EP0482423A1 - Tube plongeur de coulée pour l'introduction d'acier liquide dans une lingotière de coulée continue - Google Patents

Tube plongeur de coulée pour l'introduction d'acier liquide dans une lingotière de coulée continue Download PDF

Info

Publication number: EP0482423A1
Authority: EP; European Patent Office
Prior art keywords: outflow; pouring tube; immersion; tube according; immersion pouring
Prior art date: 1990-10-15
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

EP91117179A

Other languages

German (de)

English (en)

Other versions

EP0482423B1 (fr

Inventor

Hans Streubel

Jürgen Friedrich

Horst Grothe

Günter Dr. Flemming

Erk Boysen

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.)

SMS Siemag AG

Original Assignee

SMS Schloemann Siemag AG

Schloemann Siemag 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.)

1990-10-15

Filing date

1991-10-09

Publication date

1992-04-29

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6416275&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0482423(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-10-09 Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG

1992-04-29 Publication of EP0482423A1 publication Critical patent/EP0482423A1/fr

1994-08-03 Application granted granted Critical

1994-08-03 Publication of EP0482423B1 publication Critical patent/EP0482423B1/fr

2011-10-09 Anticipated expiration legal-status Critical

Status Revoked legal-status Critical Current

Links

238000007654 immersion Methods 0.000 title claims abstract description 19
229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
239000010959 steel Substances 0.000 title claims abstract description 16
238000005266 casting Methods 0.000 title claims abstract description 15
238000009749 continuous casting Methods 0.000 title claims abstract description 4
239000002184 metal Substances 0.000 claims abstract description 3
239000007788 liquid Substances 0.000 claims description 4
238000009434 installation Methods 0.000 claims description 2
238000005406 washing Methods 0.000 description 4
238000009826 distribution Methods 0.000 description 3
241001295925 Gegenes Species 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000001788 irregular Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
230000007704 transition Effects 0.000 description 1

Images

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 an immersion pouring tube for introducing molten metal, in particular liquid steel, into the pouring region of a continuous casting installation, consisting of an inflow part connected to a casting container and a flattened outlet part with at least one surface arranged in the direction of flow.
a flattened end part with slot-like outlet openings and a base piece with a raised inner contour are arranged on the cylindrical tube part.
the base piece has a greater extent in the direction of the outflow openings than the distance between the walls delimiting the outflow openings upwards.
the known pouring tube has not grown with the required operational reliability and service life, despite the complex manufacture of the high stresses in continuous steel casting.
the molten steel emerges from the narrow outflow openings with excessive kinetic energy, which in particular in a narrow steel strip casting mold leads to washing out of the still thin strand shell and the formation of a damming wave in front of the narrow side walls.
an irregular surface structure is formed due to the uneven flow distribution within the mold.
the object of the invention is to provide a reliable immersion pouring tube for pouring molten steel into a mold, in particular for casting steel strips, whereby due to better flow distribution, a build-up wave in the surface of the bath level and a washing out of the strand shell formed by the liquid steel are greatly reduced and a casting strand, in particular steel strip, is used uniformly flawless surface is achieved.
the spraying and baking of molten steel on the mold walls should be avoided during the casting process.
the invention is based on the knowledge that the cause of an uneven, unstable melt distribution within the mold is too high and uneven exit velocity over the exit cross-sections.
the object is achieved in that the outflow part has at least one surface for dividing the flow into at least two individual flows and surfaces for mutually directing the individual flows in front of the outflow opening.
a web connecting the wide walls of the outflow part has the upper partial surfaces and at least one lower guide surface.
the outflow part forms the lateral guide surface and floor surfaces at a distance from the web.
the width w of the outflow opening corresponds to at least twice the distance a of the web sliding surface from the floor.
the width of the outflow part parallel to the wide walls is between 350 and 550 mm.
FIG. 1 there is an immersion pouring tube 3 at the bottom outlet 1 of a casting container 2, the lower end of which projects into a steel strip casting mold 4 to below the casting level 5.
the steel strip casting mold 4 consists of two cooled broad side walls 6 and two narrow side walls 7 which are adjustably arranged between them.
the wide side walls 6 form an enlarged pouring area 8 for receiving the immersion pouring tube 3, which extends over part of the mold height.
the immersion pouring tube 3 consists of a connecting piece 9, a flat outflow part 10 and a transition part 11.
the outflow part 10 is formed by two wide walls 12, two guide walls 13 and a bottom 14.
the web 16 has two partial surfaces 17 on the upper side, which in the exemplary embodiment are inclined towards one another in a roof-like manner.
the flow 18 tapering from above is separated into two partial flows 19 by the partial surfaces 17 or, for example, a curved upper side.
the partial flows 19 are deflected twice on the guide walls 13 and the bottom 14, so that they meet below the guide surface 20 of the web 16, with considerable flow energy being consumed. As a result, a stream of liquid steel of low speed emerges from the outflow opening 15, so that a ram wave and washing out of the strand shell are avoided.
the lower guide surface 20 of the web 16 determines the height of the lateral flow cross sections, i.e. the distance a of the guide surface 20 from the floor 14. This can advantageously be 50 to 150 mm.
the wide walls 12 are shorter in the area of the outflow openings 15 than in the area of the bottom 14.
the width b of the outflow part 10 can be between 350-550 mm.
the width w of the outflow opening 15 should be at least twice the distance a between the guide surface 20 and the floor 14.
the invention is not restricted to the exemplary embodiment shown.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Continuous Casting (AREA)
Treatment Of Steel In Its Molten State (AREA)

EP91117179A 1990-10-15 1991-10-09 Tube plongeur de coulée pour l'introduction d'acier liquide dans une lingotière de coulée continue Revoked EP0482423B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4032624		1990-10-15
DE4032624A DE4032624A1 (de)	1990-10-15	1990-10-15	Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille

Publications (2)

Publication Number	Publication Date
EP0482423A1 true EP0482423A1 (fr)	1992-04-29
EP0482423B1 EP0482423B1 (fr)	1994-08-03

Family

ID=6416275

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91117179A Revoked EP0482423B1 (fr)	1990-10-15	1991-10-09	Tube plongeur de coulée pour l'introduction d'acier liquide dans une lingotière de coulée continue

Country Status (3)

Country	Link
EP (1)	EP0482423B1 (fr)
AT (1)	ATE109386T1 (fr)
DE (2)	DE4032624A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2668966A1 (fr) *	1990-11-14	1992-05-15	Ishikawajima Harima Heavy Ind	Coulee continue de bande.
US5402993A (en) *	1991-06-21	1995-04-04	Mannesmann Aktiengesellschaft	Immersion casting pipe for thin slabs
WO1995029025A1 (fr) *	1994-04-25	1995-11-02	Vesuvius Usa	Ajutage d'etree submerge
EP0700740A1 (fr)	1994-08-08	1996-03-13	DANIELI & C. OFFICINE MECCANICHE S.p.A.	Busette pour la coulée continue
WO1996011078A1 (fr) *	1994-10-07	1996-04-18	Mannesmann Ag	Buse de coulee immergee
EP0709153A1 (fr)	1994-09-30	1996-05-01	DANIELI & C. OFFICINE MECCANICHE S.p.A.	Busette d'immersion associée à une lingotière pour la coulée continue de brames
WO1998014292A1 (fr) *	1996-10-03	1998-04-09	Vesuvius Crucible Company	Busette de coulee a geometrie interne en forme de losange, et busette de coulee en plusieurs parties a angles de coulee efficaces variables, ainsi que procede pour l'ecoulement de metal liquide a travers cette busette
US5944261A (en) *	1994-04-25	1999-08-31	Vesuvius Crucible Company	Casting nozzle with multi-stage flow division
EP1002600A3 (fr) *	1998-11-20	2001-04-04	SMS Demag AG	Tube plongeur pour introduire un métal fondu, dans une coquille pour la coulée en continue de plaques fines
WO2003061880A1 (fr) *	2002-01-23	2003-07-31	Sms Demag Ag	Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee
WO2005021187A1 (fr) *	2003-08-27	2005-03-10	Chosun Refractories Co., Ltd.	Busette immergee pour la coulee continue
CN100377815C (zh) *	2003-08-27	2008-04-02	朝鲜耐火株式会社	用于连续铸造的浸入式水口
WO2013004571A1 (fr) *	2011-07-06	2013-01-10	Refractory Intellectual Property Gmbh & Co. Kg	Buse pour guider un métal en fusion
WO2015189742A1 (fr) *	2014-06-11	2015-12-17	Arvedi Steel Engineering S.P.A.	Buse de brame mince pour distribution de débits massiques élevés
CN112548086A (zh) *	2020-12-03	2021-03-26	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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4300505C2 (de) *	1993-01-06	1995-08-24	Mannesmann Ag	Tauchgießrohr für metallurgische Gefäße
DE4319966A1 (de) *	1993-06-17	1994-12-22	Didier Werke Ag	Eintauchausguß
DE10240491A1 (de) *	2002-09-03	2004-01-15	Refractory Intellectual Property Gmbh & Co.Kg	Feuerfestes keramisches Tauchrohr

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0254909A1 (fr) *	1986-07-12	1988-02-03	Thyssen Stahl Aktiengesellschaft	Busette de coulée réfractaire
WO1988006932A1 (fr) *	1987-03-20	1988-09-22	Mannesmann Ag	Bec de coulee par immersion pour recipients metallurgiques
EP0336158A2 (fr) *	1988-04-08	1989-10-11	Sms Schloemann-Siemag Aktiengesellschaft	Tube plongeur de coulée pour l'introduction de métal liquide dans une lingotière de coulée billettes métalliques
WO1989012519A1 (fr) *	1988-06-16	1989-12-28	Davy (Distington) Limited	Tube d'amenee refractaire

1990
- 1990-10-15 DE DE4032624A patent/DE4032624A1/de not_active Withdrawn
1991
- 1991-10-09 DE DE59102423T patent/DE59102423D1/de not_active Revoked
- 1991-10-09 AT AT91117179T patent/ATE109386T1/de active
- 1991-10-09 EP EP91117179A patent/EP0482423B1/fr not_active Revoked

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0254909A1 (fr) *	1986-07-12	1988-02-03	Thyssen Stahl Aktiengesellschaft	Busette de coulée réfractaire
WO1988006932A1 (fr) *	1987-03-20	1988-09-22	Mannesmann Ag	Bec de coulee par immersion pour recipients metallurgiques
EP0336158A2 (fr) *	1988-04-08	1989-10-11	Sms Schloemann-Siemag Aktiengesellschaft	Tube plongeur de coulée pour l'introduction de métal liquide dans une lingotière de coulée billettes métalliques
WO1989012519A1 (fr) *	1988-06-16	1989-12-28	Davy (Distington) Limited	Tube d'amenee refractaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 118 (M-806)(3466) 23. März 1989 & JP-A-63 295 056 ( NKK CORP ) 1. Dezember 1988 *

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2668966A1 (fr) *	1990-11-14	1992-05-15	Ishikawajima Harima Heavy Ind	Coulee continue de bande.
US5402993A (en) *	1991-06-21	1995-04-04	Mannesmann Aktiengesellschaft	Immersion casting pipe for thin slabs
US5785880A (en) *	1994-03-31	1998-07-28	Vesuvius Usa	Submerged entry nozzle
US6027051A (en) *	1994-03-31	2000-02-22	Vesuvius Crucible Company	Casting nozzle with diamond-back internal geometry and multi-part casting nozzle with varying effective discharge angles
WO1995029025A1 (fr) *	1994-04-25	1995-11-02	Vesuvius Usa	Ajutage d'etree submerge
US6464154B1 (en)	1994-04-25	2002-10-15	Versuvius Crucible Company	Casting nozzle with diamond-back internal geometry and multi-part casting nozzle with varying effective discharge angles and method for flowing liquid metal through same
CN1081501C (zh) *	1994-04-25	2002-03-27	维苏威坩埚公司	浸没式喷管
US5944261A (en) *	1994-04-25	1999-08-31	Vesuvius Crucible Company	Casting nozzle with multi-stage flow division
US5716538A (en) *	1994-08-08	1998-02-10	Danieli & C. Officine Meccaniche Spa	Discharge nozzle for continuous casting
EP0700740A1 (fr)	1994-08-08	1996-03-13	DANIELI & C. OFFICINE MECCANICHE S.p.A.	Busette pour la coulée continue
US5681498A (en) *	1994-09-30	1997-10-28	Danieli & C. Officine Meccaniche Spa	Discharge nozzle for a crystallizer for continuous casting of slabs
EP0709153A1 (fr)	1994-09-30	1996-05-01	DANIELI & C. OFFICINE MECCANICHE S.p.A.	Busette d'immersion associée à une lingotière pour la coulée continue de brames
AU693922B2 (en) *	1994-09-30	1998-07-09	Danieli & C. Officine Meccaniche S.P.A.	Discharge nozzle for a crystalliser for continuous casting of slabs
WO1996011078A1 (fr) *	1994-10-07	1996-04-18	Mannesmann Ag	Buse de coulee immergee
EP1327490A3 (fr) *	1996-10-03	2005-03-16	Vesuvius Crucible Company	Buse de coulée
WO1998014292A1 (fr) *	1996-10-03	1998-04-09	Vesuvius Crucible Company	Busette de coulee a geometrie interne en forme de losange, et busette de coulee en plusieurs parties a angles de coulee efficaces variables, ainsi que procede pour l'ecoulement de metal liquide a travers cette busette
EP1002600A3 (fr) *	1998-11-20	2001-04-04	SMS Demag AG	Tube plongeur pour introduire un métal fondu, dans une coquille pour la coulée en continue de plaques fines
US7077343B2 (en)	2002-01-23	2006-07-18	Sms Demag Ag	Submerged nozzle for a metallurgic container placed upstream from a casting device
WO2003061880A1 (fr) *	2002-01-23	2003-07-31	Sms Demag Ag	Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee
WO2005021187A1 (fr) *	2003-08-27	2005-03-10	Chosun Refractories Co., Ltd.	Busette immergee pour la coulee continue
CN100377815C (zh) *	2003-08-27	2008-04-02	朝鲜耐火株式会社	用于连续铸造的浸入式水口
WO2013004571A1 (fr) *	2011-07-06	2013-01-10	Refractory Intellectual Property Gmbh & Co. Kg	Buse pour guider un métal en fusion
US9333557B2 (en)	2011-07-06	2016-05-10	Refractory Intellectual Property Gmbh & Co. Kg	Nozzle for guiding a metal melt
EP3170585A1 (fr) *	2011-07-06	2017-05-24	Refractory Intellectual Property GmbH & Co. KG	Busette pour guider une masse fondue de métaux
WO2015189742A1 (fr) *	2014-06-11	2015-12-17	Arvedi Steel Engineering S.P.A.	Buse de brame mince pour distribution de débits massiques élevés
RU2679664C2 (ru) *	2014-06-11	2019-02-12	Арведи Стил Энджиниринг С.П.А.	Стакан для литья тонких слябов для распределения расплавленного металла с высоким расходом
US10569326B2 (en)	2014-06-11	2020-02-25	Arvedi Steel Engineering S.P.A.	Thin slab nozzle for distributing high mass flow rates
CN112548086A (zh) *	2020-12-03	2021-03-26	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
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

Also Published As

Publication number	Publication date
DE4032624A1 (de)	1992-04-16
ATE109386T1 (de)	1994-08-15
EP0482423B1 (fr)	1994-08-03
DE59102423D1 (de)	1994-09-08

Legal Events

Date	Code	Title	Description
1992-03-13	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1992-04-29	17P	Request for examination filed	Effective date: 19911104
1992-04-29	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-09-30	17Q	First examination report despatched	Effective date: 19920813
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1994-11-02	ITF	It: translation for a ep patent filed
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1994-12-30	EN	Fr: translation not filed
1995-01-16	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1995-02-08	GBV	Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]	Effective date: 19940803
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1995-07-05	26	Opposition filed	Opponent name: MANNESMANN AG Effective date: 19950503
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1996-01-04	PLBF	Reply of patent proprietor to notice(s) of opposition	Free format text: ORIGINAL CODE: EPIDOS OBSO
1996-07-27	RDAH	Patent revoked	Free format text: ORIGINAL CODE: EPIDOS REVO
1996-11-15	RDAG	Patent revoked	Free format text: ORIGINAL CODE: 0009271
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1997-01-02	27W	Patent revoked	Effective date: 19960811

Publication	Publication Date	Title
EP0482423B1 (fr)	1994-08-03	Tube plongeur de coulée pour l'introduction d'acier liquide dans une lingotière de coulée continue
DE69702984T2 (de)	2000-12-28	Tauchgiessrohr zum stranggiessen von dünnbrammen
EP0254909B1 (fr)	1989-03-15	Busette de coulée réfractaire
EP0403808B1 (fr)	1992-09-30	Tube plongeur pour l'introduction d'acier liquide dans une lingotière de coulée continue
DE69819931T2 (de)	2004-07-29	Tauchdüse
DE2527585A1 (de)	1976-01-15	Giessrohr mit einer bodenoeffnung zum kontinuierlichen stahlstranggiessen
DE2417512A1 (de)	1974-10-31	Verfahren zum einbringen von stahl in eine stranggiesskokille und vorrichtung dazu
EP0043987A1 (fr)	1982-01-20	Installation pour la coulée continue de métal dans un système fermé d'alimentation du moule
DE2442915A1 (de)	1975-03-13	Giessrohr mit geschlossenem boden und einander gegenueberliegenden seitlichen oeffnungen
DE3524372C2 (fr)	1988-07-28
EP0784523B1 (fr)	2000-07-12	Buse de coulee immergee
EP0904873B1 (fr)	2002-07-03	Moule en forme d'entonnoir pour coulée continue de metal
DE2548585B2 (de)	1976-11-04	Vorrichtung zum stranggiessen von stahl
EP0900609B1 (fr)	2002-07-10	Tube plongeur pour introduire un métal fondu, à partir d'un récipient de coulée ou un récipient intermédiaire, dans une coquille
EP0107069A1 (fr)	1984-05-02	Procédé pour la coulée continue de métaux, en particulier de l'acier et installations de coulée continue pour la mise en oeuvre du procédé
DE4006842A1 (de)	1991-09-12	Bandgiessanlage mit oszillierender durchlaufkokille
DE19753537A1 (de)	1999-06-10	Trichtergeometrie einer Kokille zum Stranggießen von Metall
EP1002600B1 (fr)	2004-01-21	Tube plongeur pour introduire un métal fondu, dans une coquille pour la coulée en continue de plaques fines
EP0934786A1 (fr)	1999-08-11	Procédé pour la coulée continue de metal et installation de coulée continue appropriée
AT220768B (de)	1962-04-10	Verfahren zum Stranggießen von Metallen, insbesondere von Stahl
DE19505390C2 (de)	2003-10-30	Tauchgießrohr
DE2412053C2 (de)	1976-05-13	Vorrichtung zum Zuführen und Verteilen von Stahlschmelzen
EP0151802B1 (fr)	1989-03-15	Dispositif pour l'introduction de métal liquide, en particulier d'acier liquide dans une coquille de coulée continue
DE4104690A1 (de)	1992-08-20	Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille
DE3929767A1 (de)	1991-03-14	Eingiesssystem fuer eine stahlbandgiessanlage