EP0995586B1 - Dewatering and compacting assembly for food waste - Google Patents

Dewatering and compacting assembly for food waste Download PDF

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Publication number
EP0995586B1
EP0995586B1 EP99402478A EP99402478A EP0995586B1 EP 0995586 B1 EP0995586 B1 EP 0995586B1 EP 99402478 A EP99402478 A EP 99402478A EP 99402478 A EP99402478 A EP 99402478A EP 0995586 B1 EP0995586 B1 EP 0995586B1
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EP
European Patent Office
Prior art keywords
screw
assembly according
sieve
module
casing
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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
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EP99402478A
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German (de)
French (fr)
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EP0995586A1 (en
Inventor
Franck Saponara
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BONNET CIDELCEM GRANDE CUISINE
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BONNET CIDELCEM GRANDE CUISINE
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Publication of EP0995586A1 publication Critical patent/EP0995586A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/26—Permeable casings or strainers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/128—Vertical or inclined screw presses

Definitions

  • the present invention relates to a set of spin and compaction of grinding food waste, if applicable with the addition of water.
  • the critical point of cleaning is at the level of the screw which retains on the order of 1 to 2 kgs of waste at the end of operation, a important part by adherence on the turns of the screw.
  • a set of spinning and compacting waste according to the preamble of claim 1 is described in EP-A-0 631 819.
  • the present invention relates to a set of spin and compacting food waste with a cleaning screw system simple and easy.
  • the spin and compaction assembly according to the invention for food waste which has been crushed includes a screw which is rotatably mounted in a screen inside a housing and which, in a substantially vertical working position, is rotated around its axis to receive waste at the bottom, convey them from bottom to top, squeezing them out and rejecting them at the top in the wrung state.
  • the screw, the housing and the sieve are combined into a module mounted movable between the substantially vertical working position and a cleaning position substantially horizontal.
  • the housing is opening so as to allow access to the screw in the cleaning position.
  • the system for rotating the screw is stationary and located at the lower end of the screw being working position.
  • the screw and the system for rotating the screw preferably have automatic coupling and disconnection designed to ensure coupling at the end of the movement of the screw / housing / sieve module from the cleaning position to the working position and uncoupling at the beginning of the movement of the module from the working position to the cleaning position.
  • Means of coupling and uncoupling advantageously comprise male and female interlocking parts complementary shapes.
  • the mounting means and displacement of the screw / housing / screen module are designed to impose an upward translational motion followed by a pivoting movement when moving from the working position to the cleaning position, and a pivoting movement followed by a axial translation movement downwards when passing the position cleaning at the working position.
  • the housing of the screw includes a bowl-shaped stationary bottom section that does not part of the movable module and which recovers the water of spin, and a movable upper section which is part of said module, said section upper housing being open.
  • This opening upper section of the housing is advantageously divided parallel to the axis of the screw in a lower part forming a trough which, when the module is in the cleaning position, surrounds the screw at the bottom, and at a high part forming a lid which, when the module is in the cleaning position, covers the screw at the top and closes the trough portion.
  • the lid portion is hinged to the trough portion on one of its longitudinal edges and can be secured to the trough portion, with a view to closing the housing, by quick closing means, for example of the toggle type.
  • the sieve can be advantageously divided parallel to the axis of the two-part screw, one of which can be opened, in the cleaning, to give access to the screw, after opening the housing.
  • the lid portion may comprise means for keeping the sieve closed around the screw in the closed position crankcase.
  • the spin and compaction assembly as illustrated by the drawings is integrated into a waste treatment facility foodstuffs which are recognized in Figures 1 to 3 the frame 1 and the grinder or pulper 2 which receives the food waste to be treated.
  • the resulting pulp grinding waste is sent out of the mill 2 directly to a set of 3 spinning and compaction.
  • the assembly 3 essentially comprises a screw / sump / sieve module 4 comprising a screw 5, a housing 6 and a screen 7, a drive system 8 for the screw 5, whose output axis 8a is slightly inclined, for example 15 °, compared to the vertical, a bowl 9 of water recovery of spin, which overcomes the drive system 8, and a pump 10 of recycling the drain water recovered in the bowl 9.
  • the screw / caster / sieve module 4 is mounted on the frame 1 by through a system 11 for support and guidance.
  • the support and guidance system 11 of module 4 is designed to module 4 can be brought from a working position according to FIGS. 1 and 4 in which, the axis of the screw 5 being aligned with the axis of 8a output of the drive system 8, the screw 5 is lowered, so that the lower end of the screw 5 is engaged with the output of the training system 8 (see Figure 4), through a position intermediate according to FIGS. 2 and 5, in which the axis of the screw 5 is is always aligned with the output axis 8a of the drive system 8, but the screw 5 is raised so that the lower end of the screw 5 is released from the output of the drive system 8, at a position according to FIG. 3, by tilting the module 4 by 90 ° by relative to the intermediate position.
  • the system 11 includes a slide 12 on a console 13 secured to the bowl 9, a slide 14 on a console 15 which is integral with the housing 6 and is articulated by an axis 16 on a guide 17 parallel to the axis 8a, a lever 18 for locking in the position of work and a gas cylinder 19 which assists the movements of module 4 in balancing the mass of the latter, as is well known, by example, for rags or hoods of motor vehicles.
  • the drive end of the screw 5 is not surrounded by the sieve 7.
  • it In working position according to Figure 4, it is in a housing part 20 which is located between the bottom of the bowl 9 and the drive system 8, and in which opens the tubing 21 for supplying pulp from of the crusher 2.
  • the output of the drive system 8 is constituted by a shaft end 22 extended by a male part or coupling head 23 polygonal, for example hexagonal.
  • the screw 5 has at its end of training, a coupling part 24 of corresponding shape, in this case a polygonal female part.
  • both coupling parts 23 and 24 are interlocked into each other, while that in the position according to Figures 2 and 5 which is the position intermediate between the working position and the cleaning position, the coupling parts 23 and 24 are disembodied, due to the displacement of the module 4, therefore of the screw 5, in translation upwards with respect to the driving system 8.
  • the module 4 comprises a casing 6 of general shape parallelepiped, of length less than the length of the screw 5 and composed of a housing base 25 and a cover 26.
  • the cover 26 is articulated on the housing bottom 25 on one of its longitudinal edges by hinges 27.
  • the housing base 25 door closure systems 28 of the latch-type cooperating with hooks 29 on the lid 26.
  • the housing bottom 25 has internally, on both sides longitudinal, supports 31, 32 for the sieve 7.
  • the sieve 7, shaped cylindrical, is divided into two halves of sieves 33, 34 semi-cylindrical.
  • the bottom sieve half 33 rests on the supports 31 and 32, while that the upper sieve half 34 is articulated by a hinge 35 on the support 31, on the hinge side 27 of the lid 26.
  • the latter comprises, on its lower face, a holding tab 36 which, in position closed lid 26, blocks the upper half of the screen 34 on the lower sieve half 33, as shown in FIG. thus keep the sieve 7 closed around the screw 5.
  • the screw / sump / sieve module 4 could have, for example, a vertical working position and a horizontal cleaning position.
  • the inclination of the module 4 relative to the vertical position working position and relative to the horizontal in the cleaning position the advantage of facilitating on the one hand the flow of the wring water into the bowl 9, in working position, and on the other hand the flow of water from cleaning, in cleaning position according to Figure 3, by the chute 39 provided at the free end of module 4 for the purpose of discharging waste dewatered and compacted in working position according to Figure 1.
  • the coupling parts 23, 24 between the screw 5 and its system 8 could be replaced by different means assuming the same function, namely a coupling and a automatic disconnection, by an axial translation movement of the screw.
  • module 4 from the working position to the position of cleaning, and conversely, by a translation movement and a pivoting movement of ⁇ 90 °, does not require excessive forces, especially because of the assistance of these movements by the jack 19, this even when the screw 5 is relatively heavy, as is the case for a metal screw.

Abstract

The refuse compactor has a screw auger freely mounted for rotation in a screen inside housing. The screw (5), casing (6) and screen (7) are mounted in a module which is movable between a vertical working position and a horizontal cleaning position. The housing is openable to allow access to the screw.

Description

La présente invention se rapporte à un ensemble d'essorage et de compactage de déchets alimentaires ayant subi un broyage, le cas échéant avec addition d'eau.The present invention relates to a set of spin and compaction of grinding food waste, if applicable with the addition of water.

Dans le cadre des cuisines professionnelles, un problème important se pose en ce qui concerne le traitement des déchets alimentaires. Le volume de ces déchets et leur manutention impliquent des surfaces de stockage importantes et des coûts élevés. Ces déchets peuvent être issus aussi bien de "l'amont", c'est-à-dire de la préparation des aliments (légumerie, préparation des viandes, etc.) que de "l'aval", après consommation par le client, en particulier au retour des plateaux-repas lorsqu'il s'agit de restauration self-service. Ces problèmes se rencontrent aussi bien dans la restauration commerciale que dans les collectivités (milieu hospitalier, milieu scolaire, armée, etc.).In the context of professional kitchens, a problem important issue with regard to the treatment of waste food. The volume of these wastes and their handling involve large storage areas and high costs. This waste can come from "upstream", that is to say from the preparation of foodstuffs (vegetable, meat preparation, etc.) than from the "downstream", after consumption by the customer, especially when returning meal trays when it comes to self-service catering. These problems meet both in commercial catering and in communities (hospital, school, army, etc.).

Des installations ont été créées pour améliorer ce traitement des déchets alimentaires. On connaít ainsi un système mis au point par la demanderesse et commercialisé sous la dénomination "MT COMPACT". Ce système met en oeuvre un procédé de traitement des déchets par voie liquide (dit "TDL") qui consiste :

  • à broyer les déchets (déchets alimentaires auxquels s'ajoutent parfois quelques éléments autres tels que serviettes en papier, pots et couverts en plastique, etc.) au moyen d'un broyeur également appelé pulpeur;
  • à transférer les déchets broyés vers une vis d'essorage qui peut être associée directement au broyeur ou, lorsque la configuration des lieux le permet, être située à distance du broyeur dans un local spécial à déchets (local à poubelles); dans ce dernier cas, le transfert entre le broyeur et la vis est assuré par une pompe, de l'eau claire étant amenée dans le broyeur ou dans une cuvette de récupération de déchets avant broyage; pour réaliser des économies d'eau claire, une partie de l'eau d'essorage, en sortie de vis, peut être réinjectée au broyeur ou à la cuvette; et
  • à essorer et compacter les déchets par la vis, les déchets essorés et compactés étant rejetés par une goulotte; d'une manière générale, 80% au moins de l'eau peut être ainsi éliminée, les déchets sont donc presque secs et leur volume est diminué dans un rapport de 6:1.
Facilities have been created to improve this treatment of food waste. We thus know a system developed by the plaintiff and marketed under the name "MT COMPACT". This system implements a liquid waste treatment process (called "TDL") which consists of:
  • grinding the waste (food waste to which are sometimes added some other elements such as paper towels, pots and plastic cutlery, etc.) by means of a mill also called pulper;
  • to transfer the crushed waste to a wiper screw which can be directly associated with the crusher or, where the configuration of the site allows it, be located away from the crusher in a special waste area (garbage room); in the latter case, the transfer between the mill and the screw is provided by a pump, clear water being fed into the mill or in a waste recovery bowl before grinding; to achieve savings of clear water, a portion of the spin water at the screw outlet, can be returned to the mill or the bowl; and
  • spinning and compacting the waste by the screw, the dewatered and compacted waste being discharged by a chute; in general, at least 80% of the water can be removed and the waste is almost dry and its volume is reduced in a ratio of 6: 1.

Le problème du nettoyage d'un tel système est important, compte tenu de la nature des déchets, d'autant plus que certains établissements (en particulier les cantines scolaires) ne travaillent pas en permanence (les week-end, les congés, etc.). En effet, les résidus de déchets qui subsistent dans le système entraínent un développement bactérien qui est inadmissible pour l'hygiène et également intolérable du point de vue odeur. A ce sujet, le point critique du nettoyage se situe au niveau de la vis qui retient de l'ordre de 1 à 2 kgs de déchets en fin de fonctionnement, une partie importante par adhérence sur les spires de la vis.The problem of cleaning up such a system is important, given the nature of the waste, especially since certain establishments (especially school canteens) do not work permanently (weekends, holidays, etc.). Indeed, waste residues that subsist in the system result in bacterial growth that is unacceptable for hygiene and also intolerable from the point of view odour. In this regard, the critical point of cleaning is at the level of the screw which retains on the order of 1 to 2 kgs of waste at the end of operation, a important part by adherence on the turns of the screw.

Les moyens utilisés jusqu'à présent pour tenter de remédier à ce problème consiste :

  • dans l'injection de produits bactériostatiques pendant le traitement, afin d'éviter toute prolifération bactérienne,
  • dans le démontage de la vis pour nettoyage de cette dernière en-dehors du système; dans ce cas, il est nécessaire d'ouvrir le carter de la vis et de déposer cette dernière. Cette opération est laborieuse et pénible et il est généralement nécessaire de réaliser la vis en matière plastique afin d'en diminuer le poids, cela en détriment de sa robustesse.
The means used so far to try to remedy this problem consists of:
  • in the injection of bacteriostatic products during the treatment, in order to avoid any bacterial proliferation,
  • in disassembly of the screw for cleaning the screw outside the system; in this case, it is necessary to open the housing of the screw and to deposit it. This operation is laborious and painful and it is generally necessary to make the plastic screw to reduce the weight, it detracts from its robustness.

Un ensemble d'essorage et de compactage de déchets selon le préambule de la revendication 1 est décrit dans le brevet EP-A-0 631 819.A set of spinning and compacting waste according to the preamble of claim 1 is described in EP-A-0 631 819.

La présente invention vise un ensemble d'essorage et de compactage de déchets alimentaires avec un système de vis à nettoyage simple et aisé.The present invention relates to a set of spin and compacting food waste with a cleaning screw system simple and easy.

L'ensemble d'essorage et de compactage suivant l'invention pour des déchets alimentaires ayant subi un broyage, comprend une vis qui est montée mobile en rotation dans un tamis à l'intérieur d'un carter et qui, en position de travail sensiblement verticale, est entraínée en rotation autour de son axe pour recevoir les déchets en partie basse, les véhiculer de bas en haut en les essorant et les rejeter en partie haute à l'état essoré. La vis, le carter et le tamis sont réunis en un module monté déplaçable entre la position de travail sensiblement verticale et une position de nettoyage sensiblement horizontale. Le carter est ouvrant de manière à permettre l'accès à la vis en position de nettoyage.The spin and compaction assembly according to the invention for food waste which has been crushed, includes a screw which is rotatably mounted in a screen inside a housing and which, in a substantially vertical working position, is rotated around its axis to receive waste at the bottom, convey them from bottom to top, squeezing them out and rejecting them at the top in the wrung state. The screw, the housing and the sieve are combined into a module mounted movable between the substantially vertical working position and a cleaning position substantially horizontal. The housing is opening so as to allow access to the screw in the cleaning position.

De préférence, le système d'entraínement en rotation de la vis est stationnaire et situé à l'extrémité inférieure de la vis se trouvant en position de travail.Preferably, the system for rotating the screw is stationary and located at the lower end of the screw being working position.

La vis et le système d'entraínement en rotation de la vis présentent de préférence des moyens automatiques d'accouplement et de désaccouplement conçus pour assurer un accouplement à la fin du mouvement du module vis/carter/tamis de la position de nettoyage à la position de travail et un désaccouplement au début du mouvement du module de la position de travail à la position de nettoyage.The screw and the system for rotating the screw preferably have automatic coupling and disconnection designed to ensure coupling at the end of the movement of the screw / housing / sieve module from the cleaning position to the working position and uncoupling at the beginning of the movement of the module from the working position to the cleaning position.

Les moyens d'accouplement et de désaccouplement comprennent avantageusement des parties d'emboítement mâle et femelle de formes complémentaires.Means of coupling and uncoupling advantageously comprise male and female interlocking parts complementary shapes.

Suivant un mode de réalisation préféré, les moyens de montage et de déplacement du module vis/carter/tamis sont conçus de manière à imposer un mouvement de translation axiale vers le haut suivi d'un mouvement de pivotement lors du passage de la position de travail à la position de nettoyage, et un mouvement de pivotement suivi d'un mouvement de translation axiale vers le bas lors du passage de la position de nettoyage à la position de travail.According to a preferred embodiment, the mounting means and displacement of the screw / housing / screen module are designed to impose an upward translational motion followed by a pivoting movement when moving from the working position to the cleaning position, and a pivoting movement followed by a axial translation movement downwards when passing the position cleaning at the working position.

Suivant un mode de réalisation préféré, le carter de la vis comprend une section inférieure stationnaire en forme de bol qui ne fait pas partie du module déplaçable et qui récupère l'eau d'essorage, et une section supérieure mobile qui fait partie dudit module, ladite section supérieure du carter étant ouvrante.According to a preferred embodiment, the housing of the screw includes a bowl-shaped stationary bottom section that does not part of the movable module and which recovers the water of spin, and a movable upper section which is part of said module, said section upper housing being open.

Cette section supérieure ouvrante du carter est avantageusement divisée parallèlement à l'axe de la vis en une partie basse formant auge qui, lorsque le module se trouve en position de nettoyage, entoure la vis dans le bas, et en une partie haute formant couvercle qui, lorsque le module se trouve en position de nettoyage, recouvre la vis dans le haut et ferme la partie formant auge.This opening upper section of the housing is advantageously divided parallel to the axis of the screw in a lower part forming a trough which, when the module is in the cleaning position, surrounds the screw at the bottom, and at a high part forming a lid which, when the module is in the cleaning position, covers the screw at the top and closes the trough portion.

De préférence, la partie formant couvercle est articulée sur la partie formant auge sur l'un de ses bords longitudinaux et peut être solidarisée avec la partie formant auge, en vue de la fermeture du carter, par des moyens de fermeture rapide, par exemple du type à grenouillère.Preferably, the lid portion is hinged to the trough portion on one of its longitudinal edges and can be secured to the trough portion, with a view to closing the housing, by quick closing means, for example of the toggle type.

Le tamis peut être avantageusement divisé parallèlement à l'axe de la vis en deux parties dont l'une peut être ouverte, en position de nettoyage, pour donner accès à la vis, après ouverture du carter.The sieve can be advantageously divided parallel to the axis of the two-part screw, one of which can be opened, in the cleaning, to give access to the screw, after opening the housing.

De préférence, la partie formant couvercle peut comprendre des moyens pour maintenir le tamis fermé autour de la vis en position fermée du carter.Preferably, the lid portion may comprise means for keeping the sieve closed around the screw in the closed position crankcase.

En se référant aux dessins annexés, on va décrire ci-après plus en détail un mode de réalisation illustratif et non limitatif d'un ensemble d'essorage et de compactage conforme à l'invention; sur les dessins :

  • la figure 1 est une vue en élévation latérale de l'ensemble d'essorage et de compactage, en position de travail;
  • la figure 2 est une vue analogue à celle de la figure 1, dans une position intermédiaire;
  • la figure 3 est une vue analogue à celle des figures 1 et 2, montrant l'ensemble en position de nettoyage;
  • la figure 4 est une vue partielle selon la figure 1, à plus grande échelle, partiellement en coupe, montrant l'accouplement de la vis avec son système d'entraínement;
  • la figure 5 est une vue analogue à celle de la figure 4, montrant la vis désaccouplée de son système d'entraínement, dans la position intermédiaire selon la figure 2;
  • les figures 6, 7 et 8 sont des vues schématiques en coupe du module vis/carter/tamis, en position fermée et en position ouverte.
    • Referring to the accompanying drawings, will be described below in more detail an illustrative embodiment and not limiting a set of spinning and compaction according to the invention; on the drawings:
  • Figure 1 is a side elevational view of the spin and compaction assembly, in working position;
  • Figure 2 is a view similar to that of Figure 1, in an intermediate position;
  • Figure 3 is a view similar to that of Figures 1 and 2, showing the assembly in the cleaning position;
  • Figure 4 is a partial view according to Figure 1, on a larger scale, partially in section, showing the coupling of the screw with its drive system;
  • Figure 5 is a view similar to that of Figure 4, showing the uncoupled screw of its drive system, in the intermediate position according to Figure 2;
  • Figures 6, 7 and 8 are schematic sectional views of the screw / casing / sieve module, in the closed position and in the open position.

    • L'ensemble d'essorage et de compactage tel qu'illustré par les dessins, est intégré à une installation de traitement de déchets alimentaires dont on reconnaít sur les figures 1 à 3 le bâti 1 et le broyeur ou pulpeur 2 qui reçoit les déchets alimentaires à traiter. La pulpe résultant du broyage des déchets est envoyée en sortie du broyeur 2 directement à un ensemble 3 d'essorage et de compactage.The spin and compaction assembly as illustrated by the drawings, is integrated into a waste treatment facility foodstuffs which are recognized in Figures 1 to 3 the frame 1 and the grinder or pulper 2 which receives the food waste to be treated. The resulting pulp grinding waste is sent out of the mill 2 directly to a set of 3 spinning and compaction.

    Tel que cela apparaít sur la figure 3 et surtout sur les figures 4 et 5, l'ensemble 3 comprend essentiellement un module vis/carter/tamis 4 comprenant une vis 5, un carter 6 et un tamis 7, un système d'entraínement 8 pour la vis 5, dont l'axe de sortie 8a est légèrement incliné, par exemple de 15°, par rapport à la verticale, un bol 9 de récupération de l'eau d'essorage, qui surmonte le système d'entraínement 8, et une pompe 10 de recyclage de l'eau d'essorage récupérée dans le bol 9.As it appears in FIG. 3 and especially in FIGS. 5, the assembly 3 essentially comprises a screw / sump / sieve module 4 comprising a screw 5, a housing 6 and a screen 7, a drive system 8 for the screw 5, whose output axis 8a is slightly inclined, for example 15 °, compared to the vertical, a bowl 9 of water recovery of spin, which overcomes the drive system 8, and a pump 10 of recycling the drain water recovered in the bowl 9.

    Tandis que le broyeur 2, le système d'entraínement 8, le bol 9 et la pompe de recyclage 10 sont montés en position stationnaire sur le bâti 1, le module vis/carter/tamis 4 est monté mobile sur le bâti 1 par l'intermédiaire d'un système 11 de support et de guidage.While the mill 2, the drive system 8, the bowl 9 and the recycling pump 10 are mounted in stationary position on the frame 1, the screw / caster / sieve module 4 is mounted on the frame 1 by through a system 11 for support and guidance.

    Le système 11 de support et de guidage du module 4 est conçu de manière que le module 4 puisse être amené, d'une position de travail selon les figures 1 et 4 dans laquelle, l'axe de la vis 5 étant aligné avec l'axe de sortie 8a du système d'entraínement 8, la vis 5 est abaissée, de manière que l'extrémité inférieure de la vis 5 se trouve en prise avec la sortie du système d'entraínement 8 (voir figure 4), en passant par une position intermédiaire selon les figures 2 et 5, dans laquelle l'axe de la vis 5 se trouve toujours aligné avec l'axe de sortie 8a du système d'entraínement 8, mais la vis 5 est soulevée de manière que l'extrémité inférieure de la vis 5 se trouve dégagée de la sortie du système d'entraínement 8, à une position de nettoyage selon la figure 3, par basculement du module 4 de 90° par rapport à la position intermédiaire.The support and guidance system 11 of module 4 is designed to module 4 can be brought from a working position according to FIGS. 1 and 4 in which, the axis of the screw 5 being aligned with the axis of 8a output of the drive system 8, the screw 5 is lowered, so that the lower end of the screw 5 is engaged with the output of the training system 8 (see Figure 4), through a position intermediate according to FIGS. 2 and 5, in which the axis of the screw 5 is is always aligned with the output axis 8a of the drive system 8, but the screw 5 is raised so that the lower end of the screw 5 is released from the output of the drive system 8, at a position according to FIG. 3, by tilting the module 4 by 90 ° by relative to the intermediate position.

    Il ressort des figures 1 à 3 que le système 11 comprend une coulisse 12 sur une console 13 solidaire du bol 9, un coulisseau 14 sur une console 15 qui est solidaire du carter 6 et est articulée par un axe 16 sur un guide 17 parallèle à l'axe 8a, un levier 18 de verrouillage en position de travail et un vérin à gaz 19 qui assiste les mouvements du module 4 en équilibrant la masse de ce dernier, comme cela est bien connu, par exemple, pour les haillons ou capots de véhicules automobiles.It is apparent from Figures 1 to 3 that the system 11 includes a slide 12 on a console 13 secured to the bowl 9, a slide 14 on a console 15 which is integral with the housing 6 and is articulated by an axis 16 on a guide 17 parallel to the axis 8a, a lever 18 for locking in the position of work and a gas cylinder 19 which assists the movements of module 4 in balancing the mass of the latter, as is well known, by example, for rags or hoods of motor vehicles.

    Comme le montrent plus particulièrement les figures 4 et 5, l'extrémité d'entraínement de la vis 5 n'est pas entourée par le tamis 7. En position de travail selon la figure 4, elle se trouve dans une partie de carter 20 qui est située entre le fond du bol 9 et le système d'entraínement 8, et dans laquelle débouche la tubulure 21 d'alimentation en pulpe provenant du broyeur 2. La sortie du système d'entraínement 8 est constituée par un bout d'arbre 22 prolongé par une partie mâle ou tête d'accouplement 23 polygonale, par exemple hexagonale. La vis 5 présente, à son extrémité d'entraínement, une partie 24 d'accouplement de forme correspondante, en l'occurence une partie femelle polygonale.As shown more particularly in FIGS. 4 and 5, the drive end of the screw 5 is not surrounded by the sieve 7. In working position according to Figure 4, it is in a housing part 20 which is located between the bottom of the bowl 9 and the drive system 8, and in which opens the tubing 21 for supplying pulp from of the crusher 2. The output of the drive system 8 is constituted by a shaft end 22 extended by a male part or coupling head 23 polygonal, for example hexagonal. The screw 5 has at its end of training, a coupling part 24 of corresponding shape, in this case a polygonal female part.

    Dans la position de travail selon les figures 1 et 4, les deux parties d'accouplement 23 et 24 sont emboítées l'une dans l'autre, tandis que dans la position selon les figures 2 et 5 qui est la position intermédiaire entre la position de travail et la position de nettoyage, les parties d'accouplement 23 et 24 sont désemboítées, du fait du déplacement du module 4, donc de la vis 5, en translation vers le haut par rapport au système d'entraínement 8.In the working position according to Figures 1 and 4, both coupling parts 23 and 24 are interlocked into each other, while that in the position according to Figures 2 and 5 which is the position intermediate between the working position and the cleaning position, the coupling parts 23 and 24 are disembodied, due to the displacement of the module 4, therefore of the screw 5, in translation upwards with respect to the driving system 8.

    En se référant aux figures 6 à 8, on va décrire ci-après plus en détail la structure du module vis/carter/tamis 4.Referring to FIGS. 6 to 8, the following will be described more in detail the structure of the screw / sump / sieve module 4.

    Le module 4 comprend un carter 6 de forme générale parallélépipédique, de longueur inférieure à la longueur de la vis 5 et composé d'un fond de carter 25 et d'un couvercle 26. Le couvercle 26 est articulé sur le fond de carter 25 sur l'un de ses bords longitudinaux par des charnières 27. Sur le côté opposé aux charnières 27, le fond de carter 25 porte des systèmes de fermeture rapide 28 du type à grenouillère coopérant avec des crochets 29 sur le couvercle 26.The module 4 comprises a casing 6 of general shape parallelepiped, of length less than the length of the screw 5 and composed of a housing base 25 and a cover 26. The cover 26 is articulated on the housing bottom 25 on one of its longitudinal edges by hinges 27. On the side opposite the hinges 27, the housing base 25 door closure systems 28 of the latch-type cooperating with hooks 29 on the lid 26.

    Le fond de carter 25 comporte intérieurement, sur ses deux côtés longitudinaux, des supports 31, 32 pour le tamis 7. Le tamis 7, de forme cylindrique, est divisé en deux moitiés de tamis 33, 34 demi-cylindriques. La moitié de tamis inférieure 33 repose sur les supports 31 et 32, tandis que la moitié de tamis supérieure 34 est articulée par une charnière 35 sur le support 31, du côté des charnières 27 du couvercle 26. Ce dernier comporte, sur sa face inférieure, une patte de maintien 36 qui, en position fermée du couvercle 26, bloque la moitié de tamis supérieure 34 sur la moitié de tamis inférieure 33, comme représenté sur la figure 6, pour maintenir ainsi le tamis 7 fermé autour de la vis 5.The housing bottom 25 has internally, on both sides longitudinal, supports 31, 32 for the sieve 7. The sieve 7, shaped cylindrical, is divided into two halves of sieves 33, 34 semi-cylindrical. The bottom sieve half 33 rests on the supports 31 and 32, while that the upper sieve half 34 is articulated by a hinge 35 on the support 31, on the hinge side 27 of the lid 26. The latter comprises, on its lower face, a holding tab 36 which, in position closed lid 26, blocks the upper half of the screen 34 on the lower sieve half 33, as shown in FIG. thus keep the sieve 7 closed around the screw 5.

    Pour accéder à la vis 5, en position de nettoyage, il suffit ainsi d'ouvrir le couvercle 26 par pivotement autour des charnières 27 et de faire pivoter vers le haut la moitié de tamis supérieure 34 autour de la charnière 35, selon la figure 7. Il est alors possible, soit de nettoyer la vis 5 (et le tamis 7) dans le carter 6, par exemple au jet d'eau, soit de retirer la vis 5 pour la nettoyer à part.To access the screw 5, in the cleaning position, it is sufficient to open the lid 26 by pivoting around the hinges 27 and rotate up half of upper sieve 34 around the hinge 35, according to Figure 7. It is then possible to clean the screw 5 (and the sieve 7) in the housing 6, for example by water jet, or to remove the screw 5 to clean it apart.

    Il ressort de la figure 8 que les deux moitiés de tamis 33, 34 sont montées sur les supports 31, 32 à l'aide de deux jeux de vis 37, 38. Il suffit donc, en position de nettoyage, le couvercle 26 étant ouvert, de retirer les vis 37, 38 pour pouvoir démonter complètement les deux moitiés de tamis 33, 34 en vue de leur nettoyage en dehors du carter 6.It can be seen from FIG. 8 that the two screen halves 33, 34 are mounted on the supports 31, 32 by means of two sets of screws 37, 38. therefore, in the cleaning position, the lid 26 being open, to remove the screw 37, 38 to be able to completely disassemble the two halves of sieves 33, 34 for cleaning outside the housing 6.

    Il va de soi que le mode de réalisation représenté et décrit n'a été donné qu'à titre d'exemple illustratif et non limitatif et que de nombreuses modifications et variantes sont possibles dans le cadre de l'invention.It goes without saying that the embodiment shown and described has been given as an illustrative and non-limiting example and that many modifications and variations are possible within the scope of the invention.

    Ainsi, le module vis/carter/tamis 4 pourrait avoir, par exemple, une position de travail verticale et une position de nettoyage horizontale. Cependant, l'inclinaison du module 4 par rapport à la verticale en position de travail et par rapport à l'horizontale en position de nettoyage, présente l'avantage de faciliter d'une part l'écoulement de l'eau d'essorage dans le bol 9, en position de travail, et d'autre part l'écoulement de l'eau de nettoyage, en position de nettoyage selon la figure 3, par la goulotte 39 prévue à l'extrémité libre du module 4 en vue de la décharge des déchets essorés et compactés en position de travail selon la figure 1.Thus, the screw / sump / sieve module 4 could have, for example, a vertical working position and a horizontal cleaning position. However, the inclination of the module 4 relative to the vertical position working position and relative to the horizontal in the cleaning position, the advantage of facilitating on the one hand the flow of the wring water into the bowl 9, in working position, and on the other hand the flow of water from cleaning, in cleaning position according to Figure 3, by the chute 39 provided at the free end of module 4 for the purpose of discharging waste dewatered and compacted in working position according to Figure 1.

    Les parties d'accouplement 23, 24 entre la vis 5 et son système d'entraínement 8 pourraient être remplacées par des moyens différents assumant la même fonction, à savoir un accouplement et un désaccouplement automatiques, par un mouvement de translation axiale de la vis.The coupling parts 23, 24 between the screw 5 and its system 8 could be replaced by different means assuming the same function, namely a coupling and a automatic disconnection, by an axial translation movement of the screw.

    Le passage du module 4 de la position de travail à la position de nettoyage, et inversement, par un mouvement de translation et un mouvement de pivotement de ± 90°, ne nécessite pas d'efforts excessifs, notamment du fait de l'assistance de ces mouvements par le vérin 19, cela même lorsque la vis 5 est relativement lourde, comme c'est le cas pour une vis métallique.The passage of module 4 from the working position to the position of cleaning, and conversely, by a translation movement and a pivoting movement of ± 90 °, does not require excessive forces, especially because of the assistance of these movements by the jack 19, this even when the screw 5 is relatively heavy, as is the case for a metal screw.

    Claims (10)

    1. Assembly for drying and compacting food waste having sustained a grinding with where necessary the addition of water, comprising a screw which is mounted mobile in rotation in a sieve inside a casing and which, in substantially vertical working position, is rotated about its axis to receive the waste in the bottom portion, carry it from bottom to top while drying it and expelling it at the top portion in the dried state, characterized in that the screw (5), the casing (6) and the sieve (7) are combined in a screw/casing/sieve module (4) mounted movably between the substantially vertical working position and a substantially horizontal cleaning position and that the casing (6) can be opened so as to allow access to the screw (5) in cleaning position.
    2. Assembly according to Claim 1, characterized in that the system (8) for rotating the screw is situated at the bottom end of the screw being in working position.
    3. Assembly according to Claim 2, characterized in that the system (8) for driving the screw (5) is mounted in stationary position and that the screw (5) and its driving system (8) have coupling/decoupling means (23, 24).
    4. Assembly according to Claim 3, characterized in that the means (11) for mounting and moving the module (4) are designed so as to impose a movement of axial translation upwards followed by a pivoting movement during the transition from the working position to the cleaning position, and a pivoting movement followed by a movement of axial translation downwards during the transition from the cleaning position to the working position.
    5. Assembly according to Claim 4, characterized in that the coupling/decoupling means are designed so as to provide an automatic coupling and decoupling under the effect of the movement of axial translation of the screw.
    6. Assembly according to Claim 5, characterized in that the casing comprises a bottom stationary section (9) and a top section (6) movable with the module.
    7. Assembly according to Claim 6, characterized in that the section of casing (6) movable with the module (4) comprises a bottom portion (25) forming a trough and a top portion (26) forming a cover.
    8. Assembly according to Claim 7, characterized in that the cover (26) is articulated on the trough (25) on one of its longitudinal edges and may, at its other edge, be locked onto the trough by fast closure means (28, 29).
    9. Assembly according to Claim 8, characterized in that the sieve (7) is divided parallel to the axis of the screw into two portions (33, 34) one of which (34) is mounted pivoting relative to the other in order to be able to be opened, the cover (26) being open, and provide access to the screw.
    10. Assembly according to Claim 9, characterized in that the two sieve portions (33, 34) can be removed so that they can be cleaned.
    EP99402478A 1998-10-09 1999-10-08 Dewatering and compacting assembly for food waste Expired - Lifetime EP0995586B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9812680A FR2784315B1 (en) 1998-10-09 1998-10-09 SPIN AND COMPACTION ASSEMBLY OF FOOD WASTE
    FR9812680 1998-10-09

    Publications (2)

    Publication Number Publication Date
    EP0995586A1 EP0995586A1 (en) 2000-04-26
    EP0995586B1 true EP0995586B1 (en) 2005-05-25

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    ID=9531382

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99402478A Expired - Lifetime EP0995586B1 (en) 1998-10-09 1999-10-08 Dewatering and compacting assembly for food waste

    Country Status (5)

    Country Link
    EP (1) EP0995586B1 (en)
    AT (1) ATE296197T1 (en)
    DE (1) DE69925432T2 (en)
    ES (1) ES2242361T3 (en)
    FR (1) FR2784315B1 (en)

    Families Citing this family (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    ES2188340B1 (en) * 2000-11-02 2004-10-16 Jaime Sentis Cros IMPROVEMENTS IN THE OBJECT OF PATENT N-9301902 CONCERNING AN AUTOMATIC STATION FOR PURIN, OIL WASTE AND WASTE WATER DEPURATIONS.
    ITBO20030003U1 (en) * 2003-01-08 2004-07-09 Cms Spa MACHINE WITH A SCREW PRESS, FOR THE COMPACTION, TREATMENT AND SEPARATE COLLECTION OF SOLID AND LIQUID WASTE ORIGINALLY MIXED, SUCH AS, FOR EXAMPLE, THE WASTE OF RESTAURANT ACTIVITIES OR OTHER ACTIVITIES
    ITBO20050070U1 (en) * 2005-11-15 2007-05-16 Cms Spa MACHINE FOR COMPACTION AND FOR DISPOSAL, ALSO WITH DIFFERENTIATED COLLECTION, MUSEUM WASTE OR OTHER RESTAURANT ACTIVITIES USING CUTLERY AND / OR DISHWASHER TO LOSE OR REUSABLE
    DE102006019637A1 (en) * 2006-04-25 2007-10-31 Harburg-Freudenberger Maschinenbau Gmbh Device for pressing
    AT515482B1 (en) * 2014-03-14 2016-03-15 Andritz Ag Maschf screw Press
    DE102016103078A1 (en) 2016-02-22 2017-08-24 Joel Frese disposal device

    Family Cites Families (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3688687A (en) * 1970-11-16 1972-09-05 Wascon Systems Inc Press
    CH545067A (en) * 1971-11-18 1973-12-15 Buehler Ag Geb Single shaft press for pasta and other foods
    US4397230A (en) * 1982-02-10 1983-08-09 Hunt Arthur J Screw press improvements
    US5370323A (en) * 1993-06-24 1994-12-06 Kabushiki Kaisha Nissei Giken Waste disposer
    NO943409D0 (en) * 1994-09-14 1994-09-14 Norske Stats Oljeselskap Method and apparatus for improving the recovery rate of drilling mud
    GB2318524A (en) * 1996-10-26 1998-04-29 Bch A mixing and extruding machine for adding flavourings and colourings to cooked sugar starch paste

    Also Published As

    Publication number Publication date
    ATE296197T1 (en) 2005-06-15
    EP0995586A1 (en) 2000-04-26
    ES2242361T3 (en) 2005-11-01
    DE69925432T2 (en) 2006-02-02
    FR2784315B1 (en) 2000-12-29
    DE69925432D1 (en) 2005-06-30
    FR2784315A1 (en) 2000-04-14

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