DE69805488D1 - Schmelzofen mit vermindertem druck - Google Patents

Schmelzofen mit vermindertem druck

Info

Publication number
DE69805488D1
DE69805488D1 DE69805488T DE69805488T DE69805488D1 DE 69805488 D1 DE69805488 D1 DE 69805488D1 DE 69805488 T DE69805488 T DE 69805488T DE 69805488 T DE69805488 T DE 69805488T DE 69805488 D1 DE69805488 D1 DE 69805488D1
Authority
DE
Germany
Prior art keywords
furnace
flange
refining
refining furnace
sealing
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.)
Expired - Fee Related
Application number
DE69805488T
Other languages
English (en)
Other versions
DE69805488T2 (de
Inventor
Kensuke-Nippon Steel Shimomura
Tadashi-Nippon Steel Cor Imoto
Mayumi-Nippon Steel Co Okimori
Gaku-Nippon Steel Corpor Ogawa
Tomoaki-Nippon Steel Co Tanaka
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE69805488D1 publication Critical patent/DE69805488D1/de
Application granted granted Critical
Publication of DE69805488T2 publication Critical patent/DE69805488T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/50—Tilting mechanisms for converters
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04—Refining by applying a vacuum
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S266/00—Metallurgical apparatus
    • Y10S266/903—Safety shields

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Glass Compositions (AREA)
  • Furnace Details (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
DE69805488T 1997-02-28 1998-02-27 Schmelzofen mit vermindertem druck Expired - Fee Related DE69805488T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9060198A JPH10237535A (ja) 1997-02-28 1997-02-28 減圧精錬炉
PCT/JP1998/000821 WO1998038343A1 (fr) 1997-02-28 1998-02-27 Four de fusion a pression reduite

Publications (2)

Publication Number Publication Date
DE69805488D1 true DE69805488D1 (de) 2002-06-27
DE69805488T2 DE69805488T2 (de) 2002-11-21

Family

ID=13135229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69805488T Expired - Fee Related DE69805488T2 (de) 1997-02-28 1998-02-27 Schmelzofen mit vermindertem druck

Country Status (9)

Country Link
US (1) US6162387A (de)
EP (1) EP0921201B1 (de)
JP (1) JPH10237535A (de)
KR (1) KR100292470B1 (de)
CN (1) CN1079436C (de)
AT (1) ATE217911T1 (de)
DE (1) DE69805488T2 (de)
TW (1) TW434321B (de)
WO (1) WO1998038343A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008027006A1 (de) * 2007-12-03 2009-06-04 Sms Mevac Gmbh Vorrichtung zur sekundär- und vakuum-metallurgischen Behandlung von flüssigem Stahl
KR101252642B1 (ko) * 2008-12-30 2013-04-09 주식회사 포스코 정련로 및 이를 이용한 정련방법
CN103045793B (zh) * 2013-01-05 2015-05-06 莱芜钢铁集团有限公司 一种转炉真空冶炼装置及其使用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632097A (en) * 1970-03-20 1972-01-04 United States Steel Corp Steel converter
US3764124A (en) * 1971-04-02 1973-10-09 Usinor Pouring vessel-caisson for treating molten metal in a regulated atmosphere
DD97567A1 (de) * 1972-07-12 1973-05-14
US3854932A (en) * 1973-06-18 1974-12-17 Allegheny Ludlum Ind Inc Process for production of stainless steel
US4149706A (en) * 1976-03-08 1979-04-17 Hoogovens Ijmuiden, B.V. Slag shield for a steel converter
JPS5839885A (ja) * 1981-08-31 1983-03-08 Shimadzu Corp パイプライン用ゲ−トバルブ
FR2564861B1 (fr) * 1984-05-24 1989-03-10 Stein Heurtey Couvercle de poche pour le traitement d'acier liquide.
JPH0823598B2 (ja) * 1987-11-09 1996-03-06 株式会社日立製作所 放射性物質除去装置
JPH01123198U (de) * 1988-02-15 1989-08-22
JPH0263646A (ja) * 1988-08-31 1990-03-02 Kawasaki Steel Corp 真空鋳造装置
JP2805833B2 (ja) * 1989-05-22 1998-09-30 大同特殊鋼株式会社 精錬装置
JPH08283831A (ja) * 1995-04-10 1996-10-29 Nippon Steel Corp 溶融金属の真空精錬装置
JP3458042B2 (ja) * 1996-07-09 2003-10-20 株式会社神戸製鋼所 取鍋を用いる溶鋼処理設備

Also Published As

Publication number Publication date
TW434321B (en) 2001-05-16
JPH10237535A (ja) 1998-09-08
WO1998038343A1 (fr) 1998-09-03
DE69805488T2 (de) 2002-11-21
ATE217911T1 (de) 2002-06-15
US6162387A (en) 2000-12-19
CN1079436C (zh) 2002-02-20
CN1217754A (zh) 1999-05-26
KR20000064802A (ko) 2000-11-06
EP0921201B1 (de) 2002-05-22
EP0921201A1 (de) 1999-06-09
KR100292470B1 (ko) 2001-06-01
EP0921201A4 (de) 2000-05-17

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee