WO2015029165A1 - Dispositif de génération d'énergie à stockage à pompage marin, et dispositif de stockage d'énergie - Google Patents

Dispositif de génération d'énergie à stockage à pompage marin, et dispositif de stockage d'énergie Download PDF

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Publication number
WO2015029165A1
WO2015029165A1 PCT/JP2013/073035 JP2013073035W WO2015029165A1 WO 2015029165 A1 WO2015029165 A1 WO 2015029165A1 JP 2013073035 W JP2013073035 W JP 2013073035W WO 2015029165 A1 WO2015029165 A1 WO 2015029165A1
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WIPO (PCT)
Prior art keywords
water
power generation
pumped
offshore
storage tank
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Application number
PCT/JP2013/073035
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English (en)
Japanese (ja)
Inventor
正樹 池田
近藤　真一
内山　倫行
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株式会社日立製作所
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Priority to JP2015533850A priority Critical patent/JPWO2015029165A1/ja
Priority to PCT/JP2013/073035 priority patent/WO2015029165A1/fr
Publication of WO2015029165A1 publication Critical patent/WO2015029165A1/fr

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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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • 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
    • Y02E10/20—Hydro energy
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Definitions

  • the present invention relates to an offshore pumped-storage power generation apparatus and an electric power storage apparatus, and more particularly to an offshore pumped-storage power generation apparatus and an electric power storage apparatus that are suitable for installation of an offshore pumped-storage power generation apparatus.
  • the pumped-storage power generation apparatus requires a large water storage tank, so a vast land is required for installation. Therefore, installing a pumped storage power generation system on the ocean where the degree of freedom of land is larger than that on land is a major advance in the expansion of the use of large scale pumped storage power generation systems.
  • the offshore pumped-power generator may float and sink due to changes in the amount of water stored in the storage tank, and the function of the pumped-storage power generation may be lost. For example, as the amount of water increases, the power generation function is lost when the power generation part sinks below the water surface.
  • the present invention has been made in view of the above points, and the object of the present invention is to float and sink the pumped portion and the power generation portion regardless of the amount of water in the storage tank, even if a pumped storage power generation device is installed on the ocean. It is of course possible to prevent the increase in cost and to maintain the function of pumping water and the function of power generation, as well as to provide an offshore pumped-storage power generator and power storage device that do not lead to an increase in cost.
  • the offshore pumped-storage power generation apparatus of the present invention is installed on the ocean, and is composed of a pumped part for pumping water, a power generating part for performing hydroelectric power generation, and a water tank part for storing water, and Corresponding to the rising and sinking of a part of the tank part or the water tank part, the water tank part or the water tank part is provided with a movable mechanism that moves independently with respect to the pumping part and the power generation part.
  • the power storage device of the present invention is provided between the offshore pumped-storage power generation device installed on the ocean and the offshore power generation device and between the offshore pumped-storage power generation device and the onshore power generation device installed on the land.
  • the offshore pumped-storage power generation apparatus is a power storage apparatus that is responsible for power storage of the offshore power generation apparatus and / or the onshore power generation apparatus, and the offshore pumped-storage power generation apparatus has the above-described configuration. It is a device.
  • the rising and sinking of the pumped-up portion and the power generation portion is suppressed regardless of the amount of water in the water storage tank, and the function of pumping water and the function of power generation are maintained.
  • the cost is not increased.
  • Example 1 of the offshore pumped storage power generator of this invention It is a top view of FIG. It is a figure which shows an example of the movable mechanism employ
  • FIG. It is a top view of FIG. It is the figure which looked at the 2nd side wall of the water storage tank in Example 4 of the offshore pumped-storage power generation apparatus of this invention from the inner side of the water storage tank. It is sectional drawing which shows Example 5 of the offshore pumped storage power generator of this invention. It is sectional drawing which shows Example 6 of the offshore pumped storage power generator of this invention. It is sectional drawing which shows Example 7 of the offshore pumped storage power generator of this invention. It is the figure which looked at the 2nd side wall of the water storage tank in Example 7 of the offshore pumped-storage power generator of this invention from the inner side of the water storage tank. It is sectional drawing which shows Example 8 of the offshore pumped storage power generator of this invention.
  • Example 11 of the offshore pumped storage power generator of this invention It is a perspective view which shows an example of the roof employ
  • FIG. 1 and FIG. 2 show Example 1 of the offshore pumped storage power generator of the present invention.
  • the offshore pumped-storage power generation apparatus of the present embodiment is installed on the offshore 1, and a pumping part A for pumping water, and a water tank part B for storing water pumped by the pumping part A, A power generation part C that performs hydroelectric power generation using water from the water storage tank part B is schematically configured.
  • the bottom wall 34 of the water tank, the first side wall 33 of the water tank integrally constructed with the bottom wall 34 of the water tank, and the first side wall 33 of the water tank are movable.
  • a pumping device 11 for pumping water a pumping device floating body 13 for supporting and fixing the pumping device 11 on the ocean 1, and a second side wall 31 of the water storage tank, and stores the water pumped by the pumping device 11 It is composed of a pumping pipe 12 to be sent to the tank 3, and the power generation part C is further connected to a power generation apparatus 21, a power generation apparatus floating body 23 that supports and fixes the power generation apparatus 21 on the ocean, and a second side wall 32 of the water storage tank.
  • a power generation pie connected to send water from the water tank 3 to the power generation device 21 And a 22..
  • the first side wall 33 integrally formed with the bottom wall 34 of the water tank corresponds to the ups and downs of a part of the water tank part B (the second side walls 31 and 32 of the water tank).
  • a movable mechanism that is movable in the height direction (vertical direction) with respect to the second side walls 31 and 32 of the water storage tank is provided.
  • the movable mechanism shown in FIG. 3 is formed in the vertical direction (perpendicular to the plane of the paper, also in the height direction) of either the first side wall 33 of the water tank or the second side walls 31 and 32 of the water tank.
  • a groove 37 is formed on the other side of the first side wall 33 of the water storage tank in which the groove 37 is formed or the second side wall 31 and 32 of the water storage tank, and is engaged with the groove 37 to move up and down in the groove 37. It is comprised from the protrusion part 38 which moves to a direction. And when a part of water tank part B floats and sinks on the ocean 1, the protrusion part 38 moves to the up-down direction (height direction) in the groove
  • the shape of the groove 37 formed in the vertical direction of either the first side wall 33 of the water storage tank or the second side walls 31 and 32 of the water storage tank is rectangular,
  • the shape of the protrusion 38 that engages with the groove 37 and moves up and down in the groove 37 is also an example of a rectangle.
  • FIG. 3B shows the first side wall 33 of the water tank or the second side of the water tank.
  • the shape of the groove 37 formed in the vertical direction of one of the side walls 31 and 32 is a triangle, and the shape of the protrusion 38 that is engaged with the groove 37 of this triangle and moves in the vertical direction is also a triangle. An example is given.
  • the shape of the groove 37 means a sectional view in the height direction, and FIG. 3 shows this sectional view.
  • the triangle here includes a shape obtained by cutting a part of the triangle, as shown in FIG.
  • FIG. 4 shows another example of the movable mechanism in the present embodiment.
  • the movable mechanism shown in FIG. 4 includes a pinion 44 installed on either the first side wall 33 of the water tank or the second side walls 31 and 32 of the water tank, and the first side wall 33 or the water tank of the water tank.
  • the second side walls 31 and 32 are formed on a side where the pinion 44 is not installed, and are constituted by a rack 45 that engages with the pinion 44.
  • the rack 45 engaged with this rotates in the up-down direction (height direction) by rotating the pinion 44 corresponding to the sinking. It is something that moves.
  • the shape of the pinion 44 installed on either the first side wall 33 of the water tank or the second side walls 31 and 32 of the water tank is triangular, and is engaged with the pinion 44.
  • the shape of the rack 45 that moves up and down is also an example of a triangle
  • FIG. 3B is installed on either the first side wall 33 of the water tank or the second side walls 31 and 32 of the water tank.
  • the shape of the pinion 44 that is formed is a quadrangle
  • the shape of the rack 45 that is engaged with the pinion 44 and moves in the vertical direction is also an example of a quadrangle.
  • the pumping function and the power generation function are maintained by the movable mechanism, the pumping device floating body 13 and the power generating device floating body 23 of the present embodiment described above.
  • the movable mechanism of the present embodiment even if the first side wall 33 of the water tank and the water tank floating body 35 that are integrated with the bottom wall 34 of the water tank sink when the amount of water increases, the inside of the groove 37 remains. Since the protrusion 38 moves in the vertical direction or the pinion 44 rotates, the rack 45 engaged therewith moves in the vertical direction, so that the pumping portion A is connected to the second side wall 31 of the water storage tank. Sinking is suppressed by the buoyancy of the pumping device floating body 13 without damaging the pumped water pumping pipe 12, while the power generation pipe 22 connected to the second side wall 32 of the water storage tank is also damaged. Without this, sinking is suppressed by the buoyancy of the power generator floating body 23.
  • the pumped pipe 12 may be damaged due to the weight of the pumped portion A and the power generation pipe 22 may be damaged due to the weight of the power generating portion C.
  • the movable mechanism of the present embodiment even if the first side wall 33 of the water tank integrally constructed with the bottom wall 34 of the water storage tank and the floating body 35 for the water storage tank rise when the amount of water decreases, the groove 37 Since the protrusion 38 moves in the vertical direction or the pinion 44 rotates, the rack 45 engaged therewith moves in the vertical direction, so that the pumping portion A is the second side wall 31 of the water storage tank.
  • the pumping pipe 12 connected to the pipe is not damaged, and the lifting of the pumping part A is suppressed by the weight of the pumping part A, while the power generating part C is similarly damaged in the power generation pipe 22 connected to the second side wall 32 of the water storage tank. Without flying, the flying height is suppressed by the weight of the power generation portion C.
  • the shape of the water storage tank 3 is a quadrangle, but it goes without saying that a circular shape or other polygonal shapes are also included in this embodiment.
  • FIG. 5 shows a second embodiment of the offshore pumped storage power generator of the present invention.
  • the pumped water portion A and the power generating portion C are independently movable.
  • the pumped water portion A and the power generating portion C are integrated, and the first side wall 33 ( FIG. 2) is an example of moving with respect to the second side wall 31 of the water tank.
  • the water tank portion B is installed such that the bottom wall 34 of the water tank, the first side wall 33 integrated with the bottom wall 34 of the water tank, and the first side wall 33 of the water tank are movable.
  • the water storage tank 3 formed by the second side wall 31 and the second side wall 32 moving together with the bottom wall 34 of the water storage tank, and the water storage tank floating body 35 that supports and fixes the water storage tank 3 on the ocean 1.
  • the pumping portion A is constructed from a pumping device 11 that pumps water and a pumping pipe 12 that is connected to the second side wall 31 of the water storage tank and sends the water pumped by the water pumping device 11 to the water storage tank 3.
  • the power generation portion C is connected to the power generation device 21 and the second side wall 31 of the water storage tank to which the pumping pipe 12 is connected, and the power generation pipe 22 that sends the water from the water storage tank 3 to the power generation device 21.
  • the pumping device A and the power generation device C are common It is supported and fixed to offshore in the body 39.
  • the first side wall 33 integrated with the bottom wall 34 of the water tank moves relative to the second side wall 31 of the water tank in response to the rise and fall of a part of the water tank portion B. It has a movable mechanism.
  • the movable mechanism in this embodiment is the same mechanism as the configuration using the groove 37 and the protrusion 38 shown in FIG. 3 and the configuration using the rack 45 and the pinion 44 shown in FIG.
  • the protrusion 38 or the rack 45 or the pinion 44 is provided on the first side wall 33 of the water tank, and the protrusion 38 or the groove 37 or the pinion 44 or the rack 45 is provided on the second side wall 31 of the water tank. Since the operation of is the same as that of the first embodiment, the description thereof is omitted here.
  • FIG. 6 shows an embodiment 3 of the offshore pumped-storage power generator of the present invention.
  • the present embodiment shown in the figure is an example in which the first side wall 33 and the second side walls 31 and 32 of the water tank are driven by a motor.
  • the water tank portion B includes the bottom wall 34 of the water tank, the first side wall 33 (see FIG. 2) of the water tank integrally formed with the bottom wall 34 of the water tank, and the first side of the water tank.
  • the water storage tank 3 formed by the side wall 33 and the two movable second side walls 31 and 32, and the water storage tank floating body 35 that supports and fixes the water storage tank 3 on the ocean 1,
  • Portion A is connected to a pumping device 11 for pumping water, a pumping device floating body 13 for supporting and fixing the pumping device 11 on the ocean 1, and a second side wall 31 of the water storage tank, and water pumped by the pumping device 11
  • the power generation portion C further includes a power generation device 21, a power generator floating body 23 that supports and fixes the power generation device 21 on the ocean 1, and a second storage tank.
  • a power generation pie connected to the side wall 32 and sending water from the water storage tank 3 to the power generation device 21 And a 22..
  • motors 31A and 32A are installed on each of the second side walls 31 and 32 of the water tank to which the pumping pipe 12 and the power generation pipe 22 are connected or on the bottom wall 34 of the water tank, Corresponding to part of the ups and downs, the first side wall 33 of the water tank integrally formed with the bottom wall 34 of the water tank is driven by the motors 31A and 32A with respect to the second side walls 31 and 32 of the water tank, respectively. And a movable mechanism that is movable.
  • the movable mechanism shown in FIG. 7 is installed on either the first side wall 33 of the water storage tank or the second side walls 31 and 32 of the water storage tank, and is driven by the motors 31A and 32A.
  • a rack 45 or 47 that engages with the pinion 44 or the worm gear 46.
  • the same effects as those of the first embodiment can be obtained, and the fine adjustment is achieved by including the movable mechanism of the present embodiment, in particular, by using the motors 31A and 32A.
  • the adjustment range of the position of the second side wall 31 of the water storage tank relative to the bottom wall 34 of the water storage tank and the adjustment range of the position of the second side wall 32 of the water storage tank relative to the bottom wall 34 of the water storage tank There is an effect of becoming larger than 1.
  • the second side wall 31 of the water tank with respect to the bottom wall 34 of the water tank is driven by the motor 31 ⁇ / b> A driven by electric energy.
  • the pumped water portion A and the power generation portion C by raising the position of the second side wall 32 of the water tank relative to the bottom wall 34 of the water tank by driving the motor 32A by electric energy. Can be suppressed.
  • the water tank portion B is integrated with the bottom wall 34 of the water tank, the first side wall 33 of the water tank integrally constructed with the bottom wall 34 of the water tank, and the first side wall 33 of the water tank.
  • the water tank 3 formed by the second side walls 31 and 32 of the two water tanks of the structure, and the water tank floating body 35 that supports and fixes the water tank 3 on the ocean 1, and the pumping portion A is A pumping device 11 for pumping water, a floating body 13 for the pumping device for supporting and fixing the pumping device 11 on the ocean 1, and a pumping pipe 12 for sending the water pumped by the pumping device 11 to the storage tank 3,
  • the power generation part C is composed of a power generation device 21, a power generation device floating body 23 that supports and fixes the power generation device 21 on the ocean 1, and a power generation pipe 22 that sends water from the water storage tank 3 to the power generation device 21.
  • each of the second side walls 31 and 32 of the water tank 31B and 32B are provided, and the pumping pipe plate 14 and the power generation pipe plate 24, which partially close the holes 31B and 32B provided in the second side walls 31 and 32 of the water tank, respectively, 12 and the power generation pipe 22 are integrally attached.
  • the first side wall 33 of the water tank integrated with the second side walls 31 and 32 of the water tank corresponds to the rising and sinking of the water tank portion B, and the pumping pipe plate 14 and the power generation pipe plate. 24, each of which has a movable mechanism that can move.
  • a mechanism similar to the configuration using the groove 37 and the protrusion 38 shown in FIG. 3 and the configuration using the rack 45 and the pinion 44 shown in FIG. 4 can be used.
  • a pinion 44 is installed on one of the pumping pipe plate 14 and the power generation pipe plate 24 or the second side walls 31 and 32 of the water storage tank, and the pumping pipe plate 14 and
  • the rack 45 which engages with the pinion 44 is formed on the side where the pinion 44 is not installed among the second side walls 31 and 32 of the power generation pipe plate 24 or the water tank, and when the water tank part B floats and sinks on the ocean 1 Corresponds to the rise and fall of the pinion 44, and the rack 45 engaged therewith moves in the vertical direction (height direction).
  • FIG. 10 is a view of the second side wall 31 of the water tank as viewed from the inside of the water tank 3.
  • the pumping function and the power generation function are maintained by the movable mechanism, the pumping device floating body 13 and the power generating device floating body 23 of the present embodiment described above.
  • the movable mechanism of the present embodiment even when the water tank portion B sinks when the amount of water in the water tank 3 increases, the protrusion 38 moves vertically in the groove 37 or the pinion 44 is Since the rack 45 engaged therewith moves in the vertical direction by rotating, the pumping portion A connected to the pumping pipe plate 14 is not damaged by the pumping pipe 12, and the buoyancy of the floating body 13 for the pumping device is used. Sinking is suppressed, while the power generation portion C connected to the power generation pipe plate 24 is similarly suppressed by the buoyancy of the power generator floating body 23 without damaging the power generation pipe 22.
  • the pumped pipe 12 may be damaged due to the weight of the pumped portion A and the power generation pipe 22 may be damaged due to the weight of the power generating portion C.
  • the shape of the water storage tank 3 is a quadrangle, but it goes without saying that a circular shape or other polygonal shapes are also included in this embodiment.
  • the movable mechanisms of the first and third embodiments and the movable mechanism of the present embodiment are combined are also included in the present embodiment. That is, the movable mechanism of the pumping portion A is the movable mechanism of the first or third embodiment, and the movable mechanism of the power generation portion C is the movable mechanism of the present embodiment.
  • FIG. 11 shows an embodiment 5 of the offshore pumped-storage power generator of the present invention.
  • Example 4 shown in FIG. 8 the second side walls 31 and 32 of the water storage tank are perforated, and the pumped water part A and the power generation part C move independently.
  • a hole is made in the second side wall 31 of the tank, the pumping pipe plate 14 and the power generation pipe plate 24 are integrated, and the pumping part A and the power generation part C are integrated and movable with respect to the second side wall 31 of the water storage tank. This is an example.
  • the water tank portion B includes the bottom wall 34 of the water tank, the first side wall 33 (see FIG. 9) of the water tank integrally constructed with the bottom wall 34 of the water tank, and the first side of the water tank.
  • the water storage tank 3 formed by the second side walls 31 and 32 of the two water storage tanks integrated with the side wall 33 of the water storage tank 33 and the water storage tank floating body 35 that supports and fixes the water storage tank 3 on the ocean 1, and
  • the pumping portion A is composed of a pumping device 11 that pumps water and a pumping pipe 12 that sends the water pumped by the pumping device 11 to the water storage tank 3, and the power generating portion C is a power generating device 21.
  • the water pump 3 is composed of a power generation pipe 22 that sends water from the water storage tank 3 to the power generation device 21, and the water pumping device A and the power generation device C are supported and fixed on the ocean 1 by a common floating body 39.
  • the side wall 31 is provided with a hole 31B, and the second side wall 3 of the water tank. Is pumping pipe plate 14 which closes the hole 31B provided in part on, they are mounted together on the pumping pipe 12 and the power generation pipe 22.
  • a movable mechanism in which the second side wall 31 integrated with the first side wall 33 of the water tank is movable with respect to the pumping pipe plate 14 in response to the rise and fall of the water tank portion B. It is what it has.
  • a mechanism similar to the configuration using the groove 37 and the protrusion 38 shown in FIG. 3 and the configuration using the rack 45 and the pinion 44 shown in FIG. 4 can be used.
  • the other example of the movable mechanism in a present Example is that the pinion 44 is installed in any one of the pumping pipe board 14 or the 2nd side wall 31 of a water tank, and the 2nd of the water pumping pipe board 14 or a water tank is used.
  • a rack 45 that engages with the pinion 44 is formed on the side of the side wall 31 where the pinion 44 is not installed, and when the water tank part B or a part of the water tank part B floats and sinks on the ocean 1, Corresponding to the ups and downs, the pinion 44 rotates, and the rack 45 engaged therewith moves in the vertical direction (height direction).
  • the pumping function and the power generation function are maintained by the movable mechanism, the common floating body 39, and the power generator floating body 23 of the above-described embodiment.
  • FIG. 12 shows a sixth embodiment of the offshore pumped storage power generator of the present invention.
  • the present embodiment shown in the figure is an example in which the pumped pipe plate 14 and the power generation pipe plate 24 of the offshore pumped storage power generator of the fourth embodiment are driven by a motor.
  • the water tank portion B includes the bottom wall 34 of the water tank, the first side wall 33 (see FIG. 9) of the water tank integrally constructed with the bottom wall 34 of the water tank, and the first side of the water tank.
  • the water storage tank 3 formed by the second side walls 31 and 32 of the two water storage tanks integrated with the side wall 33 of the water storage tank 33 and the water storage tank floating body 35 that supports and fixes the water storage tank 3 on the ocean 1, and
  • the pumping part A includes a pumping device 11 that pumps water, a floating device for a pumping device 13 that supports and fixes the pumping device 11 on the ocean 1, and a pumping pipe 12 that feeds water pumped by the pumping device 11 to the water storage tank 3.
  • the power generation portion C includes a power generation device 21, a power generation device floating body 23 that supports and fixes the power generation device 21 on the ocean 1, and a power generation pipe 22 that sends water from the water storage tank 3 to the power generation device C.
  • the second side walls 31 and 32 of the water tank The holes 31B and 32B are provided in each, and the pumping pipe plate 14 and the power generation pipe plate that partially close the holes 31B and 32B provided in the second side walls 31 and 32 of the water tank, respectively. 24 are integrally attached to the pumping pipe 12 and the power generation pipe 22, respectively.
  • motors 31A and 32A are installed on the second side walls 31 and 32 of the water tank, respectively, or on the pumping pipe plate 14 and the power generation pipe plate 24, and the motors correspond to the ups and downs of the water tank portion B.
  • the second side walls 31 and 32 that are integrated with the first side wall 33 of the water storage tank are provided with a movable mechanism that can move with respect to the pumped pipe plate 14 and the power generation pipe plate 24 by driving 31A and 32A. is there.
  • a mechanism similar to the configuration using the pinion 44 or worm gear 46 driven by the motors 31A and 32A shown in FIG. 7 and the rack 45 engaged with the pinion 44 or worm gear 46 is used. Can be used.
  • the movable mechanism in the present embodiment is installed on each of the second side walls 31 and 32 of the water storage tank or on either the pumped pipe plate 14 or the power generation pipe plate 24, and is driven by the motors 31A and 32A.
  • the worm gear 46 is formed on the side where the worm gear 46 is not installed, and includes a pinion 44 or a rack 45 or 47 that engages with the worm gear 46.
  • the same effects as those of the first embodiment can be obtained, and the fine adjustment is achieved by including the movable mechanism of the present embodiment, in particular, by using the motors 31A and 32A.
  • the adjustment range of the position of the second side wall 31 of the water storage tank relative to the bottom wall 34 of the water storage tank and the adjustment range of the position of the second side wall 32 of the water storage tank relative to the bottom wall 34 of the water storage tank There is an effect of becoming larger than 4.
  • the second side wall 31 of the water tank with respect to the bottom wall 34 of the water tank is driven by the motor 31 ⁇ / b> A driven by electric energy.
  • the pumped water portion A and the power generation portion C by raising the position of the second side wall 32 of the water tank relative to the bottom wall 34 of the water tank by driving the motor 32A by electric energy. Can be suppressed.
  • examples in which the movable mechanisms of the first, third, and fourth embodiments and the movable mechanism of the present embodiment are combined are also included in the present embodiment. That is, the movable mechanism of the pumping portion A is the movable mechanism of any one of the first, third, and fourth embodiments, and the movable mechanism of the power generation portion C is the movable mechanism of the present embodiment.
  • FIG. 13 and FIG. 14 show Example 7 of the offshore pumped storage power generator of the present invention.
  • This embodiment shown in the figure is the same as the embodiment 6 shown in FIG. 12 except that a plurality of holes 31B and 32B are formed in the second side walls 31 and 32 of the water tank.
  • Other configurations are the same as those in the sixth embodiment.
  • the buoyancy is used only to move the pumping pipe plate 14 relative to the second side wall 31 of the water tank and the power generation pipe plate 24 relative to the second side wall 32 of the water tank.
  • the movable pipe When the movable pipe is moved, there exists a state where the pumping pipe 12 is not connected to the hole 31B of the second side wall 31 of the water storage tank and a state where the power generation pipe 22 is not connected to the hole 32B of the second side wall 32 of the water storage tank. . Therefore, when offshore pumped-storage power generation is performed in the example shown in FIG. 13, it is necessary to eliminate the above-described state, so that the installation of the motors 31 ⁇ / b> A and 32 ⁇ / b> A is indispensable.
  • the movable mechanisms of the first, third, fourth, and sixth embodiments and the movable mechanism of the present embodiment are also included in the present embodiment.
  • the movable mechanism of the pumped water portion A is the movable mechanism of any of the first, third, fourth, and sixth embodiments
  • the movable mechanism of the power generation portion C is the movable mechanism of the present embodiment.
  • FIG. 15 shows an embodiment 8 of the offshore pumped storage power generator of the present invention.
  • Example 7 shown in FIGS. 13 and 14 a plurality of holes are formed in the second side walls 31 and 32 of the water tank, and the pumped water portion A and the power generation portion C are independently movable.
  • the pumping pipe plate 14 and the power generation pipe plate 24 are integrated, and the pumping portion A and the power generation portion C are integrated to move with respect to the second side wall 31 of the water storage tank. This is a power generation device.
  • 16 and 17 show an offshore pumped storage power generator according to a ninth embodiment of the present invention.
  • the present embodiment shown in the figure is an example of an offshore pumped storage power generation device in which a pumped pipe and a power generation pipe can be expanded and contracted.
  • the water storage tank portion B includes a water storage tank 3 formed of a bottom wall 34C of the water storage tank and a plurality of side walls 31C and 32C integrally formed with the water storage tank bottom wall 34C.
  • the storage tank floating body 35 supported and fixed on the ocean 1 and the pumping part A includes a pumping device 11 for pumping water, and a pumping device floating body 13 for supporting and fixing the pumping device 11 on the ocean 1, It is connected to the side wall 31C of the water tank, and is composed of a telescopic pumping pipe 12A that sends the water pumped by the water pump 11 to the water tank 3, and the power generation portion C includes a power generator 21 and the power generator 21.
  • the movable mechanism is composed of a telescopic pumping pipe 12A and a power generation pipe 22A, and when the water storage tank portion B floats and sinks on the ocean 1, the pumping pipe 12A and power generation correspond to the floating and sinking.
  • the pipe 22A moves in a telescopic manner.
  • FIG. 16 shows an example in which the pumped water pipe 12A and the power generation pipe 22A are extended
  • FIG. 17 shows an example in which the pumped water pipe 12A and the power generation pipe 22A are contracted.
  • the pumping function and power generation function are maintained by the telescopic mechanism, the pumping device floating body 13 and the power generation device floating body 23 which are the movable mechanisms of the present embodiment described above.
  • the telescopic pumping pipe 12A and the power generation pipe 22A are used.
  • the present embodiment includes an example in which the pumping pipe 12A and the power generation pipe 22A are expanded and contracted by electric energy.
  • 16 and 17 show an example in which the pumping pipe 12A and the power generation pipe 22A expand and contract in the vertical direction, but an example in which the pumping pipe 12A expands and contracts in the horizontal direction as shown in FIG. 18 is also included in this embodiment. included.
  • 19 and 20 show an offshore pumped storage power generator according to a tenth embodiment of the present invention.
  • the present embodiment shown in the figure is an example of an offshore pumped storage power generation device that can reduce energy loss during pumping.
  • 19 and 20 show an offshore pumped storage power generation device having the same function as that of the third embodiment shown in FIG. 6 as an example, and the parts having the same function as in FIG. 6 and the same reference numerals as in FIG. The description of the components marked with is omitted.
  • a function of adjusting the position of the pumping pipe 12 to a position close to the water surface of the water storage tank 3 is provided.
  • Other configurations are the same as those of the third embodiment shown in FIG.
  • the loss energy is compared between the state shown in FIG. 19 and the state shown in FIG. That is, when water is pumped by the pumping portion A, the potential energy is lost by the distance from the outlet of the pumping pipe 12 to the water surface of the water in the water tank 3. Accordingly, when water is pumped by the pumping portion A in a state where the water storage tank portion B shown in FIG. 20 is sunk, the distance from the outlet of the pumping pipe 12 to the water level in the water storage tank 3 is shown in FIG. Therefore, the potential energy to be lost is smaller than that shown in FIG. That is, the closer the position of the pumping pipe 12 is to the water surface of the water storage tank 3, the smaller the energy that is lost when water is stored in the water storage tank 3 from the water pumping pipe 12.
  • a floating offshore pumped-storage power generation apparatus can use not only electric energy but also buoyancy in order to use the above function. Therefore, the floating offshore pumped-storage power generator uses less electrical energy to use the above functions.
  • FIG. 21 shows Example 11 of the offshore pumped storage power generator of the present invention.
  • a fixed water tank roof 36 is attached to the ceiling portion of the water tank 3 of the offshore pumped-storage power generator.
  • Other configurations are the same as those of the first embodiment shown in FIGS.
  • the roof 36 of the fixed-type water tank attached to the ceiling part of the water tank part B of the present embodiment may have a plurality of roof holes 36A in some places, as shown in FIG.
  • a part of the fixed roof 36 in which the roof hole 36A is open may be inclined.
  • a plurality of roof holes 36A are opened in the roof 36 of the fixed-type water tank, so that rain water can enter the water tank 3 from the roof hole 36A during rainy weather, and the water tank 3 during fine weather. Prevents water evaporation. Further, as shown in FIG. 23, by attaching a slope to a part of the roof 36 of the fixed water tank as in the roof 36 of the fixed water tank, rainwater can be efficiently collected in the roof hole 36A. is there.
  • the water tank roof 36 is opened to take in rain water into the water tank 3 when it rains, and the water tank 3 is covered with the water tank roof 36 when the weather is fine. It can be set as the offshore pumped-storage power generation apparatus which prevents evaporation of water.
  • the roof hole 36 ⁇ / b> A does not have to be opened in the water storage tank roof 36.
  • Embodiment 1 the same effects as those of Embodiment 1 can be obtained, and by adding rainwater to the water storage tank 3, it is possible to generate power using water that is higher than the amount of pumped water. Moreover, the loss of the pumped water can be reduced by preventing evaporation of the water in the water tank 3, and almost all the pumped water can be used for power generation.
  • FIG. 21 shows an example in which the roof 36 of the water storage tank is attached to the offshore pumped-storage power generation apparatus that employs the movable mechanism shown in the first embodiment, but the offshore equipped with the movable system of the second to tenth embodiments.
  • An example in which a water storage tank roof 36 is attached to the pumped-storage power generation apparatus is also included in this embodiment.
  • the present embodiment is an example in which the offshore pumped storage power generation apparatus shown in any of the first to eleventh embodiments is used as a power storage apparatus for storing power of another power generation apparatus installed on land or offshore.
  • FIG. 24 shows an offshore pumped-storage power generation apparatus shown in any of the first to eleventh embodiments as an example in which the power storage of another power generation apparatus installed on land or offshore is used as a power storage apparatus. It is.
  • the present embodiment it is installed between the offshore pumped-storage power generation apparatus 40 and the offshore power generation apparatus 41 shown in any of the above-described first to eleventh embodiments and on the offshore pumped-storage power generation apparatus 40 on the land.
  • a cable 50 is connected to the land power generation device 42 that has been made.
  • the offshore pumped-storage power generator 40 plays a role of an offshore power generator 41 or a power storage device of the onshore power generator 42.
  • wind power generators are illustrated as examples of the offshore power generator 41 and the onshore power generator 42.
  • the power generator in the present embodiment is not limited to the wind power generator.
  • a photovoltaic device can also be used.
  • the offshore pumped-storage power generation apparatus 40 in the present embodiment pumps the offshore pumped-storage power generation apparatus 40 using the power of the offshore power generation apparatus 41 or the onshore power generation apparatus 42 at night when the power demand is small, and reduces the amount of water in the water storage tank 3. increase.
  • the power generated by the offshore power generation device 41 or the onshore power generation device 42 during the day when the power demand is large is supplied to the consumer. . As a result, it becomes possible to increase the power supply amount at the peak time.
  • the stored energy corresponding to the amount of electric power is obtained by calculating the capacity of the water tank from the product of the bottom area of the water tank and the height of the wall of the water tank, and the capacity of the water tank, the height from the water surface of the water tank, and the gravitational acceleration. And obtained from the product.
  • This example is an example in which the offshore pumped-storage power generation apparatus shown in any of Examples 1 to 11 is used as an output fluctuation mitigation apparatus for another power generation apparatus.
  • FIG. 26 is an embodiment 13 shown as an example in which the offshore pumped storage power generation apparatus shown in any of the first to eleventh embodiments is used as an output fluctuation mitigation apparatus for another power generation apparatus.
  • a cable 50 is connected between the offshore pumped-storage power generator 40 and the floating offshore wind power generator 43 shown in any of the first to eleventh embodiments. Yes.
  • the offshore pumped-storage power generation apparatus 40 is used as an output fluctuation mitigation apparatus for the floating offshore wind power generation apparatus 43.
  • a floating offshore in order to reduce power loss during power transmission between the offshore pumped-storage power generator 40 and the floating offshore wind power generator 43, a floating offshore can be installed near the offshore pumped-power generator 40.
  • the wind power generator 43 is used, this embodiment also includes a case where an onshore wind power generator or a landing type offshore wind power generator is used instead of the floating offshore wind power generator 43.
  • a wind power generator is shown as an example of another power generator, but the case of other output fluctuation type power generators such as a solar power generator is also included in this embodiment.
  • the present embodiment is an example in which the offshore pumped storage power generation apparatus shown in any of the first to eleventh embodiments is used as an output adjustment apparatus for a power generation apparatus in which another power generation output varies.
  • FIG. 27 is an embodiment 14 showing an example of using the offshore pumped storage power generation apparatus shown in any of the first to eleventh embodiments as an output adjustment apparatus of a power generation apparatus in which another power generation output varies.
  • the offshore pumped-storage power generator 40 and the floating offshore wind power generator 43 are connected by a cable 50.
  • the offshore pumped-storage power generation apparatus 40 is used as an output adjustment apparatus for the floating offshore wind power generation apparatus 43.
  • the offshore pumped-storage power generator 40 is installed between the grid connection point and the floating offshore wind power generator 43, and the power output of the floating offshore wind power generator 43 is the pumped water of the offshore pumped-power generator 40. Shall be used.
  • the offshore pumped storage power generation apparatus 40 of the present embodiment it is possible to adjust the power generation amount, so that it is possible to adjust the power generation amount according to the power demand. Further, since the offshore pumped storage power generation apparatus 40 can keep the power generation output constant, it is also possible to keep the output at the grid connection point constant.
  • a floating offshore wind turbine that can be installed near the offshore pumped storage power generator 40 in order to reduce power loss during power transmission between the offshore pumped storage power generator 40 and the floating offshore wind turbine generator 43.
  • the power generation device 43 is used, an example in which an onshore wind power generation device or a landing type offshore wind power generation device is used instead of the floating offshore wind power generation device 43 is also included in this embodiment.
  • this invention is not limited to the above-mentioned Example, Various modifications are included.
  • the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
  • a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

　La présente invention porte sur un dispositif de génération d'énergie à stockage à pompage marin, lequel dispositif élimine le flottement et la submersion d'une partie de pompage d'eau et d'une partie de génération d'énergie quelle que soit la quantité d'eau dans un réservoir de stockage d'eau, même quand le dispositif de génération d'énergie à stockage à pompage est situé sur l'océan, et lequel permet de maintenir tout à la fois la fonction de pompage et la fonction de génération d'énergie sans augmenter le coût. Un dispositif de génération d'énergie à stockage pompage marin selon la présente invention est caractérisé en ce que : il est installé sur l'océan ; il est constitué par une partie de pompage d'eau pour pomper de l'eau, une partie de génération d'énergie pour la génération d'énergie hydroélectrique, et une partie de réservoir de stockage d'eau pour stocker de l'eau ; et il comporte un mécanisme mobile pour déplacer indépendamment tout ou partie de la partie de réservoir de stockage d'eau par rapport à la partie de pompage d'eau et de la partie de génération d'énergie en fonction de la flottaison et de la submersion de tout ou partie de la partie de réservoir de stockage d'eau.
PCT/JP2013/073035 2013-08-28 2013-08-28 Dispositif de génération d'énergie à stockage à pompage marin, et dispositif de stockage d'énergie WO2015029165A1 (fr)

Priority Applications (2)

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JP2015533850A JPWO2015029165A1 (ja) 2013-08-28 2013-08-28 洋上揚水発電装置及び電力貯蔵装置
PCT/JP2013/073035 WO2015029165A1 (fr) 2013-08-28 2013-08-28 Dispositif de génération d'énergie à stockage à pompage marin, et dispositif de stockage d'énergie

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PCT/JP2013/073035 WO2015029165A1 (fr) 2013-08-28 2013-08-28 Dispositif de génération d'énergie à stockage à pompage marin, et dispositif de stockage d'énergie

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673330A (zh) * 2016-01-13 2016-06-15 中国大唐集团科学技术研究院有限公司 一种以风能和太阳能为动力来源的发电方法
CN107893731A (zh) * 2017-09-08 2018-04-10 成都超天硕科技有限公司 一种新型水力发电装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06200516A (ja) * 1991-07-01 1994-07-19 Hitomi Shimada 水上浮体防風波・風波力発電装置
JP2012233437A (ja) * 2011-05-01 2012-11-29 Noriaki Fujimura 洋上揚水発電貯水方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06200516A (ja) * 1991-07-01 1994-07-19 Hitomi Shimada 水上浮体防風波・風波力発電装置
JP2012233437A (ja) * 2011-05-01 2012-11-29 Noriaki Fujimura 洋上揚水発電貯水方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673330A (zh) * 2016-01-13 2016-06-15 中国大唐集团科学技术研究院有限公司 一种以风能和太阳能为动力来源的发电方法
CN107893731A (zh) * 2017-09-08 2018-04-10 成都超天硕科技有限公司 一种新型水力发电装置

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