EP3345862A1 - Utilisation d'un dispositif de remplissage, système de remplissage et procédé de remplissage de récipients cylindriques - Google Patents

Utilisation d'un dispositif de remplissage, système de remplissage et procédé de remplissage de récipients cylindriques Download PDF

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Publication number
EP3345862A1
EP3345862A1 EP17000013.7A EP17000013A EP3345862A1 EP 3345862 A1 EP3345862 A1 EP 3345862A1 EP 17000013 A EP17000013 A EP 17000013A EP 3345862 A1 EP3345862 A1 EP 3345862A1
Authority
EP
European Patent Office
Prior art keywords
filling
container
tube
volume
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
EP17000013.7A
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German (de)
English (en)
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EP3345862B1 (fr
Inventor
Benedikt Leibinger
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.)
Leibinger GmbH
Original Assignee
Leibinger 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
Priority to ES17000013T priority Critical patent/ES2786560T3/es
Application filed by Leibinger GmbH filed Critical Leibinger GmbH
Priority to PL17000013T priority patent/PL3345862T3/pl
Priority to HUE17000013A priority patent/HUE049288T2/hu
Priority to EP17000013.7A priority patent/EP3345862B1/fr
Priority to US16/468,065 priority patent/US10894704B2/en
Priority to PCT/EP2017/001433 priority patent/WO2018127268A1/fr
Priority to EP17842415.6A priority patent/EP3565780A1/fr
Priority to EP17002044.0A priority patent/EP3345863B1/fr
Priority to CN201780082572.0A priority patent/CN110167869B/zh
Publication of EP3345862A1 publication Critical patent/EP3345862A1/fr
Application granted granted Critical
Publication of EP3345862B1 publication Critical patent/EP3345862B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/18—Controlling escape of air from containers or receptacles during filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • 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
    • B67C2003/2657—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for filling cans
    • 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
    • B67C2003/2671—Means for preventing foaming of the liquid
    • 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
    • B67C2003/2671—Means for preventing foaming of the liquid
    • B67C2003/2674—Means for preventing foaming of the liquid by creating a conical shaped flow directed to the container wall at the container neck height
    • B67C2003/268—Means for preventing foaming of the liquid by creating a conical shaped flow directed to the container wall at the container neck height by means of a flow channel integral with the filling nozzle

Definitions

  • the invention relates to a use of a filling device, a filling arrangement and a method for filling cylindrical containers, in particular cans, with fluid.
  • Filling devices and methods for filling containers are known in various embodiments.
  • oxygen-sensitive liquids it must be prevented that the liquid comes into contact with the oxygen of the ambient air and undesirable gas binding, gas exchange or gas entry occurs, which may result in a change in the quality of the liquid due to oxidation reactions or increased microbial load. Therefore, containers to be filled with such a liquid are evacuated prior to the actual filling operation, for example, and / or the container interior is purged with an inert gas, etc., for which purpose suitably controllable feeding and discharging gas paths are formed in the respective filling devices.
  • the filling devices may for example have movable tubes and valves, so that the flushing pipe can be introduced into the container before a purge gas supply is opened.
  • Another approach to avoiding contact with atmospheric oxygen is the use of filling devices having a balloon-like expandable body, which is inserted into the container, enveloping a tube, prior to filling. Through this tube, an expansion medium is introduced into the balloon-like body, so that it expands until it completely fills the interior of the container and thereby displaces the ambient air from the container. The liquid then introduced into the container causes the expansion medium to be forced back out of the balloon-like body via the tube.
  • a corresponding method and a device are in the DE 10 2011 100 560 B3 described.
  • the filling amount determined by the filling level which is set by the position of the opening of a return air pipe or a return air bore of the filling device or by means of sensor (level probe) and Actuator (valve) and appropriate control logic - usually set electronically or electropneumatically.
  • Another way to fill the containers with the same amount of filling is by using the flow control logic (mostly magnetic or Coriolis).
  • the container volume is unimportant, since the amount of liquid is measured directly. Disadvantage of these measuring devices is their price / performance ratio and that each expensive control electronics (PLC) must be very precise and expensive actuators must be used.
  • a method and a device for measuring medium-free filling of a container with a constant filling level even with different container shapes are made DE 10 2014 014 317 A1 known.
  • the method provides that a valve cap which has in a housing a gas valve and a liquid valve with valve seats, is placed tightly on a container, and that a displacement element which is longitudinally displaceable axially from the housing, in which it with the surrounding valve seats Ring gap is formed, is introduced into the container.
  • filling fluid flows into the container until the annular gap is flooded before the liquid valve is closed.
  • the displacement element is pulled out of the container, wherein the liquid volumes from the annular gap run into the container.
  • the container For filling foaming liquids such as beer or soft drinks, moreover, the container must be covered with increased pressure in order to prevent or minimize foaming during the filling process.
  • pressure filling the container to be filled in each case bears in a sealed manner against the filling device, so that a pressurized gas (inert gas or carbon dioxide gas) is usually pre-stressed before the actual filling phase via a gas path formed in the filling device. This is displaced during the filling process by the liquid flowing into the container as a return gas from the container interior, which can also be done via a controlled, formed in the filling gas path.
  • a pressurized gas inert gas or carbon dioxide gas
  • DE 10 2013113 070 B3 refers to a filling device which allows a high-purity filling by optimized separation of a clean room from a region with lower purity requirements and is provided by the improved seal in particular for pressure filling cans.
  • a Abdichttulpe which includes, as usual, in a filling the container opening and the discharge opening of the filling device, but now has two sealing elements, one of which seals the transition between the Abdichltulpe and the housing of the filling device and the second, the free, in the filling assembly, the container facing the end is arranged, the first sealing means radially outside a control means on the outer peripheral side surrounds and seals the transition between the Abdichttulpe and the separation point between the clean room area and the other area.
  • Another object of the invention is to provide a device of simpler design, which allows a filling of cylindrical containers or at least substantially cylindrical containers such as cans with reduced oxygen uptake even without rinsing step and without complex measurement and control technology.
  • the further object is to provide a reliable and simplified method of filling (im Essential) cylindrical containers such as cans, in which the consumption of rinsing and clamping gases is reduced, is achieved by a method having the features of the independent claim 9.
  • the basic idea of the invention is the use of a filling device with a filling valve, which has a guided in a filling tube guided piston for filling a cylindrical container whose concentric container opening has a diameter which is 70 to 99.5% of the container inner diameter, as for example with 80 to 90% of the most common standard sizes of beverage cans is the case.
  • the filling valve now has an outer diameter which is adapted to the diameter of the container opening, so that a filling tip of the filling valve - under filling tip is here understood the entire portion of the filling valve, which can be accommodated in the container - coaxial without friction through the container opening in the container can be received when a relative movement between the filling valve and the container is carried out to each other.
  • This may be the insertion of the filling valve into the container; but it can also be moved axially by means of a correspondingly movable container receptacle in the direction of the filling valve to receive the filling valve in the container, so that in both cases the inserted portion of the filling valve - even without expandable balloon elements - occupies a volume in the container, the depending on the filling valve diameter up to 99% of the container volume.
  • either the ambient air present in the container (and thus oxygen) can be displaced from the container by up to 99%, so that purge gas can be dispensed with or the use can at least be minimized.
  • the ambient air present in the container is compressed with sealed container opening during insertion of the filling valve, so that the pressure in the container increases and can be dispensed with span gas; In any case, the amount of clamping gas can be significantly reduced, since the pressure is generated by the mechanical displacement by means of the filling valve.
  • a filling arrangement according to the invention accordingly consists of a filling device and a cylindrical container whose concentric container opening has a diameter which is 70 to 99.5% of the container inner diameter.
  • Containers are predominantly cans that are made very precisely in volume from a metal such as aluminum or tinplate.
  • the can-typical forms are to be understood, in which the upper end is tapered slightly conically towards the filling.
  • cylindrical containers not only the typical circular cross-section but also deviating shapes, such as elliptical or polygonal cross-section shapes should be included. It is essential that the filling opening is concentric with the cross-sectional shape of the container and has a congruent shape whose dimensions make up about 70 to 99.5% of the cross-sectional dimensions of the container.
  • the filling valve is formed so that the outer diameter of the filling valve is adapted to the diameter of the container opening, d. H. slightly smaller precipitates, so that the coaxial insertion of the filling valve can take place in the container through the container opening almost free of play, for example, with a maximum radial clearance of 1 mm, but the filling valve contact non-friction and can be executed and executed.
  • the filling valve will usually also have a circular cross-section corresponding to the usual circular cross-sectional shapes of the container such as cans. If the shape of the container to be filled and the container opening deviate from the circular shape, then the outer contour of the filling valve is adapted thereto, so that here too the insertion of the filling valve into the container at the container opening is almost free of play.
  • the filling device of a filling arrangement is designed such that the filling valve and the container can be moved relative to one another, wherein the filling valve or a container receptacle can be moved accordingly.
  • the arrangement ensures that the filling tip of the filling valve coaxial, ie centered, is introduced into the container through the container opening with the geometric conditions of the container diameter, the opening diameter and the Greventil mismessers is achieved by the introduced filling tip of the filling valve, a volume in the Container can be taken, which is in the range of 49 to 99% of the container volume and can provide for a corresponding displacement or compression.
  • the introduction predetermined filling tip of the filling valve thus has a volume which occupies a volume in the container in the range of 49 to 99% of the container volume.
  • the filling arrangement can have a filling valve, which has a separating tube at the filling tip around the filling tube, which can be moved independently of the filling tube and the piston in a controlled manner.
  • the outer diameter of the filling valve which is adapted to the container diameter, is determined by the separating tube.
  • the filling tube may be formed as a combined separation-filling tube, whose outer diameter is adapted to the diameter of the container opening.
  • the combined separation fill tube is thin-walled and has an increased inside diameter compared to a conventionally sized fill valve. Consequently, the controlled guided piston is designed as a correspondingly flared piston whose diameter is adapted to the inner diameter of the separating filling tube.
  • the piston in addition to a first open position, in which the piston is arranged proximal to a sealing seat of the separating filling tube, at least a second open position, in the piston is located distal to the sealing seat of the separating filling tube.
  • the filling arrangement can have a sealing element, which at the container opening around the filling valve, d. h., Depending on the embodiment of the filling tube, the separation tube or the combined separation-filling tube, is arranged.
  • the filling assembly may additionally comprise a volume compensator salt disposed between the sealing member and the container opening around the fill valve (fill tube, separator tube, or combined separator fill tube).
  • the seal or the volume compensator salt may have a valve, preferably a non-return or overflow valve.
  • the filling valve can have radial flow channels on a front side of the filling tube, of the separating tube or of the combined separating filling tube facing a container bottom, depending on which filling valve is used, in order to allow fluid to emerge from an opened filling valve which contacts the container bottom.
  • Such complete absorption of the filling valve to the ground contact is advantageous for a maximum displacement / compression.
  • the end face of the filling valve may be formed according to the contour of the container bottom. However, care must be taken when contacting the container bottom on a precise control of the relative movement in order to prevent the container is deformed and thus damaged. Since the exact container geometry determines the filling volume, it is particularly important that no deformations occur on the container, which lead to a container volume change.
  • the filling valve has at one pointing to a container bottom end of the filling tube, the separation tube or the combined separation-filling tube a circumferential or a plurality of spaced spacers, which are designed to be elastic / resilient, and so can contact the container bottom, without to risk the deformation of the same.
  • a circumferential single-acting annular seal with valve function such as a sealing lip
  • a sealing lip which not only acts as a resilient spacer, but also opens in one direction to allow fluid from the filling valve to flow into the container, but vice versa seals, and so backflow - or, if the tank pressure is higher than the fill pressure, also prevents gas from entering the tank under the fill valve opening.
  • the filling valve along the insertable filling tip on at least a portion or around a portion of the filling tube or the separating tube (or the combined filling-separating tube) an elastically expandable Body has.
  • the filling valve at the filling tip may have a tapering towards the end centering.
  • filling methods can be distinguished by whether the gas is displaced from the container in step a) when the container opening is not sealed around the filling valve, or compressed in the container when the container opening is sealed around the filling valve.
  • the described advantages of the method according to the invention are further improved by a further embodiment in which the filling valve to the filling tube additionally having a separator tube, which is independent of the filling tube and the piston can be controlled controlled.
  • the outer diameter of the filling valve is in this case determined by the separating tube, which surrounds the filling tube, and is matched to the diameter of the container opening.
  • This also allows the use of conventional filling valves by retrofitting a separately movable separating tube, by the diameter of the filling valve is adapted to the container opening by the separating tube.
  • this also a filling valve can be adjusted by using correspondingly different separation tubes to different container openings.
  • a first height in a first step b) depending on the attainable in step b0) filling level with the preset filling pressure and the predeterminable container pressure also is previously known to be defined in the radial gap volume and thus predetermined, so that the volume which is limited in the separation tube through the filling tube in the first predetermined height corresponds to a volume difference of the gap volume between the maximum filling level and the achievable filling level.
  • the sub-layer filling process is improved by the separation tube, so that quasi-laminar flow conditions can be achieved since the fluid level in the gap volume without turbulence rises extremely quietly, the oxygen uptake at the contact surface is further reduced.
  • the predetermined control parameter in step c) may be a pre-set fill time resulting from a predetermined fill volume in the container and a set fill volume flow of the fill.
  • the predetermined filling volume corresponds to a nominal volume in the case of cans, since cans, unlike bottles, are manufactured very precisely.
  • the closing of the filling valve in step d) takes place after the predetermined filling time.
  • the filling time can thus be predetermined before the filling process and entered in a control step for setting up the filling device in the control device.
  • the predetermined height at which the upward movement of the filling valve or the filling pipe is terminated and the piston is transferred to the closed position is used to control the filling operation and input to the control device accordingly.
  • the method according to the invention which uses the filling arrangements according to the invention, can thus be carried out virtually without measuring means - none of the measuring devices or measuring means required in the prior art are required.
  • the setting and monitoring of the desired filling volume by means of a control instrument such as a magnetic-inductive flow meter or by means of a filling height determination can be dispensed with.
  • a volume compensator Aufsalz between the container opening and the sealing element is sealingly used to set up the filling device when sealing the container opening to the filling valve.
  • the volume compensator annulus is configured such that a volume of an annular gap formed in the volume compensator cup between its wall and the fill valve corresponds to a displaced volume caused by a portion of the fill valve that is still within when the filler valve closes in step d) the container is present.
  • the volume present in the container in this case corresponds to the difference between the predetermined filling volume and the displaced volume.
  • a further embodiment provides that the sealing element, or, if used, the volume compensator Aufsalz having a check valve or overflow. This prevents the pressure in the container from exceeding a maximum pressure predetermined for the filling process. Due to a low overpressure in the pressure filling, which is kept constant, it comes in conjunction with the reduced contact area and the low-turbulence filling to a further reduced oxygen input.
  • the pressure can also be pressed during the "pumping step" when the fluid volume present in the separating tube below the closed filling tube is pressed into the annular gap by the relative downward movement of the closed filling tube to be kept constant.
  • a filling valve is used with a combined separating-filling tube, which has the same outer diameter, which is adapted to the diameter of the container opening, a larger inner diameter than the above filling tubes and thus is thin-walled.
  • the associated controlled guided piston has a diameter which is adapted to the enlarged inner diameter of the separating filling tube, d. H. is also enlarged.
  • the piston guide is formed in the separation fill tube such that the piston has at least a second open position in addition to the open position in which the piston is arranged to flow the fluid proximally to a sealing seat of the separation fill tube the piston is disposed distally of the sealing seat of the separating filling tube, so that a displacement volume can be provided within the separating filling tube, which supplements the volume of fluid which has flowed into the gap volume to the predetermined filling volume.
  • step c1) the separation fill tube is transferred to a position where an axial gap of 3 to 5 mm remains between the lower end of the separation fill tube and the container bottom.
  • the separation fill tube remains in this position while the piston is transferred to the second open position of the fill valve, which is in the region of the container opening, while the separation fill tube is filled with the intended displacement volume of fluid.
  • step d1) the piston moves to the closed position and the fluid passes from the displacement volume of the separation fill tube into the container so that the container is completely filled and in step e) the closed fill valve is withdrawn to fill a next container.
  • the invention relates to the filling of cylindrical containers - such as cans - by means of a special filling arrangement. It is exploited that cans, in addition to bottles and boxes represent the most important packaging for drinks, especially for carbonated drinks such as beer or soft drinks, have a highly accurate cylindrical shape with a coaxial filling, which is only slightly smaller than the container diameter.
  • the most common can volumes in Europe are 0.33 l and 0.5 l, but there are also cans with a volume of 0.15 l, 0.2 l and 0.25 l as well as 1 l and 5 l. According to the invention, however, containers can also be filled with other volumes as long as the container volume is known.
  • Fig, 1 shows a simplest embodiment of the method and a suitable filling arrangement, which consists of the filling valve 1 and the container 2.
  • This is a can, whose substantially cylindrical shape is slightly tapered at the upper end to the coaxial filling opening 21.
  • the taper serves primarily for receiving the cover, not shown here, which is placed after the filling process and connected by (multiple) flanging with the edge of the can.
  • the inventive method uses this difference between the container (inner) diameter D and the diameter d Dl Do of the container opening 21, which is 70 to 99.5%, typically between 80 to 90% of the container inner diameter d Dl.
  • the movable filling valve 1 which consists in the simplest embodiment of filling tube 11 and controllably guided piston 10, has an outer diameter d Fa , which is adapted to the diameter d Do the container opening 21 so that the filling valve 1, although contact and frictionless but also as possible clearance as possible through the container opening 21 into the container 2 can be introduced.
  • the procedure that is also simplified in schematic Fig. 8 is shown, provides that the container 2 (in step 0) is arranged with respect to the.
  • the container volume V D Prior to introduction, the container volume V D is filled with ambient air (but possibly also with another gas) at an outlet pressure p o (eg ambient pressure).
  • step a0) in Flg. 8 is indicated by the block arrow that the filling valve 1 is inserted into the container 2, whereby the pressure p in the container increases when the container opening 21 is sealed. But even without sealing, there may be a (temporary) pressure increase when the air can escape only slowly through the filling opening 21 to the filling valve 1.
  • Step a) shows in Fig. 1 and Fig. 8 the filling valve 1 introduced completely into the container 2.
  • the filling tip of the filling valve 1 having the volume V F which has penetrated into the container 2 leads either to an increase in pressure in the remaining gap volume ⁇ V when the filling opening 21 is sealed or to a displacement of a large part of the gas volume from the container, so that in the gap volume .DELTA.V (difference between the container volume V D and introduced Golfventilvolumen V F ) existing gas or air and thus oxygen quantity is significantly reduced
  • the container 2 has a shaped bottom 22. So that the filling valve 1 can be completely retracted without deforming the bottom 22, the filling tube 11 at the front end, which has the sealing seat 13 for the piston 10, according to the shape the bottom 22 formed.
  • step b) the valve 1 is brought into an open position by transferring the piston 10, so that fluid flows into the container 2, while at the same time the opened filling valve 1 is moved upwards.
  • step b) is shown in two illustrations, wherein once by the block arrow, the opening of the filling valve 1 is shown, which is only slightly raised from the container bottom or channels in the end face - So that fluid can penetrate into the gap volume .DELTA.V.
  • the block arrow indicates the upward movement of the open filling valve 1, wherein the speed of the upward movement with the inflow velocity of the fluid is tuned, so that the end face of the valve 1 with the valve opening is always below the fluid level in the gap volume .DELTA.V.
  • the lower-layer filling process is continued by upward movement of the filling tube 11 with the piston 10 in the open position, with hardly any turbulence and thus the gas input via the contact surface is further reduced.
  • the reduced contact area leads to a significantly reduced oxygen uptake in the fluid with the reduced air volume and the lower-layer filling process.
  • Step c), shown in Flg. 1, shows the opened filling valve 1 in a height of the container opening 21, to softer the upward movement of the filling valve 1 is tuned within the container 2 with respect to the filling process or the filling amount or the filling speed.
  • a predetermined control parameter is used, which takes into account the predetermined filling volume in the container 2. Since cans are very accurately manufactured with respect to their volume, the predetermined filling volume corresponds to the nominal volume.
  • the control parameter in step c) may be a preset filling time, which results from a predetermined filling volume in the container 2 and a set filling volume flow of the filling device.
  • no complex sensor technology is thus required.
  • step d the closing of the filling valve 1 takes place in a step d), as indicated by the block arrow in the corresponding representation in FIG Fig. 8 is indicated, wherein the predetermined filling volume in the container. 2 is reached.
  • step e the closed filling valve 1 is withdrawn, so that a next container 2 can be subjected to the filling process.
  • Figure 11 shows a filling valve 1 with a conically tapered centering portion 19 at the filling tip, through which the coaxially centered insertion of the filling valve 1 is supported by the container opening 21 in the container 2.
  • FIGS. 2 to 5 and Fig. 9 . 10 show method steps with a preferred filling arrangement, in which the filling valve 1 additionally has a separating tube 12 which is arranged directly and coaxially around the filling tube 11 and is controlled independently movable.
  • Fig. 2 shows the filling assembly without sealing and Fig. 5 with seal.
  • the method steps shown are applicable for both variants.
  • the method which is carried out with the separating tube filling device 12 is also distinguished by the reduced contact surface, a reduced volume of air and the lower-layer filling process, which lead to a significantly reduced absorption of oxygen in the fluid.
  • step a the filling valve 1 is completely inserted through the container opening 21 into the container 2.
  • an axial gap A remains between the lower end of the separation tube 12 and the container bottom 22 in order to allow fluid to flow into the gap volume ⁇ V formed between the container wall 20 and the separation tube 12 if, as in FIG Fig. 9 in step b0) is represented by the block arrow in the piston, the piston 10 has been transferred to an open position of the filling valve 1.
  • the filling method using a filling valve 1 with a separating tube 12 can, as with Fig. 2 shown, without sealing the container opening 21 are performed so that gas or air can escape.
  • a pressure filling operation can also be carried out, in which the container opening 21 is sealed around the filling valve 1, as in FIG Fig. 3, 4 . 5 and 10 is shown.
  • step b0 the piston 10 is transferred to an open position of the filling valve 1 and the fluid is allowed to flow through the axial gap A into the radial gap volume ⁇ V between the container wall 20 and the separating tube 12.
  • the fluid flows into the radial gap volume ⁇ V until there is pressure equalization between the filling pressure preset in the filling device and the container pressure p, whereby the filling level h in the radial gap volume ⁇ V is determined.
  • the tank pressure p may be predetermined and depends on whether the tank opening is sealed or not, and whether there is a check or spill valve.
  • the fluid level in the gap volume .DELTA.V in the container 2 no longer increases when the filling valve 1 is open, when a pressure equalization between pressure in the container 2 and filling pressure is reached.
  • a pumping step is preferably carried out (if appropriate, however, several of the pumping steps described below can also be carried out).
  • step b1 During the subsequent upward movement of the filling tube 11 with the piston 10 in the open position within the separating tube 12, as indicated in step b1) by the block arrow above the piston, the separating tube 12 is left in its fully inserted position, so that the separating tube 12 filled with fluid.
  • step b2) the upward movement of the filling tube 11 with the piston 10 in the open position at a predetermined height H is terminated and the piston 10 is transferred to the closed position.
  • This height H is predetermined as a function of the filling height h in the radial gap volume ⁇ V achieved with the preset filling pressure and the predeterminable container pressure p in step b0).
  • the height H can be calculated from the volume which flows through the separator tube 12
  • Filling tube 11 is limited in height H and the volume difference of the gap volume .DELTA.V between the maximum filling height h max and the achievable filling height h should correspond.
  • step a1) The volume of fluid present after step b2) up to the predetermined height H in the separation tube 12, in step a1) ( Figures 5 and 9) by fully inserting the filling tube 11 with the piston 10 in the closed position from the separation tube 12 through the axial gap A in the radial gap volume .DELTA.V pressed.
  • the fluid level rises there accordingly - preferably up to the maximum level, the remaining existing gas is completely displaced from the container. If the complete filling of the gap volume ⁇ V can not be achieved with a pumping step, it may be necessary to repeat the sequence of steps b0) -b1) -b2) -a1) -b0) ... until, in a step a1), the gap volume ⁇ V is completely up to a portion of the container opening 21 is filled.
  • step c1) the filling tube 11 is then moved with the piston in the open position within the separation tube 12 up in a region of the container opening 21, wherein the entire separation tube volume fills with fluid.
  • the upward movement (s) of the filling valve 1 within the container 2 to the container opening 21 is also timed here, since all volumes (filling volume, fission volume, differential volume, volume in the separation tube, etc.) are predetermined or predeterminable.
  • step d1) the piston 10 is transferred into the closed position and the separation tube 12 is withdrawn, the column of fluid 12 previously remaining in the separation tube 12 remaining in the container 2, which is thus completely filled, so that the filling valve 1 in step e) is withdrawn.
  • Fig. 3 shows a process step a0) during the insertion of the filling valve 1 into the container 2 at a time at which the seal 14 is placed.
  • the seal 14 can also be placed on the container 2 prior to insertion of the filling valve 1, wherein a maximum pressure, the container volume V D and the volume V F of the fully inserted portion of the filling valve 1 after the complete insertion the filling valve 1 is achieved by compression of the amount of gas present in the container volume Vo.
  • a spandr pressure of 3 bar can be set when a filling pressure of 2 bar is provided.
  • Fig. 4 shows the additional arrangement of a volume compensator attachment 15, which is used sealingly when sealing the container opening 21 to the filling valve 1 between the container opening 21 and the sealing element 14.
  • the volume compensator attachment 15 is preferably used in one embodiment of the method, which additionally has an elastically expandable body, and which will be described later in connection with FIG Fig. 7 will be described in detail.
  • a pressure relief valve 16 may be arranged, which, as shown, in a gas discharge 16 'can open, but not necessarily.
  • Fig. 6 shows in eight illustrations an embodiment of the method employing an alternative fill valve 1 with a combined separation fill tube 112.
  • the difference to the filling valve 1 off Fig. 1 consists in that the separation filling tube 112 with the same outer diameter d Fa , which is adapted to the diameter d Do of the container opening 21, has a larger inner diameter d Fl and consequently significantly thinner than the filling tube 11 from Fig.1 is. Consequently, the associated controlled guided piston 100 has a correspondingly larger diameter d K l which is adapted to the inner diameter d Fi of the separating filling tube 112.
  • the filling valve 1 is fully inserted into the container 2 in step a) until the end face of the filling valve 1 contacts the container bottom 22.
  • the illustrated variant shows a pressure filling, wherein the container opening 21 is sealed around the filling valve 1. The adjustment of the pressure is done as described above. The process can also be carried out without sealing.
  • step b0 the filling valve 1 is opened by moving the piston 100 into the first opened position of the filling valve 1, so that fluid in the radial gap volume .DELTA.V between the container wall 20 and the separation-filling tube 112 can flow.
  • step b1.1 an upward movement of the separating filling tube 112 with the piston 100 is carried out in the open position, wherein here too a lower-layer filling operation is achieved by the fluid level (not shown) in the gap volume ⁇ V during the filling process in the upward movement above the front side of the filling valve 1 is located.
  • step b2) at a predetermined height H, the upward movement of the separating filling tube 112 is stopped with the piston 100 in the first open position and the piston 100 is transferred to the closed position.
  • step a1) by completely reinserting the separation filling tube 112 with the piston 100 in the closed position, a repressing or pumping step can be carried out, with which the level of the fluid level in the gap volume .DELTA.V is raised, the pressure in the container 2 remains constant due to the pressure relief valve 16.
  • step b0) is repeated - whether steps b1.1), b2) and a1) are repeated depends on the geometric conditions and the predetermined height H - before in step c1) the separation-filling tube 112th is transferred to a position in which, as in the separation tube 12, an axial gap A between the lower end of the separation filling tube 112 and the container bottom 22 remains before the piston 100 is moved to its second open position, wherein the separation-filling tube 112 fills with fluid.
  • the position of the piston 100 in the second open position is selected so that the displacement volume Vv within the separation fill tube 112 complements the gap volume ⁇ V to the predetermined fill volume so that in step d1) the separation fill tube 112 is retracted until the piston 100 in FIG Closed position comes, so that the fluid from the separation-filling tube 112 passes into the container 2, and this is completely filled. It follows the step e), not shown, in which the filling valve 1 is withdrawn.
  • This method also uses the known geometric parameters and can be performed time-controlled with a coordinated sequence of movements.
  • FIG Fig. 7 A further exemplary embodiment of the method according to the invention with a filling arrangement likewise according to the invention is shown in FIG Fig. 7 shown.
  • a filling valve 1 with a separating tube 12 is used, which is surrounded by an elastically expandable body 17, which extends along the entire in the container 2 (including volume compensator attachment 15 in this embodiment) imported portion of the separating tube 12.
  • an elastically expandable body 17 which extends along the entire in the container 2 (including volume compensator attachment 15 in this embodiment) imported portion of the separating tube 12.
  • a plurality of elastically expandable bodies may be arranged circumferentially and / or axially distributed around and on the filling valve 1.
  • an arrangement of an elastically expandable body on one of the filling valve described without separation tube 1 is conceivable.
  • the elastically expandable body extends correspondingly only along the entire section of the separation tube 12 introduced into the container 2.
  • the type, number and arrangement of the elastically expandable body or body depends on whether it has been removed in step a ) the closed filling valve 1 has been completely inserted into the container 2 sealed in this case, is allowed to expand in step a1), so that in step a2) on the inner surfaces of the container 2 and, as in the example shown, on the inner surface of the volume compensator attachment 15 for Plant comes and almost completely in the container 2 previously present ambient air (or another gas) by the present in the volume compensator 15 pressure relief valve 16 presses.
  • the expansion of the elastically expandable body 17 may be effected by supplying an expansion fluid, which may be a gas, but it is also conceivable that after the full insertion of the filling valve 1, whereby gas has been displaced from the container Filling tube 11 is moved with the piston 10 in the closed position upwards, whereby in the container 2, a negative pressure is created, which leads to the expansion of the elastically expandable body 17.
  • an expansion fluid which may be a gas
  • step b1b first the transfer of the piston 100 to the open position of the filling valve 1 takes place so that fluid flows into the radial gap volume ⁇ V between the container wall 20 and the filling valve 1, whereby the elastically expandable body 17 is compressed in step b1a) until it rests against the separation pipe 12 again (step b1b).
  • step b2) (not shown) an upward movement of the filling tube 11 with the piston 10 in the open position up to a predetermined height H in a region of the container opening 21st performed, wherein the separation tube 12 in the fully retracted position in which the axial gap A remains, so that the separation tube 12 fills with fluid.
  • the filling valve 1 is closed in step d1), if in step b2) the predetermined height H in the region of the BeHoitarö Stamm 21 is reached.
  • step d2) the retraction of the separation tube 12 follows, which advantageously simultaneously opens the seal 14, which is connected to the separation tube 12. Then, the closed filling valve 1 is withdrawn from the completely filled container 2 in step e), not shown.
  • the Vofumenkompensatoranksatz 15 which also in Fig. 4 is shown with the annular gap 15 ', which is formed between the inner wall of the volume compensator attachment 15 and the separation tube 12, a volume corresponding to a displaced volume, which is caused by the part of the filling valve 1, the closing of the filling valve. 1 in step d1) is present within the container 2, which in the present case is the separating tube 12.
  • the filling quantity is determined by the known geometries (volume) of the container (can) and the filling valve, which at the same time represents a displacement element.
  • volume volume
  • the filling valve various designs are conceivable.
  • An inventive filling valve (with or without separator tube, expansion body ...) is matched with its outer diameter to the diameter of the container to be filled, which has only a small difference to the container diameter.
  • inexpensive measuring devices such as MID sensors omitted.
  • actuator and appropriate control logic can be dispensed with.
  • the size of the annular area between container wall and filling valve is dependent on vessel diameter and vessel opening diameter and can therefore be very small - the contact area reduction occurs which results in reduced gas absorption in the filled fluid.
  • the ambient air present in the container is flushed by carbon dioxide, which causes a very high carbon dioxide consumption
  • the amount of oxygen according to the invention is significantly reduced by the mechanical displacement of the air from the container due to the geometric conditions even in embodiments without expandable body. Due to the lower-layer filling process around the separating or filling tube, less or no turbulence of filled fluid and residual gas in the container is produced, as a result of which oxygen uptake is further minimized.
  • the pressure required for pressure filling (back pressure, saturation pressure, filling pressure), which is generated in the prior art by compressed gas, usually carbon dioxide or nitrogen, mechanically provided by the sealing of the filling opening during insertion of the Greventlis, so that clamping gas and corresponding Devices for feeding can be omitted.
  • the desired pressure is simply adjustable by determining the required insertion depth given geometric conditions.
  • the filling device used is very simple and hardly prone to error. But even if the invention preferably makes do without rinsing and clamping gas, the implementation of such steps in the inventive method is not excluded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP17000013.7A 2017-01-05 2017-01-05 Système de remplissage et procédé de remplissage de récipients cylindriques Active EP3345862B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL17000013T PL3345862T3 (pl) 2017-01-05 2017-01-05 Układ napełniania i sposób napełniania pojemników cylindrycznych
HUE17000013A HUE049288T2 (hu) 2017-01-05 2017-01-05 Töltõszerkezet és eljárás henger alakú tartályok töltésére
EP17000013.7A EP3345862B1 (fr) 2017-01-05 2017-01-05 Système de remplissage et procédé de remplissage de récipients cylindriques
ES17000013T ES2786560T3 (es) 2017-01-05 2017-01-05 Disposición de llenado y procedimiento para el llenado de contenedores cilíndricos
US16/468,065 US10894704B2 (en) 2017-01-05 2017-12-20 Method for filling cylindrical containers, in particular cans, and filling arrangement of a filling device and a container
PCT/EP2017/001433 WO2018127268A1 (fr) 2017-01-05 2017-12-20 Procédé de remplissage de récipients conservés cylindriques, en particulier de boîtes et système de remplissage constitué d'un dispositif de remplissage et d'un récipient
EP17842415.6A EP3565780A1 (fr) 2017-01-05 2017-12-20 Procédé de remplissage de récipients conservés cylindriques, en particulier de boîtes et système de remplissage constitué d'un dispositif de remplissage et d'un récipient
EP17002044.0A EP3345863B1 (fr) 2017-01-05 2017-12-20 Système de remplissage et procédé de remplissage de canettes
CN201780082572.0A CN110167869B (zh) 2017-01-05 2017-12-20 用于填充圆柱形容器、特别是罐子的方法以及填充装置和容器的填充系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17000013.7A EP3345862B1 (fr) 2017-01-05 2017-01-05 Système de remplissage et procédé de remplissage de récipients cylindriques

Publications (2)

Publication Number Publication Date
EP3345862A1 true EP3345862A1 (fr) 2018-07-11
EP3345862B1 EP3345862B1 (fr) 2020-03-04

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EP17000013.7A Active EP3345862B1 (fr) 2017-01-05 2017-01-05 Système de remplissage et procédé de remplissage de récipients cylindriques
EP17842415.6A Withdrawn EP3565780A1 (fr) 2017-01-05 2017-12-20 Procédé de remplissage de récipients conservés cylindriques, en particulier de boîtes et système de remplissage constitué d'un dispositif de remplissage et d'un récipient
EP17002044.0A Active EP3345863B1 (fr) 2017-01-05 2017-12-20 Système de remplissage et procédé de remplissage de canettes

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EP17842415.6A Withdrawn EP3565780A1 (fr) 2017-01-05 2017-12-20 Procédé de remplissage de récipients conservés cylindriques, en particulier de boîtes et système de remplissage constitué d'un dispositif de remplissage et d'un récipient
EP17002044.0A Active EP3345863B1 (fr) 2017-01-05 2017-12-20 Système de remplissage et procédé de remplissage de canettes

Country Status (7)

Country Link
US (1) US10894704B2 (fr)
EP (3) EP3345862B1 (fr)
CN (1) CN110167869B (fr)
ES (1) ES2786560T3 (fr)
HU (1) HUE049288T2 (fr)
PL (1) PL3345862T3 (fr)
WO (1) WO2018127268A1 (fr)

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Also Published As

Publication number Publication date
US20200017343A1 (en) 2020-01-16
EP3345863C0 (fr) 2023-06-21
EP3345863B1 (fr) 2023-06-21
WO2018127268A1 (fr) 2018-07-12
EP3345863A3 (fr) 2019-06-12
CN110167869A (zh) 2019-08-23
EP3345863A2 (fr) 2018-07-11
HUE049288T2 (hu) 2020-09-28
EP3565780A1 (fr) 2019-11-13
ES2786560T3 (es) 2020-10-13
CN110167869B (zh) 2021-09-03
PL3345862T3 (pl) 2020-08-24
US10894704B2 (en) 2021-01-19
EP3345862B1 (fr) 2020-03-04

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