EP0552501B1 - Tingotière pour la coulée continue de bande en acier - Google Patents

Tingotière pour la coulée continue de bande en acier Download PDF

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Publication number
EP0552501B1
EP0552501B1 EP92122119A EP92122119A EP0552501B1 EP 0552501 B1 EP0552501 B1 EP 0552501B1 EP 92122119 A EP92122119 A EP 92122119A EP 92122119 A EP92122119 A EP 92122119A EP 0552501 B1 EP0552501 B1 EP 0552501B1
Authority
EP
European Patent Office
Prior art keywords
side walls
region
radii
arcs
steel strip
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.)
Expired - Lifetime
Application number
EP92122119A
Other languages
German (de)
English (en)
Other versions
EP0552501A3 (fr
EP0552501A2 (fr
Inventor
Hans Streubel
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.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6449855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0552501(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0552501A2 publication Critical patent/EP0552501A2/fr
Publication of EP0552501A3 publication Critical patent/EP0552501A3/xx
Application granted granted Critical
Publication of EP0552501B1 publication Critical patent/EP0552501B1/fr
Anticipated expiration legal-status Critical
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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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/0408—Moulds for casting thin slabs

Definitions

  • the invention relates to a mold for the continuous casting of steel strip or thin slabs with cooled broad side walls and narrow side walls, the wide side walls forming a funnel-shaped pouring area which is reduced to the narrow side walls and in the casting direction to the format of the cast strip and on each broad side wall the curvature of the pouring area by lateral Circular arcs and central arcs connected to them at tangent points are determined, the radii of which gradually increase with their distance from the upper edge of the mold.
  • the curvature of the broad side walls forming the pouring area is designed in the form of an arc of a circle such that both the radii of the lateral arcs and the radii of the central arcs gradually increase in the direction of the strand.
  • the strand shell that forms immediately below the casting level is continuously deformed up to the end of the pouring area due to the change in radius of the arcs. The deformation increases the friction between the strand shell and the broad side wall and thus the tensile stress on the strand shell.
  • EP-B1 02 68 910 discloses a mold with an enlarged pouring area, a first section of the pouring area being used to reduce the strain on the strand shell the broad side wall is parallel-walled, resulting in opposite deformations.
  • the object of the invention is to provide a mold of the type specified, the curvature of the broad side walls determined by an arc being designed in such a way that friction and wear on the broad side walls are reduced and the tensile and bending stress on the strand shell is reduced in such a way that the operational reliability of the casting process is increased and a flawless steel strip is produced.
  • the invention is based on the idea of creating deformation-free arch areas on the broad side walls.
  • the radii of the lateral arcs from the upper mold edge are constant in a portion of the pouring area which extends at least 100 mm down from the upper mold edge.
  • a further enlargement of the deformation-free arch areas is achieved in that the radii of the lateral arcs are the same over the entire height of the pouring area.
  • a steel strip casting mold consists of two broad side walls 1, 2 and two narrow side walls 3, 4 arranged laterally between the wide side walls 1, 2.
  • the wide side walls 1, 2 each form a pouring area 5 through an upper bulge, which leads to the narrow side walls 3 , 4 and in the casting direction to the thickness of the cast steel strip 6 is reduced.
  • the shape of the pouring area 5 is determined by lateral arches and middle arches, the radii of curvature R s and R m of which increase uniformly in the casting direction.
  • the tangent or turning points T of successive arcs R s and R m form straight lines 7. Due to the successive enlargement of the radii R s and R m , the strand shell of the cast steel strip 6 becomes on the entire surface of the pouring area 5 deformed.
  • FIG 3 shows a side of a pouring area 8 shaped according to the invention with lateral and inner arches in planes I, II, III.
  • the radii R mI , R mII , R mIII of the middle arcs are evenly larger from top to bottom.
  • the radii R sI and R sII of the lateral arches remain the same up to level II and increase evenly from level II to the end of the pouring area 8. This results in a lateral displacement of the tangent or turning points T I , T II up to level II .
  • Fig. 5 shows one side of an alternatively shaped pouring area 11 with side and middle arches in the levels IV, V, VI.
  • the radii R mIV , R mV , R mVI of the middle arches are evenly enlarged from top to bottom.
  • the radii R sIV , R sV , R sVI of the side arches are the same across all levels IV, V, VI. This results in a lateral displacement of the tangent or turning points T IV , T V , T VI over the entire height of the pouring area 11.
  • lines 12 are shown as geometric locations of the tangent points T IV , T V T VI .
  • the strand shell of the cast steel strip 6 is advantageously not deformed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Claims (2)

  1. Lingotière pour la coulée continue de bandes d'acier ou brames minces, comportant des parois latérales refroidies aux grands côtés et aux petits côtés, les parois latérales aux grands côtés formant une zone de chargement en forme d'entonnoir qui se rétécit, vers les parois latérales des petits côtés et dans le sens de la coulée, au format de la bande coulée, et la courbure de la zone de chargement étant déterminée par des arcs de cercle latéraux, à chaque grand côté, et par des arcs de cercle médians reliés à ceux-ci aux points de tangente ou d'inversion, les rayons de ces arcs de cercle devenant de plus en plus grands en suivants leur distance par rapport à la surface de la lingotière, caractérisée en ce que les rayons (RSI-II) des arcs de cercle latéraux de la surface de la lingotière sont constants sur une distance d'au moins 100 mm (10), allant de la surface de la lingotière vers le bas, de la zone d'alimentation.
  2. Lingotière selon la revendication 1,
    caractérisée en ce que les rayons (RS IV-VI) des arcs de cercle latéraux sont constants sur toute la hauteur de la zone de chargement (11).
EP92122119A 1992-01-20 1992-12-30 Tingotière pour la coulée continue de bande en acier Expired - Lifetime EP0552501B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4201363A DE4201363C2 (de) 1992-01-20 1992-01-20 Kokille zum Stranggießen von Stahlband
DE4201363 1992-01-20

Publications (3)

Publication Number Publication Date
EP0552501A2 EP0552501A2 (fr) 1993-07-28
EP0552501A3 EP0552501A3 (fr) 1995-02-22
EP0552501B1 true EP0552501B1 (fr) 1997-05-14

Family

ID=6449855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92122119A Expired - Lifetime EP0552501B1 (fr) 1992-01-20 1992-12-30 Tingotière pour la coulée continue de bande en acier

Country Status (7)

Country Link
US (1) US5311922A (fr)
EP (1) EP0552501B1 (fr)
JP (1) JP3140592B2 (fr)
AT (1) ATE152938T1 (fr)
CA (1) CA2087314A1 (fr)
DE (2) DE4201363C2 (fr)
ES (1) ES2101793T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0659503A2 (fr) * 1993-12-27 1995-06-28 Hitachi, Ltd. Dispositif et système de coulée continue
EP0920936A2 (fr) * 1997-12-03 1999-06-09 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue
EP1002599A1 (fr) * 1998-11-21 2000-05-24 SMS Demag AG Lingotière pour la coulée continue de métal
US6186220B1 (en) 1997-09-27 2001-02-13 Sms Schloemann-Siemag Aktiengesellschaft Funnel geometry of a mold for the continuous casting of metal
US6390177B1 (en) 1997-08-04 2002-05-21 Giovanni Arvedi Contact mould for the continuous casting of steel slabs
WO2002064286A2 (fr) * 2001-02-09 2002-08-22 Egon Evertz K.G. (Gmbh & Co) Coquille pour coulee continue

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1262073B (it) * 1993-02-16 1996-06-19 Danieli Off Mecc Lingottiera per colata continua di bramme sottili
DE4343124C2 (de) * 1993-12-17 1996-05-23 Schloemann Siemag Ag Kokille zum Stranggießen von Stahlband
DE4403050C1 (de) * 1994-01-28 1995-09-28 Mannesmann Ag Stranggießkokille zum Führen von Strängen
DE4424600A1 (de) * 1994-07-13 1996-01-18 Eko Stahl Gmbh Kokille zum Stranggießen von Dünnbrammen
ATE183679T1 (de) * 1994-07-25 1999-09-15 Concast Standard Ag Straggiesskokille für ein doppel-t-vorprofil
DE19728957A1 (de) * 1997-06-30 1999-01-07 Mannesmann Ag Verfahren und Vorrichtung zum Erzeugen von Dünnbrammen
DE19850575A1 (de) * 1998-11-02 2000-05-11 Schloemann Siemag Ag Breitenverstellbare Stranggießkokille mit gekrümmten Trennflächen
DE10009073A1 (de) * 1999-11-10 2001-05-17 Sms Demag Ag Kokille zum Stranggießen von Metall mit einem gekühlte Breitseitenwände und Schmalseitenwände aufweisenden, trichterförmig verjüngten Eingießbereich
AT410766B (de) * 2001-09-28 2003-07-25 Voest Alpine Ind Anlagen Durchlaufkokille
CN102328037A (zh) * 2011-09-21 2012-01-25 首钢总公司 一种自带锥度连铸板坯倒角结晶器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400220A1 (de) * 1984-01-05 1985-07-18 SMS Schloemann-Siemag AG, 4000 Düsseldorf Kokille zum stranggiessen von stahlband
DE3640525C2 (de) * 1986-11-27 1996-02-15 Schloemann Siemag Ag Kokille zum Stranggießen von Stahlband
DE3712314A1 (de) * 1987-04-11 1988-10-20 Robot Foto Electr Kg Verkehrsueberwachungsvorrichtung
IT1218613B (it) * 1987-04-27 1990-04-19 Danieli Off Mecc Procedimento per bramme sottili e lingottiera adottante tale procedimento
DE3723857A1 (de) * 1987-07-18 1989-01-26 Schloemann Siemag Ag Kokille zum vertikalen stranggiessen von stahlband
GB8814331D0 (en) * 1988-06-16 1988-07-20 Davy Distington Ltd Continuous casting of steel
DE3907351C2 (de) * 1989-03-08 1998-09-24 Schloemann Siemag Ag Eingießtrichter einer Kokille

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0659503A2 (fr) * 1993-12-27 1995-06-28 Hitachi, Ltd. Dispositif et système de coulée continue
US6390177B1 (en) 1997-08-04 2002-05-21 Giovanni Arvedi Contact mould for the continuous casting of steel slabs
US6186220B1 (en) 1997-09-27 2001-02-13 Sms Schloemann-Siemag Aktiengesellschaft Funnel geometry of a mold for the continuous casting of metal
EP0920936A2 (fr) * 1997-12-03 1999-06-09 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue
EP0920936A3 (fr) * 1997-12-03 2000-04-26 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue
EP1002599A1 (fr) * 1998-11-21 2000-05-24 SMS Demag AG Lingotière pour la coulée continue de métal
WO2002064286A2 (fr) * 2001-02-09 2002-08-22 Egon Evertz K.G. (Gmbh & Co) Coquille pour coulee continue

Also Published As

Publication number Publication date
JPH07132347A (ja) 1995-05-23
DE59208495D1 (de) 1997-06-19
CA2087314A1 (fr) 1993-07-21
US5311922A (en) 1994-05-17
ES2101793T3 (es) 1997-07-16
EP0552501A3 (fr) 1995-02-22
EP0552501A2 (fr) 1993-07-28
JP3140592B2 (ja) 2001-03-05
DE4201363A1 (de) 1993-07-22
DE4201363C2 (de) 2000-08-10
ATE152938T1 (de) 1997-05-15

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