• 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:
    Gravity foundation system for the installation of wind turbines or offshore installations and procedure for the installation of a wind turbine foundation system or offshore installations. The present invention refers to a gravity foundation system for the installation of wind turbines or offshore installations and to a procedure for the installation of a wind turbine foundation system or offshore installations that allow to significantly increase the stability of the system during transport and transportation. The placement of the ballast during its anchoring due to the presence of a vertical ring arranged in the lower drawer. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2593263A1
    申请号:ES201530794
    申请日:2015-06-05
    公开日:2016-12-07
    发明作者:Francisco Ballester Muñoz；Jokin Rico Arenal；Marina LLAMA VÉLEZ；Antón NAVARRO ARANDA；Cristina HEREDERO BUENO；César YANES BAONZA
    申请人:Iberdrola Renovables Energia SA；
    IPC主号:
    专利说明:

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    In this way, during the anchoring stage, the internal zone of the compartmentalized area of the lower drawer, the connecting section and the mast of the system remain partially or totally filled with air, thus providing buoyancy to the structure, essential characteristic which allows said stage to be carried out in safety conditions because the ballasting of the lower drawer is carried out in a controlled manner and that the air that is always present in the internal zone of the compartmentalized zone of the lower drawer, the section of connection and the mast of the system allows to carry out a controlled buoyancy of the system while
    10 is ballasting, as it provides a thrust that is counteracting the weight of the system. BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1 shows a perspective view of the gravity foundation system for the installation of wind turbines or offshore installations of the present invention.
    Figure 2 shows a plan view of the gravity foundation system for the installation of wind turbines or offshore installations of the present invention.
    Figure 3 shows a sectional view AA of Figure 2. PREFERRED EMBODIMENT OF THE INVENTION
    25 Next, the gravity foundation system for the installation of wind turbines or offshore installations comprising a lower drawer (1), a transition section (2) and a mast (3) that rests on said base will be described in detail transition section (2), where the mast (3) comprises a
    30 upper connecting piece (15) to carry out the coupling of a tower (not shown).
    The lower drawer (1) comprises a lower slab (4) and a compartmentalized area arranged on said lower slab (4), where the compartmentalized area comprises 35 compartments (5) that house the structure's ballast during transport
    8

    and / or in its final position, presenting the lower drawer (1) circular section in this preferred embodiment.
    The compartmentalized area of the lower drawer (1) comprises an outer zone (6) and a
    5 inner zone (7) delimited by a vertical wall (8), where the compartments (5) of the outer zone (6) are accessible from the upper part of the lower drawer (1) and where the compartments (5) of the zone Inside (7) are accessible from inside the mast (3) through the transition section (2).
    The lower drawer comprises an upper slab (9) that partially covers the outer zone (6) of the compartmentalized zone of the lower drawer (1), leaving a part of said outer zone (6) free for access to the compartments (5). ) for ballast entry. In addition, the upper slab (9) comprises an inner contour (10) and an outer contour (11), where a vertical ring (12) arranged from the inner contour (10)
    15 out of the bottom drawer (1).
    The lower drawer (1) comprises reinforcement ribs (13) extending from the lower slab (4) to an upper end (14) of the vertical ring (12).
    20 The transition section (2) connects the lower drawer (1) with the mast (3) and has a hollow conical shape, whose lower diameter coincides with the diameter of the inner zone
    (7) of the compartmentalized zone, and whose upper diameter coincides with the lower diameter of the mast (3) which also have a hollow conical shape, where the conicity of the transition section (2) is greater than the conicity of the mast (3).
    25
    The procedure for the installation of a wind turbine foundation system
    o Offshore facilities include the following stage:
    image7 a stage of anchorage of the foundation system by introducing ballast in at least the outer zone (6) of the compartmentalized area of the drawer
    30 lower (1) until the upper end (14) of the vertical ring (12) is arranged below the seawater level.
    In a first preferred embodiment, the method comprises a stage of transport of the foundation system where the upper slab (9) of the drawer
    35 lower (1) remains above sea water level.
    9
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    below seawater level, so that the inner area (7) of the lower drawer (1) and the transition section (2) provide the necessary thrust;
    image9 a funding subcap by introducing ballast in the area
    5 inside (7) of the compartmentalized area of the lower drawer (1), so that the inertia reduction in the water plane is attenuated due to the presence of the transition section (2), thus lowering the center of gravity of the gravity foundation system in a more controlled manner.
    10 In addition, prior to the procedure for the installation of a wind turbine foundation system or offshore facilities, the construction of the lower drawer (1) can be carried out. This construction of the lower drawer (1) can be carried out on land or in a floating drawer, using climbing formwork,
    15 self-climbing or sliding.
    After the construction of the lower drawer (1), flotation of the lower drawer (1) can be carried out followed by the construction on the lower drawer (1) of the transition section (2) and the mast (3). Optionally, the procedure comprises a
    20 stage of assembly of a tower and / or wind turbine after construction and flotation and before the transport stage of the foundation system.
    The transport stage of the foundation system can be carried out by tugs, with a freeboard such that the sea water level is maintained
    25 below the upper slab (9), where to control the flotation and stability of the lower drawer (1) during this stage and the subsequent said transport stage comprises a ballast introduction sub-stage in the outer zone (6) of the compartmentalized area of the lower drawer (1).
    30 The funding stage of the foundation system is carried out with the assistance of an auxiliary vessel or conventional vessels that allow the system stability to be monitored at all times.
    eleven
    权利要求:
    Claims (1)
    [1]
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     a funding subcap by introducing ballast in the inner zone
    (7) of the compartmentalized area of the lower drawer (1).
    fifteen
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    同族专利:
    公开号 | 公开日
    ES2593263B1|2017-09-12|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3738113A|1971-10-14|1973-06-12|Chicago Bridge & Iron Co|Offshore oil storage structure with submergence shell|
    WO2010019050A1|2008-08-14|2010-02-18|Dr. Techn. Olav Olsen As|Foundation for an offshore wind turbine generator and method of constructing and installing the foundation|
    US20110158750A1|2008-09-05|2011-06-30|Max Bogl Bauunternehmung Gmbh & Co. Kg|Offshore Station, Foundation for an Offshore Station, and Method for Building an Offshore Station|
    EP2420441A2|2010-08-20|2012-02-22|IMPaC Offshore Engineering GmbH|Offshore facility and method for installing an offshore facility|
    CN103758148A|2014-02-13|2014-04-30|天津大学前沿技术研究院有限公司|Gravity type offshore wind power foundation capable of towing in self-floating mode and construction method thereof|WO2018150063A1|2017-02-14|2018-08-23|Berenguer Ingenieros S.L.|Maritime structure for laying the foundations of buildings, installations and wind turbines by means of gravity in a marine environment|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201530794A|ES2593263B1|2015-06-05|2015-06-05|Gravity foundation system for the installation of wind turbines or offshore facilities and procedure for the installation of a foundation system for wind turbines or offshore facilities|ES201530794A| ES2593263B1|2015-06-05|2015-06-05|Gravity foundation system for the installation of wind turbines or offshore facilities and procedure for the installation of a foundation system for wind turbines or offshore facilities|
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