WO2004099694A3 - Feuerfestes bauteil aus keramikmaterial - Google Patents

Feuerfestes bauteil aus keramikmaterial Download PDF

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Publication number
WO2004099694A3
WO2004099694A3 PCT/EP2004/004933 EP2004004933W WO2004099694A3 WO 2004099694 A3 WO2004099694 A3 WO 2004099694A3 EP 2004004933 W EP2004004933 W EP 2004004933W WO 2004099694 A3 WO2004099694 A3 WO 2004099694A3
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic material
melted mass
boundary layer
electrode
component consisting
Prior art date
Application number
PCT/EP2004/004933
Other languages
English (en)
French (fr)
Other versions
WO2004099694A2 (de
Inventor
Christos Aneziris
Manfred Hopf
H R Maier
Dieter Melzer
Original Assignee
Saveway Gmbh & Co Kg
Christos Aneziris
Manfred Hopf
H R Maier
Dieter Melzer
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 Saveway Gmbh & Co Kg, Christos Aneziris, Manfred Hopf, H R Maier, Dieter Melzer filed Critical Saveway Gmbh & Co Kg
Priority to DE502004004582T priority Critical patent/DE502004004582D1/de
Priority to EP04731822A priority patent/EP1620690B1/de
Publication of WO2004099694A2 publication Critical patent/WO2004099694A2/de
Publication of WO2004099694A3 publication Critical patent/WO2004099694A3/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • 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
    • F27D19/00—Arrangements of controlling devices
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0021—Devices for monitoring linings for wear
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/04—Arrangements of indicators or alarms
    • 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
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Ceramic Products (AREA)
  • Glass Compositions (AREA)

Abstract

Feuerfestes Bauteil mit einer zur Schmelze hin angeordnete Kontaktseite des Keramikmaterials, an der sich im Einbauund Betriebsfall eine die Schmelze kontaktierende Grenzschicht ausbildet. Aufgrund eines mit zunehmender Temperatur abnehmenden spezifischen Widerstandes ist diese Grenzschicht bei der sich daran einstellenden Betriebstemperatur elektrisch leitfähig. In das Keramikmaterial werden im Grenzbereich zwischen dieser leitfähigen Grenzschicht und dem sich daran anschliessenden Bereich des Keramikmaterials eine oder mehrere Elektroden angeordnet, die zumindest entlang einem Abschnitt der Schmelzen-Kontaktfläche einen Abstand zu dieser hin einhält oder sich in Abstand zu dieser erstreckt. Im Betriebsfall ist an diese zumindest eine Elektrode und/oder die Schmelze ein Potential zur Erzeugung eines das Keramikmaterial durchsetzenden elektrischen Feldes angelegt. Damit wird über den Abschnitt der Schmelzen-Kontaktfläche hinweg ein Schutz gegen eine Pentration oder ein Ansetzen der Schmelzenschlacke und/oder der Schmelze erreicht.
PCT/EP2004/004933 2003-05-08 2004-05-08 Feuerfestes bauteil aus keramikmaterial WO2004099694A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE502004004582T DE502004004582D1 (de) 2003-05-08 2004-05-08 Feuerfestes bauteil aus keramikmaterial
EP04731822A EP1620690B1 (de) 2003-05-08 2004-05-08 Feuerfestes bauteil aus keramikmaterial

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10320821.6 2003-05-08
DE10320821A DE10320821A1 (de) 2003-05-08 2003-05-08 Feuerfestes Bauteil aus Keramikmaterial

Publications (2)

Publication Number Publication Date
WO2004099694A2 WO2004099694A2 (de) 2004-11-18
WO2004099694A3 true WO2004099694A3 (de) 2005-02-24

Family

ID=33394377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/004933 WO2004099694A2 (de) 2003-05-08 2004-05-08 Feuerfestes bauteil aus keramikmaterial

Country Status (4)

Country Link
EP (1) EP1620690B1 (de)
AT (1) ATE369533T1 (de)
DE (2) DE10320821A1 (de)
WO (1) WO2004099694A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046193A1 (de) 2008-08-06 2010-02-11 Technische Universität Bergakademie Freiberg Keramische Bauteile mit Antihafteigenschaften für Hochtemperaturanwendungen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179264A (ja) * 1983-03-30 1984-10-11 Nippon Steel Corp 溶融金属流出方法
US4481809A (en) * 1983-08-29 1984-11-13 Labate M D Method and apparatus for monitoring erosion in gas stirring devices in molten metal ladles
DE3503221A1 (de) * 1985-01-31 1986-08-14 Didier-Werke Ag, 6200 Wiesbaden Feuerfester gasdurchlaessiger stein
AT386072B (de) * 1983-07-18 1988-06-27 Radex Deutschland Ag Feuerfester stein, insbesondere gasspuelstein
DE4120205A1 (de) * 1991-06-19 1992-12-24 Saveway Gmbh Vorwarneinrichtung fuer induktionsschmelzoefen
EP1348503A1 (de) * 2000-12-25 2003-10-01 Sumitomo Metal Industries, Ltd. Flüssigmetallzufuhrvorrichtung für stranggiessen und diese verwendende stranggiessanlage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179264A (ja) * 1983-03-30 1984-10-11 Nippon Steel Corp 溶融金属流出方法
AT386072B (de) * 1983-07-18 1988-06-27 Radex Deutschland Ag Feuerfester stein, insbesondere gasspuelstein
US4481809A (en) * 1983-08-29 1984-11-13 Labate M D Method and apparatus for monitoring erosion in gas stirring devices in molten metal ladles
DE3503221A1 (de) * 1985-01-31 1986-08-14 Didier-Werke Ag, 6200 Wiesbaden Feuerfester gasdurchlaessiger stein
DE4120205A1 (de) * 1991-06-19 1992-12-24 Saveway Gmbh Vorwarneinrichtung fuer induktionsschmelzoefen
EP1348503A1 (de) * 2000-12-25 2003-10-01 Sumitomo Metal Industries, Ltd. Flüssigmetallzufuhrvorrichtung für stranggiessen und diese verwendende stranggiessanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 038 (M - 358) 19 February 1985 (1985-02-19) *

Also Published As

Publication number Publication date
DE10320821A1 (de) 2004-11-25
EP1620690B1 (de) 2007-08-08
EP1620690A2 (de) 2006-02-01
DE502004004582D1 (de) 2007-09-20
WO2004099694A2 (de) 2004-11-18
ATE369533T1 (de) 2007-08-15

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