EP3259542B1 - Dispositif de refroidissement pour réduire la température d'aliments cuits et chauds dans un conteneur en particulier dans un chariot standarisé - Google Patents

Dispositif de refroidissement pour réduire la température d'aliments cuits et chauds dans un conteneur en particulier dans un chariot standarisé Download PDF

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Publication number
EP3259542B1
EP3259542B1 EP16708613.1A EP16708613A EP3259542B1 EP 3259542 B1 EP3259542 B1 EP 3259542B1 EP 16708613 A EP16708613 A EP 16708613A EP 3259542 B1 EP3259542 B1 EP 3259542B1
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EP
European Patent Office
Prior art keywords
cooling
cooling device
container
cooling elements
food
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Application number
EP16708613.1A
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German (de)
English (en)
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EP3259542A1 (fr
Inventor
Theodor W. BERIEF
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Individual
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/166—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/002—Liquid coolers, e.g. beverage cooler
    • F25D31/003—Liquid coolers, e.g. beverage cooler with immersed cooling element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0206—Heat exchangers immersed in a large body of liquid
    • F28D1/0213—Heat exchangers immersed in a large body of liquid for heating or cooling a liquid in a tank
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05341—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/22—Cleaning means for refrigerating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/38—Refrigerating devices characterised by wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0042—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for foodstuffs

Definitions

  • Cooling device for reducing the temperature of cooked warm food stored in a container, in particular in a standard trolley.
  • the invention relates to a cooling device for reducing the temperature of cooked warm food in a liquid or pasty state, especially in a standard trolley, in a container, comprising a plate-like cover body that covers the opening cross-section of the container or of the standard trolley, the cover body having vertically arranged cooling elements on its underside which, when the cooling device is attached, are immersed in the volume mass of the food, and a cooling medium circulates through the cooling elements the food removes the stored heat.
  • the invention thus poses the problem of developing a cooling device for reducing the temperature of cooked, warm food in liquid or pasty form kept in a container, in particular a standard trolley, in such a way that, in particular after the cooling process, the cooling rods or cooling elements for a further cooling process can be used again.
  • the problem is solved in that on the underside of the cover body a perforated plate or a perforated plate formed stripping plate is provided which has a plurality of holes (19), wherein the individual cooling elements (5) through the holes (19) in the container (2) can be moved in and out of the container (2), so that by means of the Stripper plate (16) can be removed from the cooling elements (5) when the cooling device (1) is pulled out of the food, the individual holes (19) being dimensioned in such a way that they lie tightly against a jacket of the cooling elements (5) so that a scraping effect of the food residues on the scraper plate (16) takes place, the scraper plate (16) being penetrated by channels (20) ending in a hole edge area (21) for feeding in cleaning steam on a hole circumference of the holes (19).
  • the stripper plate is arranged in a frame formed by tubes, which is equipped with a nozzle for cleaning the cooling elements. Due to this design, it is achieved that when the cooling elements are pulled out, they are, as it were, emitted.
  • the frame consists of a lower and an upper pipe grille lying one above the other.
  • the individual pipe grille in turn consists of a circumferential pipe frame in which pipe sections with nozzle openings are arranged parallel to one another.
  • the upper tubular grating is pivotably arranged on the lower tubular grating, the tubular sections of the lower tubular grating being arranged to run transversely to the tubular sections of the upper tubular grating. Due to this design, it is now achieved that the perforated plate or the perforated plate is integrated between these two pivotably arranged pipe grids, so that a mechanical stripping takes place here once through the stripper plate, whereby a Spraying and irradiation with water can take place around the circumference of the jacket of the individual cooling elements.
  • An inlet and an outlet for a cleaning medium are provided on the tubular frame.
  • the stripper plate is also interspersed with channels ending in the hole area for feeding in cleaning steam on the hole circumference. This results in double cleaning, which on the one hand acts directly on the jacket of the individual cooling element, namely by virtue of the fact that the cleaning steam on the perimeter of the hole in the stripper plate acts directly on the individual cooling element, whereby the parallel pipe sections, which are in two levels work, also provide for a final rinse.
  • channels are arranged in the cover body which are in operative connection with the cooling elements fastened to the surface and the cover body at least two Comprises levels with the channels, which provide a flow and a return of the cooling medium for the cooling elements.
  • the flow and return are integrated in a primary circuit, which in turn is in operative connection with a secondary circuit for regulating the cooling temperature.
  • a thermometer is provided in one of the cooling elements, which is in operative connection with the secondary circuit for regulation.
  • the thermometer which detects the temperature of the food to be cooled, is provided in the center of the cooling elements arranged on the cover body, so that in particular the temperature in the core of the food that prevails in the center of the volume mass is detected.
  • the primary circuit is connected to the secondary circuit via a three-two-way valve.
  • the two cooling circuits are in operative connection via the three-two-way valve.
  • cold medium is fed into the primary circuit accordingly, via the three-two-way valve, so that controlled cooling takes place.
  • the regulation via the primary circuit is carried out accordingly by measuring the temperature on the cooling element, so that a gradual controlled cooling can take place via the secondary circuit.
  • thermometers and regulators are also provided in the primary circuit in the supply line and in the discharge line so that the cooling process or the cooling process can be carried out in a moderate manner.
  • the cooling medium circulating from the primary circuit is pumped through the individual cooling elements in such a way that the cooling medium flows through the double-walled pipe of the cooling element and the cooling medium is supplied via the annular space between the inner pipe and the outer pipe and returned through the inner pipe.
  • the cooling device as such interacts here with a stroke submission, by means of which either a lowering of the cooling elements in the Standard trolley or the standard trolley is raised to remove the cooling elements.
  • lances are moved into a filled container or standard car.
  • the individual lance is a double-walled tube, with a second tube with a smaller diameter inserted in the outer tube.
  • a coolant such as B. water, ice water, brine, glycol, etc. circulates through the spaces between the two pipes.
  • the tubes are held in place by stainless steel plates and inserted into one another.
  • Corresponding chambers for the flow and return of the cooling medium ensure uniform pressure distribution and thus uniform flows in the lances.
  • the corresponding heat exchanger surface is much larger than in a cooling vessel.
  • the wall thickness is also much thinner than with a cooling vessel, which increases the heat transfer.
  • a distribution of the heat during cooling can be increased by moving the lances out vertically at certain intervals or by re-submerging them. The vertical movement for the immersion process is carried out by a lifting device.
  • cooling system According advantages of the cooling system according to the invention are that no pump conveys the food to be cooled through pipes, which would only damage the product. Furthermore, the system does not have any hidden corners and edges in which bacteria can form. Furthermore, cross-contamination from further filling of a cooling vessel is excluded. A particular advantage is that little cleaning effort is required. In addition, there is little product loss because the batch can be changed easily. It is also advantageous that product damage does not occur during cooling.
  • the device for cooling in the warm food in the standard trolley can be immersed, wherein a cooling medium circulates through the device, which a uniform, homogeneous reduction of the stored heat over the mass volume stored in the standard trolley Food works.
  • the device consists of a plate-like cover body which completely covers the opening cross section of the container, and here in particular the opening cross section of the standard trolley.
  • the cover body advantageously has vertical cooling elements on its underside which, when the device is attached, dip into the volume mass to be cooled. Due to this design it is achieved that the cooling elements come into direct contact with the warm food over the entire volume of the food to be cooled, so that due to this design an effective heat dissipation is achieved, whereby the cooling takes place accordingly in the core area of the food. This means that no residual germs can form and undesired post-cooking effects arise.
  • channels are arranged in the cover body, which are in connection with the cooling elements attached to the surface.
  • the cover body comprises at least two levels with channels that provide a flow and a return for the coolant through the cooling elements.
  • these are arranged distributed over a surface grid on the underside of the cover body, and here preferably over a rectangular surface. It goes without saying that when a round vessel or a round standard trolley is used, the cooling elements on the underside of the cover body are accordingly also arranged on a circular surface.
  • the individual cooling element comprises a double-walled tube, the cooling medium being supplied via the annular space that extends between the inner tube and the outer tube and being returned again through the inner tube. This results in a coolant circuit that quickly and efficiently cools down the heated food. The reverse flow is also possible.
  • the individual cooling element can also consist of a flow pipe and a return pipe exist, which are connected at their lower ends with a pipe bend.
  • a stripper plate designed as a perforated plate is provided on the underside of the cover body, which removes leftovers from the cooling elements when the device is pulled out. It goes without saying that when the lances or the pipes are pulled out of the cooled food mass, the scraper plate remains on the opening cross-section of the standard trolley, with the food residues then also being scraped off on the underside of the scraper plate.
  • rubberized ring seals are particularly present in the openings of the perforated plate, which enable clean removal.
  • the Figures 1 and 2 show a cooling device, on the one hand in the front view and on the other hand in the sectional side view, for reducing the temperature of cooked warm food 3 in liquid or pasty form held in a container, in particular in a standard trolley 2.
  • the device 1 for cooling is immersed in the warm food 3, a cooling medium circulating through the device 1, which causes a uniform, homogeneous reduction of the stored heat over the mass volume of the food 3 stored in the standard trolley 2.
  • a coolant is supplied which is then introduced into the warmed food 3 via the device 1.
  • the device 1 extends over the upper opening cross section of the standard carriage 2 and covers it.
  • the device comprises a cover body 4, which has vertically arranged cooling elements 5 on its underside, which immerse in the attached state of the device 1 in the volume of the food 3, as in particular in the Figures 1 and 2 will be shown. This situation is also particularly evident in the Figure 4 shown where in particular the cooling elements 5 are immersed in the food 3 in an exposed representation.
  • channels 6 and 7 are arranged in the cover body 4 and are connected to the cooling elements 5 fastened to the surface 8.
  • the cover body 4 has at least two levels 9 and 10 with the channels 6 and 7, the level 10 providing the flow and the other level 9 providing the return of the coolant for the cooling elements 7.
  • the lower level 10 - and here the channel 7 - as a flow formed, the plane 9 with the channels 6 here forming the return.
  • These channels 6 and 7 are correspondingly provided with flange connections 11 and 12 - shown in FIG Figure 1 - in connection so that the coolant supply can be connected accordingly.
  • the flow and return can also be swapped.
  • the cooling elements 5 are arranged on the cover body 4 via a surface grid 8 on the underside of the cover body 4, preferably via a rectangular surface, as is shown in particular in FIG Figure 3 can be seen. It goes without saying here that if, for example, a round standard trolley 2 is used here, the surface pattern is then also round. From the Figure 4 it can be seen that the individual cooling element 5 comprises a double-walled tube, the cooling medium being supplied via the annular space that extends between the inner tube and the outer tube and being returned again through the inner tube. This means that the cooling medium absorbs heat over the entire circumference of the pipe in the food 3 and thus the heat can be dissipated in the entire mass volume of the food 3.
  • these can also consist of individual flow and return pipes which are each connected to a pipe bend at their lower ends.
  • the cooling medium is then introduced into the feed 3 via a flow pipe, the heat being correspondingly removed via the return pipe located next to it. Due to a large volume flow or a low calculated temperature difference, the heat dissipation takes effect over the entire length of the pipe in the product.
  • a stripper plate 16 designed as a perforated plate is provided on the underside of the cover body 6, which removes food residues from the cooling elements 5 when the device 1 is pulled out. It is now conceivable that when the cover body 4 with the cooling elements 5 is pulled out of the feed volume, the food residues adhering to the outer tube 15 will then stick to the perforated plate 16 are stripped, in order to further improve the stripping process, in particular rubberized ring seals 17 are provided in the individual holes of the stripper plate 16.
  • the device 1 In order to use the device 1 simply and quickly, it interacts with a lifting device 18, by means of which either the cooling elements 5 are lowered into the standard trolley 2 or the standard trolley 2 is raised to accommodate the cooling elements 5.
  • the Figures 5 and 6 each show, in individual views, the perforated plate provided on the underside of the cover body 4 or the stripper plate 16 designed as a perforated plate, which removes food residues from the circumference of the cooling elements 5 when the cooling elements 5 are pulled out.
  • the stripper plate 16 consists of holes 19 through which the individual cooling elements 5 are extended and retracted.
  • the individual holes 19 are dimensioned in such a way that they lie tightly against the jacket of the round cooling elements 5, so that the food residues are wiped off the perforated plate.
  • the stripper plate 16 is penetrated by channels 20, which end in the hole edge area 21 of the holes 19 in fine nozzles for feeding in cleaning steam.
  • the stripper plate 16 is arranged in a frame frame 22 formed by tubes, which is also equipped with a nozzle for cleaning the cooling elements 5.
  • the frame 22 consists of an upper and a lower tubular grille 23 and 24, both tubular grids 23, 24 are pivotally connected to each other.
  • hinges 25 are provided on one of the longitudinal sides, as shown in FIG Figure 8a can be clearly seen, but also in the Figure 8b these can be seen on the side area of the frame 22.
  • the individual pipe grating 23, 24 consists of a circumferential pipe frame 26 and 27, in which pipe sections 28 and 29 with nozzle openings 30 are arranged parallel to one another, as shown, for example, in the individual view of FIG Figure 7a of the pipe grille 23 can be seen.
  • the two tubular frames 26 and 27 are held together by a latching device 46 when they are folded together.
  • the upper tubular grating 23 is pivotably arranged on the lower tubular grating 24, the tubular sections 29 of the lower tubular grating 24 being arranged to run transversely to the tubular sections 28 of the upper tubular grating 23.
  • the pipe sections 28 and 29 have nozzle openings 30, as shown in FIG Figure 7b are indicated in the detailed view. These are also in the Figures 8a and 8b indicated, with an inlet and an outlet 31 and 32 for a cleaning medium being provided on the frame 22.
  • the design and configuration of the frame 22 now results in the following cleaning device for the cooling elements 5, the stripper plate 16 being inserted between the two tubular grids 23 and 24.
  • a steam generator is connected to the nozzle 33, which makes the cleaning steam available to the nozzles in the hole edge area 21.
  • the connected stripper plate 16 is then inserted into the frame 23, the two pipe grids 23 and 24 also being connected to a spraying device via the inlet and outlet 31, 32 so that fresh water can accordingly be introduced into the pipe grids in order to access them Way to cause irradiation and moistening of the cooling elements 5 when pulling out of the cooled food.
  • the frame 22 as such is not detailed here for a
  • the frame shown is designed to be rollable, with rollers 34 being provided on the frame 22 so that the cleaning device here can be pulled out of the area of the cooling device 1 in order to then clean it.
  • channels 6 and 7 are arranged on the cover body 4 and are connected to the cooling elements 5 fastened to the surface.
  • the cover body 4 has two levels 9 and 10 with the channels 6 and 7, which provide a flow and a return of the cooling medium for the cooling elements 5.
  • a control and regulation device for the cooling elements As in particular from the Figure 10 can be seen, there is shown a control and regulation device for the cooling elements.
  • the supply and return lines 35 and 36 are integrated in a primary circuit 37, the primary circuit 37 in turn being in operative connection with a secondary circuit 38 for regulating the cooling temperature.
  • a secondary circuit 38 for regulating the cooling temperature.
  • thermometer 39 is provided in one of the cooling elements 5, which thermometer is in operative connection with the secondary circuit 38 for regulation.
  • the thermometer 39 is indicated in the primary circuit 37, which is in operative connection with the control circuit, the secondary circuit 38.
  • thermometer 39 which is located on the cooling elements 5 in the center
  • thermometers 41 and 42 are provided in the primary circuit 37 in the inlet and outlet of the primary circuit 37 to determine how the temperature in the food cools down.
  • correspondingly cold medium is fed into the primary circuit 37 via the two-three-way valve 40, so that the cooling process can be carried out in a controlled manner.
  • thermometer 43 is still in the inlet of the Secondary circuit 38 is provided, which in particular measures the coolant temperature in the control circuit.
  • the coolant is kept in circulation via a pump 44 in the primary circuit 37, whereby appropriately warmed-up cooling medium can be taken from the primary circuit 37 via the drain 45 via an outlet 45 in the primary circuit 37, so that the feed temperature can be continuously reduced in a controlled manner.
  • the individual cooling element 5 here comprises a double-walled tube, the cooling medium being supplied via the annular space 13 between the inner and outer tubes 14, 15 and being returned through the inner tube 14, the temperature then being measured via the thermometer 39 can be measured in the core of the food for the primary circuit 37. Based on the temperature difference at the thermometers 41 and 42 between the inlet and outlet of the primary circuit 37, regulation can then take place, with a corresponding coolant being supplied via the secondary circuit 38 in order to carry out controlled cooling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Commercial Cooking Devices (AREA)

Claims (13)

  1. Dispositif de refroidissement (1), destiné à réduire la température d'un aliment chaud, cuit, à l'état liquide ou pâteux, stocké dans un récipient (2),
    comprenant un organe formant couvercle (4) en forme de plaque, qui recouvre une section transversale d'ouverture du récipients (2),
    l'organe formant couvercle (4) comportant sur sa face inférieure des éléments de refroidissement (5) placés à la verticale, qui dans une position en prise, escamotée du dispositif de refroidissement (1) sont plongés dans une masse volumétrique de l'aliment,
    à travers les éléments de refroidissement (5) pouvant circuler un agent de refroidissement au moyen duquel de la chaleur stockée en son intérieur est soutirable de l'aliment,
    caractérisé en ce que
    sur la face inférieure de l'organe formant couvercle (4) est prévue une plaque dévêtisseuse (16), conçue sous la forme d'une tôle perforée ou d'une plaque performée, qui comporte une multiplicité de perforations (19),
    les éléments de refroidissement (5) individuels étant susceptibles d'être déployés dans le récipient (2) ou escamotables hors du récipient (2) à travers les perforations (19), de telle sorte qu'au moyen de la plaque dévêtisseuse (16), lors du retrait du dispositif de refroidissement (1) hors de l'aliment, des restes d'aliment puissent être retirés des éléments de refroidissement (5),
    les perforations (19) individuelles étant dimensionnées de sorte à être étroitement adjacentes à une enveloppe des éléments de refroidissement (5), de sorte qu'un effet dévêtisseur des restes d'aliment sur la plaque dévêtisseuse (16) ait lieu,
    la plaque dévêtisseuse (16) étant traversée par des canalisations (20) qui se terminent dans une zone marginale des perforations (21) pour l'alimentation de vapeur nettoyante sur une circonférence des perforations (19).
  2. Dispositif de refroidissement selon la revendication 1,
    caractérisé
    en ce que la plaque dévêtisseuse (16) est placée dans un châssis de cadre (22) formé de tubes, lequel est équipé d'une pulvérisation, destinée à nettoyer les éléments de refroidissement (5).
  3. Dispositif de refroidissement selon la revendication 2,
    caractérisé
    en ce que le châssis de cadre (22) est constitué d'une grille tubulaire (23) supérieure et d'une grille tubulaire (24) inférieure.
  4. Dispositif de refroidissement selon la revendication 3,
    caractérisé
    en ce que la grille tubulaire (23, 24) individuelle est constituée d'un cadre tubulaire (26, 27) périphérique, dans lequel des tronçons de tube (28, 29) pourvus d'orifices de buses (30) sont placés à la parallèle les uns des autres.
  5. Dispositif de refroidissement selon la revendication 4,
    caractérisé
    en ce que la grille tubulaire (23) supérieure est placée de manière à pouvoir pivoter sur la grille tubulaire (24) inférieure, les tronçons de tube (29) de la grille tubulaire (24) inférieure étant placés en s'écoulant à la transversale des tronçons de tube (28) de la grille tubulaire (23) supérieure.
  6. Dispositif de refroidissement selon les revendications 1 à 5,
    caractérisé
    en ce que sur le cadre tubulaire (26, 27) sont prévus respectivement une arrivée (31) et un écoulement (32) pour un agent nettoyant.
  7. Dispositif de refroidissement selon les revendications 1 à 6,
    caractérisé
    en ce que dans l'organe formant couvercle (4) sont placées des canalisations (6, 7), qui sont en liaison avec des éléments de refroidissement (5) fixés par l'intermédiaire d'une surface (8) sur la face inférieure de l'organe formant couvercle (4), et en ce que l'organe formant couvercle (4) comprend au moins deux plans (9, 10) pourvus des canalisations (6, 7), qui mettent à disposition un circuit aller (35) et un circuit retour (36) de l'agent de refroidissement pour les éléments de refroidissement (5).
  8. Dispositif de refroidissement selon la revendication 7,
    caractérisé
    en ce que le circuit aller et le circuit retour (35, 36) sont incorporés dans un circuit primaire (37) qui pour sa part, est en liaison active avec un circuit secondaire (38), destiné à réguler la température de refroidissement.
  9. Dispositif de refroidissement selon la revendication 8,
    caractérisé
    en ce que pour la régulation de la température de refroidissement dans le circuit primaire (37), il est prévu au moins un thermomètre (39) dans l'un des éléments de refroidissement (5), lequel pour la régulation est en liaison active avec le circuit secondaire (38).
  10. Dispositif de refroidissement selon la revendication 8 ou 9,
    caractérisé
    en ce que pour la régulation de la température de refroidissement, le circuit primaire (37) est relié avec le circuit secondaire (38) par l'intermédiaire d'une soupape à deux voies (40).
  11. Dispositif de refroidissement selon les revendications 1 à 10,
    caractérisé
    en ce que l'élément de refroidissement (5) individuel comprend un tube à double paroi, l'agent de refroidissement étant susceptible d'être alimenté par l'intermédiaire d'un espace annulaire (13) entre le tube intérieur et le tube extérieur et susceptible d'être ramené par l'intermédiaire d'un tube intérieur (14) .
  12. Dispositif de refroidissement selon les revendications 1 à 11,
    caractérisé
    en ce que le dispositif de refroidissement (1) coopère avec un système de levée (18) au moyen duquel, soit un abaissement des éléments de refroidissement (5) dans un récipient (2) conçu sous la forme d'un chariot normalisé ou une élévation dans le récipient (2) conçu sous la forme d'un chariot normalisé peut s'effectuer, pour recevoir les éléments de refroidissement (5).
  13. Dispositif de refroidissement selon l'une quelconque des revendications 1 à 12,
    caractérisé
    en ce que le récipient (2) est formé par un chariot normalisé.
EP16708613.1A 2015-02-20 2016-02-17 Dispositif de refroidissement pour réduire la température d'aliments cuits et chauds dans un conteneur en particulier dans un chariot standarisé Active EP3259542B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015100832.5U DE202015100832U1 (de) 2015-02-20 2015-02-20 Kühlvorrichtung zur Reduzierung der Temperatur von in einem Behälter, insbesondere in einem Normwagen vorgehaltenen gekochten warmen Speisen
PCT/EP2016/053357 WO2016131869A1 (fr) 2015-02-20 2016-02-17 Dispositif de refroidissement pour abaisser la température de plats chauds cuits conservés dans un récipient, notamment dans un chariot standard

Publications (2)

Publication Number Publication Date
EP3259542A1 EP3259542A1 (fr) 2017-12-27
EP3259542B1 true EP3259542B1 (fr) 2020-10-07

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EP16708613.1A Active EP3259542B1 (fr) 2015-02-20 2016-02-17 Dispositif de refroidissement pour réduire la température d'aliments cuits et chauds dans un conteneur en particulier dans un chariot standarisé

Country Status (4)

Country Link
US (1) US11035630B2 (fr)
EP (1) EP3259542B1 (fr)
DE (1) DE202015100832U1 (fr)
WO (1) WO2016131869A1 (fr)

Citations (1)

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Also Published As

Publication number Publication date
DE202015100832U1 (de) 2016-02-23
US11035630B2 (en) 2021-06-15
US20180038662A1 (en) 2018-02-08
WO2016131869A1 (fr) 2016-08-25
EP3259542A1 (fr) 2017-12-27

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