• 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:
    Machine for heat exchange with an improved product. The present invention (fig 1), comprises a cylindrical tub (5), to contain the product to be treated; a heater core (12) for heating a product; at least one central surface scraper, which acts on the outer surface of the heater core (12) and the inner surface of the tank (5) and a lateral scraper blade (19), which acts on the base of the heater core (12) for avoid fouling deposits; cutting blades (20) together with a turning means (10) installed on the side of the tub (5) that allows to apply temperature to the product while the blades (20) are rotating and the central surface scrapers push the product towards the blades (twenty). In addition, the product tank (5) together with the heating core (12) and the shredder (10) is quickly removable and can be turned. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2596527A1
    申请号:ES201530969
    申请日:2015-07-06
    公开日:2017-01-10
    发明作者:Jesús Miguel PAGÁN DURÁN
    申请人:Aurum Process Tech S L；Aurum Process Technology SL；
    IPC主号:
    专利说明:

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    DESCRIPTION
    Machine for heat exchange with an improved product SECTOR OF THE TECHNIQUE
    The present invention belongs to the field of machines designed for heat exchange with a product. Said heat exchange includes for example heating or drying processes. The products may be both food, in a preferred embodiment, as well as any other type of products that must be heated. More particularly, the present invention relates to a tank equipped with a thermal transfer element in its interior to heat the product such that the ratio between the surface of the thermal transfer elements and the volume of the tank is maximum, replicating Thus, in the case of food treatment, non-industrial cooking. In addition it is equipped with a scraper device and it also functions as a mixing whose axis coincides with the axis of the tank. Finally, it includes a disposer, located on one side of the tank, which can work while applying temperature to the product. It should be noted that the product tank, together with the thermal transfer element and the disposer is quickly removable, interchangeable and can be rotated.
    BACKGROUND OF THE INVENTION
    The patent with publication number ES2333572 of the same applicant known as "Machine for heat exchange with a product" is known. This machine is formed by a product tank in which several thermal plates are presented inside, through which a heat transfer fluid circulates, placed parallel to the tank, along with a scraper device for the internal wall of the tank as well as the outer surface of the thermal plates.
    The drawback of this invention derives from the fact that it usually uses water vapor or superheated water as a heat transfer fluid, which makes it unfeasible in small-sized designs, since the cost of the energy generating system for the heat transfer fluid exceeds that of the machine. In these cases, the power generator requires a space greater than that of the invention itself, which is an insurmountable difficulty in facilities with limited space. This invention also does not include the option of shredding the product inside, something very necessary in the food industry, which would
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    An additional machine is required to perform this task. In this design, access to the scraper device is very complex, since the product tank is not easily removable.
    On the other hand there are crushing machines, which consist of a product tank in which blades are incorporated in its base that act on the product, which goes towards them by gravity.
    The disadvantage of these machines is that the product does not crush evenly since the scraper blades do not occupy the entire bottom of the tank and also, due to the centripetal force generated on the product, it tends to be placed on the tank walls. Nor can these machines apply temperature to the product while crushing occurs.
    EXPLANATION OF THE INVENTION
    The invention relates to a machine for heat exchange with a product comprising the following main elements:
    A cylindrical tank, to contain the product to be treated;
    A heating core located inside the tank, which emits thermal energy, which is cylindrically located horizontally, that is, parallel to a flat surface; and whose axis coincides with the axis of the tank for heat exchange with a product, and where the entire surface of the heating core in contact with the product is scratched; In addition, the core can incorporate a series of heating elements inside it, usually electrical resistors or a combustion flame generator.
    At least one pair of central scraper blades, although usually they will be three pairs equally spaced. Said pair of scraper blades can be positioned tightly between the outer wall of the heating core and the inner wall of the tank to be able to scratch the outer surface of the heating core and the inner surface of the tank and thus detach the adhered product, when performing a displacement along the perimeter of the core, driven by an electric motor whose axis is concentric with the tank.
    It is necessary to clarify that the term scraped surface refers to the ability to scratch said surface by the pair of central scraper blades.
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    As additional elements, the machine for heat exchange with a product may comprise:
    A side scraper blade to scratch the base of the heater core that is inside the tank.
    - A first opening in which rotating cutter blades are actuated through a turning means, where the axis of rotation of the rotating cutting blades is perpendicular to the axis of the cylindrical tank, and where the heating core is configured to increase the temperature of the product housed inside the tank while the rotating cutting blades are in operation, so that said turning means may be associated with a grinding device installed on the side of the product bowl, formed by an electric motor whose axis, perpendicular to the axis of the tank, rotates said blades that are in contact with the product inside the tank.
    It is necessary to clarify that by heat exchange throughout the present invention all those processes in which a heat transfer to the product occurs will be included. It therefore includes heating, as well as drying or evaporation processes. With respect to the products to be treated, they will typically be food, in which the machine of the invention allows simulating traditional cooking since the relationship between heated area and volume of the bowl approximates traditional casseroles, but may also be applicable in any other products that need to be heated.
    As indicated, the tank has a cylindrical configuration. Where inside said tank another concentric cylinder of smaller diameter is located that houses inside the thermal energy generating core, together with a series of resistors, which provides heat to the product. Another preferred option for generating thermal energy is to introduce a combustion flame generator into the hollow interior of the heating core. Said cylindrical heating core has an axis of revolution that coincides with the axis of the tank for heat exchange with a product; this being a logical and intuitive spatial distribution for its correct functioning.
    This embodiment, although not the only one, is preferred given the possibility of use and existence of a scraper structure that rotates around the axis of the tank and has said pair of scraper blades; so that said scraper carrier structure is additionally constituted by a motor, located on one side of the tank, whose axis enters the tank and is concentric with it. The motor shaft is sealed by a closure
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    mechanic. This motor rotates the scraper-holder structure inside the tank.
    In a preferred embodiment, the option is contemplated in which, on the part of the motor shaft inside the tank, the lateral support of the scraper structure is fixed. The lateral support serves as an anchor for at least one, usually three, bars on which the pairs of the central scraper blades, located at 120 ° between them, which travel the space between the heating core and the tank, and whose edges are fixed, are fixed. they are in contact with the outer wall of the heater core as well as the inner wall of the tank
    Each pair of scraper blades is constructed in the form of a single piece in the form of flexible metal foil, defining a central surface scraper as such, thus understanding that in the case of three pairs of scraper blades, three central surface scrapers are available.
    In this way, the central surface scraper, which is external to the heating core, being able to have a relative rotation with respect to the core and the tank, can carry out the cleaning of the outer surface of the core as well as the inner surface of the tank, when this relative turning movement is performed.
    Said central surface scraper has been designed so that scratching can be carried out and therefore a cleaning of the product remains adhered to the surface that transmits the thermal energy. On the other hand, it allows stirring or stirring the product contained in the tank in the same way that a spoon, for example, does it in a casserole.
    It is also necessary to highlight the preferred option in which a lateral surface scraper is included to scratch the lateral surface of the heating core that is inside the tank. This scraper is formed by a side scraper blade anchored to the side support of the scraper holder structure. So that said, at least one, side scraper blade has the mission of scratching the outer side surface of the heating core that is inside the tank and where said blade is fixed on the scraper holder structure.
    In relation to how to proceed with the coupling of the crushing device, the possibility is contemplated in which a hole is made on the side of the tank to install the crushing device, which is formed by a motor whose axis is perpendicular to the axis of the tank. The rotating cutter blades that act on the motor shaft are installed on the motor shaft
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    the product inside the tank, when it is in the crushing position. Said position consists in turning the bowl until the crushing motor is at the bottom.
    The product tank is supported on a frame by means of a connection fixed on one of the bases, in particular the base by which the rotary movement is transmitted to the scrapers by an external motor.
    This connection allows the rotation of the product tank. Thus, in a first position, and through an opening made in the outer surface of the tank, the food or product to be treated can be introduced. In order to crush the product, the tank is turned, with the lid on, to a second position in which the crushing motor is at the bottom. Once the food or product has been treated, the tank can be rotated and positioned to a third position, so that after removing the lid, the treated food or product can be unloaded from the tank through the same opening previously mentioned .
    The product tank can be completely removed, with the exception of the base that is anchored to the frame, together with the heating core and the grinder. For this, a series of guide bars are used, usually four, which are fixed perpendicular to the base of the tank that is anchored to the frame. In this way, by means of a longitudinal movement in the direction of the guide bars, the product tank can be removed.
    To avoid the inconvenience of the need for an external power generator, this invention features a machine in which the power generator is incorporated in the same machine, using electrical resistors housed in the core of the product tank or by means of a generator of combustion flame in the hollow interior of the heater core.
    The efficiency of the crushing is also improved by the effect of the central surface scrapers, which are responsible for making the whole product pass through the area where the crusher is located, and causing the product to be deposited on the walls from the tank return to the area of the crushing blades, increasing the efficiency of the crushing. It should be mentioned that the agitation on the horizontal axis is much more effective than the agitation on the vertical axis, when the entire mass is displaced by the flipping movement.
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    It is especially noteworthy that the result achieved when crushing on the same machine in which the heating is carried out exceeds the result achieved by performing the processes separately, since in this way you can continue applying temperature to the product while crushing, something which is not possible if a heating machine is used whose product is driven to an external crusher that returns to the heating machine.
    Being able to grind while applying temperature, cooking is facilitated, which shortens the process times, while improving the melting of the mixture.
    Another advantage provided by the crusher inside the tank is that obtained when cleaning the equipment, since the crusher acts by driving the cleaning solution towards the walls at high speed, improving the result achieved by surface scrapers.
    Finally, it should be noted that this design allows a quick and easy disassembly of the structure formed by the product bowl together with the heating core and the grinder, which allows a quick inspection of the condition of the scraper blades as well as a simple change of these.
    BRIEF DESCRIPTION OF THE DRAWINGS
    To complement the description that is being made, and in order to help a better understanding of the features of the invention, according to a preferred example of practical realization thereof, a series of figures are attached as an integral part of said description. where for illustrative and non-limiting purposes, the following has been represented:
    Figure 1 shows a schematic perspective view of the machine for heat exchange with a product on the frame and in loading position.
    Figure 2.- Shows a sectional view of the machine for heat exchange with a product in the loading position in which the interior of the tank as well as the interior of the heating core can be seen.
    Figure 3.- Shows a view of the interior of the product tank in which the
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    External surface of this to show the scraper structure and the heating core.
    Figure 4.- Shows a complete view of the scraper structure.
    Figure 5.- Shows a sectional view of the machine for heat exchange with a product in the crushing position and in which the crushing device can be seen in detail.
    Figure 6.- Shows a sectional view of the machine for heat exchange with a product in the product discharge position.
    Figure 7 shows a side view of the heat exchange machine where it has moved longitudinally, following the guide bars, the block formed by the product tank, the heating core and the shredder with respect to the base of the bowl of product that remains anchored to the frame.
    PREFERRED EMBODIMENT OF THE INVENTION
    Next, with reference to Figures 1 to 7, a preferred embodiment of the machine for heat exchange with a product that is the object of this invention is described.
    Figure 1 shows a perspective view of the machine installed on a frame (1). The main elements that are visible, such as the product tank (5), the motor of the scraper structure (4), the motor of the crushing device (10), the hole for loading the tank (8) ), the anchor point (2) of the base of the product tank (5) to the frame (1) together with the swivel sleeve (3) of the product tank, one of the two rotation handles of the tank of product (9) and guide rods (11) for disassembly of the product tank.
    The product tank (5) has a cylindrical configuration and is formed by a first end called base (6), a second end (7) and an outer surface. It is worth mentioning that the tank is placed on a frame (1) using an anchor point (2) on which a turning bushing (3) is attached, which in turn is connected to one of the bases (6) of the tank (5). The product tank (5) includes two handles (9) in order to rotate the tank. During each process, the tank remains locked by a turning brake (22) that blocks the position of the tank (5) with respect to the frame (1) as can also be seen in
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    Figure 1
    Figure 2 shows how the tank (5) has an opening (8) that allows access to the inside of the tank and remains closed by means of a threaded cover during the thermal process. In the position shown in Figure 2, the tank (5) can be filled with food or product to be treated from a supply point located above the tank.
    The heating core (12) is in the center of the product bowl (5) concentrically. Inside it houses a source of thermal energy, which will be electrical resistors (14) housed in housings (13) that run longitudinally through the heating core. The power supply cables of the resistors (14) inside are introduced through the base of the heating core (12) that is towards the outside of the tank (5). This would be a way of providing heat in a preferred embodiment, however the electric resistors and their housings can also be replaced by a flame generator inside the heating core (12) and no other heat source is discarded.
    Figure 3 shows a detailed view of the inside of the tank (5) of the machine, in which the outer surface of the machine has been hidden. The product tank (5) has a cylindrical configuration whose axis will also coincide with the axis of the heating core (12), with the axis of the lateral support of the scraper-holder structure (18) and with the motor axis (4) which drives the scraper holder structure (18).
    As can be seen in figures 3 and 4, the scraper structure is formed by a motor (4) whose axis enters the product tank (5) and is sealed by a mechanical seal. The lateral support of the scraper-holder structure (18) is placed on said axis, which serves as an anchor for three equally distributed central surface scrapers, at 120 ° each; and a side scraper blade (19) of the heater core (12).
    In the embodiment shown, it can be seen that each surface scraper is in the form of a flexible metal sheet and that there are three different forms of central surface scrapers, in order to cover the entire outer surface of the heating core. The first type of central surface scraper (23) has a "T" shape with the vertical part shifted to the right, where the upper horizontal part would correspond to the outer blade (15) that scratches the inner surface of the product bowl. lower end of the vertical part
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    corresponds to the inner blade (16) that scratches a part of the outer surface of the heating core. The second type of central surface scraper (25) also has a "T" shape, but the vertical part is shifted to the left, so that it scratches the adjacent part of the outer surface of the heating core. The third type of central surface scraper (24) has a double "T" shape, that is, it has two vertical "TT" parts that scratch the ends of the outer surface of the heating core. Thus, all the inner blades (16) scratch the entire outer surface of the heater core (12).
    Each central surface scraper is fixed to a bar (17) which in turn is perpendicularly attached to the scraper holder structure (18). The side surface scraper of the heating core is formed by a side scraper blade (19).
    As can be seen in figures 3 and 4, in which the cylindrical surface of the product tank (5) has been hidden, leaving the inside of said tank (5) in view, the central scraper blades corresponding to the outer blades (15) and interiors (16) move through the space between the heating core (12) and the internal cylindrical surface of the tank (5), by rotating the scraper structure driven by the motor (4). It can be seen how the outer scraper blades (15) and inner scrapers (16) are in contact with the outer surface of the heating core (12) and the inner surface of the bowl (5) and how the lateral scraper blade (19) runs along the entire heater core base (12) in order to avoid fouling deposits.
    Figure 5 shows the machine in the crushing position, where it is appreciated that the crushing motor (10) is at the bottom. To reach this position from the loading position, the cover must be placed in the hole for loading the tank (8) of the tank (5), the turning brake (22) that blocks the position of the tank must be disengaged the tank (5) with respect to the frame (1). Next, the turning handles (9) are counterclockwise, until the crushing motor (10) is at the bottom of the bowl (5), so that the product go by gravity to where the cutting blades (20) are located. In addition, the action of the outer scraper blades (15) causes the entire product to go to the cutting blades (20).
    Figure 6 shows the final position of the product or food treatment process. Starting from the position in which the hole for loading the tank (8) is at the top, the cover is removed, the turning brake (22) is disengaged and the turning handles (9) are actuated in clockwise, until the hole for loading the tank (8)
    it is oriented in the lower position, so that there is a discharge of the product inside the tank (5) on a container or tray. Product discharge is aided by the movement of the outer scraper blades (15). The tank (5) can be left fixed in this position by attaching the turning brake (22), in order to prevent movement thereof during the unloading operation.
    In order to facilitate the transit of the product or food from the bowl (5) to the container or tray, a channeling system (26) may be added to the machine, so that losses or losses in the unloading process are minimized . Said channeling system (26) 10 may be, for example, a ramp.
    Figure 7 shows how the product bowl (5) with the exception of the base (6) that remains anchored to the frame (2), together with the heating core (12) and the crusher (10) can move longitudinally in the direction of the guide bars (11) with which the structure of the scrapers is accessible.
    In view of this description and set of figures, the person skilled in the art will be able to understand that the embodiments of the invention that have been described can be combined in multiple ways within the scope of the invention. The invention has been described according to some preferred embodiments thereof, but it will be apparent to the person skilled in the art that multiple variations can be introduced in said preferred embodiments without exceeding the object of the claimed invention.
    权利要求:
    Claims (12)
    [1]
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    1. Heat exchange machine with a product housed inside, where said machine comprises a cylindrical tank (5), a heating core (12), and at least one pair of central scraper blades; and being characterized in that the heating core (12) is cylindrically located horizontally and whose axis coincides with the axis of the tank (5) for heat exchange with a product, the entire surface of the heating core in contact with the The product is scratched and the scraper blades are shaped like a flexible metal sheet.
    [2]
    2. Heat exchange machine with a product according to claim 1, characterized in that the heating core (12) has a series of cylindrical holes (13) in which electrical resistors (14) configured to increase the temperature are introduced of the product.
    [3]
    3. Heat exchange machine with a product according to claim 1, characterized in that the heating core (12) is hollow inside and can accommodate a flame generator to directly receive heat from combustion inside.
    [4]
    4. Machine for heat exchange with a product according to any of the preceding claims, characterized in that the tank (5) comprises a first opening (21) in which rotating cutting blades (20) are located driven through a turning means (10), where the axis of rotation of the rotating cutting blades (20) is perpendicular to the axis of the cylindrical tank (5), and where the heating core (12) is configured to increase the temperature of the product housed in the inside of the tank (5) while the rotating cutting blades (20) are in operation.
    [5]
    5. Heat exchange machine with a product according to claim 4, characterized in that the tank (5) comprises a second opening (8) for loading and unloading the product.
    [6]
    6. Heat exchange machine with a product according to claim 4, characterized in that the first opening (21) is orthogonally located with respect to the second opening (8); and both located on the periphery of the cylindrical tank (5).
    [7]
    7. Machine for heat exchange with a product according to any of the
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    previous claims, characterized in that the set of entities formed by:
    - the block formed by the product tank (5) with the exception of the base (6) that is fixed to a frame,
    - the heating core (12) and
    - the crushing device (10) of the machine,
    it is removable with respect to said frame along guide bars (11).
    [8]
    8. Machine for heat exchange with a product according to any of the preceding claims, characterized in that it includes at least one central surface scraper in the form of a flexible metal sheet composed in turn by an outer scraper blade (15) and a scraper blade interior (16), whose mission is to scratch the outer surface of the heating core (12) as well as the inner surface of the tank (5); and said central surface scraper is fixed on a bar (17) which in turn is fixed perpendicularly on a scratch-holder structure (18) which in turn is fixed perpendicularly on the motor shaft (4) which rotates all the structure.
    [9]
    9. Heat exchange machine with a product according to claim 8, characterized in that it comprises three central surface scrapers 120 ° apart from each other and installed perpendicularly on the scraper holder structure (18).
    [10]
    10. Machine for heat exchange with a product according to any of the preceding claims, characterized in that it includes at least one side scraper blade (19) in the form of a flexible metal sheet, whose mission is to scratch the outer lateral surface of the heating core ( 12) remaining inside the bowl (5) and where said blade is fixed on the scraper-holder structure (18).
    [11]
    11. Machine for heat exchange with a product according to any of the preceding claims, characterized in that it comprises means for rotating the cylindrical tank (5) around its axis, which comprise a rotating sleeve (3) configured to allow the rotation of the tank (5) on its axis manually by means of turning handles (9).
    [12]
    12. Heat exchange machine with a product according to any of the preceding claims, characterized in that the product is a food.
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    US763936A|1904-06-28|Sterilizer.
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    同族专利:
    公开号 | 公开日
    ES2596527B1|2017-10-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3495951A|1966-08-27|1970-02-17|Shionogi Seiyaku Kk|Screw reactor|
    US3628602A|1970-07-13|1971-12-21|Manning S Inc|Processing apparatus|
    US4126177A|1977-03-10|1978-11-21|Chemetron Corporation|Dual scraped surface heat exchanger|
    US5228503A|1991-05-17|1993-07-20|Smith Douglas W P|High viscous fluid heat exchanger|
    WO2012125586A2|2011-03-11|2012-09-20|Blentech Corporation|Multi-surface heat exchange with vacuum capability and magnetic scrapers|WO2021123464A1|2019-12-18|2021-06-24|Aurum Process Technology, S.L.|Heat exchange device|
    法律状态:
    2017-10-18| FG2A| Definitive protection|Ref document number: 2596527 Country of ref document: ES Kind code of ref document: B1 Effective date: 20171018 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201530969A|ES2596527B1|2015-07-06|2015-07-06|Heat exchange machine with an improved product|ES201530969A| ES2596527B1|2015-07-06|2015-07-06|Heat exchange machine with an improved product|
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