• 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:
    Lifting system for reservoir. System comprising: a lifting elastic cover configured to cover a reservoir, defining an interior area between said reservoir and said cover; an anchoring mechanism configured to fix the cover to the crown perimeter of the reservoir; a set of floating elements arranged in the cover, configured to maintain said cover on the surface of the liquid contained in the cavity of the reservoir; counterweight elements arranged in the lifting elastic cover, configured to maintain said cover floating and flat with respect to the liquid contained in the cavity of the reservoir; and gas exchange means linked to the cover, which are connected to the interior zone, configured to establish a flow of gas circulation between said interior zone and the exterior of the reservoir. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2657891A1
    申请号:ES201730575
    申请日:2017-12-11
    公开日:2018-03-07
    发明作者:Manuel MORENO CABRERA
    申请人:Manuel MORENO CABRERA；
    IPC主号:
    专利说明:

    ELEVABLE COVERING SYSTEM FOR PACKING
    TECHNICAL FIELD OF THE INVENTION
    The present invention refers to coatings for liquid reservoirs, inparticularly those coatings that are of the floating type and that move vertically toas the liquid level changes or when pressure air is injected whilemanage the interactions of said liquid or air with the outside, preventing evaporationof the liquids contained in the reservoir, such coatings being able to withstand
    10 structures on the outer surface.
    STATE OF THE TECHNIQUE
    Large reservoirs of liquid or reservoirs are known to store large
    15 bodies of liquid, the liquid being stored water or contaminated liquids. In such reservoirs there are problems such as evaporation and / or contamination of liquids.
    One solution to this problem is to build a rigid lift deck
    20 separated above the reservoir, however this is expensive and does not provide sufficient flexibility to adapt to a possible expansion in the reservoir capacity. Alternatively, elevable coatings that float on the surface of the liquid contained in the reservoir can be implemented to cover reservoirs such as reservoirs, ponds, ponds, rafts, etc., to prevent evaporation, avoid contamination of the
    25 water, capture the gas produced by the water or reduce odors. The elevable coatings have discrete floats secured to a lower surface thereof, which provide flotation so that the entire coating remains above
    or at the same level as the reservoir liquid, the flotation being sufficient to hold loads such as those generated by rain or snow. Usually provided
    30 means of draining the cover, in which the excess liquid deposited on said cover is drained through a pump either towards the reservoir or out of the cover.
    A difficulty associated with floating housings is related to the
    35 anchoring it to the coronation of the reservoir so that the variation in the liquid level can be compensated for by the lifting coating without incurring a low


    tension or excessive tension in said coating that can generate wrinkles or unwanted folds, which in time and due to cyclic loads result in a fatigue of the material and the consequent breakage thereof.
    5 Another difficulty encountered in floating housings is the absence of mechanisms that allow the evacuation of gases that, depending on the stored liquid, can accumulate between the reservoir and the lining, which could cause a failure in it.
    10 Another drawback presented by known floating housings is the ability to provide a resealable access that allows access to the interior area to perform tasks such as maintenance, sampling of stored liquid, etc.
    Several devices and designs have been used for lifting coatings that make
    15 part of what is already known in the art such as US 3,815,367 and CA2941453, without fully resolving the difficulties described above.
    Therefore, it is evident the need to provide a coating or coating system for a reservoir whereby inconveniences or difficulties are overcome
    20 mentioned above.
    DESCRIPTION
    To solve the need found the present invention provides a system of
    25 lifting cover intended to be placed in a reservoir capable of containing a liquid.
    As is already known, a reservoir typically comprises a cavity excavated in a land configured to contain a liquid, said cavity defining a bottom wall,
    30 side walls and a crowning end opposite the bottom wall, the cavity being covered with a coating material.
    Therefore, the object of the invention is to provide an elevable cover system comprising an elevable elastic cover configured to cover the reservoir, and defining an interior area between said reservoir and said elevable elastic cover; an anchoring mechanism configured to fix the lifting elastic cover to the crowning end of the


    reservoir; a set of floating elements arranged in the elevable elastic cover and configured to maintain said elastic elevation cover on the surface of a liquid contained in the reservoir cavity; Counterweight elements arranged in the elevable elastic cover and configured to keep said elastic cover floating, flat and straight with respect to the liquid contained in the reservoir cavity; and means for exchanging gases linked to the elevable elastic cover and fluidly connected with the inner zone and being configured to establish a flow of gas circulation with said inner zone.
    Alternatively, the coating system comprises at least one access mouth provided in the elevable elastic cover configured to allow access to the interior area.
    In other alternative embodiments, the coating system comprises at least one structure coupled to the lifting elastic cover, and comprises at least one fan configured to engage said at least structure and to blow air into the inner zone.
    Alternatively, the anchoring mechanism of the coating system comprises a ditch arranged adjacent to the crowning end of the reservoir and towards the outside of the cavity, and a concrete body configured to fit in the trench; where a portion of the coating material of the reservoir cavity is disposed in the trench, a portion of the elevable elastic cover is disposed in the trench, and where the concrete body is embedded in the trench to ensure the elevable elastic cover and the coating material of the reservoir cavity.
    In other embodiments of the coating system, the exchange means comprises at least one elongated tubular element disposed at the crowning end and partially wrapped by the lifting elastic cover, where the elongated tubular element comprises grooves distributed along extension configured to fluidly connect the inner zone (4 ') with the elongated tubular element and aerator elements in fluid communication with the elongated tubular element through a tubular element.
    In alternative embodiments of the coating system, the counterweight elements comprise at least one elongated tubular body coupled to the elevable elastic cover, the elongated tubular body being provided to be filled with a mineral material.


    In even more alternative embodiments of the lift coating system, the lift elastic cover is manufactured from a PVDF material and further comprises an exterior surface facing outwards; and an interior surface configured to
    5 Contact the liquid contained in the reservoir at a height defined by a surface level line of the liquid and keep in contact with it when the liquid changes level.
    One of the advantages of the coating system of the present invention relates to
    10 the anchoring mechanism since it allows to effectively retain the lifting elastic cover in position with respect to the crowning end of the reservoir, avoiding unwanted displacements thereof as it changes in height based on the stored liquid.
    Another advantage obtained by the present invention is the ability to evacuate the accumulated gases in the inner area of the reservoir covered with the elastic cover liftable through means of exchanging gases with the outside operatively connected with the interior of the reservoir.
    Another advantage obtained with the invention consists in the reduction of the evaporation of the stored liquid up to 100% compared to discovered reservoirs, which in turn influences the decrease in the concentration of salts in water while maintaining the temperature Of the same.
    25 Another additional advantage of the present lifting system is that it prevents contamination, odors and eutrophication (algal growth), eliminating mosquitoes and other insects. The coating system prevents the mixing of contaminated water with rainwater, and the latter can be recovered for cleaning and irrigation.
    Other advantages provided by the invention consist in its high durability over time, which results in a reduction of the aging of the coating material of the reservoir cavity. The lift coating system is easily adaptable to any type of reservoir, requiring a minimum civil work for its implementation, with minimal maintenance.


    BRIEF DESCRIPTION OF THE FIGURES
    The foregoing and other advantages and features will be more fully understood from the following detailed description of some embodiments with reference to the attached drawings, which should be considered by way of illustration and not limitation, in which:
    - Fig. 1 is a view of a reservoir that stores a liquid inside.
    - Fig. 2 is a view of the reservoir coated with the coating system
    of the present invention.
    - Fig. 3A is a sectional elevation view of the reservoir
    - Fig. 3B is an elevational view of the lift coating system arranged in
    the reservoir.
    - Fig. 3C is an elevation view in which it can be seen that the cavity of the
    reservoir has been filled with a liquid and the lifting system is
    deployed in the reservoir
    - Fig. 4 is a view of the lifting elastic cover in which water from
    rain accumulated in it.
    Fig. 5 is a sectional elevation view of the reservoir with detail of the end of
    coronation where the anchoring mechanism and the extraction means of
    gas.
    DETAILED DESCRIPTION OF AN EXAMPLE OF EMBODIMENT
    In the following detailed description numerous specific details are set forth in the form of examples to provide a thorough understanding of the relevant teachings. However, it will be apparent to those skilled in the art that the present teachings can be implemented without such details.
    As can be seen in Figures 1 to 5, the present invention provides a lifting system (1) intended to be arranged in a reservoir (2) capable of containing a liquid (L).
    According to Figures 1, 3A to 3C and 5, the reservoir (2) corresponds to those widely known within the state of the art, which are arranged or constructed, preferably excavated, suitably in a field (T), forming a cavity (3) configured to store a liquid (L) inside. To avoid


    leaks to the ground, on the inside surface of the cavity (3) of the reservoir (2), that is to say on a bottom wall (3A), on side walls (3B), even at a crowning end (3C) It has a coating material (3D), this material being chosen among those that are known within the state of the art, such as a geomembrane. On the other hand, the crowning end (3C) is mainly constituted by loose materials and earth from the excavation when the cavity is formed (3)
    On the other hand, and as seen in Figures 1 to 3, the liquid (L) contained in the reservoir
    (2) defines a free surface (SL) that is initially open to the atmosphere. The lifting elastic cover (4) is arranged on the free surface (SL), to cover said reservoir (2), anchoring said elevable elastic cover (4) to the crowning end (3C) of said reservoir (2).
    It should be noted that, as generally the reservoir (2) is already disposed by default on the ground (T) with its particular dimensions, the lifting system (1) of the present invention is configured to adapt to any reservoir (2 ), regardless of its size and shape.
    As taught by Figures 2, 3A to 3C and 5, the lifting system comprises a lifting elastic cover (4) formed from a sheet or sheet and defining an outer surface (4A) facing outward , that is, contrary to where the stored liquid is located, and an inner surface (4B) oriented towards the liquid (L) contained in the cavity (3) of the reservoir (1). Said inner surface (4B) is in contact with the free surface (SL) of the liquid (L) at a height defined by the line of free surface level (SL) of the liquid (L) and is kept in contact with it. when the liquid
    (L) change level. Preferably, the sheet or sheet that forms the lifting elastic cover (4) is made from an elastic material such as a geomembrane material that is chosen from a PVDF (Vinylidene Polyfluoride) material.
    Additionally, the outer surface (4A) can be covered with an EVA type foam rubber material whose function is to increase the temperature of the lifting elastic cover (4) by absorption of solar radiation which increases the evaporation of the liquid that has been deposited on the surface outside (4A), such as rainwater.
    As can be seen in Figure 5, the lifting elastic cover (4) is anchored at the crowning end (3C) of the cavity (3) of the reservoir (2) by a mechanism of


    anchor (5) comprising a ditch (5A) arranged adjacent to the crowning end (3C) of the cavity (3) of the reservoir (2) and towards the outside of the cavity (3). In said ditch (5A) the ends of the coating material (3D) of the cavity (3) of the reservoir are placed
    (2) and the ends of the lifting elastic cover (4) and a concrete body (5B) configured to fit in the trench (5A). The function of the concrete body (5B) is to clamp in the trench (5A) the covering material (3D) and the lifting elastic cover (4) to keep it fixed with respect to the crowning end (3C) and preventing the elastic cover lift (4) moves from the anchor as a result of the oscillation of the level of the liquid stored in the reservoir (2), or as a result of the elevation of the lifting elastic cover (4) when air is injected into the inner zone (4 ') , keeping it in position with respect to the reservoir (2).
    In embodiments not shown, the lifting elastic cover (4) may comprise a set of folding lines defined on the surface of the lifting elastic cover (4). Said set of folding lines are lines where the sheet that forms the lifting elastic cover (4) is folded according to the height of said cover (4) and preferably formed around the counterweight elements (7).
    On the other hand, to ensure that the lifting elastic cover (4) follows the line of the free surface (SL) of the liquid (L), when it changes in level, a set of floating elements (6) are arranged therein, arranged in and oriented towards the outer surface (4A) of said lifting elastic cover (4), as can be seen in Figures 3B and 3C. The set of floating elements (6) are joined and integrated into the lifting elastic cover (4) by welding. In preferred embodiments of the invention, the set of floating elements (6) is manufactured from a high density non-water absorbent polypropylene material, in variable form of parallelepipeds, coated with PVDF sheet and heat sealed to the floating coating.
    Working operatively with the set of floating elements (6), as shown in Figures 3B and 3C, counterweight elements (7) are arranged whose function is to adjust the lifting elastic cover (4) following the depth of the liquid (L) below it in order to keep it floating, flat and straight, regardless of the water level, thus avoiding unwanted creases or wrinkles. In preferred embodiments, the set of counterweight elements (7) comprises at least one elongated tubular body (7A) composed of a circular shaped PVDF sheet, filled with a mineral material such as sand, stones or the like, and has the function of priority save or sink the surplus of the


    lifting elastic cover (4) to tension it against the surface of the liquid (L).
    On the other hand and as seen in Figure 5, the gas exchange means (8) of the lifting system (1) comprise an elongated tubular element (8A) which is arranged at the crowning end (3C) and is partially wrapped by the lifting elastic cover (4). Said elongated tubular element (8A) comprises grooves (not shown) distributed along its length. The gas exchange means (8) also comprise tubular elements (8B) that are fluidly connected to the elongated tubular element (8A) and aerator elements (8C) fluidly connected to the tubular elements (8B), establishing fluid communication between the inner zone (4 ') and outside through said aerator elements (8C) passing through the tubular elements (8B) to the elongated tubular element (8A) through the grooves.
    In other embodiments not illustrated and, depending on the stored liquid, a set of polyethylene pipes for the circulation of contaminated gases, which communicates with the inner zone (4 ’), can be additionally available.
    The lifting system (1) comprises at least one access port (not shown) configured to allow access to the interior area (4 ’). Said access mouth is provided as a resealable opening in the elevable elastic cover (4) consisting of a hole of at least two meters in diameter, where the sealing of said opening is carried out with a heat-sealed industrial zipper to the elevable elastic cover (4 ). In order to perform inspection and maintenance work when the lifting system (1) is deployed in the reservoir (2) it is necessary to blow air into the inner area (4 ') to separate the lifting elastic cover (4) from the liquid and raise it, in this way a maintenance operator can access said interior area (4 ') through the access mouth to be able to perform the inspection and take samples of the stored liquid (L). After this, the access mouth is resealed and the air is evacuated.
    Additionally, in an embodiment not illustrated, and with the purpose of blowing air into the inner zone (4 ') at least one fan is attached that is attached to the lifting elastic cover (4) by at least one structure fixed to said cover ( 4). In preferable embodiments, the structure comprises a stainless steel plate-shaped structure protected in turn with a high density polypropylene foam. All coated with PVDF sheet and heat sealed to said lifting elastic cover (4).


    In figure 4 the rainwater (AL) that accumulates on the outer surface (4A) of the lifting elastic cover (4), which can be directed towards the inner area (4 ') or is schematically represented out of the reservoir (2). To accomplish this, in embodiments not illustrated, the lifting system (1) comprises means
    5 for the provision of rainwater comprising at least one pump for conducting rainwater (AL), at least one resealable opening in the lifting elastic cover (4) to allow the entry of rainwater (AL) into the inner zone (4 ') and a pipe in fluid connection with the pump and with the resealable opening.
    10 In another alternative embodiment not shown, it is possible that the lifting elastic cover
    (4) comprises a passable access roads, which are made by a polymer sheet with a rough non-slip surface, where said polymer sheet is heat sealed to the elevable elastic cover (4) and is configured to allow operators to transit through above the cover (4).
    Although the present description has been described with reference to one or more exemplary embodiments, it will be understood by those skilled in the art that several changes can be made and the equivalents can be replaced by elements thereof without departing from the scope of the present description. Additionally, many can be done
    20 modifications to adapt a particular situation or material to the teachings of this description without departing from its scope. Therefore, it is intended that the present description is not limited to the particular embodiment described as the best mode contemplated, but that the present description will include all embodiments that fall within the scope of the appended claims.

    权利要求:
    Claims (4)
    [1]
     REVIVICATIONS
    1. Lifting coating system (1) intended to be placed in a reservoir (2) capable
    containing a liquid (L), the lifting system (1) 5 being characterized in that it comprises:
    -a lift elastic cover (4) configured to cover the reservoir (2), and which definesan inner zone (4 ’) between said reservoir (2) and said elevable elastic cover (4);-an anchor mechanism (5) configured to fix the lifting elastic cover (4) to
    10 a crowning end (3C) of the reservoir (2); -a set of floating elements (6) coupled to the lifting elastic cover (4); -a counterweight elements (7) arranged in the lifting elastic cover (4); and -a gas exchange means (8) linked to the lifting elastic cover
    (4) and fluidly connected to the inner zone (4 ’).
    [2]
    2. Coating system according to claim 1 characterized in that it comprises at least one access mouth provided in the elevable elastic cover (4) configured to allow access to the interior area (4 ’).
    A coating system according to any one of claims 1 or 2, characterized in that it comprises at least one fan configured to be in fluid communication with the inner zone and configured to engage at least one structure that is coupled to the lifting elastic cover (4 ).
    4. Coating system according to any of the preceding claims wherein the anchoring mechanism (5) is characterized in that it comprises:
    - a ditch (5A) disposed adjacent to the crowning end (3C) of the cavity (3) of the reservoir (2) and towards the outside of said cavity (3); and 30 -a concrete body (5B) configured to fit in the trench (5A); where a portion of a coating material (3D) of the cavity (3) of the reservoir
    (2) is disposed in the trench (5A), a portion of the lifting elastic cover (4) is arranged in the trench (5A), and where the concrete body (5B) fits into the ditch (5A) to ensure the lifting elastic cover (4) and the coating material (3D) of the
    35 cavity (3) of the reservoir (2).

    [5]
    5. Coating system according to any of the preceding claims wherein the
    Gas exchange means (8) are characterized in that they comprise:
    5 - an elongated tubular element (8A) disposed at the crowning end (3C) and
    partially wrapped by the lifting elastic cover (4);
    -the elongated tubular element (8A) comprising grooves distributed along
    of its extension configured to fluidly connect the inner zone (4 ’) with the
    elongated tubular element (8A); Y
    10 -a few aerator elements (8C) in fluid communication with the tubular element
    elongated (8A) by means of tubular elements (8B).
    [6]
    6. Coating system according to any of the preceding claims wherein the
    Counterweight elements (7) include:
    fifteen
    -at least one elongated tubular body (7A) coupled to the lifting elastic cover
    (4), the elongated tubular body (7A) being provided to be filled with a material
    mineral.
    twenty 7.Coating system according to any of the preceding claims wherein the
    lifting elastic cover (4) is characterized in that it is made of a material of
    PDVF and because it includes:
    -a outer surface (4A) facing outwards;
    25 - an EVA foam rubber coating present on said outer surface
    (4A); Y
    -a interior surface (4B) capable of coming into contact with the liquid (L)
    content in the reservoir (2)


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    同族专利:
    公开号 | 公开日
    ES2657891B1|2018-10-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4503988A|1984-09-17|1985-03-12|Burke Industries, Inc.|Gas collecting tensioned reservoir cover|
    US5212090A|1991-01-31|1993-05-18|Robert Landine|Cover structure for a fermentation container|
    US5265976A|1991-09-02|1993-11-30|Melbourne Water Corporation|Cover for ponds|
    US20030066789A1|2001-10-05|2003-04-10|Agri Covers, Inc.|Covering systems and venting methods|
    US20150129590A1|2013-11-14|2015-05-14|Industrial & Environmental Concepts, Inc.|Cover Systems With Fusion Welds|
    CA2941453A1|2016-09-12|2016-11-09|Layfield Group Ltd.|Floating cover with structural supports|
    法律状态:
    2018-10-26| FG2A| Definitive protection|Ref document number: 2657891 Country of ref document: ES Kind code of ref document: B1 Effective date: 20181026 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730575A|ES2657891B1|2017-12-11|2017-12-11|Lifting coating system for reservoir.|ES201730575A| ES2657891B1|2017-12-11|2017-12-11|Lifting coating system for reservoir.|
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