EP3825111B1 - Appareil de pressage de légumes dans une atmosphère inerte contrôlée équipé d'un dispositif de séparation moléculaire pour l'autoproduction de gaz inerte - Google Patents

Appareil de pressage de légumes dans une atmosphère inerte contrôlée équipé d'un dispositif de séparation moléculaire pour l'autoproduction de gaz inerte Download PDF

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Publication number
EP3825111B1
EP3825111B1 EP20020540.9A EP20020540A EP3825111B1 EP 3825111 B1 EP3825111 B1 EP 3825111B1 EP 20020540 A EP20020540 A EP 20020540A EP 3825111 B1 EP3825111 B1 EP 3825111B1
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Prior art keywords
pressing
inert gas
valve
separator device
molecular separator
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EP20020540.9A
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German (de)
English (en)
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EP3825111A1 (fr
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Piero Prinzivalli
Antonino Dario Maltese
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Puleo SpA
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Puleo SpA
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Priority to SI202030416T priority Critical patent/SI3825111T1/sl
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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
    • B30B9/22—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 a flexible member, e.g. diaphragm, urged by fluid pressure

Definitions

  • This invention relates to an apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas.
  • the innovation has particular but not exclusive application in the industrial sector of the production and marketing of apparatuses for the pressing of vegetable products, in particular of apparatuses for the pressing of vegetable products in controlled inert atmosphere which are widely intended to be used in the food domain and in general in the industry of production and marketing of apparatuses suitable for allowing the pressing of vegetable products which are aimed at the extraction of their juices and musts, in particular in the oenology domain.
  • the bipartition is known between throwaway methods and recovery methods, in which in the first method, the throwaway method, the inert gas introduced in the pressing chamber is successively intended to be expelled from it without being recovered for successive pressing cycles as instead it happens in the pressing apparatuses which execute the recovery method.
  • a specific characteristic of the pressing method and apparatuses providing that the inert gas used is introduced in a throwaway manner is that it has to include different apparatuses for the generation of inert gas or the help of storage devices of inert gas such as, for example, nitrogen cylinders, with the relative disadvantages due on the one hand to the considerable cost of the current plants for generating inert gas or to the need to provide the refill and/or replacement of the cylinders of inert gas.
  • the use is provided of a known quantity of inert gas which is introduced and extracted from the pressing chamber by means of the use of the pressing membrane of the pressing chamber of the apparatus for the pressing.
  • the use is provided of an inflatable chamber through which said recovery of the inert gas can take place, in short realizing a closed circuit within which said inert gas transits.
  • the solutions of pressing apparatuses making it possible to recover the inert gas have some drawbacks linked to their own structuring among which the one due to the size of the inflatable element and to the possibility that contaminating substances may remain in the circuit consequently contaminating the treated product.
  • D1 synthetically describes a solution of pneumatic press of the type with membrane in particular for the pressing of grapes and includes a substantially horizontal drum which is partially holed and supported in a revolving way by a support frame.
  • the drum is filled with grapes and is internally provided with an impermeable and deformable membrane, which, for the effect of the action of a fluid under pressure introduced in the drum, executes the pressing of the grapes, with consequent must which exits from the holes of the drum.
  • the support frame is essentially composed of a first hollow portion, a wall which supports one end of the drum and a second hollow portion protruding with respect to the first hollow portion and communicating with it. A part of said second hollow portion supports the other end of the drum.
  • D2 in accordance with the preamble of claim 1, synthetically describes a solution of a method for treating bunches of grapes able to allow to execute the extraction of the juice from them in which the bunches of grapes to be treated are intended to be loaded in the treatment apparatus by means of an appropriate conveyor of the type with cochlea to be then treated by means of execution of a pressing which takes place by means of a pneumatic press following which the must so obtained is collected in an appropriate container in which the must is cooled by means of the action of a cooler, where the must so treated is successively sent to a sedimentation chamber.
  • the deposit After a provided sedimentation phase the deposit is intended to be separated and removed and the remaining must to be refrigerated to be brought to the fermentation temperature and brought to fermentation in fermentation basins until the complete fermentation of sugars and then the fermented must is pumped into the storage tank.
  • the fermentation smokes and carbon dioxide produced are discharged from the fermentation container by means of the cover of the upper door of the smoke condenser where the smokes condense, said smokes including carbon dioxide and an aqueous alcoholic mixture, the carbon dioxide being intended to be compressed by means of a two-stage compressor to be then cooled by means of refrigerating means, said carbon dioxide so treated being then filtered by means of a three-stage filter of which the first is intended to be suitable for removing the vapour and alcohol residues by means of filtering means with filter with pores of 1 ⁇ m, the other filters, one of which with activated carbon, absorbing the rest of the impurities being equipped with pores of 0.2 ⁇ m, the carbon dioxide so purified being reused in the plant.
  • D3 synthetically provides a solution of apparatus and a method for extracting liquids from a mixture of solids and liquids or from a mixture of liquids and gases where in a preferred execution solution the proposed invention is particularly suitable for allowing the extraction of must from grapes, fruits and similar and especially to allow the wine extraction from a mass of fermentation products such as fermented grapes and in which said extraction is carried out in a two-stage apparatus able to carry out said extraction, said apparatus including:
  • a first limitation involving all the known solutions of apparatuses for the pressing of vegetable products, particularly executing working cycles in inert atmosphere, in the opinion of the applicant, relates to the detected circumstance for which said solutions are limited by the dependence on external systems with limited capacity of inert gas supply also in the case of apparatus for the pressing which includes systems for recycling and/or accumulation of the inert gas which systems however do not appear as optimized.
  • a second limitation involving all the known solutions of apparatuses for the pressing of vegetable products, particularly executing working cycles in inert atmosphere, in the opinion of the applicant, relates to the detected circumstance for which said solutions, because of their structuring, do not allow to obtain a fast saturation of the pressing environment and furthermore they do not allow to easily carry out a pressurization in inert atmosphere of the pressing environment suitable for increasing the draining speed of the liquid fraction of the treated vegetable product.
  • Aim of this invention is also to avoid the above-mentioned drawbacks.
  • a first advantageous aim of the innovative solution object of the present invention is to obtain an apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas which, with respect to the solutions of apparatuses for the pressing of vegetable products presently known, thanks to the molecular separator device it is provided with, allows to obtain on machine a production of inert gas with unlimited capacity in such a way as to considerably optimize the pressing cycles in inert atmosphere.
  • a second advantageous aim of the innovative solution object of the present invention is to obtain an apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas by means of which, if compared to the solutions of apparatuses for the pressing of vegetable products presently known, allows to obtain an availability of inert gas able to satisfy all the working cycles in inert atmosphere without the need to turn to systems of recycling and/or accumulation of the inert gas.
  • Another advantageous aim of the innovative solution object of the present invention is to obtain an apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas by means of which, with respect to the solutions of apparatuses for the pressing of vegetable products presently known, allows to significantly reduce the times of saturation of the pressing environment and, by means of the pressurization of the environment in inert atmosphere, to increase the draining speed of the liquid fraction of the treated vegetable product.
  • An additional advantageous aim of the apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas of the innovative solution object of the present invention is to allow the operativeness of the apparatus for the pressing also beyond the periods of use intended for the pressing, allowing the production of inert gas for other purposes, furthermore said apparatus for the pressing of the invention turning out to be suitable for constituting a hybrid system able to execute pressing cycles also in the absence of inert gas.
  • Another advantageous aim of the apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas of the innovative solution object of the present invention is to allow the possibility to connect the apparatus for the pressing to external equipment for generation of compressed air avoiding the need to prepare an on-machine compressor, the apparatus for the pressing of the innovative solution being further advantageously actuated integrating on-machine filtering and treatment devices of compressed air which allow to prepare the apparatus for the use with external equipment for generation of compressed air.
  • An additional advantageous aim of the apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas of the innovative solution object of the present invention is to have the possibility to use the same compression unit for feeding the pressure chamber as well as for feeding the molecular separator device in the generation of inert gas.
  • an apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for the self-production of inert gas, in which the apparatus for the pressing (1) of the innovative solution object of the invention provides a load-bearing structure (2), which last can be also provided with wheels to facilitate the movement, which load-bearing structure (2) itself is intended to be opportunely actuated for the purpose of allowing the advantageous support and anchorage of the devices and contrivances which functionally form the apparatus for the pressing (1), said support and anchorage to the load-bearing structure (2) of the devices and contrivances which form the apparatus for the pressing (1) taking place in a known way and by means of the use of anchorage and/or engagement means of known type.
  • the pressing apparatus (1) of the innovative solution object of the present invention includes a pressing tank (3) of known type being internally equipped with a membrane (4), particularly said membrane (4) being intended to be made of food non-toxic plasticized fabric or anyway in known material with similar functional characteristics and said membrane (4) being opportunely and in a known way engaged to the internal wall of the pressing tank (3).
  • the membrane (4) with which the apparatus for the pressing (1) is provided is intended to be deformable, in the execution example described and preferably, but not necessarily, also being dimensionally prearranged to allow, in a known way, to get close almost in adhesion to at least part of the internal wall of the pressing tank (3) which, by means of the membrane (4) itself is divided into a pressure chamber (5) and into a pressing chamber (6). More in detail, as particularly represented in figure 3 , it is provided that both the pressure chamber (5) and the pressing chamber (6), by means of the membrane (4), are chambers with variable volume according to the deformation movements given to the membrane (4) itself in consequence of the operating phases to which it is driven.
  • the pressing tank (3) which in the described example is preferably horizontally arranged, is actuated in a known way for the purpose of allowing the extraction of the liquid fraction of the vegetable product in consequence of the push under pressure exerted by the membrane (4) on the vegetable product to be pressed within the pressing chamber (6).
  • the pressing tank (3) itself, for said purpose of allowing the extraction of the liquid fraction from the treated vegetable product, is intended to be equipped with known holed and/or channelled devices suitable for allowing the separation and the draining of the liquid fraction of the treated vegetable product.
  • said holed and/or channelled devices can consist of a known wall equipped with holed longitudinal small channels to which said membrane (4) is opposed or other equivalent of known type and with which the pressing tank (3) is provided for said purpose of cooperating with the membrane (4) for the separation of the liquid fraction of the treated vegetable product.
  • the pressing tank (3) is opportunely actuated, in a known way, to both allow the loading of the vegetable product to be treated and allow to carry out the discharge of the fractions obtained of the vegetable product after the treatment process and also to possibly allow the access for preparation and/or maintenance purposes.
  • the pressing apparatus (1) of the innovative solution object of the invention is intended to further comprise air extraction and/or blowing means such as a blower (7) suitable for opportunely moving an airflow inside the pressing tank (3) in at least the pressure chamber (5), said apparatus for the pressing (1) being further equipped with a filtering group (8) of known type provided with known filtering devices and suitable for allowing to carry out at least the filtering of the compressed air which is introduced into the pressure chamber (5) from an air compression unit (9) of known type which last, in the execution example described as particularly shown in figure 3 , is provided to be external to the apparatus for the pressing (1) even though it is indifferently possible that the air compression unit (9) be a piece of equipment of the apparatus for the pressing (1) itself.
  • air extraction and/or blowing means such as a blower (7) suitable for opportunely moving an airflow inside the pressing tank (3) in at least the pressure chamber (5)
  • said apparatus for the pressing (1) being further equipped with a filtering group (8) of known type provided with known filtering devices and suitable for
  • the apparatus for the pressing (1) of the inventive solution is intended to be equipped with at least one must tank (10) which is opportunely placed in communication with the pressing chamber (6) of the pressing tank (3), within which must tank (10) the liquid fraction of the treated vegetable product is made to flow, said must tank (10) being intended to be opportunely provided with level sensors (24, 25) of known type suitable for allowing the detection at least of a minimum level and of a maximum level of the must contained inside the must tank (10) in such a way as to allow to determine the appropriate moment for the activation and the deactivation of a must pump (11) conveniently connected to the must tank (10) and suitable for allowing that, all or part of, the must contained in the must tank (10) flows to a storage tank external to the apparatus for the pressing (1).
  • the apparatus for the pressing (1) for the purpose of allowing the execution of working cycles in inert atmosphere is equipped with a molecular separator device (12), of known type, said molecular separator device (12) being suitable for allowing the production of nitrogen starting from an air flow under pressure, generated by the air compression unit (9) which air flow under pressure itself is forced into said molecular separator device (12) by means of which it is possible to obtain the production of nitrogen necessary for the apparatus for the pressing (1) to carry out working cycles in inert atmosphere.
  • the molecular separator device (12) with which the apparatus for the pressing (1) is equipped is intended to be of the type suitable for allowing the production of nitrogen in a purity range between 95% and 99.9%, the nitrogen production being able to be potentially of unlimited capacity.
  • the molecular separator device (12) is of known type being based on the technology of selective permeation according to which each gas has its own characteristic permeation speed according to the capacity to dissolve and spread through a membrane, in such a way that said molecular separator device (12) is provided to be preferably of the type with hollow fibre membrane.
  • said molecular separator device (12) with which in the embodiment described the apparatus for the pressing (1) of the inventive solution is equipped, is intended to be preferably of the passive-technology type being without moving parts, the same molecular separator device (12) being actuated in such a way as to allow that following the entry of compressed air in the inlet duct with which it is provided, the same air flow is forced to go through an appropriate hollow fibre separating membrane, the latter possibly being also of the asymmetric type, contained within an appropriate casing body axially provided at the ends with an inlet duct and with an exit duct, as well as with an appropriate discharge element, said casing body being suitable not only for protecting the fibres of the separating membrane, but also for opportunely channelling the flow of the incoming compressed air.
  • the compressed airflow entering the molecular separator device (12) is forced to flow through the hollow fibres of the separating membrane which are made in such a way as to allow the separation of gases forming the mixture consisting of the air under pressure allowing that almost all the high-speed permeation gases, such as oxygen and carbon dioxide, permeate the wall of the membrane towards the outside of the fibres to be expelled at atmospheric pressure through the discharge element with which the molecular separator device (12) is provided, while almost all the low permeation speed gases go through the fibres of the separating membrane until they are expelled, at a pressure greater than the atmospheric pressure, from the exit duct with which the casing body of the molecular separator device (12) is provided allowing the channelling for the use in the working cycle in inert atmosphere of the apparatus for the pressing (1).
  • the high-speed permeation gases such as oxygen and carbon dioxide
  • the apparatus for the pressing (1) of the inventive solution object of the present invention is opportunely accompanied respectively: with valves, regulating devices, transducing devices, sensors and any other device of known type suitable for allowing the functioning for the execution of pressing cycles in inert atmosphere by means of movement of said membrane (4), to this aim the same devices being functionally arranged and connected according to prior art.
  • drive and control unit (14) actuated with devices of known type, with programmable logic controller and, in the execution example described and preferably, provided with a tactile screen for the control setting by the operator and the monitoring of at least some of the phases of the working cycle, which drive and control unit (14) can be also equipped with known visual and/or acoustic signalling devices for the signalling of possible detected operating anomalies and the signalling of any other event of the working cycle which during the factory setting has been considered as necessary.
  • the drive and control unit (14) is intended to be, in a known way, in signal communication for the drive and the control at least of the electric motors, of the cycle sensors and of the servo-controlled valves with which the apparatus for the pressing (1) is provided, everything according to prior art. Furthermore, for the purpose of allowing the collection of the liquid fraction, must, of the treated vegetable product, in case the apparatus for the pressing (1) is operated in a working mode which does not provide that the pressing takes place in inert atmosphere or also for the purpose of allowing the collection of the washing liquid, it is provided that the apparatus for the pressing (1) of the inventive solution is equipped with an open collection basin (15), of known type, placed below an appropriate discharge duct with which the pressing tank (3) is provided, said collection basin (15) being also possibly translatable.
  • the working cycle in controlled inert atmosphere that the apparatus for the pressing (1) of the innovative solution object of the present invention is able to carry out, takes place, respectively, in at least: one initial saturation phase; a loading phase of the product and a pressing phase of the product.
  • the initial saturation phase it refers to a phase anticipating the subsequent treatment phases since it allows to prepare the apparatus for the pressing (1) in such a condition as to be able to conveniently carry out the loading of the vegetable product to be treated in inert atmosphere.
  • the start of the initial saturation phase is given by the simultaneous opening of the vent valve (16), of the butterfly pneumatic type, suitably communicating with the must tank (10) which last is in turn suitably in communication with the pressing chamber (6) of the pressing tank (3), as well as with a first compressed air interception valve (17), of the ball pneumatic type, which is suitably connected to the compression unit (9) in such a way as to allow the passage of the compressed air flow produced by said air compression unit (9) itself, which compressed air flow, by means of a suitable duct, is introduced into the pressure chamber (5) of the pressing tank (3).
  • the closure of the first compressed air interception valve (17) is driven when the pressure level of 0.3 bars is reached (18) in the pressure chamber (5) detected by said first transducer device.
  • the vent valve (16) is driven to close and following said closure a pneumatic valve (19), suitably interposed in communication between the pressure chamber (5) and the blower (7) is driven to open and also the blower (7) is activated at programmed intervals in such a way as to allow the expulsion of the compressed air in the pressure chamber (5).
  • a second compressed air interception valve (20) is intended to be driven to open.
  • the compressed air flow generated by the air compression unit (9) is suitably sent to an air filtering group (8) located downstream of said second compressed air interception valve (20), said air filtering group (8) being of known type and suitable for retaining any possible impurities which may be present in the compressed air flow.
  • the compressed air flow generated by the air compression unit (9) is intended to be sent to the molecular separator device (12) which separates the component gases in such a way as to expel the residual gases into the atmosphere, by means of an appropriate discharge element (21) based on the Venturi effect, and to generate a flow of nitrogen under pressure coming out of the molecular separator device (12) itself, which flow of gaseous nitrogen is suitably channelled into the pressing chamber (6) and made to flow inside it until a predetermined pressure level is reached, signalled by a second transducer device (22) suitably placed in communication with the must tank (10).
  • the closure is suitably driven of all the valves of the apparatus for the pressing (1).
  • the molecular separator (12) is intended to be sized and arranged to obtain an inert gaseous flow such as to saturate at least the pressing chamber (6) in a time which is expected to be less than or equal to 300 seconds.
  • the molecular separator (12) delivers a continuous flow of gaseous nitrogen with set qualitative specifications of gaseous flow rate which are obtained by registering a flow regulating valve (23), in the example with manual adjustment, and in which said flow regulating valve (23) is intended to be placed in a convenient position, in the example described in Figure 3 , said flow regulating valve (23) being placed downstream of the molecular separator (12).
  • a flow regulating valve 23
  • said flow regulating valve (23) being placed downstream of the molecular separator (12).
  • the end of the saturation phase determines the possibility to start the loading phase of the product to be treated in an inert atmosphere, which last, in the execution example described, provides a type of axial loading of the vegetable product, which loading is made by means of a suitable loading pump, of known type, with which last itself the apparatus for the pressing (1) is preferably provided.
  • a suitable loading pump of known type, with which last itself the apparatus for the pressing (1) is preferably provided.
  • both the loading valve (13), placed at the entrance of the pressing chamber (6), and the vent valve (16) are simultaneously driven to open. Following the described opening of said loading valves (13) and vent valves (16), the loading pump is allowed to introduce the vegetable product to be treated, by way of example grapes, inside the pressing chamber (6).
  • the liquid volumetric percentage of the vegetable product introduced during the loading is collected in the must tank (10) which last itself is equipped with at least one minimum level sensor (24) and one maximum level sensor (25) in such a way that the reaching of a predetermined level inside the must tank (10) drives the start of the must pump (11) together with the opening of the must discharge valve (26) which is intended to be of the butterfly pneumatic type and it is interposed between the must tank (10) and the must pump (11).
  • the discharged liquid product is sent to a storage tank external to the apparatus for the pressing (1).
  • the loading phase ends with the manual intervention of the operator, who determines the load of the pressing chamber (6), or alternatively by means of the intervention of known types of pressure switches with which the apparatus for the pressing (1) is conveniently equipped in order to detect the reached filling of the pressing chamber (6), which pressure switches are placed in signal communication with the drive and control unit (14) in order to drive the interruption of the product loading.
  • the pressing phase of the vegetable product contained within the pressing chamber (6) can be carried out.
  • the start of the pressing phase of the vegetable product is given by the simultaneous opening of the vent valve (16) as well as of the first compressed air interception valve (17), so that the flow of compressed air generated by the compression unit (9), penetrating into the pressure chamber (5) consequently puts under pressure the membrane (4) of the pressing tank (3) in such a way that the mechanical pressing action performed by the membrane ( 4) on the vegetable product allows the extraction of the liquid fraction of the loaded vegetable product.
  • Said pressing phase of the vegetable product takes place right from the start in a pressurized inert atmosphere in such a way as to guarantee a functional easiness of draining towards the must tank (10) of the liquid fraction of the treated vegetable product, this also by means of the direct connection between the volumes of the pressing chamber (6) and the must tank (10).
  • the flowing into the must tank (10) of the liquid fraction of the vegetable product contained in the pressing chamber (6) determines that, by activating said level sensors (24, 25) with which the must tank (10) is provided, reaching a predetermined level inside the must tank (10) drives the start of the must pump (11) together with the activation of the must discharge valve (26).
  • the second compressed air interception valve (20) is driven to open, thus allowing the flow of compressed air generated by the compression unit (9) to flow through the filtering group (8) and through the molecular separator (12) so that the latter can generate a flow of inert gas, nitrogen, whose qualitative specifications are determined by the adjustment of the flow regulating valve (23).
  • the flow of inert gas generated by the molecular separator device (12) is sent inside the pressing chamber (6) to generate an appropriate pressure differential suitable for facilitating an optimal draining of the liquid fraction of the treated vegetable product.
  • the mode of introduction of inert gas, nitrogen, inside the pressing chamber (6) is intended to be controlled and timed by the drive and control unit (14).
  • the activation of the blower (7), of the pneumatic valve (19) and the second compressed air interception valve (20) is simultaneously driven, so that consequently to the activation of the blower (7) the extraction of air from the pressure chamber (5) is allowed, said extraction of air from the pressure chamber (5) itself continuing until a predetermined level of negative pressure is reached, in the example corresponding to -0.15 bars, inside the pressure chamber (5) signalled by the first transducer device (18).
  • Both the maintenance of the pressurized nitrogen flow inside the pressing chamber (6) and the activation of the blower (7) generating said negative pressure inside the pressure chamber (5) remain until the moment in which the membrane (4) appears adherent to the internal surface of the pressure chamber (5) which last, in the example, is maintained at a negative pressure of -0.15 bars.
  • the described pressing phase is intended to be repeated as predefined in the working process with increasing pressure levels.
  • the apparatus for the pressing (1) of the innovative solution object of the present invention is also provided for functional purposes with:
  • the apparatus for the pressing (1) in the execution example described, is structured in a scheme which starting from an air compression unit (9) provided outside the apparatus for the pressing (1) itself, comprises two circuits of which a first circuit which includes the following devices, arranged in sequence in an order which goes from upstream to downstream:
  • the second circuit which originates from the air compression unit (9), as shown in the scheme of Figure 3 includes the following devices, arranged in sequence in an order which goes from upstream to downstream:
  • the apparatus for the pressing (1) is equipped with a must tank (10) equipped with a minimum level sensor (24) and with a maximum level sensor (25) wherein said must tank (10) is placed in communication with said second circuit and is connected to a circuit comprising the third safety valve (33); the second transducer device and the vent valve (16).
  • the must tank (10) is connected to a discharge circuit comprising the must discharge valve (26) downstream of which there is the must pump (11) which last is in turn connected to a discharge circuit which includes the pneumatic butterfly valve (34) and the collection basin (15), in which a first discharge circuit (35) is provided between the must pump (10) and the must discharge valve (26) and a second discharge circuit (36) is provided between the must pump (10) and the pneumatic butterfly valve (34).

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • General Preparation And Processing Of Foods (AREA)

Claims (8)

  1. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte incluant un réservoir de pressage (3) arrangé pour permettre l'égouttage de la fraction liquide du produit végétal traité et pourvu intérieurement d'une membrane (4) séparant la chambre de pression (5) de la chambre de pressage (6) et où ladite membrane (4) est apte à se déformer suite au changement de pression à l'intérieur d'au moins l'une des deux chambres (5, 6), où le réservoir de pressage (3) est arrangé pour permettre le chargement du produit végétal à traiter à l'intérieur de la chambre de pressage (6) et est fonctionnellement relié à des moyens d'entrée d'air comprimé et de gaz inerte, à des moyens d'extraction de l'air et à un réservoir de moût (10) pour la collecte de la fraction liquide du produit végétal étant traité et où l'appareil pour le pressage (1) est pourvu de soupapes, de capteurs, de dispositifs transducteurs et d'une unité d'entraînement et de contrôle (14), le tout fonctionnellement arrangé pour permettre l'exécution des phases de travail caractérisé en ce qu'il inclut au moins un dispositif séparateur moléculaire (12) pour la production d'azote à partir d'un flux d'air sous pression, généré par une unité de compression d'air (9) où le dispositif séparateur moléculaire (12) est capable de fournir, au moins dans la chambre de pressage (6), au moins un flux de gaz inerte sous pression dont le degré de pureté est compris entre 95% et 99,9%, la production d'azote pouvant ainsi être potentiellement d'une capacité illimitée, et l'appareil pour le pressage (1) est équipé d'au moins une soupape de régulation de flux (23) au moyen de laquelle il est possible de régler les spécifications qualitatives du débit du flux de gaz du gaz inerte généré par le dispositif séparateur moléculaire (12).
  2. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon la revendication précédente caractérisé en ce que le dispositif séparateur moléculaire (12) est du type avec technologie passive étant sans pièces mobiles.
  3. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins l'une des revendications précédentes caractérisé en ce que l'appareil pour le pressage (1) inclut au moins :
    - un ventilateur (7) ;
    - un groupe de filtrage d'air (8) ;
    - un réservoir de moût (10) équipée d'au moins un capteur de niveau minimum (24) et d'au moins un capteur de niveau maximum (25) ;
    - une pompe à moût (11) ;
    - une soupape de chargement (13) ;
    - une soupape de ventilation (16) ;
    - une première soupape d'interception d'air comprimé (17) ;
    - un premier dispositif transducteur (18) ;
    - une soupape pneumatique (19) ;
    - une deuxième soupape d'interception d'air comprimé (20) ;
    - un élément de décharge (21) ;
    - un deuxième dispositif transducteur (22) ;
    - une soupape de régulation de flux (23) ;
    - une soupape de décharge de moût (26).
  4. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins une des revendications précédentes caractérisé en ce que l'appareil pour le pressage (1) est capable de réaliser au moins une phase de saturation, avec atmosphère inerte dans au moins la chambre de pressage (6), où la phase de saturation fournit au moins :
    - l'ouverture simultanée de la soupape de ventilation (16) et d'une première soupape d'interception d'air comprimé (17) en communication avec la chambre de pression (5) et reliée à une unité de compression d'air (9) qui est simultanément activée et détermine, au moyen de l'expansion de la membrane (4), la sortie de l'air contenu dans la chambre de pressage (6) ;
    - la fermeture de la soupape de ventilation (16) et de la première soupape d'interception d'air comprimé (17) lors de l'atteinte d'un niveau de pression prédéfini dans la chambre de pression (5) détecté par un premier dispositif transducteur (18) en communication avec la chambre de pression (5), obtenant l'ouverture d'une soupape pneumatique interposée (19) en communication entre la chambre de pression (5) et le ventilateur (7) qui est activé à intervalles programmés de manière à permettre l'expulsion de l'air comprimé dans la chambre de pression (5) ;
    - et où simultanément à l'ouverture de ladite soupape pneumatique (19), on commande l'ouverture d'une deuxième soupape d'interception d'air comprimé (20), en communication avec l'unité de compression d'air (9) et avec le groupe de filtrage d'air (8), en ouvrant le circuit qui introduit de l'air comprimé dans le dispositif séparateur moléculaire (12) qui génère un flux de gaz inerte qui est sous pression canalisé à l'intérieur de la chambre de pressage (6) et amené à circuler à son intérieur jusqu'à atteindre un niveau de pression prédéterminé signalé par un deuxième dispositif transducteur (22) en communication avec le réservoir de moût (10), où suite à l'activation dudit deuxième dispositif transducteur (22), on commande la fermeture de toutes les soupapes de l'appareil pour le pressage (1).
  5. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins une des revendications précédentes caractérisé en ce que l'appareil pour le pressage (1) est capable d'accomplir au moins une phase de chargement du produit végétal dans la chambre de pressage (6) dans une atmosphère inerte, où la phase de chargement du produit végétal assure au moins l'activation au moins temporaire du dispositif séparateur moléculaire (12) pour la production d'un flux de gaz inerte sous pression au moins dans la chambre de pressage (6).
  6. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins une des revendications précédentes caractérisé en ce que l'appareil pour le pressage (1) est capable d'accomplir au moins une phase de pressage dans une atmosphère inerte du produit végétal contenu dans la chambre de pressage (6), où la phase de pressage du produit végétal assure au moins l'activation au moins temporaire du dispositif séparateur moléculaire (12) pour la production d'un flux de gaz inerte sous pression au moins dans la chambre de pressage (6).
  7. Appareil de pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé d'un dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins une des revendications précédentes caractérisé en ce que le dispositif séparateur moléculaire (12) est inclus dans un circuit qui va de l'unité de compression d'air (9) au réservoir de pressage (3) et inclut, en aval de l'unité de compression d'air (9), en série respectivement au moins :
    - une soupape d'interception d'air comprimé (20) ;
    - un régulateur de pression (27) ;
    - un groupe de filtrage d'air (8) ;
    - un dispositif séparateur moléculaire (12) ;
    - une soupape de sécurité (30) ;
    - une soupape de régulation de flux (23) ;
    - une soupape anti-retour (31).
  8. Appareil pour le pressage (1) de produits végétaux dans une atmosphère inerte contrôlée équipé de dispositif séparateur moléculaire pour l'autoproduction de gaz inerte selon au moins une des revendications précédentes de 1 à 4 caractérisé en ce que l'appareil pour le pressage (1) est capable d'accomplir également toutes les phases de travail dans une atmosphère non-inerte.
EP20020540.9A 2019-11-18 2020-11-17 Appareil de pressage de légumes dans une atmosphère inerte contrôlée équipé d'un dispositif de séparation moléculaire pour l'autoproduction de gaz inerte Active EP3825111B1 (fr)

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CN115568621A (zh) * 2022-04-24 2023-01-06 盐地碱蓬基因生物科技(辽宁)集团有限公司 一种碱蓬烟用制品辅助装置
CN115614666B (zh) * 2022-09-28 2026-04-24 浙江迈新科技股份有限公司 一种基于危化品安全实时监测分析的监控系统

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CN107512696A (zh) * 2017-08-17 2017-12-26 四川五月花精密机械有限公司 一种红酒出酒保鲜系统及方法

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EP1578595B1 (fr) * 2002-10-08 2009-03-18 Mario Pojer Appareil et procede de pressage de produits vegetaux sous atmosphere controlee
WO2005051642A1 (fr) * 2003-11-27 2005-06-09 Velo Spa Procede et appareil ameliores pour presser du raisin et d'autres fruits juteux
AU2005211517A1 (en) 2005-09-11 2007-03-29 Chandler, Mark An Apparatus and Method for extracting liquids from phase differential matter
FR2924050B1 (fr) * 2007-11-23 2010-05-07 Le Materiel Pera Pressoir pour matiere telle que de la vendange
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ITRE20080083A1 (it) * 2008-09-12 2008-12-12 Diemme Spa Dispositivo di scarico per una pressa rotativa di spremitura
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