EP3228403A3 - Method and device for keeping liquid metals warm - Google Patents

Method and device for keeping liquid metals warm Download PDF

Info

Publication number
EP3228403A3
EP3228403A3 EP17162249.1A EP17162249A EP3228403A3 EP 3228403 A3 EP3228403 A3 EP 3228403A3 EP 17162249 A EP17162249 A EP 17162249A EP 3228403 A3 EP3228403 A3 EP 3228403A3
Authority
EP
European Patent Office
Prior art keywords
melt
warm
liquid metals
burner
temperature distribution
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
EP17162249.1A
Other languages
German (de)
French (fr)
Other versions
EP3228403A2 (en
EP3228403B1 (en
Inventor
Johannes Rauch
Michael Potesser
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.)
Messer Austria GmbH
Original Assignee
Messer Austria GmbH
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 Messer Austria GmbH filed Critical Messer Austria GmbH
Priority to PL17162249T priority Critical patent/PL3228403T3/en
Priority to RS20200777A priority patent/RS60444B1/en
Priority to SI201730316T priority patent/SI3228403T1/en
Publication of EP3228403A2 publication Critical patent/EP3228403A2/en
Publication of EP3228403A3 publication Critical patent/EP3228403A3/en
Application granted granted Critical
Publication of EP3228403B1 publication Critical patent/EP3228403B1/en
Priority to HRP20201180TT priority patent/HRP20201180T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
    • B22D41/01—Heating means
    • B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
    • 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
    • B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
    • B22D41/01—Heating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Forging (AREA)

Abstract

Um flüssige Metalle in einem meist zum Transport geeigneten Behälter warmzuhalten ist es bekannt, einen Brenner in einem nach oben offenen, unterseitig geschlossenen Tauchrohr aufzunehmen, dessen Heizenergie über die Wände des Tauchrohrs auf die Schmelze übertragen wird.In order to keep liquid metals warm in a container which is usually suitable for transport, it is known to receive a burner in an upwardly open, underside-sealed immersion tube whose heating energy is transferred to the melt via the walls of the immersion tube.

Um die Energieeffizienz und die Homogenität der Temperaturverteilung in der Schmelze zu verbessern, wird erfindungsgemäß vorgeschlagen, den Brenner in einem Tauchrohr anzuordnen, das in einem unteren Abschnitt mit wenigstens einer Strömungsöffnung für die Rauchgase ausgerüstet, im Übrigen aber geschlossen ausgebildet ist. Die aus der Strömungsöffnung des Tauchrohrs austretenden, als Gasblasen in der Schmelze aufsteigenden Rauchgase vergrößern die für die Wärmeübertragung zur Verfügung stehende Fläche, zugleich sorgen die in der Schmelze aufsteigenden Rauchgasblasen für eine gute Durchmischung der Schmelze und damit für eine homogene Temperaturverteilung.

Figure imgaf001
In order to improve the energy efficiency and the homogeneity of the temperature distribution in the melt, the invention proposes to arrange the burner in a dip tube, which is equipped in a lower portion with at least one flow opening for the flue gases, but otherwise formed closed. The emerging from the flow opening of the dip tube, ascending as gas bubbles in the melt flue gases increase the surface available for heat transfer, at the same time ensure the rising in the melt flue gas bubbles for a good mixing of the melt and thus for a homogeneous temperature distribution.
Figure imgaf001
EP17162249.1A 2016-03-24 2017-03-22 Method and device for keeping liquid metals warm Active EP3228403B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL17162249T PL3228403T3 (en) 2016-03-24 2017-03-22 Method and device for keeping liquid metals warm
RS20200777A RS60444B1 (en) 2016-03-24 2017-03-22 Method and device for keeping liquid metals warm
SI201730316T SI3228403T1 (en) 2016-03-24 2017-03-22 Method and device for keeping liquid metals warm
HRP20201180TT HRP20201180T1 (en) 2016-03-24 2020-07-29 Method and device for keeping liquid metals warm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016003728.8A DE102016003728A1 (en) 2016-03-24 2016-03-24 Method and device for keeping liquid metals warm

Publications (3)

Publication Number Publication Date
EP3228403A2 EP3228403A2 (en) 2017-10-11
EP3228403A3 true EP3228403A3 (en) 2017-11-15
EP3228403B1 EP3228403B1 (en) 2020-06-03

Family

ID=58401457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17162249.1A Active EP3228403B1 (en) 2016-03-24 2017-03-22 Method and device for keeping liquid metals warm

Country Status (9)

Country Link
EP (1) EP3228403B1 (en)
DE (1) DE102016003728A1 (en)
ES (1) ES2797928T3 (en)
HR (1) HRP20201180T1 (en)
HU (1) HUE050839T2 (en)
LT (1) LT3228403T (en)
PL (1) PL3228403T3 (en)
RS (1) RS60444B1 (en)
SI (1) SI3228403T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604493B (en) * 2020-06-19 2021-12-07 武汉钢铁有限公司 Tundish baking protection system and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217094A1 (en) * 1985-08-22 1987-04-08 Linde Aktiengesellschaft Process and installation for maintaining the temperature of a melt in a ladle
JPH02290663A (en) * 1989-04-28 1990-11-30 Toho Gas Co Ltd Submerged burner type low pressure casting furnace
EP1078704A1 (en) * 1999-08-27 2001-02-28 Kawasaki Steel Corporation A ladle heating system and methods of heating the ladle
JP3485826B2 (en) * 1998-03-13 2004-01-13 株式会社トウネツ Melt holding furnace
WO2006133679A2 (en) * 2005-06-13 2006-12-21 Karl Konzelmann Metallschmelzwerke Gmbh & Co. Kg Method for adjusting pre-determined melting properties of a liquid metal, especially liquid aluminium, treatment system, transport container, and transport vehicle for liquid metal
DE102007022684A1 (en) * 2006-05-16 2007-11-29 Sms Demag Ag Heating device for preheating a liquid metal transport container
JP5832332B2 (en) * 2012-02-22 2015-12-16 東邦瓦斯株式会社 Molten metal burner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637065A1 (en) 1986-10-31 1988-05-05 Technometal Ges Fuer Metalltec Ladle with heating device
JP4125944B2 (en) * 2002-11-15 2008-07-30 照雄 神成 Apparatus and method for preheating the inside of a ladle that temporarily receives molten metal

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217094A1 (en) * 1985-08-22 1987-04-08 Linde Aktiengesellschaft Process and installation for maintaining the temperature of a melt in a ladle
JPH02290663A (en) * 1989-04-28 1990-11-30 Toho Gas Co Ltd Submerged burner type low pressure casting furnace
JP3485826B2 (en) * 1998-03-13 2004-01-13 株式会社トウネツ Melt holding furnace
EP1078704A1 (en) * 1999-08-27 2001-02-28 Kawasaki Steel Corporation A ladle heating system and methods of heating the ladle
WO2006133679A2 (en) * 2005-06-13 2006-12-21 Karl Konzelmann Metallschmelzwerke Gmbh & Co. Kg Method for adjusting pre-determined melting properties of a liquid metal, especially liquid aluminium, treatment system, transport container, and transport vehicle for liquid metal
DE102007022684A1 (en) * 2006-05-16 2007-11-29 Sms Demag Ag Heating device for preheating a liquid metal transport container
JP5832332B2 (en) * 2012-02-22 2015-12-16 東邦瓦斯株式会社 Molten metal burner

Also Published As

Publication number Publication date
EP3228403A2 (en) 2017-10-11
DE102016003728A1 (en) 2017-09-28
HRP20201180T1 (en) 2020-11-13
RS60444B1 (en) 2020-07-31
EP3228403B1 (en) 2020-06-03
LT3228403T (en) 2020-08-25
PL3228403T3 (en) 2020-12-14
HUE050839T2 (en) 2021-01-28
SI3228403T1 (en) 2020-08-31
ES2797928T3 (en) 2020-12-04

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