WO2010116530A1 - 洋上自然エネルギー変換装置 - Google Patents
洋上自然エネルギー変換装置 Download PDFInfo
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- WO2010116530A1 WO2010116530A1 PCT/JP2009/057368 JP2009057368W WO2010116530A1 WO 2010116530 A1 WO2010116530 A1 WO 2010116530A1 JP 2009057368 W JP2009057368 W JP 2009057368W WO 2010116530 A1 WO2010116530 A1 WO 2010116530A1
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- magnesium
- natural energy
- energy conversion
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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
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
- F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
- F03B13/1815—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with an up-and-down movement
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- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Definitions
- the present invention relates to an offshore natural energy conversion device using wave power, wind power and sunlight at sea and a natural energy utilization system including a method for storing, transporting and regenerating electric energy.
- the present invention provides a means capable of efficiently converting natural energy including wave power, wind power and, optionally, sunlight in the ocean into electricity.
- the present invention provides a system that enables efficient and inexpensive storage and transportation of electrical energy produced in large quantities by producing magnesium from seawater using the electrical energy thus converted. Is.
- the conventionally proposed wave power generation is considered to be an advantageous power generation method in terms of using enormous, sustained and high-density wave power as an energy source, but has not yet been put into full-scale practical use. Is the current situation.
- Patent Documents 1 to 4 various types of wave power generation have been proposed.
- the main method is to generate a flow of air or water using the vertical movement of a large wave, collect the flow by a duct, and drive a turbine to generate electricity.
- a conventional wave power generation device that uses seawater flow energy
- the kinetic energy of a high-pressure fluid cannot be used efficiently.
- a large-scale system is inevitably necessary, and there is a problem that the power generation facility must be enlarged. Therefore, many problems remain from the viewpoint of power generation costs and efficient use of natural energy.
- a gyro wave power generation device in which the floating moment of the sea is received by a control moment gyro and power is generated using the energy.
- this power generator is expected to be structurally complex and expensive.
- JP-A-6-280240 Japanese Patent Laid-Open No. 5-164036 JP 2005-207332 A International Publication WO 02/077369 A1 International Publication WO 01/01620 International Publication WO 015/015844
- magnesium chloride MgCl
- magnesium is produced using electrolysis smelting or thermal reduction smelting, and has been mainly used as a negative electrode material (hydrogen storage material) for nickel-MH batteries.
- a negative electrode material hydrogen storage material
- nickel-MH batteries nickel-MH batteries
- An object of the present invention is to provide an offshore natural energy conversion device using wave power, wind power and sunlight at sea, and a natural energy utilization system including a method for storing, transporting and recycling electric energy. .
- the present invention provides a system that enables efficient and inexpensive storage and transportation of electrical energy produced in large quantities by producing magnesium from seawater using the electrical energy thus converted. It is for the purpose.
- the present invention efficiently manufactures various structural members, hydrogen fuel (hydrogen storage material), magnesium raw materials used for industrial raw materials, and enables recycling and recycling of the raw materials in multiple stages.
- the purpose is to provide a means of utilizing natural energy that realizes the effective use and recycling of seawater resources, and does not emit harmful waste that causes pollution, thereby significantly reducing the environmental impact. To do.
- an offshore natural energy conversion device includes a mother body and a movable wing that is swingably connected to the mother body, and is arranged on the sea surface to respond to the vertical movement of the wave. And a movable wing that amplifies the vertical movement of the movable wing by correlating the fluctuation with the wind force passing through the sea surface, and is connected to the movable wing and added from the vertical movement of the movable wing.
- a pump for generating a pressurized fluid and a generator driven by the pressurized fluid from the pump are provided.
- the movable wing of the offshore natural energy conversion device can further include a solar power generation device.
- the swing control means for controlling the swing amplitude of the movable blade can be further provided, and the swing control device is, for example, at least one selected from the group consisting of a spring, an air spring, and an electric device. Can be.
- the mother body may be a land including a grounded structure, or an offshore floating structure including an artificial floating island and a hull.
- a movable blade variable device that can freely change the fixed position and orientation of the movable blade with respect to the vertical direction and / or the horizontal direction.
- the offshore natural energy conversion device can include means for using at least a part of the generated electric power for the propulsive force of the mother body, and further, the pressurized pressurized by the pump. It is also possible to provide means for using the propulsive force of the mother body after at least a part of the pressurized fluid or the pressurized fluid is used for the operation of the generator.
- a plurality of the above-mentioned offshore natural energy conversion devices can be connected and operated integrally with each other.
- the swing control means can be controlled so that the swing amplitude of the movable blade is relatively larger than the swing amplitude of the mother body.
- the offshore natural energy conversion device may be configured such that the movable wing has a function of attenuating wave oscillation, and can be installed on a coast and / or a floating body to function as a wave protection device. Is possible.
- the offshore natural energy conversion device can include a movable wing variable device that can move the movable wings so that the movable wings can expand and contract or fold according to the strength of the wind waves.
- the present invention includes a method for producing magnesium using natural energy, including the step of producing magnesium from seawater on the matrix using the electric power obtained by the above-described offshore natural energy conversion device.
- magnesium hydroxide (Mg (OH)
- MgCl magnesium chloride
- HCl hydrochloric acid
- the present invention includes a method for producing hydrogen using natural energy, including the step of producing hydrogen by electrolyzing seawater on the matrix using the electric power obtained by the offshore natural energy conversion device described above. To do.
- the present invention encompasses a method for producing a magnesium hydride containing, using natural energy to obtain a magnesium hydride (MgH 2) with magnesium and hydrogen obtained by the above method.
- the present invention also provides a primary use using a magnesium alloy made of magnesium obtained by the above method or other conventional methods as a structural material, and a hydrogen obtained using a magnesium alloy as a waste material for the primary use as a raw material.
- a method for recycling and using magnesium material including a step of quaternary use as a raw material for producing magnesium chloride and a step of producing magnesium metal from magnesium chloride obtained as a result of the quaternary use.
- the magnesium alloy as the waste material when used for the second time, a step of adding calcium and aluminum in the range of 1 to 50% by weight to the magnesium alloy as the waste material for primary use.
- secondary use using magnesium hydride as a hydrogen storage material is included.
- wave power, wind power and sunlight which are enormous marine energy, can be efficiently converted into mechanical kinetic energy or electric power using an integrated system.
- magnesium, hydrogen and magnesium hydride can be produced on the ocean using electrical energy converted on the ocean, and a large amount of electrical energy converted from ocean natural energy is stored, transported and regenerated. It can be used.
- Sectional drawing which shows one embodiment of this invention. Sectional drawing which shows correlation with the movable blade of the apparatus which concerns on this invention, a wave, and a wind. Sectional drawing which shows one embodiment of this invention. Sectional drawing which shows one embodiment of this invention. The flowchart which shows the storage / transport of electric energy and the recycling
- An offshore natural energy conversion device is a mother body and movable wings swingably connected to the mother body, and is arranged on the sea surface and rocks in accordance with the vertical movement of the wave.
- a correlating wind force passing through the sea surface is correlated with the swing, so that the vertical motion of the movable blade is amplified, and a pressurized fluid is generated from the vertical motion of the movable blade connected to the movable blade.
- a generator driven by the pressurized fluid from the pump.
- the movable wing of the present invention unlike the conventional float, the movable wing having a flat wing shape projects between the waves to form an air pocket and further to the lower part of the movable wing.
- the falling phenomenon due to the weight of the movable wing can be utilized to effectively amplify the swinging motion of the movable wing.
- the correlation between the movable wing and the wave is on the convex part of the wave moving in the direction perpendicular to the long side.
- the bottom of the concave portion between the waves is pushed down by the wind pressure while the wind force circulates and applies lift to the movable blade, and then the wave convex portion is pushed out from the lower portion of the movable blade by the wind pressure pushing the wind pool.
- the movable wing loses its buoyancy momentarily and falls to the concave portion of the next wave coming from the drop phenomenon due to the weight of the movable wing. Since the center of gravity of the movable wing sinks deeper than the positional relationship with the sea surface by normal buoyancy due to acceleration, the swinging motion of the movable wing is amplified. In this case, the drop increases as the wave irregularity increases, and the acceleration of the drop increases, and the correlation becomes faster as the wind pressure increases.
- the pumping action of the oscillating motion is achieved by the structure including the stationary side of the mother body serving as a fulcrum and the movable wing on the movable side serving as a force point, and the linkage interlockingly serving as the action point.
- the fluid can be pressurized to a high pressure.
- the generator is driven by the pressurized fluid from the pump.
- the movable wing of the offshore natural energy conversion device can further include a solar power generation device.
- the swing control means for controlling the swing amplitude of the movable blade can be further provided, and the swing control device is, for example, at least one selected from the group consisting of a spring, an air spring, and an electric device. Can be.
- the mother body may be a land including a grounded structure, or an offshore floating structure including an artificial floating island and a hull.
- a movable blade variable device that can freely change the fixed position and orientation of the movable blade with respect to the vertical direction and / or the horizontal direction.
- the offshore natural energy conversion device can include means for using at least a part of the generated electric power for the propulsive force of the mother body, and further, the pressurized pressurized by the pump. It is also possible to provide means for using the propulsive force of the mother body after at least a part of the pressurized fluid or the pressurized fluid is used for the operation of the generator.
- a plurality of the above-mentioned offshore natural energy conversion devices can be connected and operated integrally with each other.
- the swing control means can be controlled so that the swing amplitude of the movable blade is relatively larger than the swing amplitude of the mother body.
- the offshore natural energy conversion device may be configured such that the movable wing has a function of attenuating wave oscillation, and can be installed on a coast and / or a floating body to function as a wave protection device. Is possible.
- the offshore natural energy conversion device can include a movable wing variable device that can move the movable wings so that the movable wings can expand and contract or fold according to the strength of the wind waves.
- the above swing control device causes the moment of inertia of the ascending motion to disappear quickly to lower the movable blade, and the next ascending stroke (fluid pressurizing stroke).
- the moment of inertia of the ascending motion disappear quickly to lower the movable blade, and the next ascending stroke (fluid pressurizing stroke).
- it is convenient in a floating structure where the mother side moves like a ship, even after passing through the actuator by high-pressure fluid (air), Alternatively, even if it is directly ejected from the nozzle into the seawater, it is possible to reduce the loss and obtain thrust.
- a high-pressure fluid from a plurality of pumps is configured in a single system in which a system including a pump and a movable blade including a circulation system is linked to each other, and the operating device and the rotating shaft of the generator are connected.
- the movable wing is connected and interlocked by connecting a variable body between the connecting body to be connected and the gantry, it will be able to avoid damage such as high waves during typhoons and changes in sea surface swells, and to adapt to the sea surface conditions. Can drive to.
- the present invention includes a method for producing magnesium using natural energy, including the step of producing magnesium from seawater on the matrix using the electric power obtained by the offshore natural energy conversion device. To do.
- magnesium hydroxide (Mg (OH)
- MgCl magnesium chloride
- HCl hydrochloric acid
- the present invention includes a method for producing hydrogen using natural energy, including the step of producing hydrogen by electrolyzing seawater on the matrix using the electric power obtained by the offshore natural energy conversion device described above. To do.
- the present invention encompasses a method for producing a magnesium hydride containing, using natural energy to obtain a magnesium hydride (MgH 2) with magnesium and hydrogen obtained by the above method.
- the present invention also provides a primary use using a magnesium alloy made of magnesium obtained by the above method or other conventional methods as a structural material, and a hydrogen obtained using a magnesium alloy as a waste material for the primary use as a raw material.
- a method for recycling and using magnesium material including a step of quaternary use as a raw material for producing magnesium chloride and a step of producing magnesium metal from magnesium chloride obtained as a result of the quaternary use.
- a step of adding calcium and aluminum in the range of 1 to 50% by weight to the magnesium alloy as the waste material for primary use includes secondary use using magnesium alloy or magnesium hydride (alloy) as a hydrogen storage material.
- magnesium hydroxide As seawater and is widely provided as seawater and soil improvement materials, industrial materials, gastrointestinal drugs, etc., but there is no residue from the use of magnesium or magnesium alloy waste materials. Absent.
- magnesium hydroxide After smelting magnesium from seawater with electrical energy converted by offshore natural energy, and then using it as magnesium or magnesium alloy, hydrogen fuel can be made by hydrolysis, and if the remaining magnesium hydroxide can be reused, magnesium can be wasted There is no effective recycling.
- magnesium is advantageous both in the environment and in the industry because it can select the only method that does not produce pollutants among metal resources.
- the first issue is to keep magnesium alloy waste or metallic magnesium safe at room temperature and to perform high energy treatment for hydrogenation (hydrogen storage). Processing is required. And it is necessary to spend a lot of labor and input energy for the process, and there is a problem that the manufacturing cost increases. For this reason, the current situation is that it has not been applied to hydrogen production technology utilizing hydrolysis.
- the second problem is that the conventionally proposed hydrogen generation technology requires a hydrolysis reaction in a high temperature region of 600 ° C. or higher, and thus has a large heat load and is not practical.
- the present inventor has already proposed a low-cost and efficient production method for producing a suitable material (hydrogen storage material) for hydrolysis from magnesium alloy waste material or magnesium as a technique for solving the above two problems, and A method of controlling hydrogen production safely and efficiently in a normal temperature range using a hydrogen storage material and magnesium has been proposed (Patent Documents 5 and 6).
- a low-cost production method for producing a high-energy material capable of generating more hydrogen from hydrolysis of magnesium alloy waste material or magnesium, and using this material, hydrolysis is safe at room temperature.
- Incorporating the method that can be used to control hydrogen generation into the technology that the present inventor has already proposed makes it possible to store and transport a large amount of electric energy, which has been difficult until now.
- the above-mentioned useful process can be realized more efficiently and stably by the above-mentioned multistage circulation utilization method of magnesium.
- magnesium can be used continuously in multiple stages, such as smelting, structure material, hydrolysis, and industrial use. Furthermore, even in the course of such a multi-stage utilization process, no harmful substances that cause pollution are produced as a by-product.
- a plurality of natural energies such as enormous wave power, wind power and sunlight at sea can be converted into useful energy efficiently and at low cost regardless of the scale of the apparatus. Can do.
- This conversion technique can be applied to a wide range of areas such as coasts and offshore floating structures.
- the converted electrical energy can be stored, transported and regenerated from the ocean by replacing it with magnesium metal at sea, and can be used for multistage circulation of magnesium on land. It is also advantageous from the viewpoint of recycling seawater resources.
- FIG. 1 and 3 are schematic cross-sectional views showing an embodiment of the offshore natural energy conversion device according to the present invention, respectively, and FIG. 2 is an explanatory view showing the correlation between wave force and wind force in the cross section of the movable blade.
- FIG. 4 is a schematic sectional view of the present invention when employed in a hull.
- the offshore natural energy conversion device shown in FIG. 1 includes a mother body 2, movable blades 3, solar cells 4, pistons 8, swing control device 10, support tube 15, cylinder 16, check valves 20, 22, actuating device 25, power generation.
- the wing-shaped movable wing 3 in which the solar cell 4 is arranged on the upper surface is connected to the gantry 11 via the rotating shaft 7 connected to the mother body 2 inside the recess 35.
- the tip of the gantry 121 and the movable wing 3 are connected via a connecting body 19, and the movable wing 3 is provided to float on the sea surface 5 so as to be able to swing up and down.
- the movable wing 3 is made of a light plastic material with a flat cross-section so that the movable wing 3 can easily generate a swinging motion due to a drop between wave irregularities, and can withstand the shock of the wave. As shown in FIG.
- the movable wing 3 is configured such that the direction and the position of the movable wing 3 can be freely arranged up and down and left and right by providing a motorized variable device 12 between the connecting body 19 and the gantry 11.
- variable device 12 is configured such that a long side of the variable device 12 is perpendicular to the mother body 2 during normal operation in order to protect the movable blade 3, such as a high wave during a typhoon or a storm, by rotating the variable device 12. Can be parallel. Moreover, when stopping driving
- the upper end of the gantry 11 connected to the base body 2 is movably connected to one end of a piston 8 and a swing control device 10 constituting a fluid pressurizing pump. Further, a cylinder 16 of a fluid pressurizing pump to which a fluid inflow and outflow circulation system pipe is attached is connected to a tip end portion of a support tube 15 fixed to the base body 2 and protruding. Moreover, various pumps, such as a bellows, can be adopted as a pump type.
- the fluid inflow and outflow circulation pipes attached to the head of the cylinder 16 are disposed inside the support pipe 15 and connected to the high pressure fluid 40 and low pressure fluid 50 pipes via check valves 20 and 22 respectively. Then, a fluid in which a material suitable for the purpose, such as air, water, or silicon oil, is circulated. Of these, it is convenient to use air or seawater as fluid, and air is the most desirable.
- the swing control device 10 can moderately push down the pedestal 11 and limit the swing motion range as a function, and employs a metal spring or an air spring as well as an electric motor, and the device is configured as necessary.
- a single or a plurality of swing control devices are provided.
- the distal end portion of the swing control device 10 is inserted through a guide port provided in the support tube 15 and is configured such that, for example, a metal spring or an air spring sandwiches the support tube 15.
- the piping of the high-pressure fluid 40 is connected to the input port of the operating device 25 whose rotating shaft is connected to the generator 26, while the required number of piping of the low-pressure fluid 50 connected to the output port of the operating device 25 is provided.
- the fluid pressurizing pump is connected to and connected to the piping system of the cylinder 16 so that the fluid can circulate.
- the above-described correlation between the wave force by the movable blade 3 and the wind force will be described in more detail with reference to FIG.
- the traveling direction of the wind force flowing in the direction perpendicular to the long side of the movable wing 3 is W
- the traveling direction of the wave irregularities is M
- the wave irregularities of the sea surface 5 are moving toward the movable blade 3 in the order of 5a, 5b, 5c, 5d.
- the wave recess 5b is created by applying wind force to the movable wing 3 by wind pressure by creating an air pocket in the wave gap 5b by the overhang of the surface of the movable wing 3 so When the wind pressure is pushed down by the wind pressure and then the wind pressure is pushed by the wind pressure, the wave projection 5 a is pushed out from the lower part of the movable blade 3.
- the movable wing 3 momentarily loses buoyancy, the movable wing 3 falls into the concave portion 5b of the wave that moves next from the drop phenomenon due to the gravity of the movable wing 3.
- the swinging motion of the movable blade 3 is amplified by the amount that the center of gravity of the movable blade sinks deeper than the positional relationship with the sea surface due to normal buoyancy due to acceleration.
- the movable blade 3 is arranged in parallel to the base body 2.
- the mother body 2 can be an offshore floating structure such as an artificial floating island or a hull.
- the movable blade 3 moves up and down in accordance with the movement of the water surface in contact with the base body 2, the fluid is pressurized by the pump action, and is converted from fluid motion to electrical energy.
- mooring means can not be expected especially in the deep sea, so it is always necessary to thrust to place the artificial floating islands assuming that they are washed away by ocean currents. And it is possible to cover the thrust required in this case with the electric power from an electrical conversion system.
- the swing control device When the mother body is a hull and the converter of the present invention is operated while the hull is traveling, the swing control device is controlled to generate power while sliding the movable wing like a water ski. It is preferable to perform the operation while minimizing the resistance.
- the use of fluid pressurized to high pressure by a pump action is, for example, if the fluid is air or the like, after passing through the actuator 25 or directly against seawater.
- the loss can be reduced as much as possible and the necessary thrust can be obtained.
- a plurality of natural energies such as wave power, wind power and sunlight can be combined or efficiently and integrated into electricity or It can be converted into propulsion.
- a pn-coupled semiconductor solar cell or a dye-sensitized solar cell can be used after being waterproofed.
- FIG. 5 is a flowchart 100 of the energy storage / transport / recycling method, and the outline of the recycling process of the magnesium material will be described with reference to this figure.
- a series of processes are start 101, pretreatment 102, smelting 103, storage / transport 104, untreated 105, alloying treatment 106, hydrogenation treatment 107, hydrolysis 108, untreated 109, catalyst treatment 110, and post treatment 111. , And end 112. In addition, energy 115 is input to these series of processes.
- magnesium hydroxide (Mg (OH)
- MgCl magnesium chloride
- MgCl magnesium chloride
- MgCl metallic magnesium
- Mg is produced by smelting or plasma decomposition smelting and thermal reduction smelting to replace the input electric energy with a substance called magnesium, and this is then stored and transported 104.
- a magnesium alloy is manufactured by adding manganese (Mn), aluminum (Al), zinc (Zn), calcium (Ca) and the like by alloying treatment 106.
- the magnesium alloy thus obtained is used as a material for various structures and components for primary use.
- the magnesium alloy waste material of the structure or the pulverized particles are obtained by hydrogenating magnesium by the hydrogenation treatment 107.
- hydrogen can be generated from the obtained magnesium hydride alloy or magnesium hydride (MgH 2 ) by hydrolysis 108. Hydrogen obtained by this water splitting can be recycled as energy.
- the obtained hydrogen is a regenerative energy of the energy input with the energy 115. Therefore, the electric energy obtained by converting the natural energy on the ocean according to the present invention is input as the energy 115, and the generated hydrogen is used on land as fuel, so that the electric energy obtained on the ocean is regenerated on land. It means to do.
- the magnesium alloy as a waste material for primary use has a small amount of calcium and aluminum. Therefore, in order to further enhance the effect of the redox reaction of the electrode material and the reaction with water, these elements can be further added in the range of 1 to 50% by weight.
- these elements can be further added in the range of 1 to 50% by weight.
- the reaction with water tends to be promoted as the amount of calcium added increases.
- the tendency for the amount of hydrogen generation by hydrolysis to increase increases as the amount added increases.
- the catalyst treatment 110 the remaining magnesium hydroxide mixture or magnesium hydroxide (Mg (OH)) produced from the magnesium hydride alloy or magnesium hydride (MgH 2 ) after one hydrolysis reaction is converted into seawater or soil. It can be used as an improved material or industrial material. As a result, the magnesium material is finally discarded or returned to the sea as a natural product, and finally circulated once by the seawater collecting operation at start 101.
- Mg (OH) magnesium hydroxide
- MgH 2 magnesium hydroxide
- magnesium hydroxide mixture or magnesium hydroxide (Mg (OH)) is regenerated by using post-treatment 111 with hydrochloric acid to produce magnesium chloride (MgCl), and magnesium chloride (MgCl) produced in the pretreatment 102. Join and make one cycle.
- the energy 115 is replaced by a substance by the energy input by the smelting 103.
- This work enables the storage, transport, and regeneration of large amounts of electrical energy that have been previously considered difficult.
- the energy 115 in this case does not specify the type of energy, the conversion location, the conversion method, etc., but is a work method according to the nature of the energy. If it is electric power, the electrolysis smelting method or the plasma decomposition smelting method If it is the heat of combustion, it will be a thermal reduction smelting method.
- the present invention is not limited to the embodiment described above, and can be improved or changed within the scope of the purpose of the improvement or the idea of the present invention.
- the present invention relates to technology for converting natural energy consisting of wave power, wind power and solar power generation to useful energy such as electric energy and mechanical energy, including wave power generation on the ocean, and utilization of hydrogen energy based on magnesium material. It can be widely used in the construction of renewable energy utilization systems including technology, and is extremely useful for the transition to a sustainable recycling society.
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Abstract
Description
本発明に係る洋上自然エネルギー変換装置は、母体と、前記母体に揺動自在に接続された可動翼であって、海面に配置されて波の上下動に応じて揺動するとともに、この揺動に海面を通過する風力を相関させて前記可動翼の上下運動が増幅されるようにした可動翼と、前記可動翼に接続され該可動翼の上下動から加圧流体を発生させるためのポンプと、前記ポンプからの加圧流体によって駆動される発電機とを具備するものである。
本発明は、上述した洋上自然エネルギー変換装置によって得られた電力を用い、前記母体上において海水からマグネシウムを製造する工程を含む、自然エネルギーを用いるマグネシウムの製造方法を包含する。
本発明によれば、マグネシウム合金の廃材もしくはマグネシウムから加水分解でより多くの水素を生成できる高エネルギー材料を製造する低コストな製造方法と、且つ、その材料を使って加水分解が常温域で安全に行われ水素生成の制御ができる方法とを、本発明者が既に提案している技術に組み込むことによって、これまで困難であった大量の電気エネルギーの貯蔵・輸送が可能となる。
3 可動翼
4 太陽電池
5 海面
8 ピストン
10 揺動制御装置
11 架台
12 連結装置
15 支持管
16 シリンダー
(18 配線)
19 連結体
25 作動装置
26 発電機
28 変電装置
29 制圧弁
40 高圧流体
50 低圧流体
60 電力
Claims (18)
- 母体と、
前記母体に揺動自在に接続された可動翼であって、海面に配置されて波の上下動に応じて揺動するとともに、この揺動に海面を通過する風力を相関させて前記可動翼の上下運動が増幅されるようにした可動翼と、
前記可動翼に接続され該可動翼の上下動から加圧流体を発生させるためのポンプと、
前記ポンプからの加圧流体によって駆動される発電機とを具備する、洋上自然エネルギー変換装置。 - 前記可動翼が、太陽光発電装置をさらに具備する、請求項1に記載の洋上自然エネルギー変換装置。
- 前記可動翼の揺動振幅を制御する揺動制御手段をさらに具備する、請求項1または2に記載の洋上自然エネルギー変換装置。
- 前記揺動制御装置が、ばね、エアースプリングおよび電動装置からなる群から選ばれた少なくとも1つである、請求項3に記載の洋上自然エネルギー変換装置。
- 前記母体が、接地構造物を含む陸地、または人口浮島および船体を含む洋上浮体構造物からなる、請求項1~4のいずれか1項に記載の洋上自然エネルギー変換装置。
- 前記可動翼の固定位置および向きを上下方向または/および水平方向に対して自在に変化させ得る可動翼可変装置をさらに具備する、請求項1~5のいずれか1項に記載の洋上自然エネルギー変換装置。
- 発電された電力の少なくとも一部を前記母体の推進力に用いるための手段を具備する、請求項1~6のいずれか1項に記載の洋上自然エネルギー変換装置。
- 前記ポンプにより加圧された加圧流体の少なくとも一部、もしくは該加圧流体が前記発電機の作動に使用されたのちに、前記母体の推進力に用いるための手段を具備する、請求項1~7のいずれか1項に記載の洋上自然エネルギー変換装置。
- 請求項1~8のいずれか1項に記載の洋上自然エネルギー変換装置が複数個連結されてなる、洋上自然エネルギー変換装置。
- 前記母体の揺動振幅よりも前記可動翼の揺動振幅の方が相対的に大きくなるように前記揺動制御手段を制御するようにした、請求項1または2に記載の洋上自然エネルギー変換装置。
- 前記可動翼が波の揺動を減衰させる機能を有し、海岸および/または浮体に設置して防波装置としても機能するようにした、請求項1または2に記載の洋上自然エネルギー変換装置。
- 前記可動翼を、風波の強度に応じて、伸縮ないし折り畳み自在に可動させ得る可動翼可変装置を具備する、請求項1~5のいずれか1項に記載の洋上自然エネルギー変換装置。
- 請求項1~12のいずれか1項に記載の洋上自然エネルギー変換装置によって得られた電力を用い、前記母体上において海水からマグネシウムを製造する工程を含む、自然エネルギーを用いるマグネシウムの製造方法。
- 原料としての海水から水酸化マグネシウム(Mg(OH))を回収し、
塩酸(HCl)を用いて塩化マグネシウム(MgCl)を生成した後、
得られた塩化マグネシウム(MgCl)を電気分解製錬、プラズマ分解製錬および熱還元製錬からなる群から選ばれた方法によって製錬することによってマグネシウムを得る工程を含む、請求項13に記載の方法。 - 請求項1~12のいずれか1項に記載の洋上自然エネルギー変換装置によって得られた電力を用い、前記母体上において海水を電気分解することによって水素を製造する工程を含む、自然エネルギーを用いる水素の製造方法。
- 請求項13または14に記載の方法によって得られたマグネシウムと、請求項15に記載の方法によって得られた水素を用いて水素化マグネシウム(MgH2)を得る工程を含む、自然エネルギーを用いる水素化マグネシウムの製造方法。
- 請求項13に記載の方法もしくは他の常法によって得られたマグネシウムを原料とするマグネシウム合金を構造材料として用いる一次利用と、
前記一次利用の廃材としてのマグネシウム合金を原料として得られた水素化マグネシウムを水素吸蔵材料として使用する二次利用と、
前記二次利用の結果得られた水酸化マグネシウムおよび場合により酸化マグネシウムを工業材料資源として使用する三次利用と、
前記三次利用の結果物を廃棄するか、もしくは塩化マグネシウムの製造原料として使用する四次利用と、
前記四次利用の結果得られた塩化マグネシウムから金属マグネシウムを製造する工程を含む、マグネシウム材料の循環利用方法。 - 請求項17に記載の前記一次利用の廃材としてのマグネシウム合金に、カルシウム、アルミニウムをそれぞれ1重量%~50重量%の範囲で添加する工程をさらに含む、マグネシウム合金または水素化マグネシウム合金を水素吸蔵材料として使用する二次利用を含む、請求項17に記載の方法。
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CN102384015A (zh) * | 2011-09-06 | 2012-03-21 | 集美大学 | 波浪能驱动的曳引式海洋环境自动监测系统 |
JP2013128397A (ja) * | 2012-11-09 | 2013-06-27 | Shigekatsu Hanai | 地熱利用海水マグネシュウム抽出燃焼発電システム |
GB2514756A (en) * | 2013-03-24 | 2014-12-10 | Shmuel Ovadia | Ocean-wave energy conversion apparatus and float therefor |
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