EP1077782A1 - Dispositif et procede de coulee de metal, proche des cotes finales - Google Patents

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

Info

Publication number
EP1077782A1
EP1077782A1 EP99919121A EP99919121A EP1077782A1 EP 1077782 A1 EP1077782 A1 EP 1077782A1 EP 99919121 A EP99919121 A EP 99919121A EP 99919121 A EP99919121 A EP 99919121A EP 1077782 A1 EP1077782 A1 EP 1077782A1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
rolling
metal
material supply
supply container
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.)
Granted
Application number
EP99919121A
Other languages
German (de)
English (en)
Other versions
EP1077782B1 (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
Application granted granted Critical
Publication of EP1077782B1 publication Critical patent/EP1077782B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B22D11/06—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 the near-dimensional casting of rectangular strands of metal, in particular steel, and then in-line rolling of the strand, with a material feed container, via the outlet nozzle of which the liquid metal is fed onto the upper run of a conveyor belt, on which it solidifies and then Deformation is passed to a roll stand, 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, with simple constructional means, a dimension close to the final dimension Pouring and subsequent rolling of rectangular strands of high and consistent quality at any casting speed and any strand thickness is guaranteed.
  • the invention achieves this aim by the features of method claim 1 and device claim 4.
  • the material feed container is set in a predeterminable position with respect to the longitudinal extent of the conveyor belt before the start of the casting, and thus the roughly the point of application of the liquid metal onto the conveyor belt. Furthermore, the conveying speed of the conveyor belt is set depending on the desired rolling thickness and rolling speed of the roll stand. During operation, the position of solidification and the temperature of the rolling stock are now used as a control variable for the current position of the feed point of the liquid material leaving the material supply container on the conveyor belt.
  • the average temperature comprises the average of the permissible temperature differences over the strip cross section of the cast strip.
  • variable feed point of the melt makes it possible to set a special input temperature profile of the strand in the rolling mill.
  • the material feed container has movement elements with which it can be moved horizontally and coaxially to the main axis of the conveyor belt in or against the conveying direction of the strand. Furthermore, the material feed container is connected to an actuator which is connected in terms of control technology to a control device which takes into account the solidification of the strand and the temperature of the rolling stock and with which the position of the material feed container can be set as desired.
  • the material feed container is equipped with wheels that run on rails. Furthermore, it is proposed to use sliding elements that correspond to a track.
  • the movement elements are a thrust gear which is designed in such a way that the mouth of the outlet nozzle of the material feed container can be guided at a constant distance from the upper run of the conveyor belt for a certain area which is regarded as sufficient.
  • piston-cylinder units are used which are connected to a control device in such a way that when the material feed container moves horizontally, its mouth can be guided at a constant distance from the upper run of the conveyor belt.
  • the piston-cylinder units form the supports that are attached to the corners of the material feed container.
  • a hydraulic piston-cylinder unit is proposed as an advantageous embodiment as an actuator for changing the horizontal position of the material supply container.
  • a piston-cylinder unit is provided, which is designed as a synchronous cylinder, one end of which is connected to the material feed container via a spacer rod.
  • an electric drive is proposed as the position actuator, which is connected to the material feed container via an endless belt.
  • the material feed container is preceded by a pan provided with a stopper rod or a slide, which controls the inflow of the liquid metal.
  • the material supply container is designed as a vacuum vessel which has a filling chamber into which the melt is filled.
  • an embodiment in an embodiment of the invention, which encloses at least the free surfaces of the strand from the point of application of the liquid metal to the conveyor belt and during transport through it.
  • This housing has a lid that is designed as a blind.
  • This blind is connected at one end to the outlet nozzle of the material supply container and at the other end has a winding device.
  • This housing is connected to a gas supply device, through which inert gas in particular is conveyed into the open space.
  • FIG. 1 shows a device for casting close to final dimensions, including the control device,
  • FIG. 2 shows the design of the material feed container as a vacuum vessel
  • Figure 3 shows a strip caster with housing.
  • FIG. 1 shows a material feed container 11, through the outlet nozzle 13 of which liquid metal M is fed a conveyor belt 31.
  • the material feed container 11 can be moved via movement elements 22 in the direction of the main axis I of the conveyor belt 31, in the present case these are wheels 14 which run on a rail 23.
  • the material feed container is moved horizontally in the direction of the main axis I of the conveyor belt 31 by an actuator 21 via a spacer rod 16.
  • a pan 66 which has an immersion spout 67 which can be closed at the head end by a stopper rod 63.
  • the liquid metal M solidifies to the strand S on the upper run 32 and is fed to a roll stand 91.
  • This roll stand is driven by a roll drive 92, which rolls the strand S to the desired thickness of the rolling stock W and then winds it up in a winding device 74.
  • the device for the near-dimensional casting of rectangular strands of metal is equipped with a number of measuring elements, namely a measuring element 51 for detecting the solidification of the strand S and a measuring element 52 for detecting the temperature of the rolling stock W.
  • a measuring element 53 for detecting the speed is provided on the drive 34 of the conveyor belt 31.
  • Measuring element 56 is provided for detecting the heat dissipation from the strand S.
  • the measuring element 51 for detecting the solidification and the measuring element 52 for detecting the rolling stock temperature are connected to a control device 41, which is connected in terms of control to the actuator 21 for adjusting the position of the material feed container 11.
  • the measuring element 53 for detecting the speed of the conveyor belt is connected to 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 with a control device 45, the control devices 43-45 with are connected to an element 61 for controlling the amount of the liquid metal M.
  • the measuring element 56 for detecting the heat dissipation is connected to a control device 46, the measuring element 57 for detecting the speed of the rolling stand to a control device 47 and the measuring element 58 for detecting the rolling stock thickness to a control device 48, the control devices 46-48 being connected to the control device 41 are linked.
  • the (main) control device 41 is based essentially on the measured values of the measuring elements 51-52 and additionally on those of the measuring elements 56-58.
  • FIG. 2 shows a material feed container 11 which is designed as a vacuum vessel 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 immersion nozzle 67 is arranged in the bottom of a 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 to a control device 49 in terms of control technology, are able to keep the outlet nozzle 13 and at a constant distance from the upper run 33 when the material feed container moves in the direction of the main axis I of the conveyor belt 31.
  • the material supply container 11 is connected via a spacer rod 16 to an actuator 21, which is designed here as a piston-cylinder unit 28.
  • the actuator 21 for fine tuning and the movement elements 22 are arranged on a frame 18 which can be moved on a rail 23 via wheels 14.
  • the actuator 21 for fine tuning and the movement elements 22 are arranged on a frame 18 which can be moved on a rail 23 via wheels 14.
  • at least one of the wheels 14 is connected to a further actuator 21.
  • the movement elements 22 are designed as sliding elements 15, which are fastened to the material feed container 11 and correspond to a web 24.
  • Levers 25 are provided on the material feed container 11, which have joints 26 with which the position of the outlet nozzle 13 relative to the upper run 33 of the conveyor belt 31 can be adjusted as desired.
  • the material supply container 11 is connected via an endless belt 17 which is connected to an actuator 21, which is designed here as an electric drive 29.
  • the strand S is also encased by a housing 71 which is connected to a gas supply 81.
  • the housing 71 has a cover 72, which is designed in the present case as a blind 73.
  • the Venetian blind 73 is attached to the material supply container 11 in a gas-tight manner at one end and has winding devices 74 at the other end.
  • Inert gas is preferably conveyed into the interior 75 of the housing 71 via the gas supply 81.
  • control device (55) 46 control device (56)

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)

Abstract

Procédé et dispositif de coulée proche des cotes de barres rectangulaires de métal, en particulier d'acier, et de laminage en ligne subséquent de la barre. Ledit dispositif est doté d'un récipient d'alimentation par la tuyère de sortie duquel le métal liquide est déposé sur le brin supérieur d'une bande transporteuse sur lequel il se solidifie et est ensuite transmis pour formage dans une cage de laminoir. Ledit procédé est caractérisé par le fait (a) qu'avant la coulée, (aa) le point de coulée du métal liquide sur la bande transporteuse est déterminé grossièrement, et (ab) la vitesse d'avance de la bande transporteuse est réglée en fonction de l'épaisseur et de la vitesse souhaitées de laminage de la cage de laminoir; et (b) que pendant la coulée, (ba) la position de solidification totale de la barre de métal se trouvant sur la bande transporteuse est détectée, (bb) la température du produit laminé est détectée dans la zone de la cage de laminoir et (bc) la position de solidification totale et la température du produit laminé sont utilisées comme grandeur de commande pour la position effective du point de coulée sur la bande transporteuse du métal liquide quittant le récipient d'alimentation.
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 true EP1077782A1 (fr) 2001-02-28
EP1077782B1 EP1077782B1 (fr) 2001-11-28

Family

ID=7868938

Family Applications (1)

Application Number Title Priority Date Filing Date
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
WO2006063847A1 (fr) * 2004-12-18 2006-06-22 Sms Demag Ag Procede et dispositif de coulee en bande de metaux

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE102007056192A1 (de) * 2007-11-21 2009-05-28 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen eines Bandes aus Metall
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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Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006063847A1 (fr) * 2004-12-18 2006-06-22 Sms Demag Ag Procede et dispositif de coulee en bande de metaux

Also Published As

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
ES2164490T3 (es) 2002-02-16
EP1077782B1 (fr) 2001-11-28
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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