EP2448700A1 - Dispositif de pression pour une busette de coulée dans l'orifice de décharge d'un récipient métallurgique - Google Patents

Dispositif de pression pour une busette de coulée dans l'orifice de décharge d'un récipient métallurgique

Info

Publication number
EP2448700A1
EP2448700A1 EP10730085A EP10730085A EP2448700A1 EP 2448700 A1 EP2448700 A1 EP 2448700A1 EP 10730085 A EP10730085 A EP 10730085A EP 10730085 A EP10730085 A EP 10730085A EP 2448700 A1 EP2448700 A1 EP 2448700A1
Authority
EP
European Patent Office
Prior art keywords
adjustment direction
guide surface
pressing
spring
curved
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
EP10730085A
Other languages
German (de)
English (en)
Other versions
EP2448700B8 (fr
EP2448700B1 (fr
Inventor
Jean-Daniel Cousin
Werner Keller
Benno Steiner
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.)
Refractory Intellectual Property GmbH and Co KG
Stopinc AG
Original Assignee
Refractory Intellectual Property GmbH and Co KG
Stopinc 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=41278537&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2448700(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Refractory Intellectual Property GmbH and Co KG, Stopinc AG filed Critical Refractory Intellectual Property GmbH and Co KG
Priority to EP10730085.7A priority Critical patent/EP2448700B8/fr
Priority to PL10730085T priority patent/PL2448700T3/pl
Publication of EP2448700A1 publication Critical patent/EP2448700A1/fr
Application granted granted Critical
Publication of EP2448700B1 publication Critical patent/EP2448700B1/fr
Publication of EP2448700B8 publication Critical patent/EP2448700B8/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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle

Definitions

  • the invention relates to a casting tube changing device for fixing a replaceable, for the purpose of Auswechseins transversely to the casting direction adjustable pouring tube in a casting position at the spout of a metallurgical container, according to the preamble of claim 1.
  • Document EP-BI 590 114 discloses a casting tube which comprises a lower tubular part coaxial with the casting opening axis and an upper plate. On the bottom of the plate are on both sides of the planar guide surfaces arranged, which are directed obliquely downwards in the casting direction and form a downwardly tapering plate cross-section.
  • the replaceable casting tube is fixed in a casting position by means of a casting tube changing device acting on the guide surfaces, which comprises at least one spring-loaded pressing element which can be pressed against one guide surface of the casting tube.
  • the present invention has for its object to provide a Giessrohr- change device of the type mentioned above, which allows in conjunction with particularly advantageous trained guide surfaces of the Giessrohres optimal pressure force transmission.
  • the respective pressing element is pressed with a curved in the adjustment direction of the pouring tube stepwise or convex or similar head to a curved in its longitudinal direction or in the adjustment direction guide surface of the pouring tube, whereby the pressure forces exerted by the Anpressbolzen optimally, more against the G manrohrö réelle out and thus more evenly acting, transferred.
  • the risk that in particular at the transition from the plate to the tubular part in refractory material cracks occur significantly reduced.
  • better centering of the pouring tube is achieved in Giessposition.
  • FIG. 1 shows a first exemplary embodiment of a casting tube in side view, with three contact pins of a pressure device according to the invention
  • Figure 2 is a section along line II-II in Fig. 1.
  • FIG. 3 in an enlarged scale a section along the line III-III in
  • Fig. 4 shows a second exemplary embodiment of a casting tube in one of
  • FIG. 5 shows a third exemplary embodiment of a pouring tube in one of FIGS.
  • FIG. 6 shows a further exemplary embodiment of a casting tube in a perspective view
  • FIG. 7 shows a longitudinal section through the pouring tube according to FIG. 6;
  • FIGS. 1 to 3 shows an exemplary embodiment of a pressure device according to the invention, with a number and arrangement of the pressure bolts deviating from FIGS. 1 to 3;
  • FIG. 9 shows a further embodiment of a pressure device according to the invention.
  • FIGS. 1 to 3 show a replaceable pouring tube 1 which, by means of a pouring tube changing device, is in a pouring position at the pouring spout of a pouring tube.
  • nes metallurgical container is fixable.
  • the container itself is not shown in the drawing, and of the Giessrohr circuitvorraum only three Anpressbolzen 2 can be seen.
  • the spring-loaded pressure pins 2 act on the pouring tube 1 and press it in a casting position either directly to a refractory sleeve of the container or to a closure plate of a sliding closure attached to the container.
  • the casting tube 1 has a pouring opening 3 and comprises a coaxial to Giessö Maschinensachse a, lower tubular part 4 and an upper plate 5.
  • the plate 5 has on its underside two on both sides of the tubular part 4 arranged guide surfaces 10 which are inclined in the casting direction directed downwards and form a downwardly tapering plate cross-section.
  • the angle ⁇ , the guide surfaces 10 include the Giessö Maschinensachse a, 20 ° to 80 °, preferably 45 °, as shown, amount.
  • the pouring tube 1 for the purpose of Auswechseins transversely to the casting direction, in the direction A of Fig. 3, adjusted and a new pouring tube 1 are brought back into the casting position.
  • the two guide surfaces 10 of the plate 5 are curved in their longitudinal direction or in the adjustment direction A of the pouring tube 1, this stepped wise or convex or bent in a similar manner, such as oval, a polygon, approximately circular etc. They are advantageously with respect to a the Giessö Stammsachse a comprehensive, extending in the direction A center plane of the plate 5 convexly curved, wherein the radius of curvature Rl (Fig. 3) is greater than the maximum distance of the respective guide surface 10 from the casting opening axis a comprehensive center plane of the plate fifth
  • the contact pins 2 are each resiliently pressed against the guide surfaces 10 by a head 2a, which is convexly curved in the adjustment direction A of the casting tube 1 and has a radius of curvature R3 (FIG. 3).
  • the pressure pins 2 are in line contact with the guide surfaces 10.
  • the pressure forces exerted on the plate 5 by the pressure bolts 2 arranged parallel to one another do not run parallel, but are distributed more in the center and thus more evenly distributed.
  • three contact pins 2 each act on the respective guide surface 10.
  • the number of contact pins 2 could be chosen differently.
  • the head height and / or the spring stroke of the individual adjoining Anpressbolzen 2 of the curvature of each Weil matched guide surface 10 and thus optimizes the clamping force.
  • the guide surfaces 10 which are curved in their longitudinal direction or in the adjustment direction A of the pouring tube 1 extend obliquely downwardly in a vertical section, as can be seen in particular in FIG.
  • Fig. 4 shows a pouring tube 1 'with a plate 5', the guide surfaces 10 'in turn in their longitudinal direction or in the adjustment A of the pouring tube 1 have a radius of curvature R4, but in addition are also convex in vertical cross-section, i. have a curvature outwards with a radius R2.
  • the radius of curvature R4 of the guide surfaces 10 'in the adjustment direction A is eccentric with respect to the casting opening axis a, similar to the embodiment according to FIGS. 1 to 3.
  • the guide surfaces 10 " which are curved in their longitudinal direction or in the adjustment direction A of the casting tube 1, are also arched outwards in the vertical cross section with a radius R5.
  • this is a so-called oblique circle variant, in which the curvature having the radius R5 is additionally embodied in an oblique position, for example, of 45 ° to the pouring opening axis a.
  • FIG. 4 and FIG. 5 are in the adjustment direction A of the casting tube 1 'and 1 "convexly curved contact pressure pin 2 in a point contact with the corresponding guide surfaces 10' and 10", wherein on the plate. 5 'or 5 "pressure forces exerted evenly distributed, as in known Giesrohren with even guide surfaces.
  • FIG. 6 and FIG. 7 show a variant of a casting tube 61, which in itself has the same design as that of FIG. 1 to FIG. 3 and therefore the differences are explained below.
  • This casting tube 61 is likewise provided with these guide surfaces 60 according to the invention, which are directed obliquely downward in the casting direction and form a plate cross-section tapering downwards.
  • the main difference with respect to the guide surfaces 10 of Figure 1 is that their radius of curvature R6 is in each case in a horizontal orientation, i. is formed perpendicular to the axis a. This radius of curvature R6 is again greater by a multiple than the radius of the tubular part 64 of the pouring tube 61.
  • FIG. 8 an exemplary embodiment of a contact pressure device 50 according to the invention is illustrated with pressure bolts 2 'arranged perpendicularly or radially to the guide surface 10. There are the four pressure pins 2 'and acting on this, coaxial with the Anpressbolzen 2' disposed spring 51 housed in a housing 52, from which of course the convexly curved in the adjustment direction A heads 2a 'protrude at least partially.
  • the pressing device 70 has a simple, compact design.
  • FIG. 9 shows a further embodiment of a casting tube changing device 70 according to the invention, in which the respective pressing element is not designed as a pressure pin, but as a rocker arm 72, whose one arm 73 is connected to the head 72a which is convexly curved in the adjustment direction A of the casting tube provided and another arm 74 is loaded by a spring 71. While the contact pressure of the head, in turn, for example, at an angle of 45 ° to the vertical Giessrohrachse, the respective spring 71 is arranged horizontally. This construction is more complicated than that of FIG. 8 and requires more space, but here the heat on the springs 71 is smaller.
  • the formed radius of curvature of the respective guide surface extends either perpendicularly or at an angle (eg 45 °) to the axis a of the pouring tube.
  • this angle could also be approximately 0 °, ie the radius of curvature would then be aligned parallel to the axis a. Depending on how chosen this angle is, this affects the shape of the guide surface in their longitudinal training.
  • the pressure bolts could also be arranged perpendicular to the curved guide surfaces or to the sections forming the curvature.
  • the pressure bolts could also be in surface contact with the guide surfaces, at least in the casting position, instead of in line contact.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
  • Closures For Containers (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Clamps And Clips (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Medicinal Preparation (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un dispositif presseur pour une busette de coulée dans l'orifice de décharge d'un récipient métallurgique qui est pourvu d'éléments presseurs (2) pouvant être pressés sur des surfaces de guidage (10) d'une busette de coulée (1). La busette de coulée (1) comprend une partie tubulaire (4) ainsi qu'une plaque supérieure (5). Les surfaces de guidage (10) sont disposées sur le côté inférieur de la plaque (5) des deux côtés de la partie tubulaire (4) et orientées en oblique vers le bas. Elles forment une section transversale de plaque se rétrécissant vers le bas. Les éléments presseurs (2) sont respectivement pourvus d'une tête (2a) à courbure convexe dans le sens de réglage (A) de la busette de coulée (1) et peuvent être pressés contre une surface de guidage (10) de la busette de coulée (1) courbée dans sa direction longitudinale ou dans la direction de réglage (A). Ainsi les forces de pression exercées par les boulons presseurs sont transmises de manière optimale, davantage en direction de l'ouverture de la busette de coulée et agissant de ce fait de manière plus uniforme.
EP10730085.7A 2009-07-01 2010-06-30 Dispositif de changement d'une busette de coulée dans l'orifice de décharge d'un récipient métallurgique Active EP2448700B8 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10730085.7A EP2448700B8 (fr) 2009-07-01 2010-06-30 Dispositif de changement d'une busette de coulée dans l'orifice de décharge d'un récipient métallurgique
PL10730085T PL2448700T3 (pl) 2009-07-01 2010-06-30 Urządzenie do wymiany rury odlewniczej przy wylewie zbiornika metalurgicznego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09008614A EP2269751B1 (fr) 2009-07-01 2009-07-01 Coulage de buse
EP10730085.7A EP2448700B8 (fr) 2009-07-01 2010-06-30 Dispositif de changement d'une busette de coulée dans l'orifice de décharge d'un récipient métallurgique
PCT/EP2010/003855 WO2011000517A1 (fr) 2009-07-01 2010-06-30 Dispositif de pression pour une busette de coulée dans l'orifice de décharge d'un récipient métallurgique

Publications (3)

Publication Number Publication Date
EP2448700A1 true EP2448700A1 (fr) 2012-05-09
EP2448700B1 EP2448700B1 (fr) 2014-11-05
EP2448700B8 EP2448700B8 (fr) 2014-12-31

Family

ID=41278537

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09008614A Active EP2269751B1 (fr) 2009-07-01 2009-07-01 Coulage de buse
EP10730085.7A Active EP2448700B8 (fr) 2009-07-01 2010-06-30 Dispositif de changement d'une busette de coulée dans l'orifice de décharge d'un récipient métallurgique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09008614A Active EP2269751B1 (fr) 2009-07-01 2009-07-01 Coulage de buse

Country Status (20)

Country Link
US (2) US8887969B2 (fr)
EP (2) EP2269751B1 (fr)
JP (1) JP5379301B2 (fr)
KR (3) KR20140011428A (fr)
CN (2) CN102427899B (fr)
AR (1) AR077271A1 (fr)
AT (1) ATE510641T1 (fr)
AU (1) AU2010268453B2 (fr)
BR (2) BRPI1011243B1 (fr)
CA (1) CA2762164C (fr)
ES (2) ES2364737T3 (fr)
MX (1) MX2011013084A (fr)
PL (2) PL2269751T3 (fr)
RS (1) RS53047B (fr)
RU (2) RU2509624C2 (fr)
SA (1) SA110310547B1 (fr)
TW (1) TWI454326B (fr)
UA (1) UA99086C2 (fr)
WO (2) WO2011000468A1 (fr)
ZA (2) ZA201109390B (fr)

Cited By (1)

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WO2021110259A1 (fr) 2019-12-04 2021-06-10 Refractory Intellectual Property Gmbh & Co. Kg Buse réfractaire pour coulée pour un dispositif de changement disposé à la sortie d'un récipient métallurgique

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MX2015002196A (es) 2012-09-11 2015-05-08 Refractory Intellectual Prop Dispositivo refractario de colada.
CH707075B1 (de) 2012-10-11 2021-01-15 Refractory Intellectual Property Gmbh & Co Kg Schiebeverschluss für ein Metallschmelze enthaltendes Gefäss.
AR099467A1 (es) * 2014-02-19 2016-07-27 Vesuvius Group Sa Revestimiento de cuchara de colada para colada de metales, conjunto de partes de conjunto de acoplamiento para acoplar dicho revestimiento de cuchara de colada a una cuchara, instalación de colada de metales y proceso de acoplamiento
CN107186202B (zh) * 2014-04-22 2018-09-28 管伟 一种输配电电力金具成型装置
CN106925768B (zh) * 2014-04-22 2018-09-07 赵牧青 一种输配电电力金具成型装置
PL3140066T3 (pl) * 2014-05-05 2018-11-30 Refractory Intellectual Property Gmbh & Co. Kg Ogniotrwała ceramiczna dysza odlewnicza
CH710652B1 (de) * 2015-01-23 2019-06-28 Refractory Intellectual Property Gmbh & Co Kg Schiebeverschluss für einen Metallschmelze enthaltenden Behälter.
US10478890B1 (en) 2016-06-21 2019-11-19 Nucor Corporation Methods of billet casting
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021110259A1 (fr) 2019-12-04 2021-06-10 Refractory Intellectual Property Gmbh & Co. Kg Buse réfractaire pour coulée pour un dispositif de changement disposé à la sortie d'un récipient métallurgique

Also Published As

Publication number Publication date
RS20110549A1 (en) 2012-08-31
EP2448700B8 (fr) 2014-12-31
BRPI1011243B1 (pt) 2021-10-26
SA110310547B1 (ar) 2014-03-13
US20120043354A1 (en) 2012-02-23
BRPI1011182A2 (pt) 2016-12-27
UA99086C2 (en) 2012-07-10
CN102427899A (zh) 2012-04-25
TW201102191A (en) 2011-01-16
RU2012103341A (ru) 2013-08-10
MX2011013084A (es) 2012-01-27
US9314841B2 (en) 2016-04-19
JP2012531310A (ja) 2012-12-10
KR20120040193A (ko) 2012-04-26
TWI454326B (zh) 2014-10-01
RU2011146066A (ru) 2013-05-20
ATE510641T1 (de) 2011-06-15
CN102548687A (zh) 2012-07-04
WO2011000468A1 (fr) 2011-01-06
PL2269751T3 (pl) 2011-09-30
EP2269751B1 (fr) 2011-05-25
WO2011000517A1 (fr) 2011-01-06
ES2364737T3 (es) 2011-09-13
EP2448700B1 (fr) 2014-11-05
ES2527821T3 (es) 2015-01-30
KR101377870B1 (ko) 2014-03-24
BRPI1011243A2 (pt) 2016-11-29
PL2448700T3 (pl) 2015-07-31
ZA201109390B (en) 2013-01-30
US8887969B2 (en) 2014-11-18
RU2509624C2 (ru) 2014-03-20
JP5379301B2 (ja) 2013-12-25
CA2762164A1 (fr) 2011-01-06
RU2545853C2 (ru) 2015-04-10
KR20140011428A (ko) 2014-01-28
US20120119486A1 (en) 2012-05-17
AU2010268453B2 (en) 2012-11-29
AU2010268453A1 (en) 2011-12-08
CA2762164C (fr) 2013-10-01
AR077271A1 (es) 2011-08-17
CN102548687B (zh) 2013-11-20
ZA201109363B (en) 2012-08-29
BRPI1011182B1 (pt) 2022-05-10
CN102427899B (zh) 2014-05-28
RS53047B (en) 2014-04-30
KR101714808B1 (ko) 2017-03-09
EP2269751A1 (fr) 2011-01-05
KR20120027304A (ko) 2012-03-21

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