EP0979207B1 - Verfahren und vorrichtung zum füllen von gebinden - Google Patents

Verfahren und vorrichtung zum füllen von gebinden Download PDF

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Publication number
EP0979207B1
EP0979207B1 EP98920505A EP98920505A EP0979207B1 EP 0979207 B1 EP0979207 B1 EP 0979207B1 EP 98920505 A EP98920505 A EP 98920505A EP 98920505 A EP98920505 A EP 98920505A EP 0979207 B1 EP0979207 B1 EP 0979207B1
Authority
EP
European Patent Office
Prior art keywords
filling
gas
product
barrel
liquid
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.)
Expired - Lifetime
Application number
EP98920505A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0979207A1 (de
Inventor
Volker Till
Hans-Jürgen WALL
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 Till GmbH
Original Assignee
KHS Till 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
Priority claimed from DE19741254A external-priority patent/DE19741254C2/de
Application filed by KHS Till GmbH filed Critical KHS Till GmbH
Publication of EP0979207A1 publication Critical patent/EP0979207A1/de
Application granted granted Critical
Publication of EP0979207B1 publication Critical patent/EP0979207B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B67C3/30—Filling of barrels or casks
    • B67C3/32—Filling of barrels or casks using counterpressure, i.e. filling while the container is under pressure

Definitions

  • the invention relates to a method for filling containers, especially kegs, with liquids in which at least one Gas is dissolved, the container before filling the Liquid is biased with a biasing gas, then the Container via a connected to a supply line Filling valve fed to a filling station and during liquid of the filling process, the biasing gas contained in the container is dissipated, and a device for performing this Procedure.
  • Carbonated beverages such as beer, only keep their CO 2 in solution if the partial pressure of the gas CO 2 above the liquid is at least as high as the saturation pressure in the liquid. If the gas pressure above the liquid is below the saturation pressure, the liquid loses CO 2 , but if the gas pressure is significantly higher, there is a risk that additional CO 2 will dissolve.
  • the gas absorption is dependent on the differential pressure between the saturation pressure in the liquid and the partial pressure above the liquid, the time available for gas exchange, which is usually equivalent to the filling time of the container, and the size of the gas exchange surface, i.e. the Liquid surface. Due to the turbulence in the liquid during the filling process, the risk of gas absorption during filling is considerably increased.
  • the gas exchange between the liquid and the superimposed gas atmosphere affects not only the CO 2 , but also other gases present in the gas atmosphere, in particular oxygen, which is absorbed by the liquid according to the same laws.
  • oxygen is an important factor for the quality of the product in liquids that can be damaged by microorganisms or whose durability is endangered by the oxidation of liquid components.
  • a differential pressure between the supply line and the inside of the container is a differential pressure between the supply line and the inside of the container.
  • the size of the Differential pressure determines the inflow speed of the Product.
  • the product is used to avoid Surface enlargement caused by turbulence initially filled lower speed, which then slowly increased becomes.
  • the container is prestressed with a gas pressure, which is significantly above the saturation pressure of the in the liquid dissolved gas.
  • the liquid to be bottled itself by tanks or pumps also at this pressure level held and fed to the filling machine. After tempering of the container to the pressure of the liquid supplied a connection between the container and the feed of the filling material manufactured.
  • the preload pressure to be set is determined by experience.
  • the product is said to lose CO 2 due to turbulence that results in local negative pressures. This creates a deliberate artificial foam on the surface of the liquid, the bubbles of which only contain the released CO 2 and thus protect the product from contact with the oxygen-containing gas atmosphere above.
  • the turbulence and with it the local negative pressure disappear.
  • the product absorbs CO 2 again during the remaining filling time. The trick is, depending on the CO 2 content, temperature, container size and calculated filling time, to achieve a balance between CO 2 loss and recovery.
  • the container In addition to the fact that the container must be biased far above the saturation pressure in the return gas control and the draining must be carried out in a controlled manner in order to achieve a controlled filling speed, the reduction of the filling speed in the last filling section is problematic. If the liquid inlet pressure remains constant, the flow rate can only be reduced if the differential pressure is reduced. In the known methods, the gas outlet is throttled (or, in extreme cases, prevented) and waited until the rising fill level has increased the back pressure to the desired value by compressing the remaining gas volume in the container. This period can be significant, especially for beer kegs. A 50 1 keg usually has an inlet cross-section DN21 and a maximum filling speed of 2.5 l / sec at a differential pressure of 0.8 bar.
  • N 2 and CO 2 have completely different solubilities and saturation pressure curves. While CO 2 easily dissolves and is difficult to get out of solution, it is extremely difficult to get N 2 into solution at all and very easy to remove N 2 even with the slightest turbulence. The balance between degassing at the start of filling and resumption of the lost gas during filling is almost impossible to find in 2-gas systems. The quality of the product to be filled is therefore fluctuating. Attempts are made to compensate for this by keeping the ratio of the gas atmosphere CO 2 to N 2 different from the proportion of the dissolved gases. However, this compromise is only valid for one temperature or one container size and only for one product supply pressure. It is impossible to master these many factors and their tolerances in terms of control technology.
  • Another disadvantage of the return gas control is that the container has to be prestressed with gas, usually CO 2 , far beyond the saturation pressure in order to achieve a pressure drop that is still above the saturation pressure even during the maximum lowering of the internal pressure during the filling process of the gas. Since the gas is then released into the atmosphere, this also results in increased consumption of the greenhouse gas CO 2 in addition to energy consumption. Furthermore, the operating personnel are burdened by the high CO 2 emissions.
  • gas usually CO 2
  • GB-A-2 116 530 is a generic method known, with the filling of the kegs with down reversed connection fitting, the liquid through the carbonic acid valve of the connection fitting flows in and that displaced gas is discharged through the epee. Does that work Finally, beer over the top of the riser is that Full barrel.
  • the one for the individual The desired volume of the filling phases can be set using a setpoint be specified.
  • To the different filling volumes To achieve in the individual filling phases is in the Fast filling phase switched on another filling line.
  • the basis of the known method is therefore the provision of two parameterizable volume limit values when they are reached switched between a large and a smaller filling line can be.
  • the flow rate in the Product supply line is not regulated.
  • the object of the invention is therefore to a gentle filling enable and reduce the consumption of bias gas.
  • the first, cold product flowing into the hot keg brings Residual quantities of atmospheric sterile vapor in the container sudden condensation.
  • the previously used pressure modulating Procedures could not do this pressure collapse settle fast enough.
  • the new process solves this task without difficulty and a controlled slow Flow towards the product, prerequisite for a gentle Bottling is guaranteed.
  • the Preload pressure within the container according to the Saturation pressure set after filling is the fact that beer kegs before the filling for sterilization can be steamed and the cold Product is filled into the still hot container.
  • a mixing and equalizing temperature which is the temperature of the product in the container by approx. 4 ° C compared to the supply temperature elevated.
  • this changes the Saturation pressures of the dissolved gases so that according to the invention value to be set to that of the product in the filled Containers must correspond. This question has been asked in the past never posed because the back pressure is always significantly above the saturation pressure.
  • An apparatus for performing the above Procedure with a filling station which is via a feed line product liquid to be filled into the container and from the escaping from the container via a return gas line
  • bias gas is removed
  • Filling station a flow meter to determine the flow rate in the feed line of the filling station and an adjustable orifice to adjust the product volume flow on.
  • the product volume flow is based on a regulator the flow rate determined by the flow meter as actual value and one preferably to the container size, Fitting type, product temperature and / or proportion of propellant gas Product coordinated, in a data processing unit stored filling curve regulated as setpoint.
  • the Aperture cross-section can be changed continuously according to the invention.
  • Return gas line provided an overflow valve through which the Return gas is discharged.
  • the filling station 30 shown in Fig. 1 builds on that in the Master application DE 197 18 130.9, the content of which also for Subject of the present application is made described Principle of low gas back pressure in the too ventilating container.
  • the filling station 30 consists in essentially from a filling valve 2, via a supply line 3 a liquid, such as beer, dissolved in the gases are fed.
  • a container on the filling valve 2 in particular a keg 4 placed with the product liquid should be filled.
  • One of the individual filling stations 1 is located in the feed line 3 assigned flow meter 31 for determining the flow rate of the product through the line section 8 and an infinitely variable orifice 32, for example a membrane control valve, intended.
  • the one in front or behind the aperture 32 Arranged flow meter 31 provides the data obtained of the product flow to an actual value processing 33 which the current flow rate (speed) as actual value a control device (34) passes on.
  • a riser pipe 9 is provided, which with a Return gas line 10 of the filling valve 2 is connected.
  • the Return gas line 10 leads to an overflow valve 11, via the access to a return gas outlet 12 is controlled.
  • a bias gas line 13 is connected, which can be shut off via a valve 14.
  • the biasing gas in particular CO 2 .
  • the biasing gas can also be a composition of several gases, such as CO 2 and N 2 .
  • the preload pressure in the keg 4 is only at a partial pressure corresponding to the saturation pressure of the CO 2 (or N 2 ) in the beer or slightly above (e.g. 1.4 bar), which is below the product pressure in front of the filling valve 2 (e.g. 2nd , 5 bar) lies in the line section 8 of the supply line 3.
  • the back pressure of the biasing gas in the keg 4 corresponds to the saturation pressure of the dissolved gas after the keg 4 has been filled, ie in the filled container. It is taken into account here that the beer filled at a temperature of approximately 3 ° C. warms by approximately 4 ° C. in the keg 4 which is usually steamed before filling and is therefore hot at approximately 100 ° C. The change in saturation pressure caused by this is already taken into account when setting the original preload pressure.
  • the control device 33 compares that of the Flow meter 31 delivered actual value with a constant one on the container size, fitting type, product temperature, Propellant gas proportion or the like. Parameters coordinated in one Data processing unit stored filling curve set Setpoint and changes the flow rate if necessary. To this end the infinitely variable aperture 32 is used, whose Cross-section through a linear drive (manipulated variable: stroke) can be varied so that a given one at any time Flow rate (controlled variable) can be generated.
  • manipulated variable manipulated variable: stroke
  • the influencing variables for the definition of the filling curves are in Fig. 2 shown.
  • new product / container constellations optimized for self-learning Filling profiles can be designed and processed. It can also be provided, the filling curves on graphically interactive To change systems during the production process.
  • the filling valve 2 After closing the bias gas valve 14, the filling valve 2 opened, so initially only a small amount of product occurs on. Injecting the product is despite the pressure difference thereby avoided that the supply amount is targeted is reduced. Then the filling speed becomes slow increased so as not to cause excessive turbulence.
  • the bias gas escapes through the overflow valve 11 in the return gas outlet 12.
  • the specified return gas pressure is, for example, a constant 1.5 bar.
  • An essential aspect of the invention is that the pretension in the keg 4 only has to be set to a partial pressure corresponding approximately to the saturation pressure of the CO 2 (or N 2 ) in the beer and is thus far below the conventionally set pretension pressure.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Vacuum Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Special Conveying (AREA)
  • Devices For Dispensing Beverages (AREA)
EP98920505A 1997-04-29 1998-04-08 Verfahren und vorrichtung zum füllen von gebinden Expired - Lifetime EP0979207B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19718130 1997-04-29
DE19718130 1997-04-29
DE19741254A DE19741254C2 (de) 1997-04-29 1997-09-18 Verfahren und Vorrichtung zum Füllen von Gebinden
DE19741254 1997-09-18
PCT/EP1998/002058 WO1998049089A1 (de) 1997-04-29 1998-04-08 Verfahren und vorrichtung zum füllen von gebinden

Publications (2)

Publication Number Publication Date
EP0979207A1 EP0979207A1 (de) 2000-02-16
EP0979207B1 true EP0979207B1 (de) 2001-07-25

Family

ID=26036181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98920505A Expired - Lifetime EP0979207B1 (de) 1997-04-29 1998-04-08 Verfahren und vorrichtung zum füllen von gebinden

Country Status (10)

Country Link
US (1) US6196277B1 (es)
EP (1) EP0979207B1 (es)
JP (1) JP3335182B2 (es)
AT (1) ATE203489T1 (es)
BR (1) BR9809432A (es)
DE (1) DE29718062U1 (es)
DK (1) DK0979207T3 (es)
ES (1) ES2161050T3 (es)
RU (1) RU2181101C2 (es)
WO (1) WO1998049089A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014206774A1 (de) 2013-06-27 2014-12-31 Khs Gmbh Verfahren sowie füllsystem zum füllen von behältern

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355710B (en) * 1999-10-28 2003-05-28 Gimson Engineering Ltd Cask filling and stoppering
DE10343281A1 (de) * 2003-09-18 2005-04-21 Adelholzener Alpenquellen Gmbh Verfahren und Vorrichtung zur Herstellung und Abfüllung von mit Sauerstoff angereicherten Flüssigkeiten
DE102008016846A1 (de) * 2008-04-01 2009-10-15 Khs Ag Verfahren und Vorrichtung zum Füllen von insbesondere großvolumigen Behältern
US9475607B2 (en) * 2008-10-01 2016-10-25 Rehrig Pacific Company Plastic beer keg
EP2421762B1 (en) 2009-04-20 2016-02-10 Rehrig Pacific Company Plastic beer keg
US9434505B2 (en) * 2010-01-26 2016-09-06 Rehrig Pacific Company Plastic beer keg
ES2451394T3 (es) 2010-11-09 2014-03-26 Rehrig Pacific Company Barril plástico de cerveza
MX2011011908A (es) * 2010-11-09 2012-05-21 Rehrig Pacific Co Barril de plastico para cerveza.
MX357969B (es) 2014-06-23 2018-08-01 Rehrig Pacific Co Barril de plastico para cerveza.
DE102014110161A1 (de) * 2014-07-18 2016-01-21 Krones Aktiengesellschaft Verfahren zum Befüllen eines Behälters mit einem Füllprodukt mittels eines Proportionalventils
DE102015111536A1 (de) * 2015-07-16 2017-01-19 Khs Gmbh Verfahren sowie Füllsystem zum Befüllen von Behältern
DE102015014276A1 (de) 2015-11-06 2017-05-11 Cool-System Keg Gmbh Einweg Getränkefass aus Edelstahl
EP3578504A1 (en) * 2018-06-06 2019-12-11 NicheSolutions (GB) Limited Keg filling apparatus
DE102022130813A1 (de) * 2022-11-22 2024-05-23 Khs Gmbh Verfahren sowie Vorrichtung zum Füllen von mit jeweils einem KEG-Fitting ausgestatteten KEGs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2123949C3 (de) * 1971-05-14 1975-04-03 Enzinger-Union-Werke Ag, 6800 Mannheim Kesselloser Gegendruck-Faßfüller
DE3209166A1 (de) * 1982-03-13 1983-09-15 Seitz Enzinger Noll Maschinenbau Ag, 6800 Mannheim Verfahren und vorrichtung zum fuellen von mit fuell- und zapfarmaturen verschlossenen behaeltern, vorzugsweise kegs
DE3306922A1 (de) * 1983-02-26 1984-08-30 Leifeld und Lemke Maschinenfabrik GmbH & Co KG, 4993 Rahden Steuerungseinrichtung zum abfuellen von fluessigkeiten
GB2182319B (en) * 1985-11-05 1989-01-11 Gkn Sankey Ltd Method of filling containers
ES2004035A6 (es) * 1986-12-24 1988-12-01 Construcciones Y Estructuras M Dispositivo para el llenado volumetrico de envases

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014206774A1 (de) 2013-06-27 2014-12-31 Khs Gmbh Verfahren sowie füllsystem zum füllen von behältern
DE102013106756A1 (de) 2013-06-27 2014-12-31 Khs Gmbh Verfahren sowie Füllsystem zum Füllen von Behältern
US10131527B2 (en) 2013-06-27 2018-11-20 Khs Gmbh Method and filling system for filling containers

Also Published As

Publication number Publication date
WO1998049089A1 (de) 1998-11-05
DK0979207T3 (da) 2001-10-22
EP0979207A1 (de) 2000-02-16
JP2000511140A (ja) 2000-08-29
ES2161050T3 (es) 2001-11-16
DE29718062U1 (de) 1998-05-20
JP3335182B2 (ja) 2002-10-15
US6196277B1 (en) 2001-03-06
ATE203489T1 (de) 2001-08-15
BR9809432A (pt) 2000-06-13
RU2181101C2 (ru) 2002-04-10

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