EP0589998A1 - Busette de coulee par immersion pour brames minces - Google Patents

Busette de coulee par immersion pour brames minces

Info

Publication number
EP0589998A1
EP0589998A1 EP92912758A EP92912758A EP0589998A1 EP 0589998 A1 EP0589998 A1 EP 0589998A1 EP 92912758 A EP92912758 A EP 92912758A EP 92912758 A EP92912758 A EP 92912758A EP 0589998 A1 EP0589998 A1 EP 0589998A1
Authority
EP
European Patent Office
Prior art keywords
side walls
mold
immersion
narrow side
distance
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
EP92912758A
Other languages
German (de)
English (en)
Other versions
EP0589998B1 (fr
Inventor
Georg Hofmann
Lothar Parschat
Fritz-Peter Pleschiutschnigg
Peter Wahls
Hans Butz
Ulrich Siegers
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.)
FEUERFESTWERK BAD HONNINGEN GmbH
Vodafone GmbH
Original Assignee
FEUERFESTWERK BAD HONNINGEN GmbH
Mannesmann AG
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 FEUERFESTWERK BAD HONNINGEN GmbH, Mannesmann AG filed Critical FEUERFESTWERK BAD HONNINGEN GmbH
Publication of EP0589998A1 publication Critical patent/EP0589998A1/fr
Application granted granted Critical
Publication of EP0589998B1 publication Critical patent/EP0589998B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B22D41/50—Pouring-nozzles

Definitions

  • the invention relates to a dip tube according to the preamble of claim 1.
  • a pouring tube For the continuous casting of flat products made of steel, a pouring tube is used, which directs the melt from a storage container into a mold.
  • the mold consists of broad side walls and narrow side walls, which keep the wide side walls at a distance of 50 to 100 mm and limit the narrow sides of the strand.
  • the immersion pouring tubes have been adapted to the mold format in such a way that the immersion pouring tubes initially consist of a piece of pipe adjoining the casting container, which is enlarged in cross-section in the direction of the narrow side walls of the mold and is reduced in a direction perpendicular thereto.
  • Dipping spouts with outlet openings which point in the direction of the narrow sides (see DE 3709 188 A1) or also point more in the pouring direction are customary, as is known, for example, from EP 0403808 A1.
  • immersion spouts are also common, which have only one pouring opening in the pouring direction (see Stahl and Eisen (1991), No. 9, p. 107).
  • These immersion nozzles allow a satisfactory operation with a strand lowering speed of up to 3 m / min.
  • the melt emerging from the immersion tube has an unstable flow, such that the melt penetrating into the mold oscillates back and forth between the right and left boundary walls of the immersion nozzle.
  • the invention is therefore based on the object of developing an immersion nozzle which avoids these disadvantages and allows the use of higher strand lowering speeds of up to 6 m / min with strand dimensions of 50 to 100 mm thickness and 600 mm to 2000 mm width and above.
  • Fig. 1 shows a longitudinal section through the protruding into the mold
  • Fig. 2 is a plan view in the sectional plane A-A of Fig. 1 and Fig. 3 shows another embodiment of an inventive
  • Dipping spout in longitudinal section Dipping spout in longitudinal section.
  • the immersion pouring tube consists of an upper tubular section 4, which is followed by a further section 4 '.
  • the section 4 'of the immersion pouring tube is flared in one plane and is with a centrally arranged wedge-shaped
  • Broad side walls 2 have a distance from each other between 50 to 100 mm, the respective angle is selected such that the angle of 10 is a distance between the narrow side walls 2 '
  • Narrow side walls of the mold of 2000 mm and more are assigned.
  • the outlet openings of the channels 7 lie in a plane perpendicular to the immersion tube axis 9.
  • the plane of the outlet openings of the channels 7 are arranged perpendicular to the axes 8 of the channels 7.
  • the position of the channels 7 of the section 4 'of the immersion pouring tube is defined by the angle o - which one of the channel axes 8 forms with the immersion pouring tube axis 9.
  • the melt or the solidification front present in the strand is included in the formation of the flow. This results in essentially downward flow and only. a small proportion of the inflowing melt against the continuous casting direction a calm undisturbed melt pool level in the mold.
  • the v / eere formation of the immersion pouring tube contributes essentially to this calm flow, such that the common cross-sectional area of the outflow openings of the channels 7 is larger than the free cross-sectional area of the inlet opening of the immersion pouring tube 4.
  • FIG. 1 This free cross-sectional area of the inlet opening of the immersion pouring tube 4 is given in FIG. 1 by the annular gap between the stopper 5 and the spout 6 of a casting container, not shown.
  • the spout 6 is embedded in a known manner in the bottom of the pouring container and the immersion tube 4 is flanged to the bottom plate of the pouring container under the pouring spout.
  • a sealing ring 12 is expediently provided on the parting line for sealing in a recess in the flange 4 of the immersion pouring tube 4.
  • the immersion pouring tube is flanged under the slide closure in a manner known per se and the cross-sectional area on the inlet side is given to one another in its respective position through the openings in the slide plates.
  • Fig. 3 shows an embodiment of the immersion pouring tube 4 in the event that the immersion pouring tube 4 is inserted into the bottom of the pouring container.
  • the upper section 13 of the immersion pouring tube 4 with a conically enlarged circumference then corresponds to the spout 6 as shown in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Basic Packing Technique (AREA)
  • Glass Compositions (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

Une busette de coulée par immersion sert à introduire l'acier fondu contenu dans un récipient de coulée dans une coquille formée de parois latérales larges et de parois latérales étroites afin de fabriquer des produits plats. La busette de coulée comprend une tubulure raccordée au récipient de coulée dont la section transversale s'élargit dans la direction des parois latérales étroites de la coquille et dont l'extrémité inférieure est pourvue d'un élément de base avec des orifices de sortie de l'acier fondu. Afin d'obtenir une busette de coulée par immersion n'ayant pas les inconvénients de l'état de l'art et qui permet de travailler à des vitesses de descente de la ligne pouvant aller jusqu'à 6 m/min avec des lignes ayant 50 to 100 mm d'épaisseur et 600 mm à 2000 mm de largeur, la paroi intérieure (1) de la partie (4') de la busette de coulée par immersion (4) dont la section transversale s'élargit forme avec les parties opposées (3') de la paroi de l'élément de base (3) des canaux d'écoulement (7) dont les axes (8) forment avec l'axe (9) de la busette de coulée par immersion un angle alpha compris entre 10° et 22°. Un écartement d'environ 600 mm entre les parois latérales étroites (2') de la coquille est associé au plus petit angle et un écartement de 2000 mm ou davantage entre les parois latérales étroites (2') de la coquille est associé au plus grand angle. L'écartement entre les parois latérales larges (2) de la coquille est compris entre 50 et 100 mm.
EP92912758A 1991-06-21 1992-06-22 Busette de coulee par immersion pour brames minces Expired - Lifetime EP0589998B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4120999 1991-06-21
DE4120999 1991-06-21
DE4142447 1991-12-18
DE4142447A DE4142447C3 (de) 1991-06-21 1991-12-18 Tauchgießrohr - Dünnbramme
PCT/DE1992/000517 WO1993000191A1 (fr) 1991-06-21 1992-06-22 Busette de coulee par immersion pour brames minces

Publications (2)

Publication Number Publication Date
EP0589998A1 true EP0589998A1 (fr) 1994-04-06
EP0589998B1 EP0589998B1 (fr) 2000-03-15

Family

ID=25904900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92912758A Expired - Lifetime EP0589998B1 (fr) 1991-06-21 1992-06-22 Busette de coulee par immersion pour brames minces

Country Status (12)

Country Link
US (1) US5402993A (fr)
EP (1) EP0589998B1 (fr)
JP (1) JP2965217B2 (fr)
KR (1) KR100226530B1 (fr)
AT (1) ATE190533T1 (fr)
CA (1) CA2111981C (fr)
DE (2) DE4142447C3 (fr)
DK (1) DK0589998T3 (fr)
ES (1) ES2147552T3 (fr)
GR (1) GR3033633T3 (fr)
UA (1) UA26335C2 (fr)
WO (1) WO1993000191A1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319966A1 (de) * 1993-06-17 1994-12-22 Didier Werke Ag Eintauchausguß
BE1007317A3 (fr) * 1993-07-27 1995-05-16 Int Ind Eng Sa Dispositif d'amenee et d'echange d'un tube de coulee dans une installation de coulee continue a brames minces.
US5944261A (en) * 1994-04-25 1999-08-31 Vesuvius Crucible Company Casting nozzle with multi-stage flow division
US5785880A (en) * 1994-03-31 1998-07-28 Vesuvius Usa Submerged entry nozzle
IT1267284B1 (it) * 1994-08-08 1997-01-28 Danieli Off Mecc Scaricatore per colata continua
IT1267299B1 (it) * 1994-09-30 1997-01-28 Danieli Off Mecc Scaricatore per cristallizzatore per colata continua di bramme sottili
DE4436990C1 (de) * 1994-10-07 1995-12-07 Mannesmann Ag Tauchgießrohr
DE19505390C2 (de) * 1995-02-17 2003-10-30 Sms Demag Ag Tauchgießrohr
IT1284035B1 (it) * 1996-06-19 1998-05-08 Giovanni Arvedi Tuffante per la colata continua di bramme sottili
AU727845B2 (en) * 1996-07-29 2001-01-04 Mannesmann Aktiengesellschaft Immersion nozzle for pouring molten metal (joint point)
US5819844A (en) * 1996-07-31 1998-10-13 Vesuvius Crucible Company Beaver-tail tube assembly and tube changing method
UA51734C2 (uk) * 1996-10-03 2002-12-16 Візувіус Крусібл Компані Занурений стакан для пропускання рідкого металу і спосіб пропускання рідкого металу через нього
FR2754748B1 (fr) * 1996-10-23 1998-12-04 Vesuvius France Sa Piece de transfert et son procede de fabrication
IT1287156B1 (it) * 1996-11-12 1998-08-04 Giovanni Arvedi Insieme perfezionato di apparecchiature per la colata continua a velocita' elevata di bramme d'acciaio sottili di buona qualita'
US6125916A (en) * 1996-11-12 2000-10-03 Giovanni Arvedi Apparatus for the high-speed continuous casting of good quality thin steel slabs
DE19647363C2 (de) * 1996-11-18 1999-01-21 Schloemann Siemag Ag Tauchausguß bzw. -rohr
DE19724232C2 (de) * 1997-06-03 1999-04-15 Mannesmann Ag Verfahren und Vorrichtung zum Erzeugen von Brammen
ES2214796T3 (es) * 1998-11-20 2004-09-16 Sms Demag Ag Tubo de inmersion para fundicion para introducir masa fundida en una coquilla para la fundicion continua, especialmente de productos planos.
US6467704B2 (en) 2000-11-30 2002-10-22 Foseco International Limited Nozzle for guiding molten metal
DE10203594C1 (de) 2002-01-23 2003-05-15 Sms Demag Ag Tauchausguss für ein einer Gießeinrichtung vorgeschaltetes metallurgisches Gefäß
US7757747B2 (en) 2005-04-27 2010-07-20 Nucor Corporation Submerged entry nozzle
US20060243760A1 (en) * 2005-04-27 2006-11-02 Mcintosh James L Submerged entry nozzle
US7926550B2 (en) * 2007-01-19 2011-04-19 Nucor Corporation Casting delivery nozzle with insert
US7926549B2 (en) * 2007-01-19 2011-04-19 Nucor Corporation Delivery nozzle with more uniform flow and method of continuous casting by use thereof
US8047264B2 (en) * 2009-03-13 2011-11-01 Nucor Corporation Casting delivery nozzle
US8905335B1 (en) * 2009-06-10 2014-12-09 The United States Of America, As Represented By The Secretary Of The Navy Casting nozzle with dimensional repeatability for viscous liquid dispensing
EA016943B1 (ru) * 2011-11-09 2012-08-30 Техком Гмбх Способ непрерывной разливки стали и погружной стакан для непрерывной разливки стали
MX2019013593A (es) * 2017-05-15 2020-01-13 Vesuvius U S A Corp Boquilla de plancha asimetrica y unidad metalurgica que la incluye para la colada de metal.
CN112548086B (zh) * 2020-12-03 2022-05-17 一重集团大连工程技术有限公司 一种抑制液面波动的板坯浸入式水口

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709138C2 (de) * 1987-03-20 1996-09-05 Siemens Ag Verfahren zur Herstellung eines magnetischen Werkstoffes aus pulverförmigen Ausgangskomponenten
DE3709188A1 (de) * 1987-03-20 1988-09-29 Mannesmann Ag Ausgiessrohr fuer metallurgische gefaesse
DE3811751A1 (de) * 1988-04-08 1989-10-19 Schloemann Siemag Ag Tauchgiessrohr zum einleiten von metallschmelze in eine metallbandgiesskokille
GB8814331D0 (en) * 1988-06-16 1988-07-20 Davy Distington Ltd Continuous casting of steel
US5205343A (en) * 1989-06-03 1993-04-27 Sms Schloemann-Siemag Aktiengesellschaft Pouring tube for feeding molten steel into a continuous casting mold
DE3918228C2 (de) * 1989-06-03 1996-11-07 Schloemann Siemag Ag Tauchgießrohr zum Einleiten von Stahlschmelze in eine Stranggießkokille
DE4032624A1 (de) * 1990-10-15 1992-04-16 Schloemann Siemag Ag Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9300191A1 *

Also Published As

Publication number Publication date
ATE190533T1 (de) 2000-04-15
KR100226530B1 (ko) 1999-10-15
KR940701312A (ko) 1994-05-28
DK0589998T3 (da) 2000-06-05
DE4142447A1 (de) 1992-12-24
DE59209821D1 (de) 2000-04-20
DE4142447C2 (de) 1993-11-11
UA26335C2 (uk) 1999-08-30
JP2965217B2 (ja) 1999-10-18
JPH06508559A (ja) 1994-09-29
GR3033633T3 (en) 2000-10-31
ES2147552T3 (es) 2000-09-16
US5402993A (en) 1995-04-04
CA2111981A1 (fr) 1993-01-07
EP0589998B1 (fr) 2000-03-15
WO1993000191A1 (fr) 1993-01-07
DE4142447C3 (de) 1999-09-09
CA2111981C (fr) 1999-04-06

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