DE60202597D1 - Vakuumkammer, insbesondere zur entkohlung von stahl - Google Patents

Vakuumkammer, insbesondere zur entkohlung von stahl

Info

Publication number
DE60202597D1
DE60202597D1 DE60202597T DE60202597T DE60202597D1 DE 60202597 D1 DE60202597 D1 DE 60202597D1 DE 60202597 T DE60202597 T DE 60202597T DE 60202597 T DE60202597 T DE 60202597T DE 60202597 D1 DE60202597 D1 DE 60202597D1
Authority
DE
Germany
Prior art keywords
steel
vacuum chamber
plungers
tank
dehyloring
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
DE60202597T
Other languages
English (en)
Other versions
DE60202597T2 (de
Inventor
Jean-Claude Lecas
Pascal Capelli
Paul Hayez
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.)
USINOR SA
Original Assignee
USINOR SA
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 USINOR SA filed Critical USINOR SA
Publication of DE60202597D1 publication Critical patent/DE60202597D1/de
Application granted granted Critical
Publication of DE60202597T2 publication Critical patent/DE60202597T2/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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE60202597T 2001-03-27 2002-03-21 Vakuumkammer, insbesondere zur entkohlung von stahl Expired - Fee Related DE60202597T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0104073 2001-03-27
FR0104073A FR2822849B1 (fr) 2001-03-27 2001-03-27 Enceinte de traitement sous vide notamment de decarburation d'acier
PCT/FR2002/000987 WO2002077298A2 (fr) 2001-03-27 2002-03-21 Enceinte de traitement sous vide notamment de decarburation d'acier

Publications (2)

Publication Number Publication Date
DE60202597D1 true DE60202597D1 (de) 2005-02-17
DE60202597T2 DE60202597T2 (de) 2005-06-16

Family

ID=8861562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60202597T Expired - Fee Related DE60202597T2 (de) 2001-03-27 2002-03-21 Vakuumkammer, insbesondere zur entkohlung von stahl

Country Status (12)

Country Link
US (1) US20040108634A1 (de)
EP (1) EP1373584B1 (de)
JP (1) JP2004529267A (de)
KR (1) KR20030083754A (de)
CN (1) CN1524129A (de)
AT (1) ATE286988T1 (de)
AU (1) AU2002308021A1 (de)
CA (1) CA2442006A1 (de)
DE (1) DE60202597T2 (de)
ES (1) ES2239243T3 (de)
FR (1) FR2822849B1 (de)
WO (1) WO2002077298A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1782826A1 (de) * 2005-11-08 2007-05-09 GBF Gesellschaft für Biotechnologische Forschung mbH PQS, c-di-GMP und deren Konjugate als Ajuvans und deren Verwendung in Pharmazeutische Zusammensetzungen
CN101748246B (zh) * 2008-12-15 2012-02-01 鞍钢股份有限公司 提高真空循环脱气炉插入管寿命的方法
JP6226483B2 (ja) * 2015-11-16 2017-11-08 Ｊｆｅスチール株式会社 真空脱ガス装置の環流管

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103950B (de) * 1956-02-21 1961-04-06 Hoerder Huettenunion Ag Einrichtung zum fortlaufenden Entgasen von Metall-, insbesondere Stahlschmelzen
US3131245A (en) * 1958-03-13 1964-04-28 Heraeus Gmbh W C Immersion pipe for vacuum degassing apparatus
US3203688A (en) * 1961-05-16 1965-08-31 Mc Graw Edison Co Apparatus for degassing molten metal
AT264567B (de) * 1966-09-15 1968-09-10 Oesterr Amerikan Magnesit Zustellung von Stahlentgasungsgefäßen und Verfahren zur Reparatur solcher Gefäße
US3429565A (en) * 1966-12-23 1969-02-25 Harbison Walker Refractories Metallurgical degasser vessels
US5024421A (en) * 1990-05-08 1991-06-18 Usx Corporation Interlocking snorkel refractory
ES2143647T3 (es) * 1994-07-26 2000-05-16 Veitsch Radex Gmbh Dispositivo de barrido de gases montado en la tobera de soplado de una cuba de desgasificado bajo vacio.

Also Published As

Publication number Publication date
EP1373584A2 (de) 2004-01-02
JP2004529267A (ja) 2004-09-24
AU2002308021A1 (en) 2002-10-08
US20040108634A1 (en) 2004-06-10
KR20030083754A (ko) 2003-10-30
WO2002077298A3 (fr) 2003-04-10
FR2822849A1 (fr) 2002-10-04
WO2002077298A2 (fr) 2002-10-03
CA2442006A1 (fr) 2002-10-03
CN1524129A (zh) 2004-08-25
ES2239243T3 (es) 2005-09-16
FR2822849B1 (fr) 2003-12-12
EP1373584B1 (de) 2005-01-12
ATE286988T1 (de) 2005-01-15
DE60202597T2 (de) 2005-06-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee