EP2303491A1 - Modular strand guide roller - Google Patents
Modular strand guide rollerInfo
- 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
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
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008029944A DE102008029944A1 (en) | 2008-06-26 | 2008-06-26 | Modular strand guide roller |
PCT/EP2009/004396 WO2009156093A1 (en) | 2008-06-26 | 2009-06-18 | Modular strand guide roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2303491A1 true EP2303491A1 (en) | 2011-04-06 |
EP2303491B1 EP2303491B1 (en) | 2013-02-27 |
Family
ID=40974651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09768942A Active EP2303491B1 (en) | 2008-06-26 | 2009-06-18 | Modular strand guide roller |
Country Status (11)
Country | Link |
---|---|
US (1) | US20110114282A1 (en) |
EP (1) | EP2303491B1 (en) |
JP (1) | JP2011525425A (en) |
KR (1) | KR20110020937A (en) |
CN (1) | CN102076444A (en) |
CA (1) | CA2728860A1 (en) |
DE (1) | DE102008029944A1 (en) |
RU (1) | RU2011102741A (en) |
TW (1) | TW201018535A (en) |
WO (1) | WO2009156093A1 (en) |
ZA (1) | ZA201008851B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011003194A1 (en) * | 2010-05-19 | 2011-11-24 | Sms Siemag Ag | roller device |
KR101189517B1 (en) | 2010-06-11 | 2012-10-10 | 주식회사 포스코 | Internally cooled guiding roller |
DE102011084231A1 (en) * | 2011-10-10 | 2013-04-11 | Sms Siemag Ag | Roller line for a continuous caster and method for operating a roller line |
CN102728798B (en) * | 2012-06-29 | 2014-01-29 | 秦皇岛首秦金属材料有限公司 | Modifying method for sectorial water pipe of continuous casting machine |
RU2550446C2 (en) * | 2012-07-04 | 2015-05-10 | Актиеболагет Скф | Roller shell, roller guide line and device for continuous casting |
RU2553140C2 (en) * | 2012-07-04 | 2015-06-10 | Актиеболагет Скф | Distributor, roller line and device for continuous casting |
RU2553139C2 (en) * | 2012-07-04 | 2015-06-10 | Актиеболагет Скф | Distributor, roller line and device for continuous casting |
EP2687303A1 (en) * | 2012-07-20 | 2014-01-22 | SMS Concast AG | Roll arrangement for a continuous casting apparatus |
CN102825226B (en) * | 2012-08-20 | 2015-08-19 | 中国重型机械研究院股份公司 | A kind of fan shaped section free roller cooling water pipe structure |
AT513431B1 (en) | 2012-09-28 | 2015-10-15 | Primetals Technologies Austria GmbH | Chilled, multi-layered strand guide roller |
DE202013004842U1 (en) | 2013-05-25 | 2013-06-05 | Sms Siemag Aktiengesellschaft | Roller for guiding a metal strand or metal strip |
WO2015034421A1 (en) | 2013-09-04 | 2015-03-12 | Aktiebolaget Skf | Roll line assembly for continuous casting |
JP2015093303A (en) * | 2013-11-13 | 2015-05-18 | 新日鐵住金株式会社 | Roll for continuous casting |
SE1450619A1 (en) * | 2014-05-23 | 2015-11-24 | Skf Ab | Drum module and drum line for an extruder |
DE102018211071A1 (en) * | 2018-05-08 | 2019-11-14 | Sms Group Gmbh | Internally cooled support roller for the strand guide of a continuous casting plant |
CN109047699A (en) * | 2018-10-24 | 2018-12-21 | 东北大学 | Circulating cooling convex roller under a kind of solidification end weight |
US20220364223A1 (en) * | 2021-05-11 | 2022-11-17 | Applied Materials, Inc. | Roller for transporting a flexible substrate, vacuum processing apparatus, and method of cooling a roller |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1781378A (en) * | 1928-04-23 | 1930-11-11 | Congoleum Nairn Inc | Calender roll |
DE1811690A1 (en) * | 1968-11-29 | 1970-07-02 | Krauss Maffei Ag | Calender roll with heating channels |
US5651410A (en) * | 1991-01-04 | 1997-07-29 | Davy Mckee (Sheffield) Limited | Cooling roll |
GB9123666D0 (en) * | 1991-11-07 | 1992-01-02 | British Steel Plc | Cooling of rollers |
US5649889A (en) * | 1994-10-06 | 1997-07-22 | Bethlehem Steel Corporation | Stress alleviating guide roll for high temperature applications |
DE10211802C1 (en) | 2002-03-16 | 2003-10-02 | Thyssenkrupp Stahl Ag | Rotary feedthrough for the cooling water supply and discharge of a support and / or transport roller mounted on the end |
US6892793B2 (en) * | 2003-01-08 | 2005-05-17 | Alcoa Inc. | Caster roll |
AT412327B (en) * | 2003-04-23 | 2005-01-25 | Voest Alpine Ind Anlagen | STRAND LEADERSHIP |
AT412851B (en) | 2003-07-18 | 2005-08-25 | Voest Alpine Ind Anlagen | INDOOR COOLED EXTRACTOR ROLL |
DE102006040011A1 (en) | 2006-04-21 | 2007-10-25 | Sms Demag Ag | Guiding roller for guiding a cast strand, e.g. slab, comprises a plug-type connection between a second partial roller and the roller pin of a first partial roller to join the partial rollers together and a middle bearing |
-
2008
- 2008-06-26 DE DE102008029944A patent/DE102008029944A1/en not_active Withdrawn
-
2009
- 2009-06-18 US US13/000,725 patent/US20110114282A1/en not_active Abandoned
- 2009-06-18 RU RU2011102741/02A patent/RU2011102741A/en not_active Application Discontinuation
- 2009-06-18 CA CA2728860A patent/CA2728860A1/en not_active Abandoned
- 2009-06-18 JP JP2011515171A patent/JP2011525425A/en not_active Withdrawn
- 2009-06-18 KR KR1020117001626A patent/KR20110020937A/en not_active Application Discontinuation
- 2009-06-18 WO PCT/EP2009/004396 patent/WO2009156093A1/en active Application Filing
- 2009-06-18 EP EP09768942A patent/EP2303491B1/en active Active
- 2009-06-18 CN CN2009801241341A patent/CN102076444A/en active Pending
- 2009-06-19 TW TW098120534A patent/TW201018535A/en unknown
-
2010
- 2010-12-09 ZA ZA2010/08851A patent/ZA201008851B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2009156093A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2011525425A (en) | 2011-09-22 |
RU2011102741A (en) | 2012-08-10 |
WO2009156093A1 (en) | 2009-12-30 |
EP2303491B1 (en) | 2013-02-27 |
KR20110020937A (en) | 2011-03-03 |
CN102076444A (en) | 2011-05-25 |
CA2728860A1 (en) | 2009-12-30 |
US20110114282A1 (en) | 2011-05-19 |
DE102008029944A1 (en) | 2009-12-31 |
TW201018535A (en) | 2010-05-16 |
ZA201008851B (en) | 2011-08-31 |
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