KR950701726A - 직류 아크로(DC arc furnace) - Google Patents

직류 아크로(DC arc furnace)

Info

Publication number
KR950701726A
KR950701726A KR1019940704242A KR19940704242A KR950701726A KR 950701726 A KR950701726 A KR 950701726A KR 1019940704242 A KR1019940704242 A KR 1019940704242A KR 19940704242 A KR19940704242 A KR 19940704242A KR 950701726 A KR950701726 A KR 950701726A
Authority
KR
South Korea
Prior art keywords
raw material
furnace
material inlet
furnace lid
arc furnace
Prior art date
Application number
KR1019940704242A
Other languages
English (en)
Other versions
KR0163971B1 (ko
Inventor
히로노부 요시다
신이찌 쯔끼자끼
Original Assignee
이나바 고오사꾸
이시가와지마하리마 쥬고교 가부시끼가이샤
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 이나바 고오사꾸, 이시가와지마하리마 쥬고교 가부시끼가이샤 filed Critical 이나바 고오사꾸
Publication of KR950701726A publication Critical patent/KR950701726A/ko
Application granted granted Critical
Publication of KR0163971B1 publication Critical patent/KR0163971B1/ko

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
    • C21C5/527—Charging of the electric 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
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; 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
    • C21C5/5229—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; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to 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; 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
    • 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)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (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)

Abstract

하부에 하부전극(1)을 구비한 로본체(2)와 그 로본체(2)의 상부를 폐색하게 설치한 로뚜껑(3)과 그 로뚜껑(3)의 거의 중심에 형성한 원료 투입구(25)와 그 원료 투입구(25)를 가로방향으로 끼는 위치에서 상기 로뚜껑 (3)을 상하 방향으로 관통 배치한 2개의 상부 전극(26,27)을 연속 장입하고 아크롤로 본체(2)의 중심의 스크랩 원료로 향하게 한다.

Description

직류 아크로(DC arc furnace)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명의 한 실시예를 도시한 절단 측면도,
제5도는 제4도의 화살표 V-V방향에서 본 도면.

Claims (2)

  1. 하부에 하부전극을 구비한 로본체와 그 로본체의 상부를 폐색하게 설치한 로뚜껑과 그 로뚜껑의 거의 중심에 형성한 원료투입구와 그 원료 투입구를 가로 방향으로 끼는 위치에서 상기로뚜껑을 상하 방향으로 관통배치한 2개의 상부 전극을 구비하는 것을 특징으로 하는 직류 아크로.
  2. 제1항에 있어서, 원료 투입구의 상부에 배기 장치에 접속된 원료 예열장입장치를 구비하는 것을 특징으로 하는 직류 아크로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940704242A 1993-04-15 1994-04-14 직류 아크로 KR0163971B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP93-88803 1993-04-15
JP8880393A JPH06300449A (ja) 1993-04-15 1993-04-15 直流アーク炉
PCT/JP1994/000617 WO1994024503A1 (en) 1993-04-15 1994-04-14 Dc arc furnace

Publications (2)

Publication Number Publication Date
KR950701726A true KR950701726A (ko) 1995-04-28
KR0163971B1 KR0163971B1 (ko) 1999-01-15

Family

ID=13953042

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940704242A KR0163971B1 (ko) 1993-04-15 1994-04-14 직류 아크로

Country Status (11)

Country Link
US (1) US5479435A (ko)
EP (1) EP0646757B1 (ko)
JP (1) JPH06300449A (ko)
KR (1) KR0163971B1 (ko)
CN (1) CN1089428C (ko)
AU (1) AU664805B2 (ko)
CA (1) CA2135495C (ko)
DE (1) DE69414965T2 (ko)
ES (1) ES2126105T3 (ko)
TW (1) TW278126B (ko)
WO (1) WO1994024503A1 (ko)

Families Citing this family (11)

* 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
EP0772015B1 (en) * 1995-03-31 2001-06-13 Nippon Steel Corporation Method and apparatus for preheating and melting scrap
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
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4817403B1 (ko) * 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
JPH0749002B2 (ja) * 1989-02-27 1995-05-31 ワイケイケイ株式会社 模様付務歯列のスライドフアスナーの製造方法および装置
JP2613805B2 (ja) * 1989-10-27 1997-05-28 トピー工業株式会社 直流アーク炉
FI85912C (sv) * 1990-04-11 1992-06-10 Partek Ab Förfarande och anordning för styrning av råmaterialtillförseln till en elektrisk smältugn
FR2663723B1 (fr) * 1990-06-20 1995-07-28 Air Liquide Procede et installation de fusion d'une charge en four.

Also Published As

Publication number Publication date
AU6512794A (en) 1994-11-08
CN1104836A (zh) 1995-07-05
KR0163971B1 (ko) 1999-01-15
ES2126105T3 (es) 1999-03-16
AU664805B2 (en) 1995-11-30
DE69414965T2 (de) 1999-04-22
US5479435A (en) 1995-12-26
TW278126B (ko) 1996-06-11
EP0646757A4 (en) 1995-07-26
EP0646757B1 (en) 1998-12-02
DE69414965D1 (de) 1999-01-14
CA2135495C (en) 1999-02-23
WO1994024503A1 (en) 1994-10-27
CA2135495A1 (en) 1994-10-27
JPH06300449A (ja) 1994-10-28
EP0646757A1 (en) 1995-04-05
CN1089428C (zh) 2002-08-21

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