EP1077782B1 - Dispositif et procede de coulee de metal, proche des cotes finales - Google Patents

Dispositif et procede de coulee de metal, proche des cotes finales Download PDF

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Publication number
EP1077782B1
EP1077782B1 EP99919121A EP99919121A EP1077782B1 EP 1077782 B1 EP1077782 B1 EP 1077782B1 EP 99919121 A EP99919121 A EP 99919121A EP 99919121 A EP99919121 A EP 99919121A EP 1077782 B1 EP1077782 B1 EP 1077782B1
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EP
European Patent Office
Prior art keywords
conveyor belt
fact
supply container
material supply
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99919121A
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German (de)
English (en)
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EP1077782A1 (fr
Inventor
Ulrich Urlau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag 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 Demag AG filed Critical SMS Demag AG
Publication of EP1077782A1 publication Critical patent/EP1077782A1/fr
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Publication of EP1077782B1 publication Critical patent/EP1077782B1/fr
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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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt

Definitions

  • the invention relates to a method for casting near-net-shape rectangular strands of metal, in particular steel, and subsequent Inline scrapping of the strand, with a material feed container over which The liquid metal is discharged onto the upper run of a conveyor belt on which it solidifies and is passed on to a roll stand for deformation, and a corresponding device for performing the method.
  • DE 43 44 953 C2 discloses a method for casting a metal strip close to its final dimensions onto a belt casting device provided with a melt receptacle and a conveyor belt, in which process instructions and means are listed to influence the spread of the molten metal on the conveyor belt.
  • the arrangement of the casting vessel relative to the conveyor belt cannot be changed.
  • the invention has set itself the goal of creating a method for a corresponding device in which a casting close to the final dimensions and subsequent rolling of rectangular strands of high and constant quality at any casting speed and any strand thickness is ensured with simple constructional means.
  • the invention achieves this goal by the features of method claim 1 and device claim 4.
  • the material feed container is placed in one before the casting begins Predeterminable position with respect to the longitudinal extent of the conveyor belt is set and thus roughly the point of application of the liquid metal onto the conveyor belt given. Furthermore, the conveyor speed of the conveyor belt in Dependence of the desired roll thickness and rolling speed of the roll stand set. During operation, the position of solidification is now and the temperature of the rolling stock as a control variable for the current position of the Drop point of the liquid material leaving the material feed container the conveyor belt used.
  • the average temperature comprises the average of the permissible Temperature differences across the strip cross-section of the cast strip.
  • variable feed point of the melt both the rough setting and Even the fine adjustment carried out during operation enables a set the special input temperature profile of the strand in the rolling mill.
  • the material feed container has Movement elements with which it is horizontal and coaxial to the main axis of the conveyor belt is movable in or against the direction of conveyance of the strand. Furthermore, the material supply container is connected to an actuator that control engineering with a solidification of the strand and the temperature of the Rolling material-taking control device is connected and with which the position of the material feed container can be adjusted as desired.
  • the material feed container is with wheels equipped that run on rails. It is also proposed sliding elements use that correspond to a web.
  • the movement elements are one Thrust gear, which is designed so that the mouth of the outlet nozzle of the Material feed container for a certain area considered sufficient in constant distance to the upper run of the conveyor belt is feasible.
  • piston-cylinder units are used which are connected to a control device are connected in such a way that at a Horizontal movement of the material feed container, the mouth of which is constant Distance to the upper run of the conveyor belt is feasible.
  • the piston-cylinder units form the supports attached to the corners of the material supply container are.
  • a hydraulic piston-cylinder unit suggested.
  • a piston-cylinder unit is provided, which is designed as a synchronous cylinder, one end of which has a spacer rod the material supply container is connected.
  • a is used as the position actuator electric drive proposed, which is connected to the endless belt Material supply container is connected.
  • the position actuator and the material feed container to be arranged on a scaffold and the actuator for fine tuning and that Scaffold, which has its own drive, for the rough positioning of the position of the material supply container.
  • the material feed container is one with a stopper rod or a pan provided upstream of a slide, which controls the inflow of the controls liquid metal.
  • the Material supply container designed as a vacuum vessel, which has a filling chamber has, into which the melt is filled.
  • the inlet temperature profile is reliably reached Invention provided an enclosure from the point of application of the liquid metal on the conveyor belt and during transportation through this at least the free ones Wrapped surfaces of the strand.
  • This enclosure has a lid that acts as a Venetian blind is designed.
  • This blind is at one end with the outlet nozzle of the Material feed container connected and has one at the other end Take-up device.
  • This enclosure is connected to a gas supply facility connected, through which inert gas in particular is pumped into the open space.
  • FIG. 1 shows a material feed container 11, via its outlet nozzle 13 liquid metal M a conveyor belt 31 is supplied.
  • the material supply container 11 is via movement elements 22 in the direction of the main axis I of the conveyor belt 31 movable, in the present case these are wheels 14 which run on a rail 23.
  • the material feed container is moved by an actuator via a spacer rod 16 21 moved horizontally in the direction of the main axis I of the conveyor belt 31.
  • a pan 66 is provided for feeding the liquid metal M into the material feed container 11 provided that has a diving spout 67, which is head-end by a Plug rod 63 is closable.
  • the liquid metal M solidifies on the upper run 32 to the strand S and is fed to a roll stand 91.
  • This roll stand is made by a roller drive 92 which drives the strand S to the desired thickness of the rolling stock W is rolled out and finally in a winding device 74 wound up.
  • the device for near-net-shape casting of rectangular strands Metal is equipped with a number of measuring elements, namely a measuring element 51 for detecting the solidification of strand S and a measuring element 52 for Detecting the temperature of the rolled stock W.
  • a measuring element 53 for detecting the Speed provided on the drive 34 of the conveyor belt 31 .
  • a measuring element 54 for detecting the geodetic height of the liquid metal M is arranged in the material feed container 11.
  • a measuring element 55 for detecting the thickness of the metal strand is arranged above the upper run 32 of the conveyor belt 31 in the vicinity of the outlet nozzle 13 of the material feed container 11.
  • a measuring element 56 is provided in the vicinity of the roll stand 91 in the strand conveying direction in front of this.
  • a measuring element 58 for detecting the thickness of the rolling stock W is arranged in the conveying direction of the strand after the rolling stand 91.
  • the measuring element 51 for detecting solidification and the measuring element 52 for Detection of the rolling stock temperature are connected to a control device 41 which in terms of control with the actuator 21 for adjusting the position of the Material feed container 11 is connected.
  • the measuring element 53 for detecting the speed of the conveyor belt is included a control device 43, the measuring element 54 for detecting the geodetic height with a control device 44 and the measuring element 55 for detecting the thickness of the Metal strand connected to a control device 45, the control devices 43-45 with an element 61 for controlling the amount of liquid metal M in Connect.
  • the measuring element 56 for detecting the heat dissipation is provided with a control device 46, the measuring element 57 for detecting the speed of the roll stand with a Control device 47 and the measuring element 58 for detecting the rolling stock thickness with a Control device 48 connected, the control devices 46-48 with the Control device 41 are linked.
  • the (main) control device 41 is supported essentially on the measured values of the measuring elements 51-52 and in addition to that of Measuring elements 56-58.
  • FIG. 2 shows a material feed container 11, which acts as a vacuum vessel is configured, which is connected to a vacuum device 65.
  • This Material feed container has a filling chamber 12, into which an immersion spout 67 protrudes.
  • the immersion spout 67 can be closed by a closing element 67, which is designed here as a slide 64.
  • the diving spout 67 is one in the bottom Pan 66, in which liquid metal M is located.
  • the material supply container is based on movement elements 22, which here as Piston-cylinder units 27 are configured. These piston-cylinder units 27, which are connected in terms of control technology to a control device 49 are in the Able, the outlet nozzle 13 and in a movement of the material supply container in Direction of the main axis I of the conveyor belt 31 at a constant distance from the upper run 33 hold.
  • the material feed container 11 is connected to an actuator 21 via a spacer rod 16 connected, which is designed here as a piston-cylinder unit 28.
  • the actuator 21 for fine tuning and the movement elements 22 are in the present case arranged on a scaffold 18, which on wheels 14 on a Rail 23 is movable.
  • a scaffold 18 which on wheels 14 on a Rail 23 is movable.
  • the movement elements 22 are designed as sliding elements 15 which are attached to the material supply container 11 and with a web 24th correspond.
  • Levers 25, which have joints 26, are provided on the material feed container 11, with which the position of the outlet nozzle 13 to the upper run 33 of the conveyor belt 31st is freely adjustable.
  • the material feed container 11 is in the present case via an endless belt 17th connected, which is connected to an actuator 21, which here as an electrical Drive 29 is configured.
  • the strand S is encased by a housing 71, which with a Gas supply 81 is connected.
  • the housing 71 has a cover 72. which in the present case is designed as a venetian blind 73.
  • the blind 73 is at one end attached to the Materiafzu Switzerlandbenzofter 11 gas-tight and has other ends Rewinders 74 on.
  • Inert gas is preferably supplied via the gas supply 81 promoted in the interior 75 of the housing 71.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Claims (20)

  1. Procédé pour la coulée proche des dimensions finales de barres rectangulaires en métal, en particulier en acier, et le laminage en ligne suivant de la barre, comportant un récipient d'amenée de matière par l'intermédiaire de la buse de sortie duquel le métal liquide est chargé sur le brin supérieur d'une bande de transport, sur laquelle il se solidifie et, pour la déformation, est transmis à une cage de laminoir, comportant les étapes suivantes :
    a) avant le début de la coulée :
    aa) le point de chargement du métal liquide sur la bande de transport est grossièrement prédéfini,
    ab) la vitesse de transport de la bande de transport est réglée de façon dépendant de l'épaisseur de laminage et de la vitesse de laminage souhaitées de la cage de laminoir,
    b) pendant la coulée :
    ba) la position de la solidification de la barre métallique se trouvant sur la bande de transport est déterminée,
    bb) la température du produit laminé est déterminée dans la zone de la cage de laminoir, et
    bc) la position de la solidification et la température du produit laminé sont utilisées comme grandeurs de commande pour la position actuelle du point de chargement du métal liquide quittant le récipient d'amenée de matière sur la bande de transport.
  2. Procédé selon la revendication 1,
    caractérisé en ce que l'épaisseur de la barre métallique se trouvant sur la bande de transport est déterminée et est utilisée pour la commande du débit du métal liquide quittant le récipient d'amenée de matière.
  3. Procédé selon la revendication 1,
    caractérisé en ce que la vitesse de la bande de transport est déterminée et est utilisée pour commander le débit du métal liquide quittant le récipient d'amenée de matière.
  4. Procédé selon une des revendications précitées,
    caractérisé en ce que la hauteur géodésique du métal se trouvant dans le récipient d'amenée de matière est prise en compte lors de la commande du débit du métal liquide quittant le récipient d'amenée de matière.
  5. Procédé selon la revendication 1,
    caractérisé en ce que l'évacuation de la chaleur de la barre métallique se trouvant sur la bande de transport est prise en compte lors de la commande de la position du point de chargement de matière.
  6. Dispositif pour la coulée proche des dimensions finales de barres rectangulaires en métal, en particulier en acier, et le laminage en ligne suivant de la barre, comportant un récipient d'amenée de métal présentant une buse de sortie, une bande de transport agencée de façon horizontale, et au moins une cage de laminoir agencée en aval de celle-ci, pour la mise en oeuvre du procédé selon la revendication 1,
    caractérisé en ce que le récipient d'amenée de matière (11) est relié à des éléments de déplacement (22), grâce auxquels celui-ci est déplaçable horizontalement, de façon coaxiale à l'axe principal de la bande de transport (31), dans la direction de transport de la barre (S) ou à l'encontre de celle-ci, et en ce que le récipient d'amenée de matière (11) est raccordé à un actionneur (21) qui est relié à un dispositif de réglage (41) auquel sont raccordés des éléments de mesure (51) pour déterminer la position de la solidification de la barre (S) et des éléments de mesure (52) pour déterminer la température du produit laminé.
  7. Dispositif selon la revendication 6,
    caractérisé en ce qu'un élément (61) est prévu grâce auquel le débit du métal à travers la buse de sortie (13) du récipient d'amenée de métal (11) peut être commandé.
  8. Dispositif selon la revendication 7,
    caractérisé en ce que l'élément (61) est réalisé comme élément de fermeture commandable (62) et/ou comme dispositif à dépression (65).
  9. Dispositif selon la revendication 6,
    caractérisé en ce que les éléments de déplacement (22) sont des roues (14) reliées au récipient d'amenée de matière (11), qui roulent sur des rails (23).
  10. Dispositif selon la revendication 6,
    caractérisé en ce que les éléments de déplacement (22) sont des éléments de glissement (15) reliés au récipient d'amenée de matière (11), qui correspondent à une voie (24).
  11. Dispositif selon la revendication 6,
    caractérisé en ce que les éléments de déplacement (22) sont réalisés à partir de leviers (25) possédant des articulations (26), qui sont réalisés comme train baladeur, en ce que, lors d'un déplacement horizontal du récipient d'amenée de matière (11), l'embouchure de la buse de sortie (13) peut être guidée dans une zone déterminée à distance constante par rapport au brin supérieur (32) de la bande de transport (31).
  12. Dispositif selon la revendication 6,
    caractérisé en ce que les éléments de déplacement (22) sont des vérins (27), qui sont raccordés à un dispositif de réglage (49), de façon que, lors d'un déplacement horizontal du récipient d'amenée de matière (11), l'embouchure de la buse de sortie (13) peut être guidée à distance constante par rapport au brin supérieur (32) de la bande de transport.
  13. Dispositif selon la revendication 6,
    caractérisé en ce que l'actionneur (21) est un vérin hydraulique (28).
  14. Dispositif selon la revendication 13,
    caractérisé en ce que le vérin (28) est réalisé comme vérin d'allure uniforme, dont une extrémité est reliée, par l'intermédiaire d'une bielle (16), au récipient d'amenée de matière (11).
  15. Dispositif selon la revendication 6,
    caractérisé en ce que l'actionneur (21) est réalisé comme entraínement électrique (29), qui est relié, par l'intermédiaire d'une bande sans fin (17), au récipient d'amenée de matière (11).
  16. Dispositif selon une des revendications 6 à 15,
    caractérisé en ce que les éléments de déplacement (22) du récipient d'amenée de matière (11) et l'actionneur (21) relié à celui-ci sont agencés sur une cage (18) qui possède un entraínement propre (29) pour le déplacement coaxialement à l'axe principal (I) de la bande de transport (31).
  17. Dispositif selon la revendication 6,
    caractérisé en ce que le récipient d'amenée de matière (11) est réalisé comme récipient à dépression, qui présente une chambre de remplissage (12), qui peut être remplie de matière en fusion.
  18. Dispositif selon la revendication 11,
    caractérisé en ce qu'il est prévu un carter (71) qui enveloppe, à partir du point de chargement, la bande de transport (31) et, pendant le transport à travers celle-ci, au moins les surfaces libres de la barre (S).
  19. Dispositif selon la revendication 18,
    caractérisé en ce que le carter (71) présente un couvercle (72), qui est réalisé comme jalousie (73), qui, à une extrémité, est relié à la buse de sortie (13) du récipient d'amenée de matière (11) et dont le déplacement n'est pas gêné et, à l'autre extrémité, est relié à un dispositif d'enroulement (74).
  20. Dispositif selon la revendication 18 ou 19,
    caractérisé en ce que le carter (71) est raccordé à un dispositif d'alimentation en gaz (81).
EP99919121A 1998-05-19 1999-03-19 Dispositif et procede de coulee de metal, proche des cotes finales Expired - Lifetime EP1077782B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19823440 1998-05-19
DE19823440A DE19823440C1 (de) 1998-05-19 1998-05-19 Verfahren und Vorrichtung zum endabmessungsnahen Gießen von Metall
PCT/DE1999/000891 WO1999059750A1 (fr) 1998-05-19 1999-03-19 Dispositif et procede de coulee de metal, proche des cotes finales

Publications (2)

Publication Number Publication Date
EP1077782A1 EP1077782A1 (fr) 2001-02-28
EP1077782B1 true EP1077782B1 (fr) 2001-11-28

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EP99919121A Expired - Lifetime EP1077782B1 (fr) 1998-05-19 1999-03-19 Dispositif et procede de coulee de metal, proche des cotes finales

Country Status (21)

Country Link
US (1) US6363997B1 (fr)
EP (1) EP1077782B1 (fr)
JP (1) JP4703848B2 (fr)
KR (1) KR100589083B1 (fr)
CN (1) CN1206057C (fr)
AT (1) ATE209544T1 (fr)
AU (1) AU754397B2 (fr)
BR (1) BR9911053A (fr)
CA (1) CA2332914C (fr)
CZ (1) CZ298804B6 (fr)
DE (2) DE19823440C1 (fr)
ES (1) ES2164490T3 (fr)
HU (1) HU222717B1 (fr)
MX (1) MXPA00011323A (fr)
PL (1) PL189011B1 (fr)
RU (1) RU2213642C2 (fr)
SK (1) SK285609B6 (fr)
TR (1) TR200003387T2 (fr)
UA (1) UA63011C2 (fr)
WO (1) WO1999059750A1 (fr)
ZA (1) ZA200006698B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009065517A1 (fr) * 2007-11-21 2009-05-28 Sms Siemag Ag Procédé et dispositif destinés à la fabrication d'une bande de métal

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GB0403411D0 (en) * 2003-11-25 2004-03-24 Unilever Plc Process to prepare a shaped solid detergent
DE102004002783A1 (de) * 2004-01-20 2005-08-04 Sms Demag Ag Verfahren und Einrichtung zum Bestimmen der Lage der Sumpfspitze im Gießstrang beim Stranggießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen
DE102004061080A1 (de) * 2004-12-18 2006-06-22 Sms Demag Ag Verfahren und Vorrichtung zum Bandgießen von Metallen
JP4822720B2 (ja) * 2005-03-17 2011-11-24 Ｊｘ日鉱日石金属株式会社 アノード鋳造方法及びアノード鋳造装置
KR100846423B1 (ko) 2006-11-16 2008-07-15 스탠다드펌아시아리미티드 주식회사 빌렛 주조 장치
CN101669010B (zh) * 2007-03-09 2015-09-02 Sms西马格股份公司 用于厚度测量的装置以及用于所述厚度测量的方法
GB2522873A (en) * 2014-02-07 2015-08-12 Siemens Vai Metals Tech Gmbh A method of forming tailored cast blanks
DE102015114725B3 (de) * 2015-09-03 2016-12-08 Salzgitter Flachstahl Gmbh Schmelzenaufgabesystem für eine horizontale Bandgießanlage
DE102016116711A1 (de) 2016-09-07 2018-03-08 Salzgitter Flachstahl Gmbh Verfahren zur Herstellung eines Metallbandes auf einer horizontalen Bandgießanlage
DE102017103046A1 (de) 2017-02-15 2018-08-16 Salzgitter Flachstahl Gmbh Horizontale Bandgießanlage mit optimierter Gießatmosphäre

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DE3707897A1 (de) * 1987-03-12 1988-09-22 Mannesmann Ag Verfahren und giessvorrichtung zum giessen von baendern aus metall, insbesondere aus stahl
US4993477A (en) * 1989-03-06 1991-02-19 The United States Of America As Represented By The United States Department Of Energy Molten metal feed system controlled with a traveling magnetic field
DE4218587C1 (de) * 1991-09-27 1993-11-04 Wieland Werke Ag Verfahren und vorrichtung zur herstellung eines endabmessungsnahen metallbandes
DE4344953C2 (de) * 1993-12-27 1996-10-02 Mannesmann Ag Verfahren und Vorrichtung zum Angießen eines endabmessungsnahen Metallbandes
DE4407873C2 (de) * 1994-03-04 1997-04-10 Mannesmann Ag Verfahren und Vorrichtung zum Kühlen schmelzflüssigen Stahls
HU218882B (hu) * 1996-06-07 2000-12-28 Mannesmann Ag. Folyamatos öntőberendezés

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009065517A1 (fr) * 2007-11-21 2009-05-28 Sms Siemag Ag Procédé et dispositif destinés à la fabrication d'une bande de métal
TWI381893B (zh) * 2007-11-21 2013-01-11 Sms Siemag Ag 製造金屬帶的方法與裝置

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Publication number Publication date
CZ298804B6 (cs) 2008-02-06
BR9911053A (pt) 2001-02-06
CN1206057C (zh) 2005-06-15
RU2213642C2 (ru) 2003-10-10
PL344247A1 (en) 2001-10-22
UA63011C2 (en) 2004-01-15
SK17542000A3 (sk) 2001-06-11
HUP0101807A3 (en) 2001-10-29
EP1077782A1 (fr) 2001-02-28
ES2164490T3 (es) 2002-02-16
PL189011B1 (pl) 2005-06-30
HUP0101807A2 (hu) 2001-09-28
SK285609B6 (sk) 2007-04-05
CZ20004273A3 (cs) 2001-07-11
KR20010043684A (ko) 2001-05-25
DE19823440C1 (de) 1999-12-09
AU754397B2 (en) 2002-11-14
CN1301203A (zh) 2001-06-27
HU222717B1 (hu) 2003-09-29
US6363997B1 (en) 2002-04-02
AU3700799A (en) 1999-12-06
TR200003387T2 (tr) 2001-03-21
WO1999059750A1 (fr) 1999-11-25
CA2332914C (fr) 2006-11-14
ATE209544T1 (de) 2001-12-15
DE59900475D1 (de) 2002-01-10
MXPA00011323A (es) 2003-05-19
KR100589083B1 (ko) 2006-06-13
ZA200006698B (en) 2002-02-18
JP4703848B2 (ja) 2011-06-15
JP2002515339A (ja) 2002-05-28
CA2332914A1 (fr) 1999-11-25

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