EP3507030A1 - Installation de production pouvant fonctionner en continu et procédé permettant de faire fonctionner une installation de production en cas de défaillance - Google Patents

Installation de production pouvant fonctionner en continu et procédé permettant de faire fonctionner une installation de production en cas de défaillance

Info

Publication number
EP3507030A1
EP3507030A1 EP17755503.4A EP17755503A EP3507030A1 EP 3507030 A1 EP3507030 A1 EP 3507030A1 EP 17755503 A EP17755503 A EP 17755503A EP 3507030 A1 EP3507030 A1 EP 3507030A1
Authority
EP
European Patent Office
Prior art keywords
slab
hearth furnace
roller hearth
belt
production plant
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
EP17755503.4A
Other languages
German (de)
English (en)
Other versions
EP3507030B1 (fr
Inventor
Christoph Klein
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 Group GmbH
Original Assignee
SMS Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59686958&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3507030(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3507030A1 publication Critical patent/EP3507030A1/fr
Application granted granted Critical
Publication of EP3507030B1 publication Critical patent/EP3507030B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/004—Transverse moving

Definitions

  • the invention is directed to a production plant, the series in a roller hearth furnace upstream Dünnbrammenstrangg matterstrom, the cast strand or at least one separated part of the casting length receiving roller hearth furnace and the heated or kept in the roller hearth furnace cast strand or the at least one of them separated part length ausalzende, the Roller hearth furnace downstream rolling mill with associated coiler comprises.
  • the invention is directed to a method for operating such a production plant.
  • Production plants which include in their production line in series a thin slab caster and a roller hearth furnace and a subsequent rolling mill with associated coiler, are known as thin slab thin-strip caster under the name CSP plants or under the name CEM (Compact Endless Cast & Rolling Mill) .
  • CSP plants or under the name CEM (Compact Endless Cast & Rolling Mill)
  • Such systems can be operated in continuous operation, in which a continuous production of the rolled metal strip takes place. In this continuous operation, the cast thin slab is then fed continuously to the roller hearth furnace and the rolling train.
  • the problem with the continuous operation is that this is a "rigid" connection between continuous casting and rolling mill, the temperature in the entire system, especially in the finishing mill in the continuous process depending on the casting speed can not always be kept at the necessary level.
  • Such systems have therefore also been further developed so that with them a batch operation is possible, in which by separation of the cast thin slab decoupling between the casting / caster and the rolling mill and thus a discontinuous
  • Such a production plant is known from DE 10 2008 020 412 A1.
  • this plant also already has two slab or belt separation devices and one kiln ferry system.
  • the thin slab casting strand is first fed to a first rolling stand of the rolling train, which is then followed by a first slab or strip separating device.
  • the task of the furnace is to heat the slab after the cut and to equalize the temperature of the slab.
  • the slab is drawn into the mill at a higher speed than the casting speed.
  • a Ofenfährensystem followed by a roller hearth furnace with a downstream second slab or belt separating device, which is arranged upstream of a second scaffolding group of the rolling train.
  • the invention is the object of the invention to provide a solution that makes it possible to operate in a continuous operation Thin slab caster to provide a slab buffer capacity in the event of an accident causing a stoppage of slab or belt transport. This object is achieved by a production plant according to claim 1 and a method according to claim 3.
  • a production plant which in series a roller hearth furnace upstream Dünnbrammenstranggkenstrom, the cast strand or at least one separated part of the cast strand receiving roller hearth furnace and the heated or kept in the roller hearth furnace cast strand or the at least one part of which separated ausselende, the roller hearth furnace downstream Rolling mill with associated coiler plant, wherein the continuous casting and the rolling mill are operable in an endless operating mode, and wherein the outlet side of the roller hearth furnace laterally arranged to the roller hearth furnace Ofenfumblerensystem assigned and the rolling mill a first scaffolding group and a second spaced scaffolding group with a between first and second scaffold group arranged heating device, in particular induction heating, and wherein further in the slab inlet direction upstream of the Rollenhe rdofen a first slab or belt separating device, in particular a belt scissors, preferably a pendulum scissors arranged and arranged in the slab outlet direction downstream of the roller hearth furnace and in front of the first scaffolding
  • the production plant according to the invention is characterized by the arrangement and positioning of four slab or belt separating devices, in front of the roller hearth furnace, in the roller hearth furnace, after the roller hearth furnace and before the first stand of the rolling train and after the first stand of the rolling train and before the second stand of the rolling train are arranged.
  • four slab or belt separating devices namely the first and the fourth slab and belt separating device are designed as belt shears, so that here scrap particles to be disposed of can be cut.
  • the other two, namely the second and the third slab or belt separating device are, however, designed as a flame cutting device, so that here between the remaining slab pieces a gap is cut, which then allows the remaining Branceeillengths oscillating in the roller hearth furnace during the accident period to drive back and forth.
  • the arrangement of the four slab or belt separating devices at defined positions and their activation is important at first Standstill of the conveyor or belt transport during an accident in the production plant.
  • the invention provides that the kiln ferry system is associated with a roller conveyor with subsequent stacking device.
  • the kiln ferry system is associated with a roller conveyor with subsequent stacking device.
  • the method according to the invention provides in an embodiment that, when a maximum permissible slab deposit time is exceeded, the cut partial lengths are discharged laterally out of the roller hearth furnace by means of the kiln ferry system and fed via the associated roller conveyor to the subsequent stacking device.
  • a further advantageous embodiment of the method according to the invention is characterized in that cut scrap pieces with the first and fourth slab or belt separating device and these are removed from the production line of the production plant.
  • the method according to the invention is also distinguished by the fact that pieces of such a length are cut out of the thin slab or of at least one part length or strip separated therefrom by means of the second and third slab or strip separating device, that the respective remaining part lengths of the thin slab during the duration of the accident in the roller hearth furnace oscillating back and forth can be driven.
  • FIG. 1 shows a schematic representation of the arrangement of various production plant parts in the production line of the production plant according to the invention.
  • the FIGURE shows a schematic side view of a trained as cast rolling mill production plant comprising a thin slab continuous casting or thin slab continuous casting machine 1, in which a casting strand 1 a is produced, a roller hearth furnace 2 and a rolling mill 3 with associated ancillary facilities.
  • These devices of the thin slab continuous casting machine or thin slab continuous casting machine 1 are arranged in series one after the other and form the production line of the continuous slab caster or machine 1.
  • a distributor vessel 4 is fed from a ladle 1 to which a continuous casting mold 5, a support roller frame 6 with a bending unit 7 and a straightening machine are arranged downstream.
  • a first slab or belt separator 10 is arranged upstream of the roller hearth furnace 2 in the slab running direction. This arranged behind the casting machine 1 and before the roller hearth furnace 2 first slab or belt separator 10 is designed as pendulum scissors.
  • the rolling train 3 begins after a second slab or belt separating device 14, which is arranged downstream in the direction of slab after the roller hearth furnace 2 and in front of a first scaffolding group 12 of the rolling mill 3 and formed as a flame cutting device or flame cutting device.
  • the first stand group 12 of the rolling train 3 which also has a second stand group 13 spaced from the first stand group 12 and a heating device 18, in particular induction heating, arranged between the first and second stand group 12, 13 Rolling stands of the second stand group 13 arranged in a conventional manner a separator 19, a cooling section 20 and two coiling machines 21.
  • a second slab or belt separating device 14 which is arranged downstream in the direction of slab after the roller hearth furnace 2 and in front of a first scaffolding group 12 of the rolling mill 3 and formed as a flame cutting device or flame cutting device.
  • the first stand group 12 of the rolling train 3 which also has a second stand group 13 spaced from the first stand group 12 and a heating device 18, in particular induction heating, arranged between the first and second stand
  • the cast strand 1 a or at least one of them separated part length receiving roller hearth furnace 2 is divided into three equal sections 2a, 2b and 2c and designed for receiving a desired thin slab length or a separated part of the casting strand 1 a.
  • the outlet side of the roller hearth furnace 2 is associated with a laterally arranged to this Ofenfährsystem 15, which comprises a furnace ferry 16 in the last third of the length of the roller hearth furnace 2, by means of which separated in the roller hearth furnace 2 partial lengths of a thin slab can be discharged laterally from the roller hearth furnace 2.
  • a third slab or belt separating device 17 is arranged in the outlet region of the roller hearth furnace 2 in front of a longitudinal section of the roller hearth furnace 2 corresponding preferably to at least approximately the longitudinal extent of the kiln ferry 16.
  • This third slab or belt separating device 17 is likewise designed as a flame cutting device or flame cutting device and arranged in front of the furnace ferry 16 in the rear region of the roller hearth furnace 2, viewed in the transport direction of the roller hearth furnace 2 or slab or belt running direction.
  • the kiln transport system 15 is associated with a roller conveyor 22 with subsequent stacking device 23.
  • a fourth slab or strip separating device 24 is in the strip running direction on the outlet side of the first stand group 12 of the rolling mill 3 before entering the Heating device 18 is arranged.
  • This fourth Brannnnen- or belt separating device 24 is designed as a drum shears.
  • the production plant is used for endless rolling or batch rolling by casting of liquid metal, in particular of liquid steel, to the casting strand 1 a, which is divided after its solidification in the first slab or belt separator 10 in G confusestrang part lengths and in the roller hearth furnace second is transported.
  • the respective G fauxstrang part length is heated in the roller hearth furnace 2, uniformized in temperature and brought to rolling temperature for rolling in the rolling mill 3. During this time, continuous casting continues without interruption.
  • the first to fourth slab or belt separator 10, 14, 17, 24 are available and allow in their interaction the use of the roller hearth furnace 2 as slabs buffer capacity. If, in the event of a fault, the thin slab separated as a partial length from the cast strand 1a is stopped, all four (first to fourth) slab or strip separating devices 10, 14, 17 and 24 are activated and the thin slab is moved to four, in each case the position of a slab. or band separator corresponding positions separated.
  • the first and fourth, each designed as a band scissors slab or belt separating device 10, 24 each cut a piece of scrap, which is then disposed of via the scrap removal.
  • each formed as a flame cutting device second and third slab or belt separator 14, 17 a gap between the respective head and end of the slab pieces, so that these pieces of slab for a while in the roller hearth furnace 2 oscillating back and forth can be driven.
  • a gap between the respective head and end of the slab pieces, so that these pieces of slab for a while in the roller hearth furnace 2 oscillating back and forth can be driven.
  • the second slab or belt separating device 14 designed as a flame cutting device, it is avoided in any case that a slab piece greater than a simple slab length must be fed to the rolling train 3. It is necessary to avoid this since the high-speed scissors (separating device 19) arranged in front of the reel or the coiler 21 are designed for continuous operation with strip thicknesses ⁇ 4.0 mm. In the case of disposal of an overlong slab from the roller hearth furnace 2, these scissors would have to be activated to cut to coil length. The limitation to a maximum strip thickness of 4.0 mm can not be guaranteed after an accident.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne une installation de production qui comprend dans cet ordre une installation de coulée continue de brames minces (1) montée en amont d'un four à rouleaux (2), ledit four à rouleaux (2), et un train de laminage (3) monté en aval du four à rouleaux (2) et muni d'un système d'enroulement associé (21), l'installation de coulée continue (1) et le train de laminage (3) pouvant fonctionner dans un mode continu. L'invention vise à proposer une solution qui permette de disposer d'un tampon de brames en cas de défaillance entraînant un arrêt du transport des brames ou des bandes dans l'installation de coulée de brames minces fonctionnant en mode continu. Cet objectif est atteint en ce que l'installation de production présente quatre dispositif de séparation (10, 14, 17, 24) des brames ou des bandes qui sont agencés en amont et en aval du four à rouleaux (2) dans une section longitudinale du four à rouleaux (2) et côté sortie d'un premier groupe de cages (12) du train de laminage (3).
EP17755503.4A 2016-09-05 2017-08-22 Installation de production pouvant fonctionner en continu et procédé permettant de faire fonctionner une installation de production en cas de défaillance Active EP3507030B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016216727.8A DE102016216727A1 (de) 2016-09-05 2016-09-05 Im Endlosbetrieb betreibbare Produktionsanlage und Verfahren zum Betrieb der Produktionsanlage im Störfall
PCT/EP2017/071087 WO2018041661A1 (fr) 2016-09-05 2017-08-22 Installation de production pouvant fonctionner en continu et procédé permettant de faire fonctionner une installation de production en cas de défaillance

Publications (2)

Publication Number Publication Date
EP3507030A1 true EP3507030A1 (fr) 2019-07-10
EP3507030B1 EP3507030B1 (fr) 2020-05-20

Family

ID=59686958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17755503.4A Active EP3507030B1 (fr) 2016-09-05 2017-08-22 Installation de production pouvant fonctionner en continu et procédé permettant de faire fonctionner une installation de production en cas de défaillance

Country Status (6)

Country Link
US (1) US20210283668A1 (fr)
EP (1) EP3507030B1 (fr)
JP (1) JP6764523B2 (fr)
CN (1) CN109641249B (fr)
DE (1) DE102016216727A1 (fr)
WO (1) WO2018041661A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108296711A (zh) * 2018-01-22 2018-07-20 中国重型机械研究院股份公司 一种带钢精整机组中剖带钢单卷取工艺及其控制方法
IT201800004170A1 (it) * 2018-04-03 2019-10-03 Impianto di colata continua e laminazione per la produzione di prodotti metallurgici
DE102019207459A1 (de) * 2018-05-23 2019-11-28 Sms Group Gmbh Gieß-Walzanlage für den Batch- und Endlosbetrieb
JP7079741B2 (ja) * 2019-01-30 2022-06-02 住友理工株式会社 電子写真機器用帯電ロール
CN110102729B (zh) * 2019-05-24 2022-03-08 山东钢铁股份有限公司 一种连铸高合金模具钢圆坯的快速热送装置及热送方法
EP4155007A4 (fr) * 2020-05-22 2024-02-28 Toshiba Mitsubishi-Electric Industrial Systems Corporation Dispositif de commande de position de coupe
CN111872120B (zh) * 2020-07-15 2021-03-19 燕山大学 板带多模式连铸连轧控制方法
WO2023148635A1 (fr) * 2022-02-02 2023-08-10 Danieli & C. Officine Meccaniche S.P.A. Agencement et procédé pour la construction d'une aciérie et aciérie associée

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Also Published As

Publication number Publication date
JP2019524451A (ja) 2019-09-05
CN109641249A (zh) 2019-04-16
US20210283668A1 (en) 2021-09-16
WO2018041661A1 (fr) 2018-03-08
CN109641249B (zh) 2021-01-15
DE102016216727A1 (de) 2018-03-08
EP3507030B1 (fr) 2020-05-20
JP6764523B2 (ja) 2020-09-30

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