WO2022090584A1 - Una pontona de transporte y depósito de un aerogenerador marino sobre el lecho marino - Google Patents
Una pontona de transporte y depósito de un aerogenerador marino sobre el lecho marino Download PDFInfo
- Publication number
- WO2022090584A1 WO2022090584A1 PCT/ES2020/070662 ES2020070662W WO2022090584A1 WO 2022090584 A1 WO2022090584 A1 WO 2022090584A1 ES 2020070662 W ES2020070662 W ES 2020070662W WO 2022090584 A1 WO2022090584 A1 WO 2022090584A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pontoon
- shaped
- wind turbine
- base box
- base
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 239000013535 sea water Substances 0.000 claims abstract description 13
- 230000006399 behavior Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000004580 weight loss Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000032258 transport Effects 0.000 description 14
- 238000009434 installation Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
- B63B77/10—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
- F03D13/126—Offshore
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
- F03D13/135—Pre-assembling, i.e. partially or completely assembling the wind motor before transport to the installation site
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
- B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0039—Methods for placing the offshore structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0069—Gravity structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Definitions
- the present invention refers to a submersible floating pontoon for transporting an offshore wind turbine from a port to an installation position, where the floating pontoon is lowered together with the offshore wind turbine until the base box of the wind turbine is deposited on the bottom of the sea.
- a marine wind turbine In general, a marine wind turbine is known in the state of the art, which generally comprises a multi-blade motor with a horizontal axis, an electric generator mechanically coupled to the motor, which are fixed to the upper end of a vertically elongated support, such as a mast or pole, and a base box mechanically coupled to the lower end of the pole opposite the upper end of the pole.
- the offshore wind turbine is transported as a single piece using a floating pontoon comprising two lateral floats arranged in parallel and mechanically linked together by a cross linking structure that mechanically connects one of the ends of the two lateral floats, forming a floating structure in U-shaped.
- the U-shaped floating pontoon receives the base box of the offshore wind turbine through the opening of the U-shaped floating pontoon.
- the floating pontoon transports the offshore wind turbine to the installation or mooring position on the seabed, where the floating pontoon and the wind turbine caisson are lowered to the seabed.
- the floating pontoon is equipped with pressure means distributed between the two parallel lateral floats to keep the base caisson between the two parallel lateral floats during the transportation of the offshore wind turbine and to deposit the offshore wind turbine from the sea surface to the sea bottom.
- the present invention seeks to solve one or more of the aforementioned drawbacks by means of a pontoon for transporting and depositing a marine wind turbine on the seabed as claimed in the claims.
- the wind turbine in a single piece comprises a base caisson that can be inserted into the open space of the U-shaped pontoon for the transport, positioning and deposit of the base caisson of the marine wind turbine on the seabed, by ballast synchronized with seawater from the caisson. base and U-shaped pontoon. Therefore, the base caisson and the U-shaped pontoon are submersible at the same time, simultaneously, and can be unlatched separately to float the U-shaped pontoon and leave it deposited on the bottom of the sea the offshore wind turbine in a single piece.
- the U-shaped pontoon comprises two floatable and submersible side pontoons with longitudinal axes parallel to a central horizontal longitudinal axis X, a transverse floatable and submersible connecting pontoon, which mechanically couples the two floatable and submersible side pontoons together, extending along a horizontal longitudinal axis Y perpendicular to the central horizontal longitudinal axis X, and a plurality of first watertight compartments uniformly distributed throughout the pontoons of the U-shaped pontoon, which are ballastable and unballasting with sea water, and at least two vertical columns extending upwards from an upper horizontal deck of the U-shaped pontoon.
- the base caisson that can be nested inside the open space of the U-shaped pontoon comprises a plurality of second watertight compartments uniformly distributed throughout the base caisson that can also be ballasted and unbalastered with seawater.
- the base caisson also comprises two upper lateral wings facing each other with longitudinal axes parallel to the central horizontal longitudinal axis X of the U-shaped pontoon.
- the vertical columns comprise a plurality of third watertight compartments uniformly distributed throughout the vertical columns that can be ballasted and de-weighed with sea water in a synchronized manner with the first watertight compartments and the second watertight compartments.
- the parallel side pontoons of the U-shaped pontoon comprise inner edges of the parallel side pontoons that are configured to form corresponding seats for the corresponding parallel upper side wings of the base caisson, such that the parallel upper side wings remain in contact. physical with the corresponding upper lateral seats by the synchronized action of the ballast of the U-shaped pontoon and the base caisson.
- the U-pontoon pontoons feature a vertical cross-section having a cross-sectional height less than the vertical cross-sectional height of the base caisson
- Another object is a procedure for lifting, transporting, positioning and depositing an offshore wind turbine in a single piece that comprises a base box that can be fitted into the open space of the U-shaped pontoon, a wind turbine is transported in one piece from the site of assembly in the port to the installation area in the sea with the U-shaped pontoon, the procedure comprises the successive stages of
- the U-shaped pontoon is released from the base caisson, increasing the ballast of the U-shaped pontoon, moving this pontoon horizontally away from the installed base caisson, and then the pontoon is refloated to be used in the installation of other offshore wind turbines.
- the descent of the offshore wind turbine to the bottom of the sea is carried out by means of the synchronized ballast of the base caisson and the lateral and transverse pontoons of the U-shaped pontoon.
- the U-shaped pontoon is simple to manufacture and does not need to be equipped with complex fastening and guiding equipment between different pontoons in the pontoon, thus greatly reducing the construction cost and complexity of the U-shaped pontoon.
- Figure 1 shows a perspective view of a base box of an offshore wind turbine embedded within the open space of a U-shaped pontoon
- Figure 2 shows in an elevation view a detail of the stage of depositing the base caisson of the marine wind turbine on the seabed, by synchronized ballasting of the base caisson of the marine wind turbine embedded within the open space of the U-shaped pontoon,
- Figure 3 shows in an elevation view a detail of the transport and positioning stages of the base box embedded within the open space of the U-shaped pontoon
- Figure 4 shows an elevation view of a cross section of the base box of the marine wind turbine assembled in a single piece
- Figure 5 shows a plan view of the base box of the offshore wind turbine
- Figure 6 shows in elevation a cross section of the U-shaped pontoon and a plan view of the U-shaped pontoon.
- the marine wind turbine 115 comprises a parallelepiped base box 116, intended to rest or be installed on the seabed, a tower 118 having a lower end coupled to the base box 116 and an upper end opposite the lower end mechanically coupled to a nacelle 119 comprising a three-blade rotor 121.
- the submersible floating pontoon 111 comprises two lateral submersible floating pontoons 112 with longitudinal axes parallel to a central horizontal longitudinal axis X, a transverse submersible floating pontoon 113 that mechanically couples the two submersible floating lateral pontoons facing each other, extending along a horizontal longitudinal axis Y perpendicular to the central horizontal longitudinal axis X, and at least two vertical columns 114, extending upwards from the upper horizontal deck 113 of the U-shaped pontoon 111.
- the U-shaped pontoon 111 is specially developed for operations at sea and the open space between the two U-shaped side pontoons 112 is sized to receive, fit and externally surround the outer perimeter of the base box 116 of the wind turbine 115 in a single part.
- the open space of separation between the facing lateral floats 112 is large enough to embrace the base box 116 of the wind turbine 115 within the open space of the U-shaped pontoon 111.
- the lateral pontoons 112 and the transverse connecting pontoon 113 comprise a plurality of first watertight compartments 711 distributed homogeneously throughout the volume of the different floating pontoons 112, 113 enabled to be weighted and de-weighted with a working fluid such as sea water.
- the base box 116 of the marine wind turbine 115 in a single piece comprises a plurality of second watertight compartments 511 distributed homogeneously throughout the volume of the base box 116, prepared to be ballasted and de-ballasted also with working fluid, namely, spring water. sea.
- the first watertight compartments 711 and the second compartments watertight 511 are adapted to be weighted and unweighted synchronously to provide a joint that limits any relative vertical movement and any relative horizontal movement between the base caisson 116, the floating pontoons 112 and the transverse joint pontoon 113 of the U-shaped pontoon 111, when the base box 116 is housed within the open space between the two U-shaped side pontoons 112. This is because weight distribution is important for the seaworthiness and stability of the U-shaped pontoon 111 and wind turbine 115 assembly in a single unit. piece, which allows the U-shaped pontoon 111 to work in a stable manner to move marine wind turbines 115 in a single piece, carrying out the transport of the wind turbine 115 with safety and stability.
- the level of ballast and de-ballast of the first watertight compartments 711, the second watertight compartments 511 and the third watertight compartments 712 is a function of the stage of elevation, transport, positioning and storage in which the installation of the offshore wind turbine 115 is located at any given moment .
- the first watertight compartments 711 and the second watertight compartments 511 are partially weighted or unweighted and cooperate to block any relative vertical and horizontal movement of the base box 116 with respect to each of the pontoons 112, 113 of pontoon 111 in U.
- first watertight compartments 711 and the second watertight compartments 511 are partially weighted or unweighted, they exert horizontal and vertical thrusts in the opposite direction between each of the two opposite external side walls of the base box 116 and respectively each of the internal side walls of the lateral pontoons 112 facing each other and the transverse union pontoon 113 of the U-shaped pontoon 111, thus preventing any relative horizontal and vertical movement of the base box 116 with respect to the floating pontoons 112, 113 of the U-shaped pontoon 111.
- the base caisson 116 comprises two upper lateral wings 117 facing each other with longitudinal axes parallel to the central horizontal longitudinal axis X of the U-shaped pontoon 111.
- the upper lateral wings 117 are arranged along corresponding facing outer edges of the upper deck 611 of the caisson. base 116 of the wind turbine 115.
- the portions of the upper deck of U-shaped pontoon 111 corresponding to the inner edges of the parallel lateral pontoons 112 are configured to form a seat 713 to the corresponding parallel upper lateral wings 117 of the base box 116 of the wind turbine.
- the outer wall of the base box 116 of the wind turbine 115 faces the open sea in the opposite direction to the bottom wall of the open space of the U-shaped pontoon 111, it does not comprise a side wing.
- the open space between the two U-shaped lateral pontoons 112 externally borders closely the rest of the three external walls of the base box 116 of the wind turbine 115 in a single piece.
- the base caisson 116 of the wind turbine 115 in a single piece is arranged within the open space of the U-shaped pontoon 111, they form a floating structure that can be ballasted and unbalastered in a synchronized manner to raise the base caisson 116 and anchor the base caisson 116 of the offshore wind turbine. 115 in a single piece on the bottom of the sea.
- the lifting, transport, positioning and deposit in the installation position on the seabed of the offshore wind turbine 115 is carried out in accordance with Archimedes' principle by means of synchronized weighting/de-weighting of the U-shaped pontoon 111 and the base box 116 of the offshore wind turbine. 115. Lifting is done mainly vertically.
- the floating pontoons 1112, 113 of the U-shaped pontoon 111 have a cross section having a section height less than the height of the cross section of the base box 116 of the marine wind turbine ll5, such that, the U-shaped pontoon 111 can fit the base caisson 116 inside the open space of the U-shape, to lift it, transport it and deposit it on the seabed without requiring fastening or interlocking elements to the pontoons 112, 113 of the pontoon 111 in U, through the synchronized ballasting and deballasting with sea water of the first watertight compartments 711 of the pontoon 111 in U, of the second watertight compartments 611 of the base caisson 116 of the offshore wind turbine 115 and of the third watertight compartments 712 of the vertical columns.
- a part of the base caisson 116 projects from the lower deck 715 of the pontoon 111 in U towards the bottom of the sea, so that, the lower deck 715 of the pontoon 111 in U avoids coming into physical contact with the bottom of the sea.
- the part of the base caisson 116 projecting from the lower deck 715 of the U-shaped pontoon 111 towards the seabed provides stability and seaworthiness to the offshore wind turbine assembly 115 embedded in the open space of the U-shaped pontoon.
- the lower deck 715 of the U-shaped pontoon 111 is below the surface of the sea water and, in turn, the lower surface 411 of the base caisson 116 is below the lower deck 715 of the pontoon 111.
- the offshore wind turbine 115 is lifted from an assembly area to transport, position and deposit on the seabed.
- the descent to the bottom of the sea of the offshore wind turbine 115 is carried out solely by synchronized ballast of the first watertight compartments 711 of the lateral pontoons 112 and of the transverse union pontoon 113 of the U-shaped pontoon 111, and of the second watertight compartments 511 of the base box 116 of the offshore wind turbine 115 and of the third watertight compartments 712 of the vertical columns 114, so that the pontoons 1112, 113 of the U-shaped pontoon 113 are in an active submerged position, without resorting to lifting/ lowering of the wind turbine 115 by relative movement of the wind turbine 115 with respect to the pontoons 112, 113 of the U-shaped pontoon 111.
- the pontoons 112, 113 of the U-shaped pontoon 111 descend simultaneously with the base box 116 of the marine wind turbine 115, without reaching at no time the level of the bottom of the sea.
- a vertical displacement is developed along a vertical longitudinal axis Z perpendicular to the axis central horizontal longitudinal axis X and the horizontal longitudinal axis Y, towards the bottom of the sea to disengage or free the upper lateral wings 117 of the base box 116 from the corresponding seats 713 of the lateral pontoons 112 without reaching or coming into contact with the lower deck 715 of the lateral pontoons with the bottom of the sea.
- the U-shaped pontoon 111 performs a horizontal displacement maneuver along the central horizontal longitudinal axis X in direction opposite to the open space of the U-shape of the pontoon 111 to disengage or release the base caisson 116, which is deposited on the seabed, and when the base caisson 116 is released, that is, it has lost physical contact with pontoon 111 in U, the first watertight compartments 711 of the side pontoons 112 and of the transverse connection pontoon 113 of the pontoon 111 in U and of the third watertight compartments 712 of the vertical columns 114 are de-ballasted until the upper deck 714 of the U-pontoon 111 is above the level of the water surface, that is, the pontoons 112, 113 of the U-pontoon 111 are in an active floating position.
- the rest of the dimensions, width and length, of the pontoons 112, 113 of the U-shaped pontoon 111 are suitable for lifting, transporting, positioning and depositing the offshore wind turbine 115 assembled in a single piece on the seabed.
- the floating pontoon 111 Due to the U-shape of the floating pontoon 111, the latter generally has a relatively low torsional rigidity with respect to the central horizontal longitudinal axis X.
- the base caisson 116 by encasing the base caisson 116 within the open space of the U-shape and retaining the base caisson 116 by means of the synchronized ballasting and deballasting of the first watertight compartments 711, which exert an upward thrust, of the pontoon 111 in U and the second watertight compartments 511, which exert a downward thrust, of the base box 116 of the marine wind turbine 115 both in the horizontal plane and in the vertical plane, the torsional rigidity of the pontoon assembly 111 in U and wind turbine is increased. marine 115 fitted to this pontoon 111.
- the vertical columns 114 are facing one another, arranged on different facing side pontoons 112 to provide hydrostatic stability and improve the performance of the U-shaped floating pontoon 111.
- the horizontal cross-section of the vertical columns 114 is less than the vertical cross section of the side pontoons 112 above which the vertical columns 114 rise, so that, if the facing side pontoons 112 are in fully submerged position by full ballast, the upper end of the vertical columns protrudes above of the sea water level.
- the vertical columns 114 also comprise a plurality of third watertight compartments 712, which are synchronously ballasted and unloaded with the first watertight compartments 711 of the U-shaped pontoon 111 and the second watertight compartments 511 of the base caisson 116 of the offshore wind turbine 115.
- the joint action by total or partial ballast or de-ballast of the third watertight compartments 712, of the first watertight compartments 711 and of the second watertight compartments 511 allow the wind turbine 115 to be deposited on the seabed, keeping it embedded within the open space in the manner in which U of pontoon 111 while lowering the base box set 116 embedded in pontoon 111 in U.
- the upper end of the vertical columns 114 are above the water level.
- the vertical columns 114 provide stability to the base caisson 116 and pontoon 111 assembly during the descent to the bottom of the sea of the pontoon 111 and the wind turbine 115.
- the vertical columns 114 provide positive buoyancy, which provides stabilization to the base caisson assembly 116 embedded in the U-shaped pontoon 111 during the descent to the seabed of the base caisson assembly 111 embedded in the U-shaped pontoon 111 to deposit the wind turbine 115. on the bottom of the sea.
- the vertical columns 114 are far from each other and located at the ends of the side pontoons 112, therefore distributed evenly over the upper deck 714 of the U-shaped pontoon 111.
- the vertical columns 114 allow the height of the pontoon to be reduced. vertical cross-section of the pontoons 112, 113 of the U-shaped pontoon 111, which allows the base caisson to be safely deposited in the installation area of the offshore wind turbine.
- the U pontoon 111 comprises four vertical columns 114 arranged at corresponding opposite ends of the side pontoons 112 of the U pontoon 111, allowing maximized spacing between the vertical columns 114, contributing to the stabilization of the U pontoon 111.
- the procedure for lifting, transporting, positioning and depositing the marine wind turbine 115 on the bottom of the sea comprises the successive stages of:
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Ocean & Marine Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20959655.0A EP4238861A4 (en) | 2020-10-28 | 2020-10-28 | PONTOON FOR TRANSPORTING AND PLACING A SEA WIND TURBINE ON THE SEA FLOOR |
US18/250,826 US20230391430A1 (en) | 2020-10-28 | 2020-10-28 | Pontoon for transporting and placing a marine wind turbine on the seabed |
CA3196296A CA3196296A1 (en) | 2020-10-28 | 2020-10-28 | Pontoon for transporting and placing a marine wind turbine on the seabed |
PCT/ES2020/070662 WO2022090584A1 (es) | 2020-10-28 | 2020-10-28 | Una pontona de transporte y depósito de un aerogenerador marino sobre el lecho marino |
AU2020474910A AU2020474910A1 (en) | 2020-10-28 | 2020-10-28 | Pontoon for transporting and placing a marine wind turbine on the seabed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2020/070662 WO2022090584A1 (es) | 2020-10-28 | 2020-10-28 | Una pontona de transporte y depósito de un aerogenerador marino sobre el lecho marino |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022090584A1 true WO2022090584A1 (es) | 2022-05-05 |
Family
ID=81383650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2020/070662 WO2022090584A1 (es) | 2020-10-28 | 2020-10-28 | Una pontona de transporte y depósito de un aerogenerador marino sobre el lecho marino |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230391430A1 (es) |
EP (1) | EP4238861A4 (es) |
AU (1) | AU2020474910A1 (es) |
CA (1) | CA3196296A1 (es) |
WO (1) | WO2022090584A1 (es) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003055741A1 (en) * | 2001-11-21 | 2003-07-10 | Mpu Enterprise As | Device for lifting, transporting, positioning and installation of at least one marine structure, in particular one or several windmills |
FR2887900A1 (fr) * | 2005-06-30 | 2007-01-05 | Doris Engineering | Procede de construction et de mise en place d'une installation de production d'electricite en mer |
GB2454585A (en) * | 2007-11-09 | 2009-05-13 | Freyssinet | Method for the transport of a civil engineering structure in an aquatic medium |
DE102008046359A1 (de) * | 2008-09-09 | 2010-03-11 | Ed. Züblin Ag | Vorrichtung zum Transport und Installieren von zumindest eine Flachgründung umfassende Anordnung einer Offshore-Windenergieanlage sowie Verfahren zum Transport und zur Installation einer solchen Flachgründung mit Mast |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2972173B1 (fr) * | 2011-03-01 | 2013-03-29 | Stx France Sa | Navire de transport sur un site "offshore" d'une eolienne et procede pour sa mise en place |
-
2020
- 2020-10-28 EP EP20959655.0A patent/EP4238861A4/en active Pending
- 2020-10-28 WO PCT/ES2020/070662 patent/WO2022090584A1/es unknown
- 2020-10-28 AU AU2020474910A patent/AU2020474910A1/en active Pending
- 2020-10-28 CA CA3196296A patent/CA3196296A1/en active Pending
- 2020-10-28 US US18/250,826 patent/US20230391430A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003055741A1 (en) * | 2001-11-21 | 2003-07-10 | Mpu Enterprise As | Device for lifting, transporting, positioning and installation of at least one marine structure, in particular one or several windmills |
FR2887900A1 (fr) * | 2005-06-30 | 2007-01-05 | Doris Engineering | Procede de construction et de mise en place d'une installation de production d'electricite en mer |
GB2454585A (en) * | 2007-11-09 | 2009-05-13 | Freyssinet | Method for the transport of a civil engineering structure in an aquatic medium |
DE102008046359A1 (de) * | 2008-09-09 | 2010-03-11 | Ed. Züblin Ag | Vorrichtung zum Transport und Installieren von zumindest eine Flachgründung umfassende Anordnung einer Offshore-Windenergieanlage sowie Verfahren zum Transport und zur Installation einer solchen Flachgründung mit Mast |
Non-Patent Citations (1)
Title |
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See also references of EP4238861A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20230391430A1 (en) | 2023-12-07 |
AU2020474910A1 (en) | 2023-06-15 |
EP4238861A1 (en) | 2023-09-06 |
EP4238861A4 (en) | 2023-12-27 |
CA3196296A1 (en) | 2022-05-05 |
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