AU664805B2 - DC arc furnace - Google Patents

DC arc furnace Download PDF

Info

Publication number
AU664805B2
AU664805B2 AU65127/94A AU6512794A AU664805B2 AU 664805 B2 AU664805 B2 AU 664805B2 AU 65127/94 A AU65127/94 A AU 65127/94A AU 6512794 A AU6512794 A AU 6512794A AU 664805 B2 AU664805 B2 AU 664805B2
Authority
AU
Australia
Prior art keywords
furnace
furnace shell
scrap material
roof
shell
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.)
Ceased
Application number
AU65127/94A
Other languages
English (en)
Other versions
AU6512794A (en
Inventor
Shinichi Tsukizaki
Hironobu Yoshida
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co Ltd
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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Publication of AU6512794A publication Critical patent/AU6512794A/en
Application granted granted Critical
Publication of AU664805B2 publication Critical patent/AU664805B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • 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
    • C21C5/527—Charging of the electric furnace
    • 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
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • C21C5/565—Preheating of scrap
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for 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
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • F27D11/10—Disposition of electrodes
    • 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
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/11—Arrangements for conducting current to the electrode terminals
    • 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
    • C21C2005/5235—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace with bottom electrodes
    • 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
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • F27D13/002—Preheating scrap
    • 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
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0032—Charging or loading melting furnaces with material in the solid state using an air-lock
    • 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
    • F27D3/04—Ram or pusher apparatus
    • 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)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Gas Burners (AREA)
AU65127/94A 1993-04-15 1994-04-14 DC arc furnace Ceased AU664805B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8880393A JPH06300449A (ja) 1993-04-15 1993-04-15 直流アーク炉
JP5-88803 1993-04-15
PCT/JP1994/000617 WO1994024503A1 (en) 1993-04-15 1994-04-14 Dc arc furnace

Publications (2)

Publication Number Publication Date
AU6512794A AU6512794A (en) 1994-11-08
AU664805B2 true AU664805B2 (en) 1995-11-30

Family

ID=13953042

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65127/94A Ceased AU664805B2 (en) 1993-04-15 1994-04-14 DC arc furnace

Country Status (11)

Country Link
US (1) US5479435A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0646757B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH06300449A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR0163971B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1089428C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU664805B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2135495C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69414965T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2126105T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW278126B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1994024503A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6466605B1 (en) * 2000-06-20 2002-10-15 Electro-Pyrolysis, Inc. Concentric electrode DC arc system and their use in processing waste materials
US5889810A (en) * 1995-03-31 1999-03-30 Nippon Steel Corporation Apparatus for preheating and melting of scrap and process for the same
DE19846100C2 (de) * 1998-10-07 2000-08-03 Sms Demag Ag Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu
US6155333A (en) * 1999-02-23 2000-12-05 Techint Compagnia Tecnica Internazionale Continuous electric steelmaking with charge preheating, melting, refining and casting
RU2377325C2 (ru) * 2007-10-31 2009-12-27 Александр Афанасьевич Звездин Ванна-кристаллизатор установки для получения ферротитана путем электродугового плавления рутила под слоем защитного флюса
US7704443B2 (en) * 2007-12-04 2010-04-27 Alcoa, Inc. Carbothermic aluminum production apparatus, systems and methods
US8251746B2 (en) * 2010-08-23 2012-08-28 Hon Hai Precision Ind. Co., Ltd. Shielded electrical connector
KR101755948B1 (ko) * 2015-12-21 2017-07-10 주식회사 포스코 Dc전기로
CN107642997A (zh) * 2017-09-30 2018-01-30 徐州中新机械科技有限公司 一种用于钢材冶炼的设备
CN111484045B (zh) * 2020-04-23 2022-09-13 海城三岩矿业有限公司 一种电熔镁砂的多级重熔提纯方法
CN113390265A (zh) * 2021-06-29 2021-09-14 上海电气上重铸锻有限公司 超高功率电弧炉水冷炉盖中心预制件及其材料

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385343A1 (en) * 1989-02-27 1990-09-05 Ykk Corporation Apparatus for manufacturing slide fastener stringers
WO1991015727A1 (en) * 1990-04-11 1991-10-17 Paroc Oy Ab Method and apparatus for controlling the raw material supply to an electrical melting furnace
EP0462898A1 (fr) * 1990-06-20 1991-12-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude ProcédÀ© et installation de fusion d'une charge en four

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4817403B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-10-03 1973-05-29
NO138462C (no) * 1974-12-19 1980-04-23 Elkem Spigerverket As Anordning ved beskikning av elektriske smelteovner
JPS51126305A (en) * 1975-04-28 1976-11-04 Kawasaki Heavy Ind Ltd Preheating arrangement for charge materials to be charged into smeltin g and refining furnaces
JPS5647505A (en) * 1979-09-22 1981-04-30 Nippon Tungsten Co Ltd Mechanical sieal ring and preparation thereof
SE452990B (sv) * 1985-06-28 1988-01-04 Asea Ab Sett for framstellning av stal i en ljusbagsugn forsedd med elektrod med genomgaende kanal
FR2611876B1 (fr) * 1987-03-04 1989-08-04 Clecim Sa Four electrique a courant continu
FI79560B (fi) * 1988-02-22 1989-09-29 Outokumpu Oy Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den.
JPH0224290A (ja) * 1988-07-13 1990-01-26 Nkk Corp 低抵杭水中翼
JP2613805B2 (ja) * 1989-10-27 1997-05-28 トピー工業株式会社 直流アーク炉

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385343A1 (en) * 1989-02-27 1990-09-05 Ykk Corporation Apparatus for manufacturing slide fastener stringers
WO1991015727A1 (en) * 1990-04-11 1991-10-17 Paroc Oy Ab Method and apparatus for controlling the raw material supply to an electrical melting furnace
EP0462898A1 (fr) * 1990-06-20 1991-12-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude ProcédÀ© et installation de fusion d'une charge en four

Also Published As

Publication number Publication date
CN1089428C (zh) 2002-08-21
TW278126B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-06-11
WO1994024503A1 (en) 1994-10-27
US5479435A (en) 1995-12-26
KR0163971B1 (ko) 1999-01-15
DE69414965T2 (de) 1999-04-22
CA2135495C (en) 1999-02-23
CN1104836A (zh) 1995-07-05
EP0646757A4 (en) 1995-07-26
CA2135495A1 (en) 1994-10-27
ES2126105T3 (es) 1999-03-16
DE69414965D1 (de) 1999-01-14
JPH06300449A (ja) 1994-10-28
EP0646757B1 (en) 1998-12-02
EP0646757A1 (en) 1995-04-05
KR950701726A (ko) 1995-04-28
AU6512794A (en) 1994-11-08

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