EP3802400A1 - Système de remplissage de récipients avec un produit de remplissage liquide et machine de remplissage - Google Patents

Système de remplissage de récipients avec un produit de remplissage liquide et machine de remplissage

Info

Publication number
EP3802400A1
EP3802400A1 EP19724472.6A EP19724472A EP3802400A1 EP 3802400 A1 EP3802400 A1 EP 3802400A1 EP 19724472 A EP19724472 A EP 19724472A EP 3802400 A1 EP3802400 A1 EP 3802400A1
Authority
EP
European Patent Office
Prior art keywords
filling
phase
container
valve device
valve
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
EP19724472.6A
Other languages
German (de)
English (en)
Other versions
EP3802400B1 (fr
Inventor
Ludwig Clüsserath
Bernd Bruch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KHS GmbH
Original Assignee
KHS GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KHS GmbH filed Critical KHS GmbH
Priority to SI201930605T priority Critical patent/SI3802400T1/sl
Publication of EP3802400A1 publication Critical patent/EP3802400A1/fr
Application granted granted Critical
Publication of EP3802400B1 publication Critical patent/EP3802400B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/286—Flow-control devices, e.g. using valves related to flow rate control, i.e. controlling slow and fast filling phases
    • 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 system for filling containers with a liquid product according to the preamble of claim 1 and to a filling machine with a plurality of filling elements on a rotor about a vertical axis rotatably driven rotor according to the preamble of claim 19.
  • Filling systems and filling machines for filling containers with liquid contents, especially for pressure filling are known in various designs.
  • free-jet filling or “free-jet filling” is understood as meaning a filling system or filling method in which the liquid product flows to the container to be filled from the liquid valve in a free filling jet or filling material jet, the flow of the filling material not being controlled by guide elements such as eg Ableittransporte, swirler, short or long filling tubes is influenced or changed.
  • Free jet filling can take place both without pressure and under pressure.
  • the container has ambient pressure, the container is usually not applied to the filling element with its container mouth or opening, but is spaced from the filling element or from a designated discharge opening. If the container at the non-pressurized jet filling but with his container mouth on the filling element, so a gas path establishes a connection between the interior of the container and the environment, whereby a non-pressurized filling is made possible.
  • the gas contained in the container and displaced by the beverage flowing into the container escapes into the environment via this gas path.
  • the container is pressed with its mouth against the filling element and sealed, the pressure in the interior of the container by applying a clamping gas (inert gas or C02 gas) or by applying a negative pressure set to this, deviating from the ambient pressure, which may be both above and below the ambient pressure.
  • a clamping gas inert gas or C02 gas
  • a negative pressure set in which the contents before or during the inflow into the container by conducting elements to the inner wall of the container to be filled is passed. This procedure ensures that the filling material flows into the container with reduced foaming. This filling process is also referred to as "filling over the container wall".
  • the feeding of the clamping gas into the respective container and the discharge of the return gas from the respective container in known filling systems via one and the same formed in the filling element controlled flow path can be carried out in which in the switching states "open” and / or "closed” valve device is arranged as a control valve.
  • This valve device is then, for example, part of a pneumatic control valve arrangement and is controlled by at least one electrically controllable switching valve by a machine control of the filling machine.
  • a valve device designed in this way it is not possible to control the volume flow flowing through the valve device sufficiently finely during the filling phase.
  • the object of the present invention is therefore to provide a filling system for filling containers with a liquid product, which allows an improved compared to the prior art control of the valve device through-flowing volume flow during the filling phase.
  • the object is achieved by a filling system for filling containers with a liquid product according to the features of independent claim 1.
  • a corresponding filling machine is the subject of the independent patent claim 19.
  • the respective subclaims relate to particularly preferred embodiments of the invention.
  • the invention relates to a filling system for filling containers with a liquid product, comprising at least one Batgutkessel the filling material providing and at least one filling element for the controlled delivery of the filling in the arranged in sealing position on the filling container in a filling phase of the filling , Furthermore, at least one flow path for a liquid and / or gaseous medium is formed in the filling element, wherein the flow path communicates with the interior of the container to be filled, at least during the filling phase.
  • displaced back gas can be discharged and / or displaced filling attributable to the Gregutkessel and / or for inert gas and / or biasing of the container via the flow path gas from the container fed.
  • the present invention is further distinguished by the fact that at least one valve device which is infinitely variable between an open and / or closed position is provided at least in the flow path, wherein the volume flow of the liquid and / or gaseous medium flowing through the flow path is adjusted by means of the at least one continuously variable valve device steplessly controlled and / or regulated.
  • the gas flows for the following functions can be controlled and / or regulated in a highly flexible manner by the valve device designed according to the invention:
  • valve device By means of the valve device can be a fine metering of the gas stream for purging at high vacuum in the evacuation (also rinsing under conventional conditions) may be formed.
  • the rinsing process can also take place as a control loop depending on the internal pressure of the bottle, measured by the pressure sensor in the filling valve.
  • a control and / or regulation of a gas flow during the biasing phase (for example, throttled at sensitive plastic bottles) take place.
  • the course of the bias can be carried out according to a predetermined pressure profile.
  • initial product residues in the interior of a corresponding container can be removed from the gas pipe and / or return gas pipe in a soft manner and without atomizing the product during this process.
  • lead sputtered product residues in the residual relief to overfoaming Thereafter, the bias can then be continued with a larger volume flow to keep the bias time as short as possible.
  • valve device can also be used to control and / or regulate the filling rate by throttling the return gas flow in accordance with a predetermined characteristic curve fitting to a respective beverage and / or container and / or via a control loop involving flow measurement according to a flow characteristic curve.
  • valve device a control and / or regulation of the product return in a Trinox process by a control circuit via a arranged in the filling valve pressure sensor or control according to a predetermined flow profile.
  • valve device a controlled and / or controlled pressure build-up in the settling phase in the cycle with a pressure reduction via a discharge nozzle in the vacuum channel or in a separate discharge channel done.
  • a pressure reduction via a discharge nozzle in the vacuum channel or in a separate discharge channel.
  • gas bubbles form in the beverage, which rise to the surface and form foam.
  • a short-term controlled increase in pressure can greatly limit the foam formation on the surface.
  • the relief pressure can be lowered again. This process can also be repeated several times.
  • the process may be controlled and / or regulated additionally or alternatively via the pressure sensor arranged in the filling valve.
  • valve device flushing of the headspace from a separate inert gas channel according to a flow profile and / or via pressure regulation during a filling process without evacuation and / or termination of the filling process via the electrical fill level signal by means of a flooded probe can advantageously take place.
  • headspace purging from the ring bowl or a separate gas channel connected to it in the atmosphere and / or the vacuum channel is possible.
  • valve device is also applicable to a volumetric pressure filling system for carbonated soft drinks.
  • the valve device may also control and / or regulate the biasing process, the fill rate, and the settling and relief process.
  • the at least one valve device is designed as a continuously adjustable control valve, which is controllable between the open and / or closed position in any intermediate position as a permissible operating position.
  • the at least one valve device is designed as a magnetically and / or electrically and / or pneumatically controllably controllable control valve between the open and / or closed position.
  • valve device is provided in a first Generalströmungweg the flow path, wherein the first Generalströmungsweg extends from a gas space of a product via a return gas pipe into the interior of the container.
  • valve device is provided in the transition region of a return gas pipe to a flexible conduit, in particular on a support arm.
  • valve device is provided between a free space formed above the gas pipe and the flow path leading into the ring vessel.
  • the filling system has at least the valve device and at least one further valve device, wherein the at least one further valve device is provided in the flow path between the interior of the container and the annular channel designed as a vacuum channel.
  • the flow channel is assigned at least one pressure sensor which forms a control circuit, in particular a pressure control loop, with the valve device and / or the further valve device, by means of which a rinsing phase and / or prestressing phase and / or filling phase and / or evacuation phase and / or calming phase and / or discharge phase can be controlled and / or regulated, wherein the valve device and / or the further valve device forms an actuator in the control loop, in particular in the pressure control loop.
  • the filling system is adapted to control the discharge phase via preselectable pressure characteristics with the involvement of the pressure control loop and / or to regulate, in such a way that after a reduction of the internal pressure in the liquid Filled container filled by the continuously adjustable valve device and / or the other valve device, the absolute pressure in the remaining head space of the container via the flow path is increased again.
  • valve device and / or the further valve device with a flow meter associated with the control loop in particular a flow control circuit, formed by means of a rinsing phase and / or bias phase and / or filling phase and / or settling phase and / or relief phase can be controlled and / or regulated, wherein the valve device and / or the further valve device forms an actuator in the control loop, in particular in the volume flow control loop.
  • the filling system is designed, at least during the filling phase, the filling speed by throttling the return gas flowing back over the flow path via the valve device and / or the further valve device after one set opening profile for the valve device and / or the further valve device to control and / or to regulate.
  • the filling system is designed to control the filling speed by throttling the return gas flowing back over the flow path via the valve device and / or the further valve device to a preselected volumetric flow profile with involvement of the volume flow control circuit, at least during the filling phase and / or to regulate.
  • the filling level can be controlled and / or regulated by incorporating the pressure control loop by means of the continuously adjustable valve device and / or the further valve device as an actuator.
  • the filling level can be controlled and / or regulated by incorporating the pressure control loop by means of the continuously adjustable valve device and / or the further valve device as an actuator.
  • the rinsing phase is formed as a control loop depending on the container internal pressure, wherein the container internal pressure can be detected by means of the at least one pressure sensor in the filling element and forms a control parameter.
  • the flow path is formed in a return gas pipe extending into the container during the filling phase, via which return gas displaced during the filling phase by the filling material flowing into the container interior enters the product vessel or a separate one connected to the product vessel Ring channel or derived in a connected via a pressure control with the Grelleau separate annular channel and / or at the end of the filling phase for setting a Sollstilliere from the headspace of the initially overfilled container contents is displaced in the Gregutkessel.
  • the return gas tube is axially displaceably guided upward through a housing of the filling element, wherein an open end of the return gas tube is formed within the housing as a lateral opening, which opens into a lock chamber.
  • the lock chamber via a gas channel system both with the vacuum channel designed as a ring channel and the interposition of a second control valve with a liquid channel is connectable such that the lock chamber during the cleaning and / or sterilization phase with inert gas and / or a negative pressure and / or a vacuum can be acted upon.
  • FIG. 1 to Fig.10 by way of example a variant of a simplified and in
  • FIG. 11 shows by way of example a further embodiment variant of a filling element of a filling system according to the invention, shown in a simplified and sectional view;
  • FIG. 12 shows by way of example a still further embodiment variant of a filling element of a filling system according to the invention shown simplified and in a sectional view;
  • FIG. 13 shows by way of example a still further embodiment variant of a filling element of a filling system according to the invention, shown in a simplified and sectional view.
  • FIG. 14 shows by way of example a still further embodiment variant of a filling element of a filling system according to the invention, shown in a simplified and sectional view.
  • the generally designated 1 in Figures 1 to 10 filling system is part of a filling machine rotating design for filling a liquid filling in bottles 2 or the like container.
  • the filling system 1 can in particular be designed for free-steel filling and / or filling via the container wall and / or for the long-tube filling.
  • the filling system 1 comprises, inter alia, filling elements 1.1, of which only one filling element 1.1 is shown in FIG. 1 and which are provided at uniform angular intervals on the circumference of a rotor 4 of the filling machine that can be driven in rotation around a vertical machine axis MA.
  • rotor 4 At the only partially illustrated rotor 4 is a common for all filling 1.1 Ballgutkessel 5, which is designed for example as a ring boiler, and is filled during the filling operation to a predetermined level level controlled with the contents.
  • the Gregutkessel 5 In addition to the Gregutkessel 5 are located on the rotor 4 for all filling elements 1.1 of the filling machine common annular channels 30 and 40th
  • the annular channels 30 and 40 can fulfill different functions depending on the filling process.
  • the annular channel 30 may be designed to guide the inert gas under pressure, in particular as a Trinox gas channel or clamping gas channel, and / or the annular channel 40 as a vacuum channel for evacuating or relieving the container 2.
  • a liquid channel 7 is formed, which communicates via a line 8 with the liquid chamber 5.2 of the boiler 5 in connection.
  • the line 8 may be associated with a flow meter 8.1, by means of which via the line 8 the liquid channel 7 supplied volume flow of liquid product, so the amount of product per unit time, can be detected.
  • a liquid valve 9 is provided in the liquid channel 7, specifically for the controlled delivery of the liquid contents via a vertical Standelementachse FA concentrically enclosing annular discharge opening 10 which is formed on the underside of the filling element 1.1 of the local, open end of the liquid channel 7.
  • a centering tulip 11 is provided with seal 12 which surrounds the discharge opening 10 annular and against which the respective container 2 during filling, especially during pressure filling with its container mouth
  • the liquid valve 9 consists essentially of a valve body 9.1 arranged in the liquid channel 7, which cooperates with a valve seat formed on the inner surface of the liquid channel 7.
  • the valve body 9.1 is arranged or formed on a coaxially arranged with the Greetachse FA and open at both ends valve or gas pipe 13, which also serves as a valve lifter for actuating the liquid valve 9 and this cooperates with a only schematically indicated actuator 14, with the gas pipe 13 and thus the valve body 9.1 to open and close the liquid valve 9 by a predetermined Flub axially in the Artelementachse FA are movable.
  • the gas pipe 13 protrudes through the discharge opening 11 through the bottom of the housing 6 and thus extends into the interior of the container 2 during filling with this end. With its upper, also open end, the gas pipe 13 extends into a closed gas space 15.
  • the corresponding filling element 1.1 of the filling system 1 may have an equiaxially arranged with the Greelementachse FA, determining the filling level in the respective container 2 return gas pipe 16 which may be formed as Trinox tube and extending through the gas pipe 13 and with its lower End protruding from the lower open end of the gas pipe 13. More in detail, the filling element
  • the return gas pipe 16 is passed through the housing 6 of the filling element 1.1, protrudes with an upper length over the top of the housing 6 and is held with the local, also open end 16.2 on a support arm 18 of an adjusting device 19.
  • the adjusting device 19 is designed to the support arm 18th including the return gas tube 16 held thereon so as to move axially along the filler element axis FA, in particular to raise and lower, preferably in the manner described in more detail below, each from an upper exit or down position for setting different Fill heights during the filling process of the filling element 1.1.
  • the upper end 16.2 of the return gas pipe 16 is connected via a flexible line 25 to the gas space 5.1 of the product vessel 5.
  • the return gas pipe 16 may be formed as a probe ( Figures 8a to 8c) and a trained as a flohl probe 16.3 inner tube and a respect to the inner tube electrically insulated and also designed as a hollow probe 16.4 outer tube.
  • the respective upper ends 16.2 of the two hollow probes 16.3 and 16.4 are also mutually electrically isolated received in the carrier 18 and connectable to different poles of a power supply device, not shown.
  • the lower end 16. 1 of the hollow probe 16. 4 designed as an outer tube forms the measure for the filling level by generating an electrical short circuit between outer and inner tube via the filling level and thus a signal for closing the product valve 9 when the same is reached.
  • the return gas pipe 16 before its exit at the top of the housing 6 may be guided by a formed in the housing 6 protective or lock chamber 22 which is formed in the illustrated embodiment, a circular cylindrical concentric to Golfelementachse FA and based on the Gresse FA an axial length at least equal to the maximum Einstellhub by which the return gas pipe 16 between the setting "maximum level” and the setting “minimum level” is moved.
  • At least one flow path 20 for a liquid and / or gaseous medium is formed in the filling element 1.1, the flow path 20 communicating with the interior of the container 2 to be filled at least during the filling phase.
  • the flow path 20 at least during the filling phase from the container 2 displaced gas returnable and / or displaced product to the Gregutkessel 5 traceable and / or inert gas via the flow path 20 gas from the container 2 can be fed to the flow path 20 can be used as the gas path and / or be designed as a gas channel system.
  • the flowpath 20 may include first and second partial flowpaths 20.1 and 20.2.
  • At least the interior of the container 2 can be connected via the return gas pipe 16 to the gas space 5.1 of the product vessel 5 by means of the first partial flow path 20.1, at least during the actual filling phase and with the interposition of at least one valve device 26
  • the interior of the container 2 via the gas pipe 13 with the interposition of a first control valve SV1, the "open” and “closed” - valve, so a control valve with two possible steady-state operating conditions, namely an operating state Open "and an operating state” closed “is formed, with the annular channel 30 connectable.
  • Intermediate positions of the first control valve SV1 are expressly not possible here.
  • the flow path 20 with its two partial flow paths 20.1, 20.2 extends from the annular channel 30 via the first control valve SV1 into the container interior and from there via the return gas pipe 16 and the valve device 26 into the gas space 5.1 of the product chamber 5.
  • the flow path 20 may comprise a first partial flow paths 20.1, by means of which the interior of the container 2 via the return gas pipe 16 with the gas space 5.1 of the Gregutkessels 5 is connectable, and a second Operaströmungsweg 20.2, between the outer surface of the return gas pipe 16 and the Inner surface of the gas pipe 13 is formed, which is open at the lower end of the gas pipe 13 and at the upper end of the gas pipe 13 in the manner described in more detail below with the gas space 15 and by means of which the interior of the container 2 via the gas pipe 13 below Intermediate circuit of the first control valve SV1 with the annular channel 30 is connectable.
  • gas paths or gas channel systems may be formed, which have a plurality of controlled gas paths with an associated second control valve SV2, which is identical to the first control valve SV1.
  • a further gas channel system connecting the annular channel 40 to the flow path 20 via the second control valve SV2 may be provided, as shown more closely in FIG. 2, for example.
  • This further gas channel system may also be formed by means of a second control valve SV2 (FIG. 1) also with two second control valves SV2 (FIG. 2).
  • This further gas channel system is known to the person skilled in the design and operation.
  • At least one valve device 26, 27 which can be infinitely adjusted between an open and / or closed position is provided at least in the flow path 20, by means of which a volume flow of the liquid and / or gaseous medium flowing continuously through the flow path 20 is controlled continuously. or is controllable.
  • open position in the context of the present invention is that operating position of the valve means 26, 27 understood, in which the valve means 26, 27 is flowed through with a maximum possible flow rate of a liquid and / or gaseous medium per unit time, while under closed position that operating position is understood at the volume flow flowing through the valve means 26, 27 is equal to zero.
  • the at least one valve device 26, 27 can be designed as a continuously adjustable control valve that can be actuated as an allowable operating position in any desired intermediate position between the operating positions "open” and “closed” (ie open position and / or closed position) is adjustable and preferably continuously. These arbitrary intermediate positions can also be controlled as permissible stationary operating positions.
  • the at least one valve device 26, 27 may be designed as a control valve which can be controlled steplessly magnetically and / or electrically and / or pneumatically between the open and / or closed position.
  • the valve device 26 may be provided at the upper end 16.2 of the return gas pipe 16 in the first Sectionströmungsweg 20.1 of the flow path 20, in particular in the transition region of the return gas pipe 16 to the flexible conduit 25.
  • the upper end 16.2 of the return gas pipe 16 is thus on the support arm 18 provided valve means 26 and the flexible conduit 25 connected to the gas chamber 5.2 of the liquid boiler 5.
  • the flow channel 20 can also be assigned at least one pressure sensor DS for detecting the pressure conditions prevailing in the flow channel 20.
  • the pressure sensor DS can be designed to detect the absolute pressure conditions.
  • valve device 26 with the pressure sensor DS form a control circuit RK, in particular a pressure control circuit DRK, by means of a rinsing phase and / or bias phase and / or filling phase and / or evacuation phase and / or calming phase and / or discharge phase control and / or is controllable, wherein the valve device 26 an actuator in the control loop RK, in particular in the pressure control circuit DRK, forms ( Figure 4).
  • the control loop RK can cooperate with a machine control system responsible for the filling system 1, or be controlled by it.
  • the pressure sensor DS can be arranged on the housing 6 of the filling element 1.1 or integrated into it (housing 6). Furthermore, the pressure sensor DS can be provided such that by means of the pressure sensor DS, the pressure conditions in the flow channel 20, advantageously in the second Operaströmungsweg 20.2 between the gas chamber 15 and the first control valve SV1, can be detected.
  • the actual pressure values detected by the pressure sensor DS are preferably transmitted to the machine control system and compared with setpoint pressure values stored there and based thereon the valve device 26 is actuated as an actuator.
  • the pressure sensor DS supplies the control parameter of the controlled variable for the pressure control circuit DRK.
  • the filling system 1 can be designed to control the discharge phase via preselectable pressure characteristics with the involvement of the pressure control circuit DRK and / or to regulate, in such a way that after a reduction of the internal pressure in the filled with liquid product container 2 by means of the infinitely adjustable valve means 26, the absolute pressure in the remaining headspace of the container 2 via the flow path 20 is increased again.
  • foaming can be reduced by rising gas bubbles.
  • the absolute pressure in the remaining head space of the container 2 can be lowered during the discharge phase such that bubbles form in the filled liquid contents within the container 2.
  • the absolute pressure in the container 2 can be briefly approached or controlled in the region of the saturation pressure or slightly above it.
  • Particularly advantageous is the formation of foam, in the moment in which burst the bubbles on the surface within the filling of the container 2, greatly reduced.
  • valve device 26 with the flow meter 8.1 can advantageously also form a control circuit RK, in particular a volume flow control circuit VRK, by means of which a flushing phase and / or prestressing phase and / or filling phase and / or evacuation phase and / or calming phase and / or relieving phase are controlled and / or or is controllable, wherein the valve device 26 forms an actuator in the control loop RK, in particular in the volume flow control circuit VRK. ( Figure 6).
  • the control loop RK can interact with a machine controller responsible for the filling system 1, or can be controlled by it.
  • the actual volumetric flow values recorded in the line 8 are preferably detected in the line 8 and transmitted to the machine control and compared with nominal volume flow values stored there and based thereon the valve device 26 is actuated as an actuator.
  • the flow meter 8.1 supplies the control parameter of the controlled variable for the volume flow control circuit VRK. It can thereby be provided that, at least during the filling phase, the regulation of the filling speed, ie of the volume flow of liquid contents flowing into the container 2 to be filled, by throttling the return gas flowing back over the flow path 20 via the valve device 26 according to a fixed opening profile for the valve device 26 he follows.
  • the regulation of the filling speed ie of the volume flow of liquid contents flowing into the container 2 to be filled, by throttling the return gas flowing back over the flow path 20 via the valve device 26 to a preselected volume flow profile with integration of the Volume flow control circuit VKR takes place.
  • FIG. 11 shows a further embodiment variant of the invention in which, unlike the embodiment variant of FIG. 1, no return gas pipe 16 is provided inside the gas pipe 13.
  • the interior of the container 2 is connected here via the gas pipe 13 with the interposition of the inventively designed, continuously variable valve device 26 with the annular channel 30.
  • the valve device 26 is provided between a free space 15 formed above the gas tube 13 and the flow path 20 leading into the annular channel 30.
  • the pressure sensor DS can also be provided in such a way that by means of the latter the pressure conditions in the gas space 15 can be detected.
  • valve 12 shows a further embodiment variant of the filling system 1 according to the invention, which, in contrast to the previous embodiment variants, has at least one further infinitely variable valve device 27 in addition to the continuously variable valve device 26.
  • valve means 26 and the valve means 27 are of identical design and in each case as a continuously adjustable control valve, which can be controlled between the open and / or closed position in any intermediate position as a permissible operating position.
  • the at least one further valve device 27 is provided in the flow path 20 and infinitely adjustable between an open and / or closed position, wherein by means of the at least one further valve means 27, a flow of 20 through-flowing volume flow of the liquid and / or gaseous medium continuously control - and / or is controllable.
  • the at least one further valve device 27 is provided in the flow path 20 between the interior of the container 2 and the annular channel 30 designed as a vacuum channel, ie in particular in the second partial flow path 20. 2 of the flow path 20.
  • the flow channel 20 at least one pressure sensor DS is associated with the valve means 26 and 27 a control circuit RK, in particular a pressure control circuit DRK, formed by means of a rinsing phase and / or bias phase and / or filling phase and / or evacuation phase and / or calming phase and / or discharge phase can be controlled and / or regulated, wherein the valve devices 26 and 27 each form an actuator in the control loop RK, in particular in the pressure control circuit DRK.
  • a control circuit RK in particular a pressure control circuit DRK
  • the filling system 1 is designed to control the discharge phase via preselectable pressure characteristics with the involvement of the pressure control circuit DRK and / or to regulate, in such a way that after a reduction of the internal pressure in the liquid with filled container 2 by means of the continuously adjustable valve means 26 and 27, the absolute pressure in the remaining head space of the container 2 via the flow path 20 is increased again.
  • the filling system 1 according to the embodiment of Figure 12 is adapted, at least during the filling phase, the filling speed by throttling the flowing back over the flow path 20 return gas via the valve means 26 and 27 for a fixed opening profile for the valve means 26 and 27 to control and / or to regulate.
  • the filling level can be controlled and / or regulated by incorporating the pressure regulating circuit DKR by means of the continuously adjustable valve devices 26 and 27 as an actuator.
  • the filling levels can be designed to be controllable and / or controllable by incorporating the pressure regulating circuit DKR by means of the continuously adjustable valve devices 26 and 27 as an actuator.
  • the purging phase can be designed as a control loop RK depending on the container internal pressure, wherein the container internal pressure can be detected by means of the at least one pressure sensor DS in the filling element 1.1 and forms a control parameter.
  • the flow path 20 is formed in a during the filling phase extending into the container 2 return gas pipe 16, via which during the filling phase by the container interior inflowing contents displaced return gas in the Golfgutkessel 5 or in one with the Gregutkessel. 5 connected separate annular channel 30, 40 or in a connected via a pressure control with the Grellessel 5 separate annular channel 30, 40 derived and / or at the end of the filling phase for setting a Sollstilliere from the headspace of the initially overfilled container 2 contents in the Basgutkessel 5 is displaced.
  • FIG. 13 shows a further embodiment variant of the filling system 1 according to the invention, which, like the embodiment variant of FIG. 12, likewise has second valve devices 26 and 27.
  • the further valve means 27 is not associated with the support arm 18, but also, as the valve means 26, provided in or on the housing 6. Also in this embodiment, the first Sectionströmungsweg 20.1 of the flow ungswegs 20 of the interior of the container 2 via the return gas pipe 16 with the interposition of the valve means 26 to the gas space 5.1 of the product 5 is connected.
  • the return gas pipe 16 is indeed passed through the housing 6 of the filling element 1.1 upwards, and protrudes with the upper length over the top of the housing 6, however, the upper, open end 16.2 still within the housing 6 as formed lateral opening which opens into the lock chamber 22 which is sealed by an upper and lower seal 28.1, 28.2.
  • the return gas pipe 16 is axially displaceable on the seals 28.1, 28.2, which are designed in particular as ring seals, out. From the lateral opening 16.2, the first partial flow path 20.1 is guided into the lock chamber 22 and from there via the valve device 26 and the flexible line 25 into the gas space 5.1 of the product chamber 5.
  • FIG. 14 shows a further embodiment variant of the filling system 1 according to the invention, which is essentially constructed like the embodiment variant of FIG. 12, but has a lock space 22 which can be controlled separately by means of the second control valve SV2 and an independent gas channel system 29.
  • the gas channel system 29 connects the lock chamber 22 with the annular channel 30 on one side, and the liquid channel 7 with the interposition of the second control valve SV2 on the other side such that the lock chamber 22 by means of the second control valve SV2 in the cleaning and / or sterilization phase can be controlled, in particular acted upon with inter-gas, is.
  • the lock chamber 22 is in fluid communication with the annular channel 30 designed as a vacuum channel during the cleaning and / or sterilization phase. This leaks from the valve interior are always dissipated in the direction of the annular channel 30 and prevents a possible source of contamination with microorganisms.
  • FIG. 2 shows a container 2 which has been raised in a sealing position against the filling element 1.1 and which is pressed with its container mouth tightly against the centering tulip 11.
  • the liquid product flows with the liquid valve 9 open to the interior of the held in sealing position on the filling element 1.1 and with the inert gas ( Figures 4 and 5) biased container 2.
  • the inert gas displaced from the container 2 via the return gas pipe 16, the opened valve device 26 and the line 25 into the gas space 5.1 of the product vessel 5 is conducted with open valve device 26 (FIG. 7).
  • the level of the lower end 16.1 thus determines the filling level of the filling material in the respective container 2. After closing the liquid valve 9 and the valve means 26 and after relieving the not occupied by the contents of the headspace of the container 2, this is from the filling element 1.1 by lowering decreased.
  • the respective desired filling level is set at the beginning of the filling operation by axial adjustment of the return gas pipe 16 (setting stroke), for example for all filling elements 1.1.
  • the head space of the container 2, which is not occupied by the contents, is pressurized, for example via the first control valve SV1, which is still open.
  • the open valve means 26 and the line 25 contents from the overfilled container 2 in the Basgutkessel 5 as long as returned until the lower end 16.1 of the return gas pipe 16 is outside the contents in the container 2.
  • the container 2 After closing the valve device 26 and after relieving the head space of the filled container 2, for example via the opened second control valve SV2, the container 2 is withdrawn from the filling element 1.1. Also in this Trinox filling method, the respective desired filling level is adjusted by the axial adjustment of the return gas pipe 16 (setting stroke), specifically on all filling elements 1.1 of the filling machine 1.
  • the regulation of the filling level that is, the filling height setting on filling contents in a container 2 to be filled, takes place according to a defined opening profile for the valve device 26.
  • the regulation of the filling level ie the filling height adjustment on filling contents in a container 2 to be filled, takes place with the involvement of the pressure regulating circuit DKR by means of the continuously adjustable valve device 26 as an actuator.
  • the infinitely controllable and / or controllable valve device 26 may be designed such that a fine metering of the inert gas flow takes place during the flushing phase preceding the filling phase at high vacuum in the evacuation phases.
  • the rinsing phase or the rinsing process is designed as a control loop RK depending on the container internal pressure, wherein the container internal pressure can be detected by means of the at least one pressure sensor DS in the filling element 1.1 and forms a control parameter.
  • VRK volume flow control circuit FA Filling element axis MA Machine axis SV1 first control valve SV2 second control valve

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

L'invention concerne un système de remplissage permettant de remplir des récipients (2) avec un produit de remplissage liquide, comprenant au moins une cuve (5) de produit de remplissage fournissant le produit de remplissage ainsi qu'au moins un élément de remplissage (1.1) pour la distribution commandée du produit de remplissage dans le récipient agencé en position étanche sur l'élément de remplissage pendant une phase de remplissage. Au moins un trajet d'écoulement (20) d'un fluide liquide et/ou gazeux est par ailleurs ménagé dans l'élément de remplissage, le trajet d'écoulement étant en communication avec l'intérieur du récipient à remplir au moins pendant la phase de remplissage, et permettant d'évacuer le gaz de retour refoulé hors du récipient pendant la phase de remplissage et/ou de retourner le produit de remplissage refoulé vers la cuve de produit de remplissage. La présente invention est par ailleurs caractérisée en ce qu'au moins sur le trajet d'écoulement est agencé un système de soupape (26, 27) réglable en continu entre une position ouverte et une position fermée qui permet de commander et/ou réguler en continu le flux volumique de fluide liquide ou gazeux parcourant le trajet d'écoulement.
EP19724472.6A 2018-05-30 2019-05-15 Système de remplissage de récipients avec un produit de remplissage liquide et machine de remplissage Active EP3802400B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930605T SI3802400T1 (sl) 2018-05-30 2019-05-15 Polnilni sistem za polnjenje vsebnikov s tekočim polnilnim materialom in polnilni stroj

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018112908.4A DE102018112908A1 (de) 2018-05-30 2018-05-30 Füllsystem zum Füllen von Behältern mit einem flüssigen Füllgut sowie Füllmaschine
PCT/EP2019/062452 WO2019228805A1 (fr) 2018-05-30 2019-05-15 Système de remplissage de récipients avec un produit de remplissage liquide et machine de remplissage

Publications (2)

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EP3802400A1 true EP3802400A1 (fr) 2021-04-14
EP3802400B1 EP3802400B1 (fr) 2023-08-09

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Country Link
EP (1) EP3802400B1 (fr)
DE (1) DE102018112908A1 (fr)
SI (1) SI3802400T1 (fr)
WO (1) WO2019228805A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018127592B4 (de) * 2018-11-06 2020-07-16 Khs Gmbh Füllelement, Füllsystem und Verfahren zum Füllen von Behältern
CN114920194B (zh) * 2022-05-23 2024-07-02 杭州中亚机械股份有限公司 流量可调式灌装装置
DE102022119599A1 (de) 2022-08-04 2024-02-15 Krones Aktiengesellschaft Füllvorrichtung und Verfahren zum Betreiben einer Füllvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29807610U1 (de) * 1998-04-27 1999-05-12 KHS Maschinen- und Anlagenbau AG, 44143 Dortmund Einkammer-Füllsystem
FR2848203B1 (fr) * 2002-12-04 2005-07-29 Sidel Sa Procede et installation de regulation du remplissage d'un recipient avec un liquide
DE102008030948A1 (de) * 2008-07-02 2010-01-21 Khs Ag Füllsystem zum Füllen von Flaschen oder dergleichen Behältern sowie Füllmaschine
DE102009009339A1 (de) * 2009-02-17 2010-08-26 Khs Ag Füllelement zum Füllen von Flaschen oder dergleichen Behältern sowie Füllmaschine mit derartigen Füllelementen
DE102009016084A1 (de) * 2009-04-03 2011-05-12 Khs Gmbh Füllelement zum Füllen von Behältern mit einem flüssigen Füllgut, Füllmaschine sowie Verfahren zum Füllen von Behältern
DE102011120372A1 (de) * 2011-12-07 2013-06-13 Khs Gmbh Füllelement sowie Füllsystem
DE102013109430A1 (de) * 2013-08-30 2015-03-05 Khs Gmbh Verfahren sowie Füllsystem zum Füllen von Behältern
DE102015111536A1 (de) * 2015-07-16 2017-01-19 Khs Gmbh Verfahren sowie Füllsystem zum Befüllen von Behältern
DE102015118612A1 (de) * 2015-10-30 2017-05-04 Krones Ag Vorrichtung zum Befüllen von Behältern mit einem Füllprodukt
DE102015120768A1 (de) * 2015-11-30 2017-06-01 Khs Gmbh Verfahren zum Befüllen von durch Streckblasen hergestellten Kunststoffbehältern

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DE102018112908A1 (de) 2019-12-05
EP3802400B1 (fr) 2023-08-09
WO2019228805A1 (fr) 2019-12-05
SI3802400T1 (sl) 2023-10-30

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