EP2643109B2 - Dispositif et procédé permettant le refroidissement secondaire régulé d'une installation de coulée continue - Google Patents

Dispositif et procédé permettant le refroidissement secondaire régulé d'une installation de coulée continue Download PDF

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Publication number
EP2643109B2
EP2643109B2 EP11760498.3A EP11760498A EP2643109B2 EP 2643109 B2 EP2643109 B2 EP 2643109B2 EP 11760498 A EP11760498 A EP 11760498A EP 2643109 B2 EP2643109 B2 EP 2643109B2
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Prior art keywords
pressure
cooling
cooling medium
control
segment
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German (de)
English (en)
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EP2643109A1 (fr
EP2643109B1 (fr
Inventor
Andreas Naujock
Axel Stavenow
Axel Weyer
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SMS Group GmbH
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SMS Group GmbH
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    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1246—Nozzles; Spray heads
    • 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
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling

Definitions

  • the invention relates to a device for controlled secondary cooling with a traversed by a cooling medium network of a continuous casting, which is adaptable to the particular casting task, in particular with regard to the steel grade and special tasks resulting during the casting process.
  • the solidification is achieved by the primary cooling of the steel in the mold and the secondary cooling in the region of the strand guide.
  • water or a water-air mixture is injected under pressure in the remaining between the strand guide rollers areas directly on the strand shell; As a result, heat is removed from the strand.
  • Continuous casting plants for example slab, thin slab or format continuous casting plants, have a series of segments for strand guidance, the number of which is determined by the respective product spectrum. They can consist of up to twenty segments with a corresponding roller conveyor. In each segment between two and ten rolls or sub-rolls, i. H. Rolls with appropriate pitch, arranged per segment frame.
  • the steel casting plant and the segments are superimposed on several cooling zones.
  • the cooling zones can cover one segment, but they can also span multiple segments. There is also the possibility that only parts of a segment are part of a cooling zone.
  • the segment itself can, seen in the product direction, also have multiple shared cooling zones.
  • a Stahlg screenstrom is preferably equipped with up to eighty or more control loops, wherein each cooling zone, a control loop is provided.
  • the cooling medium is applied to the product via at least one spray nozzle in order to cool the product according to the requirements.
  • the individual control circuits are designed with single, dual or multi-fuel cooling systems.
  • water is used as the coolant.
  • the amount of water is used.
  • the coolant is also supplied to the product via special spray nozzles.
  • appropriate additives such as compressed air are supplied to the water at the spray nozzle here.
  • Dual-fluid cooling systems enable more efficient cooling and create more options for influencing the cooling effect. Thus, even smaller amounts of water while maintaining the required spray pattern can be realized by uniform application of the coolant to the product.
  • the secondary cooling actuators are outside the segment in the water distribution space.
  • the amount of water can be set for a control loop.
  • the current amount of water is determined for a control loop by means of a flow measurement within the controlled system.
  • the amount of water set by the control loop is transferred to the segment by means of a water clamping plate of the segment and injected there via lines and nozzles onto the slab surface. Sealing elements on the clamping plate ensure that in the case of segment installation the coupling of the media is tight.
  • the continuous casting machine used for this purpose has a mold, a secondary cooling chamber, an extraction and alignment unit and a cutting unit on.
  • the method used here comprises a first cooling step for strands within the secondary cooling chamber and a second cooling step for strands in front of the cutting unit.
  • the method is characterized by surface quenching of the outer layer of the strands by means of a second cooling step achieved by intensive and concentrated cooling of the surface of the strands to control the surface temperature of the strands after the natural annealing caused by the hot core of the strands about 400 ° C and about 900 ° C, wherein this intensive and concentrated cooling is realized by spraying a water-based cooling fluid under pressure against the surface of the strands through a plurality of spray nozzles.
  • the intensive and concentrated cooling depends on the dimensions of the strands and is applied immediately or immediately after the stripping and aligning step by the stripping and aligning unit.
  • From the EP 1 550 523 A1 is a method for diversified control of the secondary cooling of a continuous casting known, in which the secondary cooling is adapted to the current casting task with respect to the steel grade, the difficulties during the casting process, etc.
  • the secondary cooling segments each have separate cooling circuits that are controlled with an individual task-related setpoint specification.
  • the required cooling effect is regulated via the water volume flow supplied to the product.
  • the other amounts of material are taken into account, as they also affect the cooling effect.
  • All systems are linked to a central data collection system which, based on material specifications and other information and evaluations with regard to input materials, product and metrological information, calculate the setpoint water quantities per cooling zone and transfer this information to the associated control devices as a reference variable.
  • a constant amount of water is applied to a two-fluid nozzle at a constant air pressure, then a constant water pressure and a constant air volume are established. By varying the amount of water, a new equilibrium between water pressure and air volume is established.
  • a device for regulated secondary cooling in which the network comprises at least a first pressure network, in which the pressure of the cooling medium is used as a task size. It is thus not provided a quantity of a cooling medium, but a pressure, according to which then remove all consumers within the cooling system, the required amount of the cooling medium.
  • a device for controlled secondary cooling of a continuous casting plant is known
  • the continuous casting encloses a line network for the cooling medium, the line network is designed as a pressure line network It is envisaged that the pressure of the cooling medium is controlled in the secondary cooling device.
  • the necessary pressure control elements can be arranged on the segments of the strand guide.
  • German Offenlegungsschrift discloses DE 1 961 507 a flow control system for a constant liquid delivery, in particular a secondary cooling device for a strand guiding device.
  • various cooling zones are provided along the strand guide, which are each supplied with its own pressure lines with cooling water.
  • so-called pressure regulator are arranged for setting a respective predetermined target pressure, which is set via a manually operated lever, in the respective pressure lines of the cooling zones.
  • the individual pressure lines per cooling zone branch each time into a plurality of individual lines, each ending in spray heads.
  • control unit per spray head, which changes the flow cross-section of the control unit in proportion to changes in the upstream prevailing pressure of the cooling medium that is supplied to the spray heads in the form of venturi.
  • This flow control is self-regulating.
  • control loops are completely redesigned, with the following structure is realized: It is a common pressure measurement (input pressure), a flow measurement (sensor for the amount of water) and an adjustable by external pressure control valve used as a pressure control element.
  • the control element can both before the segment, for example in a media room, d. H. the current default location.
  • the fact that the location is located on the segment is facilitated by the technology of the automatic control element or even made possible, since the use of electrical or other auxiliary energy is avoided and also the manipulated variable without electrical assistance to the pressure control element is supplied.
  • the manipulated variable is fed to the pressure control element upper a separate pneumatic or hydraulic line.
  • the control element uses as an auxiliary energy to be controlled medium itself, so preferably the water; but also the compressed air can be used for this purpose.
  • Each control circuit thus requires at least one self-regulating pressure control element.
  • the pressure control elements When placing the pressure control elements on the segment, no further connections for media or energy are required except for a corresponding coolant supply line and the externally presettable manipulated variable (hydraulics or pneumatics).
  • additional cooling circuits can be realized inexpensively, in particular by an "intelligent", d. H. supported by sensors and evaluation means, coolant distribution on the segment. Unused coolant or water circuits can be switched off; by the invention, a fine mesh distribution of the water distribution is provided. Decentralized and self-sufficient regulations lead to better control results compared to the state of the art. Through the use of control valves, which manage without additional, externally supplied auxiliary energy, the reliability is increased.
  • the cooling medium is either a single fluid, in particular water, or a mixture of two or more fluids, for example water and compressed air.
  • the at least one pressure network comprises at least one self-regulating pressure regulating member.
  • the pressure regulating member is advantageously a control valve or switching valve to which an external pressure is supplied as a manipulated variable.
  • the external pressure is supplied as the manipulated variable to the pressure regulating member via a separate pneumatic or hydraulic line.
  • the pressure control element can be arranged particularly convenient on or on a segment.
  • the invention preferably provides that the at least one pressure network coupling separation points, in particular at the transition between the pressure lines and the segments comprises.
  • the coupling separating points are formed, for example, as water chucks.
  • the pressure control elements can be arranged in front of or behind the coupling separating points, with reference to the direction of flow.
  • self-regulating switching or control valves with hydraulic or pneumatic damagessdorfnbeaufschlagung be used to control or regulate the secondary water quantity with arrangement in the water distribution space for the single or two-fluid cooling.
  • the valves are placed in front of the coupling disconnector, i. H. in front of the water chuck, so for example in the media room, used.
  • the valves are used behind the clutch disconnect, that is on or on the respective segment.
  • any number of cooling zones can be realized without the need for expansion measures on the line pipework.
  • the distribution of the water supply always takes place in the flow direction behind the coupling separation point (water tension plate).
  • a constant pressure network is not required because you can measure the characteristics at any time.
  • the prerequisite for this is that organs are provided for pressure measurement or flow measurement per segment or per segment group, ie per branch.
  • the prerequisite here is that there must be no large pressure drops in the pipeline to the valve at full volume flow.
  • nozzles associated with a single valve can be individually calibrated as actuators.
  • nozzle modules ie a plurality of nozzles associated with a valve, as “actuators”
  • the network in the region of the distribution space only a single coolant supply line can be supplied via the pumped by a pump coolant to clamping plates of segments, wherein branches of the line in the region of the clamping plates and / or the segments are arranged ,
  • the cooling system according to the invention can be realized both with a one-component cooling (only water as coolant) and with a two-component cooling (water and air as coolant).
  • the invention relates to a device for controlled secondary cooling with a flowed through by a cooling medium network of a continuous casting plant, which is characterized in that a pump control loop or by a constant pressure network provides the necessary amount of the cooling medium and the quantitative distribution on the segments within the strand guide by valves with defined open positions (open, half open, etc.) or by proportional valves.
  • An inventive device for controlled secondary cooling is advantageously characterized in that a pump control loop provides the necessary amount of the cooling medium is provided and the quantitative distribution on the segments within the strand guide by valves with defined open positions (open, half open, etc.) or done by proportional valves.
  • a device for controlled secondary cooling with a continuous flow of a cooling medium network of a continuous casting for distributing the cooling medium in the continuous casting and / or serving on a segment active actuators, in particular valves and / or regulators on the segments.
  • each of the segments may have a plurality of groups of cans, each of which is advantageously associated with a single valve, the nozzles associated therewith being individually calibrated.
  • the invention also relates to a method for regulated secondary cooling with a network of a continuous casting plant through which a cooling medium flows according to claim 8.
  • valves can be used in various configurations.
  • the valves are operated, for example, as on / off valves, as discrete or continuously switchable valves.
  • the pressure-volumetric flowcharts are calibrated at specific time intervals. However, the calibration preferably takes place outside of the casting operation in the continuous casting plant.
  • the direct pressure control in conjunction with the proximity to the consumer also allows a much faster response to any disturbances, resulting in that pressure surges of the cooling medium are reduced at the consumer.
  • a nozzle failure caused for example by a blockage is quickly recognized, since the coolant quantity is regulated directly via the pressure.
  • the resulting calmed pressure situation at the consumer also favors the uniform application of the cooling medium and in turn leads to an improvement in the surface quality and the structural quality of the cast product.
  • the required temperatures can be set better and faster over the entire strand width of the metal strand; this leads to an overall improvement of the surfaces and the structural quality of the metal strand.
  • the piping outside the casting machine and the strand guide can be significantly reduced.
  • the usually existing volumetric flow measurement can be omitted if one concludes from the self-adjusting pressure of the cooling medium at the nozzle (control result) and the nozzle characteristics and interpretations on the consumption of the cooling medium and refrained to verify this result by a volume flow measurement.
  • the equipment can easily be converted to the segment.
  • control loops can also have an improving effect on the surface quality of the casting product if disadvantages of the conventional cooling using a smaller number of control loops are compensated by special cooling strategies, which in turn has a positive effect on the production costs effect.
  • the use of the technology provides the advantage, especially in the case of retrofits or extensions of existing systems, of a cost-effective or even an economical realization by the use of the invention.
  • the cost savings result from the fact that an otherwise additional route piping is no longer needed.
  • the measuring technology is also simplified.
  • the reduction in the total quantity of coolant can be deliberately compensated by deliberately increasing the preselected pressure.
  • the pressure specifications of each automatic pressure control element can be switched equal.
  • the volume flow measurement is then used in the control loop as the actual value, the desired volume flow as a reference variable (setpoint) and the pressure specifications of each automatic pressure control element as a manipulated variable. If the manipulated variables are combined, the actual value can be correspondingly influenced by their change in order to achieve the reference variable.
  • the coolant distribution can be realized while maintaining the total coolant flow. Of course, so can the conditions with changed coolant flow rates can be realized.
  • control result occurs in the case of the arrangement of the automatic pressure control elements on the segments, since then the distance between the pressure regulating member and the consumer, d. H. the nozzle is significantly lower.
  • the control path has a lower regulatory order, so that the control result is in a higher accuracy range than the standard case, in which the control element is placed in a media room and thus to bridge significant distances and height differences and must be taken into account.
  • the height difference or level difference between the control units and the nozzle position must be taken into account; the resulting pressure difference is in the range of 0.5 to 3 bar, taking into account the difference in level and the remaining pressure losses plant-specific.
  • the pressure control can be used to take over the control in case of failure of the flow measurement and continue to operate the system despite this failure.
  • According to the invention can be closed by controlling the pressure of the cooling medium on the flow, in particular using the respective nozzle characteristics and interpretations of the segments.
  • the pressure control can be activated. It is thus possible to continue operating the system with defective volumetric flow measurement without affecting it. Due to this redundancy, the availability of each individual volume flow control and thus also the overall availability of the system can be increased.
  • self-regulating control valves or switching valves with pneumatic or hydraulic pilot quantity application advantageously regulate the pressure of the cooling medium.
  • the common volume flow measurement is used as the actual value and compared with a reference variable.
  • the result of the control is converted into a pressure and supplied as a pneumatic or hydraulic damagessdorfnbeaufschlagung the self-regulating control or switching valves.
  • Changes in the respective pressure specification can be regulated so the volume flow supplied to the strand.
  • the self-regulating control or switching valves are placed on the segment, only a common route piping is needed. Due to the proximity of the self-regulating control or switching valves to the consumer and the associated lower regulatory technical order, the control element can easily compensate for any pressure fluctuations occurring automatically.
  • the invention provides a total volume flow control with a partial flow control; Also by this aspect of the invention, the control result is improved.
  • the invention also provides a failure strategy for volumetric flow measurement, for example if the volumetric flow measurement fails.
  • a pump control loop or a constant pressure network the amount of cooling medium, in particular the amount of water holds, and the quantitative distribution on the segments of the strand guide in or across the casting direction is made by volume flow regulator, which are located on the segments.
  • the invention also relates to a method for controlled secondary cooling with a network of a continuous casting plant through which a cooling medium flows.
  • the method according to the invention is characterized in that the pressure of the cooling medium is regulated.
  • valves are operated either as on / off valves, as discrete or continuously switchable valves. Likewise, it is advantageously closed by the regulation of the pressure of the cooling medium to the flow rate.
  • the respectively measured volume flow in the pressure control circuit serve as an actual value, the desired volume flow as a reference variable and the pressure specifications of each automatic pressure control element as a manipulated variable.
  • a measured volume flow of the cooling medium is used as the actual value and compared with a reference variable, that for controlling the pressure of the cooling medium from the result for controlling the amount of a hydraulic or pneumatic command value is obtained, the self-regulating control or switching valves is supplied.
  • a strand guide in a system for casting a metal strand in a casting direction A a plurality of in the casting direction one behind the other and each equipped with rollers 1a for guiding the strand segments 1 on.
  • Each segment 1 has two or more spray zones, which are usually operated depending on the width of the strand to be cast.
  • the cooling medium is applied by means of spray nozzles 4 from the top and nozzles 4a from the bottom.
  • the nozzles 4, 4a are each mounted in the areas between the rollers 1 a. According to the thickness of the metal strand to be transported, the nozzles 4 are adjustable in height.
  • a segment 31 is shown, which is supplied via three control circuits 32, 33, 34 with a cooling medium, that is, for example, with water or a water-compressed air mixture.
  • the control circuit 32 applies the cooling medium via a central feed line 35 to the central region of the segment 31. From the supply line, the cooling medium is distributed to the individual spray nozzles 4.
  • the control circuits 33 and 34 each have two parallel feed lines 39, 40 and 41 and 44, from which the cooling medium reaches the associated spray nozzles 4.
  • the cooling medium in the present case water
  • the cooling medium is supplied via a water tension plate 45 to the control circuits 32 to 34 via switching or control valves 46, 47 and 48, respectively.
  • the switching or control valves 46 to 48 are each equipped with adjusting members 49 to 51, via the pneumatically the switching or control position of the switching or control valves 46 to 48 is set by the adjustment or position of the adjusting members 49 to 51 by the pressure the compressed air used as a reference variable is adjusted.
  • the compressed air is supplied to the adjusting members 49 to 51 via a clutch formed as a control air plate 52.
  • the quantity and pressure of the compressed air are provided by a control device, for example a programmable logic controller (PLC) 53.
  • PLC programmable logic controller
  • Via controllable pneumatic valves 54, 55 and 56, the pressure is set as a reference variable for the adjusting members 49 to 51 and these are supplied via their own lines 57, 58, 59 via the control air plate 52.
  • the water supply is ensured by a media room 60, are provided in the measuring points 61, 62 for the flow rate of the water or for its pressure. From there, the water is forwarded to serving as a coupling to the segment 31 water chuck plate 45 and the switching or control valves 46 to 48.

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

Claims (12)

  1. Dispositif de refroidissement secondaire pour le refroidissement d'une barre métallique guidée dans un mécanisme de guidage de barre d'une installation de coulée continue, dans lequel le dispositif de refroidissement secondaire présente :
    - plusieurs zones de refroidissement disposées le long du mécanisme de guidage de barre ;
    - au moins un réseau de conduites sous pression dans lesquelles s'écoule au moins un milieu de refroidissement ;
    - des buses d'injection pour amener ledit au moins un milieu de refroidissement à partir du réseau de conduites sous pression au moins à l'intérieur d'une zone de refroidissement sur la barre métallique ;
    - au moins un mécanisme de mesure de la pression pour mesurer la pression réelle dudit au moins un milieu de refroidissement dans le réseau de conduites sous pression ; et
    - au moins un circuit de commande comprenant au moins une soupape de commande à titre de dispositif de commande et un élément de réglage pour l'adaptation de la puissance de refroidissement prédéfinie distribuée à la barre métallique à l'intérieur de la zone de refroidissement à l'aide du réseau de conduites sous pression et de buses d'injection qui y sont reliées ;
    dans lequel le circuit de commande est réalisé sous la forme d'un circuit de commande sous pression dans lequel une pression de consigne à titre de pression externe et la pression réelle, mesurée par le mécanisme de mesure de la pression, dudit au moins un milieu de refroidissement dans le réseau de conduites sous pression, sont acheminées à la soupape de commande à des fins de régulation de la pression ;
    dans lequel la soupape de commande est réalisée sous la forme d'un organe de régulation de la pression du type à régulation automatique ; et dans lequel la pression externe peut être acheminée à l'organe de régulation de la pression (46, 47, 48) à titre de valeur de guidage ou de réglage ;
    caractérisé en ce qu'on prévoit une régulation de la quantité du milieu de refroidissement, en prenant comme base à titre de valeur réelle une mesure commune du débit et en la comparant à une valeur de guidage, et dans lequel le résultat de la régulation est transformé en pression externe ;
    en ce que la pression externe à titre de valeur de réglage peut être acheminée audit au moins un organe de régulation de la pression via une conduite pneumatique ou hydraulique séparée (57, 58, 59) ;
    en ce que le mécanisme de guidage de barre présente, dans une direction de coulée (A), une multitude de segments (1) disposés les uns derrière les autres dans la direction de coulée et équipés respectivement de rouleaux (1a) pour le guidage de la barre ; et
    en ce qu'au moins un organe de régulation de la pression (46, 47, 48) est disposé contre un segment (1, 31) ou directement devant ce dernier ou encore sur ce dernier.
  2. Dispositif selon la revendication 1, caractérisé en ce ledit au moins un réseau de pression présente des jonctions sous forme d'accouplements, en particulier à la transition entre les conduites de pression et les segments.
  3. Dispositif selon la revendication 2, caractérisé en ce que les jonctions sous forme d'accouplements sont réalisées sous la forme de plaques de serrage pour l'eau (45) et/ou sous la forme de plaques de serrage (52) pour l'air de commande.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que ledit au moins un organe de régulation de la pression (46, 47, 48) est disposé devant ou derrière les jonctions sous forme d'accouplements (45, 52).
  5. Dispositif selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce qu'on prévoit des organes pour la mesure de la pression et du débit pour chaque segment (1) ou pour chaque groupe de segments.
  6. Dispositif selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que chaque groupe d'injection comprend une soupape individuelle, les buses qui lui sont attribuées pouvant être étalonnées de manière individuelle.
  7. Dispositif selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que le réseau présente, dans la zone de l'espace de distribution, une conduite unique par laquelle on peut acheminer le milieu de refroidissement transporté par une pompe aux plaques de serrage des segments (1) et en ce que des ramifications de la conduite sont disposées dans la zone des plaques de serrage et/ou sur les segments (1).
  8. Procédé, en utilisant un dispositif selon l'une quelconque des revendications 1 à 7, pour le refroidissement secondaire régulé avec un réseau dans lequel s'écoule un milieu de refroidissement, d'une installation de coulée continue, dans lequel la pression du milieu de refroidissement est régulée avec un organe de régulation de la pression du type à régulation automatique ;
    caractérisé en ce que pour chaque segment (1, 31), un débit mesuré du milieu de refroidissement est utilisé à titre de valeur réelle et est comparé à une valeur de guidage ;
    en ce que, pour la régulation de la pression du milieu de refroidissement, à partir du résultat pour la régulation de la quantité, on obtient une valeur de guidage hydraulique ou pneumatique qui est acheminée aux soupapes de réglage ou de commutation du type à régulation automatique.
  9. Procédé selon la revendication 8, caractérisé en ce que les soupapes (46, 47, 48 ; 54, 55, 56) sont actionnées sous la forme de soupapes du type à ouverture/fermeture, sous la forme de soupapes du type à commutation discrète ou sous la forme de soupapes commutables en continu.
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que la régulation de la pression du milieu de refroidissement se base sur le débit.
  11. Procédé selon l'une quelconque des revendications 8 à 10,
    caractérisé en ce que, pour la régulation du débit total d'un segment (1, 31), on coordonne les consignes de pression de chacun des organes automatiques de régulation de la pression (46, 47, 48 ; 54, 55, 56).
  12. Procédé selon la revendication 11, caractérisé en ce que le débit respectivement mesuré dans le circuit de régulation de la pression fait office de valeur réelle, le débit désiré fait office de valeur de guidage et les consignes de pression de chacun des organes automatiques de régulation de la pression font office de valeur de réglage.
EP11760498.3A 2010-11-23 2011-09-26 Dispositif et procédé permettant le refroidissement secondaire régulé d'une installation de coulée continue Active EP2643109B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010052247A DE102010052247A1 (de) 2010-11-23 2010-11-23 Vorrichtung und Verfahren zur geregelten Sekundärkühlung einer Stranggießanlage
PCT/EP2011/066647 WO2012069234A1 (fr) 2010-11-23 2011-09-26 Dispositif et procédé permettant le refroidissement secondaire régulé d'une installation de coulée continue

Publications (3)

Publication Number Publication Date
EP2643109A1 EP2643109A1 (fr) 2013-10-02
EP2643109B1 EP2643109B1 (fr) 2015-03-04
EP2643109B2 true EP2643109B2 (fr) 2018-03-28

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EP (1) EP2643109B2 (fr)
CN (1) CN103459065B (fr)
DE (1) DE102010052247A1 (fr)
WO (1) WO2012069234A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP2527061A1 (fr) * 2011-05-27 2012-11-28 Siemens VAI Metals Technologies GmbH Procédé de refroidissement d'un faisceau métallique et vanne de commande pour l'ouverture et la fermeture intermittentes d'un flux volumique d'un fluide de refroidissement
DE102013214810A1 (de) 2013-07-30 2015-02-05 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zur gesteuerten Sekundärkühlung eines gegossenen Metallstrangs
DE102013214809A1 (de) 2013-07-30 2015-02-05 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zur gesteuerten Mehrstoff-Sekundärkühlung eines gegossenen Metallstrangs
DE102017201128A1 (de) 2017-01-25 2018-07-26 Sms Group Gmbh Kühlsystem, hüttentechnische Anlage und Verfahren zum Betreiben eines Kühlsystems
CN107737896A (zh) * 2017-11-15 2018-02-27 中冶赛迪工程技术股份有限公司 一种连铸机二次冷却方法及装置
CN110788290B (zh) * 2019-11-22 2024-07-30 中冶赛迪技术研究中心有限公司 一种防止连铸二冷喷嘴堵塞的系统及方法
DE102020211720A1 (de) * 2020-09-18 2022-03-24 Sms Group Gmbh Verfahren und Sprüheinrichtung zur thermischen Oberflächenbehandlung eines metallischen Produkts
CN115026256A (zh) * 2022-07-11 2022-09-09 中冶赛迪工程技术股份有限公司 一种连铸二次冷却喷淋状态的识别方法及系统
DE102022210993A1 (de) * 2022-10-18 2024-04-18 Sms Group Gmbh Stützende Strangführung für eine Stranggießanlage, und Verfahren zum Kühlen eines Gießstranges

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EP2643109A1 (fr) 2013-10-02
EP2643109B1 (fr) 2015-03-04

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