EP3241802B1 - Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide - Google Patents

Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide Download PDF

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Publication number
EP3241802B1
EP3241802B1 EP16168359.4A EP16168359A EP3241802B1 EP 3241802 B1 EP3241802 B1 EP 3241802B1 EP 16168359 A EP16168359 A EP 16168359A EP 3241802 B1 EP3241802 B1 EP 3241802B1
Authority
EP
European Patent Office
Prior art keywords
ring main
filling
valve
filling line
tank
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
EP16168359.4A
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German (de)
English (en)
Other versions
EP3241802A1 (fr
Inventor
Per Kempe
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Priority to EP16168359.4A priority Critical patent/EP3241802B1/fr
Priority to DK16168359.4T priority patent/DK3241802T3/da
Publication of EP3241802A1 publication Critical patent/EP3241802A1/fr
Application granted granted Critical
Publication of EP3241802B1 publication Critical patent/EP3241802B1/fr
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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

Definitions

  • the present invention relates to a filling line for a liquid or semi-liquid food product, such as UHT milk.
  • Such a filling line according to the preamble of claim 1 is disclosed in WO 03/078083 A2 .
  • a filling line for a liquid or semi-liquid food product comprising: a tank adapted to contain amounts of the liquid or semi-liquid food product; at least two filling machines adapted to fill said product into packages; piping including a ring main for supplying said product from the tank to the at least two filling machines; and at least one damper provided on the ring main and adapted to dampen pressure fluctuations.
  • a 'ring main' may here be construed as a loop or ring in which the product may flow, circulate or otherwise be present.
  • 'Semi-liquid' means that the product may have the qualities of both a liquid and a solid.
  • the ring main in combination with the at least one damper provides a significant improvement (reduction) in pressure fluctuations. This has been shown by simulations.
  • the ring main in combination with the at least one damper further enables use of a larger variation of filling machines in combination.
  • the at least two filling machines may be connected to the ring main, wherein the tank is in fluid communication with the ring main via a valve configured to selectively provide a three-way junction between the tank and the ring main.
  • the filling line may be configured such that during production said product flows from the tank, into the ring main, and both clockwise and counter clockwise in the ring main to the at least two filling machines. No pump is typically provided on the ring main. Even if there is a pump, it would be deactivated.
  • WO 2016/001144 A1 discloses a system with a first flow path and a second flow path that provide a circulation flow part, but only together with a single filling machine. Further, the product in WO 2016/001144 A1 is circulated clockwise using in a pump.
  • the valve may include a tank inlet and two ring main outlets, wherein the valve has a first valve position and a second valve position, wherein in the first valve position the valve permits connection of said tank inlet to only one of the ring main outlets, and wherein in the second valve position the valve permits connection of said inlet to both said ring main outlets.
  • the at least two filling machines may be of different types. Alternatively they may be of the same type, but run at different speeds.
  • the at least two filling machines may comprise a first filling machine and a second filling machine, wherein the at least one damper comprises a damper connected to the ring main between the first filling machine and the second filling machine.
  • the damper could be connected to the ring main before or after the first and second filling machines.
  • the filling line may further comprise another damper provided on the ring main before or after the first and second filling machines.
  • the filling line may comprise even more dampers, in particular if there are more than two filling machines.
  • the at least one damper may comprise two upright pipe portions interconnected at the top by a bridging pipe portion and connected at the bottom to the ring main.
  • the damper may for example have an upside-down U-shape.
  • the damper may be filled with sterile air when draining the tank after sterilization, and during production the air in the damper provides an (upper) air cushion which dampens pressure peaks.
  • a temperature transmitter may be provided at the bridging pipe portion.
  • the temperature transmitter which basically is a thermometer, may be used to monitor that a high enough temperature has been achieved during sterilization.
  • One of the two upright pipe portions may be connected to the ring main via a three-port valve.
  • the three-port valve is open.
  • the valve is flipped to clean the seat of the valve.
  • the filling line may be aseptic, and the product may for example be UHT milk.
  • a method of operating a filling line according to the first aspect comprising: flowing said product from the tank, into the ring main, and both clockwise and counter clockwise in the ring main to the at least two filling machines.
  • This aspect may exhibit the same or similar features and technical effects as the first aspect, and vice versa.
  • Fig. 1 shows a filling line 10 to an embodiment of the present invention.
  • the filling line 10 may be aseptic.
  • the product handled by the line 10 may for example be UHT milk, other beverages, puddings, etc.
  • the filling line 10 comprises a tank 12.
  • the tank 12 is adapted to contain a liquid or semi-liquid food product 14, such as the aforementioned UHT milk.
  • the tank 12 may for example be Tetra Alsafe aseptic tank.
  • the filling line 10 further comprises a first filling machine 16a and a second filling machine 16b.
  • Each filling machine 16a-b is adapted to fill said product into packages (not shown).
  • the two filling machines 16a-b may be of different type, for example Tetra Pak A3/Speed and Tetra Pak A3/Flex. Alternatively, the two filling machines 16a-b may be of the same type, but run at different speeds (# of liters or packages per hour).
  • the filling line 10 further comprises piping including a ring main 18 for supplying said product from the tank 12 to the two filling machines 16a-b.
  • the ring main 18 is dashed in fig. 1 .
  • the ring main 18 may be construed as a loop or ring in which the product may flow or otherwise be present.
  • the two filling machines 16a-b are connected to the ring main 18.
  • Each filling machine 16a-b may for example be connected to the ring main 18 via a diversion valve.
  • the tank 12 is in fluid communication with the ring main 18 via a valve 20.
  • the valve 20 may form part of a valve cluster module associated with the tank 12.
  • the valve cluster module generally directs product flow, sterile air, cleaning liquids and steam.
  • the valve 20 is generally configured to selectively provide a three-way junction 22 between the ring main 18 and pipe 24 coming from the tank 12.
  • the valve 20 may include an inlet 20a connected to pipe 24, and two ring main outlets 20b-c, as shown in fig. 1 .
  • the valve 20 may further have a first valve position and a second valve position. In the first valve position, the valve 20 permits connection of inlet 20a only to ring main outlet 20b, but not to ring main outlet 20c. Also in the first valve position, ring main outlet 20c may be connected to pipe 25, which in turn may be connected to a drain or reclaim system (not shown). In the second valve position, the valve 20 permits connection of inlet 20a to both ring main outlets 20b-c, whereby the aforementioned three-way junction 22 in effect is formed. Also in the second valve position, ring main outlet 20c may be disconnected from pipe 25.
  • the filling line 10 further comprises a damper 26.
  • the damper 26 is adapted to (further) dampen pressure fluctuations in the filling line 10.
  • the damper 26 is provided on the ring main 18.
  • the damper 26 is connected to the ring main 18 between the first filling machine 16a and the second filling machine 16b.
  • Another damper 16' can be connected before or after the filling machines 16a-b, for example to the right of the second filling machine 16b as shown in fig. 1 .
  • the damper 26 (or 26') is shown in more detail in fig. 2 .
  • the damper 26 comprises two upright, parallel pipe portions 28a-b.
  • the height of the upright pipe portions 28a-b may for example be approximately 1500 mm.
  • the upright pipe portions 28a-b may have the same width or diameter.
  • a temperature transmitter 32 may be arranged at the bridging pipe portion 30, for securing temperature during sterilization.
  • the temperature transmitter 32 may for example be Pt100.
  • the upright pipe portions 28a-b are connected to the ring main 18.
  • One upright pipe portion 28b may be connected to the ring main 18 via a three-port valve 34.
  • the three-port valve has an open valve position in which a T-shaped fluid passageway is created, and a closed valve position in which the ring main 18 between the upright pipe portions 28a-b is closed.
  • the open valve position may be used during production.
  • the valve 34 may be flipped, i.e. quickly switched between the open and closed valve positions, in order to clean the seat of the valve 34.
  • the present damper 26 has low complexity and low cost.
  • the damper 26 may be filled with sterile air when draining the tank 12 after sterilization.
  • the valve 20 is in the first valve position, whereby the product 14 flows from the tank 12 via pipe 24 into the ring main 18, where it is transported clockwise. Superfluous amounts of the product returned to valve 20 may be drained or reclaimed via pipe 25.
  • the valve 20 is in the second valve position, whereby the product 14 flows from the tank 12 via the pipe 24 into the ring main 18, where it is transported both clockwise and counter clockwise (as illustrated by the two curved arrows in fig.
  • the product may move bi-directionally in the ring main 18.
  • the ring main 18 may be referred to as a double feed ring main.
  • the air provides an air cushion 36 which dampens pressure peaks.
  • Fig. 3 shows the result of a simulation of the filling line 10 wherein both the first and the second filling machine is a Tetra Pak A3/Speed, but where the former (A3_1) is running at higher speed than the latter (A3_2).
  • the graph of fig. 3 shows the pressures at the filling machines' inlets. The time scale is in seconds. The pressure at the outlet of the tank 12 was 2.1 bar.
  • the simulation shows that the ring main 18 in combination with the damper 26 provides a significant improvement (reduction) in pressure fluctuations, for example compared to a case where the damper 26 is omitted.
  • the tank modified with both an outlet and an inlet could form part of the ring main.
  • the filling line could include additional filling machines and dampers.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Claims (12)

  1. Ligne de remplissage (10) pour un produit alimentaire liquide ou semi-liquide, la ligne de remplissage comprenant:
    un réservoir (12) adapté pour contenir des quantités du produit alimentaire liquide ou semi-liquide (14);
    au moins deux machines de remplissage (16a-b) adaptées pour verser ledit produit dans des emballages;
    au moins un amortisseur (26) adapté pour amortir des fluctuations de pression,
    caractérisée par
    des canalisations comprenant une conduite annulaire (18) pour fournir ledit produit à partir du réservoir jusqu'auxdites au moins deux machines de remplissage; et
    l'amortisseur (26) étant prévu sur la conduite annulaire.
  2. Ligne de remplissage selon la revendication 1, dans laquelle lesdites au moins deux machines de remplissage sont connectées à la conduite annulaire, et dans laquelle le réservoir est en communication fluidique avec la conduite annulaire par l'intermédiaire d'une soupape (20) configurée de manière à établir de façon sélective une jonction à trois voies (22) entre le réservoir et la conduite annulaire.
  3. Ligne de remplissage selon la revendication 1 ou 2, configurée de telle sorte que, pendant la production, ledit produit s'écoule à partir du réservoir, dans la conduite annulaire, et à la fois dans le sens horaire et dans le sens antihoraire dans la conduite annulaire jusqu'auxdites au moins deux machines de remplissage.
  4. Système de remplissage selon la revendication 2, dans laquelle la soupape comprend une entrée de réservoir (20a) et deux sorties de conduite annulaire (20b-c), dans laquelle la soupape présente une première position de soupape et une seconde position de soupape, dans laquelle, dans la première position de soupape, la soupape permet une connexion de ladite entrée de réservoir à une seule (20b) des sorties de conduite annulaire, et dans laquelle, dans la seconde position de soupape, la soupape permet une connexion de ladite entrée de réservoir auxdites deux sorties de conduite annulaire.
  5. Ligne de remplissage selon l'une quelconque des revendications précédentes, dans laquelle lesdites au moins deux machines de remplissage sont de type différent.
  6. Ligne de remplissage selon l'une quelconque des revendications précédentes, dans laquelle lesdites au moins deux machines de remplissage comprennent une première machine de remplissage (16a) et une seconde machine de remplissage (16b), et dans laquelle ledit au moins un amortisseur comprend un amortisseur (26) qui est connecté à la conduite annulaire entre la première machine de remplissage et la second machine de remplissage.
  7. Ligne de remplissage selon la revendication 6, comprenant en outre un autre amortisseur (26') qui est prévu sur la conduite annulaire avant ou après les première et seconde machines de remplissage.
  8. Ligne de remplissage selon l'une quelconque des revendications précédentes, dans laquelle ledit au moins un amortisseur comprend deux parties de tuyau verticales (28a-b) interconnectées au sommet par une partie de tuyau de raccordement (30) et connectées à la base à la conduite annulaire.
  9. Ligne de remplissage selon la revendication 8, dans laquelle un transmetteur de température (32) est prévu au niveau de la partie de tuyau de raccordement.
  10. Ligne de remplissage selon la revendication 8 ou 9, dans laquelle une des deux parties de tuyau verticale est connectée à la conduite annulaire par l'intermédiaire d'une soupape à trois voies (34).
  11. Ligne de remplissage selon l'une quelconque des revendications précédentes, dans laquelle la ligne de remplissage est aseptique.
  12. Procédé de fonctionnement d'une ligne de remplissage (10) selon l'une quelconque des revendications précédentes, dans lequel le procédé comprend l'écoulement dudit produit à partir du réservoir (12), dans la conduite annulaire (18), et à la fois dans le sens horaire et dans le sens antihoraire dans la conduite annulaire jusqu'auxdites au moins deux machines de remplissage (16a-b).
EP16168359.4A 2016-05-04 2016-05-04 Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide Active EP3241802B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16168359.4A EP3241802B1 (fr) 2016-05-04 2016-05-04 Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide
DK16168359.4T DK3241802T3 (da) 2016-05-04 2016-05-04 Påfyldningslinje til et væskeformigt eller semivæskeformigt fødevareprodukt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16168359.4A EP3241802B1 (fr) 2016-05-04 2016-05-04 Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide

Publications (2)

Publication Number Publication Date
EP3241802A1 EP3241802A1 (fr) 2017-11-08
EP3241802B1 true EP3241802B1 (fr) 2019-05-01

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ID=55967072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16168359.4A Active EP3241802B1 (fr) 2016-05-04 2016-05-04 Ligne de remplissage pour un produit alimentaire liquide ou semi-liquide

Country Status (2)

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EP (1) EP3241802B1 (fr)
DK (1) DK3241802T3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1761313A1 (de) * 1967-05-10 1971-05-13 Sordi M Gegendruck-Ventilvorrichtung fuer einen Kreislauf zur Speisung einer Maschine fuer die keimfreie Verpackung von Fluessigkeiten
DE19706578C2 (de) * 1997-02-20 1999-08-19 Till Gea Gmbh & Co Druckstoßkompensator und Verfahren zur Konstanthaltung des Fülldrucks einer Produktflüssigkeit
AT411386B (de) * 2002-03-15 2003-12-29 Sauer Klaus Verfahren und einrichtung zum dämpfen von druckstössen von in einer flüssigkeitsleitung strömenden flüssigkeiten
EP3160244B1 (fr) 2014-06-30 2018-03-07 Tetra Laval Holdings & Finance SA Procédé pour vider efficacement un système avec un produit liquide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DK3241802T3 (da) 2019-07-29
EP3241802A1 (fr) 2017-11-08

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