EP1332813A2 - Buse réfractaire pour récipient métallurgique - Google Patents

Buse réfractaire pour récipient métallurgique Download PDF

Info

Publication number
EP1332813A2
EP1332813A2 EP02027793A EP02027793A EP1332813A2 EP 1332813 A2 EP1332813 A2 EP 1332813A2 EP 02027793 A EP02027793 A EP 02027793A EP 02027793 A EP02027793 A EP 02027793A EP 1332813 A2 EP1332813 A2 EP 1332813A2
Authority
EP
European Patent Office
Prior art keywords
heater
steel
refractory
thermally insulating
spout
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.)
Granted
Application number
EP02027793A
Other languages
German (de)
English (en)
Other versions
EP1332813B1 (fr
EP1332813A3 (fr
Inventor
Martin Kendall
Jean-Paul Verhoeven
Marc Timmermanns
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.)
Heraeus Electro Nite International NV
Original Assignee
Heraeus Electro Nite International NV
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 Heraeus Electro Nite International NV filed Critical Heraeus Electro Nite International NV
Publication of EP1332813A2 publication Critical patent/EP1332813A2/fr
Publication of EP1332813A3 publication Critical patent/EP1332813A3/fr
Application granted granted Critical
Publication of EP1332813B1 publication Critical patent/EP1332813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/60—Pouring-nozzles with heating or cooling means

Definitions

  • the invention relates to a refractory spout for a metallurgical vessel, in particular for Melting steel, with a through opening having an upper and a lower end and an inner wall enclosing the passage opening on the side.
  • Such spouts are widely known in metallurgy (DE 195 26 970 A1, DE 196 18 605 A1, DE 196 51 533 A1, DE 196 51 534 A1, EP 379 647 A2).
  • a problem with these spouts it is that when the hot molten metal comes in, thermal stresses can be destroyed or that metal on the inner wall of the spouts is deposited.
  • the spouts are usually preheated. Gas burners or induction heaters are used for this. For example with gas burners it is necessary that the preheating phase before the melt flows into the Spout is stopped to remove the burner from the flow area in time can. During this time, however, the spout cools down, so that the mentioned Problems cannot be completely eliminated.
  • the invention is based, to improve the known spouts and the task To design preheating in such a way that destruction due to thermal tension or freezing metal melt on the inner wall of the spout can be largely avoided.
  • thermal insulating material cardboard or a material with a melting point below the Melting point of steel is. Such material may cause it to freeze Metal melt after dissolving or melting the material with the melt flow the spout is rinsed out and does not clog it.
  • thermal insulating material is fibrous or formed by spraying.
  • the heater is expediently made of steel. Even metals with a lower one Melting point as steel may be suitable. When the spout is used for molten steel the heater dissolves as it passes through the melt, so that can flow freely through the spout. Possibly freezing on the heater first Material is dissolved again and rinsed out of the spout.
  • the heating and / or the thermally insulating material by at least two extending in the longitudinal direction of the passage opening, side by side in the circumferential direction arranged parts is formed, since such an arrangement is easier can be made. It makes sense that the two parts are designed to be uniform to simplify manufacturing. The parts should touch each other or mechanical (or electrical) contact with each other.
  • a heater 2 is arranged in the passage opening 1 of the spout.
  • the heater has one two-part (see Fig. 2) meandering structure. It is in the spout by means of holding elements 3 hung. These holding elements 3 lie on the upper edge of the spout.
  • the stoker 2 is made of steel. The preheating phase can extend in time due to its arrangement until the molten metal runs through the spout. When using the spout for molten steel, the heater 2 can be opened and flushed out of the spout.
  • the heater has 2 electrical contacts 4, of which in only one is shown for the sake of simplicity.
  • the second contact makes sense arranged at the corresponding end of the second part of the heater 2.
  • the division into two the heater 2 can be seen in Fig. 2.
  • the two parts of the heater 2 are at the contact point 5 mechanically and electrically connected to each other.
  • the inner wall 6 of the spout is formed from zirconium dioxide.
  • the electrodes 7 are called electrical Contacts 9 led to the outside.
  • the spout has an outer housing 10 made of steel on the at its upper end of a sintered ring 11 made of ceramic material is limited.
  • This insulating material 12 and the sintered ring 11 are formed from zirconium dioxide mullite.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP02027793A 2002-02-01 2002-12-12 Buse réfractaire pour récipient métallurgique Expired - Lifetime EP1332813B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10204305 2002-02-01
DE10204305A DE10204305B4 (de) 2002-02-01 2002-02-01 Feuerfester Ausguss für ein metallurgisches Gefäß

Publications (3)

Publication Number Publication Date
EP1332813A2 true EP1332813A2 (fr) 2003-08-06
EP1332813A3 EP1332813A3 (fr) 2003-11-26
EP1332813B1 EP1332813B1 (fr) 2008-01-30

Family

ID=7713610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027793A Expired - Lifetime EP1332813B1 (fr) 2002-02-01 2002-12-12 Buse réfractaire pour récipient métallurgique

Country Status (10)

Country Link
US (1) US6832707B2 (fr)
EP (1) EP1332813B1 (fr)
JP (1) JP4316897B2 (fr)
KR (1) KR100870162B1 (fr)
CN (1) CN1286601C (fr)
AT (1) ATE385208T1 (fr)
BR (1) BR0300169B1 (fr)
CA (1) CA2413492C (fr)
DE (2) DE10204305B4 (fr)
ES (1) ES2296871T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1275452A3 (fr) * 2001-07-13 2003-12-10 Heraeus Electro-Nite International N.V. Buse réfractaire
DE102007034426B3 (de) * 2007-07-20 2008-12-04 HAGENBURGER Feuerfeste Produkte für Gießereien und Stahlwerke KG Von einer Metallschmelze durchströmbares Bauteil eines Gießsystems
CA2943173A1 (fr) * 2014-05-05 2015-11-12 Refractory Intellectual Property Gmbh & Co. Kg Busette de coulee en ceramique refractaire
KR101951805B1 (ko) * 2017-05-12 2019-02-25 손인철 용탕배출 장치

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435992A (en) * 1966-03-11 1969-04-01 Tisdale Co Inc Pouring nozzle for continuous casting liquid metal or ordinary steel
JPS546816A (en) * 1977-06-20 1979-01-19 Kobe Steel Ltd Prevention of pouriggnozzle blockade
EP0407786A1 (fr) * 1989-07-10 1991-01-16 General Electric Company Tube de transfert avec dispositif interne de chauffage
JPH05337635A (ja) * 1992-06-05 1993-12-21 Aichi Steel Works Ltd 金属溶湯保持容器
DE19526970A1 (de) * 1995-07-25 1997-01-30 Didier Werke Ag Verfahren und Vorrichtung zum induktiven Aufheizen eines feuerfesten Formteils
DE19603317A1 (de) * 1995-08-28 1997-03-06 Didier Werke Ag Verfahren zum Betreiben eines Induktors und Induktor zur Durchführung des Verfahrens
DE19603607A1 (de) * 1995-10-05 1997-04-10 Didier Werke Ag Mehrbereichsinduktoreinrichtung
DE10132575C1 (de) * 2001-07-10 2002-07-04 Heraeus Electro Nite Int Feuerfester Ausguss
DE10160070A1 (de) * 2001-12-06 2003-06-18 Sms Demag Ag Ausguss für Metallschmelzen, insbesondere für Stahlschmelzen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE830039A (fr) * 1975-06-09 1975-10-01 Perfectionnements aux busettes de coulee
DE3903210C1 (fr) * 1989-01-31 1990-06-28 Mannesmann Ag, 4000 Duesseldorf, De
JPH05337645A (ja) * 1992-06-08 1993-12-21 Ishikawajima Harima Heavy Ind Co Ltd 溶接アークオシレート方法
US5902509A (en) * 1995-07-25 1999-05-11 Dider-Werke Ag Method and apparatus for inductively heating a refractory shaped member

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435992A (en) * 1966-03-11 1969-04-01 Tisdale Co Inc Pouring nozzle for continuous casting liquid metal or ordinary steel
JPS546816A (en) * 1977-06-20 1979-01-19 Kobe Steel Ltd Prevention of pouriggnozzle blockade
EP0407786A1 (fr) * 1989-07-10 1991-01-16 General Electric Company Tube de transfert avec dispositif interne de chauffage
JPH05337635A (ja) * 1992-06-05 1993-12-21 Aichi Steel Works Ltd 金属溶湯保持容器
DE19526970A1 (de) * 1995-07-25 1997-01-30 Didier Werke Ag Verfahren und Vorrichtung zum induktiven Aufheizen eines feuerfesten Formteils
DE19603317A1 (de) * 1995-08-28 1997-03-06 Didier Werke Ag Verfahren zum Betreiben eines Induktors und Induktor zur Durchführung des Verfahrens
DE19603607A1 (de) * 1995-10-05 1997-04-10 Didier Werke Ag Mehrbereichsinduktoreinrichtung
DE10132575C1 (de) * 2001-07-10 2002-07-04 Heraeus Electro Nite Int Feuerfester Ausguss
DE10160070A1 (de) * 2001-12-06 2003-06-18 Sms Demag Ag Ausguss für Metallschmelzen, insbesondere für Stahlschmelzen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 168 (M-1580), 22. März 1994 (1994-03-22) & JP 05 337635 A (AICHI STEEL WORKS LTD;OTHERS: 01), 21. Dezember 1993 (1993-12-21) *

Also Published As

Publication number Publication date
KR100870162B1 (ko) 2008-11-25
CN1435288A (zh) 2003-08-13
EP1332813B1 (fr) 2008-01-30
JP4316897B2 (ja) 2009-08-19
US20030146553A1 (en) 2003-08-07
CN1286601C (zh) 2006-11-29
US6832707B2 (en) 2004-12-21
BR0300169B1 (pt) 2011-11-16
CA2413492A1 (fr) 2003-08-01
EP1332813A3 (fr) 2003-11-26
CA2413492C (fr) 2009-09-29
DE10204305B4 (de) 2004-04-29
DE10204305A1 (de) 2003-08-21
DE50211632D1 (de) 2008-03-20
JP2003245772A (ja) 2003-09-02
ES2296871T3 (es) 2008-05-01
BR0300169A (pt) 2003-09-09
KR20030066342A (ko) 2003-08-09
ATE385208T1 (de) 2008-02-15

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