EP2781272B2 - Dispositif et procédé de nettoyage de récipients - Google Patents

Dispositif et procédé de nettoyage de récipients Download PDF

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Publication number
EP2781272B2
EP2781272B2 EP14161012.1A EP14161012A EP2781272B2 EP 2781272 B2 EP2781272 B2 EP 2781272B2 EP 14161012 A EP14161012 A EP 14161012A EP 2781272 B2 EP2781272 B2 EP 2781272B2
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Prior art keywords
containers
container
lye
treatment area
main
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EP14161012.1A
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German (de)
English (en)
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EP2781272B1 (fr
EP2781272A1 (fr
Inventor
David Kutschke
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Krones AG
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Krones AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/083—Removing scrap from containers, e.g. removing labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/22—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by soaking alone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
    • B08B9/30—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking and having conveyors

Definitions

  • the present invention relates to a device and a method for cleaning containers, preferably for cleaning reusable bottles in a beverage bottling plant.
  • Cleaning devices for cleaning containers in bottling plants are known. Depending on the degree of contamination of the containers brought in, cleaning is required with varying levels of complexity. Since reusable bottles can be heavily soiled due to improper storage or the introduction of foreign substances such as cigarette ends, it is necessary to carefully remove the foreign substances that contaminate the reusable bottles in this way. Furthermore, before the reusable bottles can be used again, it is necessary to remove the labels adhering to the outside and to provide bottles that have been completely cleaned inside and outside, which can be subjected to a renewed filling, sealing and labeling process.
  • Cleaning machines are known for carrying out these cleaning tasks, which can be operated continuously and in which the respective containers to be cleaned usually pass through a number of cleaning zones.
  • There is usually a pre-cleaning area in which the containers to be cleaned are first completely emptied in order to allow product residue to drip out and to remove loose material from the containers.
  • the bottles are also usually sprayed out with a water jet or lye jet and are pretreated on the outside and inside with a so-called pre-soak or pre-lye. The bottles are then warmed up for further treatment in order to avoid the occurrence of stress fractures.
  • the containers to be cleaned are repeatedly treated with the so-called main lye.
  • the containers are immersed in a lye bath, moved in this and then lifted out of the lye bath again, with the interior volume of the respective bottles being completely filled and then draining out again.
  • the containers can also be sprayed down or washed down with the main suds in order to apply additional mechanical cleaning components or to loosen stubborn dirt with the applied impulse.
  • the containers to be cleaned After passing through the main treatment area, the containers to be cleaned are post-treated in an after-treatment area, in which case they usually first run through a so-called post-caustic solution, which is used for rinsing, and the containers are then rinsed with pure water, whereby they are also cooled down again before they can then be output from the cleaning machine after it has largely run out or dripped off.
  • post-caustic solution which is used for rinsing
  • double-end cleaning machines With regard to the geometry of the cleaning machines, a distinction is made between double-end cleaning machines and single-end cleaning machines, with a double-end cleaning machine the stream of containers to be cleaned entering the cleaning machine at one end of the cleaning machine, then passing through the pre-treatment area, the main treatment area and the after-treatment area in the cleaning machine, and then on the other side of the cleaning machine for further processing.
  • single-end cleaning machine the containers to be cleaned are input into the cleaning machine at one side of the cleaning machine, the containers then pass through the pre-treatment section, the main treatment section as well as the post-treatment section in the cleaning machine, and then the cleaned containers are discharged at the same side as the to cleaning containers were also entered into the cleaning machine.
  • Discharge of the labels is preferably supported here by applying a surge to the containers, which preferably provides a flow of liquid directed out of the respective transport basket or the respective transport cell in which the container is guided.
  • a surge preferably provides a flow of liquid directed out of the respective transport basket or the respective transport cell in which the container is guided.
  • the labels detached by immersion in the lye baths are flushed out of the respective container basket or the respective container cell and then removed again from the main treatment area via a label discharger arranged in the respective lye bath.
  • the label discharge of the respective caustic bath can be combined with a shard discharge.
  • the detached labels which are still on the containers or in the container baskets or container cells, can no longer be reliably removed.
  • the FR 2 347 305 A1 describes a device for cleaning bottles.
  • the device has a hot wash bath, a rinsing device and a chain conveyor for transporting the bottles through the device.
  • a device for cleaning containers preferably for cleaning reusable bottles in a beverage bottling plant, comprising a pre-treatment area in which the containers are sprayed with water or preliminary caustic and the containers are heated or preheated, a main treatment area in which the containers are cleaned by means are treated with a main lye, with repeated immersion in the main lye taking place and with meandering guidance of the containers after the containers have been completely filled with the main lye, so that the main lye completely flows out of the container, and an after-treatment area in which the containers with be treated in a water or post-caustic bath and then rinsed with water.
  • a surge device for removing labels and/or label residue is provided in the after-treatment area, with the surge device being arranged in the water or after-caustic bath in the after-treatment area, and with at least one nozzle of the surge device being aligned in such a way that it creates a directed flow of liquid below the liquid level of the water or post-caustic bath.
  • the exposure time or treatment time of the suds or cleaning liquids from the respective preceding treatment sections on the containers can be extended to the maximum, so that even labels that are difficult to remove can be reliably removed after the maximum exposure time.
  • the cleaning device can be correspondingly shortened, as a result of which the system can be operated more efficiently overall, since investment costs, operating costs and throughput time can be reduced.
  • problematic labels for example labels that are intended to withstand the storage of the respective bottles in ice water for several hours, can also be removed using the surge device arranged in the after-treatment area for removing labels and/or label residues.
  • the cleaning device does not have to be lengthened for this purpose, but the extended exposure time of the alkalis and other cleaning liquids is achieved by placing the surge device as late as possible, since the labels can then be removed by surge after a maximum exposure time.
  • shards and dirt can also be removed from the post-treatment area in this way.
  • the surge device is arranged in a post-caustic bath or a water bath in the post-treatment area.
  • a device for cleaning can be constructed by using already known system components.
  • the impulse can be applied as late as possible by the liquid movement in the surge device, so that the labels can be reliably removed after a maximum exposure time.
  • the surge device is preferably set up to generate a directed flow of liquid in a post-caustic bath for rinsing the containers and particularly preferably to generate a directed flow of liquid out of a container basket or a container cell each holding a container.
  • labels can be rinsed off the containers and labels can be rinsed out or off of the container basket or container cell. In this way, other foreign substances that are in the container cell or the container basket can be flushed out of them.
  • the flow applied by the surge device is directed in such a way that the labels are supported in being discharged from a container basket or a container cell.
  • the flow is preferably in the direction of the opening of the respective container basket or directed towards the container cell, preferably from top to bottom, so that detached labels are flushed out of the container cell or the container basket.
  • the surge device is preferably connected to a label discharge for removing detached labels from the post-treatment area.
  • the label discharge can be arranged, for example, opposite the surge device, preferably in the direction of the liquid flow applied by the surge device, so that the rinsed labels are rinsed into the label discharge.
  • the surge device has at least one nozzle for each container position across the width of the machine, preferably for each container cell position or container basket position.
  • a correspondingly directed flow of liquid can be maintained at each container position, container cell position or container basket position, which enables the labels and container baskets or container cells to be rinsed off as it passes through the respective container, container basket or container cell.
  • the device comprises a larger number of nozzles per container position, for example two, three or five nozzles, which are each designed to form the flow directed out of the container basket or the container cell, so that this flow is maintained over a certain transport path of the containers can be preserved.
  • Such a nozzle or such a plurality of nozzles, emits the respective liquid flow for applying the flow of the surge device below the respective liquid level in the caustic bath or water bath, so that foaming can be reduced.
  • the nozzles preferably discharge the liquid flow generated in each case downwards in order to enable the container baskets or container cells to be directly impinged with the liquid flow downwards and correspondingly to allow the labels to be rinsed out of the respective container basket or container cell downwards in order to ensure safe and to enable efficient rinsing of the labels.
  • a bottle grid is provided, which is arranged below the surge device, preferably in such a way that a directed flow of liquid from the surge device is directed towards the bottle grid. In this way, detached labels and other foreign matter can be flushed out, with the labels and foreign matter being able to be removed from the after-treatment area via the bottle grid.
  • the surge device is combined with a shard discharge, so that detached labels are discharged in the area of the shard discharge. In this way, existing components can be used to improve cleaning.
  • a tripping step is preferably provided, which enables the containers arranged in a container cell or a container basket to tip over, the tripping step preferably being arranged in the region of the surge device. Due to the tripping step, which can also be designed as a movement threshold, the containers accommodated in the individual container baskets or container cells are tilted or moved within the container cell or within the container basket in such a way that labels or other labels may be clamped firmly between the container and the container cell or the container basket Foreign substances are dissolved and can then be flushed out through the surge device.
  • the device can be used in both a double-ended machine and a single-ended machine. Particularly preferably, after the flooding device, only rinsing of the then completely cleaned containers with pure water is provided, so that the labels are removed with the flooding device at the latest possible point in time in the treatment process.
  • the quality of the cleaning of the cleaned container can be further improved, so that as little entrainment as possible of further impurities or pollutants is achieved in the further course of processing.
  • a method for cleaning containers comprising a pretreatment in which the containers are sprayed with water or a preliminary lye and the containers are heated or preheated, a main treatment which in is carried out in a main treatment area, in which the containers are cleaned using a main lye, with repeated immersion in the main lye taking place and with the containers being guided in a meandering pattern after the containers have been completely filled with the main lye, the main lye being completely drained from the container , as well as an after-treatment in an after-treatment area in which the containers are treated with an after-caustic or water provided in a water or after-caustic bath and are rinsed with water.
  • labels and/or label residues are rinsed off the containers and/or container cells and/or container baskets transporting the containers in the aftertreatment area using a gushing device, with the gushing device being arranged in the water or post-caustic bath in the aftertreatment area, and with at least one nozzle of the gushing device being so is oriented to emit a directed flow of liquid below the liquid level of the water or post-caustic bath.
  • FIG 1 shows the schematic structure of a device 1 for cleaning containers, here in the form of a double-end bottle cleaning system.
  • the containers to be cleaned are entered into the device 1 in a pretreatment area 10 in the direction of the arrow, the containers being inverted in the pretreatment area 10, for example, so that remaining product residue can escape and loose impurities can fall out.
  • the containers are also sprayed with water or pre-lye and the containers are warmed up or preheated, for example by using gradually warmer pre-lye or gradually warmer water.
  • the containers After passing through the pre-treatment area 10, the containers enter a main treatment area 12, in which the containers are immersed in a main lye bath, in which the dirt, foreign matter and product residues on the outside and inside of the containers to be cleaned are removed.
  • a main treatment area 12 in which the containers are immersed in a main lye bath, in which the dirt, foreign matter and product residues on the outside and inside of the containers to be cleaned are removed.
  • a surge device can also be provided in the main treatment area 12, where the relative movement between the liquor and the container to be cleaned is increased by applying an increased flow, so that the mechanical impulse components introduced enable efficient cleaning of the container.
  • the containers In the post-treatment area 14, which the containers reach after they have completely passed through the main treatment area 12, the containers are post-cleaned by means of a post-caustic bath and the containers are slowly cooled back down to the ambient temperature. In the post-treatment area 14, the cleaned containers are also sprayed out with pure water, so that completely cleaned containers are available at the outlet, which containers can be supplied for further processing.
  • the containers pass through a schematically indicated water or post-caustic bath 20, in which a label removal device 3 is provided.
  • the label discharge 3 is provided in such a way that the containers guided in container baskets are guided over a corresponding bottle grid 30 with the container baskets or container cells open at the bottom.
  • the bottle grate 30 is used on the one hand to pull off labels, which are discharged from the respective container baskets in the area of the label discharge 3, downwards, and also allows any broken pieces or dirt to be discharged downwards.
  • the label discharge 3 is integrated with a shard discharge 4, which is indicated only schematically.
  • a surge device 5 is provided in the area of the label discharge 3 in such a way that a flow directed from top to bottom is provided in the area of the bottle grate 30 .
  • This flow is generated in the water or post-caustic bath 20 by means of a pressure pipe 50 which has pressure nozzles 52 directed downwards.
  • the individual nozzles 52 of the surge device 5 are aligned in such a way that they discharge the liquid downwards, that is to say are directed towards the bottle grid 30 .
  • a flow can be generated in the water or post-caustic bath 20 which is directed from top to bottom in the direction of the bottle rack 30 and which flows accordingly through the container baskets or container cells which are open towards the bottom. In this way, labels or other foreign substances that are still in or on the containers, container baskets or container cells can be flushed out downwards.
  • the nozzles 52 are preferably arranged in such a way that they discharge the liquid below the liquid level of the post-caustic bath 20 . In this way, excessive foaming can be counteracted.
  • the nozzles 52 are arranged across the width of the machine in the positions in which the containers are conveyed through in container baskets or container cells. In other words, at least one nozzle 52 is provided for each container position, so that all containers and container baskets or container cells can be subjected to a substantially homogeneous flow of liquid. In a preferred variant, several nozzles 52 are also arranged one after the other in the direction of movement of the containers, so that the surge in the surge device 5 can act on the containers over a certain period of time.
  • the pressure line 50 is designed as a box-shaped channel, on the underside of which the nozzles 52 are arranged accordingly.
  • the box-shaped configuration avoids the formation of dead areas in the after-treatment area 14, so that all areas in the after-treatment area 14 can be cleaned by the after-caustic or by a stream cleaning the cleaning device.
  • the nozzles such as in figure 6 shown, are attached to the lower plate 500 of the pressure tube 50 by flanging, so that a simple attachment of the nozzle 52 is made possible.
  • a suction device 54 is provided in the form of a pump, which draws off the flow of liquid applied via the nozzles 52 and pressurizes it, and then feeds it back to the pressure line 50 .
  • a suction device 54 is provided in the form of a pump, which draws off the flow of liquid applied via the nozzles 52 and pressurizes it, and then feeds it back to the pressure line 50 .
  • a liquid flow directed downwards which is directed and aligned exactly parallel to the container baskets or container cells which are open towards the bottom. Efficient flow through the container baskets or the container cells can thus be achieved.
  • a baffle plate 540 is provided, which prevents the formation of a corresponding hollow vortex.
  • the actual label separator 56 via which the labels are discharged from the cleaning device.
  • the bottle grate 30 is shown again in a schematic representation, the pressure channel 50 with the nozzles 52 being shown above the bottle grate 30 .
  • the bottle grate 30 has a tripping point 32 which is formed in that the respective end of the grating is lowered in the direction of movement of the container, so that a corresponding step is created which constitutes the tripping step 32 .
  • stiffening plates 34 are provided underneath, which contribute to the stiffening.
  • a transverse volume flow is also applied above the discharge grid by dividing the volume flow .
  • this transversely directed volume flow according to the conventional design cannot cause any rinsing out of the labels still carried along in the container baskets or container cells.
  • the proposed flooding through of the container baskets or the container cells in a direction in which the corresponding liquid flow is directed towards the open end of the respective container baskets or container cells makes it possible to completely discharge all impurities and in particular also the labels. This is due to the arrangement of the surge device 5 in the post-treatment area 14 according to the at the latest possible point in the processing cycle, so that even stubborn combinations of labels, glue and containers can finally be softened to such an extent that the label can be completely ejected.
  • a tripping step 32 is provided, on which the container is moved within the container cell or the container basket, for example by tilting using the tripping step 32, so that the jammed labels can then be rinsed out.
  • the corresponding tripping step 32 is arranged in an area in which the proposed surge, and in particular the volume flow directed from top to bottom, is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (10)

  1. Dispositif (1) pour le nettoyage de récipients, de préférence pour le nettoyage de bouteilles réutilisables dans une embouteilleuse, comprenant une zone de prétraitement (10), dans laquelle les récipients sont pulvérisés avec de l'eau ou de la lessive préalable et un chauffage ou préchauffage des récipients est réalisé, une zone de traitement principale (12), dans laquelle les récipients sont traités au moyen d'une lessive principale, dans lequel une plongée répétée dans la lessive principale a lieu et dans lequel par un guidage en méandre des récipients après un remplissage complet des récipients avec de la lessive principale, un écoulement complet de la lessive principale hors des récipients est obtenu, et une zone de post-traitement (14), dans laquelle les récipients sont traités avec un bain d'eau ou de lessive complémentaire et à nouveau rincés à l'eau,
    caractérisé en ce que, dans la zone de post-traitement (14), un dispositif à jet d'eau (5) est prévu pour éliminer les étiquettes et/ou les restes d'étiquettes, dans lequel
    le dispositif à jet d'eau (5) est aménagé dans le bain d'eau ou de lessive complémentaire (20) dans la zone de post-traitement (14), et
    au moins une buse (52) du dispositif à jet d'eau (5) est orientée de sorte qu'elle délivre un flux de liquide dirigé en dessous du niveau de liquide du bain d'eau ou de lessive complémentaire (20).
  2. Dispositif (1) selon la revendication 1, caractérisé en ce que le dispositif à jet d'eau (5) destiné à produire un flux de liquide dirigé est disposé dans un bain d'eau ou de lessive complémentaire (20) pour arroser les récipients, de préférence pour produire un flux de liquide dirigé provenant d'un panier à récipient contenant respectivement un récipient ou d'un casier à récipients.
  3. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif à jet d'eau (5) est relié à un extracteur d'étiquettes (3) pour extraire les étiquettes qui se sont détachées de la zone de post-traitement (14).
  4. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif à jet d'eau (5) présente sur la largeur de la machine au moins une buse (52) par position de récipient, de préférence par position de casier à récipients et, éventuellement, par position de panier à récipient.
  5. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une buse (52) du dispositif à jet d'eau (5) est orientée de sorte qu'elle délivre un flux de liquide dirigé vers le bas.
  6. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une grille d'extraction (30) qui est aménagée en dessous du dispositif à jet d'eau (5) de préférence de sorte qu'un flux de liquide dirigé du dispositif à jet d'eau (5) soit dirigé sur la claie (30) des bouteilles.
  7. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif à jet d'eau (5) est combiné avec un extracteur de débris (4) de sorte que les étiquettes ou les parties d'étiquette qui se sont détachées soient extraites dans la zone de l'extracteur de débris (4).
  8. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une étape d'impact (32) qui permet un balayage des récipients situés dans un casier de récipients ou dans un panier à récipient, dans lequel l'étape de balayage (32) se fait de préférence dans la zone du dispositif à jet d'eau (5).
  9. Procédé de nettoyage de récipients, de préférence pour le nettoyage de bouteilles réutilisables dans une embouteilleuse, comprenant un prétraitement, dans lequel les récipients sont pulvérisés avec de l'eau ou une lessive préalable et un chauffage ou préchauffage des récipients est réalisé, un traitement principal qui est réalisé dans une zone de traitement principal (12), dans laquelle les récipients sont nettoyés au moyen d'un lessive principale, dans lequel une plongée répétée dans la lessive principale a lieu et dans lequel par un guidage en méandre des récipients après un remplissage complet des récipients avec de la lessive principale, un écoulement complet de la lessive principale hors des récipients est obtenu, ainsi qu'un post-traitement dans une zone de post-traitement (14), dans laquelle les récipients sont traités avec une lessive complémentaire ou de l'eau, qui est prévue dans un bain d'eau ou de lessive complémentaire (20) et sont à nouveau rincés à l'eau,
    caractérisé en ce que,
    dans la zone de post-traitement (14), les étiquettes et/ou les restes d'étiquettes sont détachés par rinçage des récipients et/ou de casiers à récipients et/ou de paniers à récipients transportant des récipients avec un dispositif à jet d'eau (5), dans lequel
    le dispositif à jet d'eau (5) est aménagé dans le bain d'eau ou de lessive complémentaire (20) dans la zone de post-traitement (14), et
    au moins une buse (52) du dispositif à jet d'eau (5) est orientée de sorte qu'elle délivre un flux de liquide dirigé en dessous du niveau de liquide du bain d'eau ou de lessive complémentaire (20).
  10. Procédé selon la revendication 9, caractérisé en ce qu'un flux de liquide est appliqué dans la zone de post-traitement (14) avec le dispositif à jet d'eau (5) de sorte que le flux de liquide s'écoule vers le côté ouvert d'un casier à récipients ou d'un panier à récipient pour permettre l'extraction d'étiquettes du panier à récipient ou du casier à récipients.
EP14161012.1A 2013-03-21 2014-03-21 Dispositif et procédé de nettoyage de récipients Active EP2781272B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013102916.7A DE102013102916A1 (de) 2013-03-21 2013-03-21 Vorrichtung und Verfahren zur Reinigung von Behältern

Publications (3)

Publication Number Publication Date
EP2781272A1 EP2781272A1 (fr) 2014-09-24
EP2781272B1 EP2781272B1 (fr) 2016-05-25
EP2781272B2 true EP2781272B2 (fr) 2022-11-16

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EP14161012.1A Active EP2781272B2 (fr) 2013-03-21 2014-03-21 Dispositif et procédé de nettoyage de récipients

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US (1) US20140345653A1 (fr)
EP (1) EP2781272B2 (fr)
CN (1) CN104056831B (fr)
BR (1) BR102014006759B1 (fr)
DE (1) DE102013102916A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020110229A1 (de) 2020-04-15 2021-10-21 Krones Aktiengesellschaft Flaschenwaschmaschine und Verfahren zum Zuführen von Flaschen in die Flaschenwaschmaschine

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DE2245667A1 (de) † 1971-09-16 1973-04-05 Meyer Ltd Geo J Maschine zum waschen von flaschen und aehnlichen behaeltern, insbesondere zum entfernen von etiketten

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DE102013102916A1 (de) 2014-09-25
EP2781272B1 (fr) 2016-05-25
CN104056831B (zh) 2017-10-03
CN104056831A (zh) 2014-09-24
US20140345653A1 (en) 2014-11-27
BR102014006759B1 (pt) 2020-12-15
EP2781272A1 (fr) 2014-09-24
BR102014006759A2 (pt) 2015-02-24

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