EP2783773B1 - Dispositif et procédé d'extraction d'une brique de barbotage d'une paroi d'un récipient métallurgique - Google Patents

Dispositif et procédé d'extraction d'une brique de barbotage d'une paroi d'un récipient métallurgique Download PDF

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Publication number
EP2783773B1
EP2783773B1 EP14162500.4A EP14162500A EP2783773B1 EP 2783773 B1 EP2783773 B1 EP 2783773B1 EP 14162500 A EP14162500 A EP 14162500A EP 2783773 B1 EP2783773 B1 EP 2783773B1
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EP
European Patent Office
Prior art keywords
gas purging
unlocking
coupling device
coupling
purging plug
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EP14162500.4A
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German (de)
English (en)
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EP2783773A1 (fr
Inventor
Roland Heeg
Philipp Bartel
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SMS Group GmbH
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SMS Group GmbH
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Publication of EP2783773A1 publication Critical patent/EP2783773A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters

Definitions

  • the invention relates to a device and a method for extracting a gas purging plug with a gas purging pipe from a perforated brick, which is arranged in the wall of a metallurgical vessel.
  • EP 2 343 386 A1 a device for extracting a gas purging plug from the wall of a metallurgical vessel with a coupling device for coupling to the gas purging of the gas purging plug, with a traversing device for moving the coupling device with or without the coupled gas purging plug and with a support device for supporting the associated with the support displacement device against the outside of the metallurgical vessel and for positioning the coupling device with respect to the gas purging plug.
  • DE 298 07 416 U1 also a device for extracting a gas purging plug from the wall of a metallurgical vessel with a coupling device in the form of a bell, at the periphery of a plurality of radially acting into the interior of the bell engaging elements, wherein the engagement elements serve for engaging behind a flange-like projection on the outside of the gas purging pipe , Outside the coupling device, an unlocking device is provided, which is displaceable coaxially to the coupling device for Moving the engaging radially outward and thus unlocking the gas purging plug from the coupling device.
  • the invention has the object of developing a known device and a known method for extracting a gas purging plug from the wall of a metallurgical vessel to the effect that the device and the method are less expensive to realize and easier to handle.
  • the flange-like projection may also be part of a groove in the gas purging line.
  • the locking compression springs offer the advantage that the locking of the gas purging line in the coupling device still works reliably even in cases where a radial offset between the longitudinal axis of the coupling device and the longitudinal axis of the introduced into the coupling device gas purging should be given when coupling.
  • the radial bias of the engaging elements via the individually associated locking springs allows an individual radial movement of the engaging elements over different radial distances, as in the described radial offset is required to allow even in this case still a safe engaging behind or a secure locking.
  • the radial bias when coupling the coupling device to the gas purging plug ensures automatic snapping of the engaging elements behind the flange-like projection on the gas purging line when the coupling device is correctly positioned. This only requires the traversing device for the coupling device, but no separate drive for the engaging elements.
  • the coupling device and the unlocking device although not rigid, but yet resiliently coupled to each other via the claimed Entriegelungstikfeder.
  • This elastic coupling has the advantage that for pulling out the gas purging plug from the wall of the metallurgical vessel and for unlocking the device or the coupling device of the coupled gas purging plug in a discharge position only a single drive means in the form of the claimed traversing required.
  • the device according to the invention is designed so that it allows the automatic execution of said functions even waiving the evaluation of proximity sensors.
  • the usage of Proximity sensors may be helpful in monitoring the performance of the above functions.
  • the claimed traversing device is preferably designed as a piston-cylinder unit; However, it can alternatively also z. B. be designed as a spindle drive.
  • FIG. 1 shows a longitudinal section through the device according to the invention in a coupling position, ie when it is coupled to the gas purging line 210 of a gas purging plug 200 in the wall 310 of a metallurgical vessel.
  • the device 100 comprises a hood-shaped support device 130, which is employed by means of a robot on the outside of the wall 310 of a metallurgical vessel.
  • the support device 130 for example via a buffer device, in FIG. 1 not shown, connected to the robotic arm 420 of the robot.
  • the supporting device 130 is set against the wall 310 in such a way that it covers the gas purging plug 200 and its gas purging line 210.
  • the device comprises a coupling device 110 in the form of a bell with a plurality of circumferentially spaced engaging elements for engaging behind a flange projection 212 on the outside of the gas purging line 210.
  • Each of the engaging elements 112 is associated with a locking compression spring 115 for biasing the engaging elements radial direction.
  • the coupling device 110 is connected to a displacement device 120 for the axial movement of the coupling device 110 with or without the coupled gas purging plug 200.
  • the shuttle is located at the in FIG. 1 shown embodiment in the form of a piston-cylinder unit, in which a piston 122 is mounted axially displaceably with a piston rod 124 in a cylinder 126.
  • the coupling device 110 is fastened to the piston-distal end of the piston rod 124.
  • the piston-cylinder unit attached to one side of a bottom plate 132 of the hood-shaped support device.
  • the piston rod 124 is guided freely displaceable through an opening in the bottom plate 132.
  • the coupling device 110 which is attached to the distal end of the piston rod 124, on the other side of the bottom plate 132, here within the hood-shaped support means 130th
  • the device 100 comprises an unlocking device 140, which is also bell-shaped. It surrounds the coupling device 110 substantially coaxially.
  • the unlocking device 140 comprises a bottom plate in the form of a perforated disc 144 and distributed at its periphery a plurality of axially, but parallel to the longitudinal axis of the piston rod 124, extending unlocking elements 146.
  • the unlocking elements 146 are fixed at one end to the perforated disc 144 and are on its other opposite end 147 formed wedge-shaped.
  • the number of unlocking elements 146 corresponds to the number of engaging elements 112, because according to the invention, each of these engaging elements 112 must be assigned an unlocking element 146.
  • the unlocking device 140 is elastically connected via a Entriegelungsdruckfeder 142 in the axial direction with the coupling device 110.
  • the unlocking device 140 is pushed onto the piston rod 124, wherein the piston rod 124 is guided freely displaceable through a hole in the perforated disc 144 of the unlocking device.
  • the unlocking device is aligned such that the wedge-shaped ends 147 their unlocking elements 146 can be brought into engagement with the engagement elements 112.
  • the perforated disc 144 of the unlocking device is mounted axially displaceably between the coupling device 110 and the bottom plate 132 of the support device 130. In this way, the unlocking device 140, as far as it allows a travel limit for the unlocking elements 146, also relative to the coupling device 110 axially displaceable.
  • axial is used in the present description for the designation of a direction corresponding to the longitudinal axis of the piston rod; the reference numeral for the axial direction is a. Perpendicular to this, the radial direction r is aligned.
  • FIG. 2 shows a detailed view of the coupling device 110 from FIG. 1 with the engagement elements 112. Wedge-shaped stops 114 of the engagement elements for raising and slipping the wedge-shaped ends 147 of the unlocking elements 146 are clearly visible.
  • the bottom of the bell-shaped coupling device 110 has the reference number 118.
  • FIG. 3 shows the device 100 according to the invention in a transport position.
  • the gas purging plug 200 is pulled out of the perforated brick or the wall 310 of the metallurgical vessel.
  • the support device 130 is still supported on the wall 310 of the metallurgical vessel, however, the coupling device 110 with the coupled gas purging plug 200 is moved further under the support device 130 or into its interior; specifically so far that the perforated disc 144 or bottom plate of the unlocking device 140 abuts against the bottom plate 132 of the support device 130 or this has approached by less than a predetermined second maximum distance d2.
  • This approximation can be detected by means of a second proximity sensor 160.
  • the second proximity sensor 160 could, for example, be arranged on the perforated disc 144 of the unlocking device or on the bottom plate 132 of the supporting device. It's important, that in the transport position the unlocking compression spring 142 is still relaxed or biased only, ie a fourth predetermined distance d4 between the bottom 118 of the coupling device 110 and the bottom plate 132 of the support device has not fallen below. The distance between the bottom plate 118 of the coupling device 110 and the bottom plate 132 of the support device 130 can be monitored by means of a third proximity sensor 170.
  • the third proximity sensor could be, for example, at the bottom of the coupling device or, as in FIG FIG. 3 shown to be arranged on the bottom plate of the support device. In the transport position, the entire apparatus 100 together with the coupled gas purging plug can be moved away from the wall 310 of the metallurgical vessel with the aid of the robot.
  • the three situations of coupling, pulling out the gas purging plug into a transport position and disconnecting or unlocking the gas purging plug from the coupling device 110 are to be distinguished. All three situations are described in more detail below.
  • the support device 130 is adjusted by means of a robot to the wall 310 of the metallurgical vessel such that the gas purging line 210 of the gas purging plug 200 to be extracted at least approximately with the longitudinal axis of the piston rod 124 flees.
  • a certain offset between the longitudinal axes of the two components mentioned and / or tilting is tolerable.
  • the coupling device 110 is then to move with the aid of the shuttle 120 to the gas purging plug 200.
  • the approach to the gas purging plug can be monitored by means of a first proximity sensor 150. Specifically, it can be ensured in this way that a permissible maximum distance between z. B. the front side of the coupling device and the end face of the gas purging plug is smaller than a permissible maximum distance d1.
  • the proximity switch 150 is designed to monitor the falling below a predetermined distance d1; when reaching or falling below the predetermined first maximum distance d1, the coupling position, in which the coupling device is coupled to the gas purging line, is reached.
  • the first proximity sensor 150 may be arranged, for example, on the front side of the coupling device 110 facing the gas purging plug, as shown in FIG FIG. 1 is shown.
  • the coupling device is preferably designed so that upon reaching or falling below the maximum distance d1, the coupling device 110 is pushed so far over the Gas Jardin endeavour 210 that the engagement elements 112 snap in due to their radial bias by the locking compression springs 115 into a groove in the gas purging 210 and thus a projection Engage 212 in the gas purging pipe.
  • This situation is called coupling position and is in the Figures 1 and 2 shown. In the coupling position, the engagement elements 112 are in a locked position.
  • the radially biased engaging elements are chamfered or chamfered at its the gas purging plug 200 side facing, as shown in FIG. 2 is clearly visible. This slope simplifies the temporary radial Retreat of the engaging radially outward when sliding onto the gas purging 210th
  • the gas purging plug 200 is pulled out of the wall 310 of the metallurgical vessel, possibly from a perforated brick 320.
  • the coupling device 110 together with the gas purging plug 200 coupled thereto, is pulled out of a perforated brick 320 with the aid of the displacement device 120.
  • the coupling device 110 with the aid of the piston rod 124 by a first distance S1 further under the hood-shaped support means 130, that is further drawn into this into a so-called transport position.
  • This transport position is in FIG. 3 shown.
  • the transport position is typically reached when a predetermined maximum distance d2 between the perforated disc 144 of the unlocking and the bottom plate 132 is reached or fallen below. This can be detected with the aid of a second proximity sensor 160. Just like the first maximum distance d1, the second maximum distance d2 can also be set to 0 cm; at the in FIG. 3 As shown, this is the case. It is important that in this in FIG. 3 shown transport position the Entriegelungs réellefeder 142 is basically still relaxed or just biased, but at least not compressed beyond an acceptable level. This is important because in the transport position the gas purging plug 200 must remain securely coupled to the coupling device 110, which is only ensured if the engagement elements 112 are in their locking position described above. An excessive compression of the Entriegelungsdruckfeder 142 and thus an undesirable here relative displacement between the unlocking 140 and the coupling device 110 would lead in the present case to an unwanted unlocking of the gas purging plug 200 of the coupling device 110.
  • Unlocking is desired only when the device according to the invention was moved together with the still coupled gas purging plug with the help of the robot to a Abschort.
  • the device 100 according to the invention is preferably rotated relative to the coupling position by 90 ° to the gas purging 200 z. B. to drop over a disposal container due to its weight; this is in FIG. 4 indicated by the vertical arrow pointing downwards.
  • the device 100 is moved to a discharge position and unlocked there.
  • the coupling device 110 is moved further into the supporting device 130 with the aid of the traversing device 120, more precisely with the aid of the piston rod 124.
  • the process is carried out deliberately against the force of Entriegelungstikfeder 142, wherein this is compressed, as in FIG. 4 can be seen.
  • Said retraction of the coupling device 110 can be carried out until a predetermined third maximum distance d3 between the perforated disc 144 and the bottom plate 132 is reached or undershot.
  • the reaching or falling below the third maximum distance can be detected by means of a third proximity sensor 170.
  • the unlocking elements 146 are displaced coaxially with the coupling device 110 and relative thereto. Concretely, the wedge-shaped ends 147 of the unlocking elements 146 then slide on the wedge-shaped stops 114 of the engagement elements 112 during this relative movement, as a result of which the engagement elements are displaced radially outward against the force of the locking compression springs 115. Both the sliding of the unlocking elements 146 as well as the displacement of the engagement elements 112 radially outward in the FIGS. 5a and 5b to recognize. Due to the displacement to the outside, the engagement elements 112 are pulled out of the groove in the gas purging line 210 and Thus, the gas purging plug 210 is unlocked or released. This position of the engagement elements 112 is also referred to as the unlocked position. In the unlocked state, the gas purging plug 200 may fall off the coupling device due to its weight, as shown in FIG FIG. 5b is shown.
  • the key advantage of the device according to the invention is the fact that all three functions mentioned, namely the coupling of the coupling device 110 to the Gas Jardin Gustav 210, the withdrawal of the gas purging plug from the hole stone in a transport position and unlocking alone with a single drive device, namely the said traversing device can take place by the coupling device being moved into three different positions, namely the said coupling position, transport position or discharge position or unlocking position.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manipulator (AREA)

Claims (19)

  1. Dispositif (100) pour le retrait d'une brique de balayage de gaz (200) comprenant un conduit de balayage de gaz (210) hors de la paroi (310) d'une cuve métallurgique, comprenant :
    - un mécanisme d'accouplement (110) pour l'accouplement au conduit de balayage de gaz (210) de la brique de balayage de gaz ;
    - un mécanisme de déplacement (120) pour le déplacement du mécanisme d'accouplement (110) avec ou sans la brique de balayage de gaz à l'état accouplé ; et
    - un mécanisme de support (130) pour le support du mécanisme de déplacement (120) relié au mécanisme de support contre le côté externe de la cuve métallurgique et pour le positionnement du mécanisme d'accouplement (110) par rapport à la brique de balayage de gaz (200) ;
    dans lequel
    le mécanisme d'accouplement (110) est réalisé sous la forme d'une cloche comprenant une multitude d'éléments d'engrènement (112) disposés en étant répartis sur sa périphérie, destinés à venir s'engrener à l'arrière d'une saillie (212) en forme de bride contre le côté externe du conduit de balayage de gaz (210) ; et
    à chacun des éléments d'engrènement (112) est attribué un ressort de pression de verrouillage (115) pour mettre les éléments d'engrènement en état de précontrainte en direction radiale ;
    caractérisé en ce que
    les éléments d'engrènement (112) viennent s'insérer par déclic, sur base de leur précontrainte radiale via les ressorts de pression de verrouillage (115) dans une rainure dans le conduit de balayage de gaz (210) et viennent ainsi s'engrener à l'arrière de la saillie (212) dans le conduit de balayage de gaz.
  2. Dispositif (100) selon la revendication 1, caractérisé en ce qu'on prévoit un mécanisme de déverrouillage (140) attribué au mécanisme d'accouplement (110), qui est réalisé en position coaxiale par rapport au mécanisme d'accouplement et qui est à même de se déplacer par rapport au mécanisme d'accouplement pour le déverrouillage du conduit de balayage de gaz par rapport au mécanisme d'accouplement via le déplacement des éléments d'engrènement (112) en direction radiale vers l'extérieur à l'encontre de la force exercée par les ressorts de pression de verrouillage respectifs (115) ; et on prévoit un ressort de pression de déverrouillage (142) pour la liaison réciproque du mécanisme d'accouplement (110) et du mécanisme de déverrouillage (140) en direction radiale.
  3. Dispositif (100) selon l'une quelconque des revendications précédentes 1 ou 2, caractérisé en ce que le mécanisme de déplacement (120) est réalisé sous la forme d'une unité du type piston-cylindre dans laquelle un piston (122) comprenant une tige de piston (124) est monté en mobilité dans un cylindre (126) et dans lequel le mécanisme d'accouplement (110) est fixé à l'extrémité de la tige de piston éloignée du piston.
  4. Dispositif (100) selon la revendication 3, caractérisé en ce que l'unité de type piston-cylindre est fixée à un côté d'une plaque de base (132) du mécanisme de support en forme de capot ; la tige du piston (124) est guidée en déplacement libre à travers une ouverture dans la plaque de base ; et la tige du piston (124) à laquelle est fixé le mécanisme d'accouplement (110) est disposée sur l'autre côté de la plaque de base, en dessous du mécanisme de support (130) en forme de capot.
  5. Dispositif (100) selon l'une quelconque des revendications précédentes 2 à 4, caractérisé en ce que le mécanisme de déverrouillage (140) en forme de cloche présente une plaque de base sous la forme d'un disque perforé (144) et, à l'état réparti sur sa périphérie, une multitude d'éléments de déverrouillage (146) s'étendant parallèlement à l'axe longitudinal de la tige de piston (124), qui sont fixés, à une de leurs extrémités, au disque perforé (144) et qui sont réalisés à leur autre extrémité (147) respectivement en une configuration cunéiforme ; et dans lequel, à chacun des éléments d'engrènement (112) est attribué de manière individuelle un élément de déverrouillage (146) pour le déplacement de l'élément d'engrènement respectif (112) lors du déverrouillage en direction radiale vers l'extérieur.
  6. Dispositif (100) selon la revendication 5, caractérisé en ce que le mécanisme de déverrouillage (140) glisse sur la tige du piston (124), qui est guidée à travers un trou dans le disque perforé (144), d'une manière telle que les extrémités (147) de configuration cunéiforme, du mécanisme de déverrouillage peuvent venir s'engrener avec les éléments d'engrènement (112), et en ce que le disque perforé (144) du mécanisme de déverrouillage est monté en déplacement axial entre le mécanisme d'accouplement (110) et la plaque de base (132) du mécanisme de support (130).
  7. Dispositif (100) selon la revendication 6, caractérisé en ce que les éléments d'engrènement (112) présentent respectivement une butée (114) de configuration cunéiforme pour le glissement ascendant et descendant des extrémités (147) de configuration cunéiforme des éléments de déverrouillage.
  8. Dispositif (100) selon l'une quelconque des revendications précédentes, caractérisé par un premier détecteur de proximité (150) destiné à détecter le fait que le mécanisme d'accouplement (110) se rapproche de la brique de balayage de gaz, le premier détecteur de proximité étant disposé par exemple contre le côté frontal du mécanisme d'accouplement (110), tourné vers la brique de balayage de gaz.
  9. Dispositif (100) selon l'une quelconque des revendications précédentes, caractérisé par un deuxième détecteur de proximité (160) destiné à détecter le fait que le disque perforé (144) du mécanisme de déverrouillage (140) se rapproche de la plaque de base (132) du mécanisme de support, le deuxième détecteur de proximité (160) étant disposé par exemple contre le disque perforé (144) du mécanisme de déverrouillage (140) ou contre la plaque de base (132) du mécanisme de support.
  10. Dispositif (100) selon l'une quelconque des revendications précédentes, caractérisé par un troisième détecteur de proximité (170) destiné à détecter le fait que la base (118) du mécanisme d'accouplement (110) se rapproche de la plaque de base du mécanisme de support, le troisième détecteur de proximité étant disposé par exemple contre la base du mécanisme d'accouplement ou contre la plaque de base (132) du mécanisme de support.
  11. Système présentant
    un robot comprenant un bras de robot (420) ; et
    un dispositif (100) selon l'une quelconque des revendications précédentes ;
    dans lequel le mécanisme de support (130) peut se raccorder - de préférence via un mécanisme tampon - au bras de robot pour le placement du dispositif contre le côté externe de la cuve métallurgique via le conduit de balayage de gaz (210).
  12. Procédé pour le retrait d'une brique de balayage de gaz (200) hors de la paroi (310) d'une cuve métallurgique à l'aide du dispositif (100) selon l'une quelconque des revendications précédentes, présentant les étapes suivantes consistant à :
    - placer le mécanisme de support (130) en forme de capot contre la paroi de la cuve via un conduit de balayage de gaz faisant saillie par rapport à la brique de balayage de gaz (200) ;
    - relier le mécanisme d'accouplement (110) ou conduit de balayage de gaz (210) de la brique de balayage de gaz (200) ;
    - retirer la brique de balayage de gaz (200) hors de la paroi de la cuve métallique ; et
    - séparer la brique de balayage de gaz (200) du mécanisme d'accouplement (110) ;
    caractérisé en ce que,
    pour relier le conduit de balayage de gaz (210) au mécanisme d'accouplement (110) on déplace le mécanisme d'accouplement en forme de cloche avec son côté ouvert au-delà de l'extrémité libre du conduit de balayage de gaz (210) dans la direction qui s'éloigne du mécanisme de support (130) jusqu'à ce que les éléments d'engrènement (112), sur base de leur précontrainte en direction radiale, viennent s'engrener à l'arrière d'une saillie (212) en forme de bride contre le côté externe du conduit de balayage de gaz.
  13. Procédé selon la revendication 12, caractérisé en ce que, lors du retrait de la brique de balayage de gaz (200) hors de la paroi de la cuve métallurgique, on soumet le mécanisme d'accouplement (110) auquel est accouplée la brique de balayage de gaz, à un déplacement supplémentaire par traction sur un premier tronçon (S1) pour l'amener à l'intérieur du mécanisme de support en forme de capot, dans une position de transport.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que, pour la séparation de la brique de balayage de gaz (200) par rapport au mécanisme d'accouplement (110), on soumet le mécanisme d'accouplement auquel est accouplée la brique de balayage de gaz à un déplacement supplémentaire à l'encontre de la force de ressort exercée par le ressort de pression de déverrouillage (142) par rapport au mécanisme de déverrouillage (140) par traction sur un deuxième tronçon (S2) pour l'amener à l'intérieur du mécanisme de support (130) en forme de capot, dans une position de largage, par laquelle, de manière simultanée, les extrémités (147) de configuration cunéiforme, des éléments de déverrouillage, sont amenés progressivement plus en engrènement avec les éléments d'engrènement (112) et par laquelle les éléments d'engrènement sont soumis à un déplacement à l'encontre de la force exercée par les ressorts de pression de verrouillage (115) depuis une position de verrouillage, en direction radiale vers l'extérieur, jusque dans une position de déverrouillage.
  15. Procédé selon la revendication 12, caractérisé en ce que le placement du mécanisme de support (130) contre la paroi (310) de la cuve métallurgique et le transport du mécanisme de support avec la brique de balayage de gaz dans la position de transport ont lieu à l'aide d'un robot auquel est raccordé le dispositif selon l'une quelconque des revendications 1 à 11.
  16. Procédé selon la revendication 12, caractérisé en ce que, lors du déplacement du mécanisme d'accouplement (110) avec son côté ouvert au-delà de l'extrémité fibre du conduit de balayage de gaz (210), l'approche du mécanisme d'accouplement par rapport à la brique de balayage de gaz (200) est détectée en dessous d'une première distance maximale prédéfinie (d1) à l'aide du premier détecteur de proximité (150), la première distance maximale étant mesurée d'une manière telle que les éléments d'engrènement (112) viennent s'engrener de manière sûre et certaine à l'arrière de la saillie (212) en forme de bride contre le côté externe du conduit de balayage gaz (210).
  17. Procédé selon la revendication 13, caractérisé en ce que, lors du déplacement du mécanisme d'accouplement (110) auquel est accouplé la brique de balayage de gaz (200) sur le premier tronçon (S1) pour pénétrer dans le mécanisme de support (130) en forme de capot et prendre la position de transport, le mécanisme de déverrouillage (140) - sur base de son accouplement au mécanisme d'accouplement via le ressort de pression de déverrouillage (142) - se déplace de manière simultanée en dessous du mécanisme de support en forme de capot.
  18. Procédé selon la revendication 17, caractérisé en ce que, lors de l'approche du mécanisme de déverrouillage (140) par rapport à la plaque de base (132) du mécanisme de support, le dépassement vers le bas d'une deuxième distance maximale prédéterminée (d2) est détecté à l'aide du deuxième détecteur de proximité (160) et interprété comme étant le fait d'avoir atteint la position de transport.
  19. Procédé selon la revendication 18, caractérisé en ce que le dépassement vers le bas d'une troisième distance maximale prédéterminée entre la base (118) du mécanisme d'accouplement (110) et la plaque de base (132) du mécanisme de support est détecté à l'aide d'un troisième commutateur de proximité (170) et interprété comme étant le fait d'avoir atteint la position de déverrouillage, lorsque le mécanisme d'accouplement (110) auquel est accouplée la brique de balayage de gaz (200) est soumis, à l'encontre de la force exercée par le ressort de pression de déverrouillage (142), à un déplacement supplémentaire par traction sur le deuxième tronçon (S2) jusque dans le mécanisme de support (130) en forme de capot pour prendre une position de largage.
EP14162500.4A 2013-03-28 2014-03-28 Dispositif et procédé d'extraction d'une brique de barbotage d'une paroi d'un récipient métallurgique Active EP2783773B1 (fr)

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DE102013205536 2013-03-28
DE102013224641 2013-11-29

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EP2783773B1 true EP2783773B1 (fr) 2017-02-01

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EP14162500.4A Active EP2783773B1 (fr) 2013-03-28 2014-03-28 Dispositif et procédé d'extraction d'une brique de barbotage d'une paroi d'un récipient métallurgique

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396885B (de) 1990-09-14 1993-12-27 Veitscher Magnesitwerke Ag Vorrichtung zum einbau und ausbau von spülsteinen für metallurgische gefässe
DE29807416U1 (de) 1998-04-27 1998-08-13 Veitsch-Radex AG für feuerfeste Erzeugnisse, Wien Vorrichtung zum Ein- und Ausbau von Spülsteinen
CA2298399A1 (fr) * 2000-02-16 2001-08-16 Gamma Engineering Ltd. Appareil d'extraction d'ajutage et de bouchon poreux
DE102005018020B4 (de) 2005-04-18 2007-05-03 esb Schweißbetrieb Burbach & Bender GmbH & Co. KG Auszieh- und Eindrückvorrichtung für einen Gasspülstein
CH699948A2 (de) 2008-11-17 2010-05-31 Stopinc Ag Behälter für Metallschmelze sowie ein Verfahren zur auswechselbaren Befestigung eines feuerfesten Spülsteins oder einer feuerfesten Hülse.
DE102010004958A1 (de) 2010-01-12 2011-07-14 SMS Siemag Aktiengesellschaft, 40237 Spülstein Ein- und Ausbauwerkzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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