EP0323767B1 - Kochvorrichtung für teigige Produkte oder Flüssigkeiten - Google Patents

Kochvorrichtung für teigige Produkte oder Flüssigkeiten Download PDF

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Publication number
EP0323767B1
EP0323767B1 EP88402797A EP88402797A EP0323767B1 EP 0323767 B1 EP0323767 B1 EP 0323767B1 EP 88402797 A EP88402797 A EP 88402797A EP 88402797 A EP88402797 A EP 88402797A EP 0323767 B1 EP0323767 B1 EP 0323767B1
Authority
EP
European Patent Office
Prior art keywords
blades
tank
rotation
axis
constituted
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP88402797A
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English (en)
French (fr)
Other versions
EP0323767A1 (de
Inventor
Christian Helaine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goavec Sa Dite Ste
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Goavec Sa Dite Ste
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 Goavec Sa Dite Ste filed Critical Goavec Sa Dite Ste
Priority to AT88402797T priority Critical patent/ATE82155T1/de
Publication of EP0323767A1 publication Critical patent/EP0323767A1/de
Application granted granted Critical
Publication of EP0323767B1 publication Critical patent/EP0323767B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/84—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers rotating at different speeds or in opposite directions about the same axis

Definitions

  • the present invention relates to an appliance for cooking pasty or liquid products, optionally charged with solid particles or pieces, in particular for the food industry and in particular the preparation and complete cooking of sauces, prepared meals, soups, fruits, jams, etc ...
  • Solid particles can be lighter than liquid and, in this case, they tend to float. Particles can also be heavier than liquid and so they tend to settle.
  • the object of the present invention is to create a device for cooking fragile products, in particular intended for cooking food products in a pasty or liquid state, containing, where appropriate, solid particles or pieces which must be formed on the mechanical plan, using an installation that is as versatile as possible without provided that the means used are prohibitive.
  • the invention relates to a cooking appliance of the above type, consisting of a tank in the form of a surface of revolution provided with means for introducing and discharging the product to be treated, as well as air conditioning means. , stirring means constituted by the association of a first set of outer blades carried by a hoop mounted to rotate on the axis of the tank and consisting of at least one branch of shape corresponding to the inner shape of this and a second set of internal blades mounted on a shaft coaxial with the axis of the tank and rotating between the blades of the first set, and scraper means mounted on the hoop and integral in rotation with the first set of blades.
  • this device is characterized in that the air conditioning means are constituted by a set of turns of revolution respectively contained in a plane perpendicular to the axis of the tank on the outer periphery of which they are welded and which can be independently connected to a circulation circuit of a heat transfer fluid.
  • the hoop carrying the first set of outer blades and the shaft carrying the second set of inner blades are controlled in rotation independently of one another, the direction and the speed of rotation of each of these sets can be modified.
  • the outer blades and the inner blades each consist of two segments differently inclined planes with respect to the vertical and connected by a twisted part.
  • the scraping means are constituted by double squeegees mounted on the hoop applying against the inner wall of the tank and designed so as to be able to scrape this wall whatever the direction of rotation of the last.
  • the apparatus comprises means for homogenizing the product to be treated constituted by a propeller mounted on a shaft coaxial with the axis of the tank near the bottom thereof and carrying fingers pointing towards the bottom of the tank so as to describe a trajectory making it possible to move or agitate the solid particles or pieces gathered at this level.
  • the shaft and the propeller are controlled in rotation independently of the hoop carrying the first set of outer blades and the shaft carrying the second set of inner blades.
  • the agitator being formed of a first set and a second stirring set, one driven by the "outside", the other centrally, it is possible to create directions of circulation either partial sets, the most diverse of the liquid or the paste contained in the tank.
  • the circulation of products can be done from bottom to top or from top to bottom; it can also be done in a stratified way.
  • the internal or external blades favor the ascent or descent of products of higher or lower density while not creating, in the liquid, or the paste itself, a circulation disturbing this state.
  • the internal agitator or the external agitator can thus keep the various products entering the mixture "floating" while agitating them to homogenize the treatment temperature.
  • the air conditioning coils which surround the tank are coils of revolution and not helical coils
  • the slight deformation of the internal wall of the tank caused by the deformations resulting from the welding of the coils on the tank make it possible to cleanly scrape the internal surface of the tank, avoiding any gratinating effect: this avoids, on the one hand, the gratinating of the composition that one wants to use and the deposit of the gratin layer on the surface of the tank, a deposit which requires after the vigorous cleaning operation.
  • the squeegees can rotate indifferently and with the same efficiency in both directions of rotation.
  • the three-bladed propeller located near the bottom of the tank and carried by a shaft coaxial with the axis of the tank can rotate either at the speed of rotation of the internal blades, or independently of the internal blades if the device is fitted with a transmission making it possible to establish a different speed from that of the internal or external blades, or even a separate motor, the axes being all coaxial;
  • the speed of rotation of this three-bladed propeller at the bottom of the tank can be adapted to the nature of the products to be treated, for example to create a pushing effect of products of very specific type, to disperse them in the mass contained in the tank; if the direction of rotation of the propeller is opposite, the products will be brought back to the bottom of the tank.
  • the fingers which are preferably perpendicular to the corresponding surface of the tank, that is to say neither tilted forwards nor backwards, the products do not accumulate on these squeegees but are simply moved on the lower surface of the tank; these squeegees can be inclined relative to the axis of rotation of the system and in this case, they will tend, depending on the direction of rotation of the three-bladed propeller, to group together towards the axis the products they are agitating at the bottom of the tank, or to move these products away from the axis, like a stove stirring pieces of onions or other in a pan to brown them.
  • the blades of both the external agitator and the internal agitator are constituted by a blade of which a first part has a first orientation and a second part has a second orientation, the two parts being connected by a twisted zone .
  • This subdivision two-part blades increase the number of auxiliary product circulation currents inside the tank and thus protect fragile products or improve the efficiency of homogenization and temperature regulation .
  • the rotation independent of the inner, outer blades and possibly of the three-bladed propeller, with respect to each other, allows a very wide variety of circulation movements inside the tank, depending on whether the rotational speeds are identical, similar or different and this in the same direction or in a different direction or still stopped.
  • the invention relates to an appliance for cooking pasty or liquid products and in particular food products such as sauces, ready meals, soups, fruit, jam, etc.
  • These products may contain particles, or pieces which are solid and fragile and which, in general, must not be destroyed by cooking and by stirring the liquid during cooking.
  • the device consists of a tank 1 in the form of a surface of revolution.
  • This tank 1 externally comprises an air conditioning means 2 constituted by turns 2A, 2B ... of revolution connected to a supply nozzle 3 and to a discharge nozzle 4 (or vice versa depending on the direction of circulation of the heat transfer fluid) .
  • the turns 2A, 2B ... are turns of revolution and not helical turns. They are fixed to the wall of the tank 1 by welds.
  • the tank rests on the ground by feet 5, only one of which is partially shown. These feet have fixing lugs or leveling cylinders.
  • the tank 1 is provided with a cover 6 carrying the transmission 7, the motor or motors 8, 9 as well as the blades forming the agitators, as will be described in more detail below.
  • the cover 6 is also equipped with a cleaning head 10 and an access hatch 11. For lifting it, the cover has lugs 12 either for articulation or for attachment to a lifting means.
  • the seal between the cover 6 and the tank 1 is made by the flanges 13 of the tank and 14 of the cover.
  • the apparatus is equipped with an external agitator and an internal agitator formed respectively by a first and a second set of blades.
  • the first set of so-called “outer” blades 15 is carried by a hoop 16 with two diametrically opposed branches 16A and 16B, the upper end 16′A and 16′B is fixed to a hub 17 carried by the axis of the variator of the drive motor 8.
  • the arches 16A, 16B carry not only the blades 15 but also the bidirectional squeegees 18, 19 which are double squeegees applied against the inner wall of the tank 1; they can scrape whatever the direction of rotation of the arches 16 around the axis Y-Y.
  • the second set of blades called “inner blades” 20 is carried by the axis 21 coaxial with the geometric axis X-X.
  • the blades 20 are each placed between two blades 15 of the first set.
  • the device comprises a three-bladed propeller 22 carried by an axis 23 coaxial with the axis XX.
  • This axis can be the same as axis 21 of the second set of blades (inner blades). It may also be a different axis passing inside the axis 21 and which is not integral in rotation with the latter.
  • Each of the blades of the propeller 22 carries a finger 24 intended to describe a trajectory at the bottom of the tank 1 to move or agitate the solid particles located at this location.
  • FIGS. 3 and 4 show, in a more particular way, the detail of the first set of blades for FIG. 3 and the three-bladed propeller for FIG. 4.
  • the outer blades 15 and inner 20 are in fact each made up of two flat segments A, B ( Figure 3) connected by a twisted part C. This arrangement also appears in the view of a blade shown in Figure 6.
  • each of parts A and B makes with respect to the vertical direction is either the same as indicated in FIG. 4. This angle can also be different.
  • FIGS. 5A - 5F and 5′A - 5′F show the different possibilities of relative rotation in the hypothesis, however, where the three-bladed propeller at the bottom of the tank is integral in rotation with the second set of blades, that is to say say inner blades.
  • the three-bladed propeller can be driven independently of the inner and outer blades by a third transmission with, preferably, a third motor. This solution is not shown.
  • the outer blades rotate clockwise and the inner blades also, but at a different speed.
  • the direction of circulation of the mass during cooking is thus obtained as indicated by the arrows.
  • FIGS. 5B - 5B ′ correspond to an external agitation rotating in the anti-clockwise direction, the central agitation by the internal blades being done in the clockwise direction.
  • FIGS. 5F - 5′F correspond to external agitation in the clockwise direction and a central agitation in the anti-clockwise direction.
  • Figure 6 shows, as indicated above, an end view of an exemplary embodiment of a blade and Figure 7 an end view of a blade of the propeller.
  • the cooking appliance described above can be applied in particular to the cooking of extremely diverse food products, for example, to the cooking of soups, sauces, of fruit integrated in dairy products, fruit compotes, fruits jams.
  • This device can also be used for pharmaceutical preparations or for industrial baking.
  • the direction of movement of the blades taking account of their orientation makes it possible, for example, to keep heavy products of greater density than that of the liquid in flotation; by reversing the direction of rotation, it is also possible to lower products with a density lower than that of the liquid and which would tend to rise.
  • the adjustment of the speed of rotation thanks to the particular structure of the blade assemblies, makes it possible to process the mass of products in strat. This is important in the case of a cooking appliance having an extraction of the products prepared by the base of the appliance. Indeed, in this case, it is possible to create a cooking or a treatment by stratum or by zone, the zones descending gradually as they are extracted and the renewal in products to be mixed and treated being done from above.
  • the inner and outer blades rotate either in the same direction or in a different direction at identical or different speeds in absolute value
  • the offset of the internal and external blades in two planes or even step by step along their axis, can be advantageous in the case of the treatment of products in the form of frozen blocks to allow these blocks to pass between the blades and to descend gradually through tank.
  • the squeegees work in both directions so that the surface of the tank is treated regardless of the direction of rotation of the outer assembly of blades or the arches which carry them.
  • the inner surface of the tank is always cleaned, which improves the heat exchange coefficient and prevents the formation of a crust by gratinating effect.
  • the three-bladed propeller provided in the tank allows, thanks to its fingers, to circulate the solid products which are at the bottom of the tank such as witnesses or markers such as for example bacon, reasons of corinth etc ... which are maintained homogeneously by the agitation created by the three-bladed propeller.
  • the fingers carried by the blades of the three-bladed propeller are oriented so as to circulate from the inside to the outside or vice versa the products to be left in contact with the hot wall.
  • the fingers have a vertical active surface so as to prevent products from accumulating on these blades instead of staying in touch with the bottom.
  • the turns of circulation of the heat-transfer fluid are circular turns contained each time in a plane perpendicular to the axis of the tank and that they are not helical turns.
  • the bosses inevitably caused by the welding of the turns are therefore in planes perpendicular to the axis of rotation, which prevents, unlike the helical turns, that the scrapers are not lifted by the slight deformations created by the welds and do not clean the surface properly resulting in a browning effect and the formation of an insulating layer.
  • the combination of the various turns of circulation of the heat transfer fluid is done according to the temperature zones to be achieved either over the entire height of the tank, or over only a part of it. This also makes it possible, since the turns loop the periphery of the tank without it being necessary to create a circulation from top to bottom of the tank, to stop the circulation of the heat-transfer fluid at the turns situated clearly below the level of the liquid. in the tank to avoid overheating of the wall of the tank at the level of the liquid level or slightly above with, as a consequence, a gratinating effect.
  • the device described above can be cleaned in a closed circuit using cleaning stations programmed which circulate the different cleaning and drying fluids during the desired periods defined by the program.
  • the device makes it possible to work under a very high vacuum to concentrate the products during manufacture. It can also withstand sterile air or nitrogen pressure of the order of 3.8 bar, for example, to empty the device without damaging the indicators and without having used pumps.
  • the apparatus can be completed by a deflocculating turbine fixed to the bottom of the tank and making it possible to dissolve powders such as flour, starch ...

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)

Claims (6)

  1. Vorrichtung zur Zubereitung und zum Kochen von teigigen oder flüssigen Nahrungsmitteln, die gegebenenfalls mit festen Partikeln oder Stücken durchsetzt sind,
       bestehend aus einem Kessel in Form einer Rotationsfläche mit Organen zur Zufuhr und zur Entnahme des zu behandelnden Produkts, mit Mitteln (2) zur Temperierung, mit Umwälzmitteln, die aus einer ersten Gruppe von (äusseren) Flügeln (15), die von einem Bügel (16) getragen sind, der um die Achse (X-X) des Kessels drehbar ist und aus mindestens einem Arm (16A,16B) einer der Innengestalt des Kessels entsprechenden Form besteht, und aus einer zweiten Gruppe von (inneren) Flügeln (20) bestehen, die auf einer zur Achse (X-X) des Kessels koaxialen Welle (21) befestigt sind und sich zwischen den Flügeln (15) der ersten Gruppe drehen, und mit Schabermitteln (18,19), die auf dem Bügel befestigt und mit der ersten Gruppe von Flügeln drehverbunden sind,
       dadurch gekennzeichnet,
       daß die Temperiermittel (2) aus einer Gesamtheit von Umfangswindungen (2A,2B,2C) bestehen, die jeweils in einer zur Achse des Kessels (1) senkrechten Ebene auf der Außenseite des Kessels angeschweißt oder angelötet und unabhängig voneinander mit einem Kreislauf von Wärmeträgerflüssigkeit verbindbar sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Bügel (16), der die erste Gruppe der äußeren Flügel (15) trägt, und die Welle (21), die die zweite Gruppe der inneren Flügel (20) trägt, unabhängig voneinander drehangetrieben sind, wobei die Drehgeschwindigkeit der beiden Gruppen veränderbar ist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die äußeren Flügel (15) und die inneren Flügel (20) jeweils aus zwei ebenen Segmenten (A,B) bestehen, die gegenüber der Vertikalen unterschiedlich geneigt und durch ein verwundenes Teil (C) verbunden sind.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Schabermittel aus Doppelrakeln (18,19) bestehen, die an dem Bügel (16) befestigt sind, sich gegen die Innenwandung des Kessels (1) anlegen und so ausgebildet sind, daß sie diese Wandung bei jeder Drehrichtung abrakeln können.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß er Mittel zur Homogenisierung des zu behandelnden Produktes umfaßt, die aus einer auf einer zur Achse des Kessels (1) koaxialen Welle (23)) in der Nähe des Kesselbodens befestigten Schraube (22) bestehen, die Finger (24) umfaßt, die derart gegen den Boden des Kessels gerichtet sind, daß sie eine Kurve beschreiben, die es gestattet, die in dieser Höhe sich ansammelnden festen Partikel oder Stücke zu verlagern oder umzurühren.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Welle (23) und die Schraube (22) unabhängig von dem die erste Gruppe der äußeren Flügel (15) tragenden Bügel (16) und von der die zweite Gruppe der inneren Flügel (20) tragenden Welle (21) angetrieben sind.
EP88402797A 1988-01-04 1988-11-07 Kochvorrichtung für teigige Produkte oder Flüssigkeiten Expired - Lifetime EP0323767B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88402797T ATE82155T1 (de) 1988-01-04 1988-11-07 Kochvorrichtung fuer teigige produkte oder fluessigkeiten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8800010A FR2627669B1 (fr) 1988-01-04 1988-01-04 Appareil de cuisson de produits pateux ou liquides
FR8800010 1988-01-04

Publications (2)

Publication Number Publication Date
EP0323767A1 EP0323767A1 (de) 1989-07-12
EP0323767B1 true EP0323767B1 (de) 1992-11-11

Family

ID=9362056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402797A Expired - Lifetime EP0323767B1 (de) 1988-01-04 1988-11-07 Kochvorrichtung für teigige Produkte oder Flüssigkeiten

Country Status (4)

Country Link
EP (1) EP0323767B1 (de)
AT (1) ATE82155T1 (de)
DE (1) DE3875944D1 (de)
FR (1) FR2627669B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3126188A1 (fr) * 2021-08-19 2023-02-24 Vmi Dispositif et ensemble de mélange d’une préparation boulangère, pâtissière ou cosmétique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB214446A (en) * 1923-04-10 1924-04-24 William Walter Veitch Improvements in or relating to mixing apparatus
US2315251A (en) * 1941-06-25 1943-03-30 Edwin G Eppenbach Combination mixer
FR1099548A (fr) * 1954-10-29 1955-09-06 Separation Sa Franc Pour La Perfectionnements aux procédés et aux dispositifs pour mélanger, émulsifier, etc.
CH428536A (de) * 1965-03-11 1967-01-15 Kalich Rudolf Verfahren und Vorrichtung zum Herstellen von Bindemittelgemischen, und Anwendung des Verfahrens
DE1933493A1 (de) * 1969-07-02 1971-01-21 Beurel Guy Lucien Marius Reaktionsbehaelter fuer chemische Reaktionen
DE2318949C2 (de) * 1973-04-14 1975-06-05 Hoechst Ag, 6000 Frankfurt Kombinierte Misch- und Homogenisiermaschine
DE2643560C2 (de) * 1976-09-28 1984-08-09 Fa. Erwin Stelzer, 3530 Warburg Rührvorrichtung
GB1554194A (en) * 1976-10-22 1979-10-17 Doom L Mixing apparatus
DE3218637A1 (de) * 1982-05-18 1983-11-24 Haagen & Rinau Mischvorrichtung
GB2158727B (en) * 1984-05-03 1987-08-05 Chem Plant Stainless Ltd Mixing apparatus

Also Published As

Publication number Publication date
EP0323767A1 (de) 1989-07-12
FR2627669B1 (fr) 1991-05-17
DE3875944D1 (de) 1992-12-17
ATE82155T1 (de) 1992-11-15
FR2627669A1 (fr) 1989-09-01

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