WO2025201630A1 - Dispositif de régulation d'écoulement de moule pour moule de coulée continue - Google Patents

Dispositif de régulation d'écoulement de moule pour moule de coulée continue

Info

Publication number
WO2025201630A1
WO2025201630A1 PCT/EP2024/058106 EP2024058106W WO2025201630A1 WO 2025201630 A1 WO2025201630 A1 WO 2025201630A1 EP 2024058106 W EP2024058106 W EP 2024058106W WO 2025201630 A1 WO2025201630 A1 WO 2025201630A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
power
coil assembly
flow control
lower coil
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.)
Pending
Application number
PCT/EP2024/058106
Other languages
English (en)
Inventor
Hongliang Yang
Bengt Rydholm
Nils Peter JACOBSON
Niklas VALLMAN
Frank Lensing
Yasin Akmese
Wilfried Klos
Jörn HOFFMEISTER
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.)
ABB Schweiz AG
SMS Group GmbH
Original Assignee
ABB Schweiz AG
SMS Group 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 ABB Schweiz AG, SMS Group GmbH filed Critical ABB Schweiz AG
Priority to PCT/EP2024/058106 priority Critical patent/WO2025201630A1/fr
Publication of WO2025201630A1 publication Critical patent/WO2025201630A1/fr
Anticipated expiration legal-status Critical
Pending 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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/186—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means

Definitions

  • Continuous casting is a critical process in the metallurgy industry, enabling the efficient, high- volume production of metal sections (slabs).
  • molten metal is solidified into a slab for subsequent rolling in the finishing mills.
  • a key component in this process is the casting mold, which significantly influences the quality and efficiency of the metal casting.
  • Traditional casting molds come in various designs, such as parallel and funnel-type molds, each presenting unique challenges in controlling the flow of molten metal.
  • Fig. 2 is a perspective view of the upper coil assembly of the mold flow control device of Figs, la, lb;
  • Fig. 3 is a perspective view of the lower coil assembly of the mold flow control device of Figs, la, lb;
  • Figs. 4a, b are perspective views of a mold flow control devices according to embodiments.
  • Figs. 7a, b are flow patterns for high throughput casting (a) without operation of a mold flow control device, and (b) with a mold flow control device according to an embodiment of the invention operating in braking mode; and
  • Figs. 8a, b are flow patterns for high throughput casting (a) without operation of a mold flow control device, and (b) with a mold flow control device according to an embodiment of the invention operating in combined mode with inward stirring.
  • the mold 3 belongs to a continuous caster and is designed to cast slabs.
  • the mold 3 has lateral walls 7 parallel to each other and delimiting an inner mold space (coquille)
  • Fig. la only one of the lateral walls 7 is shown, and the inner space 2 is delimited from the other side by another lateral wall.
  • the inner mold space 2 is further delimited by a pair of narrow lateral walls, parallel to the image plane of Fig. la.
  • the mold wall 7 is formed by a solid metal body delimiting the inner mold space 2.
  • 3 can be any mold for continuous slab casting, and may have other typical elements of such a mold, such as refractory lining of the nozzle walls and a cooling system.
  • the mold 3 further has a nozzle (not shown) for directing the molten metal into the inner mold space 2.
  • the mold is configured to be fed by the nozzle with molten metal from a top side, and for general downward flow of the metal through the inner mold space 2 and for downward discharge of a strand of the metal.
  • the nozzle may be a submerged nozzle having its outlet into the inner mold space arranged below the level of the liquid metal meniscus (below a surface of the bath of molten metal during operation).
  • Fig. 2 shows a perspective view of the upper coil assembly 20.
  • the upper coil assembly has a main body housing a plurality of magnetic cores, on which respective coils are wound. These cores with coils are surrounded by a housing. On a distal side (far side in Fig. 2), protruding core portions 22 of the cores can be seen to protrude from the housing.
  • the cores extend along a coil axis, and the coils are wound about the coil axis.
  • the coil axis extends from the proximal end (towards the viewer in Fig. 2) to the distal end (away from the viewer and having the protruding core portions 22).
  • the upper coil assembly includes a plurality of the iron cores, their axes being parallel to each other, as can be seen by the protruding portions 22 of the cores.
  • the protruding core portions (distal ends) 22 are inserted like fingers into respective concave portions in the mold 3.
  • Fig. la The cross-section of Fig. la is taken through one of these protruding core portions 22. It can be seen how in Fig. la protruding core portions 22 are inserted like fingers into respective concave portions in the mold 3 (specifically into concave portions in the recess within the mold’s lateral wall 7. In contrast, Fig. lb shows a cross-section in a plane without core portion 22.
  • the mold’s lateral wall 7 has respective upper coil assembly contacting portions formed as recesses, and these upper coil assembly contacting portions preferably have concave cavities for insertion of the respective protruding core portions 22.
  • the coil axis of the upper coil assembly 20 extends perpendicular to a lateral wall surface of the mold 3, i.e., is directed towards the mold, the iron cores are located at a vertically overlapping position with a meniscus area of the mold; the iron cores have a proximal coil-winding portion on which a coil is wound, and a distal protruding portion, the protruding portion being directed towards the mold; the protruding portions protruding from a coil assembly housing of the upper coil assembly; the protruding portions being insertable into corresponding outer recesses of a lateral mold wall portion (7) of the mold.
  • Fig. 3 shows a perspective view of the lower coil assembly 40.
  • the lower coil assembly of Fig. 3 has a main body housing a plurality of magnetic cores, on which respective coils are wound. These cores with coils are surrounded by a housing.
  • distal ends 42 of the cores can be seen to protrude from the housing. These distal ends 42 are again inserted like fingers into respective concave portions in the mold 3.
  • the cross-section of Fig. la is taken through one of these protruding core portions 42. It can be seen how in Fig.
  • Fig. lb shows a cross-section in a plane without core portion 42.
  • the mold’s lateral wall 7 has respective lower coil assembly contacting portions formed as recesses, and these lower coil assembly contacting portions preferably have concave cavities for insertion of the respective protruding core portions 42.
  • the protruding core portions 42 of the lower coil assembly 40 are larger (in vertical height and/or cross-sectional area) and/or protrude more into the mold than the protruding portions 22 of the upper coil assembly (have larger horizontal protruding length). Thereby, the protruding core portions 22 and 42 are respectively optimized for coupling of AC and DC magnetic fields.
  • the mold wall 7 has, between the upper and lower coil assembly contacting portions, a protruding wall portion 7a that separates the upper and lower coil assembly contacting portions from each other.
  • the manipulator 10 may advantageously also allow vertical movement of the upper and lower coil receivers 12, 14. Further, the upper and lower coil receivers 12, 14 may be moved together or independently from each other, in the vertical and/or horizontal direction.
  • the horizontal movement allows fast and easy access to the mold, e.g., in case of a mold change or mold maintenance.
  • the vertical movement allows flexible positioning of the of the upper and/or lower coil receivers 12, 14, and thereby contributes to the adaptability to different mold types and flow conditions.
  • Fig. 4b is a view of the mold flow control device 1 of Fig. 4a with empty upper and lower coil receivers 12, 14 (i.e., without upper and lower coil assemblies 20, 40).
  • the upper and lower coil receivers 12, 14 can be individually and selectively equipped with respective upper and lower coil assemblies 20, 40 as needed, in order to accommodate for a large variety of mold types and casting conditions. Some possible configurations are shown schematically in Figs. 5a-d, discussed further below.
  • the manipulator is movable, as a single unit, between a mold- coupled position, in which any upper and lower coil assemblies 20, 40 mounted on the manipulator’s respective upper and lower coil receivers 12, 14 are magnetically coupled to one of the lateral walls 5, 7 of the mold 1, and a retracted position at a distance from the mold 1.
  • the mold flow control device comprises a guiding system for guiding the manipulator between the mold-coupled position and the retracted position. Thereby, the manipulator can be retracted to the stand-by position during mold change, and inserted to the mold frame during operation.
  • the upper coil receiver is located at a vertically overlapping position with a meniscus area of the mold.
  • Fig. 4a, 4b also contain a schematic view of an electric power supply system 60 of the mold flow control device 1.
  • the electric power supply system 60 is configured to provide electric power to the upper and lower coil assemblies 20, 40.
  • the electric power supply system 60 has an upper coil power supply 62, a lower coil power supply 64, and a power supply controller 66 configured for operating the upper and lower coil power supplies 62, 64.
  • the upper coil power supply 62 is configured for supplying any of AC power, DC power, and superimposed AC and DC power to the upper coil assembly 20.
  • the upper coil power supply 62 may have an AC power source, a DC power source, and a superimposing circuit for superimposing the outputs from the AC and DC power sources.
  • the output circuit may further comprise a switch circuitry for selectably outputting either the AC power from the AC power source or the DC power from the DC power source or the superimposed AC and DC power from the superimposing circuit to the upper coil assembly.
  • the upper coil power supply 62 may comprise a variable inverter with semiconductor switches operable in a DC mode for generating DC current, an AC mode for generating AC current, and a combined mode for outputting a current having a combination of DC and AC components.
  • the mentioning of just DC power herein means preferably that no AC power is superimposed on the DC power, and vice versa the mentioning of just AC power herein means preferably that no DC power is superimposed on the AC power.
  • the mold flow control device 1 may comprise a pair of (first and second) manipulators 10, each being as described above, and each being arranged on a respective (first and second) lateral side of the mold.
  • first and second electric power supply systems
  • the electric power supply system 60 may comprise an upper coil power supply 62 for supplying power to the first and second upper coil assemblies, and a lower coil power supply 64 for supplying power to the first and second lower coil assemblies.
  • the power supplied to the first upper / lower coil assembly is the same as the power supplied to the second upper / lower coil assembly, respectively, unless stated otherwise (such as for example in Fig. 6c discussed below).
  • the electric power supply system 60 further has a power supply controller 66 configured for operating the upper and lower coil power supplies 62, 64 independently of each other and in any combination with each other.
  • the power supply controller 66 has a plurality of selectable flow control operation modes, i.e., instructions for causing the upper and/or lower coil power supplies 62, 64 to supply power to the upper and/or lower coil assemblies 20, 40 in a prescribed manner for achieving a desired flow control.
  • the flow control operation modes can be selected by issuing a corresponding command to the power supply controller 66, and the power supply controller 66 and is configured for operating the upper and lower coil power supplies 62, 64 according to any selected one of these flow control operation modes.
  • the upper coil power supply 62 supplies superimposed AC and DC power to the upper coil assembly 20, and the lower coil power 64 supplies DC power to the lower coil assembly 40.
  • the supplying of superimposed AC and DC power to the upper coil assembly 20 may, in particular, induce simultaneous stirring and braking in the mold.
  • This combined mode is particularly effective if the upper coil assembly 20 is overlapping with a meniscus portion.
  • the supplying of superimposed AC and DC power to the upper coil assembly 20 may, in particular, include simultaneous stirring and braking in the meniscus portion.
  • the upper part coil is fed with a combination of DC and AC current.
  • the upper coil can thereby create several patterns of stirring force in the meniscus area such as inward stirring, outward stirring and rotational stirring.
  • the lower part coil is preferably fed with DC current.
  • the lower DC magnetic field may thereby be used to reduce the penetration flow and stabilize the flow pattern in the mold.
  • the upper and/or lower coil power supply 62, 64 supplies DC power to the upper and/or lower coil assembly 20, 40, respectively.
  • the supplying of DC power to the upper and/or lower coil assembly 20, 40 may, in particular, include braking in a meniscus portion and/or of a Submerged Entry Nozzle jet flow within the mold.
  • the upper coil power supply 62 supplies DC power to the upper coil assembly 20
  • the lower coil power supply 64 supplies DC power to the lower coil assembly 40.
  • the upper part coil and lower part coil are installed into the mold and fed with DC current.
  • only the lower part coil may be installed in the mold and fed with DC current.
  • the supplying of AC power may include stirring.
  • the AC power may be supplied for various types of stirring forces, such as inward stirring force, outward stirring force, or rotational stirring force, as discussed further below with respect to Figs. 6a-6c.
  • braking includes braking of SEN jet flow and/or braking in a meniscus portion within the mold.
  • stirring includes stirring at the meniscus portion.
  • stirring of meniscus, and braking of the SEN jet flow and/or braking in the meniscus portion are performed simultaneously.
  • the flow control operation modes may include yet further variations. For example, powering of one of the coils may be disabled if the respective upper / lower coil 20, 40 is not mounted (not connected to the respective upper / lower power supply 62, 64). For example, if the upper coil assembly is not mounted, the upper coil power supply 62 may be disabled in the braking mode, so that only the lower coil power supply 64 supplies DC power to the lower coil assembly 40. Also, the power supplied to a first one of the upper and/or lower coils 20, 40 may be the same as or the inverse of the supplied to a second one of these coils. Next, some further possible aspects relating to power supply controller and its operation are described.
  • the power supply controller 66 is configured for operating the upper and lower coil power supplies 62, 64 independently of each other and in any combination with each other.
  • the upper and lower coil assemblies 20, 40 may be subdivided in coil subunits (e.g., a respective left and right coil sub-unit for each of the upper and lower coil assemblies 20, 40), and powered by respective power supply sub-units of the upper and lower coil power supplies 62, 64.
  • the power supply controller 66 may be configured for operating these power supply sub-units independently of each other and in any combination with each other.
  • the power supply controller 66 is configured for operating the upper and/or lower coil power supplies 62, 64 (e.g., in stirring and/or combined mode) for creating stirring patterns of stirring force in a meniscus portion of the mold, the stirring pattern including at least one of inward stirring, outward stirring and rotational stirring.
  • the power supply controller 66 may be configured for operating the upper coil power supply 62 for supplying an inward-stirring AC power to the upper coil assembly 20 for inducing an inward-directed acceleration towards a meniscus.
  • the upper and lower coil receivers 12, 14 can be individually and selectively equipped with respective upper and lower coil assemblies 20, 40 as needed, in order to accommodate for a large variety of mold types and casting conditions.
  • the upper and lower coil receivers 12, 14 allow for individually adjustable vertical positions, and thus for variable vertical distance, between the upper and lower coil assemblies 20, 40.
  • these various possible coil configurations and positions can be further combined with various ones of the plurality of stirring modes available from the electric power supply system. Thereby, a large variety of stirring patterns and conditions can be created in order to accommodate a large number of mold types and casting conditions with one single kind of mold flow control device.
  • a lower coil assembly 40 is mounted.
  • the lower coil assembly is, for example, operated in DC (braking) mode. This operation may be appropriate for, e.g., a funnel -type mold with non-parallel and approaching side walls 7 as illustrated in Fig. 5a.
  • both lower and upper coil assemblies 40, 20 are mounted. Both the lower and upper coil assemblies 40, 20 may, for example, be operated in DC (braking) mode. This operation may be appropriate for, e.g., a parallel mold with parallel side walls 7 as illustrated in Fig. 5b.
  • both lower and upper coil assemblies 40, 20 are mounted.
  • the lower and upper coil assemblies 40, 20 may, for example, be operated in combined mode, with combined AC -DC current is applied to the upper coil assembly 20, and pure DC current (i.e., with AC power being at most 5% of total power) applied to the lower coil assembly 40.
  • This operation may again be appropriate for, e.g., a parallel mold with parallel side walls 7 as illustrated in Fig. 5b.
  • the AC power supply can be further varied in a number of ways and according to different stirring modes, as illustrated in Figs. 6a-6c.
  • the top portions of these Figures show a top view of the inner space (coquille) 2 of the mold, and the lower portions of these Figures show a side view of the inner space 2.
  • stirring forces are applied to the molten metal in the mold’s inner space 2 from first and second upper coil assemblies arranged at both lateral sides of the mold. These stirring forces are exemplified by arrows.
  • only one (e.g., first) of the upper coil assemblies is described, and unless mentioned otherwise, it is understood that the first and second upper coil assembly is powered in the same manner.
  • Fig. 6a shows an inward stirring mode.
  • the upper coil power supply supplies an inward-stirring AC power to the upper coil assembly 20 for inducing an inward-directed acceleration.
  • the AC power applied to the upper coil assembly exerts an inward-directed stirring force (e.g., towards the nozzle 4) onto the molten metal in the inner space 2.
  • Inward stirring may have the advantageous effect that the stirring force acts in a direction from the narrow face to the SEN on both sides of the broad faces to increase the meniscus speed.
  • Outward stirring may have the advantageous effect that the stirring force acts in a direction from the nozzle (SEN) towards the narrow face on both sides of the broad faces to decrease the meniscus speed.
  • Fig. 6c shows a rotational stirring mode.
  • the upper coil power supply supplies mutually oppositely directed stirring AC powers to the first and second upper coil assemblies for inducing accelerations in mutually opposite directions (e.g., both to the left or both to the right when viewed from the respective opposite sides of the mold).
  • the AC power applied to the first and second upper coil assemblies exerts a rotational stirring force (e.g., around the nozzle 4) onto the molten metal in the inner space 2.
  • Rotational stirring may have the advantageous effect that the stirring force acts in a direction from one narrow face towards another narrow face on one side of broad face and acts in one opposite direction on another side of broad face.
  • yet further stirring modes are possible, such as a stirring mode in which inward stirring by the first upper coil assembly and outward stirring by the second upper coil assembly are combined for producing two rotational vertices.
  • the upper coil assembly 20 is positioned in a meniscus portion of the mold, so that its induced field overlaps with the meniscus 6 of the molten metal in the mold’s inner space 2, as illustrated in Figs. 6a-6c.
  • the upper coil receiver is advantageously located at a vertically overlapping position with a meniscus area of the mold. Thereby, a particularly effective stirring becomes possible.
  • the upper coil assembly 20 is positioned in a nozzle portion of the mold, so that its induced field overlaps vertically with the nozzle 4, as also illustrated in Figs. 6a-6c.
  • the upper coil receiver is advantageously located at a vertically overlapping position with the nozzle 4 of the mold.
  • Analogous stirring modes as described above in conjunction with Fig. 6a-6c can also be applied by the lower coil power supply to the lower coil assembly.
  • the lower coil assembly is arranged further below (e.g., below the nozzle 4 in Figs. 6a-6c).
  • Figs 7a and 7b illustrate advantageous flow patterns enabled by the selectable flow control operation modes according to aspects of the present invention.
  • Fig. 7a shows a simulated flow pattern for high throughput casting without a flow control device.
  • Fig. 7b shows a simulated flow pattern for the same casting conditions as in Fig. 7a, but with flow control device operating in braking mode.
  • the dotted boxes illustrate the positions of the upper and lower coil assemblies 20, 40.
  • the upper coil assembly 20 is arranged to vertically overlap with a meniscus 6 of the molten metal.
  • the flow pattern of Fig. 7b produces a more even output at the bottom of the mold.
  • Fig. 8a shows a simulated flow pattern for low throughput casting without a flow control device.
  • Fig. 8b shows a simulated flow pattern for the same casting conditions as in Fig. 8a, but with flow control device operating in combined mode.
  • the dotted boxes illustrate the positions of the upper and lower coil assemblies 20, 40.
  • the upper coil assembly 20 is arranged to vertically overlap with a meniscus 6 of the molten metal.
  • the flow pattern of Fig. 8b produces additional stirring as well as a more even output at the bottom of the mold.
  • the upper coil is located at the meniscus area (with vertical overlap with the meniscus). Further, preferably, the upper boundary of upper coil is in the same level as meniscus (e.g., within up to 30% of the upper coil height). Further, the vertical center of the upper coil assembly is preferably above the upper edge of nozzle outlet. Thereby, a particular advantageous stirring pattern can be established, in particular in combination with inward stirring by the upper coil assembly.
  • the casting mold and the mold flow control device can be used in conjunction with a broad range of casting conditions for continuous casting.
  • Some particularly advantageous casting conditions are described by means of example in the following.
  • the casting mold is a thin-medium slab casting mold for slab thickness (at mold exit) of at least 50 mm, preferably at least 70 mm, and/or of at most 180 mm.
  • Thin and/or medium thick slab casting provides the possibility of a wide variety of steel grades, low CO2 emission, high quality, high throughput, high productivity, and high flexibility.
  • the casting mold is adapted for a throughput between 1.5 ton/min and 10 ton/min.
  • Other casting conditions may include a slab width (at mold exit) of 900- 2600 mm, casting speed of 1.5 m/min- 6 m/min.
  • two level of magnetic coils are provided to control the mold flow independently.
  • the lower part coils may be fed with DC current to generate a DC magnetic field to brake the jet flow from the nozzle.
  • Lower part coils of first and second lower coil assemblies in both sides of the broad face may form a closed magnetic loop.

Landscapes

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

Abstract

L'invention concerne un dispositif de régulation d'écoulement de moule (1) destiné à un moule de coulée (3) d'une machine de coulée continue comprenant un manipulateur (10) et un système d'alimentation électrique (60) pour des ensembles bobine supérieur et inférieur (20, 40). Le système d'alimentation électrique comprend une alimentation électrique de bobine supérieure (62) destinée à fournir l'une quelconque parmi une puissance CA, une puissance CC et une puissance CA et CC superposées à l'ensemble bobine supérieur (20) ; une alimentation électrique de bobine inférieure (64) destinée à fournir au moins une puissance CC à l'ensemble bobine inférieur (40) ; et un dispositif de commande d'alimentation électrique (66). Le dispositif de commande d'alimentation électrique (66) est conçu pour faire fonctionner les alimentations électriques de bobine supérieure et inférieure (62, 64) indépendamment l'une de l'autre et dans n'importe quelle combinaison les unes avec les autres, et permet une pluralité de modes de fonctionnement de régulation d'écoulement sélectionnables.
PCT/EP2024/058106 2024-03-26 2024-03-26 Dispositif de régulation d'écoulement de moule pour moule de coulée continue Pending WO2025201630A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2024/058106 WO2025201630A1 (fr) 2024-03-26 2024-03-26 Dispositif de régulation d'écoulement de moule pour moule de coulée continue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2024/058106 WO2025201630A1 (fr) 2024-03-26 2024-03-26 Dispositif de régulation d'écoulement de moule pour moule de coulée continue

Publications (1)

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WO2025201630A1 true WO2025201630A1 (fr) 2025-10-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7305271B2 (en) * 2001-09-27 2007-12-04 Abb Ab Device and a method for continuous casting
EP2692461A2 (fr) * 2012-08-02 2014-02-05 SMS Siemag AG Dispositif d'extraction moulée d'au moins un métal partiellement durci, notamment une lingotière de coulée continue, et procédé de fonctionnement d'un tel dispositif
WO2024008804A1 (fr) 2022-07-06 2024-01-11 Rotelec Sa Appareil et procédé de coulée continue de produits métalliques
WO2024046708A1 (fr) 2022-09-02 2024-03-07 Sms Group Gmbh Appareil de coulée continue et procédé de coulée continue d'un toron métallique à l'aide d'un moule de coulée continue

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7305271B2 (en) * 2001-09-27 2007-12-04 Abb Ab Device and a method for continuous casting
EP2692461A2 (fr) * 2012-08-02 2014-02-05 SMS Siemag AG Dispositif d'extraction moulée d'au moins un métal partiellement durci, notamment une lingotière de coulée continue, et procédé de fonctionnement d'un tel dispositif
WO2024008804A1 (fr) 2022-07-06 2024-01-11 Rotelec Sa Appareil et procédé de coulée continue de produits métalliques
WO2024046708A1 (fr) 2022-09-02 2024-03-07 Sms Group Gmbh Appareil de coulée continue et procédé de coulée continue d'un toron métallique à l'aide d'un moule de coulée continue

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