EP4092367B1 - Loading gate system and steelworks plant with loading gate system - Google Patents

Loading gate system and steelworks plant with loading gate system Download PDF

Info

Publication number
EP4092367B1
EP4092367B1 EP22174922.9A EP22174922A EP4092367B1 EP 4092367 B1 EP4092367 B1 EP 4092367B1 EP 22174922 A EP22174922 A EP 22174922A EP 4092367 B1 EP4092367 B1 EP 4092367B1
Authority
EP
European Patent Office
Prior art keywords
charging door
charging
loading
door system
gate
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
EP22174922.9A
Other languages
German (de)
French (fr)
Other versions
EP4092367A1 (en
Inventor
Ralf Fusek
Jörg Paschke
Boris Hagen
Thomas Prass
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 Group GmbH
Original Assignee
SMS Group GmbH
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
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP4092367A1 publication Critical patent/EP4092367A1/en
Application granted granted Critical
Publication of EP4092367B1 publication Critical patent/EP4092367B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • 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
    • C21C5/4633—Supporting means

Definitions

  • the invention relates to a charging gate system for a pyrometallurgical plant, for example for a steelworks plant with at least one metallurgical vessel with an enclosure which has a charging opening and with at least one charging platform.
  • Exemplary loading gate systems from Konverter Stahlwerken have, among other things, the task of protecting the environment and personnel from heat, smoke gases, slag and steel splashes.
  • Loading gates are known in the prior art, which are supported and movable on a rail system of a loading platform or on a structure on the edge of the stage near the converter.
  • stage edge setup reduces the space available for servicing the converter.
  • a structure also interferes with loading the pig iron ladle into the converter, as its lower edge is often close to the surface of the stage when the ladle is guided to the converter hanging on a crane.
  • the method of loading gates on a rail system has the disadvantage that the rail system in the vicinity of the converter is susceptible to contamination and represents a source of danger or a tripping hazard.
  • the invention is based on the object of providing a loading gate system that requires little maintenance and is less prone to failure than the known systems.
  • One aspect of the invention relates to a loading gate system for a pyrometallurgical plant with at least one metallurgical vessel in an enclosure, at least one loading platform with which a loading opening and/or an emptying opening in the enclosure can be closed, the loading gate system comprising at least one loading gate leaf , which is supported hanging on a carrier and which can be moved on the carrier, the carrier being held by a frame arranged stationary on the loading platform.
  • the pyrometallurgical plant can be designed, for example, as a steelworks plant.
  • the knowledgeable reader will recognize that the configuration of the
  • the pyrometallurgical vessel can be, for example, a converter.
  • the frame can be designed in such a way that the support of the carrier on the loading platform is outside the loading area, i.e. H. is arranged outside the loading opening and/or the emptying opening.
  • a loading gate which can, for example, have dimensions of 10 ⁇ 5 m and a relatively high weight of up to 20 t, can be safely supported on the loading platform.
  • the suspension on the support makes it possible to move the guidance of the loading gate leaf to an area that is less susceptible to contamination.
  • the construction according to the invention has the advantage that the loading platform in the area of the loading opening can be designed without rails and without other structures.
  • the solution according to the invention has the advantage that fewer disruptions occur during the operation of the loading gates. Significantly less and simpler cleaning work is required on the loading platform.
  • the rails and wheels of the loading gate system have a longer service life.
  • On the loading gate platform in the middle area of the enclosure there is more space for maintenance work on the vessel or inside the enclosure, for example to replace the heat protection provided there.
  • safety for the personnel of the steelworks plant is improved, in particular because the loading gate system can be operated more reliably, so that the vessel does not operate with the gates open.
  • the loading gate system expediently comprises two loading gate leaves, which are preferably designed to close against one another in one plane.
  • the loading gate wings can be suspended in such a way that they are suspended at a lower distance from the loading platform, so that a larger gap remains below the loading gate wings between them and the loading platform, thereby ensuring that any slag accumulations on the loading platform do not impair the accessibility of the loading gate wings .
  • the loading gate system comprises a gate apron which closes a larger gap between the loading gate leaves and the loading platform.
  • This essentially three-part design of the loading gate system has the advantage that the loading gate leaves can be somewhat smaller and lighter, so that the suspension of the loading gate leaves has to accommodate smaller loads.
  • the gate apron can be designed so that it can be removed if necessary, so that the loading opening can be enlarged if necessary.
  • the suspension of the loading gate leaves is further relieved if the loading gate leaves are slidably guided on the gate apron.
  • the gate apron forms a sliding guide and lower support for the loading gate leaves.
  • the gate apron can, for example, be suspended in fork-shaped receptacles on the frame using pins.
  • the gate apron can be designed so that it can be moved into the installation position using a crane or similar lifting equipment.
  • the gate apron can be designed and arranged in such a way that it can be placed on the loading platform.
  • the gate apron can have at least one opening for taking samples or inspecting the interior of the converter housing.
  • the carrier has a profile which forms at least one lane for at least one support wheel of at least one loading gate leaf.
  • the loading gate system can have at least one travel drive, which includes at least one driven support wheel.
  • the lane expediently forms a guide for the at least one support wheel.
  • the at least one loading gate leaf has at least one upper and one lower support wheel, which are arranged at a distance from one another in the direction of travel on opposite sides of the center of mass of the loading gate leaf, so that the carrier advantageously provides a torque support for the relevant loading gate wing.
  • At least one support wheel can include at least one wheel flange, which interacts with a guide profile of the lane.
  • one or more upper support wheels each have two wheel flanges, which interact with a rectangular guide profile of the lane arranged on top of the carrier.
  • the exemplary embodiment shown in the figures illustrates a loading gate system 1 at a converter steelworks.
  • the loading gate system 1 is part of the steelworks system, not shown, which has at least one converter, an enclosure for the converter and a loading opening 2, which is either released or closed by the loading gate system 1.
  • the loading gate system 1 comprises two frames 3, which are arranged on a loading platform 4 on both sides of the loading opening 2 of the housing, not shown.
  • the loading gate system 1 further comprises two loading gate leaves 5, each of which is supported hanging on a support 6 of a frame 3.
  • the frames 3 are set up at a distance from one another in an opening and closing plane of the loading gate system 1 so that they are arranged on both sides of the loading opening 2 so that the loading opening 2 is not is covered. In this opening and shooting level, the frames 3 are aligned so that the supports 6 are arranged in alignment with one another.
  • Each of the carriers 6 is designed as a so-called travel carrier, that is, each carrier 6 includes on its upper end face a lane 7 for a support wheel 9 of a loading gate leaf 5.
  • FIG 4 shows the frames 3, which are arranged opposite one another in the opening and closing plane and are spaced apart, without the loading gate leaves 5 suspended on them.
  • the frames 3 each include vertical supports 11 which accommodate the carrier 6, which is located in the opening and closing plane of the loading gate system 1 (in the X axis).
  • the supports 11 each form a three-point support, with two supports 11 being provided on each frame 3 on the side facing the loading opening 2, whereas only one support 11 is provided on the side facing away from the loading opening 2 in the opening and closing plane.
  • each frame 3 is provided with a horizontal support 8, which counteracts any forces that may occur in the Z-axis.
  • the loading gate leaves 5 each include four support wheels 9, namely two upper support wheels 9 and two lower support wheels 9. One of the upper support wheels 9 is driven.
  • the associated travel drive is provided with the reference number 10.
  • the upper support wheels 9 are each provided with two wheel flanges, which interact with a profile strip of the lane 7 on the top of the carrier 6.
  • the lower support wheels 9 rest against the underside of the carrier 6 and absorb any tilting moment of the loading gate leaves 5 that may occur.
  • An upper support wheel 9 and a lower support wheel 9 are expediently arranged on both sides at a distance from a center of mass of a loading gate leaf 5 in such a way that they reliably counteract a tilting moment of the relevant loading gate leaf 5.
  • the travel path of the loading gate leaves 5 is expediently by means of limit switches and/or stops.
  • the loading gate system 1 shown also includes two loading gate leaves 5 and also a gate apron 12, which covers a gap between the loading gate leaves 5 and the loading platform 4 and forms a lower guide for the loading gate leaves 5.
  • the loading gate wings could be supported on an upper end face of the gate apron 12.
  • the upper end face of the gate apron 12 is expediently designed as a sliding guide for the loading gate leaves 5.
  • Figure 5 shows the opened loading gate system 1 according to the second exemplary embodiment of the invention.
  • the loading opening 2 is limited downwards to the loading platform 4 by the gate apron 12.
  • the goal apron 12 is like the detailed view in Figure 6 can be seen, each provided on its sides with upper and lower pins 13, which are suspended in fork-shaped receptacles 14 of the frames 3.
  • the gate apron 12 is inserted into the in. using a crane Figure 5 installed position shown.
  • the loading gate wings 5 are each provided on their underside with a protective lip 15 which extends over the gate apron and forms the lower end of a gap between the loading gate wings 5 and the gate apron 12.
  • An unspecified opening for sampling or maintenance is expediently provided in the gate apron 12, with the gate apron forming heat protection for the workers on the loading platform 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Description

Die Erfindung betrifft eine Beschickungs-Toranlage für eine pyrometallurgische Anlage, beispielsweise für eine Stahlwerksanlage mit wenigstens einem metallurgischen Gefäß mit einer Einhausung, welche eine Beschickungsöffnung aufweist und mit wenigstens einer Beschickungsbühne.The invention relates to a charging gate system for a pyrometallurgical plant, for example for a steelworks plant with at least one metallurgical vessel with an enclosure which has a charging opening and with at least one charging platform.

Beispielhafte Beschickungs-Toranlagen von Konverter Stahlwerken haben unter anderem die Aufgabe, die Umgebung und das Personal vor Hitze, Rauchgasen, Schlacke und Stahlspritzern zu schützen. Auf der Vorderseite der üblicherweise innen mit einem Hitzeschutz versehenen Einhausung des Konverters sind in der Regel auf Schienen verfahrbare Beschickungstore angeordnet.Exemplary loading gate systems from Konverter Stahlwerken have, among other things, the task of protecting the environment and personnel from heat, smoke gases, slag and steel splashes. On the front of the converter housing, which is usually provided with heat protection on the inside, loading gates that can be moved on rails are usually arranged.

Im Stand der Technik sind Beschickungstore bekannt, die auf einem Schienensystem einer Beschickungsbühne oder auf einem Aufbau der Bühnenkante nahe dem Konverter abgestützt und verfahrbar sind.Loading gates are known in the prior art, which are supported and movable on a rail system of a loading platform or on a structure on the edge of the stage near the converter.

Die Verwendung eines Aufbaus auf der Bühnenkante hat den Nachteil, dass der zur Wartung des Konverters verfügbare Raum reduziert wird. Ein Aufbau stört ebenfalls beim Beschicken des Konverters mit der Roheisenpfanne, da sich deren Unterkante oft nahe der Bühnenoberfläche befindet, wenn die Pfanne an einem Kran hängend zum Konverter geführt wird.The disadvantage of using a stage edge setup is that it reduces the space available for servicing the converter. A structure also interferes with loading the pig iron ladle into the converter, as its lower edge is often close to the surface of the stage when the ladle is guided to the converter hanging on a crane.

Das Verfahren der Beschickungstore auf einem Schienensystem ist mit dem Nachteil behaftet, dass das Schienensystem in der Nähe des Konverters verschmutzungsanfällig ist und eine Gefahrenquelle bzw. Stolperfalle darstellt.The method of loading gates on a rail system has the disadvantage that the rail system in the vicinity of the converter is susceptible to contamination and represents a source of danger or a tripping hazard.

Aus der US 10,036,594 B2 ist ein Elektrolichtbogenofen mit einer Schlacketür bekannt, die einen Schlackekanal des Ofens verschließt.From the US 10,036,594 B2 an electric arc furnace with a slag door is known, which closes a slag channel of the furnace.

Aus der US 4,212,453 A ist ein Konverter mit einer Einhausung bekannt, die mit hängend angeordneten Beschickungstoren verschlossen ist.From the US 4,212,453 A A converter is known with an enclosure that is closed with hanging loading gates.

Aus der US 4,049,246 A ist eine Beschickungs-Toranlage bekannt, wobei diese Beschickungs-Toranlage zwei Beschickungstorflügel umfasst, welche einerseits hängend auf einem Träger und andererseits auf Schienenführungen der Beschickungsbühne abgestützt sind. Eine ebensolche Anlage ist aus der US 4,094,496 A bekannt.From the US 4,049,246 A a loading gate system is known, this loading gate system comprising two loading gate leaves, which are supported on the one hand hanging on a support and on the other hand on rail guides of the loading platform. A similar system is available from the US 4,094,496 A known.

Der Erfindung liegt die Aufgabe zugrunde, eine Beschickungs-Toranlage bereitzustellen, die wartungsarm und weniger störanfällig als die bekannten Systeme ist.The invention is based on the object of providing a loading gate system that requires little maintenance and is less prone to failure than the known systems.

Die Aufgabe wird gelöst mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The task is solved with the features of claim 1. Advantageous embodiments of the invention result from the subclaims.

Ein Gesichtspunkt der Erfindung betrifft eine Beschickungs-Toranlage für eine pyrometallurgische Anlage mit wenigstens einem metallurgischen Gefäß in einer Einhausung, wenigstens einer Beschickungsbühne, mit welcher eine Beschickungsöffnung und/oder eine Entleerungsöffnung in der Einhausung verschließbar ist, wobei die Beschickungs-Toranlage wenigstens einen Beschickungstorflügel umfasst, welcher hängend auf einem Träger abgestützt ist und welcher auf dem Träger verfahrbar ist, wobei der Träger von einem ortsfest auf der Beschickungsbühne angeordneten Gestell gehalten wird.One aspect of the invention relates to a loading gate system for a pyrometallurgical plant with at least one metallurgical vessel in an enclosure, at least one loading platform with which a loading opening and/or an emptying opening in the enclosure can be closed, the loading gate system comprising at least one loading gate leaf , which is supported hanging on a carrier and which can be moved on the carrier, the carrier being held by a frame arranged stationary on the loading platform.

Die pyrometallurgische Anlage kann beispielsweise als Stahlwerksanlage ausgebildet sein. Der fachkundige Leser wird erkennen, dass die Konfiguration derThe pyrometallurgical plant can be designed, for example, as a steelworks plant. The knowledgeable reader will recognize that the configuration of the

Anlage für die Erfindung nicht kritisch ist. Das pyrometallurgische Gefäß kann beispielsweise ein Konverter sein.System is not critical for the invention. The pyrometallurgical vessel can be, for example, a converter.

Das Gestell kann derart ausgebildet sein, dass die Abstützung des Trägers auf der Beschickungsbühne außerhalb des Beschickungsbereichs, d. h. außerhalb der Beschickungsöffnung und/oder der Entleerungsöffnung angeordnet ist. Auf diese Art und Weise kann ein Beschickungstor, das beispielsweise Abmessungen von 10 × 5 m und ein verhältnismäßig hohes Gewicht von bis zu 20 t aufweisen kann, sicher auf der Beschickungsbühne abgestützt werden. Die Aufhängung auf dem Träger ermöglicht es, die Führung des Beschickungstorflügels in einen Bereich zu verlagern, der weniger verschmutzungsanfällig ist. Darüber hinaus hat die erfindungsgemäße Konstruktion den Vorzug, dass die Beschickungsbühne im Bereich der Beschickungsöffnung ohne Schienen und ohne andere Aufbauten ausgeführt sein kann.The frame can be designed in such a way that the support of the carrier on the loading platform is outside the loading area, i.e. H. is arranged outside the loading opening and/or the emptying opening. In this way, a loading gate, which can, for example, have dimensions of 10 × 5 m and a relatively high weight of up to 20 t, can be safely supported on the loading platform. The suspension on the support makes it possible to move the guidance of the loading gate leaf to an area that is less susceptible to contamination. In addition, the construction according to the invention has the advantage that the loading platform in the area of the loading opening can be designed without rails and without other structures.

Die erfindungsgemäße Lösung hat den Vorzug, dass weniger Störungen beim Betrieb der Beschickungstore auftreten. Es sind deutlich weniger und einfachere Reinigungsarbeiten auf der Beschickungsbühne erforderlich. Schienen und Räder der Beschickungs-Toranlage besitzen eine höhere Standzeit. Auf der Beschickungstorbühne im mittleren Bereich der Einhausung ist mehr Platz für Wartungsarbeiten am Gefäß oder im Inneren der Einhausung, beispielsweise zum Erneuern des dort vorgesehenen Hitzeschutzes. Darüber hinaus wird die Sicherheit für das Personal der Stahlwerksanlage verbessert, insbesondere dadurch, dass die Beschickungs-Toranlage zuverlässiger betreibbar ist, sodass kein Betrieb des Gefäßes mit geöffneten Toren erfolgt.The solution according to the invention has the advantage that fewer disruptions occur during the operation of the loading gates. Significantly less and simpler cleaning work is required on the loading platform. The rails and wheels of the loading gate system have a longer service life. On the loading gate platform in the middle area of the enclosure there is more space for maintenance work on the vessel or inside the enclosure, for example to replace the heat protection provided there. In addition, safety for the personnel of the steelworks plant is improved, in particular because the loading gate system can be operated more reliably, so that the vessel does not operate with the gates open.

Zweckmäßigerweise umfasst die Beschickungs-Toranlage zwei Beschickungstorflügel, die vorzugsweise in einer Ebene gegeneinander schließend ausgebildet sind.The loading gate system expediently comprises two loading gate leaves, which are preferably designed to close against one another in one plane.

Die Beschickungstorflügel können so aufgehängt sein, dass diese mit einem unteren Abstand zu der Beschickungsbühne aufgehängt sind, sodass unterhalb der Beschickungstorflügel zwischen diesen und der Beschickungsbühne ein größerer Spalt verbleibt, wodurch sichergestellt wird, dass etwaige Schlacke Ansammlungen auf der Beschickungsbühne die Zugänglichkeit der Beschickungstorflügel nicht beeinträchtigt.The loading gate wings can be suspended in such a way that they are suspended at a lower distance from the loading platform, so that a larger gap remains below the loading gate wings between them and the loading platform, thereby ensuring that any slag accumulations on the loading platform do not impair the accessibility of the loading gate wings .

Bei einer weiteren vorteilhaften Variante der Anlage gemäß der Erfindung ist vorgesehen, dass die Beschickungs-Toranlage eine Torschürze umfasst, die einen größeren Zwischenraum zwischen den Beschickungstorflügeln und der Beschickungsbühne verschließt. Diese im Wesentlichen dreiteilige Ausführung der Beschickungs-Toranlage hat den Vorzug, dass die Beschickungstorflügel etwas kleiner und leichter ausfallen können, sodass die Aufhängung der Beschickungstorflügel geringere Lasten aufnehmen müssen. Die Torschürze kann so ausgebildet sein, dass diese bedarfsweise entfernt werden kann, sodass die Beschickungsöffnung bedarfsweise vergrößert werden kann.In a further advantageous variant of the system according to the invention it is provided that the loading gate system comprises a gate apron which closes a larger gap between the loading gate leaves and the loading platform. This essentially three-part design of the loading gate system has the advantage that the loading gate leaves can be somewhat smaller and lighter, so that the suspension of the loading gate leaves has to accommodate smaller loads. The gate apron can be designed so that it can be removed if necessary, so that the loading opening can be enlarged if necessary.

Eine weitere Entlastung der Aufhängung der Beschickungstorflügel ergibt sich, wenn die Beschickungstorflügel auf der Torschürze verschiebbar geführt sind. Die Torschürze bildet in diesem Fall eine Gleitführung und untere Abstützung der Beschickungstorflügel. Die Torschürze kann beispielsweise mittels Zapfen in gabelförmige Aufnahmen an dem Gestell eingehängt sein. Die Torschürze kann so ausgebildet sein, dass diese mittels eines Krans oder dergleichen Hebezeugs in die Einbaulage verbracht werden kann. Alternativ kann die Torschürze so ausgebildet und angeordnet sein, dass sie auf die Beschickungsbühne umgelegt werden kann.The suspension of the loading gate leaves is further relieved if the loading gate leaves are slidably guided on the gate apron. In this case, the gate apron forms a sliding guide and lower support for the loading gate leaves. The gate apron can, for example, be suspended in fork-shaped receptacles on the frame using pins. The gate apron can be designed so that it can be moved into the installation position using a crane or similar lifting equipment. Alternatively, the gate apron can be designed and arranged in such a way that it can be placed on the loading platform.

Die Torschürze kann wenigstens eine Öffnung zur Probenentnahme oder Inspektion des Innenraums der Konverter Einhausung aufweisen.The gate apron can have at least one opening for taking samples or inspecting the interior of the converter housing.

Bei einer zweckmäßigen Ausgestaltung der Anlage gemäß der Erfindung ist vorgesehen, dass der Träger ein Profil aufweist, das wenigstens eine Fahrspur für wenigstens ein Stützrad wenigstens eines Beschickungstorflügels bildet.In an expedient embodiment of the system according to the invention, it is provided that the carrier has a profile which forms at least one lane for at least one support wheel of at least one loading gate leaf.

Die Beschickungs-Toranlage kann wenigstens einen Fahrantrieb aufweisen, der wenigstens ein angetriebenes Stützrad umfasst.The loading gate system can have at least one travel drive, which includes at least one driven support wheel.

Zweckmäßigerweise bildet die Fahrspur eine Führung für das wenigstens eine Stützrad.The lane expediently forms a guide for the at least one support wheel.

Bei der erfindungsgemäßen Ausgestaltung der Anlage ist vorgesehen, dass der wenigstens eine Beschickungstorflügel wenigstens ein oberes und ein unteres Stützrad aufweist, die in der Fahrtrichtung mit Abstand zueinander auf gegenüberliegenden Seiten des Massenschwerpunkts des Beschickungstorflügels angeordnet sind, sodass der Träger in vorteilhafter Art und Weise eine Momentenstütze für den betreffenden Beschickungstorflügel bildet.In the design of the system according to the invention, it is provided that the at least one loading gate leaf has at least one upper and one lower support wheel, which are arranged at a distance from one another in the direction of travel on opposite sides of the center of mass of the loading gate leaf, so that the carrier advantageously provides a torque support for the relevant loading gate wing.

Wenigstens ein Stützrad kann wenigstens einen Spurkranz umfassen, der mit einem Führungsprofil der Fahrspur zusammenwirkt. Bei einer bevorzugten Ausführung der Anlage ist vorgesehen, dass ein oder mehrere obere Stützräder jeweils zwei Spurkränze aufweisen, die mit einem oben auf dem Träger angeordneten rechteckigen Führungsprofil der Fahrspur zusammenwirken.At least one support wheel can include at least one wheel flange, which interacts with a guide profile of the lane. In a preferred embodiment of the system it is provided that one or more upper support wheels each have two wheel flanges, which interact with a rectangular guide profile of the lane arranged on top of the carrier.

Die Erfindung wird nachstehend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels erläutert, das eine Stahlwerksanlage mit einem Konverter als pyrometallurgische Anlage beschreibt. Es zeigen:

Figur 1
eine Vorderansicht einer Beschickungs-Toranlage gemäß der Erfindung in geöffnetem Zustand, wobei der dahinter angeordnete Konverter sowie die Einhausung des Konverters aus Gründen der Vereinfachung nicht dargestellt sind,
Figur 2
eine perspektivische Ansicht der geöffneten Beschickungs-Toranlage gemäß Figur 1,
Figur 3
eine Vorderansicht der geschlossenen Beschickungs-Toranlage gemäß der Erfindung,
Figur 4
eine perspektivische Ansicht der auf der Beschickungsbühne angeordneten Gestelle für die Beschickungstorflügel,
Figur 5
eine Vorderansicht einer Beschickungs-Toranlage gemäß einem zweiten Ausführungsbeispiel der Erfindung und
Figur 6
eine Detailansicht des zweiten Ausführungsbeispiels gemäß Figur 5.
The invention is explained below using an exemplary embodiment shown in the drawings, which describes a steelworks plant with a converter as a pyrometallurgical plant. Show it:
Figure 1
a front view of a loading gate system according to the invention in the open state, with the one arranged behind it Converter and the housing of the converter are not shown for reasons of simplification,
Figure 2
a perspective view of the opened loading gate system Figure 1 ,
Figure 3
a front view of the closed loading gate system according to the invention,
Figure 4
a perspective view of the racks for the loading gate leaves arranged on the loading platform,
Figure 5
a front view of a loading gate system according to a second embodiment of the invention and
Figure 6
a detailed view of the second exemplary embodiment Figure 5 .

Das in den Figuren gezeigte Ausführungsbeispiel veranschaulicht eine Beschickungs-Toranlage 1 an einem Konverter Stahlwerk. Die Beschickungs-Toranlage 1 ist Teil der nicht dargestellten Stahlwerksanlage, die wenigstens einen Konverter, eine Einhausung für den Konverter und eine Beschickungsöffnung 2 aufweist, die von der Beschickungs-Toranlage 1 wahlweise freigegeben oder verschlossen wird. Die Beschickungs-Toranlage 1 umfasst zwei Gestelle 3, die beiderseits der Beschickungsöffnung 2 der nicht dargestellten Einhausung auf einer Beschickungsbühne 4 angeordnet sind.The exemplary embodiment shown in the figures illustrates a loading gate system 1 at a converter steelworks. The loading gate system 1 is part of the steelworks system, not shown, which has at least one converter, an enclosure for the converter and a loading opening 2, which is either released or closed by the loading gate system 1. The loading gate system 1 comprises two frames 3, which are arranged on a loading platform 4 on both sides of the loading opening 2 of the housing, not shown.

Die Beschickungs-Toranlage 1 umfasst weiterhin zwei Beschickungstorflügel 5, welche jeweils auf einem Träger 6 eines Gestells 3 hängend abgestützt sind. Die Gestelle 3 sind mit einem Abstand zueinander in einer Öffnungs- und Schließebene der Beschickungs-Toranlage 1 so aufgestellt, dass diese beiderseits der Beschickungsöffnung 2 so angeordnet sind, dass die Beschickungsöffnung 2 nicht abgedeckt wird. In dieser Öffnungs- und Schießebene sind die Gestelle 3 so ausgerichtet, dass die Träger 6 fluchtend zueinander angeordnet sind. Jeder der Träger 6 ist als sogenannter Fahrträger ausgebildet, d. h. jeder Träger 6 umfasst auf seiner oberen Stirnseite eine Fahrspur 7 für ein Stützrad 9 eines Beschickungstorflügels 5.The loading gate system 1 further comprises two loading gate leaves 5, each of which is supported hanging on a support 6 of a frame 3. The frames 3 are set up at a distance from one another in an opening and closing plane of the loading gate system 1 so that they are arranged on both sides of the loading opening 2 so that the loading opening 2 is not is covered. In this opening and shooting level, the frames 3 are aligned so that the supports 6 are arranged in alignment with one another. Each of the carriers 6 is designed as a so-called travel carrier, that is, each carrier 6 includes on its upper end face a lane 7 for a support wheel 9 of a loading gate leaf 5.

Figur 4 zeigt die in der Öffnungs- und Schließebene gegenüberliegend mit Abstand zueinander angeordneten Gestelle 3 ohne die auf diesen aufgehängten Beschickungstorflügel 5. Die Gestelle 3 umfassen jeweils vertikale Stützen 11, die den Träger 6 aufnehmen, der sich in der Öffnungs- und Schließebene der Beschickungs-Toranlage 1 (in der X-Achse) erstreckt. Die Stützen 11 bilden jeweils ein Dreipunkt-Auflager, wobei an jedem Gestell 3 auf der der Beschickungsöffnung 2 zugewandten Seite zwei Stützen 11 vorgesehen sind, wohingegen auf der in der Öffnungs- und Schließebene der Beschickungsöffnung 2 abgewandten Seite nur eine Stütze 11 vorgesehen ist. Darüber hinaus ist jedes Gestell 3 mit einer horizontalen Abstützung 8 versehen, die den ggf. in der Z-Achse auftretenden Kräften entgegenwirkt. Figure 4 shows the frames 3, which are arranged opposite one another in the opening and closing plane and are spaced apart, without the loading gate leaves 5 suspended on them. The frames 3 each include vertical supports 11 which accommodate the carrier 6, which is located in the opening and closing plane of the loading gate system 1 (in the X axis). The supports 11 each form a three-point support, with two supports 11 being provided on each frame 3 on the side facing the loading opening 2, whereas only one support 11 is provided on the side facing away from the loading opening 2 in the opening and closing plane. In addition, each frame 3 is provided with a horizontal support 8, which counteracts any forces that may occur in the Z-axis.

Die Beschickungstorflügel 5 umfassen jeweils vier Stützräder 9, nämlich zwei obere Stützräder 9 sowie zwei untere Stützräder 9. Eines der oberen Stützräder 9 ist jeweils angetrieben. Der zugehörige Fahrantrieb ist mit dem Bezugszeichen 10 versehen. Die oberen Stützräder 9 sind jeweils mit zwei Spurkränzen versehen, die mit einer Profilleiste der Fahrspur 7 auf der Oberseite des Trägers 6 zusammenwirken. Die unteren Stützräder 9 liegen gegen die Unterseite des Trägers 6 an und fangen ein etwa auftretendes Kippmoment der Beschickungstorflügel 5 auf. Zweckmäßigerweise sind ein oberes Stützrad 9 und ein unteres Stützrad 9 beiderseits mit Abstand zu einem Massenschwerpunkt eines Beschickungstorflügels 5 so angeordnet, dass sie einem Kippmoment des betreffenden Beschickungstorflügels 5 sicher entgegenwirken.The loading gate leaves 5 each include four support wheels 9, namely two upper support wheels 9 and two lower support wheels 9. One of the upper support wheels 9 is driven. The associated travel drive is provided with the reference number 10. The upper support wheels 9 are each provided with two wheel flanges, which interact with a profile strip of the lane 7 on the top of the carrier 6. The lower support wheels 9 rest against the underside of the carrier 6 and absorb any tilting moment of the loading gate leaves 5 that may occur. An upper support wheel 9 and a lower support wheel 9 are expediently arranged on both sides at a distance from a center of mass of a loading gate leaf 5 in such a way that they reliably counteract a tilting moment of the relevant loading gate leaf 5.

Der Fahrweg der Beschickungstorflügel 5 wird zweckmäßigerweise mittels Endschaltern und/oder Anschlägen begrenzt.The travel path of the loading gate leaves 5 is expediently by means of limit switches and/or stops.

Im Folgenden wird Bezug genommen auf die Figuren 5 und 6, die ein zweites Ausführungsbeispiel der Erfindung zeigen. Gleiche Bauteile sind bei dem Ausführungsbeispiel gemäß Figuren 5 und 6 mit gleichen Bezugszeichen versehen.Reference is made below to the Figures 5 and 6 , which show a second embodiment of the invention. The same components are in the exemplary embodiment Figures 5 and 6 provided with the same reference numerals.

Die in Figur 5 dargestellte Beschickungs-Toranlage 1 umfasst ebenfalls zwei Beschickungstorflügel 5 sowie weiterhin eine Torschürze 12, die einen Zwischenraum zwischen den Beschickungstorflügeln 5 sowie der Beschickungsbühne 4 verdeckt und eine untere Führung für die Beschickungstorflügel 5 bildet. Die Beschickungstorflügel könnten sich auf einer oberen Stirnfläche der Torschürze 12 abstützen. Die obere Stirnfläche der Torschürze 12 ist zweckmäßigerweise als Gleitführung für die Beschickungstorflügel 5 ausgebildet.In the Figure 5 The loading gate system 1 shown also includes two loading gate leaves 5 and also a gate apron 12, which covers a gap between the loading gate leaves 5 and the loading platform 4 and forms a lower guide for the loading gate leaves 5. The loading gate wings could be supported on an upper end face of the gate apron 12. The upper end face of the gate apron 12 is expediently designed as a sliding guide for the loading gate leaves 5.

Figur 5 zeigt die geöffnete Beschickungs-Toranlage 1 gemäß dem zweiten Ausführungsbeispiel der Erfindung. Die Beschickungsöffnung 2 wird nach unten zu der Beschickungsbühne 4 durch die Torschürze 12 begrenzt. Die Torschürze 12 ist, wie das der Detailansicht in Figur 6 zu entnehmen ist, jeweils an ihren Seiten mit oberen und unteren Zapfen 13 versehen, die in gabelförmige Aufnahmen 14 der Gestelle 3 eingehängt sind. Die Torschürze 12 wird mittels eines Krans in die in Figur 5 gezeigte Einbaulage eingehängt. Die Beschickungstorflügel 5 sind jeweils an ihrer Unterseite mit einer die Torschürze übergreifenden Schutzlippe 15 versehen, die den unteren Abschluss eines Spaltes zwischen den Beschickungstorflügeln 5 und der Torschürze 12 bildet. Figure 5 shows the opened loading gate system 1 according to the second exemplary embodiment of the invention. The loading opening 2 is limited downwards to the loading platform 4 by the gate apron 12. The goal apron 12 is like the detailed view in Figure 6 can be seen, each provided on its sides with upper and lower pins 13, which are suspended in fork-shaped receptacles 14 of the frames 3. The gate apron 12 is inserted into the in. using a crane Figure 5 installed position shown. The loading gate wings 5 are each provided on their underside with a protective lip 15 which extends over the gate apron and forms the lower end of a gap between the loading gate wings 5 and the gate apron 12.

In der Torschürze 12 ist zweckmäßigerweise eine nicht näher bezeichnete Öffnung zur Probenentnahme oder zur Wartung vorgesehen, wobei dabei die Torschürze einen Hitzeschutz für die sich auf der Beschickungsbühne 4 aufhaltenden Arbeitskräfte bildet.An unspecified opening for sampling or maintenance is expediently provided in the gate apron 12, with the gate apron forming heat protection for the workers on the loading platform 4.

BezugszeichenlisteReference symbol list

11
Beschickungs-ToranlageFeeding gate system
22
Beschickungsöffnungloading opening
33
GestelleRacks
44
Beschickungsbühneloading platform
55
Beschickungstorflügelloading gate wing
66
Trägercarrier
77
Fahrspurlane
88th
horizontale Abstützunghorizontal support
99
StützräderSupport wheels
1010
Fahrantriebtraction drive
1111
StützenSupport
1212
TorschürzeGoal apron
1313
ZapfenCones
1414
gabelförmige Aufnahmenfork-shaped recordings
1515
Schutzlippeprotective lip

Claims (9)

  1. Charging door system for a pyrometallurgical plant, particularly steel works, comprising at least one metallurgical vessel with a housing and at least one charging platform (4), by which a charging opening (2) and/or emptying opening in the housing is or are closable, wherein the charging door plant (1) comprises at least one charging door leaf (5) which is supported by suspension on a carrier (6) and which is movable on the carrier (6), wherein the carrier (6) is held by a frame (3) arranged in stationary location on the charging platform (4), wherein the at least one charging door leaf (5) comprises at least one upper support wheel (9), characterised in that the charging door leaf (5) further comprises at least one lower support wheel (9) and that the upper and lower support wheels (9) are arranged in the travel direction at a spacing from one another on opposite sides of the mass centre of gravity of the charging door leaf (5).
  2. Charging door system according to claim 1, characterised in that the charging door system (1) comprises two charging door leaves (5) which are preferably constructed to close relative to one another in a plane.
  3. Charging door system according to one of claims 1 and 2, characterised in that the charging door leaf (5) is suspended with a lower spacing from the charging platform (4).
  4. Charging door system according to any one of claims 1 to 3, characterised in that the charging door system (1) comprises a door apron (12) which closes an intermediate space between the charging door leaves (5) and the charging platform (4).
  5. Charging door system according to claim 4, characterised in that the charging door leaf (5) is guided on the door apron (12) to be displaceable.
  6. Charging door system according to any one of claims 1 to 5, characterised in that the carrier (6) has a profile which forms at least one travel track (7) for at least one support wheel (9) of at least one charging door leaf (5).
  7. Charging door system according to any one of claims 1 to 6, characterised in that the charging door system (1) comprises at least one travel drive (10) which comprises at least one driven support wheel (9).
  8. Charging door system according to any one of claims 1 to 7, characterised in that the travel track (7) forms a guide for the at least one support wheel (9).
  9. Charging door system according to any one of claims 1 to 8, characterised int hat at least one support wheel (9) comprises at least one track flange which co-operates with a guide profile of the travel track (7).
EP22174922.9A 2021-10-11 2022-05-23 Loading gate system and steelworks plant with loading gate system Active EP4092367B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021211431 2021-10-11

Publications (2)

Publication Number Publication Date
EP4092367A1 EP4092367A1 (en) 2022-11-23
EP4092367B1 true EP4092367B1 (en) 2023-09-27

Family

ID=81841942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22174922.9A Active EP4092367B1 (en) 2021-10-11 2022-05-23 Loading gate system and steelworks plant with loading gate system

Country Status (2)

Country Link
EP (1) EP4092367B1 (en)
DE (1) DE102022205135A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094496A (en) * 1975-12-31 1978-06-13 Pennsylvania Engineering Corporation Enclosure for steel converting apparatus
US4049246A (en) * 1976-03-08 1977-09-20 Pennsylvania Engineering Corporation Bumper guard for steel converting apparatus enclosure
AT356157B (en) * 1977-02-21 1980-04-10 Voest Alpine Ag PLANT FOR FRESH IRON
ITMI20120532A1 (en) 2012-04-02 2013-10-03 Tenova Spa APPARATUS FOR CLOSING THE PORTA DI SCORIFICA AND CLEANING THE DOOR AND THE SCORIFIED CHANNEL OF A METALLURGICAL OVEN AND ITS METHOD

Also Published As

Publication number Publication date
EP4092367A1 (en) 2022-11-23
DE102022205135A1 (en) 2022-11-17

Similar Documents

Publication Publication Date Title
EP1693145B1 (en) Workpiece machining installation with a vertically movable workgripper
EP2281166A1 (en) Furnace system
EP4092367B1 (en) Loading gate system and steelworks plant with loading gate system
DE102010014596B4 (en) Vehicle for carrying out construction work in the railway track area
EP2435201B1 (en) Robot supported changeover of a tap hole slide gate in a steel casting ladle
DE4415855C1 (en) Fine casting installation with a gas-lock unit
EP2275764B1 (en) Device for positioning a material basket
WO2023061876A1 (en) Steelworks plant with charging door system, and charging door system
EP0005692A1 (en) Conversion installation with a tiltable converter
EP0639213B1 (en) Coke feed device with housing for a coke dry cooling installation
EP0244392B1 (en) Housing for a metallurgical vessel
EP0826221B1 (en) Electron bombardment installation
EP2603616B1 (en) Melt metallurgical installation comprising a charging element
DE2100015B2 (en) SUCTION AND DUST DUST DEVICE FOR AN ELECTRIC ARC FURNACE, IN PARTICULAR FOR STEEL PRODUCTION
EP3106738A1 (en) Device for moving and fastening a door
DE2723664C3 (en) Device for replacing and / or repairing the spout and the pouring stone in a steel pan
EP2392880B1 (en) Shaft furnace
DE2800693A1 (en) EXHAUST HOOD ON A FOLDED STAND WITH A TILTING CONVERTER
DE3146760C2 (en) Hood construction for a hut converter
DE1217028B (en) Device for charging induction crucible ovens or the like and for sucking off the resulting exhaust gases
DE102017112878A1 (en) Carriers change system
EP0091587B1 (en) Coke guide car
DE202005008801U1 (en) Target changing unit for magnetron glass coating assembly has two pick-up claws that simultaneously lift and transport one or more targets
DE3136558C2 (en) Device for expressing as well as receiving and transporting glowing coke
DE102024113066A1 (en) Protective cover for a lift system and lift system with such a

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17P Request for examination filed

Effective date: 20220523

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20221118

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230508

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502022000163

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231227

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231228

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240127

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230927