FR2857224A1 - Device for reducing losses during start up of, and hold-ups in, an industrial production line for ice-cream or similar products, which provides cooling to the tubing between the freezer and the portioning stage - Google Patents

Device for reducing losses during start up of, and hold-ups in, an industrial production line for ice-cream or similar products, which provides cooling to the tubing between the freezer and the portioning stage Download PDF

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Publication number
FR2857224A1
FR2857224A1 FR0308543A FR0308543A FR2857224A1 FR 2857224 A1 FR2857224 A1 FR 2857224A1 FR 0308543 A FR0308543 A FR 0308543A FR 0308543 A FR0308543 A FR 0308543A FR 2857224 A1 FR2857224 A1 FR 2857224A1
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France
Prior art keywords
tubing
freezer
fluid
product
temperature
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FR0308543A
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French (fr)
Inventor
Philippe Guy Heine
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Individual
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Individual
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Priority to FR0308543A priority Critical patent/FR2857224A1/en
Publication of FR2857224A1 publication Critical patent/FR2857224A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/28—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing
    • A23G9/281—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing at the discharge end of freezing chambers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/225—Ice-cream freezing and storing cabinets

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Confectionery (AREA)

Abstract

A device for reducing losses connected with the start up of and/or hold-ups in an industrial production line for ice-cream and similar products. The device comprises a surround for the tubing conducting the product from the freezing unit to the portioning machine capable of conducting within it a fluid and permitting heat exchange between the tubing and the surround, a coolant fluid temperature adjustable to that of the portioning machine, a heat exchanger dumping heat outside the device, a thermal regulator controlling the temperature of the fluid and a motor for the circulation of the coolant fluid. The device comprises a control unit capable of initiating or halting the flow of coolant fluid and of communication with the freezer unit and portioning machine of the production line.

Description

La présente invention concerne un dispositif destiné à réduire les pertesThe present invention relates to a device for reducing losses

lors d'un démarrage d'une ligne de production industrielle de crème glacée et autres produits similaires ainsi que celles résultant des arrêts accidentels de cette même ligne en cours de fonctionnement normal.  when starting an industrial production line of ice cream and similar products as well as those resulting from accidental stops of the same line during normal operation.

Dans l'état actuel de la technique, l'opération de démarrage se fait de la manière suivante: la ligne étant composée d'un freezer (machine destinée à incorporer dans le mix plus ou moins d'air suivant les recettes puis à faire baisser la température de ce mélange jusqu'à une température appelée température de dosage), d'une tubulure destinée à véhiculer la crème glacée du freezer vers la machine de dosage et donc d'une machine de dosage qui précède elle-même généralement un tunnel de durcissement et des machines de conditionnement, on démarre le freezer afin de travailler (glacer) les premières quantités de mix qui sont acheminées par l'intermédiare de la tubulure vers la machine de dosage. 15 Les premières quantités étant impropres au dosage pour des raisons de texture trop molle et trop liquide, elles constituent une perte que l'on tente de recycler ultérieurement sur d'autres installations dans des conditions pas toujours satisfaisantes et souvent partielles.  In the current state of the art, the starting operation is as follows: the line being composed of a freezer (machine intended to incorporate in the mix more or less air according to the recipes and then to lower the temperature of this mixture to a temperature called the dosing temperature), a tubing for conveying ice cream from the freezer to the dosing machine and therefore a dosing machine which itself usually precedes a tunnel of curing and packaging machines, the freezer is started to work (ice) the first quantities of mix that are routed through the tubing to the dosing machine. As the first quantities are unsuitable for dosage because of the texture being too soft and too liquid, they constitute a waste which is attempted to be recycled later on to other installations under conditions which are not always satisfactory and often partial.

Toujours dans l'état actuel de la technique, lors d'un arrêt imprévu de la ligne dépassant quelques instants, il faut arrêter l'opération de dosage et les quantités présentes à cet instant dans la tubulure précitée fondent et sont perdues. Il en résulte souvent le besoin d'un nettoyage suivi d'un redémarrage selon le processus cité ci-dessus, donc lui- même à nouveau générateur de pertes.  Still in the current state of the art, during an unexpected stoppage of the line exceeding a few moments, it is necessary to stop the dosing operation and the quantities present at this time in the aforesaid tubing melt and are lost. This often results in the need for a cleanup followed by a restart according to the process mentioned above, thus itself again generating losses.

Le but de la présente invention est d'apporter un moyen de réduire ces divers types de pertes.  The object of the present invention is to provide a means of reducing these various types of losses.

L'analyse des phénomènes mis en jeu lors de l'opération de démarrage montre que l'origine principale de ce type de pertes est la quantité de produit qu'il faut utiliser pour refroidir la tubulure située entre le freezer et la machine de dosage jusqu'à ce que le métal constituant cette tubulure soit suffisamment froid pour que les conditions d'adhérence entre produit et paroi de la tubulure soient telles que le dosage soit possible.  The analysis of the phenomena involved during the start-up operation shows that the main origin of this type of loss is the quantity of product that must be used to cool the tubing between the freezer and the dosing machine the metal constituting this tubing is cold enough so that the adhesion conditions between the product and the wall of the tubing are such that the dosage is possible.

En effet, au sortir du freezer, le produit est à une température comprise entre -8 C à -9 C et 0 C suivant l'utilisation que l'on veut en faire. La température de la tubulure est au début des opérations la température ambiante (18 C et plus). Le boudin fond donc légèrement au contact du métal et s'écoule trop vite en perdant de la consistance et en interdisant le dosage jusqu'à ce que, après le passage d'une certaine quantité de produit, la tubulure soit suffisamment froide pour qu'il se crée une adhérence entre boudin de produit et métal. Le produit devient alors dosable mais des pertes importantes ont eu lieu.  Indeed, when leaving the freezer, the product is at a temperature between -8 C to -9 C and 0 C depending on the use that we want to make. The temperature of the tubing is at the beginning of the operations the ambient temperature (18 C and more). The pudding thus melts slightly in contact with the metal and flows too quickly losing consistency and prohibiting dosing until, after the passage of a certain amount of product, the tubing is cold enough that it creates a bond between product and metal flange. The product then becomes dosable but significant losses have occurred.

Lors d'un arrêt inopiné de la ligne en cours de fonctionnement, l'absence d'isolation entre la paroie extérieure de la tubulure et l'air ambiant ( à 18 C et plus) entraîne le fonte rapide ( et donc sa perte) du produit présent dans la tubulure à cet instant. i0  During an unexpected stop of the line during operation, the absence of insulation between the outer wall of the tubing and the ambient air (at 18 C and more) causes the rapid melting (and thus its loss) of the product present in the tubing at this time. i0

Le dispositif selon la présente invention permet de descendre avant le début du doage la température de la tubulure â la tempréature souhaitée (sans le faire par l'intermédiaire du produit) en évitant ainsi les pertes liées au démarrage, de créer lors des incidents de fabrication une isolation thermique stable dans le temps de cette tubulure vis à vis de son environnement extérieur tout en autorisant un glissement ultérieur du produit sur sa paroi interne afin de permettre un redémarrage sans perte le moment venu et de gérer l'ensemble des éléments situés en amont et en aval de cette tubulure de manière à maintenir immobile le boudin de produit situé dans la tubulure pendant tout le temps que dure l'incident.  The device according to the present invention makes it possible to lower the temperature of the tubing to the desired tempering (without doing so via the product) before the beginning of the dosing, thus avoiding the losses associated with starting, to create during manufacturing incidents. a stable thermal insulation over time of this pipe vis-à-vis its external environment while allowing a subsequent sliding of the product on its inner wall to allow a restart without loss when the time comes and to manage all the elements located upstream and downstream of this tubing so as to hold the product rod located in the tubular stationary for the duration of the incident.

Le dispositif selon l'invention comporte selon une première caractérisitique trois éléments.: - le premier élément appelé "fluide frigo porteur" est un fluide dont la température, selon une caractéristique de l'invention, peut varier de manière à s'adapter à 25 toutes les températures de dosage possibles.  The device according to the invention comprises, according to a first characteristic, three elements: the first element called "carrier refrigerant fluid" is a fluid whose temperature, according to a characteristic of the invention, can vary so as to adapt to all possible dosing temperatures.

- le second élément appelé " réservoir " est un réservoir apte à contenir " le fluide frigo porteur " . Selon une caractéristique de l'invention, il est équipé d'un "échangeur thermique " puisant son énergie dans une source extérieure au dispositif et situé de telle sorte à autoriser un échange thermique avec le " fluide frigo porteur ".  - The second element called "reservoir" is a reservoir adapted to contain "the carrier refrigerant fluid". According to a feature of the invention, it is equipped with a "heat exchanger" drawing its energy in a source external to the device and located so as to allow a heat exchange with the "carrier refrigerant fluid".

- le troisième élément appelé " régulateur thermique " est selon une caractéristique de l'invention, destiné à réguler les échanges thermiques entre 1"" échangeur thermique " et le fluide frigo porteur " de manière à obtenir la température souhaitée au sein du réservoir.  - The third element called "thermal controller" is according to a feature of the invention for regulating the heat exchange between 1 "" heat exchanger "and the carrier refrigerant fluid" so as to obtain the desired temperature within the tank.

Selon une seconde caractéristique, le dispositif selon l'invention comporte les éléménts suivants: - le premier élément appelé "entourage" permet selon une caractéristique de l'invention, d'entourer la tubulure tout en autorisant la circulation du "fluide frigo porteur" en son sein et tout en autorisant également le transfert d'énergie du " fluide frigo porteur " à la tubulure.  According to a second characteristic, the device according to the invention comprises the following elements: - the first element called "entourage" allows according to a feature of the invention, to surround the tubing while allowing the circulation of "carrier refrigerant fluid" in its breast and while also allowing the transfer of energy from the "carrier refrigerant fluid" to the tubing.

- le second élément appelé "élément moteur" est selon une caractéristique de l'invention, soit une pompe ou soit un compresseur permettant de conférer au " fluide 5 frigo porteur " l'énergie nécessaire à le faire circuler au sein de "l'entourage".  - The second element called "motor element" is according to a feature of the invention, either a pump or a compressor for giving the "carrier refrigerant fluid 5" the energy necessary to circulate within the "entourage ".

Selon une troisième caractérisitique de l'invention, le dispositif sera équipé d'un élément de commande appelé "commande" permettant: - d'une part d'autoriser ou d'interrompre la circulation du "fluide frigo 10 porteur" au sein de l'entourage.  According to a third feature of the invention, the device will be equipped with a control element called "control" enabling: on the one hand to allow or interrupt the circulation of the "carrier refrigerant fluid" within the entourage.

- d'autre part de communiquer au freezer des informations destinées à la fois à arrêter les pompes ( situées en son sein) chargées de pousser le produit et à le mettre en stand-by sur le plan des échanges thermiques ( en son sein) pendant la durée de l'arrêt, ainsi que de communiquer aux matériels de dosage situés en aval de la tubulure un ordre de fermeture.  - on the other hand to communicate to the freezer information intended both to stop the pumps (located within it) responsible for pushing the product and put it in stand-by on the heat exchange plan (within it) during the duration of the shutdown, as well as to communicate to the dosing equipment located downstream of the tubing a closing order.

Selon un mode de réalisation particulier, le "fluide frigo porteur" pourra être de l'eau glycolée.  According to a particular embodiment, the "carrier refrigerant fluid" may be glycol water.

Selon un autre mode de réalisation particulier, le " réservoir" pourra être constitué d'un assemblage de tôles formées et soudées entre elles selon des techniques classiques.  According to another particular embodiment, the "reservoir" may consist of an assembly of sheets formed and welded together according to conventional techniques.

Selon un autre mode de réalisation particulier, 1' " échangeur thermique " pourra être une tubulure située à l'intérieur du " réservoir " et permettant l'échange thermique entre la source d'énergie extérieure au dispositif selon l'invention et le" fluide frigo porteur ".  According to another particular embodiment, the "heat exchanger" may be a pipe located inside the "reservoir" and allowing the heat exchange between the external energy source to the device according to the invention and the "fluid" fridge carrier ".

Selon un autre mode de réalisation particulier, le " régulateur thermique " pourra être un système classique en automatisme industriel permettant d'autoriser ou d'interrompre l'échange thermique entre la source extérieure d'énergie et le " fluide frigo porteur " en étant commandé par une sonde de température à seuil de déclenchement réglable mesurant la température du " fluide frigo porteur " à l'intérieur du " réservoir ".  According to another particular embodiment, the "thermal regulator" may be a conventional system in industrial automation to allow or interrupt the heat exchange between the external source of energy and the "carrier refrigerant fluid" being controlled by an adjustable threshold temperature sensor measuring the temperature of the "carrier refrigerant fluid" inside the "tank".

Selon un autre mode de réalisation particulier, "l'entourage" pourra être un serpentin fait de tuyau creux entourant la tubulure spire contre spire de manière à constituer à cette tubulure une sorte de seconde enveloppe. Le rendement du système serait vraisemblablement fortement amélioré si la section du tuyau creux était parallélépipédique (et non pas ronde) de manière à créer un contact surfacique (et non pas linéaire) avec la tubulure. La matière de "l'entourage", par exemple du cuivre selon un mode de réalisation particulier, permettra le transfert des frigories du "fluide frigo porteur" vers la tubulure.  According to another particular embodiment, the "entourage" may be a coil made of hollow pipe surrounding the tubing spire against turn so as to form this tubulure a kind of second envelope. The efficiency of the system would likely be greatly improved if the section of the hollow pipe was parallelepipedic (and not round) so as to create a surface (not linear) contact with the tubing. The "surrounding" material, for example copper according to a particular embodiment, will allow the transfer of the frigories of the "carrier refrigerant fluid" to the tubing.

Selon un d'autres modes de réalisation particulier, " l'élément moteur" pourra être choisi dans la gamme classique des produits du commerce et la "commande" réalisée selon des règles d'automatisme classiques.  According to one of other particular embodiments, the "motor element" may be chosen from the standard range of commercial products and the "control" made according to conventional automation rules.

L'avantage principal offert par le dispositif selon l'invention est: d'une part la réduction des pertes liées au démarrage d'une installation industrielle classique de fabrication de crème glacée et autres produits similaires par refroidissement préalable de la tubulure conduisant le produit du freezer à la machine de dosage - d'autre part, d'immobiliser et d'isoler thermiquement le produit présent au sein de la tubulure au moment d'un éventuel incident de production nécessitant l'arrêt du dosage en maintenant à la fois la température de la tubulure elle-même et la température du produit exactement égale à la température de dosage du produit, permettant ainsi un redémarrage là aussi sans pertes.  The main advantage offered by the device according to the invention is: on the one hand the reduction of the losses associated with the start-up of a conventional industrial ice-cream manufacturing plant and the like by pre-cooling the tubing leading to the product of the freezer to the dosing machine - on the other hand, to immobilize and thermally isolate the product present in the tubing at the time of a possible production incident requiring the discontinuation of the dosage while maintaining both the temperature of the tubing itself and the temperature of the product exactly equal to the dosing temperature of the product, thus allowing a restart there also without losses.

Claims (1)

REVENDICATIONS 1)Dispositif pour réduire les pertes liées au démarrage d'une ligne de fabrication industrielle de crème glacée et autres produits similaires ainsi que les pertes liées aux arrêts de cette ligne en cours de production caractérisé en ce qu'il comporte un " entourage " placé autour de la tubulure qui conduit le produit du freezer à la machine de dosage et capable de laisser circuler en son sein un fluide et également capable d'autoriser les échanges thermiques entre ce fluide et la tubulure; caractérisé également en ce qu'il comporte un " fluide frigo porteur " dont la température est ajustable à la température de dosage du produit; caractérisé également en ce qu'il comporte un " réservoir " pouvant contenir du " fluide frigo porteur "; caractérisé également en ce qu'il comporte un " échangeur thermique " puisant son énergie dans une source extérieure au dispositif selon l'invention et qu'il comporte aussi un " régulateur thermique ", chargés tous deux d'ajuster la température du " fluide frigo porteur " à la température de dosage du produit; caractérisé également en ce qu'il comporte un " élémént moteur " capable de conférer au " fluide frigo porteur " l'énergie nécéssaire pour le faire circuler au sein del' " entourage "; caractérisé également en ce qu'il comporte une " commande " permettant d'une part d'autoriser ou d'interrompre la circulation du " fluide frigo porteur " au sein de l"'entourage " et d'autre part de transmettre au freezer situé en amont de la tubulure ainsi qu'au système de dosage situé en aval de la tubulure l'ensemble des informations nécessaire à l'immobilisation du produit situé au sein de la tubulure au moment ou survient un incident de fabrication nécessitant l'interruption du dosage.  1) Device for reducing the losses associated with the start-up of an industrial ice cream production line and other similar products, as well as the losses associated with the stops of this line during production, characterized in that it includes an "entourage" placed around the tubing which leads the product of the freezer to the dosing machine and capable of circulating a fluid therein and also capable of allowing the heat exchange between this fluid and the tubing; characterized in that it comprises a "carrier refrigerant fluid" whose temperature is adjustable to the product dosing temperature; characterized in that it comprises a "reservoir" which may contain "carrier refrigerant fluid"; characterized also in that it comprises a "heat exchanger" drawing its energy in a source external to the device according to the invention and that it also comprises a "thermal controller", both loaded to adjust the temperature of the "refrigerant fluid" carrier "at the product dosing temperature; characterized in that it comprises a "élémént engine" capable of giving the "carrier refrigerant fluid" the energy necessary to circulate within the "entourage"; characterized also in that it comprises a "command" allowing on the one hand to allow or interrupt the circulation of "carrier refrigerant fluid" within the "entourage" and on the other hand to transmit to the freezer located upstream of the tubing and the dosing system located downstream of the tubulure all the information needed to immobilize the product located within the tubing at the time of occurrence of a manufacturing incident requiring discontinuation of the dosage .
FR0308543A 2003-07-11 2003-07-11 Device for reducing losses during start up of, and hold-ups in, an industrial production line for ice-cream or similar products, which provides cooling to the tubing between the freezer and the portioning stage Withdrawn FR2857224A1 (en)

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FR0308543A FR2857224A1 (en) 2003-07-11 2003-07-11 Device for reducing losses during start up of, and hold-ups in, an industrial production line for ice-cream or similar products, which provides cooling to the tubing between the freezer and the portioning stage

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FR0308543A FR2857224A1 (en) 2003-07-11 2003-07-11 Device for reducing losses during start up of, and hold-ups in, an industrial production line for ice-cream or similar products, which provides cooling to the tubing between the freezer and the portioning stage

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462968A (en) * 1968-09-13 1969-08-26 Stoelting Bros Co Freezer with remote refrigerated supply and delivery and cooling conduit therefor
US3961494A (en) * 1975-02-14 1976-06-08 The Kroger Company Soft food mix dispensing apparatus and method
US4275567A (en) * 1980-03-31 1981-06-30 Beatrice Foods Co. Method and apparatus for controlling operation of a soft-serve machine
US4484597A (en) * 1981-11-26 1984-11-27 Bravo S.P.A. Homogenizer device, in particular for the production of whipped cream
US4712920A (en) * 1984-08-02 1987-12-15 Glacier Products, Inc. Apparatus for manufacturing soft ice cream and the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462968A (en) * 1968-09-13 1969-08-26 Stoelting Bros Co Freezer with remote refrigerated supply and delivery and cooling conduit therefor
US3961494A (en) * 1975-02-14 1976-06-08 The Kroger Company Soft food mix dispensing apparatus and method
US4275567A (en) * 1980-03-31 1981-06-30 Beatrice Foods Co. Method and apparatus for controlling operation of a soft-serve machine
US4484597A (en) * 1981-11-26 1984-11-27 Bravo S.P.A. Homogenizer device, in particular for the production of whipped cream
US4712920A (en) * 1984-08-02 1987-12-15 Glacier Products, Inc. Apparatus for manufacturing soft ice cream and the like

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