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EP2104575B1 - Application of purge gas to beverage containers - Google Patents

Application of purge gas to beverage containers Download PDF

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Publication number
EP2104575B1
EP2104575B1 EP07846516.8A EP07846516A EP2104575B1 EP 2104575 B1 EP2104575 B1 EP 2104575B1 EP 07846516 A EP07846516 A EP 07846516A EP 2104575 B1 EP2104575 B1 EP 2104575B1
Authority
EP
European Patent Office
Prior art keywords
purge gas
gas
cylinder
socket
container
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.)
Not-in-force
Application number
EP07846516.8A
Other languages
German (de)
French (fr)
Other versions
EP2104575A1 (en
Inventor
Thomas Stolte
Timo Jakob
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.)
KHS GmbH
Original Assignee
KHS GmbH
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Filing date
Publication date
Application filed by KHS GmbH filed Critical KHS GmbH
Priority to SI200731828A priority Critical patent/SI2104575T1/en
Publication of EP2104575A1 publication Critical patent/EP2104575A1/en
Application granted granted Critical
Publication of EP2104575B1 publication Critical patent/EP2104575B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/041—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting from above on containers or wrappers open at their top
    • B65B31/042—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting from above on containers or wrappers open at their top the nozzles being arranged for insertion into, and withdrawal from, the container or wrapper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • 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
    • B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
    • B67C3/10—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure preliminary filling with inert gases, e.g. carbon dioxide

Definitions

  • the invention is directed to a device for introducing a flushing or displacement gas into cans to be filled with food, in particular beverage cans.
  • the filling of the beverage into the can wherein at the same time the can interior is vented into the interior of the boiler
  • the can is flushed out of the boiler before biasing with gas that the inert gas when preloading directly into the can interior is introduced and that while the existing gas mixture is at least partially displaced into the memory.
  • the store is vented to the outside.
  • this object is achieved by the characterizing features of claim 1, namely by a laying on the upper edge of the can with a seal, raised and lowered sleeve in which a purge gas is raised and lowered, and with a gas discharge line is equipped solved.
  • the advantage of the present invention is to allow for a fixed open, initially filled with ambient air can by means of the raisable and lowerable purge gas tube, the introduction of the purge gas near the bottom of the can, said purge gas / air mixture is removable via a gas discharge line.
  • the atmosphere within the can is significantly improved, so that the possibility of oxygen uptake or foreign gas intake is minimized during the subsequent filling process, which leads to an improvement in the quality of the final product.
  • the cylinder leading the flushing pipe is expediently surrounded on the outside by a sleeve which is sealed relative to this cylinder and hangs up with its sealing edge on the upper edge of the sleeve during the flushing process. If the cylinder has two regions of different diameter, such that an annular shoulder results, this region can be used to form the start of the exhaust gas line.
  • the tapered in diameter end portion of the cylindrical valve body is designed so that an annular gap between the edge sealing bearing end portion of the sleeve and the valve cylinder forms the above-mentioned discharge of Spülgas- / air mixture.
  • a vacuum pump may be provided on the exhaust pipe beyond.
  • the corresponding procedure of a rinsing process according to the invention is that a provided with an edge seal sleeve is lowered to the upper edge of a can to be rinsed and positioned against this sealing, subsequently a Spellergaszu Glassrohr and an exhaust pipe supporting valve cylinder is lowered so far into the can that the outlet opening of the flushing pipe is in the can bottom area, leaving a gas outlet area, and subsequently the flushing gas feed and the flue pipe is opened until the can is completely filled with flushing gas.
  • a further improvement may be that the purge gas air mixture is sucked off via a vacuum pump synchronized with the purge gas supply during the purge process.
  • the generally designated 1 device is used to introduce a flushing or displacing gas to be filled with food cans 2.
  • a flushing or displacing gas to be filled with food cans 2.
  • purge gas first provided with a lower ring seal 3 sleeve 4 is pressed onto the designated can edge 2a , wherein the can rests on a corresponding support 5.
  • the lowering and lifting of the sleeve 4 is marked with a double arrow 6 on a not shown lifting and lowering mechanism.
  • a sleeve 4 is raised and lowered, which is sealed gas-tight relative to the cylinder 7 by means of seals 8.
  • a purge gas pipe 9 is positioned centrically. On the outer edge side, one or more exhaust pipes 10 are positioned, which are provided with a vacuum pump 11. The purge gas pipe 9 is lowered into the region of the bottom 2b of the box 2, so far that z. B. CO 2 can flow out there.
  • the valve provided in the purge gas tube is designated in the figure by 12, the valve in the exhaust gas line by 13.
  • the lifting and lowering characterizing double arrow in the purge gas pipe 9 is denoted by 14.
  • the guided in the cylinder 7 purge gas pipe 9 is lowered into the can 2 (double arrow 14).
  • the cylinder 7 is equipped at its pointing in the direction of the can 2 end with a portion 7a of smaller diameter, so that in the functional position of the cylinder 7, the escaping during flushing out of the can gas can be sucked by the vacuum pump 11 through the exhaust pipe 10.
  • the valve 12 is opened, at the same time the valve 13 of the exhaust pipe and possibly the vacuum pump 11 is put into operation.
  • the flushing process itself is time-controlled and ends at the end of the preselected period of time.
  • the Spülgasrohrventil12 and the exhaust pipe valve are closed, followed by further process steps to fill the can.
  • the sleeve 4 is lifted from the can, the now filled can can be connected to further process steps, eg. As the closing, be forwarded.
  • a sensor-controlled control of the rinsing process can be provided.
  • sensors for gas pressure or for the determination of the purge gas concentration can be provided, which trigger the completion of the purge when the predetermined target values are reached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Cleaning In General (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Description

Die Erfindung richtet sich auf eine Vorrichtung zum Einbringen eines Spül- bzw. Verdrängergases in mit Lebensmitteln zu füllenden Dosen, insbesondere Getränkedosen.The invention is directed to a device for introducing a flushing or displacement gas into cans to be filled with food, in particular beverage cans.

Bei mit Lebensmitteln, z. B. Getränken, zu füllenden Flaschen ist es bekannt, die O2-haltige Luft durch Evakuieren und nachfolgendem Spülen mit CO2 zu entfernen. Wandte man diese bekannte Technologie bei zu füllenden Getränkedosen an, führte dies durch den Evakuierungsschritt dazu, dass die sehr dünnwandigen Getränkedosen implodierten und damit unbrauchbar würden.With with food, z. As drinks, bottles to be filled, it is known to remove the O 2 -containing air by evacuation and subsequent rinsing with CO 2 . Turning this known technology to be filled in beverage cans, this led to the evacuation step that the very thin-walled beverage cans imploded and thus unusable.

Eine andere Vorgehensweise besteht darin, dass man die Dosen nachhaltig offen mit CO2 spült. Dies führt zwar zu den gewünschten Spüleffekten, allerdings hat diese Vorgehensweise den großen Nachteil, dass sich in unmittelbarer Nähe der entsprechenden Anlage eine Konzentration von CO2 ergibt, so dass der Maschinenbediener einem zu hohen MAK-Wert (maximale Arbeitsplatz-Konzentration) ausgesetzt ist.Another approach is to flush the cans sustainably open with CO 2 . Although this leads to the desired rinsing effects, this procedure has the great disadvantage that a concentration of CO 2 results in the immediate vicinity of the corresponding installation so that the machine operator is exposed to an excessively high MAK value (maximum workplace concentration).

Aus der Druckschrift EP-B-531358 sind ein Verfahren und eine Vorrichtung zum sterilen Abfüllen von Getränkeflüssigkeiten bekannt geworden. Beim Verfahren wird mit einem kurzen Dampfzuleitungsrohr eine Dampfbeaufschlagung einer an das Dosierorgan geführten Flasche zum Sterilisieren vorgenommen. Alle Phasen, also sowohl die CO2-Spülung, die Vorspannung, die Rückgasabführung, die Heißdampfzuführung, erfolgen durch das kurze Dampfzuleitungsrohr. Beim Füllvorgang läuft die abzufüllende Flüssigkeit um das kurze Dampfzuleitungsrohr herumFrom the publication EP-B-531 358 For example, a method and a device for the sterile filling of beverage liquids have become known. In the method, steam is applied to a bottle guided for sterilization with a short steam supply pipe. All phases, that is, the CO 2 purge, the bias voltage, the return gas discharge, the superheated steam supply, take place through the short steam supply pipe. During the filling process, the liquid to be filled runs around the short steam supply pipe

Aus der Druckschrift EP-A-365867 sind ein Verfahren und eine Vorrichtung bekannt geworden, bei denen die Dose vor dem Einfüllen des Getränks aus einem Kessel mit einem Inertgas auf einen Druck vorgespannt wird, der geringfügig unter dem Kesseldruck liegt. Der Doseninnenraum ist mit einem Speicher verbunden. Anschließend wird dann eine Verbindung zwischen der Kesselinnenatmosphäre und dem Doseninnenraum hergestellt, wobei die Dose auf den Kesselinnendruck vorgespannt wird. Anschließend erfolgt dann das Einfüllen des Getränks in die Dose, wobei gleichzeitig der Doseninnenraum in das Kesselinnere entlüftet wird Um den CO2-Anteil im Doseninneren gegenüber herkömmlichen Verfahren zu erhöhen, ist vorgesehen, dass die Dose vor dem Vorspannen mit Gas aus dem Kessel durchgespült wird, dass das Inertgas beim Vorspannen direkt in den Doseninnenraum eingeleitet wird und dass dabei das vorhandene Gasgemisch zumindest teilweise in den Speicher verdrängt wird. Nach Beendigung des Füllvorganges wird der Speicher ins Freie entlüftet.From the publication EP-A-365 867 For example, a method and apparatus have become known in which the can is biased to a pressure slightly below the kettle pressure prior to filling the beverage from a kettle with an inert gas. The can interior is connected to a storage. Subsequently, a connection between the internal boiler atmosphere and the can interior is made, wherein the can is biased to the internal pressure of the vessel. Then, the filling of the beverage into the can, wherein at the same time the can interior is vented into the interior of the boiler To increase the CO 2 content in the can interior over conventional methods, it is provided that the can is flushed out of the boiler before biasing with gas that the inert gas when preloading directly into the can interior is introduced and that while the existing gas mixture is at least partially displaced into the memory. After completion of the filling process, the store is vented to the outside.

Hier setzt die Erfindung an, deren Aufgabe darin besteht, eine Vorrichtung zu schaffen, mit der ein optimaler Spüleffekt von mit Lebensmitteln zu füllenden Dosen erreichbar ist, ohne eine Belastung der Umgebung, etwa mit zu hohen CO2-Werten.This is where the invention, whose task is to provide a device with which an optimal rinsing effect can be achieved by doses to be filled with food, without burdening the environment, such as too high CO 2 values.

Mit einer Vorrichtung der eingangs bezeichneten Art wird diese Aufgabe durch die kennzeichnenden Merkmale des Anspruches 1, nämlich durch eine sich am oberen Dosenrand mit einer Dichtung anlegende, heb- und senkbare Hülse, in der ein Spülgasrohr heb- und senkbar geführt ist, und die mit einer Gasabführleitung ausgerüstet ist, gelöst.With a device of the type described, this object is achieved by the characterizing features of claim 1, namely by a laying on the upper edge of the can with a seal, raised and lowered sleeve in which a purge gas is raised and lowered, and with a gas discharge line is equipped solved.

Der Vorteil der vorliegenden Erfindung besteht darin, bei einer fixierten geöffneten, zunächst mit Umgebungsluft gefüllten Dose mittels des heb- und senkbaren Spülgasrohres das Einbringen des Spülgases in Bodennähe der Dose zu ermöglichen, wobei dieses Spülgas-/Luftgemisch über eine Gasabführleitung entfernbar ist.The advantage of the present invention is to allow for a fixed open, initially filled with ambient air can by means of the raisable and lowerable purge gas tube, the introduction of the purge gas near the bottom of the can, said purge gas / air mixture is removable via a gas discharge line.

Damit ist auch die Möglichkeit gegeben, ggf. das Spülgas-/ Luftgemisch wieder aufzuarbeiten und das Spülgas in den Kreislauf zurückzuführen. Es ist aber auch möglich, das Spülgas-/Luftgemisch z. B. über das Hallendach zu entsorgen. In beiden Fällen wird das Bedienerumfeld einer entsprechend ausgerüsteten Maschine wesentlich verbessert, da es nicht von CO2 oder einem Spülgassmog belastet wird.This also gives the opportunity, if necessary, to work up the purge gas / air mixture again and to recycle the purge gas into the circuit. But it is also possible, the purge gas / air mixture z. B. to dispose of the hall roof. In both cases, the operator environment of a suitably equipped machine is substantially improved as it is not subject to CO 2 or purge gas mist.

Die Atmosphäre innerhalb der Dose wird deutlich verbessert, damit wird auch während des anschließenden Füllvorganges die Möglichkeit einer Sauerstoffaufnahme bzw. Fremdgasaufnahme minimiert, was zu einer Verbesserung der Qualität des Endproduktes führt.The atmosphere within the can is significantly improved, so that the possibility of oxygen uptake or foreign gas intake is minimized during the subsequent filling process, which leads to an improvement in the quality of the final product.

Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Embodiments of the invention will become apparent from the dependent claims.

Der das Spülrohr führende Zylinder ist zweckmäßig außen von einer gegenüber diesem Zylinder abgedichteten Hülse umgeben, die sich beim Spülvorgang mit ihrem Dichtrand auf den oberen Hülsenrand auflegt. Weist der Zylinder zwei Bereiche unterschiedlichen Durchmessers auf, derart, dass sich eine Ringschulter ergibt, kann dieser Bereich dazu benutzt werden, den Beginn der Abgasleitung zu bilden.The cylinder leading the flushing pipe is expediently surrounded on the outside by a sleeve which is sealed relative to this cylinder and hangs up with its sealing edge on the upper edge of the sleeve during the flushing process. If the cylinder has two regions of different diameter, such that an annular shoulder results, this region can be used to form the start of the exhaust gas line.

Der im Durchmesser verjüngte Endbereich des zylindrischen Ventilkörpers ist dabei so gestaltet, dass sich ein Ringspalt zwischen dem die Randdichtung tragenden Endbereich der Hülse und dem Ventilzylinder bildet zur oben angesprochenen Abführung des Spülgas-/Luftgemisches.The tapered in diameter end portion of the cylindrical valve body is designed so that an annular gap between the edge sealing bearing end portion of the sleeve and the valve cylinder forms the above-mentioned discharge of Spülgas- / air mixture.

Um den Spülvorgang zu verbessern und zu beschleunigen kann darüber hinaus an der Abgasleitung eine Vakuumpumpe vorgesehen sein.In order to improve the flushing process and accelerate a vacuum pump may be provided on the exhaust pipe beyond.

Die entsprechende Verfahrensweise eines erfindungsgemäßen Spülvorganges besteht darin, dass eine mit einer Randdichtung versehene Hülse auf den oberen Rand einer zu spülenden Dose abgesenkt und gegen diese dichtend positioniert wird, nachfolgend ein das Spülgaszuführrohr und eine Abgasleitung tragender Ventilzylinder so weit in die Dose abgesenkt wird, dass sich die Austrittsöffnung des Spülrohres im Dosenbodenbereich unter Freilassung eines Gasaustrittsbereiches befindet und nachfolgend die Spülgaszuführ- und die Abgasleitung so lange geöffnet wird, bis die Dose vollständig mit Spülgas gefüllt ist.The corresponding procedure of a rinsing process according to the invention is that a provided with an edge seal sleeve is lowered to the upper edge of a can to be rinsed and positioned against this sealing, subsequently a Spülgaszuführrohr and an exhaust pipe supporting valve cylinder is lowered so far into the can that the outlet opening of the flushing pipe is in the can bottom area, leaving a gas outlet area, and subsequently the flushing gas feed and the flue pipe is opened until the can is completely filled with flushing gas.

Eine weitere Verbesserung kann darin bestehen, dass über eine mit der Spülgaszufuhr synchronisierte Vakuumpumpe während des Spülvorganges das Spülgasluftgemisch abgesaugt wird.A further improvement may be that the purge gas air mixture is sucked off via a vacuum pump synchronized with the purge gas supply during the purge process.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aufgrund der nachfolgenden Beschreibung sowie anhand der Zeichnung. Diese zeigt in der einzigen Figur eine teilweise vereinfachte Darstellung einer Vorrichtung nach der Erfindung in Spülposition.Further features, details and advantages of the invention will become apparent from the following description and from the drawing. This shows in the single figure a partially simplified representation of a device according to the invention in rinsing position.

Die allgemein mit 1 bezeichnete Vorrichtung dient zur Einbringung eines Spül- bzw. Verdrängergases in mit Lebensmitteln zu füllende Dosen 2. Um die Dose 2 mit Spülgas zu füllen, wird zunächst eine mit einer unteren Ringdichtung 3 versehene Hülse 4 auf den mit 2a bezeichneten Dosenrand gedrückt, wobei die Dose auf einer entsprechenden Auflage 5 ruht. Das Absenken und Heben der Hülse 4 ist mit einem Doppelpfeil 6 an einem nicht näher dargestellten Hub- und Senkmechanismus gekennzeichnet.The generally designated 1 device is used to introduce a flushing or displacing gas to be filled with food cans 2. To fill the can 2 with purge gas, first provided with a lower ring seal 3 sleeve 4 is pressed onto the designated can edge 2a , wherein the can rests on a corresponding support 5. The lowering and lifting of the sleeve 4 is marked with a double arrow 6 on a not shown lifting and lowering mechanism.

Am Zylinder 7 ist eine Hülse 4 heb- und senkbar geführt, die gegenüber dem Zylinder 7 mittels Dichtungen 8 gasdicht abgedichtet ist.On the cylinder 7, a sleeve 4 is raised and lowered, which is sealed gas-tight relative to the cylinder 7 by means of seals 8.

Im Zylinder 7 ist ein Spülgasrohr 9 zentrisch positioniert. Außenrandseitig sind eine oder mehrere Abgasleitungen 10 positioniert, welche mit einer Vakuumpumpe 11 versehen sind. Das Spülgasrohr 9 wird bis in den Bereich des Bodens 2b der Dose 2 abgesenkt, so weit, dass z. B. CO2 dort ausströmen kann.In the cylinder 7, a purge gas pipe 9 is positioned centrically. On the outer edge side, one or more exhaust pipes 10 are positioned, which are provided with a vacuum pump 11. The purge gas pipe 9 is lowered into the region of the bottom 2b of the box 2, so far that z. B. CO 2 can flow out there.

Das im Spülgasrohr vorgesehene Ventil ist in der Figur mit 12 bezeichnet, das Ventil in der Abgasleitung mit 13. Der das Heben und Senken kennzeichnende Doppelpfeil im Spülgasrohr 9 ist mit 14 bezeichnet.The valve provided in the purge gas tube is designated in the figure by 12, the valve in the exhaust gas line by 13. The lifting and lowering characterizing double arrow in the purge gas pipe 9 is denoted by 14.

Die Wirkungsweise der erfindungsgemäßen Vorrichtung ist dabei die folgende:

  • Zunächst wird eine später mit einem Lebensmittel zu füllende Dose 2 an die Position der erfindungsgemäßen Vorrichtung, z. B. über eine Auflage bzw. ein Transportelement 5, gebracht. Befindet sich die Dose 2 in der zutreffenden Position, senkt sich (Doppelpfeil 6) über eine nicht näher dargestellte Vorrichtung die Hülse 4 über die Dose bis sie mit ihrer Ringdichtung 3 den oberen Dosenrand 2a erfasst und diesen gegen die Umgebung abdichtet.
The mode of operation of the device according to the invention is the following:
  • First, a later to be filled with a food can 2 to the position of the device according to the invention, for. B. via a support or a transport element 5, brought. The can 2 is in the appropriate position, lowers (double arrow 6) via a device, not shown, the sleeve 4 on the can until it detects the upper edge of the can 2a with its ring seal 3 and seals it against the environment.

Synchron oder getrennt von dieser Abwärtsbewegung gemäß Doppelpfeil 6 wird das im Zylinder 7 geführte Spülgasrohr 9 in die Dose 2 abgesenkt (Doppelpfeil 14). Der Zylinder 7 ist an seinem in Richtung auf die Dose 2 weisenden Ende mit einem Bereich 7a kleineren Durchmessers ausgerüstet, so dass in Funktionslage des Zylinders 7 das während des Spülens aus der Dose entweichende Gas mittels der Vakuumpumpe 11 durch die Abgasleitung 10 abgesaugt werden kann.
Zum Beaufschlagen des Doseninneren mit Spülgas wird das Ventil 12 geöffnet, gleichzeitig das Ventil 13 der Abgasleitung und ggf. die Vakuumpumpe 11 in Betrieb gesetzt.Synchronous or separated from this downward movement according to double arrow 6, the guided in the cylinder 7 purge gas pipe 9 is lowered into the can 2 (double arrow 14). The cylinder 7 is equipped at its pointing in the direction of the can 2 end with a portion 7a of smaller diameter, so that in the functional position of the cylinder 7, the escaping during flushing out of the can gas can be sucked by the vacuum pump 11 through the exhaust pipe 10.
For applying the can interior with flushing gas, the valve 12 is opened, at the same time the valve 13 of the exhaust pipe and possibly the vacuum pump 11 is put into operation.

Der Spülvorgang selbst ist beispielsweise zeitgesteuert und endet mit Ablauf der vorgewählten Zeitspanne. Dazu werden das Spülgasrohrventil12 und das Abgasleitungsventil geschlossen, worauf weitere Verfahrensschritte zur Füllung der Dose folgen. Ist das Füllen der Dose beendet, so wird die Hülse 4 von der Dose abgehoben, die nunmehr befüllte Dose kann an weitere Verfahrensschritte, z. B. des Verschließen, weiter geleitet werden.
Neben dem zeitgesteuerten Beenden des Spülvorganges kann beispielsweise auch eine sensorgesteuerte Steuerung des Spülvorganges vorgesehen sein. So können beispielsweise Sensoren für Gasdruck oder für die Ermittlung der Spülgaskonzentration vorgesehen sein, welche beim Erreichen der vorgegebenen Soll-Werte die Beendigung des Spülvorganges auslösen.The flushing process itself, for example, is time-controlled and ends at the end of the preselected period of time. For this purpose, the Spülgasrohrventil12 and the exhaust pipe valve are closed, followed by further process steps to fill the can. Is the filling of the can finished, the sleeve 4 is lifted from the can, the now filled can can be connected to further process steps, eg. As the closing, be forwarded.
In addition to the time-controlled termination of the rinsing process, for example, a sensor-controlled control of the rinsing process can be provided. For example, sensors for gas pressure or for the determination of the purge gas concentration can be provided, which trigger the completion of the purge when the predetermined target values are reached.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Vorrichtungcontraption
22
Dosecan
2a2a
Dosenrandcan edge
2b2 B
Dosenbodencan bottom
33
Ringdichtungring seal
44
Hülseshell
55
Auflageedition
66
Doppelpfeildouble arrow
77
Zylindercylinder
7a7a
Zylinderendecylinder end
88th
Dichtungenseals
99
Spülgasrohrpurge gas
1010
Abgasleitungexhaust pipe
1111
Vakuumpumpevacuum pump
1212
SpülgasrohrventilSpülgasrohrventil
1313
AbgasleitungsventilExhaust pipe valve
1414
Doppelpfeildouble arrow
1515
Ringraumannulus

Claims (6)

  1. Device for applying a purge gas or flushing gas to containers (2) which are to be filled with comestibles, particularly beverage containers, comprising a socket (4) which attaches to the upper container edge (2a) by means of a ring seal (3), wherein the socket (4) is guided such as to be raisable and lowerable on a cylinder (7), and a purge gas tube (9) is guided such as to be raisable and lowerable in a cylinder (7), and the socket (4) is equipped with a gas outlet (10), and the purge gas tube (9) is configured in such a way that it can be introduced as far as proximity to the floor of the container (2) which is to be filled.
  2. Device according to claim 1, characterised in that the centric cylinder (7) guiding the purge gas tube (9) surrounded by the socket (4) carrying the ring seal (3), is sealed against this and is provided with an end region (7a) which tapers in diameter, wherein the gas outlet (10) projects from the shoulder which is formed in this way.
  3. Device according to claim 2, characterised in that the end region (7a), tapering in diameter, of the centric cylinder (7) comprises an outer diameter which, for the formation of a gas outlet gap, is smaller than the inner diameter of the end region of the socket (4), carrying the ring seal (3).
  4. Device according to any one of the preceding claims, characterised in that a vacuum pump (11) is allocated to the gas outlet (10).
  5. Method for applying a purge gas or flushing gas into containers which are to be filled with comestibles, particularly beverage containers, wherein a socket (4), provided with a ring seal (3), which is guided such as to be raisable and lowerable in a cylinder (7), is lowered onto the upper edge of a container which is to be purged or flushed, and is positioned against this in a sealed manner, following which a purge gas tube (9) guided such as to be raisable and lowerable in the cylinder (7) is lowered into the container so far that the outlet opening of the purge gas tube (9) is located in the region of the container floor, leaving free a space for the outlet of the gas, following which the purge gas tube (9) and a gas outlet line (10) is opened for sufficiently long for the container to be completely filled with purge gas.
  6. Method according to claim 5, characterised in that, by means of a vacuum pump (11) synchronized with the purge gas tube (9), the purge gas/air mixture is aspirated out during the purge gas process.
EP07846516.8A 2006-10-31 2007-10-29 Application of purge gas to beverage containers Not-in-force EP2104575B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200731828A SI2104575T1 (en) 2006-10-31 2007-10-29 Application of purge gas to beverage containers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006051237.5A DE102006051237B4 (en) 2006-10-31 2006-10-31 Purging gas introduction in beverage cans
PCT/EP2007/009357 WO2008052724A1 (en) 2006-10-31 2007-10-29 Application of purge gas to beverage containers

Publications (2)

Publication Number Publication Date
EP2104575A1 EP2104575A1 (en) 2009-09-30
EP2104575B1 true EP2104575B1 (en) 2016-08-31

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EP07846516.8A Not-in-force EP2104575B1 (en) 2006-10-31 2007-10-29 Application of purge gas to beverage containers

Country Status (10)

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US (1) US9067698B2 (en)
EP (1) EP2104575B1 (en)
JP (1) JP5258775B2 (en)
CN (1) CN101541443B (en)
BR (1) BRPI0718093A2 (en)
DE (1) DE102006051237B4 (en)
MX (1) MX2009004228A (en)
RU (1) RU2392204C1 (en)
SI (1) SI2104575T1 (en)
WO (1) WO2008052724A1 (en)

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JP5169527B2 (en) * 2008-06-23 2013-03-27 日本ポリウレタン工業株式会社 Purge device
DE102011116469A1 (en) * 2011-10-20 2013-04-25 Khs Gmbh Method and filling machine for filling bottles or the like. Containers (2) with a liquid product
DE102013103639A1 (en) 2013-04-11 2014-10-16 Khs Gmbh Filling element, filling system and method for filling containers
DE102013107256A1 (en) * 2013-07-09 2015-01-15 Khs Gmbh Filling system and method for treating containers with a process gas
CN105129695A (en) * 2015-08-27 2015-12-09 合肥中辰轻工机械有限公司 Differential pressure-type sealing device
HUE049288T2 (en) * 2017-01-05 2020-09-28 Leibinger Gmbh Filling assembly and method for filling cylindrical containers
DE102019111929A1 (en) * 2019-05-08 2020-11-12 Khs Gmbh Filling machine and method for filling containers with a liquid filling material
TWI760162B (en) * 2021-03-29 2022-04-01 統一企業股份有限公司 Method for manufacturing canned food containing multiple particles and filling cup
DE102021002484A1 (en) * 2021-05-11 2022-11-17 Messer Se & Co. Kgaa Process and device for packaging products
DE102023131037A1 (en) * 2023-11-09 2025-05-15 Krones Aktiengesellschaft Process and system for treating cans

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Also Published As

Publication number Publication date
JP5258775B2 (en) 2013-08-07
WO2008052724A1 (en) 2008-05-08
RU2392204C1 (en) 2010-06-20
BRPI0718093A2 (en) 2013-11-05
MX2009004228A (en) 2009-05-26
DE102006051237A1 (en) 2008-05-08
US20090266439A1 (en) 2009-10-29
CN101541443A (en) 2009-09-23
EP2104575A1 (en) 2009-09-30
US9067698B2 (en) 2015-06-30
SI2104575T1 (en) 2016-10-28
JP2010508215A (en) 2010-03-18
DE102006051237B4 (en) 2015-09-10
CN101541443B (en) 2011-02-09

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