EP1200216B1 - Procede et dispositif de fabrication d'un brin metallique - Google Patents

Procede et dispositif de fabrication d'un brin metallique Download PDF

Info

Publication number
EP1200216B1
EP1200216B1 EP00951251A EP00951251A EP1200216B1 EP 1200216 B1 EP1200216 B1 EP 1200216B1 EP 00951251 A EP00951251 A EP 00951251A EP 00951251 A EP00951251 A EP 00951251A EP 1200216 B1 EP1200216 B1 EP 1200216B1
Authority
EP
European Patent Office
Prior art keywords
strand
reduction
solidification
cooling
liquid core
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
EP00951251A
Other languages
German (de)
English (en)
Other versions
EP1200216A1 (fr
Inventor
Hans-Herbert Welker
Uwe STÜRMER
Andreas Kemna
Albrecht Sieber
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.)
Siemens AG
Original Assignee
Siemens 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7913934&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1200216(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1200216A1 publication Critical patent/EP1200216A1/fr
Application granted granted Critical
Publication of EP1200216B1 publication Critical patent/EP1200216B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • 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
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/14—Soft reduction

Definitions

  • the invention relates to methods and a device for Production of a strand from metal by means of a continuous caster, the at least one cooling device for cooling of the strand, with the cooling device at least assigned a reduction framework for reducing the thickness of the strand is, the strand solidified when reducing the thickness Has shell and a liquid core.
  • the object of the invention is a method and a device to carry out the procedure to indicate which one improved soft reduction compared to the prior art, in particular even with varying strand speeds.
  • the object is achieved according to the invention by a method Claim 1 or a device according to claim 10 solved. It is used to manufacture a strand of metal a continuous caster, which has at least one cooling device for cooling the strand, the cooling device at least a reduction framework for reducing the thickness of the strand subordinate, the strand in the thickness reduction a has a solidified shell and a liquid core, and wherein cooling using a temperature and solidification model such, in particular automatically, is set that the Solidification limit between the solidified shell and the liquid Core when the strand enters the reduction frame a predetermined set solidification limit between the solidified Shell and the liquid core corresponds. To this A particularly good soft reduction is achieved in this way.
  • Temperature and solidification models can be, for example analytical model, a neural network or a combination be from an analytical model and a neural network.
  • the temperature and solidification model advantageously sets cooling the strand and the solidification limit between the solidified shell and the liquid core.
  • Such an embodiment of the invention is special Advantage because of the temperature and solidification model the solidification limit between the solidified shell and the liquid core depending on the cooling quantity the cause Effect relationship between cooling and the solidification limit between the solidified shell and the liquid core.
  • the Temperature and solidification model the solidification limit between the solidified shell and the liquid core in dependence from cooling the strand, especially in real time and constantly, determined and the necessary cooling of the Strands in an iterative manner depending on the given Target solidification limit between the solidified shell and the liquid core determined, iterating until the Deviation of those determined with the temperature and solidification model Solidification limit between the solidified shell and the liquid core from the predetermined set solidification limit between the solidified shell and the liquid core is less than a predetermined tolerance value.
  • to determine the necessary cooling of the strand depending from the specified set solidification limit between the solidified shell and the liquid core at least one further size of the sizes strand speed, strand geometry, Strand shell thickness, mold length, time, strand material, Coolant pressure or volume, droplet size of the coolant and coolant temperature used.
  • the sizes strand geometry, strand shell thickness, Time, strand material, coolant pressure or -volume and coolant temperature used is particularly suitable, a particularly precise To achieve cooling of the strand.
  • each reduction device a target solidification limit between the solidified shell and the liquid core of the strand assigned.
  • the effect of the thickness reduction in the temperature and solidification model through the reduction framework especially the location the boundary between the solidified shell and the liquid core modeled.
  • the modeling of the reduction in thickness through the reduction framework by at least one of the quantities reducing power and Degree of reduction.
  • FIG. 1 shows a continuous caster.
  • the cast strand which is a solidified shell 21 within a solidification limit 22 and a liquid Core 2 has.
  • the strand is equipped with drive or guide rollers 4 moves and on its way through cooling devices 5 cooled. These are advantageously as water spray devices educated. For the sake of clarity are not all drive or guide rollers 4 and cooling devices 5 provided with reference numerals. In known methods the cooling devices 5 are divided into cooling segments. This division is new and inventive Procedure not necessary, but can be taken into account.
  • Both the drive rollers 4 and the cooling devices 5 are technically connected to a computing device. in the The present exemplary embodiment are both in terms of data technology connected to one and the same automation device 7.
  • the Automation device 7 optionally also does not have one shown terminal and a keyboard, not shown on.
  • a parent Computing system 8 For continuous casting necessary material, in this case liquid steel fed via a feed device 20.
  • the manipulated variables for the cooling devices 5 are by means of a temperature and Solidification model, i.e. of a thermal model of the strand calculated that in the exemplary embodiment the superordinate computing system 8 is implemented.
  • Reference numerals 9, 10 and 11 denote the cooling device 5 assigned reduction frameworks. These are more advantageous Embodiment of the invention in terms of data technology with the programmable logic controller Controller 7 connected to the automation device 7 the rolling force and the degree of reduction, e.g. in the form of the roll gap.
  • Three reduction frames 9, 10 and 11 are exemplary embodiments intended.
  • a so-called soft reduction is carried out.
  • the strand to be reduced is not soft reduction solidified, but has a liquid core 2 and one solidified shell 21 when it enters a reduction framework.
  • the strand 1 only a soft reduction in the reduction frames 9 and 10 are provided.
  • Cooling with the cooling devices 5 is set by means of the automation device 7 such that the solidification limit 22 between the solidified shell 21st and the liquid core 2 of the strand 1 when entering the Reduction frameworks 9 and 10 of a desired set solidification limit between the liquid core 2 and the solidified Shell 21 corresponds.
  • the reduction framework 9 is particularly advantageous arranged within the cooling section, i.e. there are before and 9 cooling devices 5 are provided behind the reduction frame. In a further advantageous manner, 10 cooling devices also behind the second reduction frame provided.
  • the cooling device 9 is advantageously not arranged in the bend of strand 1 like this 1 is indicated for reasons of clarity, but before the bend of the strand or behind the bend of the Stranges 1 arranged.
  • the solidification limits e i in the strand are determined in the temperature and solidification model 13 from a given cooling of the strand k i by means of the temperature and solidification model 13.
  • This solidification limit e i is compared in a comparator 14 with the set solidification limit e 0 in the strand.
  • the comparator 14 asks whether
  • the function block 12 determines a new proposal k i for improved cooling of the strand.
  • a value for the cooling is used as the initial value for the iteration, which has proven to be a tried-and-tested average over the long term. If the magnitude of the difference between e i and e 0 is less than or equal to the tolerance value ⁇ e max , the setpoint k 0 for cooling the strand is set equal to the value k i with a set cooling setting 15.
  • the values e i , e 0 , ⁇ e max , k i , k 0 are not necessarily scalars, but column matrices with one or more values.
  • B the column matrix k 0, the various actuating or command variables for the cooling devices 5 of the individual cooling segments 6 of a strand cooling system or the column matrix e 0 , the set solidification limits at different points on the strand.
  • the iteration circuit shown in FIG. 2 takes place on the basis of genetic algorithms. This is particularly useful when k i or k 0 are column matrices with many elements.
  • the temperature and solidification model 13 can be implemented both as a one-dimensional model and as a two-dimensional model.
  • the thermal conduction equation forms the basis of the temperature and solidification model, shown here for the two-dimensional case represents that for the temperature and solidification model 13 in differential form, ie in the form is used.
  • T is the temperature
  • t is the time
  • a is the temperature conductivity.
  • x and y are the two-dimensional spatial coordinates.
  • the cross section of the strand skin is divided into small rectangles Size ⁇ x times ⁇ y divided and the temperature is in small Time steps ⁇ t calculated.
  • the temperature at Entry into the mold in all rectangles
  • the manifold temperature of the steel is assumed that the temperature at Entry into the mold (in all rectangles) the manifold temperature of the steel.
  • T U equates to the temperature of the cooling water in the mold.
  • T U is equated to the temperature of the coolant and ⁇ is, for example, according to calculated, where V is the coolant volume in l / m 2 min. V can be specified differently for each point on the strand surface, which means that the model can also be used to describe nozzle characteristics.
  • the solidification limits e i in the strand are determined in the temperature and solidification model 13 from a given cooling of the strand by means of the temperature and solidification model 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Claims (10)

  1. Procédé de production d'une barre (1) en métal au moyen d'une installation de coulée continue qui comprend au moins un dispositif (5) de refroidissement destiné à refroidir la barre (1), au moins une cage (9, 10, 11) de réduction destinée à réduire l'épaisseur de la barre (1) étant associée au dispositif (5) de refroidissement, la barre (1) comprenant lors de la réduction d'épaisseur une enveloppe (21) solidifiée et un coeur (2) liquide,
       caractérisé en ce que l'on règle le refroidissement au moyen d'un modèle (13) de température et de solidification de manière à ce que la limite (22) de solidification entre l'enveloppe (21) solidifiée et le coeur (2) liquide corresponde, lors de l'entrée de la barre (1) dans la cage (9, 10, 11) de réduction, à une limite de solidification de consigne donnée à l'avance entre l'enveloppe (21) solidifiée et le coeur (2) liquide.
  2. Procédé suivant la revendication 1, caractérisé en ce que l'on détermine, notamment en temps réel et en permanence par le modèle (13) de température et de solidification, la limite (22) de solidification entre l'enveloppe (21) solidifiée et le coeur (2) liquide en fonction du refroidissement de la barre (1) et en ce que l'on définit le refroidissement nécessaire de la barre (1) de façon itérative en fonction de la limite (e0) de solidification de consigne donnée à l'avance entre l'enveloppe (21) solidifiée et le coeur (2) liquide, en réitérant l'itération jusqu'à ce que l'écart de la limite (ei) de solidification déterminée par le modèle (13) de température et de solidification entre l'enveloppe (21) solidifiée et le coeur (2) liquide à la limite (ei) de solidification de consigne donnée à l'avance entre l'enveloppe (21) solidifiée et le coeur (2) liquide soit inférieur à une valeur de tolérance donnée à l'avance.
  3. Procédé suivant la revendication 1 ou 2, caractérisé en ce que, pour définir le refroidissement nécessaire de la barre (1) en fonction de la limite de solidification de consigne donnée à l'avance entre l'enveloppe (21) solidifiée et le coeur (2) liquide, on utilise au moins une autre grandeur choisie parmi la vitesse de la barre, la géométrie de la barre, l'épaisseur de peau de la barre, la longueur de la lingotière, la durée, le matériau de la barre, la pression moyenne de refroidissement ou le volume moyen de refroidissement, la dimension des gouttelettes du fluide de refroidissement et la température du fluide de refroidissement.
  4. Procédé suivant l'une des revendications 1, 2 ou 3, caractérisé en ce que, pour définir le refroidissement nécessaire de la barre (1) en fonction de la limite (22) de solidification entre l'enveloppe (21) solidifiée et le coeur (2) liquide, on utilise également les grandeurs telles que la géométrie de la barre, l'épaisseur de la peau de la barre, la durée, la matière de la barre, la pression du fluide de refroidissement ou le volume du fluide de refroidissement et la température du fluide de refroidissement.
  5. Procédé suivant la revendication 1, 2, 3 ou 4, dans lequel il est monté, en aval du dispositif (5) de refroidissement, au moins deux cages (9, 10, 11) de réduction, caractérisé en ce que l'on associe à au moins deux cages (9, 10, 11) de réduction une limite de solidification de consigne entre l'enveloppe (21) solidifiée et le coeur (2) liquide de la barre (1) lors de l'entrée dans la cage (9, 10, 11) respective de réduction.
  6. Procédé suivant la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que l'on tient compte, dans le modèle (13) de température et de solidification, de l'effet de la réduction d'épaisseur par la cage (9, 10, 11) de réduction, notamment de la position de la limite (22) de solidification entre l'enveloppe (21) solidifiée et le coeur (2) liquide.
  7. Procédé suivant la revendication 5, caractérisé en ce que l'on effectue la modélisation de la réduction d'épaisseur par la cage (9, 10, 11) de réduction par au moins l'une des grandeurs que sont la force de réduction et le degré de réduction d'épaisseur.
  8. Procédé suivant l'une des revendications précédentes, caractérisé en ce que l'on mesure au moins l'une des grandeurs que sont la force de réduction et le degré de réduction dans la cage (9, 10, 11) de réduction et on les utilise pour adapter le modèle (13) de température et de solidification.
  9. Procédé suivant la revendication 8, caractérisé en ce que l'on mesure les grandeurs que sont la force de réduction et le degré de réduction dans la cage (9, 10, 11) de réduction et on les utilise pour adapter le modèle (13) de température et de solidification.
  10. Installation de coulée continue pour produire une barre (1), notamment par un procédé suivant l'une des revendications précédentes, dans laquelle l'installation de coulée continue comprend au moins un dispositif (5) de refroidissement destiné à refroidir la barre (1) et au moins une cage (9, 10, 11) associée de réduction destinée à réduire l'épaisseur de la barre (1), ainsi qu'une unité de calcul destinée à commander le refroidissement de la barre au moyen du dispositif (5) de refroidissement,
       caractérisée en ce qu'il est mis en oeuvre sur le dispositif de calcul un modèle (13) de température et de solidification pour un réglage tel de la limite (22) de solidification entre une enveloppe (21) solidifiée et un coeur (2) liquide de la barre (1) lors de l'entrée de la barre (1) dans la cage (9, 10, 11) de réduction que la limite (22) de solidification corresponde à une limite de solidification de consigne donnée à l'avance entre l'enveloppe (21) solidifiée et le coeur (2) liquide.
EP00951251A 1999-07-07 2000-06-29 Procede et dispositif de fabrication d'un brin metallique Expired - Lifetime EP1200216B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19931331A DE19931331A1 (de) 1999-07-07 1999-07-07 Verfahren und Einrichtung zum Herstellen eines Stranges aus Metall
DE19931331 1999-07-07
PCT/DE2000/002117 WO2001003867A1 (fr) 1999-07-07 2000-06-29 Procede et dispositif de fabrication d'un brin metallique

Publications (2)

Publication Number Publication Date
EP1200216A1 EP1200216A1 (fr) 2002-05-02
EP1200216B1 true EP1200216B1 (fr) 2002-12-11

Family

ID=7913934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00951251A Expired - Lifetime EP1200216B1 (fr) 1999-07-07 2000-06-29 Procede et dispositif de fabrication d'un brin metallique

Country Status (6)

Country Link
US (1) US6880616B1 (fr)
EP (1) EP1200216B1 (fr)
AT (1) ATE229392T1 (fr)
DE (2) DE19931331A1 (fr)
RU (1) RU2245214C2 (fr)
WO (1) WO2001003867A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2349612B2 (fr) † 2008-11-20 2020-11-04 Primetals Technologies Austria GmbH Procédé et installation de coulée continue pour la production de brames épaisses

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE283742T1 (de) * 2001-06-01 2004-12-15 Sms Demag Ag Verfahren zum einstellen der dynamischen soft reduction an stranggiessmaschinen
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
DE102006056683A1 (de) * 2006-01-11 2007-07-12 Sms Demag Ag Verfahren und Vorrichtung zum Stranggießen
US20090084517A1 (en) * 2007-05-07 2009-04-02 Thomas Brian G Cooling control system for continuous casting of metal
DE102007058109A1 (de) * 2007-12-03 2009-06-04 Sms Demag Ag Vorrichtung zur Steuerung oder Regelung einer Temperatur
DE102009010034A1 (de) * 2009-02-21 2010-09-23 Actech Gmbh Verfahren und Gießanlage zur gerichteten Erstarrung eines Gusskörpers aus Aluminium oder einer Aluminiumlegierung
JP5476959B2 (ja) * 2009-12-08 2014-04-23 Ｊｆｅスチール株式会社 軽圧下連続鋳造方法
PL2543454T3 (pl) * 2011-07-08 2020-02-28 Primetals Technologies Germany Gmbh Sposób i urządzenie do wytwarzania długich wyrobów stalowych w odlewaniu ciągłym
RU2494834C1 (ru) * 2012-06-27 2013-10-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ непрерывного литья заготовок
RU2564192C1 (ru) * 2014-04-02 2015-09-27 Открытое акционерное общество "Уральский завод тяжелого машиностроения" Способ мягкого обжатия непрерывнолитой заготовки
WO2015174395A1 (fr) * 2014-05-14 2015-11-19 新日鐵住金株式会社 Procédé de coulée continue de brame
AT519277A1 (de) * 2016-11-03 2018-05-15 Primetals Technologies Austria GmbH Gieß-Walz-Verbundanlage
EP3338914A1 (fr) 2016-12-22 2018-06-27 Primetals Technologies Austria GmbH Procede de fabrication de bandes bobinees sans fin laminees a chaud dans une installation combinee de coulee et de laminage, procede de demarrage d'une installation combinee de coulee et de laminage et installation combinee de coulee et de laminage
DE102017213842A1 (de) * 2017-08-08 2019-02-14 Sms Group Gmbh Verfahren und Anlage zum Stranggießen eines metallischen Produkts
DE102018216529A1 (de) * 2018-09-27 2020-04-02 Sms Group Gmbh Verfahren und Anlage zum Stranggießen eines metallischen Produkts
CN109500371A (zh) * 2018-12-20 2019-03-22 南京钢铁股份有限公司 一种板坯动态二冷和轻压下控制系统
CN110508765A (zh) * 2019-09-09 2019-11-29 东北大学 一种有利于消除芯部缺陷的大方坯连铸制造方法
CN111360221B (zh) * 2020-04-03 2021-05-25 中天钢铁集团有限公司 280mm×320mm断面高碳钢消除中心缩孔及控制中心偏析的方法
CN113695548B (zh) * 2021-08-26 2023-01-31 宝武杰富意特殊钢有限公司 一种连铸小方坯的生产工艺及连铸小方坯

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422777B2 (fr) 1973-09-17 1979-08-09
DE3818077A1 (de) * 1988-05-25 1989-11-30 Mannesmann Ag Verfahren zum kontinuierlichen giesswalzen
US5488987A (en) * 1991-10-31 1996-02-06 Danieli & C. Officine Meccaniche Spa Method for the controlled pre-rolling of thin slabs leaving a continuous casting plant, and relative device
AT408197B (de) * 1993-05-24 2001-09-25 Voest Alpine Ind Anlagen Verfahren zum stranggiessen eines metallstranges
DE19508476A1 (de) * 1995-03-09 1996-09-12 Siemens Ag Leitsystem für eine Anlage der Grundstoff- oder der verarbeitenden Industrie o. ä.
US5734329A (en) 1995-07-13 1998-03-31 Dell Usa L.P. Method and apparatus for superimposing self-clocking multifunctional communications on a static digital signal line
AT410875B (de) 1996-01-10 2003-08-25 Frequentis Nachrichtentechnik Gmbh Verfahren und anlage zur übertragung von daten
DE19612420C2 (de) * 1996-03-28 2000-06-29 Siemens Ag Verfahren und Einrichtung zur Steuerung der Kühlung eines Stranges in einer Stranggießanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2349612B2 (fr) † 2008-11-20 2020-11-04 Primetals Technologies Austria GmbH Procédé et installation de coulée continue pour la production de brames épaisses

Also Published As

Publication number Publication date
DE19931331A1 (de) 2001-01-18
DE50000941D1 (de) 2003-01-23
EP1200216A1 (fr) 2002-05-02
US6880616B1 (en) 2005-04-19
ATE229392T1 (de) 2002-12-15
RU2245214C2 (ru) 2005-01-27
WO2001003867A1 (fr) 2001-01-18

Similar Documents

Publication Publication Date Title
EP1200216B1 (fr) Procede et dispositif de fabrication d'un brin metallique
DE19612420C2 (de) Verfahren und Einrichtung zur Steuerung der Kühlung eines Stranges in einer Stranggießanlage
EP0813701B1 (fr) Systeme de gestion pour installations de l'industrie primaire ou de l'industrie manufacturiere
EP2346631B1 (fr) Procédé et dispositif de commande de la solidification d'une barre de coulée dans une installation de coulée continue lors de la mise en marche du processus de coulée
DE2252722A1 (de) Verfahren und vorrichtung zum direkten kuehlen einer kontinuierlich gewalzten stange
EP2279052B1 (fr) Procédé de coulée continue d'une barre métallique
EP3184202A1 (fr) Procédé de coulée continue d'une barre métallique et barre métallique ainsi obtenue selon ledit procédé
AT408197B (de) Verfahren zum stranggiessen eines metallstranges
EP3733323B1 (fr) Procédé et installation de coulée en continu d'une barre de coulée
EP1601479A1 (fr) Installation de coulee continue et de laminage pour produire un feuillard d'acier
EP0732979B1 (fr) Installation de coulee continue et de laminage pour bandes d'acier et systeme de reglage connexe
EP1448330B1 (fr) Procede de coulee continue
DE102020209794A1 (de) Verfahren zur Steuerung oder Regelung der Temperatur eines Gießstrangs in einer Stranggießanlage
WO2004048016A2 (fr) Procede et dispositif pour la coulee continue de barres de brames, de brames fines, de blooms, d'ebauches, de billettes et similaires a partir de metal liquide, notamment de materiaux d'acier
DE3440235C2 (de) Verfahren und Vorrichtung zum Bandstranggießen von Metallen, insbesondere von Stahl
AT518450B1 (de) Verfahren und Kühleinrichtung zum Kühlen eines metallischen Strangs
EP3934822B1 (fr) Procédé de fabrication d'une bande ou feuille métallique
EP2804708A1 (fr) Modélisation d'une installation de coulée en continu
DE69000282T2 (de) Verfahren und vorrichtung zur herstellung von duennen metallprodukten mittels strangguss.
AT403351B (de) Verfahren zum stranggiessen eines metallstranges
EP3944910A1 (fr) Procédé de fabrication d'une barre de coulée dans une installation de coulée continue
EP3744440A1 (fr) Procédé et dispositif de coulée continue
EP1046443A1 (fr) Procédé et dispositif d'obtention d'un ingot metallique
WO1990011150A1 (fr) Procede de regulation de la coulee continue d'acier

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20011203

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 20020618

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE FI GB IT

REF Corresponds to:

Ref document number: 229392

Country of ref document: AT

Date of ref document: 20021215

Kind code of ref document: T

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50000941

Country of ref document: DE

Date of ref document: 20030123

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20030315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

Ref document number: 1200216E

Country of ref document: IE

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

26 Opposition filed

Opponent name: SMS DEMAG AG

Effective date: 20030908

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20080214

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120618

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120626

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20130613

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 50000941

Country of ref document: DE

Effective date: 20130814

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20130710

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R085

Ref document number: 50000941

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130629

REG Reference to a national code

Ref country code: DE

Ref legal event code: R085

Ref document number: 50000941

Country of ref document: DE

Effective date: 20140214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140629

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50000941

Country of ref document: DE

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: PC

Ref document number: 229392

Country of ref document: AT

Kind code of ref document: T

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Effective date: 20170227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140630

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20170622

Year of fee payment: 18

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 229392

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180629

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20190619

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50000941

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50000941

Country of ref document: DE

Owner name: PRIMETALS TECHNOLOGIES GERMANY GMBH, DE

Free format text: FORMER OWNER: PRIMETALS TECHNOLOGIES GERMANY GMBH, 91052 ERLANGEN, DE