WO2008093367A1 - Système de pasteurisation de produits alimentaires - Google Patents

Système de pasteurisation de produits alimentaires Download PDF

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Publication number
WO2008093367A1
WO2008093367A1 PCT/IT2007/000060 IT2007000060W WO2008093367A1 WO 2008093367 A1 WO2008093367 A1 WO 2008093367A1 IT 2007000060 W IT2007000060 W IT 2007000060W WO 2008093367 A1 WO2008093367 A1 WO 2008093367A1
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WO
WIPO (PCT)
Prior art keywords
pasteurising
chamber
foodstuffs
movement
opening
Prior art date
Application number
PCT/IT2007/000060
Other languages
English (en)
Inventor
Dino Veronesi
Original Assignee
Verinox S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Verinox S.P.A. filed Critical Verinox S.P.A.
Priority to PCT/IT2007/000060 priority Critical patent/WO2008093367A1/fr
Publication of WO2008093367A1 publication Critical patent/WO2008093367A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • A23B4/005—Preserving by heating
    • A23B4/0053—Preserving by heating with gas or liquids, with or without shaping, e.g. in form of powder, granules or flakes
    • A23B4/0056—Preserving by heating with gas or liquids, with or without shaping, e.g. in form of powder, granules or flakes with packages, or with shaping in the form of blocks or portions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • A23B4/005—Preserving by heating
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/003—Control or safety devices for sterilisation or pasteurisation systems
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/02—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/10—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are not progressively transported through the apparatus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/10—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are not progressively transported through the apparatus
    • A23L3/12—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are not progressively transported through the apparatus with packages in intercommunicating chambers through which the heating medium is circulated
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/16—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials
    • A23L3/18—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials while they are progressively transported through the apparatus
    • A23L3/185—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials while they are progressively transported through the apparatus in solid state

Definitions

  • the present invention relates to a system for pasteurising foodstuffs, and in particular a system for pasteurising packaged hams and dressed pork products.
  • the technical purpose of the present invention is to produce a system for pasteurising foodstuffs which guarantees a high speed of penetration of the temperature in the foodstuff, and greater safety in killing off the most common pathogens such as salmonella, colon bacilli and listeria.
  • the technical purpose specified and the aims indicated are substantially achieved by a system for pasteurising foodstuffs as described in the claims herein.
  • Figure 1 is a schematic plan view of a system made in accordance with the present invention.
  • Figure 2 is a perspective top view of a structure for supporting foodstuffs to be pasteurised which can be used in the system of Figure 1;
  • Figure 3 is a vertical cross-section of a pasteurising chamber of a system made in accordance with the present invention.
  • Figure 4 is a vertical cross-section of a cooling station of a pasteurising system made in accordance with the present invention
  • Figures 5 to 8 are front views of the detail of the upper part of the structure of Figure 2 at different sections of the system (feeding zone, pasteurising chamber, first cooling sub- station, second cooling sub-station) ;
  • Figure 9 is a schematic top view of an embodiment of a system made in accordance with the present invention showing the initial and final parts of the forward feed path for the foodstuffs in the system;
  • Figures 10 and 11 are enlarged views respectively of the details X ad XI of Figure 9;
  • Figure 12 is a schematic lateral cross-section of the pasteurising chamber and the cooling station of a pasteurising system made in accordance with the present invention
  • Figure 13 is a vertical cross-section of the detail of the hooking of the structure of Figure 2 to the rest of the system at a first cooling sub-station;
  • Figures 14 and 15 are enlarged views respectively of the details XIV and XV of Figure 12;
  • Figure 16 is a perspective view with some parts cut away of a detail of the forward feed system for the supporting structures in the second cooling sub-station;
  • Figure 17 is a perspective top view with some parts cut away of a detail of a first part of the cooling station;
  • Figure 18 is a perspective view with some parts cut away of a detail of the forward feed system for the supporting structures upstream of the pasteurising chamber;
  • Figure 19 is a schematic lateral cross-section of a another embodiment of a pasteurising system made in accordance with the present invention.
  • the numeral 1 denotes as a whole a system for pasteurising foodstuffs 2 made in accordance with the present invention.
  • the system 1 for pasteurising foodstuffs 2 comprises at least one pasteurising chamber 3 with at least one opening 4, 5 and with closing means 6 for sealing closed the opening 4, 5, and at least one cooling station 7 into which the foodstuffs 2 are brought once the treatment in the pasteurising chamber 3 is complete.
  • the pasteurising chamber 3 is delimited internally by a substantially cylindrical wall 8 which, thanks to its shape, allows it to better withstand the overpressures generated- in the pasteurising chamber 3.
  • the chamber closing means 6 may, for example, comprise either at least one swing door 9 preferably able to open towards the inside of the pasteurising chamber 3 (as in the case in Figure 1 where there are two doors 9 each having two wings) , or a sliding door 10 (as in the case in Figure 19 where the doors are of the type which move vertically) .
  • the pasteurising chamber 3 has a first, foodstuffs 2 inlet opening 4 and a second, foodstuffs 2 outlet opening 5, both fitted with closing means 6.
  • the system 1 preferably has a linear foodstuffs 2 forward feed path along which the pasteurising chamber 3 and the cooling station 7 are located one after another.
  • the cooling station 7 may in turn be divided into a number of sub-stations (a first sub-station 11 and a second sub-station 12 in Figure 12), each preferably able to house a number of foodstuffs 2 substantially corresponding to that which can be housed in the pasteurising chamber 3, since the time needed for cooling the foodstuffs 2 is usually greater than that necessary for the pasteurising heat treatment.
  • the system 1 also comprises feeding means 13 for feeding a plurality of foodstuffs 2 towards the pasteurising chamber 3 and insertion means 14 for inserting the foodstuffs 2 in the pasteurising chamber 3 through the relative opening 4, 5 (first opening 4 in the accompanying drawings) .
  • Movement means 15 allow the foodstuffs 2 to be moved once they have been inserted in the pasteurising chamber 3, and in particular, in the embodiment illustrated, at least from one inlet section 16 close to the first opening 4 to at least one outlet section 17 close to the second opening 5.
  • the system also has extracting means 18 designed to allow the foodstuffs 2 to be extracted from the pasteurising chamber 3 through the relative opening 4, 5 (second opening 5 in the accompanying drawings) and forward feed means 19 which allow the foodstuffs 2 to be fed forward through the cooling station 7.
  • pick up means 20 allow the foodstuffs 2 to be picked up from the cooling station 7 then sent on to other systems/departments.
  • the pick up means 20 have a structural shape similar to that of the feeding means 13.
  • Supply means are associated with the pasteurising chamber 3 and allow steam to be supplied in the pasteurising chamber 3 at a predetermined temperature.
  • Such supply means comprise a steam generator (of the known type and not illustrated) and a plurality of nozzles fed by the steam generator (by means of suitable first pipes 22) and distributed in the pasteurising chamber 3.
  • Figure 3 shows a cross-section of the pasteurising chamber 3 in which it is possible to identify six different nozzles positioned symmetrically relative to the vertical longitudinal middle plane.
  • the pasteurising chamber 3 also comprises a showering circuit whose two central nozzles 25 are visible, positioned in the upper part of the pasteurising chamber 3 so as to spray cold water towards the foodstuffs 2 for depressurising the pasteurising chamber 3 at the end of the heating cycle.
  • the arrangement illustrated in Figure 3 is repeated several times along the pasteurising chamber 3.
  • the cooling station 7 is a tunnel in which there are spraying means 26 for spraying water on the foodstuffs 2 inside it.
  • the spraying means 26 comprise second pipes 27 which feed water to a plurality of nozzles 28.
  • a collection system 29 recovers the water on the base of the cooling station 7 and puts it back into circulation using a suitable pumping unit 30.
  • the spraying means also comprise an evaporation tower recovery system to keep the temperature of the cooling water at a value not higher than 18 - 20 0 C. When said temperature is exceeded, the evaporation tower has a water - glycol heat exchanger added to it. Operation of the entire system 1 is managed by at least one electronic control system operatively connected to the various parts of the system 1 (not illustrated) .
  • the electronic system is programmed to carry out in sequence a first operating step of inserting a plurality of foodstuffs 2 in the pasteurising chamber 3 using the feeding means 13, a second operating step of closing the pasteurising chamber 3 with the sealing closing means 6, and a third operating step of supplying steam at a temperature of between 100 0 C and 120 0 C in the pasteurising chamber 3 using the ' supply means.
  • the supply of steam is controlled in such a way that an overpressure is created in the pasteurising chamber 3 relative to the environment, greater than 0.01 bar and less than 0.5 bar and with a rela-tive humidity of between 22 and 99%.
  • the step of supplying steam lasts for a predetermined time.
  • the electronic system is also programmed to feed the foodstuffs 2 forward along the cooling station 7 using the forward feed means 19 and to spray water, with the spraying means 26, on the foodstuffs 2 positioned along the cooling station 7 to cool them.
  • the methods for moving the foodstuffs 2 may vary.
  • the feeding means 13, the movement means 15 and the forward feed means 19 respectively comprise one or more first conveyors 31, one or more second conveyors 32 and one or more third conveyors 33 on which the foodstuffs 2 may be directly loaded.
  • the conveyors 31, 32, 33 are repeated on four levels on top of one another.
  • the pick up means 20 comprise one or more fourth conveyors 34 similarly to the feeding means 13.
  • Suitable loading and unloading devices 35, 36 allow foodstuffs 2 to be loaded on the feeding means 13 and unloaded from the pick up means 20.
  • the insertion means 14 and extracting means operate in a way similar to those described below relative to the second foodstuffs 2 movement method.
  • the indirect movement of foodstuffs 2 involves the use of a plurality of movable supporting structures 37 on which the foodstuffs 2 are positioned and on which at least the feeding means 13, the movement means 15 and the forward feed means 19 act.
  • the supporting structure 37 comprises a frame 38 on which a plurality of shelves
  • the latter can be operatively associated with at least the feeding means 13, movement means 15 and forward feed means 19 to allow the foodstuffs 2 to ⁇ e moved along the pasteurising system
  • the ,' supporting structure 37 is preferably suspended by the upper hooking end 40 so that, in practice, its lower part is raised off the ground ( Figures..2 and 3) .
  • the supporting structure 37 has a plurality of idle wheels 41 (four in Figures 2, 16 and 18) mounted at the upper hooking end 40.
  • the upper hooking end 40 comprises a longitudinal element 42 centrally pivoting at the rest of the frame 38 (which is therefore free to rotate relative to the longitudinal element 42) having at each end two bars 43 extending upwards, at the top of each of which two idle wheels 41 are transversally pivoting on both sides.
  • Figures 5 to 8, Figure 13, Figure 16 and Figure 18 show how such supporting structures 37 interact with the feeding means 13, movement means 15 and forward feed means 19 to allow the foodstuffs 2 to be moved along the system 1.
  • the feeding means 13 comprise a guide 44 extending according to its own trajectory and on which the idle wheels 41 of the supporting structures 37 move, and a mechanism 45 for pushing the supporting structures 37 along the guide 44.
  • the guide 44 comprises two tracks 46 set side by side and distanced from one another, in the middle of which the two vertical bars 43 are inserted, and on which the idle wheels 41 rest.
  • the pushing mechanism 45 is schematically illustrated in Figures 9 and 18. It is a stepping mechanism which allows each supporting structure 37 to be fed forward by a predetermined distance each time it is activated. It comprises a plurality of engagement elements 47, distributed along the guide 44 extension trajectory, which can be moved in a synchronised fashion along the trajectory, each from a back position to a forward position.
  • each engagement element 47 comprises a supporting part 48 driven with a to and fro movement, and a movable part 49 associated with the supporting part 48.
  • the movable part 49 moves with the supporting part 48, but may also move, relative to it, between a first position and a second position.
  • the movable part 49 When it is in the first position ( Figure 18) the movable part 49 is transversal to the movement trajectory of the supporting structures 37, so that it can make contact with a supporting structure 37 (and in particular with its longitudinal element 42) located on the guide 44 at the movement zone of the engagement element 47 to which the movable part 49 belongs.
  • the movable part 49 when it is in the second position (not illustrated) , the movable part 49 is rotated relative to the first position, and is practically aligned with the guide 44 for the supporting structures, so that it cannot make contact with supporting structures 37 hooked on the guide 44.
  • the movable part 49 In the absence of external stresses, the movable part 49 is kept in the first position ⁇ by suitable elastic return means (not illustrated) .
  • suitable elastic return means (not illustrated) .
  • the movable part 49 in its first position, makes contact with a supporting structure 37 as illustrated in Figure 18 (that is to say, during movement of the engagement element 47 from the back position to the forward position) , it causes the supporting structure 37 to be pulled along the guide 44.
  • the feeding means may also comprise mechanical stops (not illustrated) associated one with the back position of each engagement element 47 to prevent the supporting structures 37 from continuing their forward and/or backward movement due to any unfavourable gradients.
  • the pick up means 20 downstream of the cooling station 7 may also have a similar configuration.
  • the pick up means 20 also comprise a pulling tooth 50 which can be operated witn"'a to and fro motion by means of a specific first actuator 51, able to unload the supporting structures from the forward feed means 19.
  • the feeding means 13 may comprise means 52 for orientation of the supporting structures 37 which allow the structures to be oriented in the most suitable way for their entry in the pasteurising chamber 3.
  • the orientation means 52 allow first orientation of the supporting structures 37 longitudinally along the guide 44 then again transversally to it. Longitudinal orientation is achieved by means of a fixed guide element 53 (Figure 9), whilst subsequent transversal orientation is achieved with a suitable cylinder 54 ( Figure 10] . In both cases, it is the frame 38 of the supporting structures 37 which rotates relative to its upper hooking end 40 (therefore about an axis of rotation which is in practice vertical, indicated with a dotted and dashed line in Figure 2) .
  • the movement means 15 and forward feed means 19 respectively comprise at least a first pulling chain 55 and a second pulling chain 56 designed to feed forward the supporting structures 37 on which the foodstuffs 2 are supported.
  • the movement means 15 and the forward feed means 19 respectively comprise at least two first chains 55 parallel with one another and two second chains 56 parallel with one another (distanced from one another like the tacks 46 of the feeding means 13 described-atoove - Figures 13 and 16) .
  • Figure 15 relative to the cooling station 7 there may also be two or more pairs of first chains 55 and second chains 56 positioned one after another.
  • Figures 10, 12, 14, 15 and 17 schematically illustrate the insertion means 14 and the extracting means 18.
  • the insertion means 14 allow the reciprocal movement of at least part of the feeding means 13 and/or the movement means 15 in such a way that the movement means 15 can directly pick 'up the foodstuffs 2 unloaded by the feeding means 13.
  • the insertion means 14 are able to move at least part of the feeding means 13 and/or the movement means 15 respectively towards the movement means 15 and the feeding means 13, through the openings in the pasteurising chamber 3.
  • the insertion means 14 comprise a portion 57 of., the feeding means 13 which is telescopically movable between a retracted position in which it is outside the pasteurising chamber 3 (position indicated with a continuous line in Figure 10) and an extended position in which it is inserted in the pasteurising chamber 3 through the first opening 4 (position indicated with a dashed line in Figure 10) and draws near to the movement means 15.
  • Movement of the telescopic portion 57 is guaranteed by two second actuators 58.
  • Pneumatic pushers (not illustrated) allow movement of the supporting structures 37 on the telescopic portion 57 in the extended position and their loading on the first chains 55.
  • the insertion means 14 may comprise a similar portion of the movement means 15 movable between a retracted position in which it is Tri 1 " the pasteurising chamber 3 and an extended position in which it projects outside the pasteurising chamber 3 through the first opening 4 to draw near to the feeding means 13 (solution not illustrated) .
  • the extracting means 18 can allow reciprocal movement of at least part of the movement means 15 and/or the forward feed means 19 in such a way that the forward feed means 19 can directly pick up the foodstuffs 2 unloaded by the movement means 15.
  • the extracting means 18 comprise a portion 59 of the forward feed means 19 movable between a retracted position in which it is outside the pasteurising chamber 3 (indicated with a continuous line in Figures 12, 14 and 15) and an extended position in which it is inserted in the pasteurising chamber 3 through the second opening 5 (indicated with a dashed line in Figures 12, 14 and 15) .
  • the forward feed means 19 are supported by a secondary structure 60 having the shape of a carriage and equipped with a plurality of wheels 61 mounted on a main structure 62 of the cooling station 7. Correct positioning of the forward feed means 19 is guaranteed by a rack 63 integral with the secondary structure 60 meshing with a motor- driven gearwheel 64 mounted on the main structure 62 and controlled by the electronic control system.
  • the extracting means 18 may comprise a portion of the movement means 15 movable between a retracted position in which it is in the pasteurising chamber 3 and an extended position in which it projects outside, the pasteurising chamber 3 through the second opening 5 and is in contact with the forward feed means 19.
  • Operation of the system 1 disclosed is, as already indicated, controlled directly by the electronic control system.
  • each batch of foodstuffs 2 to be pasteurised (where the term batch indicates the quantity of foodstuffs 2 which can simultaneously be inserted in the pasteurising chamber 3) is loaded on a plurality of supporting structures 37 which are hooked one after another by the feeding means 13, one for each engagement element 47.
  • the feeding means 13 move forwards the supporting structures 37 are oriented first longitudinally and then transversally by the orientation means 52.
  • the feeding means 13 are brought into operating contact with the movement means 15 and the supporting structures 37 are pushed one after another onto the first chains 55 which in the meantime move forward one predetermined step after loading each supporting structure 37.
  • the insertion means 14 return to their home condition and the closing means 6 close the chamber .
  • the control system then activates the supply means which supply steam in the pasteurising chamber 3 until a predetermined temperature, pressure and relative humidity in the range indicated above are established.
  • the overpressure in the chamber is eliminated and the closing means 6 open the first and the second opening 5.
  • the extracting means 18 then bring the forward feed means 19 into operative contact with the movement means 15 and the synchronised forward movement of the first and second chains 56 causes the transfer of the supporting structures 37 from the movement means 15 to the forward feed means 19.
  • the cooling station 7 is divided into two sub-stations and the extracting means 18 only affect the first sub-station 11, during the treatment of a batch of foodstuffs 2 in the pasteurising chamber 3, the previous batch is transferred from the first sub-station 11 to the second substation 12 which in the meantime is emptied of the foodstuffs 2 present in it.
  • the second chains 56 cause it to move forward in such a way as to transfer it onto the pick up means 20 which carry it away from the pasteurising system 1.
  • the present invention brings important advantages.
  • the system disclosed guarantees a high speed of penetration of the temperature in the foodstuff and greater safety in killing off the most common pathogens such as salmonella, colon bacilli and listeria.
  • the system disclosed has a high level of productivity.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Preparation And Processing Of Foods (AREA)

Abstract

La présente invention concerne un système de pasteurisation de produits alimentaires, comprenant des éléments suivants : une chambre de pasteurisation (3), une station de refroidissement (7), des moyens (13) d'acheminement des produits alimentaires (2) vers la chambre (3), des moyens (14) d'insertion des produits (2) dans la chambre (3), des moyens (18) d'extraction des produits (2) de la chambre (3), des moyens (19) d'acheminement des produits alimentaires (2) via la station de refroidissement (7), des moyens d'alimentation de la chambre de pasteurisation (3) en vapeur, des moyens (26) de vaporisation d'eau sur les produits alimentaires (2) dans la station de refroidissement (7) et au moins un système (1) de contrôle électronique des opérations. Le système électronique est programmé pour effectuer en séquence les étapes opérationnelles suivantes : l'insertion d'une pluralité de produits alimentaires (2) dans la chambre (3), l'apport de vapeur à une température comprise entre 100°C et 120°C dans la chambre de pasteurisation (3) pour créer dans la chambre une surpression par rapport à l'environnement, surpression supérieure à 0,01 bar et inférieure à 0,5 bar, et une humidité relative comprise entre 22 et 99%.
PCT/IT2007/000060 2007-01-30 2007-01-30 Système de pasteurisation de produits alimentaires WO2008093367A1 (fr)

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PCT/IT2007/000060 WO2008093367A1 (fr) 2007-01-30 2007-01-30 Système de pasteurisation de produits alimentaires

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Cited By (11)

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WO2011141088A1 (fr) * 2010-05-12 2011-11-17 Khs Gmbh Pasteurisation avec une quantité d'injection contrôlée
EP2522236A1 (fr) * 2011-05-09 2012-11-14 Paul Bernard Newman Procédé et appareil pour améliorer les performances d'un hydrostat continu conventionnel
WO2014045237A1 (fr) * 2012-09-24 2014-03-27 Nestec S.A. Procédés et systèmes de commande d'équilibre énergétique pour des perturbations de flux d'alimentation et de température d'alimentation
US8893518B2 (en) 2011-04-25 2014-11-25 Ics Solutions B.V. Accelerating, optimizing and controlling product cooling in food processing systems
US9131729B2 (en) 2011-09-28 2015-09-15 Ics Solutions B.V. Safe and efficient thermal transfer media for processing of food and drink products
US9241510B2 (en) 2011-04-23 2016-01-26 Ics Solutions B.V. Apparatus and method for optimizing and controlling food processing system performance
US9791870B2 (en) 2012-09-24 2017-10-17 Nestec S.A. Methods and systems for energy balance control for feed flow and feed temperature disturbances
US9955711B2 (en) 2011-05-20 2018-05-01 Jbt Food & Dairy Systems B.V. Method and apparatus for increased product throughput capacity, improved quality and enhanced treatment and product packaging flexibility in a continuous sterilizing system
US10252852B2 (en) 2011-04-22 2019-04-09 Jbt Food & Dairy Systems B.V. Adaptive packaging for food processing systems
BE1027260B1 (nl) * 2019-12-17 2020-12-01 Culinor Nv Werkwijze en systeem voor het opvolgen van een pasteurisatieproces
EP4098355A1 (fr) * 2021-06-03 2022-12-07 Maschinenbau Scholz Gmbh & Co. Kg Autoclave pourvu de dispositif de transport destiné au chargement de celui-ci

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EP1281327A1 (fr) * 2000-05-08 2003-02-05 Ono Foods Industrial Co., Ltd. Appareil permettant de chauffer, de cuire et de steriliser
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WO2011141088A1 (fr) * 2010-05-12 2011-11-17 Khs Gmbh Pasteurisation avec une quantité d'injection contrôlée
US10252852B2 (en) 2011-04-22 2019-04-09 Jbt Food & Dairy Systems B.V. Adaptive packaging for food processing systems
US9241510B2 (en) 2011-04-23 2016-01-26 Ics Solutions B.V. Apparatus and method for optimizing and controlling food processing system performance
US8893518B2 (en) 2011-04-25 2014-11-25 Ics Solutions B.V. Accelerating, optimizing and controlling product cooling in food processing systems
EP2522236A1 (fr) * 2011-05-09 2012-11-14 Paul Bernard Newman Procédé et appareil pour améliorer les performances d'un hydrostat continu conventionnel
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US9131729B2 (en) 2011-09-28 2015-09-15 Ics Solutions B.V. Safe and efficient thermal transfer media for processing of food and drink products
CN104661686A (zh) * 2012-09-24 2015-05-27 雀巢产品技术援助有限公司 用于进料流量和进料温度干扰的能量平衡控制的方法和系统
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US9791870B2 (en) 2012-09-24 2017-10-17 Nestec S.A. Methods and systems for energy balance control for feed flow and feed temperature disturbances
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BE1027260B1 (nl) * 2019-12-17 2020-12-01 Culinor Nv Werkwijze en systeem voor het opvolgen van een pasteurisatieproces
EP4098355A1 (fr) * 2021-06-03 2022-12-07 Maschinenbau Scholz Gmbh & Co. Kg Autoclave pourvu de dispositif de transport destiné au chargement de celui-ci

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