• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a process and equipment for the injection under pressure of air or other gases in a controlled manner in vinification tanks or the like in order to proceed with the efficient breakage of the hat and carry out the extraction of the compounds Polyphenolics and aromatics from the skins to the liquid part (must) after the grape is crushed through the harvesting process during the maceration of the grape. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2747427A2
    申请号:ES202030106
    申请日:2018-05-18
    公开日:2020-03-10
    发明作者:Fernández Irene Manzanero；Ortiz Juan Alberto Iniesta；Fuentes Ricardo Juardo
    申请人:Productos Agrovin S A；
    IPC主号:
    专利说明:

    [0001]
    [0002]
    [0003]
    [0004] Object of the invention.
    [0005]
    [0006] The present invention relates to a method and equipment for the injection under pressure of air or other gases in a controlled manner into winemaking tanks or the like in order to carry out the extraction of polyphenolic and aromatic compounds by means of the process of pumping up. of the harvest during the maceration of the same.
    [0007]
    [0008] In particular, the invention relates to the transfer of phenolic and aromatic compounds from the skins to the liquid part (must) after crushing the grapes, using for this purpose a method and equipment based on air pressure injection or other gases in a controlled manner in winemaking tanks.
    [0009]
    [0010] More particularly, the invention relates to the injection under pressure of air or other gases in a controlled manner into winemaking tanks in order to proceed to the efficient breaking of the hat and the provision of polyphenolic and aromatic compounds to the liquid medium for to be integrated into said liquid medium, enhancing the characteristics of the wine.
    [0011]
    [0012] Description of the state of the art.
    [0013]
    [0014] Once the grape harvest is carried out in the maceration tanks, the evolution of carbon dioxide bubbles begins, which gives rise to the formation of a dense layer on top of it, called a hat and made up of skins and pulp floated by said gas. To achieve the extraction of the polyphenolic and aromatic compounds present in the skins and pulp that constitute said hat, it must be broken into portions so that the liquid comes into contact with the entire solid mass and thus favor this flow of compounds from the fraction solid to liquid.
    [0015] Traditionally, this hat was broken by making liquid phase extractions in the lower part of the vintage tank with which to soak the hat until it softens and breaks it.
    [0016]
    [0017] Systems for hat breaking have been developed in which the position of the means for injection under air pressure is dynamic, and this position must be modified during the operation of the system.
    [0018]
    [0019] An example of them is disclosed in patent ES2491985T3, which refers to a procedure and device for treating the mash hat in red wine making for which a system and mechanisms that modify the position or direction of emission of the nozzle element to the container during operation.
    [0020]
    [0021] Compared to the systems according to the invention, in which the means for air injection remain unchanged in the lower part of the tank, systems such as those of patent ES2491985T3 present the drawback of needing bulky, high-cost and high-maintenance installations, In spite of which, and taking into account the aggressive nature of the environment in which they perform their function, said systems, in particular the moving parts thereof, present frequent breakdowns that limit their effectiveness and efficiency to a great extent.
    [0022]
    [0023] Also, systems have recently been developed that allow the hat to break through the injection of air or other gases under pressure in a controlled manner.
    [0024]
    [0025] The patent AU2004101059 refers to an air pressure injection system in the harvest whose diffusers are located at the bottom of the tank, all at the same height or the same level and all of them inject the same amount of air at the same time, generating jets uniforms that reach the hat under the same conditions of pressure and beam opening (see figs. 2A and 2B), so that the breaking of said hat is performed inefficiently and, in addition, presents the risk of clogging of the diffusers having its opening mouth directed upwards and being at a level of frequent accumulation of solid waste in the tanks.
    [0026]
    [0027] From patent application WO2016 / 087966A1 a controlled injection system of air or other gases is known whose diffusers are all located at the same level, on the walls of the tank. The system described in said request for Patent cannot be applied to the bottom of the tank, which limits its application and, as regards the method followed, it is based on the sequential injection of air into the tank, acting on a single point of the hat at any time and with the same amount of air and, therefore, the same conditions of pressure and beam opening in each injection, which is insufficient when it comes to breaking the hat and limits the extraction of polyphenolic and aromatic compounds.
    [0028]
    [0029] To solve the aforementioned problems, the procedure and equipment for the injection under pressure of air or other gases according to the invention is based on a dual injection with diffusers that inject air two by two into the tank, simultaneously affecting at least two hat points during system performance. In addition, the diffusers are located within the tank at a different height or level, so that the pressure and beam opening conditions in each injection are different. In this way, the hat is subjected to a plastic deformation that produces the efficient breaking of said hat and maximizes the extraction of polyphenolic and aromatic compounds.
    [0030]
    [0031] In the event that the installation of an odd number of diffusers is necessary, all of them are distributed in groups of two and three diffusers, and there may be groups of three diffusers in the dual injection system.
    [0032]
    [0033] Likewise, the pressure injection system of air or other gases in a controlled manner according to the invention can be installed in any type of existing or newly implemented tank, minimizing the cost and using the minimum space, taking advantage, when possible, of the spaces underused, such as the bottom of the tank in self-emptying or flat-bottomed tanks with legs.
    [0034]
    [0035] Description of the invention.
    [0036]
    [0037] The present invention provides a method and equipment for the pressurized injection of air or other gases in a controlled manner into winemaking tanks or the like in order to carry out the process of pumping the grape harvest during its maceration.
    [0038]
    [0039] Another object of the present invention is to overcome the problems existing in the state of the prior art.
    [0040] Other additional objects and advantages of the present invention derive from the description made below, taking into consideration the included figures and the preferred examples of embodiment described by way of example but not limitation.
    [0041]
    [0042] The injections can be of pressurized air or any other gas that is functionally equivalent and can be used alternatively. In particular, such injections can be of nitrogen or other inert gases.
    [0043]
    [0044] Maceration is understood as the extraction process in which two phases intervene: a solid phase and a liquid phase. The solid product has a series of compounds, which are the ones to be extracted, soluble in the extracting liquid. In winemaking, the skin or skin of the grape (solid product) contains polyphenolic and aromatic compounds (which are to be extracted to provide the final product with more intense coloring and aromas). During maceration, these compounds are solubilized in the liquid (first must and then came).
    [0045]
    [0046] For the purposes of this description, maceration is divided into the following stages: pre-fermentation maceration, alcoholic fermentation 1 or FAL1, alcoholic fermentation 2 or FAL2 and post-fermentation maceration. Each of these stages is described below:
    [0047]
    [0048] Pre-fermentation maceration: maceration stage, prior to the generation of alcohol in the medium, which aims to lengthen this process to achieve greater extraction of polyphenolic and aromatic compounds.
    [0049]
    [0050] FAL1 (Alcoholic Fermentation 1): first phase of the fermentation process. The transformation of sugars from the must into alcohol begins. Generally, said process begins with a density of 1.09 gr / cm3 and ends when said density drops to 1.04 gr / cm3.
    [0051]
    [0052] FAL2 (alcoholic fermentation 2): transformation of the last sugars from the must into alcohol. Generally, it starts with a density of around 1.04 gr / cm3 and ends when said density falls below 0.995 gr / cm3.
    [0053] Postfermentative maceration: once all sugars have been transformed into alcohol, the contact of the solid phase with the liquid phase is lengthened with the same objective of achieving a greater extraction of polyphenolic and aromatic compounds.
    [0054]
    [0055] During the maceration of the harvest, the pumping operations are applied, aimed at activating the maceration of the skins with the must.
    [0056]
    [0057] The procedure and equipment for the injection under pressure of air or other gases in order to carry out the pump-up operations according to the invention, is based on a dual injection with means for injection under air pressure that inject air, at least , two by two in the tank, simultaneously affecting at least two regions of the hat during the operation of the system. Furthermore, said means for the injection under air pressure are located inside the tank at a different height or level, therefore the pressure and beam opening conditions in each injection are different. In this way, the hat is subjected to a plastic deformation that produces the efficient breaking of said hat and maximizes the extraction of polyphenolic and aromatic compounds.
    [0058]
    [0059] Advantageously, it has been found that by varying the penetration of the medium for the injection of air pressure into the tank, even greater efficiency in hat breaking is achieved.
    [0060]
    [0061] Regarding the height or level of the means for injection under air pressure and their penetration into the tank, according to the procedure and equipment for injection under air pressure, it has been determined by means of a theoretical study of the force system. generated by the action of the remounting diffusers that the maximum plastic deformation that produces the efficient breaking of the hat and maximizes the extraction of polyphenolic and aromatic compounds, is obtained with the arrangement of the diffusers according to the dimensions indicated in the following table:
    [0062]
    [0063]
    [0064]
    [0065]
    [0066] Where:
    [0067]
    [0068] "D" is the diameter of the circular tank or the longest diagonal, if the tank is polygonal,
    [0069] "N" is the number of diffusers installed in the tank.
    [0070] "H" is the height of the diffuser in mm. Y,
    [0071] "P" the penetration of the diffuser into the tank, in mm.
    [0072]
    [0073] Results that have also been experimentally verified during the investigations leading to the invention.
    [0074]
    [0075] Regarding the performance of the pumping system in each of these phases and the result of the research carried out, it has been discovered that in the pre and post fermentation stages, pumping can be limited to the homogenization of the entire wine-making mass, lengthening the contact time between the solid and liquid phases, so these remounts have a shorter and less frequent injection of air. However, during the two stages of alcoholic fermentation (FAL1 and FAL2), when carbon dioxide generation is higher and the cap is more compacted, longer and more frequent injections are advantageous. These more intense and frequent injections also allow a greater release of carbon dioxide from the winemaking mass, with the desired effect of containing or reducing the temperature of the medium, which counteracts the increase in temperature that said mass undergoes through the process itself. fermentative.
    [0076] It follows from all of the foregoing that the operating times of the pump-over system according to the invention in each of the phases are as follows:
    [0077]
    [0078]
    [0079]
    [0080]
    [0081] where:
    [0082]
    [0083] injection time (ti), is the time during which each pair of injectors introduces gas into the tank without interruption.
    [0084]
    [0085] switching time (tc), is the time that elapses between the injection of a pair of diffusers and the injection of the pair of consecutive diffusers.
    [0086]
    [0087] Cycle rest time (tr) is the time that elapses between the end of a pumping cycle and the beginning of the next cycle, a cycle consisting of the actuation of all pairs of diffusers sequentially.
    [0088]
    [0089] Being n the number of pairs of diffusers, the total injection time per cycle is nti, the total switching time per cycle is (n-1) -tc, and the total rest time per cycle is tr.
    [0090]
    [0091] Regarding the number of daily pumpbacks depending on the grape variety and its phenolic maturity for the different stages into which the performance of the pumping system has been divided, the following intervals have been determined:
    [0092]
    [0093]
    [0094] Varieties with a high content of polyphenolic compounds (these compounds are present both in the skin and in the pulp of the fruit) are, for example, Garnacha Tintorera.
    [0095]
    [0096] The varieties with medium content in polyphenolic compounds (these compounds are present in the skin of the fruit), are, for. example: tempranillo, monastrell, syrah, carbernet sauvignon, etc.
    [0097]
    [0098] And, varieties with low content of polyphenolic compounds (these compounds are present in the skin of the fruit in very low concentration), we can cite, for example, pinot noir.
    [0099]
    [0100] Regarding the degree of maturation or phenolic maturity index (MFI) or value from which the grape is very close to reaching the maximum probable color value, and where the astringency and the greenness of the tannins of the skin approach the minimum value, can be measured with the CHROME system or equipment . Establishing that for IMF <1.5 the grape reaches its optimum state of phenolic maturity and, for IMF> 1.5, the grape is not phenolic ripe.
    [0101]
    [0102] The operation of the pumping up system is as follows: each pair of diffusers is put into operation during the injection time according to the stage of the maceration in which we are. During this time, the selected pair of diffusers is injecting air into the mash tank. After the injection time, both diffusers stop. At the end of the commutation time, the next pair of diffusers starts up in the sequence, preferably hourly, which will be injecting air into the maceration tank during said injection time. Once all the pairs of diffusers have intervened in the process, they are put on hold during the rest time, after which the first pair of diffusers starts operating again during the injection time, after this time, it stops and After the switching time, the second pair of diffusers comes into operation, and so on.
    [0103]
    [0104] This operation is repeated with the appropriate times for each stage of the maceration, changing the values and adapting them to each stage of the vintage maceration.
    [0105] Advantageously, the actuation times of the pump-back system (injection time, switching time and cycle rest time) can be controlled by means of a PC-type microprocessor, PLC or similar, in which the time values are fixed or can be varied by the user of the tracing system.
    [0106]
    [0107] An additional feature of the method and the equipment according to the invention is that they achieve the pumping effect on most of the hat surface and even on the entire surface. For this, the means for the injection under air pressure will be located in such a way that the penetration of said means into the tank will vary conditioned to the fact that the area of action of the different means overlaps as little as possible and / or the gas outlets the means will be arranged asymmetrically in relation to the axes of the tank section.
    [0108]
    [0109] Another additional feature of the invention is to make the control valves independent of the compressed air distribution circuit in order to isolate them from the environment and protect them against dirt, deterioration due to blows, etc., by installing these grouped valves in a central control valve with due protection. In a preferred embodiment, said control valves are solenoid valves located in a register cabinet, from which the control lines that act on the mechanical valves that allow the passage of air are derived, and which, in a preferred embodiment, are control valves. inclined seat.
    [0110]
    [0111] Likewise, another additional feature of the procedure and the equipment according to the invention is the inclusion of a cleaning system inside the means for the injection under pressure of air that, once the tank has been emptied, remains full of liquid and / or paste of crushed grapes inside which, under certain conditions, can degrade rapidly giving rise to putrefactions and unwanted substances. For this, the procedure is complemented with an injection of water into the means for the injection under pressure of air that drags the remains of the vinification from the interior of said means, cleaning said interior. Subsequently, compressed air is injected again, drying the means for injection under air pressure, eliminating the remains of water. In a preferred embodiment, said water injection is carried out through the equipment's compressed air distribution circuit and, in an even more preferred embodiment, a water intake is arranged in the compressed air pipe.
    [0112] And still another additional feature of the system according to the invention is the mounting of the opening and closing valves of the means for injection under air pressure so that, in the event of any problem or failure, said valves allow injection according to a method in that each of them can be taken out of service independently, allowing the operation of the rest of the means for injection under air pressure without paralyzing the system. For this, in a preferred embodiment, in the equipment according to the invention, the opening and closing valves are located between clamp connections, formed by a gasket, connection bushing and clamp, installed between fluid cut-off elements, such as ball.
    [0113]
    [0114] Advantageously, the pumping system is operated with a pressure of the pressurized air system between 3 and 6 bar in order to guarantee the effective operation of the seat valve that allows the passage of air.
    [0115]
    [0116] The compressed air used in the pumping system must be free of impurities such as humidity, oils and particles in suspension, therefore purified air (for food use) can be used directly or the process according to the invention can include a purification step of the air.
    [0117]
    [0118] When gas supplied by a compressor is used, the equipment will include filters at the outlet of said compressor to remove moisture, oils and suspended particles from the compressed air.
    [0119]
    [0120] Both the procedure and the equipment according to the invention can be controlled by means of a microprocessor type PC, PLC or similar, which performs all the operations in an automated way based on predetermined or user-selected values.
    [0121]
    [0122] Description of the figures
    [0123]
    [0124] To complement the description that is being made and in order to help the perfect understanding of the present invention, a set of figures is included as an integral part of said description, where, by way of illustration and not limitation, the following has been represented :
    [0125] Figures 1 and 2 show a general diagram in elevation and plan, respectively, of a pressure injection equipment for air or other gases in a controlled manner in vinification tanks for carrying out pump-overs according to the invention.
    [0126]
    [0127] Figure 3 shows an air pressure injection equipment according to the invention installed in a self-emptying tank.
    [0128]
    [0129] Figures 4 and 5 show an air pressure injection equipment according to the invention installed in a flat bottom tank on legs.
    [0130]
    [0131] Figures 6, 7 and 8 show an air pressure injection equipment according to the invention installed in a horizontal flat-bottom tank on a bed.
    [0132]
    [0133] Figures 9, 10 and 11 show an air pressure injection equipment according to the invention installed in a flat bottom tank inclined on a bed.
    [0134]
    [0135] Figure 12 shows an exploded view of the assembly of the opening and closing valves (7) of the compressed air distribution circuit for the air pressure injection equipment according to the invention.
    [0136]
    [0137] Preferred forms of implementation.
    [0138]
    [0139] To complete the description that is being carried out and in order to help a better understanding of its characteristics, the present descriptive memory is accompanied by several specific examples of realization of systems for the injection of air or other gases under controlled pressure. in winemaking tanks according to the invention. These examples are provided by way of illustration, and are not intended to be limiting of the present invention. Furthermore, the present invention covers all possible combinations of particular and preferred embodiments indicated herein.
    [0140]
    [0141] Figures 1 and 2 show a general diagram in elevation and plan, respectively, of a pressure injection equipment for air or other gases in a controlled manner in vinification tanks for carrying out pump-overs according to the invention. In the winemaking tank (1), during the winemaking process, the hat (2) is formed. To break it, the means for injection under air pressure, diffusers (4a, 4b) they inject air (3) into the tank simultaneously affecting at least two regions of the hat during the operation of the system. The diffusers (4a, 4b, 5a, 5b) are located at the bottom of the tank at a different height or level (h 1 , h 2 , h3, h4), so the pressure and beam opening conditions in each injection are different. In this way, the hat (2) is subjected to a plastic deformation that produces the efficient breaking of said hat and maximizes the extraction of polyphenolic and aromatic compounds.
    [0142]
    [0143] The diffusers (4a, 4b, 5a, 5b) are located between the compressed air distribution circuit (8) and the interior of the tank (1).
    [0144]
    [0145] The actuation times of the diffusers (4a, 4b, 5a, 5b) are controlled by a microprocessor (30), in which the values of the times are varied by the user of the pump-back system.
    [0146]
    [0147] As seen in figure 2, the opening and closing valves (7) of the compressed air distribution circuit (8) act simultaneously on a pair of diffusers (4a, 4b, 5a, 5b) and are actuated, through the corresponding control circuits (9), from the solenoid valves or control valves (10) installed in the control box or central control valve (11).
    [0148]
    [0149] Taking up the description of figure 1, the air is supplied by the compressor (12) that incorporates filters (13) at the outlet of said compressor and the compressed air distribution circuit (8) includes a water intake (14) for cleaning the diffusers (4a, 4b, 5a, 5b) once the pumping over of the harvest processed in the tank (1) has finished.
    [0150]
    [0151] Example 1 : Self- emptying tank
    [0152]
    [0153] Figure 3 shows an air pressure injection equipment according to the invention installed in a self-emptying tank (1).
    [0154]
    [0155] The means for the injection under air pressure, diffusers (4a, 4b, 5a, 5b), inject air (3) into the tank simultaneously affecting at least two regions of the hat during the operation of the system and are located in the conical tank bottom (1) at different height or level, so the pressure and beam opening conditions in each injection are different.
    [0156]
    [0157] Example 2: Flat bottom tank on legs .
    [0158]
    [0159] Figures 4 and 5 show an air pressure injection equipment according to the invention installed in a flat-bottomed tank (15) with legs.
    [0160]
    [0161] The means for the injection under air pressure, diffusers (4a, 4b, 4c), represented in figure 4. inject air into the tank, simultaneously affecting at least two regions of the hat during the operation of the system and are located in the flat bottom of the tank (15) at a different height or level, so that the pressure and beam opening conditions in each injection are different.
    [0162]
    [0163] As seen in figure 5, the means for the injection of air pressure, diffusers (4a, 4b, 4c) are located between the compressed air distribution circuit (8) and the wall (16) of the tank.
    [0164]
    [0165] Example 3 . Horizontal flat bottom tank on bed.
    [0166]
    [0167] Figures 6, 7 and 8 show an air pressure injection equipment according to the invention installed in a tank (17) with a flat horizontal bottom on a bed (18).
    [0168]
    [0169] The means for the injection under air pressure, diffusers (4a, 4b, 5a, 5b, 5c), inject air (3) into the tank simultaneously affecting at least two regions of the hat during the operation of the system and are located in the tank wall (17) at a different height or level as seen in Figures 6 and 7, so that the pressure and beam opening conditions in each injection are different.
    [0170]
    [0171] As seen in figure 8, the means for the injection under air pressure, diffusers (4a, 4b, 5a, 5b, 5c), are located between the compressed air distribution circuit (8) and the interior of the tank ( 17). Said diffusers are located at a different distance between the interior or end of the diffusers (4a, 4b, 5a, 5b, 5c), and the vertical axis of the tank (17) and, likewise, the diffusers (4a, 4b, 5a, 5b, 5c) are arranged asymmetrically in relation to the axes of the tank section (17).
    [0172] Example 4 . Flat bottom tank inclined on bed
    [0173]
    [0174] Figures 9, 10 and 11 show an air pressure injection equipment according to the invention installed in a tank (19) with a flat bottom inclined on a bed (20). The diffusers (4a, 4b, 5a, 5b, 6a, 6b) inject air (3) into the tank simultaneously affecting at least two regions of the hat during the operation of the system and are located on the wall of the tank (19) at different height or level as seen in Figures 9 and 10, so the pressure and beam opening conditions in each injection are different.
    [0175]
    [0176] As seen in figure 11, the means for the injection under air pressure, diffusers (4a, 4b, 5a, 5b, 6a, 6b), are located between the compressed air distribution circuit (8) and the interior of the tank (19). Said diffusers are located at a different distance between the interior or end of the diffusers (4a, 4b, 5a, 5b, 6a, 6b), and the vertical axis of the tank (19) and, likewise, the diffusers (4a, 4b, 5a, 5b, 6a, 6b) are arranged asymmetrically in relation to the axes of the tank section (19).
    [0177]
    [0178] In order to complete the description that is being carried out, embodiments of common characteristics are detailed below in addition to the embodiment examples described above.
    [0179]
    [0180] In order that the opening and closing valves (7) of the compressed air distribution circuit can be independently taken out of service, as shown in Figure 12, said valves (7) are placed between clamp connections formed by connection bushings (21), gasket (22) and clamp (23), installed between ball valves (24). Additionally, the compressed air distribution circuit includes upstream of the opening and closing valves (7), non-return valves (25) mounted between thread / gas junctions (26) and incorporating a thread / gas plug (27).
    [0181] Logically, the present invention is not limited in any way to the described and represented embodiments, but the technician will know how to make any variant or modification within the limits of the appended claims. In particular, the pumping system according to the invention can be installed in polygonal tanks on any number of sides.
    权利要求:
    Claims (8)
    [1]
    1. Vintage pump or similar that includes injector type diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) for the injection under pressure of air or other gases in a controlled manner in winemaking tanks (1, 15, 17, 19) with the gas outlets of the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) located at different heights or levels of the lower part of the tank that inject air, at least, two by two in the tank, simultaneously affecting at least two regions of the hat (2) during the operation of the system characterized in that the compressed air distribution circuit (8) that supplies the diffusers (4a, 4b, 5a, 5b) is located outside the tank.
    [2]
    Harvester of the grape harvest or similar according to the preceding claim, characterized in that the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) have different degrees of penetration into the interior of the tank.
    [3]
    3. Vintage pump or similar according to any one of the preceding claims, characterized in that the gas outlets of the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) are located asymmetrically in relation to the axes of the tank section.
    [4]
    Harvest picker or the like according to any one of the preceding claims, characterized in that the actuation times of the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) can be controlled by a microprocessor (30) type PC, PLC or similar, in which the values of the actuation times are fixed or can be varied by the user of the pumping system within the indicated limits.
    [5]
    5. Vintage pump or similar according to any one of the preceding claims, characterized in that the control valves (10) that regulate the flow of the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) become independent of the compressed air distribution circuit (8) being installed in a control valve station (11) from which, through the corresponding control circuits (9), the opening and closing valves (7) are operated. ).
    [6]
    Harvester of the harvest or the like according to any one of the preceding claims, characterized in that the opening and The closure (7) are located between clamp connections, formed by connection bushings (21), gasket (22) and clamp (23), installed between ball valves (24).
    [7]
    Harvester of the harvest or the like according to any one of the preceding claims, characterized in that it comprises a compressor (12) that includes filters (13) at the outlet of said compressor to remove moisture, oils and suspended particles from the compressed air before its injection into the winemaking tanks (1, 15, 17, 19).
    [8]
    Harvester of the harvest or the like according to any one of claims 6 to 11, characterized in that the compressed air distribution circuit (8) includes a water intake (14) for cleaning the diffusers (4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b) once the pumping over of the harvest processed in the winemaking tanks is completed (1, 15, 17, 19).
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    同族专利:
    公开号 | 公开日
    ES2747427R1|2020-12-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2596410A2|1986-08-28|1987-10-02|Magyar Sa|Improvements made to methods and devices for vinification|
    IT1295976B1|1997-04-04|1999-05-28|Francesco Marin|FERMENTER TO BE USED, IN PARTICULAR, IN THE WINE INDUSTRY|
    AT5698U1|2001-11-23|2002-10-25|Hermann Boeck|DEVICE AND METHOD FOR MIXING LIQUID, TEMPERATURE AND / OR GIANT MEDIA|
    AU2004101059B4|2003-04-08|2005-04-14|Richard E Parks|Apparatus and method for gas induced mixing and agitating of a fermenting juice in a tank during vinification|
    EP2179664B1|2008-10-22|2013-09-04|Noform S.r.l.|Apparatus for the treatment of a vegetable product|
    AU2015356712B2|2014-12-02|2018-08-30|Parsec S.R.L.|Method and device for controlled air injection into a vinification tank|
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