EP3024611A2 - Cooled strand guide roller - Google Patents
Cooled strand guide rollerInfo
- Publication number
- EP3024611A2 EP3024611A2 EP14747330.0A EP14747330A EP3024611A2 EP 3024611 A2 EP3024611 A2 EP 3024611A2 EP 14747330 A EP14747330 A EP 14747330A EP 3024611 A2 EP3024611 A2 EP 3024611A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavity
- strand guide
- bearing block
- guide roller
- cooling medium
- 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
- 239000002826 coolant Substances 0.000 claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 238000009749 continuous casting Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000284 resting effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000004519 grease Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
- B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/083—Lubricating, cooling or heating rolls internally cooling internally
-
- 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
Definitions
- the present invention relates to a strand guide roller for guiding a steel strand in a continuous casting machine and a method for cooling the strand guide roller in the
- a cooled strand guide roller in which a cooling medium first cools a bearing in a left bearing block, the cooling medium flows from the left bearing block through the roller to the right bearing block, and there again a bearing cools.
- the cooling medium has to be introduced from a bearing block in each case via a rigid or flexible connecting piece and a rotary feedthrough in the role or on the opposite side again. This restricts the robustness of the roll. How the design can be simplified, so that can be dispensed with in particular sensitive rotary unions, is not apparent from the Scriptures.
- the object of the invention is to present a cooled strand guide roller for guiding a steel strand in a continuous casting machine, which is characterized by a particularly simple design and particularly robust and
- a further object of the invention is to present a method for cooling a strand guide roller in a continuous casting machine, in which the cooling medium cools the two bearing blocks, and the cooling medium cools the bearings and the cylindrical roller shell of the roller on the way between the two bearing blocks.
- a so-called "peripherally cooled" strand guide roll is created which, due to the compactness and reliability, is also suitable for billet, billet and profile strand casting machines.
- a strand guide roller for guiding a steel strand in a continuous casting machine comprising:
- Wasserleitmantel cooling water from a left cavity between the axis and the Wasserleitmantel in the region of the left bearing in a longitudinal space between the Wasserleitmantel and the roller shell, along the longitudinal space in the axial and radial direction, and from the longitudinal space in a right cavity between can guide the water duct and the axle in the area of the right bearing.
- the torsionally rigid connection can for example be positive (eg by a feather key) or non-positively (eg by a shrink or press-fit connection or by friction).
- the left bearing is cooled by the cooling water in the left cavity.
- the surface of the cylindrical roller mantle is cooled by the cooling water in the longitudinal space, whereby a particularly uniform temperature distribution is achieved by guiding the cooling water in the axial and in the tangential direction. Finally, the right bearing is cooled by the cooling water in the right cavity.
- the Wasserleitmantel can be made particularly simple and efficient sheet metal parts, if it has:
- a cooling medium is introduced from a left cavity between the Wasserleitmantel and a stationary axis in a longitudinal space between the roll shell and the Wasserleitmantel, performed in the longitudinal space in both the axial and tangential direction, and from the longitudinal space in a right cavity between the Wasserleitmantel and the stationary axle. This not only ensures a particularly even distribution of the surface temperature of the roll mantle, but also the left and right bearings cooled.
- the cylindrical tube, the tangential outer webs and the axial outer web are preferably bent sheet metal parts, wherein the outer webs are connected by joining (eg., Soldering, welding or gluing) to the pipe.
- An alternative water-conducting jacket points to:
- At least one spiral-shaped outer web which extends on the outer circumferential surface of the tube at least once spirally around the longitudinal extent of the tube.
- the cooling medium is passed through at least one, possibly a plurality, spiral outer web in the tangential and axial direction along the roll shell, which also has a very uniform distribution of the surface temperature on the
- the spiraled outer land can either be joined to the pipe by joining, or machined out of the pipe by milling or turning. It is particularly expedient if the Wasserleitmantel has at least one, preferably two or more, inner web, which extends from the inner circumferential surface of the tube in the radial direction to the stationary axis. This prevents a so-called “hydraulic short circuit" between two cavities located between the left end portion of the axle and the roller shell and the right end portion of the axle and the roller shell to flow right cavity, whereby a high heat dissipation is ensured by the cast product.
- the left and the right bearing block each have a bore for receiving the stationary axle wherein the bearing block has at least one, preferably closed, cavity in the tangential direction around the bore.
- the cavity in the bearing block which is flowed around by the cooling medium, both the bearing block itself and a sealing element for the sealing are cooled to the outside.
- the cavity in the bearing block has a substantially radial stub for guiding the cooling water from the bearing block in the axis.
- a radial stub has the shortest length, it is not necessary for the stub to be exactly radial.
- each half of the stationary axle has in the longitudinal direction a separate axial line for conducting the cooling medium and a radial branch line connected thereto into a cavity.
- At least one sealing element is provided in each case.
- a simple fluid-tight seal may e.g. by a so-called Prelonring (see, for example, WO 2011/117383 Al for the execution of seals in strand guide rollers with
- Prelonringen by sealing rings or by rotary seals such as slip rings.
- the protection of the bearing from the environment can be done, for example, by radial shaft seals or labyrinth seals.
- radial shaft seals or labyrinth seals are also known to the person skilled in the art.
- the second object is achieved by a method for cooling a strand guide roller in a continuous casting by a cooling medium, wherein the strand guide roller
- the cavity has a left cavity, a longitudinal space, and a right cavity, wherein
- the cooling medium from the left cavity flows into a longitudinal space between a Wasserleitmantel and the roller shell;
- the cooling medium flows through the longitudinal space in the axial direction; and subsequently
- the cooling medium flows from the longitudinal space into the right-hand cavity.
- a so-called peripherally cooled strand guide roller is formed.
- the cooling medium as it flows through the longitudinal space, performs a tangential movement about the stationary axis in addition to the axial movement.
- FIG. 1 is a perspective view of a strand guide roller according to the invention
- FIG. 2 is a view from the right of the strand guide roller according to FIG
- FIG. 4 shows a sectional view along the lines A-A of FIG. 2
- FIG. 5 shows a perspective view of a first variant of a water-conducting jacket
- FIG. 6 shows a perspective view of a second variant of a water guide jacket
- FIG. 7 shows a longitudinal section to FIG. 6
- Description of the embodiments 1 shows a perspective view of a non-driven strand guide roller 30 according to the invention for supporting and guiding a steel strand with billet or pre-block profile in a continuous casting machine.
- the steel strand (not shown) is supported on the cylindrical surface of the rotatable roller shell 12, the roller shell 12 being rotatably mounted on the stationary axle 11 via bearings 13a, 13b (see FIG. 4) not shown in FIG.
- FIG. 2 shows a side view of the strand guide roller 30 from FIG.
- Each bearing block 10a, 10b can be connected via eccentric bores and not shown fastening means, such as screws, with the strand guide or a segment of the strand guide.
- FIG. 3 shows schematically a right bearing block 10b and the flow of the bearing block through a cooling medium (for example water).
- a cooling medium for example water
- the cooling water as shown by the lower arrow, from below into the bearing block 10b and flows in a vertical direction upwards. Subsequently, the cooling water is deflected four times by 90 °, so that the cooling water in a closed cavity 14, the stationary axle 11 can flow completely around. This ensures uniform cooling of the axle 11 or of the roller mantle 12 connected to the axle.
- the cooling water can enter from the cavity 14 via a radial stub 15 in an axial line 22 within the axis 11.
- FIG. 4 shows that the cooling water from the branch line 15 is delimited via an axial line 22 and a radial bore into a cavity 14, 14a, which is bounded by the stationary shaft 11, the rotatable bearing housing 23, and the water-conducting jacket 1. can occur.
- the preload seal has on its inner surface three dynamic sealing elements (concretely slip rings) and on the outer lateral surface of two static sealing elements (here 0- rings). In operation, the co-rotating supports
- the bearing 13a is sealed relative to the bearing block 10a via a labyrinth seal 19 and a radial shaft sealing ring 18.
- the Wasserleitmantel 1 shown in more detail in Figure 6 has the following functions: On the one hand, a hydraulic short circuit between the left cavity
- the stationary axle 11 is non-positively connected to a bearing block 10a, 10b.
- the bearing housing 23 is connected via a tight weld with the roller shell 12.
- the Wasserleitmantel has a thin-walled cylindrical tube 2 made of sheet metal, an axial outer web 6, which extends in the axial direction x over the length of the tube 2, and a plurality, arranged in the axial direction one behind the other, spaced tangential outer webs 5.
- the guide casing also comprises on the inner circumferential surface of the tube 2 at least one, here two, inner webs 9.
- the inside of the roll mantle 12 is cooled by the cooling water in the direction shown by the arrows.
- FIG. 6 shows a second variant of the water-conducting jacket 1.
- the cooling water spirals around the water-conducting jacket 1 or the inner surface of the roll jacket 12.
- FIG. 7 shows a longitudinal section through the water-conducting jacket 1 from FIGS. 4 and 6.
- the spiral-shaped outer web 8 and the inner webs 9 are welded to the tube 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA590/2013A AT514625B1 (en) | 2013-07-24 | 2013-07-24 | Chilled strand guide roller |
PCT/EP2014/065741 WO2015011149A2 (en) | 2013-07-24 | 2014-07-22 | Cooled strand guide roller |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3024611A2 true EP3024611A2 (en) | 2016-06-01 |
EP3024611B1 EP3024611B1 (en) | 2017-08-30 |
EP3024611B2 EP3024611B2 (en) | 2020-05-06 |
Family
ID=51265665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14747330.0A Active EP3024611B2 (en) | 2013-07-24 | 2014-07-22 | Cooled strand guide roller |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3024611B2 (en) |
KR (1) | KR101701313B1 (en) |
CN (1) | CN105592958B (en) |
AT (1) | AT514625B1 (en) |
ES (1) | ES2650315T3 (en) |
RU (1) | RU2633166C2 (en) |
UA (1) | UA114853C2 (en) |
WO (1) | WO2015011149A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT517521B1 (en) * | 2015-07-27 | 2019-08-15 | Primetals Technologies Austria GmbH | Leading a metallic strand in a continuous casting plant |
WO2017125529A1 (en) * | 2016-01-21 | 2017-07-27 | Primetals Technologies Austria GmbH | Strand guiding roller for guiding a metal strand in a continuous casting facility |
US11110511B2 (en) * | 2018-03-22 | 2021-09-07 | Roser Technologies, Inc. | Continuous caster roll having a spiral fluted axle |
KR102142764B1 (en) * | 2018-08-22 | 2020-08-10 | 주식회사 포스코 | Treating apparatus for melting material, heat recovering apparatus and generating system having thereof |
JP7311370B2 (en) | 2019-09-18 | 2023-07-19 | Jfeスチール株式会社 | Bearing boxes for rotary rolls that carry high-temperature objects |
DE102020200001A1 (en) * | 2020-01-01 | 2021-07-01 | Aktiebolaget Skf | Roller line unit & continuous caster |
CN113560511A (en) * | 2021-07-27 | 2021-10-29 | 宜春市龙腾机械电气有限公司 | Intelligent simulation spraying belt equipment for ultrathin soft magnetic silicon steel sheet |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1583619A1 (en) | 1967-12-07 | 1970-08-20 | Demag Ag | Transport or support roller for metal, especially steel continuous casting plants |
DE3823655A1 (en) | 1988-07-08 | 1990-01-11 | Mannesmann Ag | Support and/or conveying roller for metal |
US6261487B1 (en) * | 1996-03-16 | 2001-07-17 | Brunckner Maschinenbau Gmbh | Method of and machine for controlling the nip of the rolls of a calender as an endless planar web is continuously passed through the nip |
RU2120349C1 (en) * | 1997-10-21 | 1998-10-20 | Открытое акционерное общество "Северсталь" | Roller for metal continuous casting plant |
TW422895B (en) * | 1997-10-28 | 2001-02-21 | Sms Scholoemann Siemag Aktieng | Current roller for electrolytic stratification device for strip |
DE10302474A1 (en) * | 2003-01-23 | 2004-08-05 | Sms Demag Ag | Cooling of rolls in continuous casting plants |
AT412851B (en) * | 2003-07-18 | 2005-08-25 | Voest Alpine Ind Anlagen | INDOOR COOLED EXTRACTOR ROLL |
AT502695A1 (en) * | 2005-10-20 | 2007-05-15 | Voest Alpine Ind Anlagen | METHOD FOR THE PRODUCTION OF A PILLAR ROLLER, A PILOT MANAGEMENT PROCESS MANUFACTURED BY THE METHOD AND THE USE THEREOF |
AT502694B1 (en) * | 2005-10-20 | 2007-10-15 | Voest Alpine Industrienanlagen | STRAND LEADERSHIP |
CN201376077Y (en) * | 2009-04-24 | 2010-01-06 | 金真 | Water cooling device installed on conticaster roller |
JP5374635B2 (en) | 2009-09-04 | 2013-12-25 | ゲオルグ・スプリングマン・インダストリー−ウント・ベルグバウテクニク・ゲーエムベーハー | Roller and roller equipment for continuous casting equipment |
WO2011065882A1 (en) * | 2009-11-27 | 2011-06-03 | Aktiebolaget Skf | Bearing housing for a rolling bearing and a roll line for a continuous casting machine incorporating such a rolling bearing housing |
AT509688B1 (en) * | 2010-03-26 | 2012-02-15 | Siemens Vai Metals Tech Gmbh | STORAGE AND INTRODUCTION FOR A COOLED ROLL |
-
2013
- 2013-07-24 AT ATA590/2013A patent/AT514625B1/en active
-
2014
- 2014-07-22 RU RU2016105761A patent/RU2633166C2/en active
- 2014-07-22 UA UAA201600476A patent/UA114853C2/en unknown
- 2014-07-22 WO PCT/EP2014/065741 patent/WO2015011149A2/en active Application Filing
- 2014-07-22 EP EP14747330.0A patent/EP3024611B2/en active Active
- 2014-07-22 ES ES14747330.0T patent/ES2650315T3/en active Active
- 2014-07-22 KR KR1020167004684A patent/KR101701313B1/en active IP Right Grant
- 2014-07-22 CN CN201480042042.XA patent/CN105592958B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015011149A3 * |
Also Published As
Publication number | Publication date |
---|---|
AT514625A1 (en) | 2015-02-15 |
KR20160037191A (en) | 2016-04-05 |
ES2650315T3 (en) | 2018-01-17 |
CN105592958B (en) | 2017-09-29 |
KR101701313B1 (en) | 2017-02-01 |
CN105592958A (en) | 2016-05-18 |
WO2015011149A2 (en) | 2015-01-29 |
AT514625B1 (en) | 2018-07-15 |
EP3024611B1 (en) | 2017-08-30 |
RU2016105761A (en) | 2017-08-29 |
WO2015011149A3 (en) | 2015-04-09 |
EP3024611B2 (en) | 2020-05-06 |
UA114853C2 (en) | 2017-08-10 |
RU2633166C2 (en) | 2017-10-11 |
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