EP2030942B1 - Device for distributing a gas to containers - Google Patents

Device for distributing a gas to containers Download PDF

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Publication number
EP2030942B1
EP2030942B1 EP08163227A EP08163227A EP2030942B1 EP 2030942 B1 EP2030942 B1 EP 2030942B1 EP 08163227 A EP08163227 A EP 08163227A EP 08163227 A EP08163227 A EP 08163227A EP 2030942 B1 EP2030942 B1 EP 2030942B1
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EP
European Patent Office
Prior art keywords
gas
sleeve
distribution chamber
valve body
containers
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EP08163227A
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German (de)
French (fr)
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EP2030942A1 (en
Inventor
Berthold Burgmeier
Manfred Schmid
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Krones AG
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Krones AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details

Definitions

  • the invention relates to a device for distributing a gas on containers according to the preamble of claim 1 and as shown in US 3951186 known.
  • a device for distributing a gas on containers according to the preamble of claim 1 and as shown in US 3951186 known.
  • gaseous, substances such as, for example, hydrogen peroxide gas (H 2 O 2 ), sterile air, hot air or cold air.
  • filling carousels On which a plurality of filling devices are arranged, which in turn are supplied by a central source.
  • a central source for the purpose of this filling carousels are used, on which a plurality of filling devices are arranged, which in turn are supplied by a central source.
  • devices for sterilization with H 2 O 2 is to pay attention to a careful seal, as these gases can be dangerous for humans.
  • the present invention is therefore based on the object to provide a device for distributing a gas to containers available, which has low losses in terms of the containers filling the gas.
  • a device for distributing a gas to containers has a distribution space rotatably arranged with respect to a rotation axis, which has a multiplicity of openings through which the gas can be carried out from the distribution space. Furthermore, a sleeve arranged on the distribution space is provided, wherein the sleeve extends in the direction of the axis of rotation of the distribution space.
  • the device has a supply pipe in order to supply the gas to the distribution space, wherein the supply pipe extends at least in sections in the direction of the axis of rotation of the distribution space.
  • the sleeve is rotatably formed with respect to the feed tube, wherein between the sleeve and the feed tube is formed in the circumferential direction about the axis of rotation er-extending gas-passable gap.
  • a distribution space is understood in particular to mean a cavity which is at least partially surrounded by a wall and into which the medium can pass, and in which it can also come out through the openings and finally to the containers.
  • the gas is in particular sterile air, hydrogen peroxide gas and the like.
  • the sleeve is arranged in particular rotationally fixed to the distribution space and particularly preferably formed in one piece with this.
  • the gas is supplied to the distribution space and the feed tube extends either inside or outside with respect to the sleeve and preferably within the sleeve.
  • the gas may exit the device in a well-defined manner. This is achieved by this gap at the same time a well-defined seal that allows a specific gas outlet.
  • the gap extends in the direction of the axis of rotation, and more preferably, at least the narrowest portion of this gap extends in the direction of the axis of rotation.
  • the gap in a radial direction with respect to the axis of rotation has a width which is between 0.1 mm and 1.0 mm, preferably between 0.2 and 0.8 mm and particularly preferably between 0.2 mm and 0.4 mm.
  • the preferred width was found both theoretically and experimentally to be particularly suitable in order to bring about a precisely defined exit of hydrogen peroxide gas or other gases from the device.
  • the feed tube is arranged radially inside the sleeve. This means that the gap is inside the sleeve but outside the feed tube.
  • the device has an outer sleeve which is rotatably mounted relative to the sleeve by means of at least one bearing device.
  • at least two storage devices are provided which support the sleeve rotatable relative to the outer sleeve.
  • the preferred Outer sleeve together and rotatably arranged with the feed tube and between the outer sleeve and the feed tube is the sleeve.
  • the bearings are particularly preferably designed as a bearing, which withstand loads in the direction of the axis of rotation.
  • the distribution space has a larger cross section relative to the sleeve. More precisely, the distribution space preferably also has a larger cross section than the outer sleeve. In a particularly preferred embodiment, the distribution space has a frusto-conical portion which widens in a frusto-conical shape and a subsequent cylindrical portion in which the distribution space has a constant cross section, but which is greater than the inner cross section of the outer sleeve. Particularly preferably, the distribution space has a circular cross-section.
  • a plurality of openings in the peripheral wall of the distribution space is arranged.
  • leads can be connected to these openings, which in turn open into nozzles which fill the containers.
  • a valve body is provided within the distribution space, which is arranged rotatably relative to the distribution space.
  • the valve body is arranged stationary and the distribution chamber turns relative to the valve body.
  • the valve body always obscures at least partially regardless of its rotational position in the valve chamber a plurality of openings. In this way, the proportion of unused discharged gas is reduced.
  • valve body covers about a quarter of the above-mentioned openings and thus the valve body extends in the interior of the valve chamber about a quarter turn.
  • valve body has a substantially flat bottom surface. This flat bottom surface causes also a defined gap between the valve body and a bottom portion of the valve chamber can be formed, through which also the gas exits only defined.
  • valve body has only smooth or even surfaces.
  • valve body is arranged on the feed tube.
  • the distribution space has a bottom surface, and in the center of this bottom surface, an elevation pointing in the direction of the feed tube is provided.
  • this is a tip and around this tip around a curved surface is provided.
  • this central area serves to guide the gas flow supplied from the feed pipe in the direction of the openings.
  • the present invention is further directed to an arrangement for distributing a gas to containers with at least one device of the type described above, as well as a plurality of connecting lines which guide the gas from the device to the containers.
  • the device according to the invention is preferably arranged on a Verteilkarussell, which distributes the gas to the individual containers.
  • Fig. 1 shows a schematic representation of a plurality of inventive arrangements 30 for distributing a gas.
  • the reference numeral 35 refers in a whole to a system for treating containers, for example for disinfecting containers.
  • This arrangement comprises a sealed housing 56 in the interior of which are arranged a plurality of arrangements 30 for distributing the gas.
  • the individual arrangements 30 have carousels which, as indicated by the arrows P1, rotate counterclockwise.
  • transfer star 46 are provided between these individual arrangements, which pass on the containers 48 (shown only schematically) to the respective next arrangement 30.
  • the containers are transported into the arrangement 35 via a feeder 50 and a transfer carousel 52 arranged there. About an output carousel 54, the containers that lead out of the assembly 35, transported away.
  • the housing 56 protects the user from the escape of harmful gases, such as hydrogen peroxide gases.
  • the transfer stars 46 rotate clockwise, as indicated by the arrow P2.
  • Fig. 2 shows an inventive device 1 for distributing a gas.
  • This device 1 has a distribution space 4, via which the passing through a feed tube 12 into the distribution space 4 gas A in the direction of Variety of openings 8 is distributed. These openings 8 are arranged in a circumferential wall 38 of the distribution space 4.
  • the distribution space 4 has a bottom 14, which is screwed by means of screw 26 to an upper part 18 of the distribution space 4.
  • This upper part 18 has a conically widening from top to bottom cross section.
  • the bottom 14 has in its center Z a survey, more precisely a tip 14 b, which points upwards, that is to say in the direction of the feed pipe 12.
  • a curved region 14c adjoins this tip 14b, and a rectilinear section 14a of the bottom 14 adjoins this curved region 14c. These individual sections serve to guide the gas A in the direction of the openings 8.
  • a discharge opening 14d which serves to discharge condensate from the distribution space.
  • This drain opening 14d preferably has a diameter of about 5 mm.
  • a sleeve 6 is arranged. This sleeve 6 in turn extends in the direction of the axis of rotation D, around which the distribution space 4 is rotatably arranged together with the sleeve 6.
  • the above-mentioned feed tube 12 extends.
  • the feed tube 12 is arranged relative to the sleeve 6 such that between the feed tube 12 and the sleeve 6, a gap 10 is formed, via which the gas A, for example hydrogen peroxide gas (H 2 O 2 ) defines upwards and can ultimately step outside.
  • the gas A for example hydrogen peroxide gas (H 2 O 2 ) defines upwards and can ultimately step outside.
  • the gas is deflected and passes, past the two storage facilities 15, back down and out of the device 1 out.
  • the sleeve 12 is rotatably arranged relative to an outer sleeve 16 by means of two bearing devices 15, which are, for example, roller bearings.
  • the outer sleeve 16 in turn is arranged stationary or rotationally fixed. It is in the rolling bearings 15 to such bearings, which can also record loads in the axial direction, that is, along the axis of rotation D.
  • these are hybrid bearings with ceramic rolling elements or balls.
  • the flow cross section of the gas passing through the gap 10 is substantially smaller than the flow cross section formed by the inner cross section of the feed tube 12.
  • this gap 10 therefore also acts as a seal between the distribution space 4 and the areas lying outside this distribution space 4.
  • the outer sleeve 16 is arranged with screw 34 on a support 17, wherein this support 17 is in turn arranged with screw 19 to a flange 13.
  • the feed tube 12 is adjoined by the further access tube 22 that widens upwards, which in turn is fastened to a flange 36.
  • a valve body 20 is provided within the distribution space 4. In operation, this valve body 20 and the distribution chamber 4, more precisely, the peripheral wall 38 and the upper part 18, rotate relative to this valve body. Through this valve body 20, some of the openings 8 are always covered in the peripheral wall 38. The distribution space 4 is therefore limited by the bottom 14 and the upper part 18 with the peripheral wall 38.
  • the valve body 20 preferably has rectilinear surfaces and in particular a rectilinearly extending bottom section 21. Between the bottom portion 21 and the bottom 14 of the valve chamber 4, a further gap 24 is formed over which also defines the gas can escape to the outside. This gap 24 prevents friction losses between the bottom 14 and the valve body 20 as the bottom 14 rotates.
  • the gap 24 has a width of about 0.5 mm.
  • the flow cross-section, which allows each of the openings 8, is considerably larger than the flow cross-section, which passes on the entire valve body 20 to the outside.
  • each array 30 in the circumferential direction areas w, in which containers are never arranged.
  • the valve body 20 causes in this area regardless of the Rotary position of the valve chamber 4 always the openings lying in this area are largely hidden. In this way, unused leakage of the gas through the respective openings can be prevented even without the use of switchable valves.
  • Fig. 3 shows a further view of the device Fig. 2 , It can be seen that the valve body 20 is flanged to the feed tube 12 extends us in the circumferential direction by a predetermined angle, for example by 70 °.
  • the reference numeral 42 refers to a two-part ring, which in turn serves by means of screws 44 for fastening the above-mentioned flange 13.
  • the openings 8 have a diameter which is between 2 mm and 10 mm, preferably between 3 mm and 9 mm and particularly preferably about 8 mm.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Multiple-Way Valves (AREA)
  • Devices For Dispensing Beverages (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Verteilen eines Gases auf Behältnisse gemäß dem Oberbegriff des Anspruchs 1 und wie aus der US 3951186 bekannt. Im Bereich der Getränke herstellenden Industrie ist es üblich, insbesondere Kunststoffbehältnisse vor dem Abfüllen zu sterilisieren. Dabei wird das später zu befüllende Behältnis mit unterschiedlichen, insbesondere gasförmigen, Substanzen befüllt, wie beispielsweise Wasserstoffperoxidgas (H2O2), Sterilluft, Heißluft oder Kaltluft.The invention relates to a device for distributing a gas on containers according to the preamble of claim 1 and as shown in US 3951186 known. In the beverage industry, it is common practice to sterilize plastic containers prior to bottling. In this case, the container to be filled later is filled with different, in particular gaseous, substances, such as, for example, hydrogen peroxide gas (H 2 O 2 ), sterile air, hot air or cold air.

Zum Zweck dieser Befüllung werden üblicherweise Befüllungskarusselle eingesetzt, an denen eine Vielzahl von Fülleinrichtungen angeordnet sind, die wiederum von einer zentralen Quelle versorgt werden. Insbesondere bei Vorrichtungen zum Sterilisieren mit H2O2 ist dabei auf eine sorgfältige Abdichtung zu achten, da diese Gase auch für den Menschen gefährlich sein können.For the purpose of this filling usually filling carousels are used, on which a plurality of filling devices are arranged, which in turn are supplied by a central source. In particular, in devices for sterilization with H 2 O 2 is to pay attention to a careful seal, as these gases can be dangerous for humans.

Weiterhin sollte dafür Sorge getragen werden, dass ein Großteil des der Vorrichtung zugeführten Gases auch tatsächlich zu den Behältnissen gelangt.Furthermore, care should be taken that a large part of the device supplied gas actually gets to the containers.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zum Verteilen eines Gases auf Behältnisse zur Verfügung zu stellen, welche geringe Verluste hinsichtlich des die Behältnisse befüllenden Gases aufweist.The present invention is therefore based on the object to provide a device for distributing a gas to containers available, which has low losses in terms of the containers filling the gas.

Dies wird erfindungsgemäß durch eine Vorrichtung nach Anspruch 1 erreicht. Vorteilhafte Ausführungsformen und Weiterbildungen sind Gegenstand der Unteransprüche.This is inventively achieved by a device according to claim 1. Advantageous embodiments and further developments are the subject of the dependent claims.

Eine erfindungsgemäße Vorrichtung zum Verteilen eines Gases auf Behältnisse weist einen bezüglich einer Drehachse drehbar angeordneten Verteilraum auf, der eine Vielzahl von Öffnungen aufweist, durch welche hindurch das Gas aus dem Verteilraum ausführbar ist. Weiterhin ist eine an dem Verteilraum angeordnete Hülse vorgesehen, wobei sich die Hülse in der Richtung der Drehachse des Verteilraums erstreckt. Erfindungsgemäß weist die Vorrichtung ein Zuführrohr auf, um dem Verteilraum das Gas zuzuführen, wobei sich das Zuführrohr wenigstens abschnittsweise in der Richtung der Drehachse des Verteilraums erstreckt. Die Hülse ist dabei drehbar gegenüber dem Zuführrohr ausgebildet, wobei zwischen der Hülse und dem zuführrohr ein sich in der Umfangsrichtung um die Drehachse er-streckender für das Gas passierbarer Spalt gebildet wird.A device according to the invention for distributing a gas to containers has a distribution space rotatably arranged with respect to a rotation axis, which has a multiplicity of openings through which the gas can be carried out from the distribution space. Furthermore, a sleeve arranged on the distribution space is provided, wherein the sleeve extends in the direction of the axis of rotation of the distribution space. According to the invention, the device has a supply pipe in order to supply the gas to the distribution space, wherein the supply pipe extends at least in sections in the direction of the axis of rotation of the distribution space. The sleeve is rotatably formed with respect to the feed tube, wherein between the sleeve and the feed tube is formed in the circumferential direction about the axis of rotation er-extending gas-passable gap.

Unter einem Verteilraum wird insbesondere ein wenigstens teilweise von einer Wandung umgebener Hohlraum verstanden, in den das Medium gelangen kann, und in dem es auch durch die Öffnungen wieder heraus und schließlich zu den Behältnissen gelangen kann.A distribution space is understood in particular to mean a cavity which is at least partially surrounded by a wall and into which the medium can pass, and in which it can also come out through the openings and finally to the containers.

Bei dem Gas handelt es sich insbesondere um Sterilluft, Wasserstoffperoxidgas und dergleichen.The gas is in particular sterile air, hydrogen peroxide gas and the like.

Die Hülse ist dabei insbesondere drehfest an dem Verteilraum angeordnet und besonders bevorzugt einteilig mit diesem ausgebildet.The sleeve is arranged in particular rotationally fixed to the distribution space and particularly preferably formed in one piece with this.

Über das Zuführrohr wird dem Verteilraum das Gas zugeführt und das Zuführrohr verläuft entweder innerhalb oder außerhalb bezüglich der Hülse und bevorzugt innerhalb der Hülse.Via the feed tube the gas is supplied to the distribution space and the feed tube extends either inside or outside with respect to the sleeve and preferably within the sleeve.

Aus dem Spalt, der zwischen der Hülse und dem Zuführrohr ausgebildet ist, kann das Gas in genau definierter Weise aus der Vorrichtung austreten. Damit wird durch diesen Spalt auch gleichzeitig eine genau definierte Abdichtung erreicht, die einen bestimmten Gasaustritt ermöglicht.From the gap formed between the sleeve and the feed tube, the gas may exit the device in a well-defined manner. This is achieved by this gap at the same time a well-defined seal that allows a specific gas outlet.

Bei einer bevorzugten Ausführungsform erstreckt sich der Spalt in der Richtung der Drehachse und besonders bevorzugt erstreckt sich zumindest der engste Bereich dieses Spaltes in der Richtung der Drehachse. Bei einer weiteren vorteilhaften Ausführungsform weist der Spalt in einer bezüglich der Drehachse radialen Richtung eine Breite auf, die zwischen 0,1 mm und 1,0 mm, bevorzugt zwischen 0,2 und 0,8 mm und besonders bevorzugt zwischen 0,2 mm und 0,4 mm liegt. Aufgrund von aufwändigen Untersuchungen wurde sowohl theoretisch als auch experimentell die bevorzugte Breite als besonders geeignet ermittelt, um einen genau definierten Austritt von Wasserstoffperoxidgas oder sonstigen Gasen aus der Vorrichtung zu bewirken. Bei einer weiteren bevorzugten Ausführungsform ist das Zuführrohr radial innerhalb der Hülse angeordnet. Dies bedeutet, dass sich der Spalt innerhalb der Hülse, jedoch außerhalb des Zuführrohrs befindet.In a preferred embodiment, the gap extends in the direction of the axis of rotation, and more preferably, at least the narrowest portion of this gap extends in the direction of the axis of rotation. In a further advantageous embodiment, the gap in a radial direction with respect to the axis of rotation has a width which is between 0.1 mm and 1.0 mm, preferably between 0.2 and 0.8 mm and particularly preferably between 0.2 mm and 0.4 mm. As a result of extensive investigations, the preferred width was found both theoretically and experimentally to be particularly suitable in order to bring about a precisely defined exit of hydrogen peroxide gas or other gases from the device. In a further preferred embodiment, the feed tube is arranged radially inside the sleeve. This means that the gap is inside the sleeve but outside the feed tube.

Bevorzugt weist die Vorrichtung eine Außenhülse auf, der gegenüber die Hülse drehbar mittels wenigstens einer Lagereinrichtung gelagert ist. Bevorzugt werden wenigstens zwei Lagereinrichtungen vorgesehen, welche die Hülse drehbar gegenüber der Außenhülse lagern. Damit ist bevorzugt die Außenhülse gemeinsam und drehfest mit dem Zuführrohr angeordnet und zwischen der Außenhülse und dem Zuführrohr befindet sich die Hülse. Dabei sind die Lager besonders bevorzugt als Lager ausgeführt, welche auch Belastungen in Richtung der Drehachse standhalten. Es wäre jedoch auch möglich, eine entsprechende Lagereinrichtung an dem Zuführrohr vorzusehen und den Spalt zwischen zwei Lagereinrichtungen, beispielsweise zwischen zwei Wälzlagern anzuordnen.Preferably, the device has an outer sleeve which is rotatably mounted relative to the sleeve by means of at least one bearing device. Preferably, at least two storage devices are provided which support the sleeve rotatable relative to the outer sleeve. Thus, the preferred Outer sleeve together and rotatably arranged with the feed tube and between the outer sleeve and the feed tube is the sleeve. The bearings are particularly preferably designed as a bearing, which withstand loads in the direction of the axis of rotation. However, it would also be possible to provide a corresponding bearing device on the feed tube and to arrange the gap between two bearing devices, for example, between two rolling bearings.

Bei einer weiteren vorteilhaften Ausführungsform weist der Verteilraum gegenüber der Hülse einen größeren Querschnitt auf. Genauer gesagt weist bevorzugt der Verteilraum auch gegenüber der Außenhülse einen größeren Querschnitt auf. Bei einer besonders bevorzugten Ausführungsform weist der Verteilraum einen kegelstumpfförmigen Abschnitt auf, der sich kegelstumpfförmig erweitert und einen sich anschließenden zylinderförmigen Abschnitt, in dem der Verteilraum einen konstanten Querschnitt aufweist, der jedoch größer ist als der Innenquerschnitt der Außenhülse. Besonders bevorzugt weist auch der Verteilraum einen kreisförmigen Querschnitt auf.In a further advantageous embodiment, the distribution space has a larger cross section relative to the sleeve. More precisely, the distribution space preferably also has a larger cross section than the outer sleeve. In a particularly preferred embodiment, the distribution space has a frusto-conical portion which widens in a frusto-conical shape and a subsequent cylindrical portion in which the distribution space has a constant cross section, but which is greater than the inner cross section of the outer sleeve. Particularly preferably, the distribution space has a circular cross-section.

Bei einer weiteren bevorzugten Ausführungsform ist eine Vielzahl von Öffnungen in der Umfangswandung des Verteilungsraums angeordnet. An diese Öffnungen können sich beispielsweise Zuleitungen anschließen, welche wiederum in Düsen münden, welche die Behältnisse befüllen.In a further preferred embodiment, a plurality of openings in the peripheral wall of the distribution space is arranged. For example, leads can be connected to these openings, which in turn open into nozzles which fill the containers.

Bei einer weiteren vorteilhaften Ausführungsform ist innerhalb des Verteilraums ein Ventilkörper vorgesehen, dem gegenüber der Verteilraum drehbar angeordnet ist. Besonders bevorzugt ist dabei der Ventilkörper stationär angeordnet und der Verteilraum dreht sich gegenüber dem Ventilkörper. Im Rahmen von Anlagen zum Desinfizieren von Behältnissen schließen sich mehrere Vorrichtungen der oben genannten Art aneinander an, wobei diese jeweils über Transportsterne miteinander verbunden sind. Dabei tritt systembedingt des Öfteren ein Bereich auf, in dem zu keinem Zeitpunkt Behältnisse geführt werden. Mit Hilfe dieses Ventilkörpers können diejenigen Öffnungen, die sich innerhalb dieses Bereichs befinden, stets geschlossen werden. Weiterhin kann bei Verwendung dieses Ventilkörpers auf schaltbare Ventile verzichtet werden.In a further advantageous embodiment, a valve body is provided within the distribution space, which is arranged rotatably relative to the distribution space. Particularly preferably, the valve body is arranged stationary and the distribution chamber turns relative to the valve body. In the context of plants for disinfecting containers, several devices of the above type close to each other, which are each connected to each other via transport stars. Often occurs due to the system on an area in which at no time containers are kept. By means of this valve body, those openings which are within this range can always be closed. Furthermore, can be dispensed with switchable valves when using this valve body.

Vorzugsweise verdeckt der Ventilkörper daher unabhängig von seiner Drehstellung in dem Ventilraum stets mehrere Öffnungen zumindest teilweise. Auf diese Weise wird der Anteil des ungenutzt austretenden Gases reduziert.Preferably, therefore, the valve body always obscures at least partially regardless of its rotational position in the valve chamber a plurality of openings. In this way, the proportion of unused discharged gas is reduced.

Vorzugsweise deckt der Ventilkörper ca. ein Viertel der oben genannten Öffnungen und damit erstreckt sich der Ventilkörper im Inneren des Ventilraums ca. um eine viertel Drehung.Preferably, the valve body covers about a quarter of the above-mentioned openings and thus the valve body extends in the interior of the valve chamber about a quarter turn.

Bei einer weiteren vorteilhaften Ausführungsform weist der Ventilkörper eine im Wesentlichen ebene Bodenfläche auf. Diese ebene Bodenfläche bewirkt, dass ebenfalls ein definierter Spalt zwischen dem Ventilkörper und einem Bodenabschnitt des Ventilraums gebildet werden kann, durch den ebenfalls das Gas nur definiert austritt.In a further advantageous embodiment, the valve body has a substantially flat bottom surface. This flat bottom surface causes also a defined gap between the valve body and a bottom portion of the valve chamber can be formed, through which also the gas exits only defined.

Vorzugsweise weist der Ventilkörper lediglich glatte bzw. ebene Oberflächen auf. Bevorzugt ist der Ventilkörper an dem Zuführrohr angeordnet.Preferably, the valve body has only smooth or even surfaces. Preferably, the valve body is arranged on the feed tube.

Bei einer weiteren vorteilhaften Ausführungsform weist der Verteilraum eine Bodenfläche auf, und in dem Zentrum dieser Bodenfläche ist eine in Richtung des Zuführrohrs weisende Erhöhung vorgesehen. Vorzugsweise handelt es sich dabei um eine Spitze und um diese Spitze herum ist eine gekrümmte Fläche vorgesehen. Damit dient dieser Zentralbereich dazu, um die aus dem Zuführrohr zugeleitete Gasströmung in Richtung der Öffnungen zu leiten.In a further advantageous embodiment, the distribution space has a bottom surface, and in the center of this bottom surface, an elevation pointing in the direction of the feed tube is provided. Preferably, this is a tip and around this tip around a curved surface is provided. Thus, this central area serves to guide the gas flow supplied from the feed pipe in the direction of the openings.

Die vorliegende Erfindung ist weiterhin auf eine Anordnung zum Verteilen eines Gases auf Behältnisse mit wenigstens einer Vorrichtung der oben beschriebenen Art sowie einer Vielzahl von Verbindungsleitungen, welche das Gas von der Vorrichtung zu den Behältnisse führen, gerichtet. Dabei ist die erfindungsgemäße Vorrichtung bevorzugt auf einem Verteilkarussell angeordnet, welches das Gas auf die einzelnen Behältnisse verteilt.The present invention is further directed to an arrangement for distributing a gas to containers with at least one device of the type described above, as well as a plurality of connecting lines which guide the gas from the device to the containers. In this case, the device according to the invention is preferably arranged on a Verteilkarussell, which distributes the gas to the individual containers.

Weitere Vorteile und Ausführungsformen ergeben sich aus den beigefügten Zeichnungen:

  • Darin zeigen:
    Fig. 1
    Eine schematische Darstellung von erfindungsgemäßen Anordnungen zum Verteilen eines Gases;
    Fig. 2
    Eine detaillierte Darstellung einer erfindungsgemäßen Vorrichtung zum Verteilen von Gas; und
    Fig. 3
    Eine Schrägansicht der Vorrichtung aus Fig. 2.
Further advantages and embodiments will be apparent from the attached drawings:
  • Show:
    Fig. 1
    A schematic representation of arrangements according to the invention for distributing a gas;
    Fig. 2
    A detailed representation of a device according to the invention for distributing gas; and
    Fig. 3
    An oblique view of the device Fig. 2 ,

Fig. 1 zeigt eine schematische Darstellung einer Vielzahl von erfindungsgemäßen Anordnungen 30 zum Verteilen eines Gases. Dabei bezieht sich das Bezugszeichen 35 in einer Gesamtheit auf eine Anlage zum Behandeln von Behältnissen, beispielsweise zum Desinfizieren von Behältnissen. Diese Anordnung weist ein abgeschlossenes Gehäuse 56 auf, in dessen Inneren eine Vielzahl von Anordnungen 30 zum Verteilen des Gases angeordnet sind. Die einzelnen Anordnungen 30 weisen dabei Karusselle auf, die sich, wie durch die Pfeile P1 angedeutet, entgegen des Urzeigersinns drehen. Zwischen diesen einzelnen Anordnungen sind jeweils Übergabesterne 46 vorgesehen, welche die Behältnisse 48 (nur schematisch gezeigt) an die jeweils nächste Anordnung 30 weitergeben. Über eine Zuführung 50 und ein dort angeordnetes Übergabekarussell 52 werden die Behältnisse in die Anordnung 35 hinein transportiert. Über ein Ausgabekarussell 54 werden die Behältnisse, die aus der Anordnung 35 führen, abtransportiert. Durch das Gehäuse 56 wird der Benutzer vor dem Austritt von schädlichen Gasen, wie beispielsweise Wasserstoffperoxidgasen, geschützt. Die Übergabesterne 46 drehen sich, wie durch den Pfeil P2 angedeutet, im Uhrzeigersinn. Fig. 1 shows a schematic representation of a plurality of inventive arrangements 30 for distributing a gas. In this case, the reference numeral 35 refers in a whole to a system for treating containers, for example for disinfecting containers. This arrangement comprises a sealed housing 56 in the interior of which are arranged a plurality of arrangements 30 for distributing the gas. The individual arrangements 30 have carousels which, as indicated by the arrows P1, rotate counterclockwise. In each case transfer star 46 are provided between these individual arrangements, which pass on the containers 48 (shown only schematically) to the respective next arrangement 30. The containers are transported into the arrangement 35 via a feeder 50 and a transfer carousel 52 arranged there. About an output carousel 54, the containers that lead out of the assembly 35, transported away. The housing 56 protects the user from the escape of harmful gases, such as hydrogen peroxide gases. The transfer stars 46 rotate clockwise, as indicated by the arrow P2.

Wie erläutert, werden die Behältnisse jeweils entlang der Pfeile P1 und P2 geführt. Damit ergibt sich in jeder Anordnung 30 ein mit dem Bezugszeichen W gekennzeichneter Winkelbereich, innerhalb dessen keine Behältnisse geführt werden.As explained, the containers are each guided along the arrows P1 and P2. This results in each arrangement 30 a marked with the reference W angle range within which no containers are performed.

Fig. 2 zeigt eine erfindungsgemäße Vorrichtung 1 zum Verteilen eines Gases. Diese Vorrichtung 1 weist einen Verteilraum 4 auf, über den das durch ein Zuführrohr 12 in den Verteilraum 4 gelangende Gas A in Richtung einer Vielzahl von Öffnungen 8 verteilt wird. Diese Öffnungen 8 sind dabei in einer Umfangswandung 38 des Verteilraums 4 angeordnet. Fig. 2 shows an inventive device 1 for distributing a gas. This device 1 has a distribution space 4, via which the passing through a feed tube 12 into the distribution space 4 gas A in the direction of Variety of openings 8 is distributed. These openings 8 are arranged in a circumferential wall 38 of the distribution space 4.

Der Verteilraum 4 weist einen Boden 14 auf, der mittels Schraubverbindungen 26 an einem Oberteil 18 des Verteilraums 4 angeschraubt ist. Dieses Oberteil 18 weist dabei einen sich kegelförmig von oben nach unten erweiternden Querschnitt auf.The distribution space 4 has a bottom 14, which is screwed by means of screw 26 to an upper part 18 of the distribution space 4. This upper part 18 has a conically widening from top to bottom cross section.

Der Boden 14 weist in seinem Zentrum Z eine Erhebung, genauer eine Spitze 14b, auf, die nach oben, das heißt in Richtung des Zuführrohrs 12 weist.The bottom 14 has in its center Z a survey, more precisely a tip 14 b, which points upwards, that is to say in the direction of the feed pipe 12.

An diese Spitze 14b schließt sich ein gekrümmter Bereich 14c an, und an diesen gekrümmten Bereich 14c ein geradlinig verlaufender Abschnitt 14a des Bodens 14. Diese einzelnen Abschnitte dienen dazu, um das Gas A in Richtung der Öffnungen 8 zu leiten.A curved region 14c adjoins this tip 14b, and a rectilinear section 14a of the bottom 14 adjoins this curved region 14c. These individual sections serve to guide the gas A in the direction of the openings 8.

In dem geradlinig verlaufenden Abschnitt 14a des Bodens befindet sich eine (nur schematisch dargestellte) Abführöffnung 14d, die zum Abführen von Kondensat aus dem Verteilraum dient. Diese Ablauföffnung 14d weist bevorzugt einen Durchmesser von ca. 5 mm auf.In the rectilinear portion 14a of the bottom is a (only schematically shown) discharge opening 14d, which serves to discharge condensate from the distribution space. This drain opening 14d preferably has a diameter of about 5 mm.

An dem Verteilraum 4 ist eine Hülse 6 angeordnet. Diese Hülse 6 wiederum erstreckt sich in der Richtung der Drehachse D, um die der Verteilraum 4 gemeinsam mit der Hülse 6 drehbar angeordnet ist. Innerhalb der Hülse 6 verläuft das oben erwähnte Zuführrohr 12. Dabei ist das Zuführrohr 12 so gegenüber der Hülse 6 derart angeordnet, dass zwischen dem Zuführrohr 12 und der Hülse 6 ein Spalt 10 gebildet wird, über den das Gas A, beispielsweise Wasserstoffperoxidgas (H2O2) definiert nach oben und letztlich nach außen treten kann.At the distribution space 4, a sleeve 6 is arranged. This sleeve 6 in turn extends in the direction of the axis of rotation D, around which the distribution space 4 is rotatably arranged together with the sleeve 6. Within the sleeve 6, the above-mentioned feed tube 12 extends. In this case, the feed tube 12 is arranged relative to the sleeve 6 such that between the feed tube 12 and the sleeve 6, a gap 10 is formed, via which the gas A, for example hydrogen peroxide gas (H 2 O 2 ) defines upwards and can ultimately step outside.

Ausgehend von dem Spalt 10 wird das Gas umgelenkt und gelangt, an den beiden Lagereinrichtungen 15 vorbei, wieder nach unten und aus der Vorrichtung 1 heraus.Starting from the gap 10, the gas is deflected and passes, past the two storage facilities 15, back down and out of the device 1 out.

Damit tritt über diesen Spalt 10 ein definierter Druckverlust der gesamten Vorrichtung 1 auf. Die Hülse 12 ist mittels zweier Lagereinrichtungen 15, bei denen es sich beispielsweise um Wälzlager handelt, gegenüber einer Außenhülse 16 drehbar angeordnet. Die Außenhülse 16 wiederum ist stationär bzw. drehfest angeordnet. Dabei handelt es sich bei den Wälzlagern 15 um solche Wälzlager, die auch Belastungen in der axialen Richtung, das heißt entlang der Drehachse D aufnehmen können. Bevorzugt handelt es sich um Hybridlager mit keramischen Wälzelementen bzw. Kugeln. Der Strömungsquerschnitt des durch den Spalt 10 gelangenden Gases ist wesentlich kleiner als der Strömungsquerschnitt, der durch den Innenquerschnitt des Zuführrohrs 12 gebildet wird. Diese beiden Strömungsquerschnitte stehen in einem Verhältnis zueinander, welches zwischen 1 : 10 und 1 : 60, bevorzugt zwischen 1 : 20 und 1 : 40 und besonders bevorzugt zwischen 1 : 30 und 1 : 35 liegt. Gleichzeitig wirkt dieser Spalt 10 daher auch als Dichtung zwischen dem Verteilraum 4 und den außerhalb dieses Verteilraums 4 liegenden Bereichen.Thus, a defined pressure loss of the entire device 1 occurs via this gap 10. The sleeve 12 is rotatably arranged relative to an outer sleeve 16 by means of two bearing devices 15, which are, for example, roller bearings. The outer sleeve 16 in turn is arranged stationary or rotationally fixed. It is in the rolling bearings 15 to such bearings, which can also record loads in the axial direction, that is, along the axis of rotation D. Preferably, these are hybrid bearings with ceramic rolling elements or balls. The flow cross section of the gas passing through the gap 10 is substantially smaller than the flow cross section formed by the inner cross section of the feed tube 12. These two flow cross sections are in a relationship to one another, which is between 1:10 and 1:60, preferably between 1:20 and 1:40, and particularly preferably between 1:30 and 1:35. At the same time, this gap 10 therefore also acts as a seal between the distribution space 4 and the areas lying outside this distribution space 4.

Die Außenhülse 16 ist mit Schraubverbindungen 34 an einem Träger 17 angeordnet, wobei dieser Träger 17 wiederum mit Schraubverbindungen 19 an einem Flansch 13 angeordnet ist. An das Zuführrohr 12 schließt sich nach oben das sich nach oben erweiternde weitere Zugangsrohr 22 an, welches wiederum an einem Flansch 36 befestigt ist.The outer sleeve 16 is arranged with screw 34 on a support 17, wherein this support 17 is in turn arranged with screw 19 to a flange 13. The feed tube 12 is adjoined by the further access tube 22 that widens upwards, which in turn is fastened to a flange 36.

An diesem Flansch 36 können Zuleitungen (nicht gezeigt) für das Gas A angeordnet werden.At this flange 36 leads (not shown) for the gas A can be arranged.

Innerhalb des Verteilraums 4 ist ein Ventilkörper 20 vorgesehen. Im Betrieb steht dieser Ventilkörper 20 und der Verteilraum 4, genauer die Umfangswandung 38 und das obere Teil 18, drehen sich gegenüber diesem Ventilkörper. Durch diesen Ventilkörper 20 werden stets einige der Öffnungen 8 in der Umfangswandung 38 verdeckt. Der Verteilraum 4 wird daher durch den Boden 14 und das obere Teil 18 mit der Umfangswandung 38 begrenzt.Within the distribution space 4, a valve body 20 is provided. In operation, this valve body 20 and the distribution chamber 4, more precisely, the peripheral wall 38 and the upper part 18, rotate relative to this valve body. Through this valve body 20, some of the openings 8 are always covered in the peripheral wall 38. The distribution space 4 is therefore limited by the bottom 14 and the upper part 18 with the peripheral wall 38.

Bevorzugt weist der Ventilkörper 20 geradlinig verlaufende Flächen und insbesondere einen geradlinig verlaufenden Bodenabschnitt 21 auf. Zwischen dem Bodenabschnitt 21 und dem Boden 14 des Ventilraums 4 wird ein weiterer Spalt 24 gebildet, über den ebenfalls definiert das Gas nach außen austreten kann. Dieser Spalt 24 verhindert, dass es zu Reibungsverlusten zwischen dem Boden 14 und dem Ventilkörper 20 bei der Drehung des Bodens 14 kommt. Der Spalt 24 weist eine Breite von ca. 0,5 mm auf. Der Strömungsquerschnitt, den jede einzelne der Öffnungen 8 zulässt, ist erheblich größer als der Strömungsquerschnitt, der an dem gesamten Ventilkörper 20 vorbei nach außen tritt. Mittels Schraubverbindungen 32 ist der Ventilkörper 20, genauer, ein Ring 28 des Ventilkörpers 20 drehfest an dem Zuführrohr 12 angeordnet.The valve body 20 preferably has rectilinear surfaces and in particular a rectilinearly extending bottom section 21. Between the bottom portion 21 and the bottom 14 of the valve chamber 4, a further gap 24 is formed over which also defines the gas can escape to the outside. This gap 24 prevents friction losses between the bottom 14 and the valve body 20 as the bottom 14 rotates. The gap 24 has a width of about 0.5 mm. The flow cross-section, which allows each of the openings 8, is considerably larger than the flow cross-section, which passes on the entire valve body 20 to the outside. By means of screw 32, the valve body 20, more precisely, a ring 28 of the valve body 20 rotatably disposed on the feed tube 12.

Wie oben unter Bezugnahme auf Figur 1 erwähnt, gibt es bei jeder Anordnung 30 in Umfangsrichtung Bereiche w, in denen niemals Behältnisse angeordnet sind. Der Ventilkörper 20 bewirkt, dass in diesem Bereich unabhängig von der Drehstellung des Ventilraums 4 stets die in diesem Bereich liegenden Öffnungen weitgehend verdeckt sind. Auf diese Weise kann ein ungenutztes Ausströmen des Gases durch die jeweiligen Öffnungen auch ohne Verwendung schaltbarer Ventile verhindert werden.As above with reference to FIG. 1 mentioned, there are in each array 30 in the circumferential direction areas w, in which containers are never arranged. The valve body 20 causes in this area regardless of the Rotary position of the valve chamber 4 always the openings lying in this area are largely hidden. In this way, unused leakage of the gas through the respective openings can be prevented even without the use of switchable valves.

Fig. 3 zeigt eine weitere Ansicht der Vorrichtung aus Fig. 2. Man erkennt, dass der Ventilkörper 20 an das Zuführrohr 12 angeflanscht ist uns sich in Umfangsrichtung um einen vorgegebenen Winkel, beispielsweise um 70° erstreckt. Das Bezugszeichen 42 bezieht sich auf einen zweigeteilten Ring, der wiederum mittels Schrauben 44 zur Befestigung des oben erwähnten Flansches 13 dient. Fig. 3 shows a further view of the device Fig. 2 , It can be seen that the valve body 20 is flanged to the feed tube 12 extends us in the circumferential direction by a predetermined angle, for example by 70 °. The reference numeral 42 refers to a two-part ring, which in turn serves by means of screws 44 for fastening the above-mentioned flange 13.

Die Öffnungen 8 weisen einen Durchmesser auf, der zwischen 2 mm und 10 mm, bevorzugt zwischen 3 mm und 9 mm und besonders bevorzugt bei ca. 8 mm liegt.The openings 8 have a diameter which is between 2 mm and 10 mm, preferably between 3 mm and 9 mm and particularly preferably about 8 mm.

Claims (13)

  1. Apparatus (1) for distributing a gas to containers, comprising: a distribution chamber (4) arranged such that it can rotate with respect to a rotation axis (D) and having a plurality of openings (8) through which the gas can be guided out of the distribution chamber (4); a sleeve (6) arranged on the distribution chamber (4), the sleeve extending in the direction of the rotation axis (D) of the distribution chamber (4), wherein the apparatus (1) comprises a supply tube (12) configured to supply the gas to the distribution chamber (4), the supply tube (12) extending at least partially in the direction of the rotation axis (D) of the distribution chamber (4), the sleeve (16) being structured and arranged such that it can rotate with respect to the supply tube (12) and wherein a gap (10) which extends in a circumferential direction around the rotation axis (D) through which the gas can pass is formed between the sleeve (6) and the supply tube (12).
  2. Apparatus (1) according to claim 1, characterized in that the gap (10) extends in the direction of the rotation axis (D).
  3. Apparatus according to at least one of the preceding claims, characterized in that the gap (10) has, in a radial direction with respect to the rotation axis (D), a width between 0.1 mm and about 1.0 mm, preferably between 0.2 mm and about 0.8 mm and very preferably between 0.2 mm and about 0.4 mm.
  4. Apparatus (1) according to at least one of the preceding claims, characterized in that the supply tube (12) is arranged radially inside the sleeve (6).
  5. Apparatus according to at least one of the preceding claims, characterized in that the apparatus has an outer sleeve (16) which is mounted by means of at least one bearing device (15) such that it can rotate with respect to the sleeve (6).
  6. Apparatus according to at least one of the preceding claims, characterized in that the distribution chamber has a larger cross section than the sleeve (6).
  7. Apparatus according to at least one of the preceding claims, characterized in that a plurality of openings (8) are arranged in a circumferential wall (38) of the distribution chamber (4),
  8. Apparatus according to at least one of the preceding claims, characterized in that a valve body (20) is provided inside the distribution chamber (4) which is arranged such that the distribution chamber (4) can rotate with respect to the valve body (20).
  9. Apparatus according to claim 8, characterized in that the valve body (20) always at least partially covers a plurality of openings (18), regardless of its rotational position in the distribution chamber (4).
  10. Apparatus according to claim 8, characterized in that the valve body (20) is arranged on the supply tube.
  11. Apparatus according to claim 8, characterized in that the valve body (10) has a substantially flat base surface (22).
  12. Apparatus according to at least one of the preceding claims, characterized the distribution chamber (4) has a base surface (14) and a raised area (146), which points in the direction of the supply tube (12) is provided in the centre of this base surface.
  13. Arrangement for distributing a gas to containers, comprising an apparatus according to at least one of the preceding claims and also a plurality of connecting lines which guide the gas from the apparatus (1) to the containers.
EP08163227A 2007-09-01 2008-08-29 Device for distributing a gas to containers Active EP2030942B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007041685A DE102007041685A1 (en) 2007-09-01 2007-09-01 Device for distributing a medium to containers

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EP2030942A1 EP2030942A1 (en) 2009-03-04
EP2030942B1 true EP2030942B1 (en) 2012-11-21

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US (1) US7699080B2 (en)
EP (1) EP2030942B1 (en)
JP (1) JP5214374B2 (en)
CN (1) CN101377264B (en)
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DE (1) DE102007041685A1 (en)

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EP2030942A1 (en) 2009-03-04
CN101377264A (en) 2009-03-04
US20090056828A1 (en) 2009-03-05
JP5214374B2 (en) 2013-06-19
JP2009083933A (en) 2009-04-23
DE102007041685A1 (en) 2009-03-05
US7699080B2 (en) 2010-04-20
CN101377264B (en) 2012-05-23
BRPI0803651A2 (en) 2010-01-26

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