EP2343386B1 - Outil pour l'installation et l'extraction d'une brique de barbotage - Google Patents

Outil pour l'installation et l'extraction d'une brique de barbotage Download PDF

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Publication number
EP2343386B1
EP2343386B1 EP20110150157 EP11150157A EP2343386B1 EP 2343386 B1 EP2343386 B1 EP 2343386B1 EP 20110150157 EP20110150157 EP 20110150157 EP 11150157 A EP11150157 A EP 11150157A EP 2343386 B1 EP2343386 B1 EP 2343386B1
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EP
European Patent Office
Prior art keywords
handling device
flushing
flange
flushing plug
purging
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.)
Active
Application number
EP20110150157
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German (de)
English (en)
Other versions
EP2343386A1 (fr
Inventor
Hans-Wilhelm Schöck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
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SMS Siemag AG
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2343386A1 publication Critical patent/EP2343386A1/fr
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Publication of EP2343386B1 publication Critical patent/EP2343386B1/fr
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Classifications

    • 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
    • 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
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/161—Introducing a fluid jet or current into the charge through a porous element

Definitions

  • the invention is directed to a purging device which can be fixed on the outside of the vessel bottom of a metallurgical vessel in the region of a purging plug arranged therein and can be coupled to the purging device with a coupling element arranged on a pulling element.
  • foundry ladles are used as a metallurgical vessel having, on the bottom side, a perforated brick with a purge plug inserted therein. These rinsing stones are subject to continuous wear in the respective metallurgical vessel and must be replaced after about 20-30 melts which have been filled and treated in the metallurgical vessel.
  • One known method for exchanging a sink of a ladle comprises the step of purging the respective sink from the hot side of the ladle, i. the hot side of the metallurgical vessel to eject with a long spike from the bottom of the vessel.
  • This procedure is very crude and inaccurate and often leads to the perforated stone, in which the respective sink in the pan bottom is used, is damaged.
  • the insertion of the replacement sink is done manually from the outside of the vessel bottom. Due to the high weight of the purging stones, they are moved into the pebbles, which does not entail a precise introduction and positioning of the replacement purging plug in the respective pitting block.
  • the tension member in one embodiment consists of a traverse, which is translationally movable by means of wedges driven in slots and pulls the purge stone from the perforated stone with this translational movement.
  • the purging-handling device comprises a pivot lever, by means of which at least temporarily a translational movement can be exerted on the sink.
  • the DE 10 2005 018 020 A1 describes a device for drawing and / or pushing a gas purging plug out of or into a perforated stone or perforated stone sleeve which is inserted in a wall of a metallurgical vessel.
  • the publication EP 0 137 961 A1 shows a puller for a gas purging plug with a frame for supporting the device on the outside of the perforated stone or the perforated stone sleeve or on the outer wall of a metallurgical vessel.
  • the EP 0 270 518 A2 shows a container for the treatment of refractory materials, such as metal and glass melts, with at least one in its refractory lining in the direction of the container interior slidably arranged gas purging device.
  • refractory materials such as metal and glass melts
  • a disadvantage of these devices is that they are difficult to automate, so that human labor is needed for the extraction of the sinks from each hole stone.
  • the invention is the object of the invention to provide a solution that makes it possible to automate the installation and removal process of a purging plug of a metallurgical vessel.
  • the tension member is a translationally movable hollow spindle, which is mounted in a spindle nut which is rotatably disposed within a worm wheel with this rotatable, wherein the worm wheel with a drive screw engaged.
  • a worm gear consisting of worm and drive worm drive with a spindle drive consisting of hollow spindle and spindle nut, it is possible to form a purge stone handling device in which the rotational movement of the worm drive is converted into a translational movement of the spindle drive.
  • the hollow spindle is as tension member in the Ankoppelungsposition designed as an installation and removal tool Spülstein-handling devices via a coupling element formed therein tensile and compressive force transferable with the sink in combination.
  • the further automation option then consists in coupling the purging device as a whole with a handling tool, but also by means of an industrial robot, to the bottom of the vessel and the purging device, which is possible, for example, with correspondingly formed locking means and / or coupling means by means of a simple 90 degree rotation is, as will be explained below. It is also possible, with the aid of this handling tool or industrial robot, to move the purging device from the metallurgical vessel and, for example, to feed it to a ladle pusher.
  • an automated process of replacing a purging plug may be that using a handling tool or industrial robot, the purging device is externally coupled to the bottom of the vessel in the region of the purging plug to the bottom of the vessel and with the hollow spindle to the sink and then by appropriate movement of the worm drive with it the following movement of the spindle drive using the hollow spindle of the purging plug is pulled out of the hole stone. Then, using a handling tool or industrial robot, the purge-handling device disconnected from the bottom of the vessel and together with the purging the Pfannenschieberwerkstatt be supplied. In the pan pusher workshop then the sink can be replaced and a new sink to the hollow spindle are coupled.
  • the purging stone handling device is then again supplied by the handling tool or the industrial robot the vessel bottom and fixed to this. Then can be actuated by re-actuation of the worm drive of the spindle drive and be inserted by appropriate translational movement of the new sink in the hole stone of the metallurgical vessel from the outside. Of course, this has previously been provided with appropriate mortar mass.
  • the invention provides in an expedient embodiment that the worm wheel and the drive worm are arranged in a gear box which is in operative connection therewith Arret istsstoff is fixed to the bottom of the vessel.
  • the locking means are part of a bayonet closure formed on the bottom of the vessel.
  • a bayonet closure it is possible to attach the locking means formed on the sink handling device to counter-means formed on the bottom of the vessel by rotation of the sink handling device by approximately 90 degrees after insertion of the locking means formed on the sink handling device into the bottom of the vessel To achieve antidote.
  • a particularly expedient coupling of purging device and purging plug can be achieved by protruding into the hollow spindle in the coupling position of the purging device with the purging device with a gas purging pipe projecting therefrom. This makes it possible to keep the purge in the hollow spindle and provide fastening or coupling elements with which the Sink train and compressive force capable of transmission in AnkoppelungsSullivan or in Ankoppelungsposition is detected or detected.
  • the invention further provides that the coupling element rests at least partially on both sides while encompassing the flange edge on the flange. Since the coupling band rests on the top and bottom of the flange, a force transmission either as a tensile force or as a compressive force is possible in the proposed translational movement in both directions.
  • encompassing the flange edge is achieved that not only a part of the gas purging pipe is guided in the hollow spindle, but also the flange is held centered in the coupling element.
  • the invention is characterized in a further development that the coupling element having associated recesses of the flange cooperating projections, which of the the side facing away from the purging of the flange through the recesses can be guided and positioned after subsequent relative rotation of gas purging pipe and purging device to each other on the side facing the purging of the flange.
  • This embodiment makes it possible Coupling of the side facing away from the purging plug through the recesses of the flange on the flange postponed and then by subsequent relative rotation, for example, a rotation of 90 degrees to move them from the recesses and to position on the side facing the purging of the flange.
  • This rotational movement can take place simultaneously with the closing movement of the locking means of the purging device with the antidote means of the vessel bottom, which is why the invention finally also characterized in that the arresting means to be brought into locking connection with the vessel bottom and the coupling element to be brought into operative connection with the flange are arranged or aligned, that with a relative rotation of the sink and sink handling device to each other both at the same time in their respective coupling position can be brought.
  • the generally designated 1 Spülstein-handling device in the form of an installation and removal tool 2 comprises a gearbox 3, in which in a vertical arrangement to each other a drive screw 4 and a hollow spindle 5 are arranged and / or stored.
  • the hollow spindle 5 is arranged guided in a spindle nut 6 and forms together with this a spindle drive.
  • the spindle nut 6 in turn is non-rotatably and non-rotatably disposed within a worm wheel 7, so that the spindle nut 6 is not movable relative to the worm wheel 7, but rotatably arranged together in the gear box 3.
  • the worm wheel 7 is connected via an outside circumferential ring gear 8 with the drive screw 4 in operative connection and forms together with this a worm drive, which is also disposed within the gear box 3.
  • this combination of worm drive and spindle drive it is possible to convert the rotational movement of the drive worm 4 and, as a result, the rotational movement of worm wheel 7 and spindle nut 6 into a translational movement of the hollow spindle 5 effected thereby.
  • a coupling element 13 is formed at the head of the hollow spindle 5, on the side facing the sink 12 in the coupling position.
  • the gas flow tube 14 is part of the inserted into its use position in a recessed in the bottom of the vessel 9 perforated brick 16 purging plug 12.
  • the hollow spindle 5 forms a tension member, by means of its coupling element thirteenth Pressure or tensile forces due to the coupling to the flange 15 on the gas purging pipe 14 and thus the purge 12 can exercise.
  • the Fig. 1 shows the Ankoppelungsposition of the coupling element 13 to the flange 15 and thus the Ankoppelungsposition the Sink-handling device 1 to the sink 12.
  • the coupling element 13 is at least partially on both sides while encompassing the flange to the flange 15 at.
  • the purging block 12 projects with its gas purging pipe 14 into the hollow spindle 5, wherein this by means of a in the representation of Fig. 1 realized below the flange 15 formed portion 14 a of the gas purging pipe 14.
  • two recesses 17 are formed on the flange diametrically opposite one another.
  • the coupling element 13 has two correspondingly formed and correspondingly arranged projections 18 which protrude radially inwards.
  • the projections 18 are passed from the side of the portion 14a of the gas purging tube 14 through the recesses 17 and then rotation of the purging device 1 relative to the flange 15, and thus the purging 12, 90th Degree performed so that the projections 18 are then in the in Fig. 3 positions are shown.
  • the purging device 1 is equipped with symmetrically arranged locking means 19, which are arranged and configured with corresponding countermeasures arranged on the vessel bottom 9 20 each form a bayonet 21.
  • the locking means 19 are each end to a strut 22, the other end is fixed to the gearbox 3.
  • the locking means 19 and the antidote 20 and the other Clutch element 13 and the flange 15 to move to a first cooperation position and then by a single rotation by 90 degrees simultaneously both the bayonet 21 in the Ankoppelungsposition and the coupling element 13 and the flange 15 in its Ankoppelungsposition and thus the total Spülstein-handling device 1 in her Bring coupling position.
  • an electric or hydraulic motor or drive 23 is provided.
  • the purging device 1 is first in the in Fig. 4 shown coupling position in which the locking means 19 and the counter-agent 20 and the coupling element 13 and the flange 15 are in effective coupling connection with each other.
  • the worm drive is now moved in such a way that it results in a downward movement of the hollow spindle 5 designed as a pulling element and thus a tensile force acting on the purge block 12.
  • This releases itself from its position in the perforated stone 16 and becomes from this, as it in the Fig. 5 is shown pulled out in the direction of the double arrow 11 until the coupling element 13 is placed in its stop position on the top of the gear box 3, as is apparent from Fig. 6 is apparent.
  • the drive 23 may be equipped with a torque monitoring.

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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)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Claims (7)

  1. Dispositif de manutention de bouchon poreux (1), qui peut venir se fixer à l'extérieur contre le fond (9) d'une cuve métallurgique (10) dans la zone d'un bouchon poreux (12) qui y est disposé et qui peut s'accoupler, avec un élément d'accouplement (13) disposé contre un organe de traction, au bouchon poreux (12) d'une façon qui permet la transmission d'une force de traction et d'une force de compression, l'organe de traction étant inséré dans un écrou de broche (6) qui est disposé en antirotation au sein d'une roue hélicoïdale (7) de manière à pouvoir tourner avec celle-ci, la roue hélicoïdale (7) étant montée en engrènement avec une vis de commande sans fin (4), caractérisé en ce que l'organe de traction est réalisé sous la forme d'une broche creuse (5) apte à effectuer un mouvement de translation, et en ce que, dans la position d'accouplement du dispositif de manutention de bouchon poreux (1) au bouchon poreux (12), ce dernier pénètre dans la broche creuse (5) avec un tube purgeur de gaz (14) qui se raccorde audit bouchon tout faisant saillie par rapport par rapport à celui-ci.
  2. Dispositif de manutention de bouchon poreux (1) selon la revendication 1, caractérisé en ce que la roue hélicoïdale (7) et la vis de commande sans fin (4) sont disposées dans une boîte d'engrenages (3) qui peut venir se fixer contre le fond (9) de la cuve au moyen d'agents d'arrêt (19) mis en liaison opérante avec elle.
  3. Dispositif de manutention de bouchon poreux (1) selon la revendication 1 ou 2, caractérisé en ce que les agents d'arrêt (19) représentent un constituant d'une fermeture à baïonnette (21) réalisée contre le fond (9) de la cuve.
  4. Dispositif de manutention de bouchon poreux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la tête de la broche creuse (5) présente un élément d'accouplement (13) appliqué, dans la position d'accouplement du dispositif de manutention de bouchon poreux (1) au bouchon poreux (12), contre une bride (15) du tube purgeur de gaz (14) d'une façon qui permet la transmission d'une force de traction et d'une force de compression.
  5. Dispositif de manutention de bouchon poreux (1) selon la revendication 4, caractérisé en ce que l'élément d'accouplement (13) s'applique contre la bride (15), au moins par zones, des deux côtés en enserrant le bord de la bride.
  6. Dispositif de manutention de bouchon poreux (1) selon la revendication 4 ou 5, caractérisé en ce que l'élément d'accouplement (13) présente des saillies (18) qui coopèrent avec des évidements correspondants (17) de la bride (15), lesdites saillies pouvant être guidées à travers les évidements (17) par le côté de la bride (15) qui se détourne du bouchon poreux (12) et venant se positionner, après la rotation relative que l'on obtient dans la foulée du tube purgeur de gaz (14) et du dispositif de manutention de bouchon creux (1) l'un par rapport à l'autre, sur le côté de la bride (15) tourné vers le bouchon poreux (12).
  7. Dispositif de manutention de bouchon poreux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les agents d'arrêt (19) qui doivent entrer en liaison d'arrêt avec le fond (9) de la cuve et l'élément d'accouplement (13) qui doit être amené en liaison opérante avec la bride (15) sont disposés et sont orientés de telle sorte qu'avec une rotation relative du bouchon poreux (12) et du dispositif de manutention de bouchon creux (1) l'un par rapport à l'autre, les deux peuvent être amenés de manière simultanée dans leur position d'accouplement respective.
EP20110150157 2010-01-12 2011-01-05 Outil pour l'installation et l'extraction d'une brique de barbotage Active EP2343386B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010004958 DE102010004958A1 (de) 2010-01-12 2010-01-12 Spülstein Ein- und Ausbauwerkzeug

Publications (2)

Publication Number Publication Date
EP2343386A1 EP2343386A1 (fr) 2011-07-13
EP2343386B1 true EP2343386B1 (fr) 2013-08-28

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EP20110150157 Active EP2343386B1 (fr) 2010-01-12 2011-01-05 Outil pour l'installation et l'extraction d'une brique de barbotage

Country Status (3)

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EP (1) EP2343386B1 (fr)
DE (1) DE102010004958A1 (fr)
ES (1) ES2428016T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2783773B1 (fr) 2013-03-28 2017-02-01 SMS group GmbH Dispositif et procédé d'extraction d'une brique de barbotage d'une paroi d'un récipient métallurgique
CN103353232B (zh) * 2013-07-26 2015-01-21 朱兴发 电磁矿渣熔炉左轮弹盒式多孔下拉塞石墨质水口装置
US11858033B2 (en) * 2021-08-27 2024-01-02 J.H. Fletcher & Co. System and method for porous plug removal and installation
CN118088750A (zh) 2022-11-25 2024-05-28 维苏威美国公司 透气塞及易于在冶金容器上安装透气塞的系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001068A1 (fr) * 1983-08-20 1985-03-14 Brohltal-Deumag Ag Für Feuerfeste Erzeugnisse; Appareil d'extraction pour une pierre refractaire d'injection de gaz
AT391483B (de) * 1986-12-02 1990-10-10 Radex Austria Ag Behaelter zur behandlung von hochschmelzenden stoffen, feuerfester stein fuer die zustellung und verfahren zum betrieb eines solchen behaelters
DE3833504A1 (de) 1988-10-01 1990-04-05 Didier Werke Ag Gasspueleinrichtung
DE102005018020B4 (de) * 2005-04-18 2007-05-03 esb Schweißbetrieb Burbach & Bender GmbH & Co. KG Auszieh- und Eindrückvorrichtung für einen Gasspülstein

Also Published As

Publication number Publication date
DE102010004958A1 (de) 2011-07-14
ES2428016T3 (es) 2013-11-05
EP2343386A1 (fr) 2011-07-13

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