-10 | 2019-09-04 | 에이비비 슈바이쯔 아게 | 금속 제조 프로세스를 위한 노 어셈블리 |
CN111841420A (zh) * | 2020-08-14 | 2020-10-30 | 中山凌智科技有限公司 | 非固化橡胶沥青防水涂料快速化料设备 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1562825A (en) * | 1924-11-11 | 1925-11-24 | Evreynoff Georg | Electric furnace |
US1683986A (en) * | 1925-08-01 | 1928-09-11 | Ajax Electrothermic Corp | Induction pressure or vacuum furnace |
US1943802A (en) * | 1930-03-18 | 1934-01-16 | Ajax Electrothermic Corp | Electric induction furnace |
US2322618A (en) * | 1942-03-25 | 1943-06-22 | Mare Baltzar E L De | Apparatus for converting high-phosphorus pig iron into high-grade low-phosphorus steel |
JPS495691B1 (xx) * | 1965-03-23 | 1974-02-08 | ||
US3683094A (en) * | 1971-02-18 | 1972-08-08 | Max P Schlienger | Arc positioning system for rotating electrode wheel arc furnace |
US4149024A (en) * | 1974-07-23 | 1979-04-10 | Asea Aktiebolag | Arc furnace for reducing metal oxides and method for operating such a furnace |
SE396531B (sv) * | 1975-11-06 | 1977-09-19 | Asea Ab | Anordning vid likstromsmatade ljusbagsugnar |
BG35678A1 (en) * | 1981-12-01 | 1984-06-15 | Savov | Method and device for treating and refining liquid alloys |
SE447846B (sv) * | 1982-09-09 | 1986-12-15 | Asea Ab | Skenkugn med likstromsvermning |
US4495625A (en) * | 1983-07-05 | 1985-01-22 | Westinghouse Electric Corp. | Magnetic field stabilized transferred arc furnace |
FR2602320B1 (fr) * | 1986-08-01 | 1989-12-29 | Clecim Sa | Procede de fusion de ferraille et four electrique pour la mise en oeuvre du procede |
SE461761B (sv) * | 1988-05-03 | 1990-03-19 | Fiz Tekh Inst Ioffe | Elektrisk ljusbaaganordning |
US5142650A (en) * | 1989-11-14 | 1992-08-25 | Asahi Glass Company Ltd. | Bottom electrode for a direct current arc furnace |
EP0474883B2 (en) * | 1990-03-19 | 2003-01-02 | Kawasaki Steel Corporation | Dc electric furnace for melting metal |
CH680086A5 (xx) * | 1990-05-09 | 1992-06-15 | Asea Brown Boveri | |
CH682281A5 (xx) * | 1991-06-20 | 1993-08-13 | Asea Brown Boveri | |
EP0581112B1 (en) * | 1992-07-31 | 1998-08-26 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Direct current melting furnace with control of deflection of the electric arc |
FR2708725B1 (fr) * | 1993-07-29 | 1995-11-10 | Imphy Sa | Procédé de fusion d'un matériau électroconducteur dans un four de fusion par induction en creuset froid et four de fusion pour la mise en Óoeuvre de ce procédé. |
-
1996
- 1996-10-14 IT IT96UD000194A patent/IT1289001B1/it active IP Right Grant
-
1997
- 1997-10-06 AT AT97117246T patent/ATE205886T1/de not_active IP Right Cessation
- 1997-10-06 EP EP97117246A patent/EP0835942B1/en not_active Expired - Lifetime
- 1997-10-06 ES ES97117246T patent/ES2161405T3/es not_active Expired - Lifetime
- 1997-10-06 DE DE69706794T patent/DE69706794T2/de not_active Expired - Fee Related
- 1997-10-10 AU AU40949/97A patent/AU719313B2/en not_active Ceased
- 1997-10-10 CA CA002218016A patent/CA2218016A1/en not_active Abandoned
- 1997-10-13 ZA ZA9709152A patent/ZA979152B/xx unknown
- 1997-10-14 US US08/949,763 patent/US6026113A/en not_active Expired - Fee Related
- 1997-10-14 BR BR9705272-8A patent/BR9705272A/pt not_active Application Discontinuation
- 1997-10-14 KR KR1019970052427A patent/KR19980032784A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0835942A1 (en) | 1998-04-15 |
MX9707919A (es) | 1998-08-30 |
US6026113A (en) | 2000-02-15 |
ES2161405T3 (es) | 2001-12-01 |
KR19980032784A (ko) | 1998-07-25 |
DE69706794T2 (de) | 2002-05-23 |
AU719313B2 (en) | 2000-05-04 |
BR9705272A (pt) | 1999-10-13 |
ITUD960194A0 (it) | 1996-10-14 |
AU4094997A (en) | 1998-04-23 |
EP0835942B1 (en) | 2001-09-19 |
CA2218016A1 (en) | 1998-04-14 |
ATE205886T1 (de) | 2001-10-15 |
DE69706794D1 (de) | 2001-10-25 |
ITUD960194A1 (it) | 1998-04-14 |
IT1289001B1 (it) | 1998-09-25 |
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