EP3019436B1 - Dispositif de remplissage et methode de traiter des recipients avec un gaz de procédé - Google Patents

Dispositif de remplissage et methode de traiter des recipients avec un gaz de procédé Download PDF

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Publication number
EP3019436B1
EP3019436B1 EP14739372.2A EP14739372A EP3019436B1 EP 3019436 B1 EP3019436 B1 EP 3019436B1 EP 14739372 A EP14739372 A EP 14739372A EP 3019436 B1 EP3019436 B1 EP 3019436B1
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EP
European Patent Office
Prior art keywords
gas
container
valve
filling
valve body
Prior art date
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Active
Application number
EP14739372.2A
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German (de)
English (en)
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EP3019436A1 (fr
Inventor
Ludwig Clüsserath
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KHS GmbH
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KHS GmbH
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Publication date
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Priority to SI201430308T priority Critical patent/SI3019436T1/sl
Publication of EP3019436A1 publication Critical patent/EP3019436A1/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
    • 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
    • B67C3/10—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 preliminary filling with inert gases, e.g. carbon dioxide
    • 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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2614—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling
    • B67C3/2625—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling the liquid valve being opened automatically when a given counter-pressure is obtained in the container to be filled
    • B67C3/2628—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling the liquid valve being opened automatically when a given counter-pressure is obtained in the container to be filled and the filling operation stopping when the liquid rises to a level at which it closes a vent opening
    • 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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C2003/2602—Details of vent-tubes

Definitions

  • the invention relates to a filling system according to the preamble of claim 1 and to a method for treating containers with a process gas.
  • a valve body which opens the annular channel and provided in the interior of the gas pipe gas channel to the gas space of the Basgutkessels out with closed liquid valve for biasing the arranged in sealing position on the filling container container to form two parallel flow paths.
  • the liquid valve When the liquid valve is open, the two gas channels are still connected to the gas space of the product, but by a provided on the gas pipe valve body but the connection between the space occupied by the filling material of the filling element and the annular channel is blocked.
  • Filling systems are also known DE 10 2010 022 985 A1 in which the containers arranged in sealing position on the filling element per unit time flowing or flowing out of this container amount of gas or process gas is controllable by a switching valve which is drivingly or mechanically switchable between at least two switching states by the actuator of the liquid valve of the respective filling element, in such a way that the gas path in question in the first state a first larger Flow cross section for a biasing and in the second state has a second, for example reduced flow cross-section for a return gas during pressure filling.
  • these filling systems or their filling elements require additional, for example, pneumatically actuated control valves.
  • a disadvantage of previously known filling systems or methods for treating containers is, inter alia, that when rinsing to achieve the highest possible ambient air displacement a relatively high amount of purge gas is consumed. As a result, the filling of the container is significantly more expensive.
  • the object of the invention is to provide a filling system and a method for treating containers with a process gas, which allows a particularly effective rinsing of the respective container interior with low consumption of purge gas.
  • a filling system according to claim 1 and a method for treating containers according to claim 19 are formed.
  • the invention first relates to a filling system for filling bottles or similar containers with a liquid product according to claim 1, including a Playlist, in which during filling a lower, occupied by the contents liquid space and above a gas space are formed with at least a arranged below the Golfgutkessels filling element with a Playlist in which a communicating with the liquid chamber liquid channel is formed, which forms a Playgutabgabeö réelle at one of the Golfgutkessel underside of the Golfelementabgabeö réelle with a arranged in the liquid channel liquid valve with valve body on an axis co-with a Greelementachse arranged valve stem provided and for opening and closing of the liquid valve and for a controlled discharge of the filling material in the container arranged on the filling element axially movable i St, with a formed in the valve stem first gas channel, which opens at an upper end in the gas space of the Bestgutkessels and at the lower end in a headspace of the filling element arranged container, with a
  • the essential aspect of the filling system according to the invention is that in the gas valve body, a second gas channel is formed, which is formed at least temporarily fluid-tight connectable to the first gas channel.
  • a further, second gas valve can be provided, via which an admission of the container interior with a process gas with a smaller volume flow in comparison to the opening of the first gas valve is made possible.
  • a multi-stage admission of the container to a process gas can be achieved, wherein the volume flow of the gas supplied into the container interior is different at the respective stages.
  • the second gas channel has a reduced cross section compared to the first gas channel.
  • the volume flow of the process gas is throttled by the reduced cross section in the second gas channel.
  • a throttle for reducing the gas flow through the second gas channel may be provided in the second gas channel.
  • the throttle preferably has a bore with a diameter of 0.5 - 2.0 mm with a throttle thickness in the flow direction of the gas of 0.3 mm - 1.0 mm.
  • the gas valve body has an opening which is arranged in the gas space and forms a second gas valve, by means of which a gas flow through the first and second gas ducts into the container arranged on the filling element is made possible in the opened state.
  • the second gas channel is preferably connected in a fluid-tight manner to the first gas channel formed in the valve tappet.
  • the rinsing process is preferably carried out in two successive process steps, namely in a first method step in which the container interior is evacuated by connection to a vacuum source and then the actual rinsing of the container by blowing in the rinsing gas takes place in a second, subsequent process step.
  • the container interior preferably still remains connected to the vacuum source, so that the blowing of the purge gas takes place in a vacuum or high vacuum in the container interior.
  • the purge gas is introduced or injected on the basis of the throttling of the volumetric flow in the second gas channel or due to the pressure contained in the gas space such that at most a small increase in pressure results in the interior of the container, for example a pressure increase of at most 0.05 bar to 0.2 bar ,
  • a pressure increase of at most 0.05 bar to 0.2 bar may be that after closing the purge gas, the connection with the vacuum source remains open for a certain period of time, so that the original negative pressure can be restored in the container. But this is by no means absolutely necessary.
  • the opening can be opened or closed via a first partial stroke of the actuating element.
  • only the second gas valve is opened, with the first gas valve still closed, i. the second gas channel is fluid-tightly connected to the first gas channel.
  • the flushing of the container interior can be effected by a first partial stroke of the actuating element with a process gas having a throttled volume flow.
  • the gas valve body for opening and closing the first gas valve in the Artelementachse is movable and cooperates with a formed in the first gas passage valve surface. That is, the gas valve body is raised to open the first gas valve along the Ranelementachse, so that the sealing seat of the gas valve body is released in the provided in the valve stem bore or the valve seat provided there. In the reverse direction, the gas valve body is lowered to close the first gas valve along the Ranelementachse, so that a sealing seat between the gas valve body and the valve seat formed in the valve stem is achieved.
  • This can be done by a and the same actuating element, which is designed to effect a two-stage lifting movement, both the first gas valve and the second gas valve are actuated.
  • the first gas valve is designed to effect a larger gas flow per unit time than the second gas valve.
  • a throttled volume flow of process gas into the container interior can be achieved in comparison with the opening of the first gas valve.
  • the gas valve body of the first gas valve is received with a partial length in the first gas channel and protrudes with an upper end of the first gas channel. Furthermore, it preferably cooperates with this end with the actuating element.
  • the first gas channel can be formed stepped, with the first gas channel extended stepwise by the gradation upwards.
  • the gas valve body can be partially received in an upper region of the first gas channel.
  • the opening of the gas valve body forming the second gas valve is provided on a partial length projecting beyond the first gas channel, in particular on the upper end side of the gas valve body.
  • the actuating element by two coaxially with each other and preferably also coaxially with the Greelementachse arranged lifting elements, hereinafter also called piston-cylinder arrangements, formed, of which a first lifting element acts via a plunger and an adapter on the gas valve body and of which a second Lifting element forms a stop for the lifting movement of the first lifting element in such a way that in a first State of the second lifting element of the stroke of the first lifting element is limited to a first partial stroke and in a second state of the second lifting element, the second lifting element is raised by a second partial stroke, so that the stroke of the first lifting element is increased to the sum of the two partial strokes.
  • a two-stage lifting movement of the plunger can be realized, wherein only the second gas valve is opened during the first partial stroke and when completing the second partial stroke following the first partial stroke, the first gas valve is also opened.
  • the adapter causes in the lowered, lower state of the first lifting element sealing the opening and thus closing the second gas valve.
  • the adapter preferably has a surface section which, in the lowered state of the first lifting element, presses on a seal or sealing surface provided on the opening in order to effect the closure of the second gas valve.
  • the closure effecting surface portion of the adapter lifted from the opening and thus the second gas valve is opened.
  • the first gas valve remains closed due to the further lowered gas valve body.
  • the second gas valve can be opened by the multi-stage lifting movement of the actuating element after completion of the first partial stroke by releasing the sealing seat of the adapter from the gas valve body.
  • the adapter preferably has a first control surface which does not come into contact with the gas valve body during the first partial stroke and against which the gas valve body partially rests during the second partial stroke of the lifting element in order to lift the gas valve body out of the sealing position of the valve surface formed in the first gas duct ,
  • the adapter has a hook-shaped section which is designed to engage behind a projection of the gas valve body, referred to below as the control section.
  • the first control surface is provided, the abuts against the projection of the gas valve body during the second partial stroke and thus raises the gas valve body at an upward movement of the plunger upwards.
  • the adapter has a second control surface which cooperates with the valve tappet for closing the liquid valve.
  • the second control surface is in particular a surface opposite the first control surface, which is provided, for example, on the hook-shaped section of the adapter.
  • this second control surface of the adapter preferably acts on the upper side of the valve stem, for example on a flange-like projection, so that by the actuator when returning to the starting position, in which the plunger is advanced maximum in the product container, closing the liquid valve by pressing the valve body is reached to the valve seat.
  • this causes the actuating element not only an actuation of the first and second gas valve but also an active closing of the liquid valve.
  • the liquid valve has an opening spring which biases the liquid valve in its open state.
  • This opening spring which is designed in particular as a compression spring, in this case has a spring force which is dimensioned such that upon reaching a certain biasing pressure within the container, the spring force of the opening spring against the gravity of the valve body and the valve stem and the fluid column on the valve body predominates (frictional forces negligible), so that the liquid valve is opened automatically by the opening spring, ie without the action of another, actively actuated drive means.
  • the second gas channel can be connected, at least temporarily, to a further gas space which is independent of the gas space of the product vessel. This takes place, for example, via a gas channel provided in the plunger of the actuating device, which establishes a connection to the further gas space, for example via at least one further line and optionally at least one valve.
  • the second gas channel may be connectable to flush the container to be filled with the gas space and for biasing the container with the other gas space. This makes it possible that in particular the biasing process by applying the container interior is carried out with a process gas that is different from the gas contained in the gas space of the product container. As a result, the tempering process can be carried out with a more favorable process gas.
  • the invention further relates to a method for treating containers with a process gas before filling according to claim 18 using a filling element to which the respective container is arranged during the treatment in a sealing layer and introduced via the process gas in the container and a Process gas and a displaced from this gas and / or vapor medium, for example, air is discharged from the container, and wherein the container evacuated prior to introducing a process gas or is acted upon by the vacuum of a vacuum source, wherein the filling element has a first gas channel, which opens at an upper end into the gas space of the product container and at the lower end in a headspace of the container arranged on the filling element, wherein in the first gas channel, a first gas valve is provided with a movable opening and closing of the first gas valve gas valve body.
  • a formed in the gas valve body and at least temporarily fluid-tightly connected to the first gas channel second gas channel with a second gas valve after the application of the container with the vacuum an introduction of a first process gas for flushing the container by opening the second gas valve, wherein the container during the flushing continue with the Vacuum source is connected. Furthermore, after the flushing of the container by opening the first gas valve, a biasing of the container with a second process gas, wherein the volume flow of the second process gas through the first gas valve during biasing of the container is greater than the volume flow of the first process gas through the second gas valve during purging of the container.
  • the first process gas may in this case be the same as the second process gas, but the use of different process gases is preferred.
  • the volumetric flow of the first process gas introduced into the container during rinsing and the vacuum of the vacuum source are set such that a rinsing pressure equal to or slightly above or below the ambient pressure prevails in the first process gas flowing through the container interior Ambient pressure is.
  • the pressure and / or volume flow of the first process gas and the pressure of the vacuum source can be adjusted so that a purge pressure between 0.05 bar and 0.45 bar results, these values being absolute values.
  • a flushing pressure set in this way a particularly effective flushing process is achieved.
  • the container in a first method step, is evacuated to a pressure in the range between 0.05 bar and 0.2 bar, and in a second, temporally following method step, the introduction or injection of the first process gas into the container, namely preferably such that the pressure in the container by the introduction or injection of the first process gas does not increase or only slightly, for example by 0.05 bar - 0.2 bar.
  • the introduction of the first process gas for purging the container takes place via a throttle provided in the second gas channel.
  • the throttle preferably has a bore with a diameter of 0.5 - 2.0 mm with a throttle thickness in the flow direction of the gas of 0.3 mm - 1 mm.
  • the opening or closing of the second gas valve is effected by a first partial stroke of a cooperating with the gas valve body actuating element, further preferably the opening or closing of the first gas valve is carried out by raising or lowering the gas valve body by the actuating element.
  • container In sealing position with the filling element befindaji container means in the context of the invention that the respective container in the manner known to those skilled with its container mouth tightly pressed against the filling element or to a local seal.
  • containers are in particular cans and bottles, in each case made of metal, glass and / or plastic, for example.
  • 1 is designed as a ring vessel Playlist a single-chamber filling system or a single-chamber filling machine rotating design for filling containers 2, which are shown as bottles, with a liquid product.
  • the Gregutkessel 1 is part of a rotatable about a vertical axis of the machine rotor.
  • the product container 1 is partially filled with the contents so that a lower liquid space 1.1 occupied by the product is formed in the interior of the product container 1 and above that a gas space 1.2 which is filled, for example, with an inert gas, e.g. CO2 gas or nitrogen or sterile air is filled.
  • an inert gas e.g. CO2 gas or nitrogen or sterile air
  • filling positions 3 are formed, each having a filling element 4 and a container carrier 5, on which the container 2 with its bottom and with which the container 2 during filling are arranged pressed with their container opening via a ring seal a centering tulip 6 in sealing position on the filling element 4.
  • Each filling element 4 comprises in the illustrated embodiment, a flat plate-like Golfelementgeophuse 7, in which inter alia, a liquid channel is formed, which communicates via an opening 9 in the bottom of the Golfgutkessels 1 with the local liquid space 1.1 and at the bottom of the Greelementgeophuses 7 one of the ring seal enclosed Artgutabgabeö réelle 10 forms, via which the filling material flows into the respective container 2 during filling.
  • a liquid valve 11 controlling the delivery of the liquid contents to the respective container 2 is provided.
  • This consists essentially of a valve body 12 which abuts against a formed in the liquid passage 8 valve seat with closed liquid valve 11 and which is provided on a tubular and coaxial with a vertical Greelementachse FA valve tappet 13.
  • the valve body 12 In order to open and close the liquid valve, the valve body 12 is moved up and down in the filler element axis FA in the manner described in more detail below.
  • a first gas channel 14 is formed, which continues in a gas pipe 15 which extends at sealing in the filling element 4 arranged container 2 through the container opening into the headspace of the container 2 and there at its lower end, the lower opening of the first gas channel 14 forms.
  • a first gas valve 16 is provided which is formed by a partially in an upper partial length of the gas channel 14 and arranged coaxially with the Greelementachse FA arranged, hollow needle gas valve body 17 which is raised to open the first gas valve 16 relative to the valve stem 13 and for closing the first gas valve 16 is lowered relative to the valve stem 13, so that a preferably arranged at the lower end of the gas valve body 17 valve surface abuts against a valve seat formed in the first gas channel 14 and thereby blocks the first gas valve 16.
  • the hollow needle-like gas valve body 17 has an outer cross-section, which is selected so that the gas channel 14 this valve body 17 spaced from enclosing to the upper, open end of the valve stem 13 continues.
  • a second gas channel 21 is formed, which is coaxially with the first gas channel 14 and preferably passes through the gas valve body 17 to one of its entire length.
  • the gas valve body 17 accordingly forms a tubular valve body which opens fluid-tightly at a first, lower free end when the first gas valve 16 is closed in the first gas channel and at its second, upper free end has an opening 24, the one second gas valve 23 forms, which can be opened or closed in the manner described in more detail below.
  • an actuating element 18, which is preferably a pneumatic actuating element 18, is preferably provided on the upper side of the product vessel 1 and furthermore preferably outside this product vessel 1.
  • the actuating element 18 acts on the upper end of the gas valve body 17 via a ram 19 arranged coaxially with the filling element axis FA and an adapter 20.
  • a control section 17.1 is provided at this upper end of the gas valve body 17, which expands the gas valve body 17 on the free end side radially outwards, so that an outside gradation of the gas valve body 17 results.
  • the actuating element 18 is controlled, for example, by electro-pneumatic control valves, not shown, for a controlled, two-stage axial movement of the plunger 19 and thus of the adapter 20 formed in the Greelementachse FA and consists of two control chambers forming pneumatic lifting elements, which in the illustrated embodiment as a piston Cylinder assemblies 18a and 18b are formed.
  • the piston 18.1 of the piston-cylinder assembly 18a is provided directly on the plunger 19, i. the latter forms the piston rod of this piston-cylinder arrangement 18a.
  • the piston 18.2 of the upper piston-cylinder assembly 18b is provided on a further piston rod, which is also arranged coaxially with the Greelementachse FA.
  • a bellows seal seals the passage area of the plunger 19 through the top of the product vessel 1.
  • the piston rod of the upper piston-cylinder arrangement 18b forms a stop element for the piston rod of the lower piston-cylinder arrangement 18a, so that the stroke of the lower piston-cylinder arrangement 18a is limited by the upper piston-cylinder arrangement 18b.
  • the stroke of the piston rod of the lower piston-cylinder assembly 18a becomes the partial stroke H1 limited. If the upper piston-cylinder arrangement 18b is actuated in such a way that it assumes an upper position, ie the upper piston-cylinder arrangement 18b is raised by a partial stroke H2, the lower piston-cylinder arrangement 18a can carry out an increased stroke, and although a stroke corresponding to the sum of the partial strokes H1, H2 (H1 + H2).
  • the arranged on the plunger 19 adapter 20 has a hook-shaped portion 20a with a control surface 20.1, which is designed to engage behind the control portion 17.1 of the gas valve body 17. Furthermore, the adapter 20 has a surface section 20.2 which cooperates with the opening 24 provided on the top side of the gas valve body or a sealing surface provided there for the formation of the second gas valve 23. When the area section 20.2 abuts the sealing surface of the opening 24, the control surface 20.1 engaging behind the control section 17.1 of the gas valve body 17 is spaced apart in the axial direction from the control section 17.1.
  • the surface portion 20.2 of the adapter 2 is opposite to the provided at the opening 24 seal on, so that the second gas valve 23 is closed.
  • the gas valve body 17 is thereby fully inserted into the first gas channel 14, so that the first gas valve 16 is closed, that is, the second gas channel 21 is fluid-tightly connected to the first gas channel 14.
  • the second gas channel 21 has a reduced channel cross-section compared to the first gas channel 14.
  • a throttled supply of the gas from the gas space 1.2 into the container 2 is achieved.
  • a throttle may additionally be provided, which likewise causes throttling of the gas supply from the gas space 1.2 into the container 2.
  • the plunger 19 can be raised by the lower piston-cylinder assembly 18a by the stroke corresponding to the sum of the partial strokes H1 and H2, and at enforcement This stroke of the gas valve body 17 is pulled out by the engagement of the control section 17.1 by the control surface 20.1 at least partially from the first gas channel 14 upwards and thus the first gas valve 16 is opened.
  • a Biharmana forming member 27 acting opening spring 24 is provided, which is received within the Artgutkessels 1 and formed as a compression spring in the manner described below, an opening of the Liquid valve 11 causes.
  • FIG. 1 shows the filling element 4 and the actuator 18 in a first operating state, ie in a state in which both the liquid valve 11 as also the gas valves 16 and 23 are closed.
  • the container 2 is pressed by means of the container carrier 5 from below to the annular seal in the region of the centering tulip 6, so that the container 2 is in sealing position on the filling element 4.
  • a control valve 28 a connection between a vacuum source 30 with the container interior via the provided in Medelementgephinuse 7 channel 29.
  • the vacuum source 30 and the control valve 28 are preferably controlled such that in the interior of the container 2, a pressure of 0 , 05 - 0,25bar.
  • the container 2 is evacuated to a 95% vacuum.
  • the second gas valve 23 is opened in the manner described above, ie by raising the plunger 19 by the actuator 18 to the partial stroke H1, so that the surface portion 20.2 is lifted from the seal in the region of the opening 24.
  • a continuous gas channel is released between the gas chamber 1.2 and the container interior, via the opening 24, the second gas channel 21, the first gas channel 14 fluid-tightly connected to the second gas channel 21 and the gas pipe 15.
  • the gas contained in the 1.2 Inertgases preferably CO2
  • a purging of the container 2 is effected.
  • the container interior remains connected via the channel 29 with the vacuum source 30, so that the displaced by the incoming purge gas is sucked air. This results in a particularly intensive or effective flushing of the interior of the container. 2
  • the purge gas exiting the gas pipe 15 also reaches the bottom of the container 2, for example Area of the opening 24 arranged choke, the purge gas flow or the flow rate of the purge gas are throttled so far that the negative pressure, which has set during the vacuuming before introducing the purge gas, only slightly increases by the purge, for example by about 0.05 bar - 0.2 bar. This results during the rinsing process, an internal pressure or scavenging pressure in the container 2, which is still significantly below the ambient pressure, for example, about 0.15 to 0.45 bar.
  • the supply of purge gas can be timed and without interruptions. Alternatively, the supply of purge gas but also at intervals, so take place in several sub-steps.
  • the container interior can continue to remain connected to the vacuum source 30 via the channel 29 and the control valve 28, so that the container 2 preferably is vacuumed to the original negative pressure before the beginning of the rinsing process. This further increases the efficiency of the rinsing process.
  • the spring force of the pressure spring designed as opening spring 25 is dimensioned such that the spring force is slightly greater than the force acting on the valve body 12 and the valve stem 13 gravity or acting on the valve body 12 liquid column of the contents contained in the product container 1 (neglecting friction effects).
  • the valve body 12 preferably has a gas barrier 12.1 in the region immediately above the valve cone, by means of which an automatic termination of the filling process is effected after immersion of the gas tube 15 in the level of contents in the container 2.
  • the gas barrier 12.1 thereby causes an ascension of the gas from the head space of the container 2 is prevented via the valve body 12 away into the liquid space 1.1 of the product container 1.
  • the closing of the liquid valve 11 of the filling element 4 takes place actively by the action of the actuating element 18 on the valve tappet 13.
  • the action of the actuating element 18 on the valve tappet 13 takes place by means of the adapter 20, specifically with a control surface 20.3 provided on the hook-shaped portion 20a of the adapter 20 which runs, for example, parallel to the control surface 20.1 and opposite this.
  • the control surface 20.3 acts together with a flange-like upper side portion of the valve stem 13.
  • the container 2 can be deducted from the sealing position of the filling element 4, for example by lowering the container carrier 5.
  • FIG. 10 shows a first alternative embodiment of a filling system not according to the invention.
  • the basic structure of the filling system is identical to the structure of the filling system described above, so that only the differences of the alternative embodiment to the embodiment described above are explained below.
  • the filling system has a further gas space 26, preferably by a different gas compared to the gas contained in the gas space 1.2, for example nitrogen (N 2 ), a vaporous medium or the like. is included. Alternatively, CO 2 may also be contained in the gas space 26.
  • a different gas compared to the gas contained in the gas space 1.2, for example nitrogen (N 2 ), a vaporous medium or the like. is included. Alternatively, CO 2 may also be contained in the gas space 26.
  • the gas space 26 is connected via a control valve 32 and via a preferably flexible line 33 to the piston rod of the actuating element 18, in which an axially extending third gas channel 34 is introduced, ie, the third gas channel 34 extends through the piston rod in the longitudinal direction, preferably along the Greenelementachse FA ,
  • the third gas channel 34 is connected at its lower end via the opening 24 with the second gas channel 21, namely with the second gas valve 23 closed, in which the surface portion 20.2 of the adapter 20 bears against the opening 24.
  • the first gas valve 16 is also closed, so that a continuous gas channel from the other gas space 26 via the line 33, the third gas passage 34, the second gas passage 21, the first gas passage 14 and the gas pipe 15 into the container interior consists.
  • the essential advantage of this alternative embodiment is that a more favorable compared to CO2 process gas or inert gas can be stored in the other gas space 26, which is used in particular for biasing the container 2.
  • the actuating element 18 can in this case in particular for Activation of only one-stage stroke be formed, wherein the stroke is dimensioned such that only an opening of the second gas valve 23 is effected by the actuating element 18, so that when lifting the plunger 19 and the associated opening of the second gas valve 23 in the gas space 1.2 contained gas, as described above, throttled when the control valve 32 is closed is supplied to the container interior, while biasing the container 2 with closed first and second gas valve 16, 23 by opening the control valve 32, the process gas contained in the further gas space 26 supplied to the container interior becomes.
  • a more cost-effective filling of the container 2 can be achieved.
  • the filling system according to the invention can also have a Trinox functionality, wherein a Trinox gas is supplied to the head space of the container 2 via a Trinox channel 35 coupled to the channel 29 from a Trinox gas space 36, in order to adjust the filling height within the container 2 reach, in such a way that the level of contents within the container 2 corresponds to the lower edge of the gas pipe 15.
  • a Trinox gas is supplied to the head space of the container 2 via a Trinox channel 35 coupled to the channel 29 from a Trinox gas space 36, in order to adjust the filling height within the container 2 reach, in such a way that the level of contents within the container 2 corresponds to the lower edge of the gas pipe 15.
  • FIG. 11 shows a second alternative embodiment of a non-inventive filling system similar to the embodiment according to FIG. 10 .
  • the essential difference from the embodiment according to FIG. 10 consists firstly in the fact that in the region of the second gas channel 21 of the gas valve body 17 no throttle for reducing the gas flow through the hollow needle gas valve body 17 is provided but the throttle is moved to the outside, in the region of line 33, the third gas duct 34 with the other Gas space 26 connects. Furthermore, the line 33 between the third gas channel 34 and the other gas space 26 at least one branch point 38, by means of which the channel formed in the conduit 33 branches into two or more mutually parallel channels 39, 40, wherein all of these parallel channels 39, 40 open into the further gas space 26.
  • a control valve 32 a, 32 b is provided, by means of which the individual channels 39, 40 are each independently openable or closable to establish a connection between the third gas duct 34 and the other gas space 26 to be able to.
  • Throttles 41, 42 are provided in the mutually parallel channels 39, 40, by means of which the volume flow through the respective channels 39, 40 is limited.
  • the throttles 41, 42 of the channels 39, 40 are dimensioned differently, so that in the channels 39, 40, a different volume flow can be effected.
  • the throttle 39 has a smaller bore than the throttle 40, so that the throttle 39 allows a lower volume flow than the throttle 40 (each at a constant pressure within the other gas space 26).
  • the volume flow through the third gas channel 34 or the line 33 can be changed by selecting the opened channel 39 or 40, depending on the type of rinsing method.
  • vacuum support eg glass bottles
  • vacuum support eg PET bottles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (26)

  1. Dispositif de remplissage pour le remplissage de bouteilles ou récipients similaires (2) avec un produit de remplissage liquide, avec une cuve de produit de remplissage (1), dans laquelle pendant le remplissage un espace de liquide (1.1) inférieur, occupé par le produit de remplissage et au-dessus de celui-ci un espace de gaz (1.2) sont formés, avec au moins un élément de remplissage (4) agencé sous la cuve de produit de remplissage (1) avec boîtier d'élément de remplissage (7), dans lequel un canal de liquide communiquant avec l'espace de liquide (1.1) est réalisé, qui forme au niveau d'une face inférieure du boîtier d'élément de remplissage (7) opposée à la cuve de produit de remplissage (1), une ouverture de distribution de produit de remplissage (10), avec une soupape de liquide (11) agencée dans le canal de liquide avec corps de soupape (12), qui est prévu au niveau d'un poussoir de soupape (13) agencé sur le même axe qu'un axe d'élément de remplissage (FA) et est axialement mobile pour l'ouverture et la fermeture de la soupape de liquide ainsi que pour une distribution commandée du produit de remplissage dans le récipient (2) agencé au niveau de l'élément de remplissage (4), avec un premier canal de gaz (14) réalisé dans le poussoir de soupape (13), qui est agencé au niveau d'une extrémité ouverte supérieure dans l'espace de gaz (1.2) de la cuve de produit de remplissage (1) et dont l'extrémité inférieure est formée par un tube de gaz (15) prévu au niveau du poussoir de soupape (13), qui pénètre dans l'espace supérieur du récipient (2) agencé au niveau de l'élément de remplissage (4), avec une première soupape de gaz (16) prévue dans le premier canal de gaz (14) avec un corps de soupape de gaz (17), qui coopère avec un siège de soupape réalisé dans le premier canal de gaz (14) et est mobile avec au moins un élément d'actionnement (18) pour l'ouverture et la fermeture de la première soupape de gaz (16) dans le premier canal de gaz (14), dans lequel un deuxième canal de gaz (21), qui est réalisé de manière à pouvoir être relié de manière étanche au liquide au moins temporairement au premier canal de gaz (14), est réalisé dans le corps de soupape de gaz (17), et
    dans lequel le corps de soupape de gaz (17) présente à son extrémité éloignée de la surface de soupape, une ouverture de soupape (24), qui forme une deuxième soupape de gaz (23) et par le biais de laquelle un flux de gaz à travers le premier et deuxième canal de gaz (14, 21) dans le récipient (2) agencé au niveau de l'élément de remplissage (4) devient possible à l'état ouvert, caractérisé en ce que
    l'élément d'àctionnement (18) est formé par deux éléments de levage (18.1, 18.2) agencés sur le même axe l'un que l'autre et de préférence aussi sur le même axe que l'axe d'élément de remplissage (FA), dont un premier élément de levage (18.1) agit sur le corps de soupape de gaz (17) par le biais d'un poussoir (19) et d'un adaptateur (20) et dont un deuxième élément de levage (18.2) forme une butée pour le mouvement de levage du premier élément de levage (18.1) de telle manière que dans un premier état du deuxième élément de levage (18.2), le levage du premier élément de levage (18.1) est limité à un premier levage partiel (H1) et dans un deuxième état du deuxième élément de levage (18.2), le deuxième élément de levage (18.2) est soulevé d'un deuxième levage partiel (H2), si bien que la course de levage du premier élément de levage (18.1) est augmentée à la somme des deux levages partiels (H1, H2).
  2. Dispositif de remplissage selon la revendication 1, caractérisé en ce que l'adaptateur (20) entraîne à l'état inférieur, abaissé du premier élément de levage (18.1), une étanchéification de l'ouverture (24) et ainsi une fermeture de la deuxième soupape de gaz (23).
  3. Dispositif de remplissage selon la revendication 1 ou 2, caractérisé en ce qu'à l'état soulevé d'un premier levage partiel (H1) de l'élément de levage (18.1), l'adaptateur (20) est soulevé de l'ouverture (24) et ainsi la deuxième soupape de gaz (23) est ouverte.
  4. Dispositif de remplissage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'adaptateur (20) présente une première surface de commande (20.1), qui ne vient pas en appui contre le corps de soupape de gaz (17) pendant le premier levage partiel (H1), et contre laquelle le corps de soupape de gaz (17) s'appuie en partie pendant le deuxième levage partiel (H2) de l'élément de levage (18.1), pour soulever le corps de soupape de gaz (17) de la position d'étanchéité de la surface de soupape formée dans le premier canal de gaz (16).
  5. Dispositif de remplissage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'adaptateur (20) présente une deuxième surface de commande (20.2), qui coopère avec le poussoir de soupape (13) pour la fermeture de la soupape de liquide (11).
  6. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de soupape de gaz (17) est réalisé sous forme d'aiguille creuse.
  7. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième canal de gaz (21) présente une section transversale réduite par rapport au premier canal de gaz (14).
  8. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un étrangleur (22) est prévu pour la réduction du débit de gaz passant par le deuxième canal de gaz (21) dans le deuxième canal de gaz (21).
  9. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'actionnement (18) est réalisé pour une ouverture et fermeture de l'ouverture de soupape (24) dans un premier levage partiel (H1).
  10. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de soupape de gaz (17) est mobile pour l'ouverture et la fermeture de la première soupape de gaz (16) dans l'axe d'élément de remplissage (FA) et coopère avec une surface de soupape réalisée dans le premier canal de gaz (14).
  11. Dispositif de remplissage selon la revendication 10,
    caractérisé en ce que le déplacement du corps de soupape de gaz (17) se fait au moyen de l'élément d'actionnement (18), et ce par le biais du premier levage partiel (H1) et par le biais d'un deuxième levage partiel (H2), dans lequel les courses de levage des premier et deuxième levages partiels (H1, H2) s'étendent sur le même axe.
  12. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que la première soupape de gaz (17) est réalisée pour entraîner un plus grand débit de gaz par unité de temps que la deuxième soupape de gaz (23).
  13. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de soupape de gaz (17) de la première soupape de gaz (16) est reçu avec une longueur partielle dans le premier canal de gaz (14) et fait saillie du premier canal de gaz (14) avec une extrémité supérieure et coopère avec cette extrémité avec l'élément d'actionnement (18).
  14. Dispositif de remplissage selon la revendication 13,
    caractérisé en ce que l'ouverture de soupape (24) du corps de soupape de gaz (17) formant la deuxième soupape de gaz (23) est prévue sur une longueur partielle faisant saillie du premier canal de gaz (14), en particulier au niveau du côté avant supérieur du corps de soupape de gaz (17).
  15. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé par un ressort d'ouverture (25) précontraignant la soupape de liquide (11) dans son état d'ouverture.
  16. Dispositif de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième canal de gaz (21) est relié au moins temporairement à un autre espace de gaz (26) indépendant de l'espace de gaz (1.2) de la cuve de produit de remplissage (1).
  17. Dispositif de remplissage selon la revendication 16, caractérisé en ce que le deuxième canal de gaz (21) est réalisé de manière à pouvoir être relié à l'espace de gaz (1.2) pour le rinçage du récipient à remplir (2) et à l'autre espace de gaz (26) pour la précontrainte du récipient (2).
  18. Procédé pour le traitement de récipients (2) avec un gaz de procédé avant leur remplissage en utilisant un dispositif de remplissage selon l'une quelconque des revendications précédentes avec un élément de remplissage (4), au niveau duquel le récipient respectif (2) est agencé en position d'étanchéité pendant le traitement et par lequel un gaz de procédé est introduit dans le récipient (2) et un gaz de procédé ainsi qu'un milieu sous forme de gaz et/ou de vapeur refoulé par celui-ci, par exemple de l'air, est évacué du récipient (2), dans lequel l'élément de remplissage (4) présente le premier canal de gaz (14), qui débouche au niveau d'une extrémité supérieure dans l'espace de gaz (1.2) de la cuve de produit de remplissage (1) et au niveau d'une extrémité inférieure dans l'espace supérieur du récipient (2) agencé au niveau de l'élément de remplissage, dans lequel la première soupape de gaz (16) est prévue dans le premier canal de gaz (14) avec un corps de soupape de gaz (17) mobile pour l'ouverture et la fermeture de la première soupape de gaz (16), dans lequel un deuxième canal de gaz (21) est réalisé, qui est relié de manière étanche au liquide au moins temporairement au premier canal de gaz (14), et dans lequel une précontrainte du récipient (2) avec un premier gaz de procédé d'un espace de gaz (1.2) d'une cuve de produit de remplissage (1) se fait par l'ouverture de la première soupape de gaz (16),
    dans lequel le récipient (2) est alimenté en vide d'une source de vide (30) avant la précontrainte avec le premier gaz de procédé et ensuite une introduction d'un deuxième gaz de procédé pour le rinçage du récipient (2) se fait par l'ouverture de la deuxième soupape de gaz (23) par le biais du deuxième canal de gaz (21) avec la deuxième soupape de gaz (23),
    dans lequel le récipient (2) continue d'être relié à la source de vide (30) pendant le rinçage, et
    dans lequel le débit volumique du premier gaz de procédé passant par la première soupape de gaz (16) lors de la précontrainte du récipient (2) est supérieur au débit volumique du deuxième gaz de procédé passant par la deuxième soupape de gaz (23) lors du rinçage du récipient (2).
  19. Procédé selon la revendication 18, caractérisé en ce que le premier gaz de procédé est identique ou différent du deuxième gaz de procédé.
  20. Procédé selon la revendication 19, caractérisé en ce que le débit volumique du deuxième gaz de procédé introduit dans le récipient (2) lors du rinçage ainsi que la dépression de la source de vide (30) sont réglés de telle manière qu'une pression de rinçage, qui est égale à la pression ambiante ou légèrement supérieure ou inférieure à la pression ambiante, s'établit pour le deuxième gaz de procédé traversant l'espace intérieur du récipient dans le récipient (2).
  21. Procédé selon l'une quelconque des revendications 18-20, caractérisé en ce que la pression et/ou le débit volumique du deuxième gaz de procédé ainsi que la pression de la source de vide (30) sont réglés de sorte à obtenir une pression de rinçage entre 0,1 bar à 0,45 bar.
  22. Procédé selon l'une quelconque des revendications 18-21, caractérisé en ce que dans une première étape de procédé, le récipient (2) est évacué à une pression comprise entre 0,05 bar et 0,2 bar, et en ce que l'introduction ou l'injection du deuxième gaz de procédé dans le récipient (2) se fait dans une deuxième étape de procédé successive dans le temps et ce de préférence de telle manière que la pression dans le récipient (2) n'augmente pas ou que légèrement, par exemple de 0,05 bar - 0,2 bar, par l'introduction ou l'injection du deuxième gaz de procédé.
  23. Procédé selon l'une quelconque des revendications 18-22, caractérisé en ce que l'introduction du deuxième gaz de procédé pour le rinçage du récipient (2) se fait par le biais d'un étrangleur prévu dans le deuxième canal de gaz (21).
  24. Procédé selon la revendication 23, caractérisé en ce que l'étrangleur présente un perçage d'un diamètre de 0,3 - 1 mm pour une longueur de l'étrangleur dans la direction d'écoulement du gaz de 0,5 mm.
  25. Procédé selon l'une quelconque des revendications 18-24, caractérisé en ce que l'ouverture ou la fermeture de la deuxième soupape de gaz (23) se fait par un premier levage partiel (H1) d'un élément d'actionnement (18) coopérant avec le corps de soupape de gaz (17).
  26. Procédé selon l'une quelconque des revendications 18-25, caractérisé en ce que l'ouverture ou la fermeture de la première soupape de gaz (16) se fait par soulèvement ou abaissement du corps de soupape de gaz (17) par l'élément d'actionnement (18).
EP14739372.2A 2013-07-09 2014-07-03 Dispositif de remplissage et methode de traiter des recipients avec un gaz de procédé Active EP3019436B1 (fr)

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SI201430308T SI3019436T1 (sl) 2013-07-09 2014-07-03 Polnilni sistem in postopek za obdelavo vsebnikov s procesnim plinom

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DE102013107256.9A DE102013107256A1 (de) 2013-07-09 2013-07-09 Füllsystem sowie Verfahren zum Behandeln von Behältern mit einem Prozessgas
PCT/EP2014/064200 WO2015004001A1 (fr) 2013-07-09 2014-07-03 Système de remplissage ainsi que procédé de traitement de récipients au moyen d'un gaz de processus

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DE (1) DE102013107256A1 (fr)
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EP3697721B1 (fr) * 2017-10-16 2023-04-19 Société des Produits Nestlé S.A. Procédé de remplissage d'un récipient avec un liquide gazéifié et dispositifs associés
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EP3019436A1 (fr) 2016-05-18
SI3019436T1 (sl) 2017-08-31
US20160152458A1 (en) 2016-06-02
DE102013107256A1 (de) 2015-01-15
WO2015004001A1 (fr) 2015-01-15
US9809436B2 (en) 2017-11-07

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