EP3666407B1 - Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé - Google Patents

Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé Download PDF

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Publication number
EP3666407B1
EP3666407B1 EP18212340.6A EP18212340A EP3666407B1 EP 3666407 B1 EP3666407 B1 EP 3666407B1 EP 18212340 A EP18212340 A EP 18212340A EP 3666407 B1 EP3666407 B1 EP 3666407B1
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EP
European Patent Office
Prior art keywords
basin
transfer medium
heat transfer
containers
zone
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EP18212340.6A
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German (de)
English (en)
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EP3666407B8 (fr
EP3666407A1 (fr
Inventor
Claudio Berzaghi
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Sidel SpA
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Gebo Packaging Solutions Italy SRL
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Application filed by Gebo Packaging Solutions Italy SRL filed Critical Gebo Packaging Solutions Italy SRL
Priority to EP18212340.6A priority Critical patent/EP3666407B8/fr
Priority to PCT/EP2019/084935 priority patent/WO2020120693A1/fr
Priority to MX2021007015A priority patent/MX2021007015A/es
Priority to BR112021011418-1A priority patent/BR112021011418B1/pt
Publication of EP3666407A1 publication Critical patent/EP3666407A1/fr
Application granted granted Critical
Publication of EP3666407B1 publication Critical patent/EP3666407B1/fr
Publication of EP3666407B8 publication Critical patent/EP3666407B8/fr
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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
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/42—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus being characterised by means for conveying or carrying containers therethrough
    • 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 invention relates to a cooling process for cooling hot washed containers in a washing machine and to a washing machine that carries out the same process.
  • washing machines are known with the purpose of cleaning the empty containers upstream of a filling and a labelling station, in which the containers are respectively filled with a pourable product and labelled with respective labels.
  • washing machine is known, e.g. from EP2727660 in the name of the same Applicant.
  • Known washing machines essentially comprise:
  • the chain conveyor comprises a plurality of bars, which are fed at the inlet station by the feeding system with respective rows of containers.
  • each bar comprises a plurality of aligned pockets, which receive, convey and outlet the respective washed containers.
  • the treatment zones comprise, in sequence, a prewash zone, a first cleaning zone, a second cleaning zone and a plurality of consecutive rinsing zones.
  • the prewash zone, the first cleaning zone, and the second cleaning zone comprise respective cleaning baths, which are filled with a washing chemical agent at high temperature and through which the containers are advanced.
  • Each rinsing zone comprises a corresponding rinsing bath filled with rinsing liquid and/or ejecting devices for directing sprinkles of rinsing liquid toward the containers.
  • the rinsing liquid delivered to the containers has both the function of removing therefrom any residuals of washing chemical agent and of cooling down the same containers after being conveyed out from the cooling baths.
  • the same containers are cooled more and more and the temperatures of the rinsing liquid in each of the rinsing zones reach respective values decreasing according to the advancing direction of the containers.
  • the overall quantity of rinsing liquid that needs to be used for bringing the containers at room temperature is generally significant.
  • the invention further relates to a washing machine, as claimed in claim 7.
  • numeral 1 indicates a washing machine for washing containers 2, in particular empty bottles intended to be filled with a pourable product.
  • Each container 2 has an external surface 2a delimiting an inner volume 2b adapted to receive the pourable product and extends along an axis A (lying on a vertical plane, in the embodiment shown) from a base portion 2c to a neck portion 2d.
  • the neck portion 2d is provided with an inlet opening 2f about axis A, which allow the filling of the inner volume 2b of the corresponding container 2.
  • Washing machine 1 comprises:
  • chain conveyor 4 comprises:
  • each beam 16 comprises a row of pockets 17 aligned orthogonally to path P and adapted to receive corresponding containers 2.
  • containers 2 carried by a corresponding beam 16 are aligned orthogonally to path P and housed inside the respective pockets 17.
  • Washing machine 1 comprises also a feeding system 8 for feeding a sequence of empty containers 2 along a direction F and at an inlet station I of washing tunnel 3.
  • containers 2 fed along direction F are arranged in rows orthogonal to path P.
  • Feeding system 8 comprises:
  • the most forward containers 2 of each row of containers 2 are transferred by sequencing device 105 to the respective pockets 17 of the beam 16 that is travelling at inlet station I.
  • direction F is horizontal and orthogonal to axes A of containers 2 fed along the same direction F.
  • Washing machine 1 further comprises an outfeed conveyor 14, which receives rows of cleaned containers 2 from chain conveyor 4 at an outlet station 0 of washing tunnel 3.
  • path P comprises:
  • washing machine 1 comprises in sequence along washing branch Q:
  • washing machine 1 comprises respective baths 11, 12, 13 filled with a cleaning agent, preferably a basic aqueous solution comprising sodium hydroxide.
  • a cleaning agent preferably a basic aqueous solution comprising sodium hydroxide.
  • washing machine 1 comprises also a plurality of sprinkling devices 106 arranged in sequence along washing branch Q.
  • Sprinkling devices 106 deliver, in use, sprinkles of the above cleaning agent to external surfaces 2a and inner volumes 2b of containers 2, while the latter are advanced through the prewash zone P1 itself.
  • the cleaning agent within bath 11 and the cleaning agent ejected by sprinkling devices 106 are brought to a relatively high temperature, for instance between 45 °C and 60 °C, so that the encrusted dirt on containers 2 starts to dissolve as containers 2 themselves advance through prewash zone P1.
  • the cleaning agent within baths 12, 13 is brought to a higher temperature, for instance between 65 °C and 80 °C, so that dirt on advancing containers 2 is fully removed together with possible labels arranged thereon.
  • containers 2 come out from bath 13 cleaned and heated up to a temperature likely between 60 °C and 70 °C, so that the same containers 2 needs to be cooled down to environmental temperature before being discharged at outlet station 0.
  • washing machine 1 comprises a cooling apparatus 101, which is arranged within heat exchange zone H1 and allows containers 2 and beams 16 to come in thermal contact with heat transfer medium having a temperature lower than that of the cleaning agent within bath 13, such that the same containers 2 and beams 16 are cooled for a first time while the corresponding heat transfer medium is heated.
  • a cooling apparatus 101 which is arranged within heat exchange zone H1 and allows containers 2 and beams 16 to come in thermal contact with heat transfer medium having a temperature lower than that of the cleaning agent within bath 13, such that the same containers 2 and beams 16 are cooled for a first time while the corresponding heat transfer medium is heated.
  • washing machine 1 comprises another cooling apparatus 102, which is arranged within heat exchange zone H2 and allows containers 2 and beams 16 to come in thermal contact with further heat transfer medium having a lower temperature, such that the same containers 2 and beams 16 are cooled for a second time while the corresponding heat transfer medium is heated.
  • another cooling apparatus 102 which is arranged within heat exchange zone H2 and allows containers 2 and beams 16 to come in thermal contact with further heat transfer medium having a lower temperature, such that the same containers 2 and beams 16 are cooled for a second time while the corresponding heat transfer medium is heated.
  • each mentioned heat transfer medium comprises a rinsing medium, in particular water, which is brought in contact with containers 2 and beams 16, while the latter are advanced through heat exchange zones H1, H2.
  • the equilibrium temperatures respectively reached by containers 2, beams 16 and the heat transfer medium at heat exchange zone are between 45 °C and 60 °C, while the equilibrium temperatures respectively reached by containers 2, beams 16 and the heat transfer medium at heat exchange zone H2 is between 25 °C and 35 °C.
  • cooling apparatus 101 comprises a basin 70 suitable for holding heat transfer medium and arranged within heat exchange zone H1, in particular along a stretch Q1 of washing branch Q.
  • Basin 70 is filled with heat transfer medium and is arranged in a position such that beams 16 are conveyed by chains 15 through the same basin 70.
  • basin 70 may be considered part of a rinsing apparatus aimed to remove cleaning agent from containers 2 and from beams 16 by delivering rinsing medium to the containers 2 and beams 16 themselves.
  • washing branch Q comprises a stretch Q2 within heat exchange zone H1 and along which containers 2 are advanced with their axes A inclined with respect to a vertical direction.
  • each container 2 advancing along stretch Q2 has a corresponding orientation that is intermediate in respect of two extremal orientations, according to which axis A is vertical and inlet opening 2f is respectively above and below the base portion 2c.
  • each container 2 assumes a plurality of progressive orientations, among which at least one is distinguished by that the corresponding axis A is horizontal.
  • containers 2 are conveyed through stretch Q2 with respective axes A that progressively form angles with the vertical direction between 30° and 140°, more in particular between 60° and 120°.
  • washing machine 1 comprises a basin 74 that is suitable for holding heat transfer medium and is arranged in heat exchange zone H1 below stretch Q2, so as to receive and gather the portion of the heat transfer medium fallen down from containers 2 and beams 16.
  • cooling apparatus 102 comprises a rinsing apparatus arranged within heat exchange zone H2, and configured to deliver a rinsing medium onto containers 2 and beams 16, while the latter are advanced through heat exchange zone H2.
  • the above rinsing apparatus is defined by an ejection assembly 77 and the rinsing medium comprises a liquid defining the heat transfer medium within heat exchange zone H2.
  • Ejection assembly 77 comprises a plurality of sprinkling devices 78 arranged in sequence along washing branch Q for delivering sprinkles of the rinsing medium to external surfaces 2a and inner volumes 2b of containers 2, as well as to beams 16 carrying the same containers 2.
  • At least one of the sprinkling devices 78 is supplied by a source of rinsing medium; specifically washing machine 1 comprises a tank T4 defining the above source of rinsing medium.
  • tank T4 supplies only the last sprinkling device 78 of the respective sequence, according to the advancing direction of containers 2.
  • ejection assembly 77 comprises also a plurality of basins 79 respectively arranged in sequence below sprinkling devices 78 and fluidly connected thereto.
  • the last basin 79 in the respective sequence gather rinsing medium that is ejected by the corresponding sprinkling device 78, since the same ejected rinsing medium falls down from containers 2 and beams 16 that advance above the same last basin 79.
  • the previously referred last basin 79 supplies, in use, all the other basins 79, which in turn supply the corresponding sprinkling devices 78.
  • each basin 79 comprise at the top a corresponding spillway 80 toward the immediately upstream basin 79.
  • the last basin 79 in the respective sequence is the first one that is completely filled since indirectly receiving rinsing medium from tank T4 via the corresponding sprinkling device 78; the other basins 79 are completely filled in succession according to a direction opposite to the advancing direction of containers 2.
  • the first basin 79 of the respective sequence is adjacent to basin 74 and comprises at the top a spillway 81 toward the same basin 74.
  • washing machine 1 further comprises:
  • the equilibrium temperatures respectively reached by beams 16 and heat transfer medium at return zone R1 are between 25 °C and 35 °C.
  • Heating apparatus 36 comprises a basin 104, which is suitable for holding heat transfer medium and is arranged within return zone R1 in a position such that beams 16 passes through the same basin 104, while the beams 16 themselves are conveyed by chains 15 along return branch R.
  • basin 104 is filled with heat transfer medium, such that beams 16 advanced through basin 104 result fully in contact with the heat transfer medium itself and, in particular, immersed therein.
  • Circulation system 35 comprises a fluidic circuit 110, which:
  • fluidic circuit 110 comprises a fluidic line L1, which fluidly connects the basin 104 to the basin 70 so as to allow flowing of the above second portion from basin 104 to basin 70.
  • fluidic line L1 is provided with a tank T1, which is filled with the heat transfer medium at the same temperature of the second portion, is arranged below basin 104, and is connected to basin 104 for receiving the second portion.
  • fluidic circuit 110 is provided also with a pump 114 arranged along fluidic line L1 for pumping the second portion from tank T1 to basin 70, which is arranged above both tank T1 and basin 104.
  • Fluidic circuit 110 further comprises another fluidic line L2, which fluidly connects basin 104 to basin 74 so as to allow transport of the above first portion from basin 74 to basin 104.
  • Basin 74 is arranged above basin 104, such that the first portion is conveyed by fluidic line L2 due to gravity action, without the needing of any pump.
  • washing machine 1 comprises another fluidic circuit 111, which withdraws a further portion of the heat transfer medium heated at heat exchange zone H1 to convey the same further portion to prewash zone P1.
  • fluidic circuit 111 comprises a fluidic line L3, which fluidly connects basin 74 with sprinkling devices 106, so as to supply the same sprinkling devices 106 with the above further portion of the heat transfer medium.
  • the washing machine 1 comprises an ultrasonic wave generator UG, which is coupled to the basin 104 and is configured to propagate ultrasonic waves through the heat transfer medium within basin 104 itself, such that beams 16 receive an ultrasonic cleaning treatment while advancing through basin 104.
  • an ultrasonic wave generator UG which is coupled to the basin 104 and is configured to propagate ultrasonic waves through the heat transfer medium within basin 104 itself, such that beams 16 receive an ultrasonic cleaning treatment while advancing through basin 104.
  • the ultrasonic wave generator comprises a plurality of ultrasonic transducers 90 ( Figure 2 ), which are conveniently plate-shaped, configured to convert electric power into ultrasounds, and sequentially arranged adjacent and parallel to each other along a stretch R2, which is part of return branch R and is placed within basin 104.
  • Ultrasonic transducers 90 preferably emit ultrasonic waves having an action range of at least 350 mm and a frequency between 25 kHz and 28 kHz.
  • ultrasonic transducers 90 are parallel to stretch R2 and fixed with respect to basin 104, so as to be placed immediately below the advancing beams 16.
  • ultrasonic transducers 90 have a maximum clearance from beams 16 that is equal to 10 mm, according to a direction orthogonal to stretch R2.
  • beams 16 advances through stretch R2, the same beams 16 have respective lower portions facing ultrasonic transducers 90 in close proximity.
  • Stretch R2 is preferably rectilinear and, more preferably horizontal. Moreover, stretch R2 conveniently has a length between 0.5 m and 2 m.
  • beams 16 are advanced throughout the whole stretch R2 during a time interval between 20 s and 60 s, in order to have optimal performances of the ultrasonic cleaning treatment.
  • Washing machine 1 further comprises:
  • control unit ECU controls the activation of ultrasonic transducers 90 in a periodic or discontinuous manner, e.g. for a duration of 30 s after each period of 420 working hours of the washing machine 1.
  • Ultrasonic waves generated by ultrasonic wave generator UG have a relative periodic motion with respect to the heat transfer medium in which the same waves propagate; therefore, local micro-zones within the heat transfer medium pass periodically from a depressurized to a pressurized state.
  • Such energy is useful to disaggregate possible tough calcium deposit or encrusted dirt on the beams 16 themselves.
  • washing machine 1 The operation of washing machine 1 is described in detail in the following.
  • Feeding system 8 advances a plurality of rows of containers 2 to be washed through conveyor 103 in a parallel manner to direction F.
  • the properly positioned containers 2 are arranged with respective axes A orthogonal to path P and with respective base portions 2c lying on conveyor 103.
  • Beams 16 of chain conveyor 4 withdraw respective rows of containers 2 at inlet station I from sequencing device 105, advance containers 2 inside washing tunnel 3 along the washing branch Q, discharge rows of cleaned containers 2 at outlet station 0 onto outfeed conveyor 14, and return along return branch R without containers 2.
  • containers 2 of each row are first carried by pockets 17 through prewash zone P1, where containers 2 are preliminary washed and heated through immersion within bath 11 and by means of sprinkling devices 106.
  • both containers 2 and beams 16 continue to receive heat from cleaning agent within baths 12, 13 up to reach elevated temperatures, for instance between 60 °C and 70° C.
  • containers 2 and beams 16 are advanced through basin 70 within heat exchange zone H1, where the containers 2 and the beams 16 themselves are immersed into heat transfer medium and establish a thermal equilibrium with the latter, so as to reach intermediate temperatures, for instance between 45 °C and 60 °C.
  • part of the heated heat transfer medium is dragged out from basin 70 by containers 2 and beams 16, while the latter are conveyed out from the basin 70 itself.
  • the entire heat transfer medium gathered within basin 74 has a temperature essentially equal to that of the above part; then, two different further parts of the heat transfer medium within the same basin 74 are split to be respectively supplied to sprinkling devices 106 via fluidic line L3 and transported to basin 104 via fluidic line L2.
  • containers 2 and beams 16 When containers 2 and beams 16 reach the heat exchange zone H2, the containers 2 and beams 16 themselves receive the heat transfer medium by means of sprinkling devices 78, so as to be further cooled down to low temperatures, for instance between 25 °C and 35 °C.
  • Cooled beams 16 are immersed within basin 104 while advancing through the return branch R; here, a heat exchange occur between the heat transfer medium within basin 104 and the cooled beams 16.
  • beams 16 receive a complete ultrasonic cleaning treatment by means of ultrasonic wave generator UG, with above described modes.
  • beams 16 are warmed and conveyed toward inlet station I, whereas the heat transfer medium is cooled down.
  • basin 70 part of the cooled down heat transfer medium is transported to basin 70, so as to be re-used for cooling other containers 2 and beams 16, which advance through basin 70 itself.
  • Basin 70 is supplied with recycled heat transfer medium from basin 104, which is maintained at low temperatures by beams 16 cooled at heat exchange zone H2 and passing through basin 104 itself.
  • Fresh heat transfer medium is supplied just only to one sprinkling device 78; thanks to the peculiar arrangement of basins 79, all the other sprinkling devices 78 are effectively supplied with recycled heat transfer medium.
  • basin 104 may be supplied by exploiting other collecting means, possibly suitable for actively withdrawing heat transfer medium from heat exchange zone H1, such as pumping systems that trap heat transfer medium from basin 70.
  • cooling or heating apparatus may be used to allow heat transfers between beams 16 and heat transfer media at heat exchange zones H1, H2, and at return zone R1, including heat exchangers, fans, nebulizers, and the like.
  • basin 70 may be placed within heat exchange zone H2 whereas ejection assembly 77 may be placed within heat exchange zone H1, as well as heat exchange zones H1, H2 may be provided with rinsing apparatus including further basins and/or ejection assemblies.
  • washing machine 1 may comprise many more heat exchange zones between cleaning zone C2 and outlet station 0. Possibly, some of such heat exchange zones may be placed between heat exchange zones H1, H2.
  • fluidic circuit 111 may connect heat exchange zone H1 also or only with bath 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (15)

  1. Procédé de refroidissement pour refroidir des récipients lavés à chauds (2) dans une machine à laver (1), le procédé comprenant les étapes de :
    - avancement, au moyen d'un dispositif de convoyage (4), d'une pluralité desdits récipients lavés à chaud (2) et d'au moins un élément (16) dudit convoyeur (4) le long d'un trajet de lavage (P) avec une station de sortie (O) et une zone de retour (R1) en aval de ladite station de sortie (O) et en amont de la station d'entrée (I), selon une direction d'avancement dudit élément (16) le long dudit trajet (P) ;
    - refroidissement séquentiellement dudit élément (16) et desdits récipients (2) pendant un premier et un second temps en mettant ledit élément (16) en contact thermique respectivement avec un premier et un second milieu de transfert de chaleur, respectivement au niveau d'une première et d'une seconde zone d'échange de chaleur (H1, H2) agencées en séquence le long dudit trajet (P) et en amont de ladite station de sortie (O) selon ladite direction d'avancement, de sorte que ledit premier milieu de transfert de chaleur est chauffé à une température supérieure à celle dudit second milieu de transfert de chaleur ;
    - déchargement desdits récipients (2) au niveau de ladite station de sortie (O)
    comprenant en outre les étapes de :
    - circulation dudit premier milieu de transfert de chaleur entre ladite première zone d'échange de chaleur (H1) et ladite zone de retour (R1) ;
    - chauffage dudit élément (16) et refroidissement dudit premier milieu de transfert de chaleur en mettant ledit élément (16) en contact thermique avec ledit premier milieu de transfert de chaleur au niveau de ladite zone de retour (R1) ; et
    - renvoi dudit premier milieu de transfert de chaleur refroidi vers ladite première zone d'échange de chaleur (H1) pour refroidir lesdits récipients (2).
  2. Procédé selon la revendication 1, ladite étape de mise en circulation dudit premier milieu d'échange de chaleur comprenant l'étape de remplissage d'un premier bassin (104) à l'intérieur de ladite zone de retour (R1) avec une première partie du premier milieu de transfert de chaleur chauffé au niveau de ladite première zone d'échange de chaleur (H1) ;
    le procédé comprenant en outre l'étape d'avancement dudit élément (16) à travers ledit premier bassin (104) pour venir en contact thermique avec ladite première partie.
  3. Procédé selon la revendication 2, comprenant en outre l'étape de propagation d'ondes ultrasonores à travers ladite première partie, de sorte que ledit élément (16) reçoit un traitement de nettoyage ultrasonique tout en avançant à travers ledit premier bassin (104).
  4. Procédé selon l'une quelconque des revendications précédentes, ladite étape de mise en circulation dudit premier milieu de transfert de chaleur comprenant l'étape de remplissage d'un deuxième bassin (70) à l'intérieur de ladite première zone d'échange de chaleur (H1) avec une deuxième partie du premier milieu de transfert de chaleur refroidi au niveau de ladite zone de retour (R1) ;
    le procédé comprenant en outre l'étape d'avancement dudit élément (16) à travers ledit deuxième bassin (70) pour venir en contact thermique avec ladite deuxième partie.
  5. Procédé selon l'une quelconque des revendications précédentes,
    ladite étape de mise en circulation dudit premier milieu de transfert de chaleur comprenant les étapes de :
    - rassemblement dans un troisième bassin (74) à l'intérieur de ladite première zone d'échange de chaleur (H1) d'une troisième partie du premier milieu de transfert de chaleur chauffé au niveau de ladite première zone d'échange de chaleur (H1) par ledit élément (16) et desdits récipients (2) pendant ladite étape d'avancement à travers ladite première zone d'échange de chaleur (H1) ; et
    - transport d'une quatrième partie dudit premier milieu de transfert de chaleur depuis ledit troisième bassin (74) vers ladite zone de retour (R1).
  6. Procédé selon l'une quelconque des revendications précédentes, comprenant en outre les étapes de :
    - lavage desdits récipients (2) à travers une zone de prélavage (P1) agencée le long dudit trajet (P) en amont de ladite première zone d'échange de chaleur (H1), selon ladite direction d'avancement ;
    - avancement dudit élément (16) à travers ladite zone de prélavage (P1) ; et
    - transport d'une cinquième partie du premier milieu de transfert de chaleur chauffé dans ladite première zone d'échange de chaleur (H1) vers ladite zone de prélavage (P1) pour chauffer lesdits récipients (2) pendant ladite étape d'avancement dudit élément (16) à travers ladite zone de prélavage (P1).
  7. Machine à laver (1) comprenant :
    - un dispositif de convoyage (4) pour faire avancer une pluralité de récipients (2) le long d'un trajet de lavage (P) et comprenant au moins un élément (16) mobile le long dudit trajet (P) ;
    - une station de sortie (O) agencée le long dudit trajet (P) et configurée pour permettre le déchargement desdits récipients (2) ;
    - une première et une seconde zones d'échange de chaleur (H1, H2) agencées en séquence le long dudit trajet (P) et en amont de ladite station de sortie (O), selon une direction d'avancement desdits récipients (2) ;
    - des moyens de refroidissement (101, 102) pouvant fonctionner pour refroidir séquentiellement ledit élément (16) et lesdits récipients (2) pendant un premier et un second temps, respectivement au niveau desdites première et seconde zones d'échange de chaleur (H1, H2), en permettant un contact thermique entre ledit élément (16) et, respectivement, un premier et un second milieu de transfert de chaleur, de sorte que ledit premier milieu de transfert de chaleur est chauffé à une température supérieure à celle dudit second milieu de transfert de chaleur ; et
    - une zone de retour (R1) agencée le long dudit trajet (P) en aval de ladite station de sortie (O) et en amont de la station d'entrée (I), selon ladite direction d'avancement ;
    caractérisé en ce qu'il comprend en outre :
    - des moyens de circulation (35) pouvant fonctionner pour faire circuler ledit premier milieu de transfert de chaleur entre ladite première zone d'échange de chaleur (H1) et ladite zone de retour (R1) ; et
    - un moyen de chauffage (36) pouvant fonctionner pour chauffer ledit élément (16) au niveau de ladite zone de retour (R1) en permettant un contact thermique entre ledit élément (16) et ledit premier milieu de transfert de chaleur, de sorte que ledit premier milieu de transfert de chaleur est, en utilisation, refroidi en transférant une partie de la chaleur absorbée au niveau de ladite première zone d'échange de chaleur (H1) vers ledit élément (16) avant d'être renvoyé vers ladite première zone d'échange de chaleur (H1) pour refroidir lesdits récipients (2).
  8. Machine à laver selon la revendication 7,
    - lesdits moyens de chauffage (36) comprenant un premier bassin (104) agencé à l'intérieur de ladite zone de retour (R1) et adapté pour contenir ledit premier milieu de transfert de chaleur ; et
    - lesdits moyens de circulation (35) comprenant un circuit fluidique (110) pour déplacer une première partie du premier milieu de transfert de chaleur chauffé au niveau de ladite première zone d'échange de chaleur (H1) vers ledit premier bassin (104) et une deuxième partie du premier milieu de transfert de chaleur refroidi à l'intérieur dudit premier bassin (104) vers ladite première zone d'échange de chaleur (104) ;
    ledit trajet (P) s'étendant à travers ledit premier bassin (104), de sorte que ledit élément (16) vient en contact thermique avec ladite première partie.
  9. Machine à laver selon la revendication 8,
    - lesdits moyens de refroidissement (35) comprenant en outre un deuxième bassin (70) agencé à l'intérieur de ladite première zone d'échange de chaleur (H1) et adapté pour contenir ledit premier milieu de transfert de chaleur ; et
    - ledit circuit fluidique (110) comprenant une première ligne fluidique (L1) reliant de manière fluidique ledit deuxième bassin (70) audit premier bassin (104), de sorte que ledit deuxième bassin (70) est alimenté par ladite deuxième partie ;
    ledit trajet (P) s'étendant à travers ledit deuxième bassin (70), de sorte que ledit élément (16) vient en contact thermique avec ladite deuxième partie ; et/ou
    ledit circuit fluidique (110) comprenant une pompe (114) agencée le long de ladite première ligne fluidique (L1) entre une première branche de ladite première ligne fluidique (L1), dans laquelle ladite deuxième partie s'écoule en raison de l'action de la gravité, et une seconde branche de ladite première ligne fluidique (L1), dans laquelle ladite deuxième partie est poussée par ladite pompe (114) vers ledit deuxième bassin (70).
  10. Machine à laver selon la revendication 8 ou 9, comprenant en outre un troisième bassin (74) agencé à l'intérieur de ladite première zone d'échange de chaleur (H1) et configuré pour recevoir et recueillir une troisième partie du premier milieu de transfert de chaleur chauffé au niveau de ladite première zone d'échange de chaleur (H1) ;
    ledit circuit fluidique (110) comprenant une deuxième ligne fluidique (L2) reliant de manière fluidique ledit troisième bassin (74) audit premier bassin (104), de sorte que ledit premier bassin (104) est alimenté par ladite première partie.
  11. Machine à laver selon la revendication 10, comprenant en outre :
    - une zone de prélavage (P1) agencée le long dudit trajet (P) en amont de ladite première zone d'échange de chaleur (H1), selon ladite direction d'avancement ;
    - un appareil de prélavage (106, 11) agencé le long dudit trajet (P) à l'intérieur de ladite zone de prélavage (P1) et configuré pour laver lesdits récipients (2) ; et
    - une troisième ligne fluidique (L3) reliant fluidiquement ledit troisième bassin (74) audit appareil de prélavage (106, 11), de sorte que ledit appareil de prélavage (106, 11) est alimenté par une cinquième partie dudit premier milieu de transfert de chaleur retiré dudit troisième bassin (74).
  12. Machine à laver selon l'une quelconque des revendications 8 à 11, comprenant en outre un générateur d'ondes ultrasonores (UG) couplé audit premier bassin (104) pour propager des ondes ultrasonores à travers ladite première partie, de sorte que ledit élément (16) reçoit un traitement de nettoyage par ultrasons tout en avançant à travers ledit premier bassin (104).
  13. Machine à laver selon l'une quelconque des revendications 7 à 12, comprenant en outre un appareil de rinçage (70 ; 77) agencé à l'intérieur d'au moins l'une desdites première et seconde zones d'échange de chaleur (H1, H2) et configuré pour délivrer un milieu de rinçage vers lesdits récipients (2) et, de préférence, audit élément (16) ; ledit milieu de rinçage faisant partie de manière correspondante de l'un desdits premier et second milieux de transfert de chaleur.
  14. Machine à laver selon la revendication 13, lorsqu'elle dépend de la revendication 9, ledit appareil de rinçage (70 ; 77) comprenant :
    - ledit deuxième bassin (70) destiné à contenir ledit milieu de rinçage et agencé le long dudit trajet (P), de telle sorte que ledit élément (16) avance, en cours d'utilisation, à travers ledit deuxième bassin (70) en entrant en contact avec ledit milieu de rinçage ; et/ou
    - au moins un ensemble d'éjection (77) configuré pour diriger des aspersions dudit milieu de rinçage vers lesdits récipients (2) et ledit élément (16) ;
    ledit ensemble d'éjection (77) comprenant, en particulier, une pluralité de dispositifs d'aspersion (78) et une pluralité respective de quatrièmes bassins (79) agencés au-dessous desdits dispositifs d'aspersion correspondants, reliés de manière fluide auxdits dispositifs d'aspersion correspondants, et communiquant de manière fluide les uns avec les autres par des déversoirs (80).
  15. Machine à laver selon l'une quelconque des revendications 7 à 14, ledit convoyeur (4) comprenant :
    - une pluralité de profilés (16) appropriés pour porter des rangées respectives desdits récipients (2) et s'étendant transversalement audit trajet (P) ; et
    - une chaîne de transport (15) s'étendant parallèlement audit trajet (P) et configurée pour transporter lesdits profilés (16) le long dudit trajet (P) ;
    lesdits profilés (16) définissant une pluralité respective desdits éléments (16) pour échanger de la chaleur avec lesdits premier et second milieux de transfert de chaleur.
EP18212340.6A 2018-12-13 2018-12-13 Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé Active EP3666407B8 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18212340.6A EP3666407B8 (fr) 2018-12-13 2018-12-13 Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé
PCT/EP2019/084935 WO2020120693A1 (fr) 2018-12-13 2019-12-12 Procédé de refroidissement pour refroidir des conteneurs lavés à chaud dans une machine à laver et machine à laver mettant en œuvre le même procédé
MX2021007015A MX2021007015A (es) 2018-12-13 2019-12-12 Un proceso de enfriamiento para enfriar contenedores lavados en caliente en lavadora y lavadora que realiza el mismo proceso.
BR112021011418-1A BR112021011418B1 (pt) 2018-12-13 2019-12-12 Processo de resfriamento para resfriar recipientes lavados a quente em uma máquina de lavar, e máquina de lavar utilizando o referido processo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18212340.6A EP3666407B8 (fr) 2018-12-13 2018-12-13 Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé

Publications (3)

Publication Number Publication Date
EP3666407A1 EP3666407A1 (fr) 2020-06-17
EP3666407B1 true EP3666407B1 (fr) 2023-02-22
EP3666407B8 EP3666407B8 (fr) 2023-03-22

Family

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EP18212340.6A Active EP3666407B8 (fr) 2018-12-13 2018-12-13 Procédé de refroidissement de récipients lavés à chaud dans une machine de lavage et machine de lavage mettant en oeuvre ce procédé

Country Status (4)

Country Link
EP (1) EP3666407B8 (fr)
BR (1) BR112021011418B1 (fr)
MX (1) MX2021007015A (fr)
WO (1) WO2020120693A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303493C2 (de) * 1962-07-06 1974-02-21 Enzinger Union Werke AG, 6800 Mann heim Flaschenreinigungsmaschine
DE2454100B2 (de) * 1974-11-14 1980-03-06 Ortmann & Herbst Gmbh, 2000 Hamburg Behälterreinigungsmaschine
DE3003663A1 (de) * 1980-02-01 1981-08-06 Holstein Und Kappert Gmbh, 4600 Dortmund Verfahren und vorrichtung zur reduzierung des durch umlaufende gefaesstraeger auftretenden waermeverlustes
DE3512463A1 (de) * 1985-04-04 1986-10-16 Holstein Und Kappert Gmbh, 4600 Dortmund Verfahren zur reduzierung des waermeverbrauchs an flaschenreinigungsmaschinen
DE3661525D1 (en) * 1985-07-19 1989-02-02 Mitsubishi Heavy Ind Ltd Equipment for handling various containers
DE4322733C1 (de) * 1993-07-08 1994-08-18 Holstein & Kappert Maschf Flaschenreinigungsmaschine mit mehreren hintereinander angeordneten Behandlungsabteilungen
ITUD20090113A1 (it) * 2009-06-03 2010-12-04 Internat Steel Co S P A Macchina e procedimento per il trattamento di contenitori di liquidi, e dispositivo di trattamento
EP2727660B1 (fr) 2012-11-05 2015-08-26 Gebo Packaging Solutions Italy SRL Unité de traitement de récipients et procédé pour la reconfiguration d'une unité de traitement de récipients
DE102013114607B4 (de) * 2013-12-20 2021-08-19 Khs Gmbh Verfahren zum Reinigen von Behältern sowie Behälterreinigungsmaschine

Also Published As

Publication number Publication date
BR112021011418B1 (pt) 2024-02-15
BR112021011418A2 (pt) 2021-08-31
WO2020120693A1 (fr) 2020-06-18
EP3666407B8 (fr) 2023-03-22
MX2021007015A (es) 2021-07-21
EP3666407A1 (fr) 2020-06-17

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