EP2303491A1 - Rouleau de corset de guidage modulaire - Google Patents

Rouleau de corset de guidage modulaire

Info

Publication number
EP2303491A1
EP2303491A1 EP09768942A EP09768942A EP2303491A1 EP 2303491 A1 EP2303491 A1 EP 2303491A1 EP 09768942 A EP09768942 A EP 09768942A EP 09768942 A EP09768942 A EP 09768942A EP 2303491 A1 EP2303491 A1 EP 2303491A1
Authority
EP
European Patent Office
Prior art keywords
roller
flow channel
strand guide
channels
flow
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
EP09768942A
Other languages
German (de)
English (en)
Other versions
EP2303491B1 (fr
Inventor
Erich Hovestädt
Peter Jonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Siemag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2303491A1 publication Critical patent/EP2303491A1/fr
Application granted granted Critical
Publication of EP2303491B1 publication Critical patent/EP2303491B1/fr
Active 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
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers

Definitions

  • the invention relates to a modular strand guide roller for the strand guiding device of a continuous casting according to the features of the preamble of claim 1, a strand guiding device according to the features of claim 13 and a method of its operation according to claim 14.
  • a strand guide roller is known from EP 1 485 218 B1, which, however, starting from the object of the invention, to a rotary feedthrough for thedeementzu- and-derivation of a rotatably mounted at least end bearing journals in bearing blocks support and / or transport roller, in particular in a Continuous casting plant, turns off.
  • the water-cooled support and / or transport roller has axially extending channels in the outer region and channels leading into it or emerging therefrom and leading to a central distribution system.
  • the central distribution system consists of a central bore in the support and / or transport roller and a tubular conduit arranged therein, which has a central supply channel for the cooling water and forms with the central bore an annular channel for the discharge of the cooling water.
  • the strand guide roller disclosed in this document consists of two or more roller sections, each roller section of which is mounted end-to-end. Such end-side mounting of the individual roller sections is expensive and requires a considerable effort for the maintenance of the strand guide device for mounting and dismounting of the bearing units.
  • strand guide devices can not be converted to other casting machine widths without considerable effort because of such end-side mounting of the roller sections.
  • a strand guide roller of a strand guiding device comprising at least two roller sections is known, on which a strand cast by a continuous casting machine is guided, after which a plug connection is formed between the two roller sections and only one bearing is provided which forms an undivided single bearing is.
  • the flow channel for the cooling medium that extends only substantially over the width of the strand guide roll does not exhibit a sufficient cooling effect of the strand guide roll.
  • the surface-near region of the strand-guiding roller does not experience the necessary cooling in order to reduce the wear of the strand-guiding roller resulting from the chemical and mechanical stress.
  • the centrically extending flow channel therefore primarily serves for cooling the bearing inner rings in the journal region of the strand guide roller or roller sections.
  • the internally cooled strand guide roller known from documents WO 2004/094087 A1 and EP 1 646 463 B1 comprises a central rotatable shaft and a plurality of roller shells secured on the shaft against rotation and supported with integrated coolant channels.
  • the invention is therefore an object of the invention to provide a modular strand guide roller, which can be converted to different Strangg cordlessnessn without significant effort and, starting from the core area to the near-surface region, a Stan the rod guide roller improving cooling effect. Furthermore, it is an object of the invention to provide a modular strand guide roller, with a relatively inexpensive maintenance can be achieved.
  • the invention is further based on the object of providing a strand guiding device which, with a view to increasing the service life and facilitating maintenance, has improved strand guiding rollers.
  • the modular strand guide roller for the strand guiding device comprises a continuous casting plant
  • both roller modules are arranged axially next to one another and the first roller module has a centrally located roller journal on its end face facing the second roller module, a middle bearing which is located between the first and second roller module for receiving and supporting the roller module Rolling pin of the first roller module is arranged, and wherein the center bearing is an undivided single bearing,
  • centrally extending in the roller modules flow channel for passing a coolant
  • the centrally extending flow channel according to the invention consists of a first separate flow channel and a second separate flow channel, and wherein
  • each roller module is connected to formed in the near-surface region flow channels through connection channels.
  • the flow channels formed in the near-surface region of each roller module are present in pairs.
  • the coolant flows in a first flow channel of the paired flow channels counter to the flow direction of the flowing in the centrally extending flow channels coolant and in a second flow channel of the paired flow channels, the coolant flows in the flow direction of flowing in the concentric flow channels coolant.
  • an open cooling circuit is formed in each roller module.
  • a chamber is formed, which serves for the deflection of the coolant within the first and the following roller modules.
  • the chambers are sealed to the outside with a lid sealing, so that no coolant can escape.
  • the respective first flow channel of the paired flow channels is further connected via a corresponding first connecting channel with the first concentrically extending flow channel and the respective second flow channel of the paired flow channels is connected via a corresponding second connecting channel with the second concentrically extending flow channel.
  • connection is on the one hand made such that the first connection channel connects the inflow-side outlet of the first centrally extending flow channel with the downstream inlet of the relevant flow channel of the paired flow channels and on the other such that the second connection channel the inlet side of the second respective flow channel of the pair Flow channels with the downstream inlet of the second centrically extending flow channel connects.
  • Such a course according to the invention of the flow channels within a roller module not only sufficiently cools the core region and the region of the bearing, as known from the prior art, but also its near-surface region.
  • the second centrically extending flow channel of the first roller module and the first centrically extending flow channel of the second roller module are connected via a sleeve, so that from the second centrically extending flow channel of the first roller module the coolant can flow into the first centrically extending flow channel of the second roller module.
  • the second roller module and each further roller module of the strand guide roller is, as far as the entirety of the formation of the flow and connection channels, formed in an identical manner to the first roller module.
  • a strand guide roller having a first and second roller module a first open coolant circuit is combined with a second open coolant circuit to a common open coolant circuit, wherein the first coolant circuit to a coolant inlet and the second coolant circuit can be connected to a coolant outlet.
  • peripheral flow channels these could be groupwise, e.g. as multi-thread, be arranged and operated. A first group could then serve for the flow and a second group for the return of the coolant.
  • a different or alternating flow direction of the coolant in adjacent strand guide rollers, adjacent roller segments or in the upper and lower frames of a segment contributes to a homogenization of the cooling effect on the strand or the slabs.
  • FIG. 1 is a three roller modules existing strand guide roller in a sectional view along the line A-A in Fig. 4,
  • FIG. 2 shows a detail "Z" in FIG. 1 with an enlarged illustration of the flow and connection channels conducting the coolant flow from the core region into the region near the surface
  • FIG. 6 shows the second or middle roller module of the strand guide roller in a longitudinal section along the line C-C in Fig. 5,
  • FIG. 7 shows a side view of the second or middle roller module of the strand guide roller according to FIG. Figure 6.
  • the strand guide roller 1 shown in Fig. 1 consists of a first roller module 2, a second roller module 3 and a third roller modules 4. All roller modules are mounted according to the previously known document WO 2007/121821 A1 to a strand guide roller, through a first connector between the second or middle roller module 3 and the inner roller journal 2.1 of the first roller module 2 and by a second plug connection between the third roller module 4 and the inner roller journal 3.1 of the second or middle roller module 3.
  • the inner roller journal 2.1 of the first roller module 2 is in an undivided Center bearing 5 and the inner roller journal 3.1 of the second or middle roller module 3 is accommodated in an undivided center bearing 6.
  • Both center bearings 5, 6 are advantageously formed relatively short in their axial extent, whereby the transition region 7 between the roller modules 2, 3 and 3, 4 is also relatively short, so that advantageously a bulge of the cast metal strand (slab) minimized or significantly reduced.
  • the outer roller journal 2.2 of the roller module 2 and the outer roller journal 4.1 of the roller module 4 of the strand guide roller 1 is received in a respective outer bearing 8 and 9 respectively.
  • the second or middle roller module 3 is not in the center bearing 5 and the third roller module 4 is not accommodated in the center bearing 6.
  • a plug connection is provided as connection Formed between the respective roller modules 2, 3 and 3, 4, for example.
  • the roller modules 3 and 4 have a recess 10 on their end face facing the first roller module 2 or the second roller module 3, as best seen in FIG. 6, in which a component 23 of ring-like construction, for example, is used in a manner secure against rotation. A twisted against the actual roller pin extension 2.1.1 or 3.1.1 of the respective roller pin is positively connected to the device 23 connectable.
  • each roller module 2, 3, 4 has a first and second centrically extending flow channel 11 and 12, respectively.
  • the flow channel 11 of the roller module 2 can be connected to a coolant inlet 13 and the flow channel 12 of the roller module 4 to a coolant outlet 14.
  • each of the roller modules further flow and connection channels, which together with the centrally extending flow channels 11, 12 in each roller module. 2 , 3, 4 and finally form an open cooling circuit in each strand guide roll 1 designed according to the invention.
  • the cooling circuit is designed such that, as shown in Figure 3, on the one hand, the flow channels 15, 16 are arranged in pairs in the near-surface region, within each roller module 2, 3, 4 preferably regularly circumferentially distributed, wherein a flow channel of paired Flow channels 15, 16 is connected via the connecting channel 17 to the inflow-side output 11.1 of the flow channel 11 and the other flow channel of the paired flow channels 15, 16 is connected via the connecting channel 18 with the downstream inlet 12.1 of the flow channel 12.
  • the paired flow channels 15, 16 are each end individually or jointly closed by a lid 19 and 27, best seen in Figures 2, 5 and 6, such that this is a change in the flow direction of the coolant, in conjunction with corresponding end face in the respective roller module formed chambers 20, make sure.
  • the flow direction of the coolant 22 from the coolant inlet 13 to the coolant outlet 14 is represented by directional arrows.
  • the coolant 22 flowing into the flow channel 11 of the roller module 2 flows into the connection channel 17 at the end of the flow channel 11 and enters the flow channel 15 of the paired flow channels 15, 16.
  • the coolant 22 enters the flow channel 16 of the paired flow channels 15, 16 headed and passes via the connecting channel 18 in the downstream inlet 12.1 of the second centrally extending flow channel 12, from where it passes via the connecting sleeve 21 in the first centrally extending flow channel 11 of the roller module 3.
  • the paired flow channels are in each case a flow channel 15 with inflowing coolant 22 and a flow channel 16 with outflowing coolant 22.
  • the paired flow channels 15, 16 are connected to one another by a chamber 20 introduced into the roller module.
  • the second centrically extending flow channel 12 is also shown.
  • FIG. 4 shows the roller module 3 in a sectional view according to the line BB in Figure 1 with the near-surface, paired flow channels 15 and 16 and the centrally disposed, first flow channel 11th
  • FIG. 5 shows a side view of the roller module 3 shown in FIG. 6.
  • the flow channels 15, 16 arranged in pairs near the surface of the roller module 3 are sealingly, preferably detachably, closed at the ends by one or a common cover 27. Furthermore, the centrally extending flow channel 11; 12 of the roller module 3 shown.
  • the flow channel 11 is connected via the acute-angled connecting channels 17 with the relevant flow channels 15 of the paired flow channels 15, 16, while the flow channel 12 is connected via the acute-angled connecting channels 18 with the relevant flow channels 16 of the paired flow channels 15, 16.
  • Fig. 6 shows a longitudinal section along the line C-C in Figure 5.
  • the roller module 3 with roller pins 3.1 and 3.1 arranged in continuation of the roller pin 3.1 selbigem, preferably polygonal extension 3.1.1 shown.
  • the roller module 3 in addition to the already described in detail above arrangement of the flow and connection channels, a recess 10 which is located on the side facing away from the roller pin 3.1 end face.
  • an annular member 23 is inserted, which is secured by suitable securing means 24, for example, dowel pins against rotation.
  • the interior of the annular component 23 has, corresponding to the cross-sectional shape of the extension 2.1.1 of the roller journal 2.1, a corresponding cross-section, for example in the manner of a polygon.
  • the inlet side of the central flow channel 11 is followed by a receiving bore 25 for the sleeve 21, see Fig. 1.
  • the receiving bore 25 is larger in diameter than the diameter of the centrally extending flow channel 11.
  • a receiving bore 26 serving the same purpose further comprises the extension 3.1.1 of the roller journal 3.1 from the roller module 3.
  • FIG. 7 shows a further side view of the roller module 3 shown in FIG. 6.
  • the paired flow channels 15, 16 arranged around the flow channel 11 or 12 and closed by closure cover 19.
  • a chamber 20, shown only in FIG. 6, connects the two paired flow channels 15, 16, so that the flow of the coolant 22 undergoes a deflection therein.
  • the side view further shows the polygonal formation of the extension 3.1.1, the receiving bore 26 for the sleeve 21 and the centrally extending flow channel 12; 11th

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

Le but de l'invention est de réaliser un rouleau de corset de guidage modulaire qui peut être adapté à différentes largeurs de coulée continue sans complexité notable, possède de sa zone centrale à sa zone proche de la surface un effet réfrigérant allongeant la durée de vie du rouleau de corset de guidage et permet un entretien comparativement économique. A cet effet, un premier canal d'écoulement centré (11) s'étendant dans le sens axial et un second canal d'écoulement centré (12) s'étendant dans le sens axial sont formés dans chaque module (2, 3, 4) du rouleau; des canaux d'écoulement (15, 16) sont réalisés dans la zone de chaque module (2, 3, 4) proche de la surface; des canaux de liaison (17) relient les canaux d'écoulement susmentionnés (15) au premier canal d'écoulement séparé (11) et des canaux de liaison (18) relient les canaux d'écoulement susmentionnés (16) au second canal d'écoulement séparé (12).
EP09768942A 2008-06-26 2009-06-18 Rouleau de corset de guidage modulaire Active EP2303491B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029944A DE102008029944A1 (de) 2008-06-26 2008-06-26 Modulare Strangführungsrolle
PCT/EP2009/004396 WO2009156093A1 (fr) 2008-06-26 2009-06-18 Rouleau de corset de guidage modulaire

Publications (2)

Publication Number Publication Date
EP2303491A1 true EP2303491A1 (fr) 2011-04-06
EP2303491B1 EP2303491B1 (fr) 2013-02-27

Family

ID=40974651

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09768942A Active EP2303491B1 (fr) 2008-06-26 2009-06-18 Rouleau de corset de guidage modulaire

Country Status (11)

Country Link
US (1) US20110114282A1 (fr)
EP (1) EP2303491B1 (fr)
JP (1) JP2011525425A (fr)
KR (1) KR20110020937A (fr)
CN (1) CN102076444A (fr)
CA (1) CA2728860A1 (fr)
DE (1) DE102008029944A1 (fr)
RU (1) RU2011102741A (fr)
TW (1) TW201018535A (fr)
WO (1) WO2009156093A1 (fr)
ZA (1) ZA201008851B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003194A1 (de) * 2010-05-19 2011-11-24 Sms Siemag Ag Rolleneinrichtung
KR101189517B1 (ko) 2010-06-11 2012-10-10 주식회사 포스코 내부 냉각식 가이드 롤
DE102011084231A1 (de) * 2011-10-10 2013-04-11 Sms Siemag Ag Rollenlinie für eine Stranggießanlage sowie Verfahren zum Betrieb einer Rollenlinie
CN102728798B (zh) * 2012-06-29 2014-01-29 秦皇岛首秦金属材料有限公司 一种连铸机扇形段水道改造方法
RU2553139C2 (ru) * 2012-07-04 2015-06-10 Актиеболагет Скф Распределяющий элемент, роликовая линия и устройство для непрерывной разливки
RU2550446C2 (ru) * 2012-07-04 2015-05-10 Актиеболагет Скф Оболочка ролика, роликовая направляющая линия и устройство для непрерывной разливки
RU2553140C2 (ru) * 2012-07-04 2015-06-10 Актиеболагет Скф Распределяющий элемент, роликовая линия и устройство для непрерывной разливки
EP2687303A1 (fr) * 2012-07-20 2014-01-22 SMS Concast AG Agencement de rouleau pour une installation de coulée continue
CN102825226B (zh) * 2012-08-20 2015-08-19 中国重型机械研究院股份公司 一种扇形段自由辊冷却水配管结构
AT513431B1 (de) * 2012-09-28 2015-10-15 Primetals Technologies Austria GmbH Gekühlte, mehrfach gelagerte Strangführungsrolle
DE202013004842U1 (de) 2013-05-25 2013-06-05 Sms Siemag Aktiengesellschaft Rolle zum Führen eines Metallstrangs oder Metallbands
EP3041620B1 (fr) * 2013-09-04 2019-11-06 Aktiebolaget SKF Ensemble de lignes de rouleaux pour une coulée continue
JP2015093303A (ja) * 2013-11-13 2015-05-18 新日鐵住金株式会社 連続鋳造用ロール
SE1450619A1 (sv) * 2014-05-23 2015-11-24 Skf Ab Valsmodul och valslinje för en stränggjutningsmaskin
DE102018211071A1 (de) * 2018-05-08 2019-11-14 Sms Group Gmbh Innengekühlte Stützrolle für die Strangführung einer Stranggießanlage
CN109047699A (zh) * 2018-10-24 2018-12-21 东北大学 一种凝固末端重压下循环冷却凸型辊
US12060634B2 (en) * 2021-05-11 2024-08-13 Applied Materials, Inc. Roller for transporting a flexible substrate, vacuum processing apparatus, and method of cooling a roller

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DE1811690A1 (de) * 1968-11-29 1970-07-02 Krauss Maffei Ag Kalanderwalze mit Heizkanaelen
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US5649889A (en) * 1994-10-06 1997-07-22 Bethlehem Steel Corporation Stress alleviating guide roll for high temperature applications
DE10211802C1 (de) * 2002-03-16 2003-10-02 Thyssenkrupp Stahl Ag Drehdurchführung für die Kühlwasserzu- und -ableitung einer endseitig drehgelagerten Stütz- und/oder Transportrolle
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Also Published As

Publication number Publication date
CA2728860A1 (fr) 2009-12-30
WO2009156093A1 (fr) 2009-12-30
ZA201008851B (en) 2011-08-31
TW201018535A (en) 2010-05-16
DE102008029944A1 (de) 2009-12-31
CN102076444A (zh) 2011-05-25
EP2303491B1 (fr) 2013-02-27
JP2011525425A (ja) 2011-09-22
US20110114282A1 (en) 2011-05-19
KR20110020937A (ko) 2011-03-03
RU2011102741A (ru) 2012-08-10

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