WO2013010663A1 - Lingotière pour la coulée continue de produits métalliques allongés - Google Patents

Lingotière pour la coulée continue de produits métalliques allongés Download PDF

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Publication number
WO2013010663A1
WO2013010663A1 PCT/EP2012/003006 EP2012003006W WO2013010663A1 WO 2013010663 A1 WO2013010663 A1 WO 2013010663A1 EP 2012003006 W EP2012003006 W EP 2012003006W WO 2013010663 A1 WO2013010663 A1 WO 2013010663A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
sheet metal
metal elements
flange
sections
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.)
Ceased
Application number
PCT/EP2012/003006
Other languages
German (de)
English (en)
Inventor
Franz Kawa
Philip Eichenberger
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 Concast AG
Original Assignee
SMS Concast 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 SMS Concast AG filed Critical SMS Concast AG
Publication of WO2013010663A1 publication Critical patent/WO2013010663A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B22D11/009—Continuous casting of metals, i.e. casting in indefinite lengths of work of special cross-section, e.g. I-beams, U-profiles
    • 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
    • B22D11/0406—Moulds with special profile

Definitions

  • the invention relates to a mold for the continuous casting of long metal products with a round or polygonal cross section, which is at least partially made of a one-piece tube or of several pieces.
  • CONFIRMATION COPY are made either from a one-piece, round or polygonal tube or from assembled panel elements.
  • a one-piece mold tube is provided, which is surrounded in each case by a support casing or support plates. Between the mold tube and the support casing or the support plates limited cooling channels for guiding cooling water are arranged by support profiles and / or connection profiles.
  • the production of such with a high life and best cooling effect distinctive Kokillenrohres is associated with relatively much and accurate processing and the delivery time is long, since the one-piece base pipe must first be prepared by conventional means.
  • the present invention was the object of the present invention to provide a mold according to the type described above, by means of which the production of the same simplified and, accordingly, the entire manufacturing process in a shorter period of time is possible.
  • cooling channels in the mold in different, cooling technically optimal versions with respect to cooling channel cross-sections and arrangements with respect to the inner surface of the Kokillenhohlraumes can be provided without this being associated with a significant increase in manufacturing costs. Furthermore, it should be possible to place the water inlet and outlet not only separately at both pipe ends but together at one of the pipe ends.
  • a plurality of stacked sheet metal elements are provided as joined sections either over the entire or at least over a certain height of the mold.
  • the remaining part of the mold is formed from a one-piece pipe section, one or more flanges or other assembled sections, wherein the sections preferably by stirring friction welding and / or electron beam welding, soldering, electrodeposition and / or similar methods are inseparable London pasgbar .
  • the sections mentioned may have cutouts, channels or holes for cooling water flow.
  • the aforementioned plate-shaped sections can preferably be produced on a numerically controlled water-jet cutting system.
  • the mold may be formed from joined pieces extending in its longitudinal direction, preferably in the form of cut-to-length and, if necessary, bent extruded solid or hollow profiles.
  • These sections can also be attached to the outside of a one-piece round or polygonal mold and jointly designed such that between these cooling channels for the guidance of water cooling are formed, the sections again by stirring friction welding and / or by a soldering and / or similar are joined together.
  • the closed cooling channels can be integrated in a simple manner in the mold and they can still be formed thin-walled.
  • the cooling channels can, depending on the mold area in cooling technically optimal distance to the inner mold surface, which favors the solidification conditions and extends the life of the mold.
  • the individual sections can, if required, be made of different types of copper or else of other materials, such as stainless steel, in order to reduce the production costs or to improve the service properties.
  • the individual height regions of the mold can be produced in accordance with the thermal load during the casting process from layers with different levels of thermal conductivity in order to achieve better thermal stability of the mold body.
  • the individual stacking plates can also be made of different materials, e.g. Copper materials in the heat-conducting inner area and the outer edges of stainless austenitic steel to improve the magnetic permeability.
  • the stacking plates can be provided with a thin electrically insulating layer.
  • These sections can be assembled very precisely and very efficiently by means of a suitable joining technique, preferably stirring-friction welding and / or by a soldering method and / or the like.
  • the mold cavity can be machined, preferably processed by longitudinal planing or milling.
  • suitable coatings can be applied to the inner surface, such as hard chrome and / or nickel.
  • coatings for example copper or nickel, which are preferably applied galvanically before mechanical processing. Another advantage is that it is possible to resort to a stock material produced by the copper manufacturer in stock in the form of rolled plates or extruded hollow or pre-profiles.
  • FIG. 1 is a perspective schematic representation of a mold according to the invention with stacked sheet-metal elements
  • Fig. 2 is a plan view of a single sheet metal element for a mold
  • FIG. 3 shows a perspective schematic view of an alternative mold according to the invention with elongate sections of extruded hollow profiles and end flanges made of plate material arranged lengthways next to each other;
  • Fig. 4 shows a cross section of a thin-walled, one-piece smooth
  • Mold with at its outer periphery attached profiled sheet metal elements or mold profiles for the formation of cooling channels, wherein the part shown on the left of the mold has larger corner radii or other variants of sheet metal elements as shown on the right;
  • 5 shows a cross section of a thin-walled, one-part mold, which are shown in four different variants each one quadrant of the cross-section illustrative;
  • 6 is a longitudinal section through an inventive mold with stacked sheet metal elements, in which in the left half above and below each a flange, while in the right half only above a flange is illustrated;
  • Fig. 8 is a section of another variant of a mold partially shown with an upper flange.
  • Fig. 1 shows a mold 10 for a mold assembly, which has in conventional manner a mold cavity 15 having an approximately square cross-section and is provided for the production of billets.
  • the mold 10 could also be designed differently in cross-section, for example as a mold tube for a billet with a rectangular, octagonal, trapezoidal, double-T-shaped or round shaped hollow cross-section.
  • This mold 10 is also bent in the direction of the plane formed by the strand course in a known manner, which is therefore not explained in detail. At least the outer circumference could also be straight in the longitudinal direction.
  • this mold 10 consists of over their entire height stacked sheet metal elements 1 1, 12, 13 as joined sections, the respective adjacent sheet metal elements are joined together by a joining technique, very advantageous by stirring friction welding, and / or by a soldering and / or the like ,
  • the sheet metal elements are welded in each case over their entire, with the adjacent sheet metal element in contact annular surface.
  • the other sheet metal elements 1 1, 12 are each shaped, for example, punched or cut by means of water jet that they have transverse to their longitudinal openings 16 which form cooling channels 17 in the assembled state of the mold for the cooling thereof.
  • the arrangement and the number of openings 16 are optimally adapted to the casting parameters, wherein such openings 16 are advantageously arranged distributed on all four sides of the mold.
  • Inlets and outlets 18 of the cooling channels are provided, which are formed by corresponding recesses in the sheet metal elements 12.
  • These stacked sheet metal elements 1 1, 12, 13 have an approximately identical shape, wherein at least the two located at the top and bottom end sheet metal elements 13 form a conclusion and therefore contain no openings 16.
  • These inner surfaces can be coated galvanically or by other methods before and / or after the machining.
  • FIG. 2 illustrates a variant of a sheet-metal element 21 as a section of a mold which, in contrast to that of FIG. 1, has rounded corners.
  • the sheet metal elements have openings 16 on the entire circumference, which form water-bearing channels after stacking of the elements.
  • end flanges made from plate material or from a plurality of stacked sheet-metal elements 31 are provided. Between these flanges, a plurality of longitudinally extending portions 32, 33, 34, 36 are preferably used and extruded from extruded hollow sections.
  • the corners of the mold forming sections 32, 34 and four elongated sections 33, 36 are provided, which are each arranged in the central region of the mold.
  • cooling ducts 37 are contained in these sections 32, 33, 34, 36, for the purpose of which these sections are designed in each case as square-shaped, shaped profiles.
  • inlets and outlets 38 are provided for the cooling liquid at the top and bottom.
  • a mold 40 according to FIG. 4 larger corner radii or other variants of sheet metal elements are shown in the part shown on the left than shown on the right.
  • This mold 40 is characterized in that it is composed of a one-piece, thin-walled inner tube 41 and from this surrounding sections. These sections are shaped as wave-shaped sheet-metal elements 42 and joined together with their webs 43 extending along the mold 40 by stirring friction welding or the like with the mold, whereby cooling channels 44 are formed on the cross-sectional circumference, each with an inlet and outlet not shown in detail are provided.
  • a metal jacket 46 surrounding the mold 40 in the half shown on the left is indicated, which in turn is attached to the sheet metal elements 42 via friction friction welding.
  • additional cooling channels are formed and the rigidity of the thin-walled mold is thereby increased. Since the requirements for the cooling of the corner areas are different depending on the size of the corner rounding.
  • cooling channels 65 are provided, which are closed by illustrated in different variants flat or curved sheet metal elements 66, 67 or hollow profile sections 68 and so supply or return channels 65 '65 "form.
  • FIGS. 6 and 7 show a further embodiment of a mold 50 according to the invention, which, similar to the one according to FIG. 1, is assembled from sheet-metal elements 51 stacked on top of one another and provided with openings 56 for the cooling channels.
  • this mold 50 is in the left half at its upper and lower end depending a flange 53, 54 arranged as a conclusion, which radial openings 53 ', 54' are assigned, with which the cooling liquid, for example, at the lower flange 54 and at upper flange 53 is again led away.
  • the mold 50 can be easily and quickly connected to the cooling water inlet and outlet.
  • connection openings of the flanges can also be arranged vertically or horizontally and the connection can be made in the case corresponding to a horizontal or vertical Wasserleitplatte.
  • the flanges 53, 54 are preferably produced in several parts and, in turn, joined together in the context of the invention, in particular by stirring friction welding, with the sheet metal elements 51.
  • a flange 58 is shown at the top, in which the cooling-water inlet or outlet 58 ', 58 "are assigned.
  • the envisaged cooling channel 59 is deflected upward again on the underside of the mold then leads to the sequence 58 ".
  • The- This flange 58 could for example also be arranged on the underside or in the middle of the mold.
  • FIG. 8 shows a further variant of a partially illustrated mold 80 with an upper flange 81, which according to the invention is attached to the pipe.
  • cooling channels 83 and inlets or outlets 84 are again provided.
  • the mold 80 may be made in one or more parts, as provided for example in Fig. 3.
  • the invention is sufficiently demonstrated with the embodiments explained above.
  • the layered sheet-metal elements could be provided with a thicker wall thickness and the openings serving as cooling channels could be guided horizontally in these partially or all around.
  • the mold according to FIG. 4 or 5 could also be joined together, instead of in one piece, of sheet metal elements stacked on top of one another and / or of elongate sections.
  • Adhesive bonding or adhesive bonding could, in principle, also be used as the joining technique, for example with a high-tempering dimensionally stable epoxy or silicone adhesive, a two-component adhesive, wherein the thermal conductivity of the adhesive may be increased with metal additives.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L'invention concerne une lingotière pour la coulée continue de produits métalliques allongés, pourvue d'une section transversale ronde ou polygonale. La lingotière est fabriquée à partir d'une pluralité d'éléments en tôle (11, 12, 13) empilés les uns sur les autres sur toute la hauteur. Les éléments en tôle (11, 12, 13) en tant que pièces individuelles sont assemblés étroitement, sans espace, au moyen d'une technique d'assemblage, de préférence par soudage par friction-malaxage et/ou par un procédé de soudage. Cette conception de la lingotière permet d'intégrer aisément les canaux de refroidissement fermés à la lingotière tout en réalisant la lingotière avec des parois minces.
PCT/EP2012/003006 2011-07-19 2012-07-17 Lingotière pour la coulée continue de produits métalliques allongés Ceased WO2013010663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20110005905 EP2548675A1 (fr) 2011-07-19 2011-07-19 Lingotière pour la coulée en continu des produits métalliques longs
EP11005905.2 2011-07-19

Publications (1)

Publication Number Publication Date
WO2013010663A1 true WO2013010663A1 (fr) 2013-01-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/003006 Ceased WO2013010663A1 (fr) 2011-07-19 2012-07-17 Lingotière pour la coulée continue de produits métalliques allongés

Country Status (2)

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EP (1) EP2548675A1 (fr)
WO (1) WO2013010663A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109604566A (zh) * 2019-01-18 2019-04-12 潍坊亚东冶金设备有限公司 电渣熔铸叶片用多层分段组合式分体异型结晶器
EP3284550B1 (fr) 2016-08-18 2019-12-04 SMS Concast AG Procede de fabrication d'une lingotiere pour la coulee de produits metalliques et lingotiere

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1026975B1 (fr) * 2019-06-21 2020-08-12 Ebds Eng Sprl Lingotière de coulée continue de métaux, système de mesure de la température et système et procédé de détection de percée dans une installation de coulée continue de métaux
CN111570745A (zh) * 2020-06-08 2020-08-25 中冶京诚工程技术有限公司 直轧连铸机及其连铸生产线

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119531A (en) * 1965-06-23 1968-07-10 Valyi Emery I Improvements relating to heat exchange apparatus
DE2243918A1 (de) * 1972-09-07 1974-03-14 Krupp Gmbh Selbstschmierende durchlaufkokille zum stranggiessen
DE2355249A1 (de) * 1972-11-10 1974-05-16 British Steel Corp Blockgussform, insbesondere zum blockguss beim elektroschlackefeinen
JPS5626661A (en) * 1979-08-07 1981-03-14 Nippon Steel Corp Molten metal cooling mold of less electromagnetic force transmission loss
EP0071822A1 (fr) * 1981-08-03 1983-02-16 Alumax Inc. Moule pour la coulée des métaux ou alliages et procédé pour mélanger un métal ou alliage
EP2014393A1 (fr) 2007-06-04 2009-01-14 Concast Ag Lingotière destinée à la coulée de blooms, de brames ou de billettes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845942B1 (fr) * 2002-10-18 2005-02-11 Smurfit Socar Sa Procede d'appreciation de la conformite a son modele d'une reproduction effectuee par impression
EP1468760B1 (fr) * 2003-04-16 2005-05-25 Concast Ag Lingotière tubalaire pour la coulée continue

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119531A (en) * 1965-06-23 1968-07-10 Valyi Emery I Improvements relating to heat exchange apparatus
DE2243918A1 (de) * 1972-09-07 1974-03-14 Krupp Gmbh Selbstschmierende durchlaufkokille zum stranggiessen
DE2355249A1 (de) * 1972-11-10 1974-05-16 British Steel Corp Blockgussform, insbesondere zum blockguss beim elektroschlackefeinen
JPS5626661A (en) * 1979-08-07 1981-03-14 Nippon Steel Corp Molten metal cooling mold of less electromagnetic force transmission loss
EP0071822A1 (fr) * 1981-08-03 1983-02-16 Alumax Inc. Moule pour la coulée des métaux ou alliages et procédé pour mélanger un métal ou alliage
EP2014393A1 (fr) 2007-06-04 2009-01-14 Concast Ag Lingotière destinée à la coulée de blooms, de brames ou de billettes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3284550B1 (fr) 2016-08-18 2019-12-04 SMS Concast AG Procede de fabrication d'une lingotiere pour la coulee de produits metalliques et lingotiere
EP3284550B2 (fr) † 2016-08-18 2023-04-26 SMS Concast AG Procede de fabrication d'une lingotiere pour la coulee de produits metalliques et lingotiere
CN109604566A (zh) * 2019-01-18 2019-04-12 潍坊亚东冶金设备有限公司 电渣熔铸叶片用多层分段组合式分体异型结晶器

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Publication number Publication date
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