EP1795281B1 - Lingotière pour coulée continue - Google Patents

Lingotière pour coulée continue Download PDF

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Publication number
EP1795281B1
EP1795281B1 EP06023083A EP06023083A EP1795281B1 EP 1795281 B1 EP1795281 B1 EP 1795281B1 EP 06023083 A EP06023083 A EP 06023083A EP 06023083 A EP06023083 A EP 06023083A EP 1795281 B1 EP1795281 B1 EP 1795281B1
Authority
EP
European Patent Office
Prior art keywords
water
mould
mold
mold tube
tube
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.)
Not-in-force
Application number
EP06023083A
Other languages
German (de)
English (en)
Other versions
EP1795281A2 (fr
EP1795281A3 (fr
Inventor
Hans-Günter Dr. Wobker
Gerhard HUGENSCHÜTT
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.)
KME Special Products GmbH and Co KG
Original Assignee
KME Germany 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 KME Germany GmbH filed Critical KME Germany GmbH
Publication of EP1795281A2 publication Critical patent/EP1795281A2/fr
Publication of EP1795281A3 publication Critical patent/EP1795281A3/fr
Application granted granted Critical
Publication of EP1795281B1 publication Critical patent/EP1795281B1/fr
Not-in-force legal-status Critical Current
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
    • 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
    • B22D11/055—Cooling the moulds

Definitions

  • the invention relates to a mold for the continuous casting of metal with the features of the preamble of claim 1.
  • Tubular molds of copper or copper alloys for casting profiles of steel and other high melting point metals have been widely described in the art.
  • the mold tubes are cooled by cooling water, which flows through a water gap between the inside of the wall of a surrounding the mold tube water box and the outside of the mold tube.
  • Such a mold is used for example in the DE 197 16450 A1 disclosed.
  • the mold tube is oriented by way of adjusting screws in the water box so that adjusts the desired width of the water gap on the circumferential side of the mold tube.
  • the EP 1 398 099 A1 describes a liquid-cooled mold for continuously casting metals with mold plates made of copper or a copper alloy, wherein the mold plates are connected by means of fastening bolts in each case with an adapter plate or a water tank.
  • island-like protruding plateau base are provided on the mold plate, which are used at the same time as spacers for forming a coolant gap between the mold plate and the adapter plate or the water tank. Since the mold tube is subject to extreme thermal stresses, the exact alignment of the mold tube in the water box must be done very carefully so that it does not come due to different widths of the water gap at different flow velocities and thus to a different degree of heat dissipation. This would result in a different strand shell growth and different degrees of shrinkage. This in turn can lead to material tensions and cracks in the strand shell, which increases the risk of strand penetration.
  • the invention has the object to show a liquid-cooled mold for continuous casting of metal, in which the complex orientation of the mold is simplified within the water box.
  • the solution is seen in a mold with the features of claim 1.
  • Advantageous embodiments of the inventive concept are the subject of the dependent claims.
  • the mold according to the invention it is provided that at least one water baffle is arranged in the water gap.
  • the water guide plate leads to cross-sectional changes of the water gap, the cross-sectional changes resulting in a change in the flow velocity. Since the mold tube is mounted freely displaceable relative to the water tank at least in one direction, the working position of the mold tube can be adjusted by the flow conditions in the water gap itself. As a result, the mold tube is self-centering in the water box orientation. Self-centering is achieved by balancing the hydrodynamic forces in the water gap. If, for example, the width of the water gap on one side of the mold tube becomes greater, the flow velocity drops in this area. The hydrodynamic force acting on the outer wall of the mold tube also decreases in this area.
  • the water guide plate is arranged in the region of the cooling grooves.
  • the flow cross section in the area of the cooling grooves increases, which leads to a reduction in the flow velocity.
  • the water guide plate at least partially reduces the flow cross section in the region of the cooling grooves.
  • the water baffle has an end-side bypass section, which is designed such that cooling water is directed from the water gap targeted into the cooling grooves.
  • the bypass section is configured in a streamlined manner, so that as far as possible no turbulence forms in the coolant gap. Conveniently, the bypass section is configured arcuate.
  • FIG. 1 It can be seen that a portion of the outer sides 2 of the Kokillenrohrs is provided with a cooling groove 7 extending in the flow direction.
  • the cooling grooves 7 do not extend over the entire length of the mold tube 1, but only in the region of the G foolLitesolllage, since the largest heat flux densities occur and a correspondingly intensive cooling of the mold tube 1 is required.
  • the cooling grooves 7 lead to an enlargement of the cooling surface, so that the heat transfer is facilitated in the cooling water.
  • the water guide plates 3 are placed in the region of the cooling grooves 7, wherein the water guide plates 3 are somewhat shorter than the cooling grooves 7. That is, the cooling grooves 7 protrude below the water guide plate 3 both in their inflow and outflow regions.
  • FIG. 1 to recognize a guide groove 8 at the upper end 4 of the mold tube 1, via which the mold tube 1 is held in the vertical direction on the water tank, not shown.
  • the guide groove 8 is configured so that a displacement transverse to the flow direction of the cooling water is

Landscapes

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

Claims (5)

  1. Lingotière pour la coulée de métaux comportant un tube de lingotière (1) mis en place dans un caisson d'eau, un interstice d'eau étant formé entre la face interne de la paroi du caisson d'eau et la face externe (2) du tube de lingotière (1),
    caractérisée en ce que
    au moins une tôle de guidage de l'eau (3) est placée dans l'interstice d'eau, le tube de lingotière (1) étant monté de façon à pouvoir se déplacer librement latéralement, dans au moins une direction par rapport au caisson d'eau, de sorte que la position de travail du tube de lingotière (1) soit réglée par les conditions d'écoulement dans l'interstice d'eau.
  2. Lingotière conforme à la revendication 1,
    caractérisée en ce que
    au moins une zone partielle de la surface externe (2) du tube de lingotière (1) est équipée de rainures de refroidissement (7), la tôle de guidage de l'eau (3) étant située dans la zone des rainures de refroidissement (7).
  3. Lingotière conforme à l'une des revendications 1 ou 2,
    caractérisée en ce que
    la tôle de guidage de l'eau (3) comporte une zone de dérivation (10, 11) d'extrémité, qui est réalisée de sorte que l'eau de refroidissement sortant de l'interstice d'eau soit guidée de manière appropriée dans les rainures de refroidissement (7).
  4. Lingotière conforme à la revendication 3,
    caractérisée en ce que
    la zone de dérivation (10, 11) a une configuration cintrée.
  5. Coquille conforme à l'une des revendications 1 à 4,
    caractérisée en ce que
    des tôles de guidage de l'eau (3) sont disposées dans des zones situées à l'opposé du tube de lingotière (1).
EP06023083A 2005-12-12 2006-11-07 Lingotière pour coulée continue Not-in-force EP1795281B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005059712A DE102005059712A1 (de) 2005-12-12 2005-12-12 Kokille

Publications (3)

Publication Number Publication Date
EP1795281A2 EP1795281A2 (fr) 2007-06-13
EP1795281A3 EP1795281A3 (fr) 2008-07-09
EP1795281B1 true EP1795281B1 (fr) 2012-01-25

Family

ID=37909422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06023083A Not-in-force EP1795281B1 (fr) 2005-12-12 2006-11-07 Lingotière pour coulée continue

Country Status (11)

Country Link
US (1) US7658221B2 (fr)
EP (1) EP1795281B1 (fr)
JP (1) JP4722821B2 (fr)
KR (1) KR101225806B1 (fr)
CN (1) CN101007339B (fr)
AT (1) ATE542620T1 (fr)
BR (1) BRPI0605210A (fr)
CA (1) CA2570957C (fr)
DE (1) DE102005059712A1 (fr)
ES (1) ES2381388T3 (fr)
RU (1) RU2404014C2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9377254B2 (en) 2011-11-04 2016-06-28 Hatch Ltd. Cooling of chill molds using baffles
ITUD20110211A1 (it) 2011-12-23 2013-06-24 Danieli Off Mecc Cristallizzatore per colata continua
AT512433B1 (de) * 2012-01-30 2017-08-15 Primetals Technologies Austria GmbH Durchlaufkokille zum stranggiessen eines strangs mit knüppel- oder vorblockprofil
ITUD20130090A1 (it) * 2013-06-28 2014-12-29 Danieli Off Mecc Cristallizzatore per colata continua e procedimento per la sua realizzazione

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749152A (en) * 1971-08-13 1973-07-31 Olin Corp Direct chill casting mold manifold apparatus
DE3411359A1 (de) * 1984-03-28 1985-10-31 Mannesmann AG, 4000 Düsseldorf Stranggiesskokille fuer rund- bzw. knueppelquerschnitte, insbesondere fuer das vergiessen von fluessigem stahl
CH685432A5 (de) * 1992-06-11 1995-07-14 Concast Standard Ag Kokille zum Stranggiessen von Metall, insbesondere von Stahl in Knüppel- und Vorblockquerschnitte.
US5409053A (en) * 1991-02-06 1995-04-25 Concast Standard Ag Continuous casting mold
JPH0631403A (ja) * 1992-07-15 1994-02-08 Kobe Steel Ltd 連続鋳造用鋳型
DE19716450A1 (de) 1996-05-13 1998-05-28 Km Europa Metal Ag Flüssigkeitsgekühlte Kokille
KR100518314B1 (ko) * 2000-08-24 2005-10-04 주식회사 포스코 전자기 연속주조용 빌렛몰드의 냉각장치
PL203103B1 (pl) * 2001-05-22 2009-08-31 Vesuvius Crucible Co Płyta podstrumieniowa do rozdzielania i rozprowadzania przepływu ciekłego metalu
JP3930761B2 (ja) * 2002-04-17 2007-06-13 株式会社神戸製鋼所 チューブ方式連続鋳造用鋳型
DE10253735A1 (de) * 2002-04-27 2003-11-13 Sms Demag Ag Intensivierung des Wärmeüberganges bei Stranggießkokillen
DE10237472A1 (de) 2002-08-16 2004-02-26 Km Europa Metal Ag Flüssigkeitsgekühlte Kokille
DE10337205A1 (de) * 2003-08-13 2005-03-10 Km Europa Metal Ag Flüssigkeitsgekühlte Kokille

Also Published As

Publication number Publication date
BRPI0605210A (pt) 2007-10-09
RU2006143780A (ru) 2008-06-20
DE102005059712A1 (de) 2007-06-21
EP1795281A2 (fr) 2007-06-13
CN101007339A (zh) 2007-08-01
CA2570957A1 (fr) 2007-06-12
JP2007160402A (ja) 2007-06-28
CA2570957C (fr) 2011-08-23
US7658221B2 (en) 2010-02-09
EP1795281A3 (fr) 2008-07-09
US20070131380A1 (en) 2007-06-14
KR101225806B1 (ko) 2013-01-23
CN101007339B (zh) 2011-01-26
JP4722821B2 (ja) 2011-07-13
KR20070062411A (ko) 2007-06-15
ATE542620T1 (de) 2012-02-15
ES2381388T3 (es) 2012-05-25
RU2404014C2 (ru) 2010-11-20

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