EP0416473A1 - Tête de remplissage pour embouteilleuse à contre-pression - Google Patents

Tête de remplissage pour embouteilleuse à contre-pression Download PDF

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Publication number
EP0416473A1
EP0416473A1 EP90116705A EP90116705A EP0416473A1 EP 0416473 A1 EP0416473 A1 EP 0416473A1 EP 90116705 A EP90116705 A EP 90116705A EP 90116705 A EP90116705 A EP 90116705A EP 0416473 A1 EP0416473 A1 EP 0416473A1
Authority
EP
European Patent Office
Prior art keywords
filling
pressure
relief
control valve
element according
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
EP90116705A
Other languages
German (de)
English (en)
Other versions
EP0416473B1 (fr
Inventor
Ludwig Dipl.-Ing. Clüsserath (FH)
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.)
Seitz Enzinger Noll Maschinenbau AG
Original Assignee
Seitz Enzinger Noll Maschinenbau 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 Seitz Enzinger Noll Maschinenbau AG filed Critical Seitz Enzinger Noll Maschinenbau AG
Publication of EP0416473A1 publication Critical patent/EP0416473A1/fr
Application granted granted Critical
Publication of EP0416473B1 publication Critical patent/EP0416473B1/fr
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
    • B67C3/06—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
    • B67C3/12—Pressure-control devices

Definitions

  • the invention relates to a filling element for counterpressure filling machines for filling vessels, in particular bottles with a liquid filling material.
  • the vessel ie more precisely the gas space present in the filled vessel, is briefly relieved to the atmosphere after the end of the filling material inlet, namely in that a relief valve provided on the filling element is controlled by a control curve the filling machine is opened briefly and then closed again, so that due to the resulting relief of the gas space of the vessel to a low pressure value, the carbonic acid which is not firmly bound in the filled product can escape and the filled product can calm down before the final discharge to atmospheric pressure and the vessel is pulled off the associated filling element.
  • a disadvantage of this known method is, among other things, that a pre-relief on a defined one and it is also not always possible to achieve the same pre-relief pressure as would be required for economical filling with the greatest possible output. Since the relief valve of the filling elements is briefly opened by a control curve in the known case, it is fundamentally not possible to adapt the pre-relief to different filling properties.
  • a disadvantage in the known case is in particular that in the event of a malfunction or when the filling machine is at a standstill, the relief valve of certain filling elements remains open, that is to say, instead of a preliminary relief, the pressure is practically relieved to atmospheric pressure, with the result of severe discomfort and excessive foaming of the carbonated filling material in the vessels of these filling elements.
  • a method for filling carbonated contents, in particular beverages under counterpressure into vessels, and an associated filling machine have also been proposed (German patent application P 38 07 046.4), in which or after the filling material has ended, the respective vessel is at a defined pre-relief pressure is relieved, in that a chamber common to all the filling elements of this machine and acted upon by the pre-relief pressure is provided on the filling machine.
  • a control valve arrangement on the filling element then establishes a fluid connection to this chamber via a gas path.
  • the pre-relief pressure is specifically adjusted to a pressure between the atmospheric pressure and the saturation pressure of the filling material in such a way that during the pre-relief phase it is just possible for the released carbon dioxide to rise in the filled filling material without causing an undesirable pressure when relieving it to atmospheric pressure
  • the filling material escapes from the vessel (caused by the filling material foaming).
  • pre-relief pressure even one is very problematic with regard to its filling properties Matic filling material, such as sparkling wine or soft drinks and, at relatively high temperatures with high filling capacities, clean filling, ie filling without foaming or escaping of the filling material from the vessel or bottle.
  • the chamber for the pre-relief pressure and the necessary connection between the filling elements and this chamber result in a relatively complex construction for the filling machine.
  • the object of the invention is to show a filling element for a counterpressure filling machine which, with a simplified construction of the filling machine, nevertheless enables the vessels to be preloaded to a defined preload pressure.
  • the preliminary relief and subsequent relief of the respective vessel are carried out by corresponding control of the control valve arrangement in that, in an operating position of the control valve arrangement corresponding to the preliminary relief, the gas space present in the filled vessel above the filling material is connected via the control valve arrangement to the "second" section of the gas path which (section) leads to the atmosphere via the pressure control valve.
  • the respective vessel is finally relieved to atmospheric pressure by appropriately controlling the control valve arrangement via this and the "first" section of the gas path leading to the atmosphere.
  • the pressure control valve enables a defined pre-relief pressure, which is generally between atmospheric pressure and the filling pressure, but can in principle be set to any desired pressure by different selection and / or setting of the pressure control valve in order to achieve optimal filling results.
  • the pre-relief pressure can also can be set to a pressure between the atmospheric pressure and the saturation pressure of the filling material, in order to achieve the associated advantages already mentioned.
  • the pre-relief pressure in the filling element according to the invention can also be set to a different pressure.
  • each filling element naturally has its own pressure control valve, so that a chamber common to the filling elements of this filling machine for the pre-relief pressure and also connections between the filling elements and such a chamber are omitted.
  • the invention offers the possibility of providing such filling machines, which do not have a chamber for the pre-relief pressure common to all filling elements, with a pre-relief to a defined pre-relief pressure, namely e.g. also in that existing filling elements on a filling machine, which do not allow preliminary relief, are replaced by those according to the invention.
  • Another advantage of the invention is that, despite the simplified construction, the desired, defined pre-relief pressure is achieved even in the event of a malfunction or a possible machine downtime.
  • 1 is a filling element of a counter-pressure filling machine, for example a counter-pressure filling machine of rotating type, which has no filling tube, and which then has a plurality of such filling elements 1 in a known manner on a rotor rotating around a vertical machine axis.
  • the filling element 1 consists of a housing formed by the two housing parts 2 and 3, of which e.g. the upper housing part 2 is already part of the rotor rotating around the vertical machine axis or a liquid container provided there for the liquid filling material to be filled.
  • a liquid channel 4 for the filling material to be filled is formed in the interior of the housing consisting of the two housing parts 2 and 3.
  • the controlled liquid valve 6 is also located in this liquid channel 4, which forms the discharge opening 5 for the filling material on the underside of the filling element 1 or the housing part 3.
  • the filling element 1 furthermore has a gas pipe 10 which projects over the underside of the housing part 3 and is enclosed by the annular discharge opening 5.
  • a return gas channel 11 is formed, via which when the bottle 7 is filled, i.e. with the liquid valve 6 open, the gas displaced from the interior of the bottle 7 by the inflowing filling material is discharged.
  • the filling element 1 furthermore has a control valve arrangement 12 which is suitably attached laterally to the filling element 1 with its housing formed by the two housing parts 13 and 14.
  • a first channel 15 is formed, which has one end connected to an end of a channel 16 provided in the housing part 3, the other end of which on the underside of the filling element 1 or of the housing part 3 is open, in the vicinity of the discharge opening 5 in the area enclosed by the sealing ring 9.
  • the other end of the channel 15 ends at a control valve element 17 of the control valve arrangement 12 which is designed as a rotary or flat slide valve.
  • a second channel 18 and a third channel 19 are provided in the housing part 13, of which the second channel 18 continues in a channel 20 in the housing part 14.
  • the channel 20 leads to the atmosphere via a pressure control valve 21.
  • the pressure control valve 21 has a ball 22 as a valve body, which is pressed by means of a compression spring 23 with a predetermined spring force against a valve seat formed by a sealing ring 24 at the end of the channel 20, in a direction opposite to the gas flow in the channel 20.
  • a throttle device 25 is also provided in the channel 20, by means of which the effective cross section of the channel 20 is reduced to a predetermined length over a predetermined length.
  • the channel 19 continues in a channel 26 which is likewise formed in the housing part 14 and is open directly to the atmosphere.
  • a nozzle or throttle device 27 is likewise provided at the connection area between the two channels 19 and 26.
  • the open ends of the channels 18 and 19, which are distant from the channels 20 and 26, are provided directly on the control valve element 17, but spatially offset from one another in such a way that in a position of the control valve element 17 which (position) corresponds to the “pre-relief” operating position, only a fluid connection between the channel 15 and the channel 18, while in another position of the control valve element 17, which (position) corresponds to the operating position "discharge”, there is a fluid connection between the channel 15 and the channel 19, possibly also at the same time with the channel 18 .
  • the control valve element 17 has at least one further position in which the control valve element 17 closes the adjacent end of the channel 15, so that in particular there is no fluid connection either to the channel 18 or to the channel 19.
  • control valve element 17 is drivingly connected to a pivot pin-like element 29 which is rotatably mounted in the housing part 14.
  • This element 29 carries at its end protruding from the housing part 14 an actuating lever or another suitable actuating element 30 which cooperates with control elements, for example control cams or control cams, which are attached to a fixed control ring of the filling machine at intervals or in different levels.
  • the channel 15 is closed by the control valve element 17 during the prestressing and during the filling of the bottle 7.
  • the pre-relief then takes place with the liquid valve 6 closed.
  • the actuating lever 30 and by this cooperating control elements brought the control valve element 17 into a position in which there is a fluid connection between the channel 15 and the channel 18.
  • the gas present in the gas space of the bottle 7 above the filling level there can escape via the gas path formed by the channels 16, 15, 28, 18 and 20 as long as the pressure in this gas space is higher than that pressure , in which the pressure control valve 21 closes.
  • This closing pressure of the pressure control valve 21, which is essentially determined by the force of the compression spring 23 and by the effective cross section of the channel 20 in the region of the sealing ring 24 and forms the pre-relief pressure, ie the pressure at the end of the pre-relief, is in any case less than that Pressure when filling.
  • the closing pressure of the pressure regulating valve and thus the pre-relief pressure are also selected taking into account the contents to be filled and their filling properties so that optimal conditions result when pre-relieving, but also when relieving to atmospheric pressure.
  • control valve element 17 is brought into the position in which the fluid connection exists between the channel 15 and the channel 19, with the throttle device 27 also avoiding an abrupt pressure reduction in the bottle 7.
  • a pressure control valve 21a is shown in FIG. 3, which enables a manual setting of the pressure at which the pressure control valve 21a opens or closes.
  • the pressure control valve 21a is the same as the pressure control valve 21 is constructed and in turn consists of the ball 22, the compression spring 23, which is supported at one end against the ball 22 and at the other end against a housing-side support surface, and from the sealing ring 24 forming the valve seat.
  • the housing-side support surface for the return spring 23, however, in the pressure control valve 21a is formed by one end of an adjusting screw 31, with the aid of which the pretension of the compression spring 23 and thus the relief pressure can be adjusted.
  • FIG. 4 shows a filling element 1 a which differs from the filling element 1 only in the control valve arrangement 32 which controls the pre-relief and relief.
  • This control valve arrangement 32 has a housing 33, in which a channel 34 is formed, which is closed in the same way as the channel 15 on the channel 16 of the housing part 3.
  • the channel 34 leads to an annular inlet chamber 35 of a first tappet valve 36, which is also formed in the housing 33.
  • the annular chamber 35 is connected via a section of the channel 34 to the annular inlet chamber 37 of a second tappet valve 38, also formed in the housing 33.
  • a channel 40 is connected to the outlet chamber 39 of the tappet valve 36 and is connected via a seal 41 to a channel (not shown) that is unpressurized, ie leading to the atmosphere, to relieve atmospheric pressure.
  • the output chamber 42 of the tappet valve 38 is connected via a channel 43 to the pressure control valve 21b leading to the atmosphere, which corresponds to the pressure control valve 21 in terms of its construction and mode of operation and, in the region of the sealing ring 24, has the throttle device 25 corresponding to the throttle device 25 '.
  • the tappet valves 36 and 38 each have a valve tappet 44 which can be moved back and forth in an axial direction which is coaxial with the axis of the annular inlet and outlet chambers 35 and 39 or 37 and 40.
  • valve lifters 44 are movable in the vertical direction, the respective valve lifter 44 in its lower position interrupts the fluid connection between the associated inlet chamber 35 or 37 and the associated outlet chamber 39 or 42 and in its upper position enables a fluid connection between the inlet chamber 35 or 37 and outlet chamber 39 or 42, due to the reduced diameter, which each valve lifter 44 has in its central region.
  • a throttle device 45 is provided in front of the tappet valves 36 and 38, which is adjustable in this embodiment.
  • the tappet valves 36 and 38 or their valve tappets 44 are controlled by stationary control cams which act on the upper and lower ends of the valve tappets 44. During the prestressing and filling of the respective bottle 7, both valve lifters 44 are in their lower position. For the preliminary relief, to open the tappet valve 38, the valve tappet 44 of this valve is first moved upward. The relieving to atmospheric pressure is then delayed, i.e. then, when the filling element in question has reached a predetermined position when the rotor rotates, the tappet valve 36 also opens.
  • the invention has been described above on a filler element without fill tube.
  • the filling element itself can also have a different design, i.e. for example a filling element with filling tube, probe, etc.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP90116705A 1989-09-02 1990-08-31 Tête de remplissage pour embouteilleuse à contre-pression Expired - Lifetime EP0416473B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929202A DE3929202A1 (de) 1989-09-02 1989-09-02 Fuellelement fuer gegendruck-fuellmaschinen
DE3929202 1989-09-02

Publications (2)

Publication Number Publication Date
EP0416473A1 true EP0416473A1 (fr) 1991-03-13
EP0416473B1 EP0416473B1 (fr) 1992-10-07

Family

ID=6388519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116705A Expired - Lifetime EP0416473B1 (fr) 1989-09-02 1990-08-31 Tête de remplissage pour embouteilleuse à contre-pression

Country Status (3)

Country Link
EP (1) EP0416473B1 (fr)
DE (2) DE3929202A1 (fr)
ES (1) ES2035692T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0582936A1 (fr) * 1992-08-08 1994-02-16 Manfred Dr.-Ing. Mette Dispositif de remplissage à contre-pression destiné à l'embouteillage de boissons carbonatées
EP0637566A1 (fr) * 1993-08-05 1995-02-08 Manfred Dr.-Ing. Mette Procédé et dispositif de remplissage pauvre en oxygène de récipients avec des boissons

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1782402A1 (de) * 1968-08-27 1971-08-12 Noll Maschfab Gmbh Im Fuellerkessel zum Teil unter Fluessigkeit stechendes Gegendruckfuellorgan fuer Flaschen u.dgl.
EP0291971A2 (fr) * 1987-05-22 1988-11-23 Seitz Enzinger Noll Maschinenbau Aktiengesellschaft Méthode et dispositif de remplissage, sous contre-pression, de récipients ou analogue avec un liquide carbonaté, en particulier des boissons
EP0331137A1 (fr) * 1988-03-04 1989-09-06 KHS Maschinen- und Anlagenbau Aktiengesellschaft Procédé et dispositif de remplissage, sous contre-pression, de récipients avec des liquides carbonatés, en particulier des boissons

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1782402A1 (de) * 1968-08-27 1971-08-12 Noll Maschfab Gmbh Im Fuellerkessel zum Teil unter Fluessigkeit stechendes Gegendruckfuellorgan fuer Flaschen u.dgl.
EP0291971A2 (fr) * 1987-05-22 1988-11-23 Seitz Enzinger Noll Maschinenbau Aktiengesellschaft Méthode et dispositif de remplissage, sous contre-pression, de récipients ou analogue avec un liquide carbonaté, en particulier des boissons
EP0331137A1 (fr) * 1988-03-04 1989-09-06 KHS Maschinen- und Anlagenbau Aktiengesellschaft Procédé et dispositif de remplissage, sous contre-pression, de récipients avec des liquides carbonatés, en particulier des boissons

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0582936A1 (fr) * 1992-08-08 1994-02-16 Manfred Dr.-Ing. Mette Dispositif de remplissage à contre-pression destiné à l'embouteillage de boissons carbonatées
EP0637566A1 (fr) * 1993-08-05 1995-02-08 Manfred Dr.-Ing. Mette Procédé et dispositif de remplissage pauvre en oxygène de récipients avec des boissons

Also Published As

Publication number Publication date
EP0416473B1 (fr) 1992-10-07
DE3929202A1 (de) 1991-03-07
ES2035692T3 (es) 1993-04-16
DE59000345D1 (de) 1992-11-12

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