EP3678984B1 - Verfahren sowie füllorgan zum befüllen eines behälters - Google Patents

Verfahren sowie füllorgan zum befüllen eines behälters Download PDF

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Publication number
EP3678984B1
EP3678984B1 EP18768852.8A EP18768852A EP3678984B1 EP 3678984 B1 EP3678984 B1 EP 3678984B1 EP 18768852 A EP18768852 A EP 18768852A EP 3678984 B1 EP3678984 B1 EP 3678984B1
Authority
EP
European Patent Office
Prior art keywords
container
flushing gas
pulse
pulses
filling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18768852.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3678984A1 (de
Inventor
Christian Appel
Hubert Auer
Christian KUERZINGER
Stefan Poeschl
Josef Knott
Christian Stoiber
Matthias Wahl
Heinrich Bielmeier
Florian HABERSETZER
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.)
Krones AG
Original Assignee
Krones AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krones AG filed Critical Krones AG
Priority to SI201830872T priority Critical patent/SI3678984T1/sl
Publication of EP3678984A1 publication Critical patent/EP3678984A1/de
Application granted granted Critical
Publication of EP3678984B1 publication Critical patent/EP3678984B1/de
Active legal-status Critical Current
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Classifications

    • 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
    • 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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2614—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling

Definitions

  • the present invention relates to a method and a filling element for filling a container with a filling product, for example for filling a beverage container or a bottle with a beverage in a beverage bottling plant.
  • a filling product outlet is provided on the filling element, by means of which the filling product is introduced into the container to be filled.
  • a flushing gas for example CO 2
  • a vacuum channel for sucking off the gas from the container and a flushing gas channel for introducing the flushing gas into the container are usually provided in the filling element. Both the flushing gas channel and the vacuum channel communicate with the interior of the container, while the filling element is pressed onto the mouth of the container to be filled. Accordingly, there is no gas exchange between the container interior and the environment, but only a defined gas exchange via the flushing gas channel and the vacuum channel.
  • the DE 10 2013 102 611 A1 describes a method for flushing containers according to the preamble of claim 1, in which the flushing gas can be supplied in several partial steps, and a corresponding filling element according to the preamble of claim 8.
  • a method for filling a container with a filling product comprising sealingly connecting a filling element to the interior of the container to be filled, subjecting the container interior to a negative pressure and subjecting the container interior to a flushing gas.
  • the flushing gas is introduced into the interior of the container in pulses, while the interior of the container is continuously subjected to a negative pressure.
  • the flushing gas is introduced into the interior of the container in pulses while the interior of the container is subjected to a negative pressure, it is achieved that due to the pulses of the flushing gas, which is introduced into the interior of the container, an efficient reduction of the atmospheric oxygen present in the container is reached.
  • pulses of the flushing gas By using pulses of the flushing gas, a large area of the container to be filled is penetrated and the flushing gas consumption can be reduced at the same time.
  • the container is also subjected to a pulsating pressure fluctuation caused by the pulses, which can also support the efficient discharge of the residual gas from the interior of the container.
  • the continuous application of the negative pressure to the interior of the container while the pulses of the flushing gas are being introduced also prevents delays in the build-up of the negative pressure due to inertia or switching times.
  • the flushing gas is particularly preferably introduced into the interior of the container in two to eight, particularly preferably two to five, pulses. Correspondingly, each time a further pulse is introduced, the flushing gas is introduced deep into the container and, during suction, the remaining residual oxygen or the residual gas remaining inside the container is entrained accordingly.
  • the application of the pulses of the flushing gas into the container also counteracts the formation of a short circuit between the introduction of the flushing gas into the interior of the container and the direct withdrawal of the flushing gas, since the pulses carry a correspondingly directed impulse.
  • this also counteracts the formation of a laminar flow within the container, so that the turbulent flows created within the container by means of the pulses can cause the flushing gas to penetrate deeper into the container.
  • the interior of the container is preferably at an absolute pressure of 0.05 bar to 0.5 bar, preferably at an absolute pressure of 0.1 bar to 0.3 bar, and the absolute pressure in the interior of the container particularly preferably pulsates in one Area of the absolute pressure from 0.05 bar to 0.5 bar, preferably in a range of the absolute pressure from 0.1 bar to 0.3 bar.
  • Each pulse preferably lasts for a predetermined time and/or a predetermined flushing gas volume is introduced into the interior of the container in each pulse and/or a predetermined flushing gas volume is divided over the predetermined number of pulses.
  • the flushing gas consumption can be controlled while at the same time efficiently reducing the concentration of the residual gas in the interior of the container.
  • Each pulse preferably has a duration of 50 ms to 1000 ms, with each pulse preferably having an individual duration or the first pulse having a different duration than the subsequent pulses or each pulse having the same duration and/or a flushing gas volume with each pulse of 50ml to 500ml is introduced into the container interior and/or a predetermined flushing gas volume of 60ml to 4000ml is divided over the predetermined number of pulses and/or there are pauses between the pulses of 20ms to 1000ms and all pauses have the same duration or the pause after the first pulse is longer than the subsequent pauses or each pause has a different duration.
  • the interior of the container is simultaneously subjected to the negative pressure and the first pulse of the flushing gas.
  • the first impulse of the flushing gas can thus be introduced at the same time as the opening of the vacuum channel and in this way a first impulse for displacing the residual gas contained in the container can already be applied.
  • negative pressure is preferably applied to the container interior after the last pulse of the flushing gas has been introduced.
  • a predetermined negative pressure is reached and/or after a predetermined period of time has elapsed and/or when a predetermined oxygen concentration is reached in the interior of the container.
  • the application of negative pressure to the interior of the container is then terminated.
  • the interior of the container, which is then under negative pressure, is then filled with a filling product which is under overpressure.
  • the application of the negative pressure to the interior of the container is ended and the interior of the container is then prestressed to a predetermined overpressure with a tensioning gas.
  • the product to be filled is then introduced into the interior of the container, which is prestressed with the pressurized gas.
  • a filling element for filling a container with a filling product comprising a mouth seal for sealingly connecting the filling element to the mouth of the container to be filled, a filling product outlet for introducing a filling product into the container sealed with the filling element, a vacuum channel for pressurizing the with the Filling element sealingly connected container with a negative pressure and a flushing gas channel for introducing a flushing gas in the sealingly connected to the filling container container.
  • a controller is provided which is set up to open the scavenging gas channel in a pulsating manner, while the vacuum channel is continuously open.
  • a control device is set up to open the flushing gas channel in a pulsating manner while the vacuum channel is continuously open, the above-described advantages of achieving a comprehensive and deep reduction in the oxygen content in the container to be filled are achieved.
  • the introduction of the flushing gas pulses into the container to be filled achieves an efficient and rapid reduction in the oxygen content within the container to be filled, so that the subsequent filling steps can be filled in a correspondingly gentle manner.
  • the controller is preferably set up to introduce the flushing gas into the container in two to eight pulses.
  • the controller is set up to open the vacuum channel at the same time as the flushing gas channel for introducing the first pulse of the flushing gas.
  • the controller is set up in such a way that each pulse lasts a predetermined time and/or a predetermined flushing gas volume is introduced into the container in each pulse and/or a predetermined flushing gas volume is divided over the predetermined number of pulses becomes.
  • the flushing gas channel is preferably arranged in such a way that it opens into the container in the edge region of a mouth of a container to be filled.
  • the suction of the gas mixture from the container then takes place in the diametrically opposite edge region of the mouth of the container with respect to the axis of symmetry of the container.
  • the vacuum valve is preferably closed and the container is prestressed with a prestressing gas to a predetermined prestressing gas pressure.
  • the clamping gas pressure can also be used to introduce the pulses of the flushing gas into the container to be filled while the vacuum channel is still open.
  • the flushing gas is introduced into the container under the highest possible pressure, namely the clamping gas pressure available in the system.
  • the filling product is preferably introduced into the container to be filled.
  • the vacuum channel is still kept in communication with the container in order in this way to achieve a predetermined negative pressure in the container to be filled. Then the vacuum channel is closed. Particularly preferably, the filling product which is under an overpressure relative thereto is then introduced into the container which is under negative pressure.
  • FIG. 1 shows a schematic representation of a filling element 1 which is provided for filling a container 100 to be filled which is indicated schematically.
  • the container 100 to be filled has a mouth 110 onto which the filling element 1 is placed in order to carry out the filling process accordingly.
  • the filling element 1 In order to come into sealing contact with the container interior 120 of the container 100 to be filled, the filling element 1 has a mouth seal 2 which is pressed onto the mouth 110 of the container 100 to be filled to form a seal. Correspondingly, the filling element 1 communicates with the container interior 120 of the container 100 to be filled, without the environment being able to come into contact with the container interior 120 of the container to be filled. In other words, the filling element 1 is placed sealingly on the container mouth 110 of the container 100 to be filled, so that an uncontrolled gas exchange between the container interior 120 and the environment cannot take place.
  • the filling element 1 has a filling product outlet 3 through which the filling product can be introduced into the container interior 120 of the container 100 to be filled.
  • a filling product inlet 30 with a corresponding filling valve 32 is provided, by means of which the flow of the filling product flowing through the filling product outlet 3 into the container interior 120 can be controlled or regulated in order to inject a predetermined filling product volume or a predetermined filling product weight into the container interior 120 in a manner known per se or to introduce a predetermined filling level of filling product.
  • the container interior 120 is flushed with a flushing gas according to the proposed method in order to control the atmosphere in the container interior 120 in this way.
  • a flushing gas according to the proposed method in order to control the atmosphere in the container interior 120 in this way.
  • an attempt is made here to reduce the concentration of oxygen in the interior space 120 of the container in order to thereby reduce the loading of an oxygen-sensitive filling product with oxygen.
  • the container 100 to be filled Before the actual filling, the container 100 to be filled is usually supplied from the environment, so that in the container interior 120 of the container 100 to be filled Ambient atmosphere, such as ambient air, is present.
  • Ambient atmosphere such as ambient air
  • the container interior 120 is flushed with a flushing gas, for example with CO 2 , before the filling product is introduced.
  • a scavenging gas channel 4 is provided for this purpose, via which scavenging gas can be introduced into the container interior 120 .
  • the flushing gas channel 4 is arranged in the filling element 1 in such a way that it enters the container 100 to be filled in an edge region of the mouth 110 of the container 100 .
  • This arrangement of the scavenging gas channel 4 in the edge region of the opening 110 allows the scavenging gas to flow in along a wall of the container 100 , so that the scavenging gas can penetrate deeply into the container interior 120 .
  • a vacuum channel 5 is provided, which is controlled or regulated via a vacuum valve 50 .
  • the vacuum channel 5 acts on the container interior 120 via the filling product outlet 3 .
  • the vacuum valve 50 is opened after a sealing connection has been established between the filling element 1 and the container mouth 110 of the container 100 to be filled, so that the vacuum channel 5 is in communication with the container interior 120 .
  • the gas in the container interior 120 for example ambient air, is drawn off via the vacuum channel 5 .
  • This suction of the gas present in the container interior 120 of the container 100 to be filled into the vacuum channel 5 takes place either until the container interior 120 has adapted to the negative pressure present in the vacuum channel 5, or until a corresponding switching process causes the negative pressure to build up in the container 100 finished - for example, after a predetermined period of time or after suction of a predetermined volume.
  • the flushing gas channel 4 is opened so that flushing gas can flow through the flushing gas channel 4 into the container interior 120 .
  • the scavenging gas channel 4 is opened at the same time as the vacuum channel 5 , so that the scavenging gas from the scavenging gas channel 4 immediately ensures that the residual gas in the container interior 120 is displaced into the vacuum channel 5 .
  • the vacuum channel 5 is first opened and the flushing gas channel 4 is opened either after a specified negative pressure has been reached in the container interior 120 or after a specified period of time has elapsed or after a specified volume has been withdrawn from the container interior 120 of the container 100 to be filled.
  • the scavenging gas channel 4 is opened in a pulsating manner, so that the scavenging gas is introduced in pulses into the container interior 120 , which is simultaneously subjected to the negative pressure through the vacuum channel 5 .
  • the flushing gas is introduced with a pulse, such that in this way a particularly efficient entrainment of the residual gas from the container interior 120 can be achieved and in particular a particularly deep penetration of the flushing gas pulses into the container interior 120 can be reached.
  • This enables a large part of the oxygen-containing residual gas to be displaced or sucked out of the container 100 in an efficient manner.
  • the continuous opening of the scavenging gas channel 4 can accordingly be dispensed with and the consumption of scavenging gas can thus be reduced.
  • the container interior 120 is at an absolute pressure of 0.05 bar to 0.5 bar, preferably at an absolute pressure of 0.1 bar to 0.3 bar, and the absolute pressure in the container interior 120 particularly preferably pulsates an absolute pressure range of 0.05 bar to 0.5 bar, preferably in an absolute pressure range of 0.1 bar to 0.3 bar.
  • the pulsating introduction of the flushing gas pulses also causes the pressure in the container interior 120 to pulsate.
  • the flushing gas channel 4 and the vacuum channel 5 are controlled via a correspondingly set up controller 6 .
  • the controller 6 can be, for example, the general system controller of a filling product bottling system, or it can be designed as a separate controller 6 that is provided for an individual filling valve 1 or a group of filling valves 1 .
  • the scavenging gas channel 4 is controlled by the controller 6 in such a way that the vacuum channel 5 is opened at the same time as the scavenging gas channel 4 for introducing the first pulse of the scavenging gas.
  • the residual gas is thus displaced from the container 100 right from the start.
  • the controller 6 is also preferably set up in such a way that each pulse lasts a predetermined time and/or a predetermined flushing gas volume is introduced into the container 100 in each pulse and/or a predetermined flushing gas volume is divided over the predetermined number of pulses. In this way, efficient introduction of the flushing gas can be achieved on the one hand and flushing gas consumption can be reduced on the other hand.
  • the controller 6 is preferably set up in such a way that each pulse has a duration of 50 ms to 1000 ms, with each pulse preferably having an individual duration or the first pulse having a different duration than the subsequent pulses or each pulse having the same duration and /or a flushing gas volume of 50ml to 500ml is introduced into the container interior 120 with each pulse and/or a predetermined flushing gas volume of 60ml to 4000ml is divided over the predetermined number of pulses and/or there are pauses between the pulses of 20ms to 1000ms and all pauses have the same duration, or the pause after the first pulse is longer than subsequent pauses, or each pause has a different duration.
  • the scavenging gas channel 4 is controlled by the controller 6 in such a way that scavenging gas pulses of approximately 50 milliseconds are interrupted by scavenging gas-free periods of approximately 100 milliseconds. In this way, two to eight pulses of the flushing gas can be introduced into the container interior 120 while the vacuum channel 5 remains open throughout.
  • the vacuum channel 5 preferably provides a negative pressure in the range from 0.05 bar to 0.5 bar absolute pressure.
  • the flushing gas channel 4 introduces the flushing gas into the container interior 120 of the container 100 to be filled, preferably under an absolute pressure of 1 bar to 10 bar, preferably between 2.5 and 7 bar.
  • the flushing gas channel 4 is arranged in an edge region of the mouth 110 of the container 100 to be filled. This allows a flow along the Provide inner wall of the container 100 to be filled.
  • the vacuum channel 5, on the other hand, opens out in the central area of the opening 110.
  • the vacuum channel 5 opens into the container 100 in an opposite edge of the mouth 110 arranged diametrically with respect to the axis of symmetry of the mouth 110 of the container 100 .
  • the flushing gas pulses are introduced at one edge, and the vacuum channel sucks the gas out of the container interior 120 of the container 100 to be filled at the diametrically opposite edge.
  • the flushing gas channel 4 is preferably also oriented in exactly the opposite direction to the vacuum channel 5, which in the exemplary embodiment shown points through the filling product outlet 3 into the container interior 120 of the container 100 to be filled.
  • the controller 6 is preferably set up in such a way that after the last pulse of the flushing gas has been introduced into the container interior 120, in a preferred embodiment, the container interior 120 continues to be subjected to negative pressure and when a specified negative pressure is reached and/or after a specified period of time has elapsed and/or when a predetermined oxygen concentration is reached in the container interior 120, the application of negative pressure to the container interior 120 is terminated.
  • the container interior 120 which is then under negative pressure, is then filled with a filling product that is under overpressure through the filling product outlet 3 .
  • controller 6 it is set up to end the application of the negative pressure to the container interior 120 after the last pulse of the flushing gas has been introduced into the container interior 120 and then to prestress the container interior 120 to a predetermined overpressure with a tensioning gas. The product to be filled is then introduced into the container interior 120 which has been prestressed with the pressurized gas.
  • the same gas is preferably used as the span gas that was also used as the flushing gas—thus, for example, CO 2 .
  • the clamping gas can originate, for example, from the headspace of a filling product reservoir.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Vacuum Packaging (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP18768852.8A 2017-09-08 2018-09-10 Verfahren sowie füllorgan zum befüllen eines behälters Active EP3678984B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201830872T SI3678984T1 (sl) 2017-09-08 2018-09-10 Postopek in polnilni sistem za polnjenje posode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017120745.7A DE102017120745A1 (de) 2017-09-08 2017-09-08 Verfahren zum Befüllen eines Behälters mit einem Füllprodukt sowie Füllorgan zum Befüllen eines Behälters mit einem Füllprodukt
PCT/EP2018/074254 WO2019048658A1 (de) 2017-09-08 2018-09-10 Verfahren sowie füllorgan zum befüllen eines behälters

Publications (2)

Publication Number Publication Date
EP3678984A1 EP3678984A1 (de) 2020-07-15
EP3678984B1 true EP3678984B1 (de) 2023-03-01

Family

ID=63556326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18768852.8A Active EP3678984B1 (de) 2017-09-08 2018-09-10 Verfahren sowie füllorgan zum befüllen eines behälters

Country Status (5)

Country Link
EP (1) EP3678984B1 (zh)
CN (1) CN111247087B (zh)
DE (1) DE102017120745A1 (zh)
SI (1) SI3678984T1 (zh)
WO (1) WO2019048658A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135072A1 (de) * 2019-12-19 2021-06-24 Krones Aktiengesellschaft Verfahren und Vorrichtung zum Befüllen eines Behälters mit einem Füllprodukt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA743675B (en) * 1973-06-25 1975-06-25 J Trinne Bottle filling means and method
US6457495B1 (en) * 2001-03-31 2002-10-01 Dave Meheen Filling apparatus and methods
DE102007009435A1 (de) * 2007-02-23 2008-08-28 Khs Ag Verfahren zum Füllen von Flaschen oder dergleichen Behälter mit einem flüssigen Füllgut unter Gegendruck sowie Füllmaschine zum Durchführen dieses Verfahrens
DE102009011054A1 (de) * 2009-03-02 2010-09-09 Khs Ag Verfahren zur Behandlung von Flaschen oder Behältern mit einem Wasserstoffperoxid enthaltenden Behandlungsmedium
DE102010006028A1 (de) * 2010-01-27 2011-07-28 KHS GmbH, 44143 Verfahren sowie Füllsystem zum Druckfüllen von Behältern
DE102013102611A1 (de) * 2013-03-14 2014-09-18 Khs Gmbh Verfahren zum Spülen von Behältern
DE102013108638A1 (de) 2013-08-09 2015-03-05 Khs Gmbh Verfahren sowie System zum Spülen von Behältern
DE102014104873A1 (de) * 2014-04-04 2015-10-08 Krones Ag Verfahren und Vorrichtung zum Befüllen eines Behälters mit einem Füllprodukt
DE102014104874A1 (de) * 2014-04-04 2015-10-08 Krones Ag Vorrichtung und Verfahren zur Herstellung einer Kunststoffflasche und deren Befüllung mit einem Füllprodukt
DE102015111374A1 (de) * 2015-07-14 2017-01-19 Krones Ag Vorrichtung und Verfahren zum Einleiten eines Gases in einen mit einem Füllprodukt zu befüllenden Behälter

Also Published As

Publication number Publication date
CN111247087A (zh) 2020-06-05
WO2019048658A1 (de) 2019-03-14
CN111247087B (zh) 2021-10-15
DE102017120745A1 (de) 2019-03-14
EP3678984A1 (de) 2020-07-15
SI3678984T1 (sl) 2023-04-28

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