EP1977990A1 - Method and device for sterile bottling - Google Patents
Method and device for sterile bottling Download PDFInfo
- Publication number
- EP1977990A1 EP1977990A1 EP08004120A EP08004120A EP1977990A1 EP 1977990 A1 EP1977990 A1 EP 1977990A1 EP 08004120 A EP08004120 A EP 08004120A EP 08004120 A EP08004120 A EP 08004120A EP 1977990 A1 EP1977990 A1 EP 1977990A1
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- European Patent Office
- Prior art keywords
- container
- nitrogen
- hydrogen peroxide
- liquid nitrogen
- filling
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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
- B67C3/222—Head-space air removing devices, e.g. by inducing foam
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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
- B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations
- B67C7/0073—Sterilising, aseptic filling and closing
Definitions
- the invention relates to a method for the sterile filling of containers with a product, in which after the filling of the container with the product and before closing the container, liquid nitrogen is introduced into the container and the container is subsequently closed.
- the invention further relates to a device for sterile filling of containers with a product having at least one transport device for the container, at least one filling station, at least one metering device for liquid nitrogen and at least one closure station for closing the container.
- Known such devices have a rotating filling wheel, which supplies the containers to be filled to the individual processing stations.
- the known methods and devices can not yet meet all the requirements that are placed on a high sterility and at the same time easy handling of the bottling plant.
- the object of the present invention is therefore to improve a method of the type mentioned in the introduction in such a way that improved sterility conditions are achieved.
- a metering device for the liquid nitrogen is sterilized at least once with hydrogen peroxide and that the containers are transported along at least one linear transport path of a filling station into the region of the metering device.
- Another object of the present invention is to construct a device of the initially mentioned type such that the achievement of a high sterility is supported.
- the metering device is coupled to a sterilization unit which is connected to a supply for the supply of hydrogen peroxide and that the transport device is at least partially designed as a linear conveyor.
- the sterilization of the metering device for the liquid nitrogen with hydrogen peroxide makes it possible to carry out a dry sterilization while avoiding condensation.
- the use of hydrogen peroxide as a sterilizing agent makes it possible to dispense with a closure member in the region of the filling head.
- facilities for removing condensate and steam do not apply to hot steam sterilization.
- a preferred application can be seen in cold aseptic filling.
- the formation of the transport path at least regionally as a linear conveying path makes it possible to provide a sufficiently long period for the gasification of the nitrogen.
- the period from the addition of the liquid nitrogen to a pressure-tight closure of the container is usually significantly less than 0.5 seconds.
- the use of a linear transport path allows corresponding gasification times in the order of 12 seconds and thus supports an almost complete displacement of foreign gases from the container area above the contents by the nitrogen.
- a typical achievable sterility for spore organisms is log 5, preferably log 6.
- a sterility of log 12 is achieved.
- a typical embodiment is defined by positioning the linear transport path in the region of a linear filler.
- the nitrogen content in the headspace can be increased even further by carrying out a pressure-tight closure of the container at the earliest ten seconds after an addition of the liquid nitrogen.
- a high stability of the filled container is supported by the fact that the container is sealed pressure-tight after a predetermined gasification time for the liquid nitrogen.
- the sterilization with hydrogen peroxide is carried out as part of a maintenance process.
- the sterilization with hydrogen peroxide is carried out at predetermined time intervals.
- High sterility in product filling is aided by sterilization with hydrogen peroxide prior to production.
- a preferred variant of the method is that the liquid nitrogen performs a purging of the headspace of the filled container during its gasification.
- a defined flow from the headspace of the container out into an environment is assisted by the fact that a closure after the addition of the liquid nitrogen initially loosely placed on the container and is connected to a pressure-tight manner after a lapse of a predetermined gasification time with the container.
- the transport device has at least two relatively parallel conveying paths.
- a sterilizability of the filling machine is assisted by the fact that the metering device comprises at least one metering valve actuated by compressed gas.
- a time-defined performance of the sterilization processes is assisted by the fact that the sterilization unit has a sterilizing valve for the controlled addition of hydrogen peroxide.
- the metering valve be connected to the hydrogen peroxide supply via a connecting line and a shut-off valve.
- a targeted flow of hydrogen peroxide in the direction of the metering valve is achieved in that a supply of hydrogen peroxide is provided in the flow direction of the nitrogen behind the check valve.
- Another sterilization possibility is that a supply of hydrogen peroxide in the flow direction of the nitrogen is provided in an initial region of a distribution line.
- a simple structural design is provided by the fact that a connected to the metering valve nitrogen nozzle in the region of the metering valve facing away from the expansion is open.
- High sterility rates are achieved by placing a sterilizer for the nitrogen in a local vicinity of the filling device.
- An advantageous arrangement of the nitrogen supply is that the metering device is arranged in a transport direction of the container behind the filling station and in front of the sealing station.
- Fig. 1 shows the typical structure of a filling machine designed as a linear filler in a side view.
- the filling machine has a bottle feed (4) and is provided with a bottle sterilization (5).
- a filling station (6) is arranged, in the transport direction of the bottles behind the filling station (6) there is a closure station (7). From a bottle removal (8), the filled and sealed bottles are led away from the area of the filling machine.
- the filling machine is also provided with an exhaust (1), a valve node (2) and an operating unit (3).
- the operating unit (3) may include a touch screen and auxiliary controls.
- Fig. 2 shows schematically the implementation of a filling process in a transport direction (10) of the bottles (9) from right to left.
- a first filling module (11) and a second filling module (12) of the filling station (6) are arranged one behind the other.
- the bottles (9) are filled to about one to two thirds, in the region of the second filling module (12) the rest of the filling follows.
- a metering device (13) for liquid nitrogen is arranged.
- the metering device (13) is connected to a nitrogen supply (14).
- the Closure station (7) consists in the illustrated embodiment of a first closure module (15) and a second closure module (16). In the region of the first closure module (15) closures, not shown, are initially placed loosely on the bottle (9), only in the region of the second closure module (16) is a pressure-tight closure.
- a conveyor (17) for the bottles (9) is designed as a linear conveyor.
- the conveyor (17) may be formed, for example, as a conveyor chain, which is guided over deflecting wheels (18, 19).
- a plurality of conveyors (17) extend side by side. This allows the parallel arrangement of a plurality of handling elements in the region of the individual stations, so that a corresponding multiplication of the machine output can be achieved in accordance with the number of parallel conveying paths.
- sterilization can be carried out using hydrogen peroxide. Preference is given to mixing hydrogen peroxide with hot air.
- the sterilization can be done by several successively arranged sterilization elements. Following sterilization and prior to filling, the bottles (9) are typically dried, this can be done with hot air. Typically, several drying elements are arranged one behind the other in the transport direction (10).
- the hot air in each case has a temperature of at least 100 ° C, so that the sterility is ensured.
- transport of the bottles (9) through the filling machine is clocked.
- the bottles (9) are moved on in each case the same distance.
- the sterilization is thus carried out for a period of two cycles, with the use of four drying modules, the drying takes place within four cycles.
- the bottles (9) are assigned to the first filling module (11) and for a further cycle to the second filling module (12).
- a closure of the bottles (9) is preferably carried out using closures which engage with an internal thread in an external thread of an orifice region of the bottles (9).
- the second closure module (16) thus performs a rotational movement of the closures relative to the bottles (9).
- Fig. 3 shows a typical structure for the nitrogen supply (14).
- An interior (20) of a heat exchanger (21) is in this case filled with liquid nitrogen, which is taken from a nitrogen supply (22) and, after its exit from the heat exchanger (21), is supplied to an environment. By evaporation, the nitrogen is cooled down.
- a line (24) is laid through which sterile nitrogen is passed, which is fed to the heat exchanger (21) in gaseous form and removed again in liquid form.
- the gaseous sterile nitrogen is thus liquefied by a heat transfer through the line (24) and fed to a distribution line (25).
- a plurality of metering valves (26) are connected to the distributor line (25). connected, which together form the metering device (13).
- the metering valves (26) are controlled by compressed gas and for this purpose have a compressed gas connection (27).
- a sterilizing valve which is integrated into the nitrogen system in front of the heat exchanger (21), and various other valves, it is possible to specifically apply hydrogen peroxide to all nitrogen-carrying pipelines and the metering valve.
- the hydrogen peroxide then flows i.a. through the nitrogen nozzles (31) into the sterile room of the machine and is sucked off.
- Fig. 4 shows an enlarged cross-sectional view of the nitrogen nozzle (31).
- the nitrogen nozzle (31) protrudes through a wall (32) of the filling station (6). Only one of the nitrogen nozzle (31) partially enclosing cover sleeve (33) is arranged in the sterile area (34). All other components of the nitrogen supply (14) are outside the sterile area (34).
- An attachment of the nitrogen nozzle (31) is preferably carried out only with a nut or a cover sleeve (33) and without the use of an adapter.
- the device according to the invention can be used, for example, in the filling of non-carbonated products.
- tank stabilization is also achieved by the internal pressure provided by the nitrogen.
- the nitrogen nozzle (31) is designed as an extension of a nozzle carrier (35).
- the nozzle carrier (35) can be positioned using an outer flange (36) in the region of a nozzle (37) extending from the wall (32) extends in a direction away from the sterile area (34).
- the nozzle carrier (35) with the nitrogen nozzle (31) can thereby be placed in a simple manner on the neck (37) carried by the wall (32) and is located outside the sterile area (34).
- the essential part of the nozzle carrier (35) is arranged outside the sterile area (34) and only the nitrogen nozzle (31) itself protrudes inside the covering sleeve (33) into the sterile area (34).
- the nozzle carrier (35) has an external thread (38) onto which the covering sleeve (33) is screwed with an internal thread (39).
- the threads (38, 39) are designed as a fine thread.
- a sealing of the cover sleeve (33) relative to the wall (32) can take place via an O-ring (40), which is pressed by the cover sleeve (33) against the wall (32).
- a seal of the threads (38, 39) relative to the sterile area (34) can be carried out using an O-ring (41) which is clamped between the nozzle carrier (35) and the cover sleeve (33).
- An optimal sealing effect can be achieved by extending the threads (38, 39) starting from the wall (32) only over a partial region of the covering sleeve (33).
- the O-ring (41) is in this case in the region of the wall (32) facing away from the end of the threads (38, 39) positioned. Possible aseptic zone facing critical surfaces or threaded surfaces are thereby avoided.
- connection technology also helps to carry out an automatic foam cleaning using a foamed cleaning agent. Foam cleaning is typically done prior to disinfecting using the hydrogen peroxide.
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- Apparatus For Disinfection Or Sterilisation (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum sterilen Abfüllen von Behältern mit einem Produkt, bei dem im Anschluß an das Befüllen des Behälters mit dem Produkt und vor einem Verschließen des Behälters flüssiger Stickstoff in den Behälter eingebracht und der Behälter anschließend verschlossen wird.The invention relates to a method for the sterile filling of containers with a product, in which after the filling of the container with the product and before closing the container, liquid nitrogen is introduced into the container and the container is subsequently closed.
Die Erfindung betrifft darüber hinaus eine Vorrichtung zum sterilen Abfüllen von Behältern mit einem Produkt, die mindestens eine Transporteinrichtung für die Behälter, mindestens eine Füllstation, mindestens eine Dosiereinrichtung für flüssigen Stickstoff sowie mindestens eine Verschlußstation zum Verschließen der Behälter aufweist.The invention further relates to a device for sterile filling of containers with a product having at least one transport device for the container, at least one filling station, at least one metering device for liquid nitrogen and at least one closure station for closing the container.
Bekannte derartige Vorrichtungen weisen ein rotierendes Füllrad auf, das die zu befüllenden Behälter den einzelnen Bearbeitungsstationen zuführt. Der auf das abgefüllte Produkt gegebene Stickstoff vergast und verdrängt gegebenenfalls oberhalb des abgefüllten Produktes im Behälter enthaltene Luft und/oder Sauerstoff.Known such devices have a rotating filling wheel, which supplies the containers to be filled to the individual processing stations. The nitrogen added to the bottled product gasses and displaces if necessary air and / or oxygen contained above the bottled product in the container.
Für eine sterile Abfüllung des Produktes ist es erforderlich, daß nicht nur das Produkt selbst und die zu befüllenden Behälter eine ausreichende Sterilität aufweisen, vielmehr müssen auch der flüssige Stickstoff sowie die Transportleitungen und Schaltorgane für den flüssigen Stickstoff eine ausreichende Sterilität besitzen. Gemäß dem Stand der Technik ist es beispielsweise möglich, die gesamte Abfüllanlage vor einer Produktionsaufnahme mit Heißdampf zu sterilisieren, der durch alle verwendeten Verbindungsleitungen hindurchgeleitet wird.For a sterile filling of the product, it is necessary that not only the product itself and the container to be filled have sufficient sterility, but also the liquid nitrogen and the transport lines and switching devices for the liquid nitrogen must have sufficient sterility. According to the state of the art, it is possible, for example, to sterilize the entire filling installation with a superheated steam before production starts, which is passed through all the connecting lines used.
Die bekannten Verfahren und Vorrichtungen können noch nicht alle Anforderungen erfüllen, die an eine hohe Sterilität bei gleichzeitig einfacher Handhabung der Abfüllanlage gestellt werden.The known methods and devices can not yet meet all the requirements that are placed on a high sterility and at the same time easy handling of the bottling plant.
Aufgabe der vorliegenden Erfindung ist es daher, ein Verfahren der einleitend genannten Art derart zu verbessern, daß verbesserte Sterilitätsbedingungen erreicht werden.The object of the present invention is therefore to improve a method of the type mentioned in the introduction in such a way that improved sterility conditions are achieved.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß eine Dosiereinrichtung für den flüssigen Stickstoff mindestens einmal mit Wasserstoffperoxid sterilisiert wird und daß die Behälter entlang mindestens eines linearen Transportweges von einer Füllstation bis in den Bereich der Dosiereinrichtung transportiert werden.This object is achieved in that a metering device for the liquid nitrogen is sterilized at least once with hydrogen peroxide and that the containers are transported along at least one linear transport path of a filling station into the region of the metering device.
Weitere Aufgabe der vorliegenden Erfindung ist es, eine Vorrichtung der einleitend genannten Art derart zu konstruieren, daß die Erreichung einer hohen Sterilität unterstützt wird.Another object of the present invention is to construct a device of the initially mentioned type such that the achievement of a high sterility is supported.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Dosiereinrichtung mit einer Sterilisiereinheit gekoppelt ist, die mit einer Versorgung zur Bereitstellung von Wasserstoffperoxid verbunden ist und daß die Transporteinrichtung mindestens teilweise als ein Linearförderer ausgebildet ist.This object is achieved in that the metering device is coupled to a sterilization unit which is connected to a supply for the supply of hydrogen peroxide and that the transport device is at least partially designed as a linear conveyor.
Die Sterilisierung der Dosiereinrichtung für den flüssigen Stickstoff mit Wasserstoffperoxid ermöglicht die Durchführung einer Trockensterilisation unter Vermeidung von Kondensatbildung. Insbesondere ermöglicht es die Verwendung von Wasserstoffperoxid als Sterilisationsmittel, im Bereich des Füllkopfes auf ein Verschlußorgan zu verzichten. Konstruktiv entfallen gegenüber einer Heißdampfsterilisation Einrichtungen zur Abführung von Kondensat sowie von Dampf.The sterilization of the metering device for the liquid nitrogen with hydrogen peroxide makes it possible to carry out a dry sterilization while avoiding condensation. In particular, the use of hydrogen peroxide as a sterilizing agent makes it possible to dispense with a closure member in the region of the filling head. In terms of design, facilities for removing condensate and steam do not apply to hot steam sterilization.
Eine bevorzugte Anwendung ist bei der kaltaseptischen Abfüllung zu sehen. Die Ausbildung der Transportstrecke mindestens bereichsweise als ein linearer Förderweg ermöglicht es, einen ausreichend langen Zeitraum für die Vergasung des Stickstoffes zur Verfügung zu stellen. Bei Rundläufern beträgt der Zeitraum von einer zugabe des flüssigen Stickstoffes bis zu einem druckdichten Verschluß des Behälters in der Regel deutlich weniger als 0,5 Sekunden. Die Verwendung einer linearen Transportstrecke ermöglicht entsprechende Vergasungszeiten in einer Größenordnung von 12 Sekunden und unterstützt somit eine nahezu vollständige Verdrängung von Fremdgasen aus dem Behälterbereich oberhalb des Füllgutes durch den Stickstoff.A preferred application can be seen in cold aseptic filling. The formation of the transport path at least regionally as a linear conveying path makes it possible to provide a sufficiently long period for the gasification of the nitrogen. For rotors, the period from the addition of the liquid nitrogen to a pressure-tight closure of the container is usually significantly less than 0.5 seconds. The use of a linear transport path allows corresponding gasification times in the order of 12 seconds and thus supports an almost complete displacement of foreign gases from the container area above the contents by the nitrogen.
Eine typische erreichbare Sterilität hinsichtlich von Sporenorganismen beträgt log 5, bevorzugt log 6. Hinsichtlich von Clostridium-Botulinum wird vorzugsweise eine Sterilität von log 12 erreicht.A typical achievable sterility for spore organisms is log 5, preferably log 6. With regard to Clostridium botulinum, preferably a sterility of
Eine typische Ausführungsform wird dadurch definiert, daß der lineare Transportweg im Bereich eines Linearfüllers positioniert wird.A typical embodiment is defined by positioning the linear transport path in the region of a linear filler.
Zur Unterstützung einer Spülung eines Kopfraumes des Behälters erweist es sich als vorteilhaft, daß ein druckdichtes Verschließen des Behälters frühestens fünf Sekunden nach einer Zugabe des flüssigen Stickstoffes durchgeführt wird.To assist flushing of a head space of the container, it proves to be advantageous that a pressure-tight closure of the container is carried out at the earliest five seconds after addition of the liquid nitrogen.
Der Stickstoffanteil im Kopfraum kann nochmals weiter dadurch erhöht werden, daß ein druckdichtes Verschließen des Behälters frühestens zehn Sekunden nach einer Zugabe des flüssigen Stickstoffes durchgeführt wird.The nitrogen content in the headspace can be increased even further by carrying out a pressure-tight closure of the container at the earliest ten seconds after an addition of the liquid nitrogen.
Eine hohe Stabilität des befüllten Behälters wird dadurch unterstützt, daß der Behälter im Anschluß an eine vorgegebenen Vergasungsdauer für den flüssigen Stickstoff druckdicht verschlossen wird.A high stability of the filled container is supported by the fact that the container is sealed pressure-tight after a predetermined gasification time for the liquid nitrogen.
Gemäß einer Betriebsvariante der Abfüllmaschine ist vorgesehen, daß die Sterilisation mit Wasserstoffperoxid als Teil eines Wartungsablaufes durchgeführt wird.According to an operating variant of the filling machine is provided that the sterilization with hydrogen peroxide is carried out as part of a maintenance process.
Darüber hinaus ist auch daran gedacht, daß die Sterilisation mit Wasserstoffperoxid in vorgegebenen Zeitabständen durchgeführt wird.In addition, it is also contemplated that the sterilization with hydrogen peroxide is carried out at predetermined time intervals.
Eine hohe Sterilität bei der Produktabfüllung wird dadurch unterstützt, daß die Sterilisation mit Wasserstoffperoxid vor einer Produktionsaufnahme durchgeführt wird.High sterility in product filling is aided by sterilization with hydrogen peroxide prior to production.
Eine bevorzugte Verfahrensvariante besteht darin, daß der flüssige Stickstoff während seines Vergasens ein Spülen des Kopfraumes des befüllten Behälters durchführt.A preferred variant of the method is that the liquid nitrogen performs a purging of the headspace of the filled container during its gasification.
Eine definierte Strömung aus dem Kopfraum des Behälters heraus in eine Umgebung wird dadurch unterstützt, daß ein Verschluß nach der Zugabe des flüssigen Stickstoffes zunächst lose auf den Behälter aufgesetzt und erst nach einem Ablauf einer vorgegebenen Vergasungszeit druckdicht mit dem Behälter verbunden wird.A defined flow from the headspace of the container out into an environment is assisted by the fact that a closure after the addition of the liquid nitrogen initially loosely placed on the container and is connected to a pressure-tight manner after a lapse of a predetermined gasification time with the container.
Hohe Produktionsraten werden dadurch unterstützt, daß die Transporteinrichtung mindestens zwei relativ zueinander parallele Förderwege aufweist.High production rates are supported by the fact that the transport device has at least two relatively parallel conveying paths.
Eine Sterilisierbarkeit der Füllmaschine wird dadurch unterstützt, daß die Dosiereinrichtung mindestens ein mit Druckgas betätigtes Dosierventil umfaßt.A sterilizability of the filling machine is assisted by the fact that the metering device comprises at least one metering valve actuated by compressed gas.
Eine zeitlich definierte Durchführung der Sterilisiervorgänge wird dadurch unterstützt, daß die Sterilisiereinheit ein Sterilisierventil zur gesteuerten Zugabe von Wasserstoffperoxid aufweist.A time-defined performance of the sterilization processes is assisted by the fact that the sterilization unit has a sterilizing valve for the controlled addition of hydrogen peroxide.
Zur Ermöglichung einer Sterilisierung des Dosierventils wird vorgeschlagen, daß das Dosierventil über eine Verbindungsleitung und ein Absperrventil mit der Wasserstoffperoxidversorgung verbunden ist.To enable sterilization of the metering valve, it is proposed that the metering valve be connected to the hydrogen peroxide supply via a connecting line and a shut-off valve.
Eine gezielte Strömung des Wasserstoffperoxids in Richtung auf das Dosierventil wird dadurch erreicht, daß eine Zuleitung des Wasserstoffperoxids in Strömungsrichtung des Stickstoffes hinter dem Sperrventil vorgesehen ist.A targeted flow of hydrogen peroxide in the direction of the metering valve is achieved in that a supply of hydrogen peroxide is provided in the flow direction of the nitrogen behind the check valve.
Durch weitere Ventile ist es möglich, alle stickstoffführenden Rohrleitungen und das Dosierventil in Strömungsrichtung des Stickstoffes gezielt zu sterilisieren.By means of further valves, it is possible to specifically sterilize all nitrogen-carrying pipelines and the metering valve in the flow direction of the nitrogen.
Eine weitere Sterilisiermöglichkeit besteht darin, daß eine Zuführung für Wasserstoffperoxid in Strömungsrichtung des Stickstoffes in einem Anfangsbereich einer Verteilerleitung vorgesehen ist.Another sterilization possibility is that a supply of hydrogen peroxide in the flow direction of the nitrogen is provided in an initial region of a distribution line.
Eine einfache konstruktive Gestaltung wird dadurch bereitgestellt, daß eine an das Dosierventil angeschlossene Stickstoffdüse im Bereich ihrer dem Dosierventil abgewandten Ausdehnung offen ausgebildet ist.A simple structural design is provided by the fact that a connected to the metering valve nitrogen nozzle in the region of the metering valve facing away from the expansion is open.
Hohe Sterilitätsraten werden dadurch erreicht, daß eine Sterilisiereinrichtung für den Stickstoff in einer örtlichen Nähe der Abfülleinrichtung angeordnet ist.High sterility rates are achieved by placing a sterilizer for the nitrogen in a local vicinity of the filling device.
Zur Bereitstellung von flüssigem und sterilen Stickstoff erweist es sich als vorteilhaft, daß zur Verflüssigung des sterilen Stickstoffes ein Wärmetauscher verwendet ist.To provide liquid and sterile nitrogen, it proves to be advantageous that a heat exchanger is used to liquefy the sterile nitrogen.
Eine vorteilhafte Anordnung der Stickstoffzufuhr besteht darin, daß die Dosiereinrichtung in einer Transportrichtung der Behälter hinter der Füllstation und vor der Verschlußstation angeordnet ist.An advantageous arrangement of the nitrogen supply is that the metering device is arranged in a transport direction of the container behind the filling station and in front of the sealing station.
In den Zeichnungen sind Ausführungsbeispiele der Erfindung schematisch dargestellt. Es zeigen:
- Fig. 1
- Eine schematische Seitenansicht einer Füllmaschine,
- Fig. 2
- ein stark vereinfachtes Diagramm zur Veranschaulichung der Behälterbefüllung sowie der Zugabe des flüssigen Stickstoffes,
- Fig. 3
- eine schematische Darstellung der zur Zuführung des flüssigen Stickstoffes verwendeten Komponenten und
- Fig. 4
- einen Querschnitt durch eine vergrößerte Darstellung einer verwendeten Stickstoffdüse.
- Fig. 1
- A schematic side view of a filling machine,
- Fig. 2
- a highly simplified diagram illustrating the container filling and the addition of the liquid nitrogen,
- Fig. 3
- a schematic representation of the supply of the liquid nitrogen used components and
- Fig. 4
- a cross-section through an enlarged view of a nitrogen nozzle used.
Die Abfüllmaschine ist darüber hinaus mit einer Absaugung (1), einem Ventilknoten (2) sowie einer Bedieneinheit (3) versehen. Die Bedieneinheit (3) kann einen Touchscreen sowie Zusatzbedienelemente umfassen.The filling machine is also provided with an exhaust (1), a valve node (2) and an operating unit (3). The operating unit (3) may include a touch screen and auxiliary controls.
Eine Fördereinrichtung (17) für die Flaschen (9) ist als ein Linearförderer ausgebildet. Die Fördereinrichtung (17) kann beispielsweise als eine Förderkette ausgebildet sein, die über Umlenkräder (18, 19) geführt ist.A conveyor (17) for the bottles (9) is designed as a linear conveyor. The conveyor (17) may be formed, for example, as a conveyor chain, which is guided over deflecting wheels (18, 19).
Gemäß einer bevorzugten Ausführungsform erstrecken sich eine Mehrzahl von Fördereinrichtungen (17) nebeneinander. Dies ermöglicht die parallele Anordnung einer Mehrzahl von Handhabungselementen im Bereich der einzelnen Stationen, so daß sich entsprechend der Anzahl der parallelen Förderstrecken eine entsprechende Vervielfachung der Maschinenleistung erreichen läßt.According to a preferred embodiment, a plurality of conveyors (17) extend side by side. This allows the parallel arrangement of a plurality of handling elements in the region of the individual stations, so that a corresponding multiplication of the machine output can be achieved in accordance with the number of parallel conveying paths.
Im Bereich der Flaschensterilisation (5) kann eine Sterilisation unter Verwendung von Wasserstoffperoxid erfolgen. Bevorzugt erfolgt ein Vermischen von Wasserstoffperoxid mit heißer Luft. Die Sterilisation kann durch mehrere hintereinander angeordnete Sterilisationselemente erfolgen. Im Anschluß an die Sterilisation und vor der Befüllung erfolgt typischerweise eine Trocknung der Flaschen (9), dies kann mit heißer Luft durchgeführt werden. Typischerweise sind auch hier in Transportrichtung (10) mehrere Trocknungselemente hintereinander angeordnet. Die heiße Luft weist jeweils eine Temperatur von mindestens 100°C auf, so daß die Sterilität gewährleistet ist.In the field of bottle sterilization (5) sterilization can be carried out using hydrogen peroxide. Preference is given to mixing hydrogen peroxide with hot air. The sterilization can be done by several successively arranged sterilization elements. Following sterilization and prior to filling, the bottles (9) are typically dried, this can be done with hot air. Typically, several drying elements are arranged one behind the other in the transport direction (10). The hot air in each case has a temperature of at least 100 ° C, so that the sterility is ensured.
Gemäß einem üblichen Verfahrensablauf erfolgt ein Transport der Flaschen (9) durch die Abfüllmaschine hindurch getaktet. Bei jedem Takt werden die Flaschen (9) eine jeweils gleiche Strecke weiterbewegt. Bei einer Verwendung von zwei Sterilisationsmodulen erfolgt somit die Sterilisation während der Dauer von zwei Takten, bei einer Verwendung von vier Trocknungsmodulen die Trocknung innerhalb von vier Takten. Jeweils für einen Takt sind die Flaschen (9) dem ersten Füllmodul (11) und für einen weiteren Takt dem zweiten Füllmodul (12) zugeordnet.In accordance with a customary procedure, transport of the bottles (9) through the filling machine is clocked. At each cycle, the bottles (9) are moved on in each case the same distance. When two sterilization modules are used, the sterilization is thus carried out for a period of two cycles, with the use of four drying modules, the drying takes place within four cycles. For each cycle, the bottles (9) are assigned to the first filling module (11) and for a further cycle to the second filling module (12).
Ein Verschließen der Flaschen (9) erfolgt vorzugsweise unter Verwendung von Verschlüssen, die mit einem Innengewinde in ein Außengewinde eines Mündungsbereiches der Flaschen (9) eingreifen. Das zweite Verschlußmodul (16) führt somit eine Drehbewegung der Verschlüsse relativ zu den Flaschen (9) durch.A closure of the bottles (9) is preferably carried out using closures which engage with an internal thread in an external thread of an orifice region of the bottles (9). The second closure module (16) thus performs a rotational movement of the closures relative to the bottles (9).
Innerhalb des Wärmetauschers (21) ist eine Leitung (24) verlegt, durch die hindurch steriler Stickstoff geleitet wird, der dem Wärmetauscher (21) gasförmig zugeführt und in flüssiger Form wieder entnommen wird. Der gasförmige sterile Stickstoff wird somit durch einen wärmeübergang durch die Leitung (24) hindurch verflüssigt und einer Verteilerleitung (25) zugeführt. Entsprechend der Anzahl der parallelen Förderwege für die Flaschen (9) sind an die verteilerleitung (25) eine Mehrzahl von Dosierventilen (26) angeschlossen, die gemeinsam die Dosiereinrichtung (13) ausbilden. Vorzugsweise sind die Dosierventile (26) druckgasgesteuert und weisen hierzu einen Druckgasanschluß (27) auf.Within the heat exchanger (21), a line (24) is laid through which sterile nitrogen is passed, which is fed to the heat exchanger (21) in gaseous form and removed again in liquid form. The gaseous sterile nitrogen is thus liquefied by a heat transfer through the line (24) and fed to a distribution line (25). According to the number of parallel conveying paths for the bottles (9), a plurality of metering valves (26) are connected to the distributor line (25). connected, which together form the metering device (13). Preferably, the metering valves (26) are controlled by compressed gas and for this purpose have a compressed gas connection (27).
Über ein Sterilisierventil, welches vor dem Wärmetauscher (21) in das Stickstoffsystem eingebunden ist, und diverse weitere Ventile ist es möglich, alle stickstoffführenden Rohrleitungen und das Dosierventil gezielt mit Wasserstoffperoxid zu beaufschlagen. Das Wasserstoffperoxid strömt dann u.a. durch die Stickstoffdüsen (31) in den Sterilraum der Maschine und wird abgesaugt.Via a sterilizing valve, which is integrated into the nitrogen system in front of the heat exchanger (21), and various other valves, it is possible to specifically apply hydrogen peroxide to all nitrogen-carrying pipelines and the metering valve. The hydrogen peroxide then flows i.a. through the nitrogen nozzles (31) into the sterile room of the machine and is sucked off.
Eine Befestigung der Stickstoffdüse (31) erfolgt vorzugsweise lediglich mit einer Mutter bzw. einer Abdeckhülse (33) und ohne Verwendung eines Adapters.An attachment of the nitrogen nozzle (31) is preferably carried out only with a nut or a cover sleeve (33) and without the use of an adapter.
Die erfindungsgemäße Vorrichtung kann beispielsweise bei der Abfüllung von nicht karbonisierten Produkten verwendet werden. Zusätzlich zur Sauerstoffverdrängung im Kopfraum wird durch den vom Stickstoff bereitgestellten Innendruck auch eine Behälterstabilisierung erreicht.The device according to the invention can be used, for example, in the filling of non-carbonated products. In addition to oxygen displacement in the headspace, tank stabilization is also achieved by the internal pressure provided by the nitrogen.
Die Stickstoffdüse (31) ist als Verlängerung eines Düsenträgers (35) ausgebildet. Der Düsenträger (35) kann unter Verwendung eines Außenflansches (36) im Bereich eines Stutzens (37) positioniert werden, der sich ausgehend von der Wand (32) in eine dem Sterilbereich (34) abgewandte Richtung erstreckt. Der Düsenträger (35) mit der Stickstoffdüse (31) kann hierdurch in einfacher Weise auf den von der Wand (32) getragenen Stutzen (37) aufgesetzt werden und befindet sich außerhalb des Sterilbereiches (34).The nitrogen nozzle (31) is designed as an extension of a nozzle carrier (35). The nozzle carrier (35) can be positioned using an outer flange (36) in the region of a nozzle (37) extending from the wall (32) extends in a direction away from the sterile area (34). The nozzle carrier (35) with the nitrogen nozzle (31) can thereby be placed in a simple manner on the neck (37) carried by the wall (32) and is located outside the sterile area (34).
Der wesentliche Teil des Düsenträgers (35) ist außerhalb des Sterilbereiches (34) angeordnet und nur die Stickstoffdüse (31) selbst ragt innerhalb der Abdeckhülse (33) in den Sterilbereich (34) hinein. Im Bereich seines in den Sterilbereich (34) hineinragenden Endes weist der Düsenträger (35) ein Außengewinde (38) auf, auf das die Abdeckhülse (33) mit einem Innengewinde (39) aufgeschraubt ist. Vorzugsweise werden die Gewinde (38, 39) als Feingewinde ausgeführt. Eine Abdichtung der Abdeckhülse (33) relativ zur Wand (32) kann über einen O-Ring (40) erfolgen, der von der Abdeckhülse (33) gegen die Wand (32) gedrückt wird. Eine Abdichtung der Gewinde (38, 39) gegenüber dem Sterilbereich (34) kann unter Verwendung eines O-Ringes (41) erfolgen, der zwischen dem Düsenträger (35) und der Abdeckhülse (33) eingespannt ist.The essential part of the nozzle carrier (35) is arranged outside the sterile area (34) and only the nitrogen nozzle (31) itself protrudes inside the covering sleeve (33) into the sterile area (34). In the region of its end protruding into the sterile area (34), the nozzle carrier (35) has an external thread (38) onto which the covering sleeve (33) is screwed with an internal thread (39). Preferably, the threads (38, 39) are designed as a fine thread. A sealing of the cover sleeve (33) relative to the wall (32) can take place via an O-ring (40), which is pressed by the cover sleeve (33) against the wall (32). A seal of the threads (38, 39) relative to the sterile area (34) can be carried out using an O-ring (41) which is clamped between the nozzle carrier (35) and the cover sleeve (33).
Eine optimale Abdichtwirkung kann dadurch erreicht werden, daß sich die Gewinde (38, 39) ausgehend von der Wand (32) nur über einen Teilbereich der Abdeckhülse (33) erstrecken. Der O-Ring (41) ist hierbei im Bereich des der wand (32) abgewandten Endes der Gewinde (38, 39) positioniert. Mögliche der Aseptikzone zugewandte kritische Oberflächen oder Gewindeoberflächen werden hierdurch sicher vermieden.An optimal sealing effect can be achieved by extending the threads (38, 39) starting from the wall (32) only over a partial region of the covering sleeve (33). The O-ring (41) is in this case in the region of the wall (32) facing away from the end of the threads (38, 39) positioned. Possible aseptic zone facing critical surfaces or threaded surfaces are thereby avoided.
Durch das Aufschrauben der Abdeckhülse (33) auf den Düsenträger (45) und die Anordnung des O-Ringes (40) zwischen der Abdeckhülse (33) und der Wand (32) erfolgt ein Verklemmen der Stickstoffeinheit relativ zur Wand (32), so daß aufgrund der elastischen Eigenschaften des O-Ringes (40) eine Nachgiebigkeit der bereitgestellten Verbindungen realisiert ist. Diese Klemmverbindung ermöglicht es, temperaturbedingte Spannungen zwischen dem Aseptikgehäuse und der Stickstoffeinheit zu vermeiden. Auch bei einem Auftreten von temperaturbedingten Materialdehnungen oder Materialkontraktionen können Spalten, die in den Sterilbereich (34) einmünden könnten, vermieden werden. Insbesondere die Anordnung einer Mehrzahl von Stickstoffdüsen (31) nebeneinander, die jeweils parallelen Transportbahnen zugeordnet sind, wird hierdurch unterstützt.By screwing the cover sleeve (33) on the nozzle carrier (45) and the arrangement of the O-ring (40) between the cover (33) and the wall (32) takes place a jamming of the nitrogen unit relative to the wall (32), so that due to the elastic properties of the O-ring (40) a compliance of the provided connections is realized. This clamp connection makes it possible to avoid temperature-induced stresses between the aseptic housing and the nitrogen unit. Even when temperature-induced material expansions or material contractions occur, gaps which could open into the sterile area (34) can be avoided. In particular, the arrangement of a plurality of nitrogen nozzles (31) side by side, each associated with parallel transport paths, is thereby supported.
Die erläuterte Verbindungstechnik unterstützt es darüber hinaus, eine automatische Schaumreinigung unter verwendung eines aufgeschäumten Reinigungsmittels durchzuführen. Die Schaumreinigung wird typischerweise vor der Desinfektion unter Verwendung des Wasserstoffperoxids durchgeführt.The illustrated connection technology also helps to carry out an automatic foam cleaning using a foamed cleaning agent. Foam cleaning is typically done prior to disinfecting using the hydrogen peroxide.
Claims (28)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102007016159.1A DE102007016159B4 (en) | 2007-04-02 | 2007-04-02 | Method and device for sterile filling |
Publications (1)
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EP1977990A1 true EP1977990A1 (en) | 2008-10-08 |
Family
ID=39577641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP08004120A Ceased EP1977990A1 (en) | 2007-04-02 | 2008-03-06 | Method and device for sterile bottling |
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US (1) | US20080256902A1 (en) |
EP (1) | EP1977990A1 (en) |
DE (1) | DE102007016159B4 (en) |
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WO2013004323A1 (en) * | 2011-07-05 | 2013-01-10 | Khs Gmbh | Method and linear device for filling containers with a filling material |
EP2850029B1 (en) | 2012-05-16 | 2018-02-28 | Krones AG | Installation for producing containers, with container base cooling |
CN110901994A (en) * | 2019-12-02 | 2020-03-24 | 武汉宝盈普济科技有限公司 | Production method of bottled hydrogen-rich beverage |
CN111573597A (en) * | 2020-04-24 | 2020-08-25 | 武汉宝盈普济科技有限公司 | Filling device and method for bottled hydrogen-rich beverage |
DE102019130364A1 (en) * | 2019-11-11 | 2021-05-12 | Khs Gmbh | Linear filling machine for filling containers with filling material |
CN113373044A (en) * | 2021-06-11 | 2021-09-10 | 中国人民大学附属中学分校 | Microbial cell reactor |
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FR2964950B1 (en) * | 2010-09-20 | 2012-08-31 | Bonduelle Sa Ets | PROCESS FOR PACKAGING A LIQUID PRODUCT |
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Also Published As
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DE102007016159A1 (en) | 2008-10-16 |
US20080256902A1 (en) | 2008-10-23 |
DE102007016159B4 (en) | 2018-11-22 |
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