EP3898497A1 - Dispositif de remplissage - Google Patents

Dispositif de remplissage

Info

Publication number
EP3898497A1
EP3898497A1 EP19818000.2A EP19818000A EP3898497A1 EP 3898497 A1 EP3898497 A1 EP 3898497A1 EP 19818000 A EP19818000 A EP 19818000A EP 3898497 A1 EP3898497 A1 EP 3898497A1
Authority
EP
European Patent Office
Prior art keywords
pressure
keg
filling
fitting
plunger
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.)
Granted
Application number
EP19818000.2A
Other languages
German (de)
English (en)
Other versions
EP3898497B1 (fr
Inventor
Thomas Matheyka
Hilmar FICKERT
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
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 KHS GmbH filed Critical KHS GmbH
Publication of EP3898497A1 publication Critical patent/EP3898497A1/fr
Application granted granted Critical
Publication of EP3898497B1 publication Critical patent/EP3898497B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B67C3/007—Applications of control, warning or safety devices in filling machinery
    • 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
    • B67C3/30—Filling of barrels or casks
    • B67C3/34—Devices for engaging filling-heads with filling-apertures

Definitions

  • the present invention relates to a filling device comprising at least one filling element with a filling pipe for flange mounting to a KEG fitting of a KEG, in which filling pipe a plunger can be moved axially in order to counteract the residual pressure and / or with a retaining spring of the KEG fitting Opening the KEG to cooperate.
  • the axial movement of the tappet takes place by means of an actuating device which has a piston which can be moved in a pressure cylinder and which is connected to the tappet or forms the tappet, the actuating device comprising at least one pressure chamber arranged in the pressure cylinder and via at least one control valve is connectable to a pressure source in order to move the piston in the direction of the KEG fitting, which filling device further comprises a pressure sensor for the actuation pressure in the pressure chamber.
  • Each KEG has a KEG fitting as a muzzle valve, which usually comprises a retaining spring, the resistance of the retaining spring and / or the residual pressure having to be overcome to open the KEG in order to open the valve and access to the interior of the KEG for filling of the KEG.
  • the actuation pressure for opening the KEG fitting is called “opening pressure", which is often also referred to as “ram opening pressure”.
  • Disposable KEGs are made of thinner-walled plastic, in particular PET or a PET material, and reusable KEGs are made of metallic material such as steel, aluminum etc., much stronger plastic materials or hybrid materials made of metal and plastic.
  • Disposable KEGs are filled with a filling pressure between 2 and 3 bar, while the filling pressure of reusable KEGs is preferably between 3 and 4% bar. Bottled beverages and soft drinks containing C ⁇ 2 are generally bottled.
  • KEG fitting has no residual pressure or is defective, which means that the KEG fitting opens at very low pressures, an incorrect KEG type reaches the filler / point or that a KEG Fitting can no longer be opened.
  • Reusable KEGs, their fittings and the basic structure of a KEG filler are known, inter alia, from US 2007/0169834 A1 or DE 3 813 410 A1.
  • Disposable KEGs and their fittings are also known from WO 2014/170699 A1.
  • the filling device described above includes an evaluation device which is connected to at least one pressure sensor and which is designed to detect the opening pressure of a KEG or its outlet valve. This means to record the actuation pressure in the pressure chamber and / or force on the tappet or piston at which the KEG fitting opens.
  • the detection of the opening pressure or the force is possible, for example, via the pressure curve and possibly in connection with the position of the tappet or piston.
  • the evaluation device is also designed to compare this determined opening pressure with at least one stored reference pressure or reference pressure curve and to allow or discharge the KEG as a function of the comparison result for the filling process.
  • KEG fitting does not open at all, i.e. the KEG fitting does not open up to an upper reference pressure. In this case it is assumed that the KEG fitting is defective.
  • the closure can be heavily glued or corroded.
  • the KEG is no longer permitted for the filling process and is removed from the filling device, for example, by means of a transport device.
  • the invention can be used to perform this defective KEG check on either one-way or reusable KEGs, the upper and lower reference values being different for these two different types of KEG.
  • the reusable upper and lower reference value for a reusable KEG is higher than for a one-way KEG because the KEG fitting is structurally closed with a stronger spring and / or has a higher residual pressure than is the case with one-way KEG.
  • the invention can thus also be used to distinguish reusable KEGs from disposable KEGs by means of the opening pressure to be used. For example, if the opening pressure is between 2 and 2% bar, it is assumed that the disposable KEG is used. In this case, a wrong KEG could subsequently be rejected or the treatment stations deactivated in whole or in part.
  • the main application is to reject defective or incorrect KEGs, in which the KEG fitting opens if the opening pressure is too low or does not open at all.
  • the filling device preferably has a controller which is designed to cancel the filling process in whole or in part as a function of the comparison result and in particular to convey the wrong KEG identified in this way by means of a transport device out of the filling device or downstream of the transport route. If it is thus determined that the opening pressure is outside, i.e. below or below the upper reference pressure, the KEG is not approved for filling, but is immediately removed from the filling device by means of the transport device. In this way, defective KEGs can be recognized and immediately excluded from further processing.
  • the evaluation device is designed to allow a KEG for the filling process if the opening pressure is preferably above a lower and below an upper reference pressure, that is to say in a permissible reference pressure range.
  • the evaluation device is preferably designed to evaluate the course of the actuation pressure over time and to interpret a maximum pressure as the opening pressure.
  • the pressure When the plunger is pressurized, the pressure usually rises until the counterpressure of the counter spring in the KEG fitting and / or the residual pressure in the KEG is overcome and the KEG fitting opens. At this moment, the pressure usually drops immediately.
  • At least one position sensor is provided for at least one position of the piston or tappet, in particular for the rest position.
  • the evaluation device is designed to evaluate the signal of the position sensor for the detection of the opening pressure.
  • the tappet moves slightly out of its rest position, which is detected by the position sensor.
  • the evaluation device can thus detect the time of opening via the position sensor, and thus also the correlated opening pressure via the pressure sensor.
  • the temporal pressure curve and the signal from the position sensor can be combined in order to verify the detection of the opening time.
  • the invention also relates to a method for filling ver with KEG fittings disposable and reusable KEGs by means of a filling device having a filler element to be connected to the KEG fitting with a filler tube and a plunger axially movable in the filler tube by means of an actuating device designed to work with the KEG fitting to open the KEG.
  • the opening pressure of the KEG fitting is recorded and compared with at least one reference pressure or curve. Depending on the comparison result, the KEG is approved for the filling process or not.
  • the filling device is preferably terminated depending on the comparison result and the KEG is removed from the filling device by means of a transport device.
  • a defective KEG can be recognized if the opening pressure is below a specified lower reference pressure, in which case the KEG fitting is obviously defective or there is no sufficient residual pressure or the opening pressure is above an upper reference pressure or the KEG has not yet opened when the upper reference pressure is exceeded, in which case the KEG fitting is obviously jammed, glued or corroded and must therefore also be removed from the filling process.
  • the opening pressure is preferably recognized via the pressure curve over time, in particular a pressure peak with a subsequent drop in the pressure curve.
  • the opening pressure can be recognized via the position of the tappet, since when the KEG is opened the tappet moves slightly out of its rest position.
  • the actuating device is preferably hydraulic or pneumatic. Alternatively, it can also be actuated electrically. It is then not the actuation pressure when opening the fitting that is detected, but analogously the torque or the electrical current flowing through the motor when the KEG fitting is opened.
  • pressure source-pressure fluid source where in general here under filling also the temporary filling with liquid or gaseous cleaning media is to be understood, not just the filling with one or more products.
  • 1 is a schematic view of part of a filling device
  • Fig. 1 shows a filling element 10 of a filling device, which has a filling tube 12, into which a product feed 16 and a compressed gas feed 18 for filling Druckbe opens a KEG.
  • the filling tube 12 of the filling element 10 can be flanged to a KEG via an upper flange 14 at the free tube end 12.1 (not shown).
  • the KEG to be filled as well as other transport, carrying and treatment elements are known to the person skilled in the art and are therefore not shown further here.
  • a plunger 20 is axially movably guided in the filling tube 12, usually vertically up and down.
  • the plunger 20 is moved by an actuating device 21 which contains a piston 22 which can be moved in a hydraulic pressure cylinder 24.
  • the piston 22 contains a plate-shaped extension 23, the outer circumference of which rests pressure-tight on the inner wall of the pressure cylinder 24, preferably by means of a seal.
  • a lower pressure chamber 26 is formed in the pressure cylinder 24, which is connected to a hydraulic Druckzu Equipmentslei device 28, which is connected via a control valve 30 to a pressure source 32.
  • the piston 22 driving the tappet 20 can be pressed in the direction of the free pipe end 12.1 or the flange 14 in order to open a KEG. All these components belong to the actuating device 21 for the plunger 20.
  • the plunger 20 is not shown in full in the present case, and its interaction with the fitting of the KEG, these elements and mode of operation in the prior art are known.
  • the control valve 30 is controlled by a controller 34 of the filling device.
  • an upper pressure chamber 37 is formed, which cannot be seen in FIG. 1 because of the high position of the extension 23.
  • a pressure discharge line 38 leads into this, which in turn also has a pressure fluid container, e.g. the pressure source 32, the verbun is to move the piston 22 down to close the KEG fitting after the filling process.
  • the controller 34 is connected to a pressure sensor 36, which detects the actuation pressure in the pressure supply line 28 and thus also in the lower pressure chamber 26.
  • an evaluation device 40 is arranged, which can record and evaluate the actuation pressure detected by the pressure sensor 36 in the lower pressure chamber 26 over time.
  • the filling element 10 can have a position sensor 42 for the rest position of the plunger, as shown here, for example, the output signal of the position sensor 42 also being fed to the controller 34 and thus also to the evaluation device 40.
  • the KEG fitting of a KEG is pressed onto this filling element 10 by means of a pressing device, not shown, which acts on the bottom of the KEG in a known manner.
  • the pressure chamber 26 of the hydraulic cylinder 24 is then pressurized via the pressure supply line 28 by the control of the control valve 30.
  • the time course of the admission pressure that occurs via the pressure sensor 36 when filling a KEG is shown in FIG. 2, for example.
  • the pressure applied in the lower pressure chamber 26 or the pressure feed line 28 measured by means of the pressure sensor 36 is plotted in bar, while the time for the filling process is plotted in seconds to the right.
  • the pressure chamber 26 is slowly pressurized in phase I until, at time t 0 at the opening pressure p 0, the KEG fitting against the pressure of the KEG fitting arranged counter spring opens, whereupon the pressure drops in phase II after opening the KEG and overcoming the opening resistance. A peak P is thereby formed. After this, in phase III the pressure rises again slightly when filling the KEG and leads to a plateau in phase IV.
  • 3a shows a lower impermissible reference range a, which extends approximately from 0 to 1.6 bar.
  • the reference symbol b represents an allowable reference pressure range for one-way KEGs, which extends from approximately 1.6 bar to 2.6 bar.
  • a permissible reference pressure range c for reusable KEGs is shown, which extends from approximately 3 to 4.3 bar.
  • An upper, impermissible reference pressure range d is arranged above this.
  • the opening pressure p 0 which is measured with the pressure sensor 36 at the peak P or is detected via the movement of the position sensor 42, is in the reference pressure range a, it is assumed that the KEG fitting is defective because it is below a minimum value opens too early. In this case, the filling or follow-up process is interrupted and the KEG fitting is removed as defective.
  • the permissible reference pressure range b for one-way KEGs lies between a lower reference value R ue and an upper reference value R oe. If the opening pressure p 0 moves in this reference pressure range b, it is assumed that it is is a disposable KEG.
  • the upper reference pressure R oe for one-way KEGs corresponds in the control example shown to the lower reference pressure Rum for reusable KEGs, which forms the lower limit for the permissible reference pressure range c for reusable KEGs.
  • a KEG is thus identified as a reusable KEG if the opening pressure lies between the lower reference pressure Rum for reusable KEGs and the upper reference pressure Rome for reusable KEGs.
  • the opening pressure is above the upper reference pressure value Rom for reusable KEGs or if the KEG fitting does not open at all, it is assumed that the KEG is also defective and the filling process is excluded. On the basis of the recording and evaluation of the opening pressure, it is therefore possible to differentiate between defective KEGs with, for example, worn out KEG fittings, non-opening KEG fittings, as well as disposable KEGs and reusable KEGs.
  • the reference pressure ranges shown in FIG. 3b are essentially identical to those of FIG. 3a with the difference that the reference pressure ranges b and c for one-way and reusable KEGs are spaced apart from one another by a transition area e, so that the upper reference pressure p 0 for a disposable KEG is not identical to the lower reference pressure rum for reusable KEGs.
  • Such a definition of the reference pressure ranges allows a greater variation in the distinction between one-way and reusable KEGs.
  • the assumption here is that when the KEG fitting is opened in the pressure transition area, the KEG fitting closure of a reusable KEG is too weak, so that this KEG must also be discharged.
  • the respective reference ranges can be defined more narrowly or further and can be provided accordingly on the control side.

Landscapes

  • Automatic Assembly (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Seal Device For Vehicle (AREA)
  • Formation And Processing Of Food Products (AREA)

Abstract

L'invention concerne un dispositif de remplissage comprenant au moins un élément de remplissage (10) pourvu d'un tube de remplissage (12) destiné à être monté sur un raccord d'un fût, tube de remplissage (12) dans lequel un coulisseau (20) est disposé de manière mobile axialement afin de coopérer avec un ressort de retenue du raccord de fût pour ouvrir le fût. Le mouvement axial du coulisseau (20) s'effectue au moyen d'un dispositif d'actionnement (21) qui comporte un piston (22) mobile dans un cylindre de pression (24), et relié au coulisseau (20) ou formant le coulisseau (20). Le dispositif d'actionnement (21) comprend au moins une chambre de pression (26) qui est disposée dans le cylindre de pression (24) et qui peut être reliée à une source de pression (32) par le biais d'au moins une soupape de commande (30) afin de déplacer le piston (22) en direction du raccord de fût. Le dispositif de remplissage comprend en outre un capteur de pression (36) destiné la pression d'actionnement dans la chambre de pression (26). Selon l'invention, le dispositif de remplissage comporte un dispositif d'évaluation (40) qui est conçu : - pour détecter la pression d'ouverture (p0) d'un fût et pour comparer cette pression d'ouverture (p0) avec au moins une pression de référence mémorisée, - et pour permettre le processus de remplissage du fût en fonction du résultat de comparaison. L'invention permet de détecter et d'éliminer des fûts défectueux et de faire la distinction entre des fûts à usage et des fûts réutilisables.
EP19818000.2A 2018-12-20 2019-12-05 Dispositif de remplissage Active EP3898497B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018133126.6A DE102018133126A1 (de) 2018-12-20 2018-12-20 Füllvorrichtung
PCT/EP2019/083854 WO2020126523A1 (fr) 2018-12-20 2019-12-05 Dispositif de remplissage

Publications (2)

Publication Number Publication Date
EP3898497A1 true EP3898497A1 (fr) 2021-10-27
EP3898497B1 EP3898497B1 (fr) 2023-02-08

Family

ID=68848247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19818000.2A Active EP3898497B1 (fr) 2018-12-20 2019-12-05 Dispositif de remplissage

Country Status (6)

Country Link
US (1) US11518664B2 (fr)
EP (1) EP3898497B1 (fr)
DE (1) DE102018133126A1 (fr)
ES (1) ES2938443T3 (fr)
PT (1) PT3898497T (fr)
WO (1) WO2020126523A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11891292B2 (en) * 2020-07-01 2024-02-06 Craft Standard Enterprises, Inc. Apparatus, system and method for filling a beverage container

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813410A1 (de) 1988-04-21 1989-11-02 Seitz Enzinger Noll Masch Verfahren sowie pruefvorrichtung zum erkennen von undichtigkeiten der verbindung zwischen einem behandlungskopf und einem auf diesen behandlungskopf mit seinem keg-fitting aufgesetzten keg
JP2926203B2 (ja) * 1992-11-06 1999-07-28 株式会社 エスジー ガラス壜の不良検査装置
DE102005031573A1 (de) 2005-07-06 2007-01-11 Khs Ag Behandlungsstation für KEG's
EP1954342B8 (fr) * 2005-12-02 2013-04-03 Baxa Corporation Système de remplissage de liquide médical automatisé
DE202009001197U1 (de) * 2009-01-31 2010-06-24 Malek Brautech Gmbh Behandlungsvorrichtung für Behälter
DE102011111496B3 (de) * 2011-08-30 2012-06-06 Khs Gmbh Hubelement mit ausfahrbarer Spülhülse
GB201307088D0 (en) 2013-04-19 2013-05-29 Simpson Kenneth L Valve-spear fitting for a keg
DE102014106203A1 (de) * 2014-05-05 2015-11-05 Khs Gmbh Behandlungskopf sowie Behälterbehandlungsmaschine mit einem Behandlungskopf
DE102015116532A1 (de) * 2015-09-30 2017-03-30 Khs Gmbh Verfahren sowie Behandlungsstation und Behandlungskopf zur Behandlung der Innenräume von KEGs sowie Dichtung zur Verwendung bei einer derartigen Behandlungsstation

Also Published As

Publication number Publication date
EP3898497B1 (fr) 2023-02-08
US11518664B2 (en) 2022-12-06
US20210395065A1 (en) 2021-12-23
WO2020126523A1 (fr) 2020-06-25
ES2938443T3 (es) 2023-04-11
DE102018133126A1 (de) 2020-06-25
PT3898497T (pt) 2023-03-07

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