EP1447329B1 - Apparatus for dispensing a fluid substance - Google Patents

Apparatus for dispensing a fluid substance Download PDF

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Publication number
EP1447329B1
EP1447329B1 EP04003143A EP04003143A EP1447329B1 EP 1447329 B1 EP1447329 B1 EP 1447329B1 EP 04003143 A EP04003143 A EP 04003143A EP 04003143 A EP04003143 A EP 04003143A EP 1447329 B1 EP1447329 B1 EP 1447329B1
Authority
EP
European Patent Office
Prior art keywords
filling
medium
time
filling point
pressure
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
EP04003143A
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German (de)
French (fr)
Other versions
EP1447329A1 (en
Inventor
Hartmut Breithaupt
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.)
Endress and Hauser Flowtec AG
Original Assignee
Endress and Hauser Flowtec AG
Flowtec 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 Endress and Hauser Flowtec AG, Flowtec AG filed Critical Endress and Hauser Flowtec AG
Publication of EP1447329A1 publication Critical patent/EP1447329A1/en
Application granted granted Critical
Publication of EP1447329B1 publication Critical patent/EP1447329B1/en
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
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/287—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/34—Methods or devices for controlling the quantity of the material fed or filled by timing of filling operations
    • 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
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/287—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters
    • B67C3/288—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters using master-slave controls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/0003—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid
    • B67D1/0004—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl
    • B67D1/0005—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl the apparatus comprising means for automatically controlling the amount to be dispensed
    • B67D1/0006—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl the apparatus comprising means for automatically controlling the amount to be dispensed based on the timed opening of a valve

Definitions

  • the invention relates to a device for filling an adjustable amount (M) of a medium according to the preamble of claim 1.
  • the medium is, for example, liquids.
  • Bottling plants are usually operated according to the time-pressure method.
  • the opening duration of a filling valve is calculated as a function of the amount to be filled and in dependence on a measured liquid pressure.
  • the properties of the medium are also dependent on e.g. from the temperature. Such parameters require a correction of the filling time.
  • From the DE 41 17 287 A1 is a generic device for filling an adjustable amount of a medium known.
  • the time for filling at a master filling station is measured by means of a flow meter.
  • the filling of trailing slave filling stations is controlled, whereby additionally a correction value can be used which takes into account changes of the influencing variables on the flow velocity.
  • An adjustable restrictor ensures identical filling conditions at all filling points.
  • the idea is that at a known pressure (p k ) depending on the flow (D), the filling of a set (M k ) is performed, and that from this and from the time required for it (t k ), a correction factor (K) is calculated , In this correction factor (K), the dependencies of the filling time (t) then depend on the filling properties of the medium. As long as the medium does not change, for example by keeping the temperature of the medium constant remains, with this correction factor (K), the filling time (t) depending on the amount to be filled (M) and the pressure (p) can be calculated.
  • the filling station is operated in the normal operation with the time-pressure method, wherein for the necessary correction factor (K), which responds to the filling properties of the medium, in connection with a flow meter, a special filling is made.
  • K necessary correction factor
  • the bottling plant has at least two filling points. At the first filling point is the flowmeter, which allows the calculation of the correction factor (K). This correction factor (K) then uses the times (t) for the further fillings at this first filling point. At the same time, this factor (K) also serves to calculate the time at the at least second filling point. Thus, only one flow meter is required, but it can be operated multiple bottling.
  • control unit is designed such that the flow (D) of the medium is measured only in the case that the filling time (t) is greater than the minimum filling time (t min ) of the flowmeter. For filling times (t), which is shorter than the minimum filling time (t min ), the measuring uncertainty of the flowmeter is too high, so in these cases, the flow should not be measured.
  • Fig. 1 shows the course of the procedure.
  • the correction factor K is calculated, which results in a filling of an amount M k via the measurement of the flow rate D k and the time t k , until the amount M k is filled, at the measured pressure p k .
  • the following fillings are performed using the correction factor K, which must be determined again only when the filling characteristics of the medium have changed.
  • the correction factor K can also be determined at each filling at the first filling point 1. This is useful if the medium can not or should not be monitored directly, and if, for example, several filling points 1, 2 work with this correction factor K, so that always a reliable value must be given.
  • Fig. 2 is the block diagram of a bottling plant with two filling points 1, 2.
  • the flow meter 5 At the first filling point 1 is the flow meter 5.
  • the control unit 6 is further connected to the pressure gauges 3 of the first 1 and the second filling point 2.
  • the correction factor K is determined by the control unit 6 at a first filling and used for the subsequent bottling, in dependence on the pressure p and the amount to be filled M the medium to calculate the time t, the valves 8 must be opened to fill the amount M.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Abfüllen einer einstellbaren Menge (M) eines Mediums gemäß dem Oberbegriff des Anspruchs 1. Bei dem Medium handelt es sich beispielsweise um Flüssigkeiten.The invention relates to a device for filling an adjustable amount (M) of a medium according to the preamble of claim 1. The medium is, for example, liquids.

Abfüllanlagen werden meist nach dem Zeit-Druck-Verfahren betrieben. Bei diesem Verfahren wird die Öffnungsdauer eines Füllventils in Abhängigkeit von der abzufüllenden Menge und in Abhängigkeit von einem gemessenen Flüssigkeitsdruck berechnet. Die Eigenschaften des Mediums hängen jedoch auch von z.B. von der Temperatur ab. Solche Parameter machen eine Korrektur der Füllzeit erforderlich.Bottling plants are usually operated according to the time-pressure method. In this method, the opening duration of a filling valve is calculated as a function of the amount to be filled and in dependence on a measured liquid pressure. However, the properties of the medium are also dependent on e.g. from the temperature. Such parameters require a correction of the filling time.

Aus der DE 41 17 287 A1 ist eine gattungsgemäße Vorrichtung zum Abfüllen einer einstellbaren Menge eines Mediums bekannt. Bei dieser Vorrichtung wird die Zeit zum Abfüllen an einer Master-Füllstelle mit Hilfe eines Durchflussmessers gemessen. Mit Hilfe dieser Zeit wird die Abfüllung von nachlaufenden Slave-Füllstellen gesteuert, wobei hierfür zusätzlich noch ein Korrekturwert verwendet werden kann, der Änderungen der Einflussgrößen auf die Fließgeschwindigkeit berücksichtigt. Über eine justierbare Drosselstelle werden dabei identische Abfüllbedingungen an allen Abfüllstellen sichergestellt.From the DE 41 17 287 A1 is a generic device for filling an adjustable amount of a medium known. In this device, the time for filling at a master filling station is measured by means of a flow meter. With the help of this time, the filling of trailing slave filling stations is controlled, whereby additionally a correction value can be used which takes into account changes of the influencing variables on the flow velocity. An adjustable restrictor ensures identical filling conditions at all filling points.

Daher ist es Aufgabe der Erfindung, mit einer Vorrichtung ein Medium abzufüllen, wobei auf die unterschiedlichen Abfülleigenschaften des Mediums eingegangen wird.It is therefore an object of the invention to fill a medium with a device, which addresses the different filling properties of the medium.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.The object is solved by the features of claim 1.

Die idee ist, dass bei bekanntem Druck (pk) in Abhängigkeit vom Durchfluss (D) die Abfüllung einer Menge (Mk) durchgeführt wird, und dass daraus und aus der dafür benötigten Zeit (tk) ein Korrekturfaktor (K) berechnet wird. In diesem Korrekturfaktor (K) stecken dann die Abhängigkeiten der Füllzeit (t) von den Abfülleigenschaften des Mediums. Solange sich das Medium nicht verändert, indem z.B. die Temperatur des Mediums konstant bleibt, kann mit diesem Korrekturfaktor (K) die Füllzeit (t) in Abhängigkeit von der abzufüllenden Menge (M) und dem Druck (p) berechnet werden.The idea is that at a known pressure (p k ) depending on the flow (D), the filling of a set (M k ) is performed, and that from this and from the time required for it (t k ), a correction factor (K) is calculated , In this correction factor (K), the dependencies of the filling time (t) then depend on the filling properties of the medium. As long as the medium does not change, for example by keeping the temperature of the medium constant remains, with this correction factor (K), the filling time (t) depending on the amount to be filled (M) and the pressure (p) can be calculated.

Die Abfüllstelle wird im normalen Betrieb mit dem Zeit-Druck-Verfahren betrieben, wobei für den nötigen Korrekturfaktor (K), der auf die Abfülleigenschaften des Mediums eingeht, in Verbindung mit einem Durchflussmessgerät eine spezielle Abfüllung vorgenommen wird.The filling station is operated in the normal operation with the time-pressure method, wherein for the necessary correction factor (K), which responds to the filling properties of the medium, in connection with a flow meter, a special filling is made.

Die Abfüllanlage weist mindestens zwei Abfüllstellen auf. Bei der ersten Abfüllstelle befindet sich das Durchflussmessgerät, das die Berechnung des Korrekturfaktors (K) ermöglicht. Mit diesem Korrekturfaktor (K) werden dann die Zeiten (t) für die weiteren Abfüllungen an dieser ersten Abfüllstelle benutzt. Gleichzeitig dient dieser Faktor (K) aber auch der Zeitberechnung an der mindestens zweiten Abfüllstelle. Somit ist nur ein Durchflussmessgerät erforderlich, es können aber mehrere Abfüllstellen betrieben werden.The bottling plant has at least two filling points. At the first filling point is the flowmeter, which allows the calculation of the correction factor (K). This correction factor (K) then uses the times (t) for the further fillings at this first filling point. At the same time, this factor (K) also serves to calculate the time at the at least second filling point. Thus, only one flow meter is required, but it can be operated multiple bottling.

Eine vorteilhafte Ausgestaltung sieht vor, dass die Steuereinheit derartig ausgestaltet ist, dass der Durchfluss (D) des Mediums nur in dem Fall gemessen wird, dass die Abfüllzeit (t) größer als die minimale Abfüllzeit (tmin) des Durchflussmessgerätes ist. Für Abfüllzeiten (t), die kürzer als die minimale Abfüllzeit (tmin) ist, wird die Messunsicherheit des Durchflussmessgerätes zu hoch, daher sollte in diesen Fällen nicht der Durchfluss gemessen werden.An advantageous embodiment provides that the control unit is designed such that the flow (D) of the medium is measured only in the case that the filling time (t) is greater than the minimum filling time (t min ) of the flowmeter. For filling times (t), which is shorter than the minimum filling time (t min ), the measuring uncertainty of the flowmeter is too high, so in these cases, the flow should not be measured.

Die Erfindung wird anhand der nachfolgenden Zeichnungen näher erläutert. Es zeigt:

  • Fig. 1: ein Flussdiagramm des Verfahrens; und
  • Fig. 2: ein Blockschaltbild der Abfüllanlage.
The invention will be explained in more detail with reference to the following drawings. It shows:
  • Fig. 1 a flowchart of the method; and
  • Fig. 2 : a block diagram of the bottling plant.

Fig. 1 zeigt den Verlauf des Verfahrens. Zunächst wird der Korrekturfaktor K berechnet, der sich bei einer Abfüllung einer Menge Mk über die Messung der Durchflussmenge Dk und der Zeit tk, bis die Menge Mk abgefüllt ist, bei dem gemessenen Druck pk ergibt. Die folgenden Abfüllungen werden unter Verwendung des Korrekturfaktors K durchgeführt, der erst dann wieder bestimmt werden muss, wenn sich die Abfülleigenschaften des Mediums geändert haben. Der Korrekturfaktor K kann auch bei jeder Abfüllung an der ersten Abfüllstelle 1 bestimmt werden. Dies ist sinnvoll, wenn das Medium nicht direkt überwacht werden kann oder soll, und wenn z.B. mehrere Abfüllstellen 1, 2 mit diesem Korrekturfaktor K arbeiten, so dass stets ein zuverlässiger Wert gegeben sein muss. Fig. 1 shows the course of the procedure. First, the correction factor K is calculated, which results in a filling of an amount M k via the measurement of the flow rate D k and the time t k , until the amount M k is filled, at the measured pressure p k . The following fillings are performed using the correction factor K, which must be determined again only when the filling characteristics of the medium have changed. The correction factor K can also be determined at each filling at the first filling point 1. This is useful if the medium can not or should not be monitored directly, and if, for example, several filling points 1, 2 work with this correction factor K, so that always a reliable value must be given.

In Fig. 2 findet sich das Blockschaltbild einer Abfüllanlage mit zwei Abfüllstellen 1, 2. An der ersten Abfüllstelle 1 befindet sich das Durchflussmessgerät 5. Dieses ist mit einer Steuereinheit 6 verbunden, in der sich auch der Zeitmesser 4 befindet. Die Steuereinheit 6 ist weiterhin verbunden mit den Druckmessgeräten 3 der ersten 1 und der zweiten Abfüllstelle 2. Der Korrekturfaktor K wird von der Steuereinheit 6 bei einer ersten Abfüllung bestimmt und für die anschließenden Abfüllungen benutzt, um in Abhängigkeit vom Druck p und der abzufüllenden Menge M des Mediums die Zeit t zu berechnen, die die Ventile 8 geöffnet sein müssen, um die Menge M abzufüllen.In Fig. 2 is the block diagram of a bottling plant with two filling points 1, 2. At the first filling point 1 is the flow meter 5. This is connected to a control unit 6, in which the timer 4 is located. The control unit 6 is further connected to the pressure gauges 3 of the first 1 and the second filling point 2. The correction factor K is determined by the control unit 6 at a first filling and used for the subsequent bottling, in dependence on the pressure p and the amount to be filled M the medium to calculate the time t, the valves 8 must be opened to fill the amount M.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Erste AbfüllstelleFirst filling station
22
Zweite AbfüllstelleSecond filling station
33
Druckmesserpressure gauge
44
Zeitmesserchronometer
55
DurchflussmessgerätFlowmeter
66
Steuereinheitcontrol unit
77
Rohrleitungpipeline
88th
VentilValve

Claims (2)

  1. Device for transferring an adjustable amount (M) of a medium, with at least a first filling point (1) and a second filling point (2) with a timer (4) and a control unit (6), where a flowmeter (5) is provided for the first filling point (1),
    characterized in that
    - a pressure meter (3) is provided for the first filling point (1).
    - the control unit (6) first determines a correction factor (K), which results from the pressure (pk) and the flow (Dk) of the medium and the time (tk) for transferring an adjustable amount (Mk) at the first filling point (1).
    - the control unit (6) subsequently controls the transfer of the medium at the first filling point (1) at least in accordance with a time-pressure process, where the time (t) for transferring the medium at the first filling point (1) results from the pressure (p) at the first filling point (1) and the correction factor (K), depending on the adjustable amount (M), as long as the filling quantities of the medium remain unchanged.
    - the control unit (6) controls the transfer of medium at the second filling point (2) at least in accordance with the time-pressure method, whereby the time (t) for transferring the medium at the second filling point (2) results from the pressure at the second filling point (2) and the correction factor (K), depending on the adjustable amount (M).
  2. Device in accordance with Claim 1, characterized in that the control unit (6) is designed in such a way that the flow (D) of the medium is only measured when the filling time (t) is bigger than the minimum filling time (tmin) of the flowmeter (5).
EP04003143A 2003-02-17 2004-02-12 Apparatus for dispensing a fluid substance Expired - Lifetime EP1447329B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10306751 2003-02-17
DE2003106751 DE10306751B4 (en) 2003-02-17 2003-02-17 Device for filling a medium

Publications (2)

Publication Number Publication Date
EP1447329A1 EP1447329A1 (en) 2004-08-18
EP1447329B1 true EP1447329B1 (en) 2008-12-10

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EP04003143A Expired - Lifetime EP1447329B1 (en) 2003-02-17 2004-02-12 Apparatus for dispensing a fluid substance

Country Status (2)

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EP (1) EP1447329B1 (en)
DE (2) DE10306751B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9278842B2 (en) 2012-04-04 2016-03-08 Krones Ag Method for the control of a filling machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20040059A1 (en) * 2004-02-10 2004-05-10 Stk Stocchi Progetti S R L Uni FILLER WITH TIMED DOSING TAPS
DE102008018089A1 (en) 2008-04-09 2009-10-15 Endress & Hauser Meßtechnik GmbH & Co. KG Method for filling i.e. oil, from tank in bottle, involves adjusting flow rate of medium via throttle in dependent of measured temperature of medium, and adjusting filling pressure in dependent of measured temperature
DE102010006028A1 (en) * 2010-01-27 2011-07-28 KHS GmbH, 44143 Method and filling system for pressure filling of containers
DE102010053201A1 (en) 2010-12-03 2012-06-06 Krones Aktiengesellschaft Apparatus and method for filling containers
DE102014107364A1 (en) 2014-05-26 2015-11-26 Endress+Hauser Process Solutions Ag Method for valve-controlled filling
EP2949618B1 (en) * 2014-05-30 2016-08-31 Sidel S.p.a. Con Socio Unico Method and device for contact filling an article with pourable product

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117287A1 (en) * 1991-05-27 1992-12-03 Seitz Enzinger Noll Masch METHOD FOR FILLING BOTTLES, CAN OR THE LIKE CONTAINED AND FILLING MACHINE FOR CARRYING OUT THIS PROCESS
GB2288168A (en) * 1994-04-05 1995-10-11 Bwi Dawson Master - slave filling valve system for bottling machine
DE19951555A1 (en) * 1999-10-27 2001-05-03 Bausch & Stroebel Maschf Filler and dispenser incorporates pressure gauge, dispenser-control, capacity-monitor and weighing machine

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US5012955A (en) * 1989-10-30 1991-05-07 Abc/Sebrn Techcorp. Syrup dispensing system
DD297123B5 (en) * 1990-08-07 1994-08-11 Wolfgang Dipl-Ing Schroeder Method and device for the metered filling of flowable media in containers
DE4341934A1 (en) * 1993-12-09 1995-06-14 Bosch Gmbh Robert Method and device for dosing and filling a liquid into packaging containers
DE19909281A1 (en) * 1999-03-03 2000-09-07 Tetra Laval Holdings & Finance Method and device for time-controlled dosing of liquid products

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117287A1 (en) * 1991-05-27 1992-12-03 Seitz Enzinger Noll Masch METHOD FOR FILLING BOTTLES, CAN OR THE LIKE CONTAINED AND FILLING MACHINE FOR CARRYING OUT THIS PROCESS
GB2288168A (en) * 1994-04-05 1995-10-11 Bwi Dawson Master - slave filling valve system for bottling machine
DE19951555A1 (en) * 1999-10-27 2001-05-03 Bausch & Stroebel Maschf Filler and dispenser incorporates pressure gauge, dispenser-control, capacity-monitor and weighing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9278842B2 (en) 2012-04-04 2016-03-08 Krones Ag Method for the control of a filling machine

Also Published As

Publication number Publication date
DE10306751A1 (en) 2004-09-02
DE502004008614D1 (en) 2009-01-22
EP1447329A1 (en) 2004-08-18
DE10306751B4 (en) 2005-06-09

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