EP0592482B1 - Four de stockage intermediaire monte en aval d'une installation de coulee de brames minces - Google Patents

Four de stockage intermediaire monte en aval d'une installation de coulee de brames minces Download PDF

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Publication number
EP0592482B1
EP0592482B1 EP92912943A EP92912943A EP0592482B1 EP 0592482 B1 EP0592482 B1 EP 0592482B1 EP 92912943 A EP92912943 A EP 92912943A EP 92912943 A EP92912943 A EP 92912943A EP 0592482 B1 EP0592482 B1 EP 0592482B1
Authority
EP
European Patent Office
Prior art keywords
furnace
pallet
carriages
rolling mill
oven
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.)
Revoked
Application number
EP92912943A
Other languages
German (de)
English (en)
Other versions
EP0592482A1 (fr
Inventor
Ernst Windhaus
Bernard Seiler
Peter Meyer
Peter Erwig
Horst Wolfgang Mathejka
Heinrich Patalon
Peter Holz
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.)
Didier Ofu Engineering GmbH
Vodafone GmbH
Original Assignee
Didier Ofu Engineering GmbH
Mannesmann 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=6435022&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0592482(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Didier Ofu Engineering GmbH, Mannesmann AG filed Critical Didier Ofu Engineering GmbH
Publication of EP0592482A1 publication Critical patent/EP0592482A1/fr
Application granted granted Critical
Publication of EP0592482B1 publication Critical patent/EP0592482B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • B21B1/466—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 non-continuous process, i.e. the cast being cut before rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5184—Casting and working

Definitions

  • the invention relates to a furnace system as a buffer between the thornless winding device downstream of a thin slab casting system for the strip-shaped cast strand and its unwinding device corresponding to the subsequent rolling mill.
  • the prior art thus tries to solve the problem of inline rolling of starting material continuously emerging from the continuous casting plant.
  • the difficulties lie in the fact that the maximum casting speed at which the strand leaves the continuous casting installation is much lower than the lowest possible rolling speed of a conventional roll stand.
  • the problem can be compensated if the cast strand is wound up into a bundle, cut off in the desired length, and the wound bundle is then unwound again for introduction into the rolling mill. This makes it possible to maintain different speeds by creating a buffer zone between the continuous caster and the rolling mill.
  • the object of the present invention is to provide a furnace system between the winding and unwinding device of the cast strand, with which, in addition to good heat management for the casting material, reheating of the bundles is possible and which creates a large storage capacity in front of the downstream rolling mill.
  • the furnace system is characterized by the combination of the features according to claim 1.
  • a transport device for the cast strand bundles is created in which the risk of the bundles being deformed by means of transport is very low, as far as these are securely guided in receiving saddles. There is hardly any heat flow from the cast strand bundle to the transport system because the receiving saddles are made of a low heat-conductive material, for example ceramic. This does not result in the cooling of bundle segments, which is not permitted for further processing of the bundles.
  • a particular advantage of the invention is that the pallet system and the need to return the pallets, the latter can also carry the gun strand bundles in the return region, so that in addition to the actual furnace, the return region of the pallets can also be used as an intermediate store for the cast strand bundles . Since the pallet circulation system forms a closed circuit, the bundles stored in the return area can be reinserted in the furnace until the subsequent rolling mill is ready for operation again.
  • the transverse displacement of the pallet wagons they can be pushed onto transfer wagons, which in turn can be moved on roadways transverse to the lane of the pallet wagons.
  • the pallet wagons and the transversely transporting transfer wagons can preferably be moved on rails.
  • the transfer trolleys represent the cross-connection between the unwinding or winding station and the furnace and the return area of the pallet trolleys.
  • a manipulation device that grips the collar is provided, which can be moved between the winding or unwinding device and the pallet truck.
  • the wound cast strand bundle which is cut off in accordance with the bundle weight, is gripped with the aid of the manipulation device and lifted out of the winding device.
  • the area of the furnace system provided for returning the pallet car is installed.
  • the return path or rail for the pallets, which runs to the side of the furnace, is, for example, provided with a heat hood according to this proposal, so that Cast strand bundles that cannot be taken over by the rolling mill or the unwinder can be stored there.
  • the housing is also important for the return of empty pallet trolleys because it prevents the receiving saddles from cooling down for the bundles.
  • the housing is insulated and / or heatable according to the invention.
  • the furnace is preferably arranged in line with the rolling mill and a transport path is provided on both sides of the furnace for returning the pallet carts.
  • the furnace and the rolling mill can be arranged in a line; the pallet trolleys are returned in the bypass.
  • an arrangement can be chosen as with multi-strand plants, which enables later expansion to a 2-strand plant.
  • FIG. 1 denotes the thin slab caster, which is a forming unit. a pendulum shear and the start-up line pulling device follow.
  • the winding device for the band-shaped cast strand 4 which is affected by the invention, is designated by 2.
  • This winding device 2 works without a mandrel, it is arranged in a housing 3, which prevents the casting strand 4 from cooling. The winding station can be heated.
  • the thin slab caster 1 shown in the exemplary embodiment has two lines; since the same parts are labeled the same, only one strand is referred to here.
  • a manipulation device 5 for the cast strand bundle 6 is provided directly behind the winding device 2 in the direction of belt travel, which can be displaced between the winding device 2 and the transfer carriage 7, which can be moved on rails 8 arranged transversely to the thin slab caster 1.
  • the rails 8 simultaneously connect the winding devices 2 of both thin slab caster 1; two transfer carriages 7 are provided.
  • pallet car 9 are arranged such that the latter can be moved transversely to the rails 8 of the transfer car 7.
  • rails 10 are arranged inside the furnace 11, so that the pallet wagons 9 are pushed into the furnace 11 by the transfer wagons 7 with the help of a pushing device 12 with the furnace doors open can.
  • a plurality of pallet trolleys 9 can be moved one behind the other on the rails 10, the pallet trolleys 9 with their receiving platforms directly adjacent to one another forming the hearth of the furnace 11.
  • a transfer carriage 7 is likewise positioned on the rear part of the furnace 11 and can likewise be moved on a roadway 13 transversely to the thin slab caster 1.
  • both winding devices 2 can transfer their cast strand coils 6 to the furnace 11 after the thin slab caster 1, which, if necessary, transfers the coils 6 to the rolling mill 15 after reheating.
  • the pallet wagons 9 are brought into alignment with the transfer carriages 7 with the carriageways 16 of the return conveyor 17 and, in the same way, only cyclically transported back to the former cross conveyor system 8 in the opposite direction.
  • the invention provides that the pallet trolleys 9 with the cast strand bundles 6 lying thereon are transported into the area of the return conveyor 17 of the furnace system and counter to the direction of flow through the furnace 11 be returned to the first cross conveyor 8. In this way, the bundles 6 can be temporarily stored, the heat hood 18 provided above the return device 17 preventing the bundles 6 from cooling down too much.
  • the former By transversely conveying the pallet carts 9 onto the transfer car 7 of the first cross conveyor 8, the former can again be fed to the furnace 11 and thereby stored in the circuit.
  • the two return conveyors 17 shown in the drawing can be used to store bundles 6, so that long downtimes can also be bridged.
  • a warming hood 19 can be placed over the cast strand bundle 6 in order to protect it from excessive cooling.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

Un four de stockage intermédiaire est placé entre un dispositif d'enroulement sans mandrin (2) de la bande de coulée (4) monté à la suite d'une installation de coulée de brames minces (1) et le dispositif de déroulement (14) correspondant au laminoir (15) monté en aval. Pour que le four monté entre les dispositifs d'enroulement et de déroulement de la ligne de coulée permette, outre un bon transfert de chaleur au matériau coulé, éventuellement aussi de réchauffer les rouleaux de bande (6), et qu'il constitue un four de stockage de grande capacité placé avant le train de laminage, un système de circulation de palettes comprend des chariots à palettes (9) qui peuvent traverser le four (11) de façon cadencée, être transversalement déplacés (8, 13) à l'entrée et à la sortie du four et être latéralement ramenés en arrière (17) sur les côtés du four (11). Les plates-formes immédiatement adjacentes des chariots à palettes (9), qui sont constituées d'un matériau réfractaire, forment la sole du four (11) et sont pourvues d'éléments creux de réception pour les rouleaux (6) de bande coulée en continu, lesdits éléments étant constitués d'un matériau à faible conductivité thermique.

Claims (7)

  1. Four de stockage intermédiaire entre le dispositif d'enroulement (2), sans mandrin, disposé en aval d'une installation de coulée de brames minces (1), pour la pièce de coulée (4) en forme de bande et son dispositif de déroulement (14) correspondant au laminoir suivant,
    caractérisé par un système rotatif à palettes, constitué de chariots à palettes (9) pouvant être transportés périodiquement à travers le four (11), qui peuvent être déplacés transversalement (8,13) à l'entrée et à la sortie du four et peuvent être ramenés (17) latéralement à côté du four, les plates-formes en contact direct l'une de l'autre des chariots à palettes (9), constituées de matière réfractaire, formant la sole du four (11) et étant munies de récepteurs, constitués d'une matière faiblement conductrice de la chaleur, pour les pièces coulées, et en ce que la zone (17) du four, prévue pour ramener les chariots à palettes (9), est logée dans un carter, et en ce que le carter (18) peut être thermiquement isolé et/ou chauffé.
  2. Four selon la revendication 1,
    caractérisé en ce que, pour déplacer transversalement les chariots à palettes (9), ceux-ci peuvent être chargés sur des chariots de transfert (7) lesquels, à leur tour, peuvent être déplacés sur des voies de roulement (8,13) transversalement à la voie de roulement (10) des chariots à palettes.
  3. Four selon les revendications 1 et 2,
    caractérisé en ce que les chariots à palettes et les chariots de transfert peuvent être déplacés sur des rails (8,10,13,16).
  4. Four selon les revendications 1 à 3,
    caractérisé en ce que, pour le transfert des pièces coulées enroulées (6) sur les chariots à palettes (9) et pour transférer les chariots à palettes (9) sur le dispositif de déroulement (14), il est prévu, à chaque fois, un dispositif de manipulation (5) saisissant la pièce (6), dispositif qui est déplaçable entre le dispositif d'enroulement (2) et le dispositif de déroulement (14) et les chariots à palettes (9).
  5. Four selon les revendications 1 à 4,
    caractérisé en ce que, dans le cas d'une installation (1) de coulée de brames minces à plusieurs voies, le four (11) est agencé en ligne avec le laminoir (15) et, des deux côtés du four (11), il est prévu, à chaque fois, une voie de transport (16) pour ramener les chariots à palettes (9).
  6. Four selon les revendications 1 à 4,
    caractérisé en ce que, dans le cas d'une installation (1) de coulée de brames minces à une voie, celle-ci, le four (11) et le laminoir (15) sont agencés en une ligne ou en une forme de Z.
  7. Four selon les revendications 1 à 6,
    caractérisé en ce qu'un capot (19) de maintien de chaleur, recouvrant la pièce de coulée, peut être disposé sur les chariots à palettes chargés sur les chariots de transfert.
EP92912943A 1991-06-26 1992-06-25 Four de stockage intermediaire monte en aval d'une installation de coulee de brames minces Revoked EP0592482B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4121489A DE4121489C2 (de) 1991-06-26 1991-06-26 Ofenanlage als Zwischenspeicher hinter einer Dünnbrammengießanlage
DE4121489 1991-06-26
PCT/DE1992/000527 WO1993000179A1 (fr) 1991-06-26 1992-06-25 Four de stockage intermediaire monte en aval d'une installation de coulee de brames minces

Publications (2)

Publication Number Publication Date
EP0592482A1 EP0592482A1 (fr) 1994-04-20
EP0592482B1 true EP0592482B1 (fr) 1995-08-30

Family

ID=6435022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92912943A Revoked EP0592482B1 (fr) 1991-06-26 1992-06-25 Four de stockage intermediaire monte en aval d'une installation de coulee de brames minces

Country Status (10)

Country Link
US (1) US5548882A (fr)
EP (1) EP0592482B1 (fr)
JP (1) JPH06508889A (fr)
AU (1) AU2151692A (fr)
BR (1) BR9206193A (fr)
CA (1) CA2112233A1 (fr)
DE (2) DE4121489C2 (fr)
RU (1) RU2079391C1 (fr)
TR (1) TR27200A (fr)
WO (1) WO1993000179A1 (fr)

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CN105618481B (zh) * 2016-03-15 2017-04-26 石家庄钢铁有限责任公司 一种连铸坯凸辊余热轧制设备及工艺
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ES2878048T3 (es) 2016-10-27 2021-11-18 Novelis Inc Método de colada y laminación de aleación de aluminio y producto intermedio asociado
AU2017350513B2 (en) 2016-10-27 2020-03-05 Novelis Inc. High strength 7xxx series aluminum alloys and methods of making the same
IT201700032906A1 (it) * 2017-03-24 2018-09-24 Danieli Off Mecc Apparato e metodo di cambio di unita' di guida in una macchina di colata continua
DE102019207459A1 (de) * 2018-05-23 2019-11-28 Sms Group Gmbh Gieß-Walzanlage für den Batch- und Endlosbetrieb
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Also Published As

Publication number Publication date
DE4121489A1 (de) 1993-01-14
DE59203486D1 (de) 1995-10-05
WO1993000179A1 (fr) 1993-01-07
BR9206193A (pt) 1994-12-27
US5548882A (en) 1996-08-27
DE4121489C2 (de) 1994-08-04
TR27200A (tr) 1994-12-05
RU2079391C1 (ru) 1997-05-20
JPH06508889A (ja) 1994-10-06
AU2151692A (en) 1993-01-25
CA2112233A1 (fr) 1993-01-07
EP0592482A1 (fr) 1994-04-20

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