EP0001381B1 - Apparatus for supplying media to a blowing lance for a metallurgical vessel - Google Patents

Apparatus for supplying media to a blowing lance for a metallurgical vessel Download PDF

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Publication number
EP0001381B1
EP0001381B1 EP78100013A EP78100013A EP0001381B1 EP 0001381 B1 EP0001381 B1 EP 0001381B1 EP 78100013 A EP78100013 A EP 78100013A EP 78100013 A EP78100013 A EP 78100013A EP 0001381 B1 EP0001381 B1 EP 0001381B1
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EP
European Patent Office
Prior art keywords
joining
carrying car
blowing
arrangement according
plate
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Expired
Application number
EP78100013A
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German (de)
French (fr)
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EP0001381A1 (en
Inventor
Hellmuth Smejkal
Ernst Zajicek
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Voestalpine AG
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Voestalpine AG
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Publication of EP0001381A1 publication Critical patent/EP0001381A1/en
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    • 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
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling

Definitions

  • the invention relates to a device for supplying media to a blowing lance for a metallurgical vessel, in particular a steelwork converter, with at least one blowing lance arranged on a carrier carriage which can be moved into and out of the blowing position.
  • FR-PS 1598393 For supplying media to blowing lances with oxygen, cooling water and, if appropriate, fuels and additives, it is known (FR-PS 1598393) to connect the movable carrier wagon to the feeder lines for these media by means of hoses.
  • hoses Arranged in the carrier wagon itself is a line system which starts from the hoses and is formed from hoses or link pipes and which leads to the blowing lance which can be raised and lowered relative to the carrier wagon.
  • the distance of the carrier car is limited by the length of the hoses. If the carrier car is in the vicinity of the feeder lines, the hoses hang far down, which limits the length of the hoses. Each time the carrier is moved, the hoses are subjected to bending stress, which means that the hoses ' lifespan and operational reliability suffer.
  • the invention aims to avoid these disadvantages and difficulties and has the task of creating a device of the type mentioned, in which the carrier car along its route as far as possible and without being hindered by hose lines, so that it can correspond to the Arrangement can be used for at least two converters.
  • Another object of the invention is to make the media feed line to the carrier wagon more reliable.
  • connection piece connected to a media supply line is arranged in a stationary manner on the carriageway of the carrier car, with the corresponding carrier mating member mounted on the carrier car being coupled in a tube-free manner with the carrier car driven in the bias position.
  • each connection counterpart is advantageously fastened to the carrier carriage with movement and can be pressed onto the corresponding stationary connection piece by means of a clamping device.
  • the fixed connection pieces are mounted together on a connection plate and the corresponding connection counterparts are mounted together on a connection counter plate.
  • connection counterplate parallel to the direction of travel of the carrier carriage and to pivot it by means of articulated levers on the carrier carriage so that it can be pivoted about a bolt arranged in the direction of travel of the carrier carriage, whereby the connection counterplate can be brought exactly into the connection position relative to the stationary connection plate.
  • connection counterplate on the carrier carriage is expediently arranged to be displaceable transversely to the direction of travel of the carrier carriage, so that it is possible to press the connection counterplate against the stationary connection plate.
  • a coupling piece which is mounted on the stationary connecting plate and which engages over the connecting counterplate of the carrier carriage moved in the blowing position and has a pressure medium cylinder acting on the connecting counterplate is advantageously used.
  • connection counterplate with at least one. Jockey wheel is provided; which is supported on a rail arranged parallel to the route of the carrier vehicle. As a result, the connection counterplate is always held in the correct position relative to the connection plate, regardless of the carrier carriage's own movements.
  • media supply lines lead to each of the converters in a hall in which at least two converters are provided, and a carrier carriage which can be moved between these connection pieces can optionally be connected to the fixed connection pieces thereof.
  • Fig. 1 shows a schematic representation of two side by side converter blowing stands and Fig. 2 shows in plan.
  • Fig. 3 shows, also in a schematic representation, the carrier car in a side view in the direction of arrow 111 of Fig. 2.
  • Fig. 4 shows a plan of Fig. 3, partly sectioned along the line IV-IV, on an enlarged scale.
  • Fig. 1 two adjacent blowing stands with converters 3, 4 are designated 1 and 2.
  • a carrier carriage 5 which is equipped with two blowing lances 6, 7, etc. equipped with a blowing lance 6 as the operating lance and with a blowing lance 7 as the reserve lance in the event of damage to the first, along rails 9, 10 and 11 mounted on a support 8.
  • media supply lines 12, 13 and 14 or 12 ', 13' and 14 'for the supply of oxygen and for the supply and discharge of a coolant are fixed in place for each blowing station. Additional media lines can be provided, e.g. for a heating gas or for aggregates.
  • the carrier carriage 5 has, for each of the blowing lances 6, 7 mounted on it in a manner that can be raised and lowered, corresponding connection counterparts 17, 17 'to the fixed connection pieces 15, which are each mounted together in a connection counterplate 18, 18', of which pipes 19, 19 ' and hose lines 19 ", 19" 'for the media mentioned lead to blow lances 6, 7.
  • connection counterplate of the blowing lance can be connected to the fixed connection plate, which is located above the converter.
  • connection counter-plates 18, 18 'provided on the carrier car can be pivoted with articulated levers 20 on the carrier car 5 about articulated bolts 21, which are arranged in the direction of travel of the carrier car. In the plane perpendicular to the direction of travel, each connection counterplate can be displaced along the articulated levers 20 passing through the articulated bolts 21 up to a stop 22 on the articulated levers.
  • the end 23 of the articulated lever projecting beyond the articulated bolts 21 is fastened to the carrier carriage 5 with the interposition of a return spring 24 which acts in the direction of the arrow 25.
  • the media lines 19, which lead from the connection counterparts of the carrier carriage to the blowing lances, have compensators, for example explained in more detail in the drawing, that are bellows 30 made of metal or plastic etc., which the pivoting and displacement movement of the connection counter plates 18, 18 ' enable compared to the carrier car 5.
  • each mating plate 18, 18 ' On the underside of each mating plate 18, 18 ' is mounted a non-tracked support wheel 26 which runs on a rail 27 arranged parallel to the rails 9, 10, 11 of the carrier carriage 5 and so each mating plate 18, 18' is always at the correct height stationary connection plates 16 holds.
  • Each stationary connection plate 16 is provided with a clamp-like coupling piece 28 which engages over the connection counterplate attached to the carrier carriage when the lance is in the blowing position.
  • the end of the coupling piece 28, which engages around the connection counterplate 18 of the carrier carriage, is equipped with a hydraulically actuable piston 29, which presses the connection counterplate 18 mounted on the carrier carriage against the action of the springs 24 in a sealing manner against the action of the springs 24, whereby the media supply lines to the above the Blow lance converter are connected.
  • the two converters 3 and 4 of which only one is in operation, find sufficiency with only a single carrier carriage 5.
  • two carrier carriages are sufficient according to the invention.
  • the media supply lines of the converter that is not currently in operation are shut off at a valve stand, not shown.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Description

Die Erfindung betrifft eine Einrichtung zur Medienversorgung einer Blaslanze für ein metallurgisches Gefäß, insbesondere einen Stahlwerkskonverter, mit mindestens einer auf einem in und außer Blasposition verfahrbaren Trägerwagen angeordneten Blaslanze.The invention relates to a device for supplying media to a blowing lance for a metallurgical vessel, in particular a steelwork converter, with at least one blowing lance arranged on a carrier carriage which can be moved into and out of the blowing position.

Zur Medienversorgung von Blaslanzen mit Sauerstoff, Kühlwasser und gegebenenfalls Brennstoffen und Zuschlagstoffen, ist es bekannt (FR-PS 1598393), den verfahrbaren Trägerwagen mittels Schläuche an die Zubringerleitungen für diese Medien anzuschließen. Im Trägerwagen selbst ist ein von den Schläuchen ausgehendes, aus Schläuchen oder Gliederrohren gebildetes Leitungssystem angeordnet, welches zur gegenüber dem Trägerwagen heb- und senkbaren Blaslanze führt.For supplying media to blowing lances with oxygen, cooling water and, if appropriate, fuels and additives, it is known (FR-PS 1598393) to connect the movable carrier wagon to the feeder lines for these media by means of hoses. Arranged in the carrier wagon itself is a line system which starts from the hoses and is formed from hoses or link pipes and which leads to the blowing lance which can be raised and lowered relative to the carrier wagon.

Die Fahrstrecke des Trägerwagens ist durch die Länge der Schläuche begrenzt. Befindet sich der Trägerwagen in der Nähe der Zubringerleitungen, so hängen die Schläuche weit herab, wodurch die Länge der Schläuche beschränkt ist. Bei jedem Verfahren des Trägerwagens kommt es zu einer Biegebeanspruchung der Schläuche, wodurch die Lebensdauer und Be-' triebssicherheit der Schläuche Einbußen erleidet.The distance of the carrier car is limited by the length of the hoses. If the carrier car is in the vicinity of the feeder lines, the hoses hang far down, which limits the length of the hoses. Each time the carrier is moved, the hoses are subjected to bending stress, which means that the hoses ' lifespan and operational reliability suffer.

Es ist aus der DE-OS 1 533 905 bekannt, zur Medienversorgung von Blaslanzen die Zuleitungen aus mehreren starren Einzelrohrleitungsstücken zusammenzusetzen, wobei die Einzelrohrleitungsstücke ari ihren Stoßstellen und mit den übrigen Anschlußstellen mittels hohler Gelenke verbunden sind. Bei einer solchen Vorrichtung werden zwar die die Lebensdauer der Schläuche herabsetzenden Nachteile vermieden, jedoch wird ein Verfahren des Trägerwagens über beliebige Strecken nicht ermöglicht. Da die Einzelrohrstücke, wenn der Trägerwagen über eine ausreichende Wegstrecke verschiebbar sein soll, eine große Länge aufweisen müssen und einen großen Schwenkbereich erofordern, benötigt man bei dieser bekannten Vorrichtung viel freien Raum oberhalb des gesamten Fahrweges des Trägerwagens. Ein weiterer Nachteil dieser bekannten Einrichtung ist die bei jedem der hohlen Gelenke vorgesehene zweimalige, rechtwinkelige Umleitung des Medienstroms.It is known from DE-OS 1 533 905 to assemble the feed lines from several rigid individual pipe pieces for supplying blow lances, the individual pipe pieces ari being connected to their joints and to the other connection points by means of hollow joints. With such a device, the disadvantages reducing the service life of the hoses are avoided, but it is not possible to move the carrier carriage over any distance. Since the individual pipe pieces, if the carrier car is to be displaceable over a sufficient distance, have to be of great length and require a large swivel range, this known device requires a lot of free space above the entire travel path of the carrier car. Another disadvantage of this known device is the double, right-angled redirection of the media flow provided for each of the hollow joints.

Die Erfindung bezweckt die Vermeidung dieser Nachteile und Schwierigkeiten und stellt sich die Aufgabe, eine Einrichtung der eingangs bezeichneten Art zu schaffen, bei der der Trägerwagen entlang seiner Fahrstrecke beliebig weit und ohne durch Schlauchleitungen behindert zu sein, verfahrbar ist, so daß er bei entsprechen der Anordnung für zumindest zwei konverter eingesetzt werden kann. Eine weitere Aufgabe der Erfindung besteht darin, die Medienzuführungsleitung zum Trägerwagen betriebssicherer zu gestalten.The invention aims to avoid these disadvantages and difficulties and has the task of creating a device of the type mentioned, in which the carrier car along its route as far as possible and without being hindered by hose lines, so that it can correspond to the Arrangement can be used for at least two converters. Another object of the invention is to make the media feed line to the carrier wagon more reliable.

Diese Aufgaben werden erfindungsgemaß dadurch gelöst, daß mindestens ein mit einer Medienversorgungsleitung verbundenes Anschlußstück ortsfest an der Fahrbahn des Trägerwagens angeordnet ist mit dembei in Biasposition gefahrenem Trägerwagen ein korrespondierendes, am Trägerwagen montiertes Anschlußgegenstück schlauchlos kuppelbar ist.According to the invention, these objects are achieved in that at least one connection piece connected to a media supply line is arranged in a stationary manner on the carriageway of the carrier car, with the corresponding carrier mating member mounted on the carrier car being coupled in a tube-free manner with the carrier car driven in the bias position.

Um eine sicher dichtende Verbindung der ortsfesten Medienzuführungsleitung zu der im Trägerwagen angeordneten zu erreichen, ist vorteilhaft jedes Anschlußgegenstück am Trägerwagen mit Bewegungsspiel befestigt und mittels einer Klemmeinrichtung an das korrespondierende ortsfeste Anschlußstück anpreßbar.In order to achieve a securely sealing connection of the fixed media supply line to that arranged in the carrier carriage, each connection counterpart is advantageously fastened to the carrier carriage with movement and can be pressed onto the corresponding stationary connection piece by means of a clamping device.

'Nach einer bevorzugten Ausführungsform sind bei einer Mehrzahl von Medienversorgungsleitungen die ortsfesten Anschlußstücke gemeinsam an einer Anschlußplatte und die korrespondierenden Anschlußgegenstücke gemeinsam an einer Anschlußgegenplatte montiert.According to a preferred embodiment, in the case of a plurality of media supply lines, the fixed connection pieces are mounted together on a connection plate and the corresponding connection counterparts are mounted together on a connection counter plate.

Dabei ist zweckmäßig die Anschlußgegenplatte parallel zur Fahrrichtung des Trägerwagens anzuordnen und mittels Gelenkhebel am Trägerwagen um einen in Fahrrichtung des Trägerwagens angeordneten Bolzen verschwenkbar anzulenken, wodurch die Anschlußgegenplatte gegenüber der ortsfesten Anschlußplatte genau in Anschlußposition bringbar ist.It is expedient to arrange the connection counterplate parallel to the direction of travel of the carrier carriage and to pivot it by means of articulated levers on the carrier carriage so that it can be pivoted about a bolt arranged in the direction of travel of the carrier carriage, whereby the connection counterplate can be brought exactly into the connection position relative to the stationary connection plate.

Dabei ist zweckmäßig die Anschlußgegenplatte am Trägerwagen quer zur Fahrrichtung des Trägerwagens verschiebbar angeordnet, sodaß es möglich ist, die Anschlußgegenplatte gegen die ortsfeste Anschlußplatte anzupressen.The connection counterplate on the carrier carriage is expediently arranged to be displaceable transversely to the direction of travel of the carrier carriage, so that it is possible to press the connection counterplate against the stationary connection plate.

Zu diesem Zweck dient vorteilhaft ein an der ortsfesten Anschlußplatte montiertes Kupplungsstück, welches die Anschlußgegenplatte des in Blasposition gefahrenen Trägerwagens übergreift und einen an der Anschlußgegenplatte angreifenden Druckmittelzylinder aufweist.For this purpose, a coupling piece which is mounted on the stationary connecting plate and which engages over the connecting counterplate of the carrier carriage moved in the blowing position and has a pressure medium cylinder acting on the connecting counterplate is advantageously used.

Es ist vorteilhaft, wenn die Anschlußgegenplatte mit mindestens einem. Stützrad versehen ist; welches auf einer parallel zur Fahrstrecke des Trägerwagens angeordneten Schiene abgestützt ist. Dadurch wird die Anschlußgegenplatte unabhängig von den Eigenbewegungen des Trägerwagens stets in richtiger Position zur Anschlußplatte gehalten.It is advantageous if the connection counterplate with at least one. Jockey wheel is provided; which is supported on a rail arranged parallel to the route of the carrier vehicle. As a result, the connection counterplate is always held in the correct position relative to the connection plate, regardless of the carrier carriage's own movements.

Nach einer zweckmäßigen Ausgestaltung der Einrichtung führen in einer Halle, in der mindestens zwei Konverter vorgesehen sind, zu jedem der Konverter Medienversorgungsleitungen, an deren ortsfeste Anschlußstücke ein zwischen diesen Anschlußstücken verfahrbarer Trägerwagen wahlweise anschließbar ist.According to an expedient embodiment of the device, media supply lines lead to each of the converters in a hall in which at least two converters are provided, and a carrier carriage which can be moved between these connection pieces can optionally be connected to the fixed connection pieces thereof.

Die Erfindung ist anhand eines Ausführungswobei Fig. 1 in schematischer Darstellung zwei nebeneinander angeordnete Konverterblasstände in Seitenansicht und Fig. 2 im Grundriß zeigt.The invention is based on an embodiment Fig. 1 shows a schematic representation of two side by side converter blowing stands and Fig. 2 shows in plan.

Fig. 3 zeigt, ebenfalls in schematischer Darstellung, den Trägerwagen in Seitenansicht in Richtung des Pfeiles 111 der Fig. 2. Fig. 4 gibt einen Grundriß der Fig. 3, teilweise geschnitten nach der Linie IV-IV, in vergrößertem Maßstab wieder.Fig. 3 shows, also in a schematic representation, the carrier car in a side view in the direction of arrow 111 of Fig. 2. Fig. 4 shows a plan of Fig. 3, partly sectioned along the line IV-IV, on an enlarged scale.

In Fig. 1 sind zwei nebeneinanderliegende Blasstände mit Konvertern 3, 4 mit 1 und 2 bezeichnet. Oberhalb der Konverter ist ein Trägerwagen 5, der mit zwei Blaslanzen 6, 7, u.zw. mit einer Blaslanze 6 als Betriebslanze und mit einer Blaslanze 7 als Reservelanze für den Fall einer Beschädigung der ersten, ausgestattet ist, entlang von an einem Träger 8 montierten Schienen 9, 10 und 11 verfahrbar. Parallel zu den Schienen sind für jeden Blasstand Medienzuführungsleitungen 12, 13, und 14 bzw. 12', 13' und 14' für die Zufuhr von Sauerstoff und für die Zu- und Ableitung eines Kühlmittels ortsfest verlegt. Es können noch weitere Medienleitungen vorgesehen sein, z.B. für ein Heizgas oder für Zuschlagstoffe. An jedem Blasstand sind für jede der Leitungen Anschlußstücke 15, die gemeinsam in einer Anschlußplatte 16 montiert sind, ortsfest angeordnet. Der Trägerwagen 5 weist für jede der an ihm hebund senkbar montierten Blaslanzen 6, 7 zu den ortsfesten Anschlußstücken 15 korrespondierende Anschlußgegenstücke 17, 17', die jeweils in einer Anschlußgegenplatte 18, 18' gemeinsam montiert sind, auf, von denen Rohrleitungen 19, 19' und Schlauchleitungen 19", 19"' für die genannten Medien zu d.,An Blaslanzen 6, 7 führen.In Fig. 1 two adjacent blowing stands with converters 3, 4 are designated 1 and 2. Above the converter is a carrier carriage 5, which is equipped with two blowing lances 6, 7, etc. equipped with a blowing lance 6 as the operating lance and with a blowing lance 7 as the reserve lance in the event of damage to the first, along rails 9, 10 and 11 mounted on a support 8. In parallel to the rails, media supply lines 12, 13 and 14 or 12 ', 13' and 14 'for the supply of oxygen and for the supply and discharge of a coolant are fixed in place for each blowing station. Additional media lines can be provided, e.g. for a heating gas or for aggregates. At each blowing stand for each of the lines connecting pieces 15, which are mounted together in a connecting plate 16, are arranged in a fixed position. The carrier carriage 5 has, for each of the blowing lances 6, 7 mounted on it in a manner that can be raised and lowered, corresponding connection counterparts 17, 17 'to the fixed connection pieces 15, which are each mounted together in a connection counterplate 18, 18', of which pipes 19, 19 ' and hose lines 19 ", 19" 'for the media mentioned lead to blow lances 6, 7.

Wie aus Fig. 2 ersichtlich ist, ist jeweils die Anschlußgegenplatte derjenigen Blaslanze an die ortsfeste Anschlußplatte anschließbar, die sich über dem Konverter befindet.As can be seen from FIG. 2, the connection counterplate of the blowing lance can be connected to the fixed connection plate, which is located above the converter.

Die Öffnungen der Medienversorgungsleitungen, die nicht an den Tiägerwagen angeschlossen sind, bzw. die Öffnungen der nicht angeschlossenen Leitungen im Trägerwagen sind mittels nicht dargestellter Staubschutzkappen entweder manuell oder mittels einer Fernsteuerung verschließbar. Die am Trägerwagen vorgesehenen Anschlußgegenplatten 18, 18' sind mit Gelenkhebeln 20 am Trägerwagen 5 um Gelenkbolzen 21, die in Fahrrichtung des Trägerwagens angeordnet sind, verschwenkbar. In der Ebene senkrecht zur Fahrrichtung ist jede Anschlußgegenplatte entlang den die Gelenkbolzen 21 durchsetzenden Gelenkhebeln 20 bis zu einem Anschlag 22 an den Gelenkhebeln verschiebbar. Das über die Gelenkbolzen 21 hinausragende Ende 23 der Gelenkhebel ist unter Zwischenschaltung einer Rückzugfeder 24, die in Richtung des Pfeiles 25 wirkt, am Trägerwagen 5 befestigt. Die Medienleitungen 19, die von den Anschlußgegenstücken des Trägerwagens zu den Blaslanzen führen, weisen Kompensatoren, beispieles in der Zeichnung näher erläutert, das sind Faltbälge 30 aus Metall oder Kunststoff etc., auf, die die Schwenk- und Verschiebebewegung der Anschlußgegenplatten 18, 18' gegenüber dem Trägerwagen 5 ermöglichen.The openings of the media supply lines that are not connected to the carrier wagon or the openings of the unconnected lines in the carrier wagon can be closed either manually or by means of a remote control by means of dust protection caps (not shown). The connection counter-plates 18, 18 'provided on the carrier car can be pivoted with articulated levers 20 on the carrier car 5 about articulated bolts 21, which are arranged in the direction of travel of the carrier car. In the plane perpendicular to the direction of travel, each connection counterplate can be displaced along the articulated levers 20 passing through the articulated bolts 21 up to a stop 22 on the articulated levers. The end 23 of the articulated lever projecting beyond the articulated bolts 21 is fastened to the carrier carriage 5 with the interposition of a return spring 24 which acts in the direction of the arrow 25. The media lines 19, which lead from the connection counterparts of the carrier carriage to the blowing lances, have compensators, for example explained in more detail in the drawing, that are bellows 30 made of metal or plastic etc., which the pivoting and displacement movement of the connection counter plates 18, 18 ' enable compared to the carrier car 5.

An der Unterseite jeder Anschlußgegenplatte 18, 18' ist jeweils ein spurkranzloses Stützrad 26 montiert, welches auf einer parallel zu den Schienen 9, 10, 11 des Trägerwagens 5 angeordneten Schiene 27 läuft und so jede Anschlußgegenplatte 18, 18' stets in richtiger Höhe zu den ortsfesten Anschlußplatten 16 hält.On the underside of each mating plate 18, 18 'is mounted a non-tracked support wheel 26 which runs on a rail 27 arranged parallel to the rails 9, 10, 11 of the carrier carriage 5 and so each mating plate 18, 18' is always at the correct height stationary connection plates 16 holds.

Jede ortsfeste Anschlußplatte 16 ist mit einem klammerartigen Kupplungsstück 28, welches die am Trägerwagen befestigte Anschlußgegenplatte bei in Blasstellung befindlicher Lanze übergreift, versehen. Das die Anschlußgegenplatte 18 des Trägerwagens umgreifende Ende des Kupplungsstückes 28 ist mit einem hydraulisch betätigbaren Kolben 29 ausgestattet, der bei Beaufschlagung die am Trägerwagen montierte Anschlußgegenplatte 18 entgegen der Wirkung der Federn 24 gegen die ortsfeste Anschlußplatte 16 dichtend anpreßt, wodurch die Medienversorgungsleitungen an die über dem Konverter befindliche Blaslanze angeschlossen sind.Each stationary connection plate 16 is provided with a clamp-like coupling piece 28 which engages over the connection counterplate attached to the carrier carriage when the lance is in the blowing position. The end of the coupling piece 28, which engages around the connection counterplate 18 of the carrier carriage, is equipped with a hydraulically actuable piston 29, which presses the connection counterplate 18 mounted on the carrier carriage against the action of the springs 24 in a sealing manner against the action of the springs 24, whereby the media supply lines to the above the Blow lance converter are connected.

Durch die erfindungsgemäße Einrichtung ist es möglich, für die beiden Konverter 3 und 4, vbn denen jeweils nur einer in Betrieb ist, mit nur einem einzigen Trägerwagen 5 das Auslangen zu finden. Bei einem Konverterbetrieb mit beispielsweise drei Konvertern, von denen jeweils zwei in Betrieb sind und einer zugestellt wird, genügen erfindungsgemäß zwei Trägerwagen. Die Medienversorgungsleitungen des gerade nicht in Betrieb befindlichen Konverters werden an einem nicht dargestellten Ventilstand abgesperrt. Es ist jedoch auch möglich, für alle Blasstände gemeinsame Medienversorgungsleitungen vorzusehen, die dann an jedem Biasstand absperrbare Anschlußstücke aufweisen.By means of the device according to the invention, it is possible for the two converters 3 and 4, of which only one is in operation, to find sufficiency with only a single carrier carriage 5. In a converter operation with, for example, three converters, two of which are in operation and one is being delivered, two carrier carriages are sufficient according to the invention. The media supply lines of the converter that is not currently in operation are shut off at a valve stand, not shown. However, it is also possible to provide common media supply lines for all blowing stations, which then have connecting pieces that can be shut off at each bias stand.

Claims (7)

1. Arrangement for supplying media to a blowing lance for a metallurgical vessel, in particular a converter of a steel making plant, including at least one blowing lance arranged on a carrying car which is movable into and out of the blowing position, characterised in that at least one joining piece (15) connected with a media supply conduit (12, 13, 14, 12', 13', 14') is stationarily arranged at the moving path of the carrying car (5), a corresponding joining counter piece (17, 17') mounted on the carrying car (5) being tubelessly connectable with the joining piece, with the carrying car moved into the blowing position.
2. Arrangement according to claim 1, characterised in that each joining counter piece (17, 17') is fastened to the carrying car (5) with play of motion and is pressable to the corresponding stationary joining piece (15) by means of a clamping device (28).
, 3. Arrangement according to claim 1 or 2, including a plurality of media supply conduits, characterised in that the stationary joining pieces (15) of each blowing stand are commonly mounted on a joining plate (16) and the corresponding joining counter pieces (17, 17') are commonly mounted on a joining counter plate (18, 18').
4. Arrangement according to claim 3, characterised in that the joining counter plate (18, 18') is arranged parallel to the moving direction of the carrying car and is hinged to the carrying car (5) by means of an articulation lever (20) so as to be pivotable about a pin (21) arranged in the moving direction of the carrying car.
5. Arrangement according to claim 3 or 4, characterised in that the joining counter plate (18, 18') is arranged at the carrying car (5) so as to be displaceable transversely to the moving direction of the carrying car.
6. Arrangement according to claim 2, characterised in that a clamping device (28) is mounted on the stationary joining plate (16), which clamping device overlaps the joining counter plate (18, 18') of the carrying car moved into the blowing position and includes a pressure medium cylinder (29) engaging at the joining counter plate (18, 18').
7. Arrangement according to claims 3 to 6, characterised in that the joining counter plate (18, 18') is provided with at least one supporting wheel (26), which is supported on a rail (27) arranged parallel to the moving path of the carrying car (5).
EP78100013A 1977-10-11 1978-06-01 Apparatus for supplying media to a blowing lance for a metallurgical vessel Expired EP0001381B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT724477A AT362408B (en) 1977-10-11 1977-10-11 DEVICE FOR MEDIA SUPPLY OF A BLOWING LANCE FOR A METALLURGICAL VESSEL
AT7244/77 1977-10-11

Publications (2)

Publication Number Publication Date
EP0001381A1 EP0001381A1 (en) 1979-04-18
EP0001381B1 true EP0001381B1 (en) 1981-01-07

Family

ID=3594097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100013A Expired EP0001381B1 (en) 1977-10-11 1978-06-01 Apparatus for supplying media to a blowing lance for a metallurgical vessel

Country Status (4)

Country Link
US (1) US4198035A (en)
EP (1) EP0001381B1 (en)
AT (1) AT362408B (en)
DE (1) DE2860398D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062613A (en) * 1990-12-03 1991-11-05 Fordees Manufacturing Two speed hoist drive assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149191A (en) * 1959-10-28 1964-09-15 Pennsylvania Engineering Corp Furnace installation
US3276759A (en) * 1963-08-12 1966-10-04 Allegheny Ludlum Steel Oxygen lance manipulator for open hearth furnaces
AT254237B (en) * 1963-08-26 1967-05-10 Voest Ag Device for changing lances that can be inserted into metallurgical vessels such as crucibles
US3438820A (en) * 1965-04-02 1969-04-15 Dominion Foundries & Steel Silicon steel process
DE1508158C3 (en) * 1966-08-26 1976-01-02 Demag Ag, 4100 Duisburg Converter blowing device
DE1533905A1 (en) * 1967-05-23 1970-02-19 Demag Ag Blow gun device for metallurgical purposes, especially for steel works converter bla?
FR1598393A (en) * 1968-05-17 1970-07-06

Also Published As

Publication number Publication date
EP0001381A1 (en) 1979-04-18
AT362408B (en) 1981-05-25
US4198035A (en) 1980-04-15
DE2860398D1 (en) 1981-02-26
ATA724477A (en) 1980-10-15

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