EP2943296A1 - Installation de coulée continue et de laminage ainsi que procédé pour démonter et monter des cylindres dans une cage de laminoir réducteur de l'installation de coulée continue et de laminage - Google Patents

Installation de coulée continue et de laminage ainsi que procédé pour démonter et monter des cylindres dans une cage de laminoir réducteur de l'installation de coulée continue et de laminage

Info

Publication number
EP2943296A1
EP2943296A1 EP14701298.3A EP14701298A EP2943296A1 EP 2943296 A1 EP2943296 A1 EP 2943296A1 EP 14701298 A EP14701298 A EP 14701298A EP 2943296 A1 EP2943296 A1 EP 2943296A1
Authority
EP
European Patent Office
Prior art keywords
casting
turntable
roll
crane
hall
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
EP14701298.3A
Other languages
German (de)
English (en)
Other versions
EP2943296B1 (fr
Inventor
Eberhard Witschas
Jürgen HEPPELMANN
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
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP2943296A1 publication Critical patent/EP2943296A1/fr
Application granted granted Critical
Publication of EP2943296B1 publication Critical patent/EP2943296B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B22D11/12—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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor
    • 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
    • B22D11/14—Plants for continuous casting
    • B22D11/147—Multi-strand plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D47/00—Casting plants
    • 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
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components

Definitions

  • the invention relates to a casting rolling plant for producing hot strip according to the preamble of patent claim 1. Moreover, the invention relates to methods for removing and installing rollers in a Reduziergerüst the casting mill.
  • Casting mills for casting and rolling metal strip are basically known in the art.
  • a known type of such a casting-rolling plant is, for example, a so-called compact strip production plant. This known type of installation is shown in FIG. 4 and is described schematically below. Other types of plant are conceivable which the example is not to be understood as limiting.
  • FIG. 4 shows a single-strand casting rolling mill 100. It provides that liquid metal, typically liquid steel, is transported in a tundish 180 with the aid of a casting hall crane 190 to a distributor device 120, typically a so-called distributor channel. From the distribution device 120, the liquid steel is passed into a first mold 1 12-1, where it solidifies at the cooled edges of the mold to form a strand shell. At the outlet of the mold 1 12-1, the still liquid cast strand is fed to a subsequent strand guide 1 14-1, which deflects the casting strand emerging vertically from the mold 1 12-1 into the horizontal. During its guidance within the strand guide 1 14-1, the cast strand is cooled further until its solidification.
  • liquid metal typically liquid steel
  • the cast strand 210-1 passes through a first reduction stand 1 16-1 for rolling and reducing the thickness of the cast strand.
  • the cast strand then continues to pass through a pair of scissors 192 to be cut into slabs 220-1.
  • the shear 192 is typically associated with a scrap bucket 193 for removal of metal scrap generated during cutting of the casting strand.
  • the pair of scissors is still typically one Tunnel kiln 194 arranged downstream to maintain the temperature of the slabs or to slightly increase the temperature of the slab to one of the
  • finishing train 195 required rolling temperature of the slabs.
  • the slabs are rolled out to hot strip 230-1.
  • the finishing train 195 is typically a cooling line 196 and a
  • Reeling device 197 connected downstream; the latter for winding up the cooled hot strip.
  • multi-strand plants are also known in which a plurality of the strands shown in FIG. 4 run parallel to one another.
  • the cast-rolling plant which has just been described with reference to FIG. 4 exploits the heat of the casting heat, so that re-heating of the slabs in the tunnel kiln 194 is only required to a significantly reduced extent compared with the supply of previously cooled slabs.
  • G convincestrang 210-1 at the output of the strand guide to the hot strip, as it is wound on the coiler 197 to achieve at least 60 to 80%. This leads to the production of thicker hot strip
  • the cast strand is already subjected to a first forming step in said first reducing stand 1 16-1 when it emerges from the strand guide 1 14-1, thereby bringing it to a thickness which is suitable for the subsequent compact finishing train 195 Bring slabs to the desired final thickness. From an energetic point of view, it makes sense to carry out the first forming step directly after casting. To realize this, the installation of the first takes place Reduction stand 1 16-1 directly behind the exit of the strand guide 1 14-1 under the casting platform 1 18-1 of the casting-rolling mill 100.
  • the casting platform is
  • the casting platform is designed as a closed but well walkable workspace.
  • the operation of the entire casting plant is carried out by a person in a control station 198, which, as shown for example in Figure 4, above the G manbühne
  • Reduziergerüstetes 1 16-1 immediately behind the strand guide, but below the casting platform 1 18-1 has the disadvantage that the Reduziergerüst 1 16-1 can not be operated by the over the casting platform 1 18-1 ongoing casting hall crane 190. In particular, therefore, the casting hall crane 190 can not be used for changing the rollers 310, 320 of the reducing stand 1 16-1. This is also true because the control station 198, from which the casting hall crane 190 is moved, has no insight into the area of the Reduziergerüstes 1 16-1, because he is the view is blocked by the casting platform 1 18.
  • the operating crews on the casting platform and the operating crews below the casting platform in the region of the runout of the strand guide typically can have neither eye nor voice contact, so that parallel work can possibly lead to dangerous situations.
  • a Swissablagestation for the rollers, which has star-shaped track runners for the track on the turntable.
  • Roll changing device in the form of a turntable, which can be locked in certain rotational positions against further rotation.
  • the invention has the object, a known casting-rolling mill and known methods for installing and removing rollers in the rolling stands of these systems to the effect that the investment costs for a roll changing device for changing the rolls are reduced, but Nevertheless, a roll change can be performed easily and reliable especially in a downstream of the strand guide Reduziergerüst.
  • This object is achieved by the subject matter of the new patent claim 1.
  • This object is characterized in a casting rolling mill with a first casting line and a parallel second casting line, characterized in that the first and the second Reduziergerüst are installed such that their
  • Operating pages are each in the space between the two casting lines and that the roll changing device is designed in the form of a turntable and is arranged in the space between the two casting lines at the height between the two Reduziergerüsten.
  • the claimed turntable between the first and the second casting line has the advantage that with its installation only one roll changing device is required to change the rolls of the reducing stands of both casting lines. It is therefore not necessary to separate for each of the two casting lines
  • Roll changing devices for their respective rolling stands, in particular to provide Reduziergerüste. This saves investment costs. A roll change can be carried out simply and reliably with the help of the turntable; In particular, such a roll change does not affect the work on the casting platform.
  • operating side of a roll stand refers to that side of the roll stand, transversely to the rolling direction, on which in particular the
  • back-up roll in the present description means besides the actual back-up rolls also any intermediate rolls in the case of sexto-scaffolds.
  • further rolls used here also means in particular the actual back-up rolls or intermediate rolls.
  • the casting plant according to the invention comprises a casting hall, in which, inter alia, the molds, the
  • G thinkhallenkran are arranged and next to the casting hall in a
  • the neighboring hall may be a kiln hall or a roller hutch.
  • a first variant of the turntable can be placed between the two casting lines such that at least a portion of the turntable for the G manhallenkran or the crane
  • Neighboring hall is accessible.
  • the turntable completely, z. B. covered by the casting platform or be covered, so that neither the
  • the turntable is in stationary so not translationally movable
  • the first and the second reducer are each at the same height of the first and second casting line, so that their respective
  • the turntable is then preferably arranged between the two casting lines such that its stationary
  • the radius of the turntable is advantageously designed so large that the turntable with its periphery to the first and the second Reduziergerüst, respectively at their operating pages, reaching. This has the advantage that a
  • the first reducing stand is seen in the casting direction advantageously immediately behind the output of the first strand guide and the second reduction is advantageously also seen in the casting direction immediately behind the
  • a pulling and pushing device is provided, for. B. in the form of a roll changing locomotive or a hydraulic cylinder.
  • the pulling and pushing device is used to extend or pull out the rollers from the first and / or second Reduziergerüst on the turntable or for retraction or insertion of the rollers of the turntable in the first and / or second Reduziergerüst or for moving or moving the Rolling between the turntable and the intermediate storage station.
  • the turntable advantageously has an upper level with positions for receiving e.g. the work rolls and a lower level with positions for receiving further rolls, e.g. the back-up rolls, of at least one of the two reducing stands of the two casting lines.
  • This embodiment has the advantage that at the same time not only individual rolls, but entire sets of rolls may eventually find room on the turntable with a roll changing chair.
  • each of the two casting lines may have their own casting platform, wherein over the space between the two casting lines also a
  • Gap space for example, the casting hall crane could be retracted for access to at least portions of the turntable. It is possible that both casting platforms are combined in a common casting platform, which is then also extends transversely to the casting direction and spans both casting lines.
  • the casting lines are each designed as cast-rolling plants, as described, for example, as a compact strip production plant, with reference to FIG. 4.
  • the advantages of these methods correspond to the advantages mentioned above with respect to the claimed foundry rolling mill.
  • FIG. 1 shows a longitudinal cross section through the turntable between two lines of the casting rolling mill according to the invention with a view of a casting line;
  • Figure 2 is a plan view of the casting plant according to the invention with a first and a second casting line; (possible further casting lines are not shown)
  • Figure 3 shows a cross section through the casting-rolling mill according to the invention at the level of the middle planes of the two Reduziergerüste;
  • Figure 4 shows a casting mill according to the prior art.
  • FIG. 1 shows a longitudinal cross-section through the cast-rolling plant 100 according to the invention
  • Neighboring hall 140 connects.
  • the boundary between the two halls coincides in Figure 1 together with the outer edge of the first casting platform 1 18-1; this limit is designated by the reference numeral 139 in FIG.
  • the distributor device 120 can be seen in the form of a movable distributor trough.
  • the tail of the first strand guide 1 14-1 can be seen on the left edge of the picture, in the casting direction R, a first Reduziergerüst 1 16-1 is arranged downstream.
  • the first reducer in turn is a device 145 for
  • the turntable has a
  • Turntable bearing 129 is supported on a foundation 126 and rotatably supported. The rotary movement of the turntable 130 about its vertical axis of rotation 134 takes place with the aid of a turntable drive 127. Locking devices or indexing devices 128 are provided in order to move the turntable 130 in
  • FIG. 2 shows a top view of the cast-rolling plant 100 according to the invention.
  • the first pouring line 1 10-1 and a second pouring line 1 10-2 arranged parallel thereto can be seen.
  • the casting lines are spaced apart by the distance d.
  • the casting direction R extends in Figure 2 from right to left.
  • the first mold 1 12-1, the first strand guide 1 14-1, the first reducer 1 16-1, the first scissors 192-1 and the first tunnel kiln 194-1 are shown schematically from the upper first pouring line 1 10-1.
  • the first scissors 192-1 the incoming cast strand 210-1 is cut into slabs 220-1.
  • the parallel second casting line 1 10-2 is constructed analogously.
  • the turntable 130 according to the invention can be seen between the two casting lines.
  • the fixed axis of rotation 134 of the turntable 130 is located in the
  • Reduction frame 1 16-1, 1 16-2 at the same height in the casting direction R. It can be seen that the turntable 130 has different positions P1, P2, P3 for receiving the rollers of the first or second of the reducing frame 1 16-1, 1 16-2.
  • a pulling and pushing device 1 16 may be arranged, for. B. in the form of a roller change locomotive or a
  • Hydraulic cylinder for moving the rollers.
  • an opening 136 in the middle of the turntable This opening can serve media or power lines to supply the pulling and pushing device
  • the boundary between the casting hall 138 and the neighboring hall 140 is also designated by the reference numeral 139 in FIG. It's closed
  • Subarea more specifically, a segment of the turntable always protrudes into the adjacent hall 140.
  • This segment is designated by the reference numeral 132 in FIG. Because this segment protrudes into the adjacent hall 140, it is accessible to the crane of the neighboring hall, so that these worn rolls of the segmental region of the turntable 130 z. B. can carry away in a roll workshop or can park new rolls from the roll shop in the segment area 132 on the turntable.
  • Pusher 160 is recognisably placed on the turntable 130 and is supported above the opening 136 on rails.
  • the intermediate storage station 150 which adjoins the casting direction R, preferably at the periphery of the turntable, can furthermore be seen in FIG.
  • the intermediate storage station 150 preferably has, in turn, radially aligned rail outlets 152, which are oriented in relation to the rotation axis 134 of the turntable, on which the rollers of the two reducing stands 1 16-1, 16-2 can be temporarily stored.
  • the radial alignment of the rail foothills to the pivot point 134 of the turntable has the advantage that the rollers from the turntable on the
  • FIG. 3 shows, by way of example, a cross-section through the cast-rolling plant 100 according to the invention at the level of the common center planes M1, M2 of a first and second four-roller reduction stand 1 16-1, 1 16-2. It can be seen that the two Reduziergerüste 1 16-1, 1 16-2 exemplified two work rolls 310, an upper support roll 320-1 and a lower support roll 320-2 have.
  • the turntable 130 according to the invention can be seen in cross section, on which exemplary sets of work rolls 310 are stored. In the middle of the turntable 130, the said pulling and pushing device 160 can be seen.
  • a roll change, more precisely an installation and removal of the exemplified working and support rolls in the Reduziergerüste 1 16-1, 1 16-2 takes place in the cast-rolling plant according to the invention just described according to the following methods:
  • the method for removing at least one of the worn work rolls 310 from one of the two reducing stands 1 16-1, 1 16-2 of the casting rolling mill 100 comprises the following steps:
  • Clipboard 150 faces
  • steps 14d) and 14e) when a portion of the
  • Turntable 130 is accessible to the casting hall crane or the crane of the neighboring hall:
  • An installation of at least one new work roll 310 in the reducing stand 1 16-1, 1 16-2 of the casting-rolling mill is carried out with the following steps:
  • At least one new work roll 310 is occupied, in front of the first or second Reduziergerüst 1 16-1, 1 16-2 stands, from which previously the at least one spent work roll was pulled out;
  • steps 15b) - 15c2) when a portion of the
  • Turntable for the casting hall crane or the crane of the neighboring hall is accessible: 15b ') turning the turntable 130 so that a first position P1 on the
  • Turntable for receiving the at least one new work roll 310 is accessible to the crane 142 of the roll hall;
  • Back-up rolls 320 from a reduction stand 1 16-1, 1 16-2 of the casting-rolling plant has the following steps:
  • steps 16h) - 16j) when a portion of the turntable 130 is accessible to the casting hall crane or the crane of the neighboring hall:
  • Step 16c) and the subsequent steps are only carried out after the two work rolls 310 have previously been removed from the reducing stand 1 16-1, 1 16-2.
  • steps 19a) - 19d) if a portion of the turntable is accessible to the casting hall crane or the crane of the neighboring hall:

Landscapes

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

Abstract

L'invention concerne une installation de coulée continue et de laminage pour produire un feuillard laminé à chaud. Pour réduire les coûts d'investissement pour le dispositif de changement de cylindres dans une installation correspondante comprenant deux lignes de coulée continue parallèles sans qu'un changement de cylindres soit effectué de manière moins sûre pour le fonctionnement et plus compliquée, il est proposé selon l'invention de configurer le dispositif de changement de cylindres sous la forme d'un plateau rotatif et de disposer celui-ci dans l'espace intermédiaire entre les deux lignes de coulée continue.
EP14701298.3A 2013-01-14 2014-01-08 Installation de coulée continue et de laminage ainsi que procédé pour démonter et monter des cylindres dans une cage de laminoir réducteur de l'installation de coulée continue et de laminage Not-in-force EP2943296B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013200438 2013-01-14
DE102013224633.1A DE102013224633A1 (de) 2013-01-14 2013-11-29 Gieß-Walzanlage sowie Verfahren zum Aus- und Einbau von Walzen in einem Reduziergerüst der Gieß-Walzanlage
PCT/EP2014/050178 WO2014108413A1 (fr) 2013-01-14 2014-01-08 Installation de coulée continue et de laminage ainsi que procédé pour démonter et monter des cylindres dans une cage de laminoir réducteur de l'installation de coulée continue et de laminage

Publications (2)

Publication Number Publication Date
EP2943296A1 true EP2943296A1 (fr) 2015-11-18
EP2943296B1 EP2943296B1 (fr) 2017-05-10

Family

ID=51015134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14701298.3A Not-in-force EP2943296B1 (fr) 2013-01-14 2014-01-08 Installation de coulée continue et de laminage ainsi que procédé pour démonter et monter des cylindres dans une cage de laminoir réducteur de l'installation de coulée continue et de laminage

Country Status (5)

Country Link
US (1) US9700938B2 (fr)
EP (1) EP2943296B1 (fr)
CN (1) CN105142811B (fr)
DE (1) DE102013224633A1 (fr)
WO (1) WO2014108413A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2736759C1 (ru) * 2017-03-24 2020-11-19 Даниэли энд К.Оффичине Мекканике С.п.А. Устройство и способ замены направляющих блоков в машине непрерывного литья заготовок
WO2021115900A1 (fr) * 2019-12-11 2021-06-17 Sms Group Gmbh Train de laminage modulaire, en particulier train de laminage à chaud, de préférence conjointement avec une installation de coulée en amont

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Publication number Priority date Publication date Assignee Title
CN114433630B (zh) * 2021-12-22 2023-08-29 广西柳州钢铁集团有限公司 阶梯出坯的方法
CN114535305B (zh) * 2021-12-22 2024-01-19 太原重工股份有限公司 轧辊机架换辊辅助装置及换辊方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2736759C1 (ru) * 2017-03-24 2020-11-19 Даниэли энд К.Оффичине Мекканике С.п.А. Устройство и способ замены направляющих блоков в машине непрерывного литья заготовок
WO2021115900A1 (fr) * 2019-12-11 2021-06-17 Sms Group Gmbh Train de laminage modulaire, en particulier train de laminage à chaud, de préférence conjointement avec une installation de coulée en amont

Also Published As

Publication number Publication date
CN105142811A (zh) 2015-12-09
CN105142811B (zh) 2018-01-09
DE102013224633A1 (de) 2014-07-17
EP2943296B1 (fr) 2017-05-10
US20150343524A1 (en) 2015-12-03
WO2014108413A1 (fr) 2014-07-17
US9700938B2 (en) 2017-07-11

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