WO2007078354A2 - Système maritime de production d'hydrogène - Google Patents

Système maritime de production d'hydrogène Download PDF

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Publication number
WO2007078354A2
WO2007078354A2 PCT/US2006/035992 US2006035992W WO2007078354A2 WO 2007078354 A2 WO2007078354 A2 WO 2007078354A2 US 2006035992 W US2006035992 W US 2006035992W WO 2007078354 A2 WO2007078354 A2 WO 2007078354A2
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WO
WIPO (PCT)
Prior art keywords
hydrogen
wind
framework
wind turbine
vessel
Prior art date
Application number
PCT/US2006/035992
Other languages
English (en)
Other versions
WO2007078354A3 (fr
Inventor
David Wayne Nicholson
Original Assignee
David Wayne Nicholson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by David Wayne Nicholson filed Critical David Wayne Nicholson
Publication of WO2007078354A2 publication Critical patent/WO2007078354A2/fr
Publication of WO2007078354A3 publication Critical patent/WO2007078354A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H19/00—Marine propulsion not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
    • 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
    • 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
    • F05B2220/00—Application
    • F05B2220/61—Application for hydrogen and/or oxygen production
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • 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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the invention relates to wind power generation systems mounted on a ship to produce hydrogen for transfer to ships or land base operations.
  • This proposed inventive system to obtain hydrogen would operate freely floating or anchored while facing into the wind.
  • the system would consist of a wide and tall, vertical framework supported by a deck spanning between and supported by two hulls thereby forming a catamaran.
  • the framework would contain one or more tall vertical towers which would rise from the catamaran deck onto which forward facing turbines would be mounted one above the other.
  • This catamaran anchored from the bow would naturally point into the wind and the wind driven waves and therefore no yaw motion is required for the turbines. Any tendency for small catamaran oscillations could be automatically countered by bow and stern thruster actions. If the vessel were floating freely the thrusters would keep it directed to face the wind as it moved down wind.
  • the main engines could idle against the wind to maintain a fixed location or to reposition the system upwind. Therefore this system can easily be relocated to a new site with better winds, move out of the way of a severe storm or return to the home port for major maintenance. It is anticipated that the crews would be transferred to and from shore by ship or helicopter with no interruption of hydrogen production.
  • Some structural members of the frame would be hollow with elevators or ladders to permit access into the rear of each turbine nacelle for inspection and maintenance. While at dock the frame would lay flat on the aft part of the catamaran deck with all the turbines pointing upwards. That orientation would permit passage under some bridges, and would be extremely stable in rough ocean weather. While at dock the shore crane could easily remove any blade and or turbine and quickly install replacements so that the ship could go back out to sea quickly. The design would permit the replacement of any rotor blade or nacelle while at sea when the frame is horizontal.
  • the lower edge of the vertical framework would be a hinged joint attached to the catamaran deck.
  • the framework carrying the turbines In preparing to operate, the framework carrying the turbines would be pivoted by a counterweight and locked to the vertical position by braces connected to the deck by slider joints and pinned to the rear of the vertical framework. Before a storms arrival or for high speed relocation of the catamaran, the framework would be pivoted backwards and onto the rear surface of the deck. Maintenance could be accomplished during this time. If needed, the shift in the center of gravity would be countered by ballast adjustment. The vessel can easily be relocated to a new site with better winds. It is anticipated that the vessel would be in port only for maintenance of the hulls or propulsion systems.
  • the invention is therefore a maritime hydrogen generation system comprising: a maritime vessel having a deck; a plurality of vertically mounted and spaced-apart wind turbine/fan electrical generators, the wind turbine/fan electrical generators being supported by a collapsible framework and oriented such that rotor blades of each of the plurality of the wind turbine/fan electrical generators are pointing into the wind; means for collapsing the framework so as to orient the plurality of wind turbine/fan electrical generators from a generally horizontal position to a generally vertical orientation for operating the wind turbine/fan electrical generators; one or more electrolyzers in electrical communication with the plurality of wind turbine/fan electrical generators, wherein the one or more electrolyzers produce hydrogen and oxygen; means for supplying water to the one or more electrolyzers; and means for collecting and storing the produced hydrogen for eventual transport to shore.
  • the maritime vessel can be a multiple hull vessel, such as a catamaran or tri-hull vessel, or a single hull vessel
  • the means for supplying water to the one or more electrolyzers further comprises means for demineralizing the water before introducing the water into said one or more electrolyzers.
  • the means for collapsing the framework further comprises counterweight means comprising one or more hollow chambers capable of filling with or discharging with sea or lake water as desired to facilitate the elevating and collapsing of the framework.
  • the system also includes crane means for facilitating the repair of the plurality of wind turbine/fan electrical generators.
  • the maritime vessel includes thruster means for maintaining the maritime vessel in a direction pointing into the wind.
  • the means for collecting and storing the produced hydrogen is a compressor and tank system suitable for storing hydrogen or a liquefier and insulated tank system suitable for storing hydrogen in a liquid form.
  • a benefit of the compressor and tank system is that the vessel can also utilize the produced hydrogen for its own operations.
  • the rotating frame concept can be applied to a single hull ship with the counterweights outside the ships gunwales and it will be stable as long as the ship points into the wind and the oncoming waves.
  • Each turbine can receive minor internal maintenance during operation while the frame is vertical.
  • the two hulls can be reworked old oil tankers and thousands are available since they can no longer be used for oil transport. Also decommissioned military ships could be retrofitted for the catamaran or single hull arrangements.
  • Each turbine could power one electrolyzer and its hydrogen output would blend with others before going into the common liquefier or compressor for tank storage.
  • the turbine speeds would be different which would reduce the maximum peak vibration forces of the entire system while maximizing the power output of each turbine.
  • the rotors can turn faster than land based units because there would be no noise or vibration restrictions that are disagreeable to humans nearby.
  • the downwind drift speed can be increased to reduce the wind speed over the rotors so that operation can continue.
  • Bird and bat kills would be negligible compared to those caused by land based turbines. It can be moved away from bird flyways depending upon the season of the year.
  • This system can be used anywhere in the world and can bring hydrogen power to energy poor areas.
  • the corrosion and saltwater damage should not be more than the bottom mounted turbines that are presently located near to the shoreline.
  • This vessel could be fossil fuel free by using the electricity from the turbines and the hydrogen energy to power all of the on board systems.
  • Fig. 1 is a front view of a double hull catamaran in full hydrogen production mode.
  • Fig. 2 is a side view of the catamaran with the frame stored on the deck and the top portion of the upper frame shown in production mode.
  • Fig. 3 is a top view of the catamaran with the frame in hydrogen production position.
  • Fig. 4 is a view showing the frame on the deck and preparations to replace the rotor blades and nacelles.
  • Fig. 5 is a partial side view showing the removal of a rotor.
  • Fig. 6 is a partial side view showing the removal of a nacelle.
  • Fig. 7 is the front view of the single hull vessel concept in full hydrogen production mode.
  • Fig. 8 is the side view of the single hull concept in full hydrogen production mode and a partial view of the frame lying on the deck.
  • Fig. 9 is the top view of the single hull vessel with the frame on the deck.
  • Fig. 10 is the schematic of the proposed system that captures wind energy, converts it into electricity, electrolyses water, captures the hydrogen and stores it for transfer to the shore as gas or as liquid.
  • Figure 1 shows the concept in the hydrogen generating mode as it faces into the wind.
  • the vessel consists of a wide and tall, vertical framework 1 that is supported by a deck 2 spanning between and supported by two hulls 3 & 4 thereby forming a catamaran.
  • This arrangement shows three vertical towers 5, 6 & 7 which rises from the catamaran deck 2 onto which several forward facing wind turbines 8 are mounted one above the other.
  • the wind turbines 8 are rigidly and perpendicularly mounted along with two angle braces 9 to the front surface of the main vertical members of the framework with their rotor blades facing away from the framework 1.
  • Figure 2 shows the concept in the most stable arrangement with no hydrogen being produced.
  • the vessel is viewed from the side with framework 1 resting on the deck 2 with the wind turbines 8 pointing upwards.
  • This figure also shows a partial view of the frame in the vertical position for hydrogen production with the wind turbines 8 pointing into the wind.
  • the frame 1 is supported by a shaft 10 and its bearings H at one end and on cushioned supports 12 at the other end of the frame.
  • the shaft 10 and bearings 11 form a hinged joint to the catamaran deck 2.
  • a hollow counterweight 14, typically in the form of one or more tanks or hollow chambers, is rigidly attached to shaft 10 and rotates with the vertical members.
  • Water typically sea or lake water
  • the vessel could also be designed for the counterweight to be above the water when the frame is vertical.
  • the framework 2 is secured in the vertical position by the shaft 10, rear braces 15 and a locking pin feature that is contained in the bracket underneath the forward edge of deck 2.
  • the pin or similar feature would engage a hole in a tang that is attached to the lower end of the framework. The pin would be disengaged prior to the frames rotation to the horizontal position.
  • the rotation of the frame 1 is controlled by several braces 15, which are pinned to the frame at one end and connected to another sliding pinned joint 16 that is contained and guided on the deck 2 surfaces.
  • These slider joints incorporate a bottom tang that extends through a slot in the deck and connects with a linear motion system that may be controlled by a hydraulic motor/pump 17 or similar means.
  • the frames rotation could be accomplished by other means and might include such features as gears, levers, chains, cables and air or hydraulic cylinders.
  • a movable crane 19 is shown that is used to replace rotors and/or nacelles at sea.
  • a door 20 allows the selected nacelles and rotors to be lowered into the hollow deck 2 for repair as well as to obtain replacement parts.
  • the pilot house 21 is located on the bow of hull 3. Thrusters in the bow 22 and stern 23 keep the vessel pointed into the wind.
  • Figure 3 shows the view of the vessel from above with the wind turbines 8 in full hydrogen production position.
  • the helipad 24 is shown on the bow of the port hull 4 and the pilot house 21 on the starboard bow 3.
  • the nacelle 25 lifting tabs 26 are shown in this view as well as the slots 27 through the deck 2 and guide system 28 for the slider joints 16.
  • This view shows the locking feature 18 engaged with the deck and thereby securing the frame 1 in the vertical position.
  • Cushion supports 12 are shown which support the frame when it is lying on the deck.
  • the crane 19 is used to replace parts.
  • Figure 4 shows the frame resting on the deck in preparation to remove any of the wind turbine blades 29 from me turbine hub 30.
  • the crane 19 is shown after it has removed and or relocated the diagonal braces 30 to obtain adequate working space.
  • Figure 5 shows the removal of one rotor blade 29 from the turbine shaft hub 30 by the use of the crane 19 which then places it into its transporter/storage rack 32 ready to lower into the interior of the deck 2 through the door 20. After all of the rotor blades 29 are removed from the hub 30 the two brackets 9 are disconnected from the sides of the nacelle 25.
  • Figure 6 is a partial side view of the vessel with the frame 1 lying on the deck 2. It shows the removal of the nacelle 25 from the frame 1 by using the crane 19 and placing the nacelle 25 into its transporter/work fixture 33. After securing the bottom edge of the nacelle 25 to the fixture 33 it is then tilted down to the horizontal position with the cover 34 of the nacelle on top to permit access to all of the interior areas.
  • This fixture 33 that now contains the nacelle is therefore ready to be placed by the crane into the lower work area of the deck 2.
  • the replacement nacelles and rotors are assembled in the reverse order of the steps shown in this figure and those steps shown in Figures 5 and 4.
  • FIG. 7 shows the front view of a single hull 35 arrangement of the hydrogen generator vessel in full operation facing into the wind.
  • This vessel arrangement consists of a framework of two vertical towers 36 which rise from the deck 37 onto which several forward facing wind turbines 38 are mounted one above the other.
  • the framework contains a shaft 39 that is supported by two or more bearings 40.
  • One counterweight 41 is shown on the port side and another 42 is on the starboard side.
  • Each counterweight 41, 42 is typically in the form of a one or more tanks or hollow chambers. Both are rigidly attached to shaft 39 and the vertical frame.
  • the edge of the helicopter pad 43 and the pilot house 44 is shown on this view also.
  • Figure 8 shows the single hull vessel from the side with the framework that contains two towers 36 in the vertical position to generate hydrogen. It also shows a partial view of the towers 36 in the horizontal position resting on the cushioned supports 45.
  • the wind turbines 38 are rigidly and perpendicularly mounted along with two angle braces 46 to the front surface of the framework with their rotor blades facing away and into the wind.
  • the starboard counterweight 42 provides half of the force to raise the framework to the vertical position. As it is shown submerged it minimizes the forces on the bearings 40 and on the hull 35.
  • the vessel could be designed for the counterweights to be above the waterline when the frame is vertical.
  • the framework 36 is secured in the vertical position by the shaft 39, rear braces 47 and a locking pin feature that is contained in the bracket underneath the forward edge of deck 37.
  • a pin contained in this bracket or similar feature would engage a hole in a tang that is attached to the lower end of the framework 36. The pin would be withdrawn prior to the frames rotation to the horizontal position. If the counterweights contain the proper amount of water a rapid lowering of the towers is possible without overloading the rear bracket system.
  • the slider joints 48 are guided by tracks 49 on or below the surface of the hollow deck 37. The speed and position of the sliders [are] can be controlled by a hydraulic motor/pump or similar system 50 inside the deck. A slot 51 through the top surface of the deck would permit the slider to be controlled by the system below.
  • a failsafe locking feature 52 is present on the slider that will lock the slider in any position in case of a power failure.
  • the rotation of the framework could be accomplished by other methods and might include features such as gears, levers, chains, cables and air or hydraulic cylinders.
  • the vessel is pointed into the wind by the bow 53 and stern 54 thrusters.
  • the pilot house 44 is shown located near the helicopter pad 43.
  • the movable crane 55 is used to remove malfunctioning parts and lower them into the hollow deck through door 56 for repair.
  • Figure 9 shows the view of the single hull 35 vessel from above with the framework resting on the deck 37.
  • the pilot house 49 is located far enough up wind of the turbines to cause little turbulence.
  • the helicopter pad 43 is on the bow and the crane 55 is positioned to replace any rotor blade or nacelle as described in Fig. 5 and 6. Those parts removed would be lowered by the crane through door 56 into the hollow deck for repair or storage.
  • Figure 10 is a schematic describing the conversion of the wind energy to storing the energy in the form of hydrogen.
  • the figure shows the wind energy moving around two or more wind turbines 57 causing their fan blades 58 to rotate, and thereby turning the shaft of the turbine which turns a generator inside the turbine housing.
  • the generator produces electricity which is routed to the electrolyzer 59.
  • the electricity in the form of direct current is applied to the anode and cathode poles which are immersed in water that has been demineralized and prepared in 60.
  • the resulting current between the poles separates the hydrogen and oxygen molecules.
  • the oxygen and other incidental gases may be released to the atmosphere and the hydrogen is collected and routed to a compressor 61 or liquefier 62.
  • the compressed hydrogen gas is then stored in structurally strong tanks 63 awaiting transfer to shore by boat or helicopter.
  • Some of the hydrogen gas may be used on board for ancillary uses such machinery as a gas fired turbine for main propulsion of the ship. Also some of the electricity from the wind turbines can be used to satisfy on board demands.
  • the liquefied hydrogen would be stored in insulated containers 64 at pressures near atmospheric and at a temperature near to -423 F waiting transfer to shore by helicopters or container ships. These ocean going container ships would be similar to those that currently transport liquefied natural gas (LNP) at -260 F.
  • LNP liquefied natural gas
  • components described are examples of typical components needed to produce hydrogen.
  • the components may be located at any desired location, including on the deck, or in an interior compartment inside the deck or hull of any of the above described vessel embodiments.
  • a multiple of wind turbines can be mounted high above the waters surface on a vessel to generate electricity that will be used to electrolyze water and produce hydrogen.
  • This vessel can be anchored or free floating.
  • the ship can move away from storms, icing conditions or bird flyways and hunt for better wind energy.
  • the ship will be positioned to face the wind and incoming waves by the action of stern and bow thrusters and or the main propulsion propellers and rudders.
  • the framework can easily and quickly be raised to the vertical position or lowered because the counterweight is mounted on the other side of the pivot shaft. This design minimizes the forces that are required from the rear bracket system.
  • the force exerted by the hollow metal counterweight can be easily changed by adding or subtracting ballast water.
  • the framework will be secure in the vertical position by several braces that are pinned to the rear of the framework and terminate in slider joints that are locked to the rear deck plus the main shaft and the lock feature between the frame and the bracket below the leading edge of the deck. 13.
  • the velocity of the raising and lowering motions of the framework can be controlled by a rack and pinion pair driven or retarded by hydraulics or other similar type system.
  • a failsafe feature will lock the slider joints in any position in case of a power failure.
  • the rotateable framework feature is the foundation of this concept and can be used with multiple hull vessels with the counterweight located between the hulls.
  • the rotateable framework feature can be applied to a single hull ship with the counterweights mounted outside the ships gunwales.
  • Each turbine can be inspected and receive minor internal maintenance during operation while the frame is vertical with access through the rear of the nacelle from the hollow frame member that may contain a ladder or an elevator.
  • the turbines can be replaced by lowering the frame, removing the blades and or the nacelle and installing new parts followed by raising the frame to resume full hydrogen generation.
  • the hulls can be reworked old single wall oil tankers and thousands are available since they are now illegal to be used for oil transport.
  • Each turbine could operate at the maximum efficiency of speed and blade pitch and therefore deliver the maximum power to its own electrolyzer.
  • a malfunctioning turbine could be shut down while the others continue to operate.
  • the hollow columns will contain the electrical output cables and control wiring.
  • the generated power can be 45 Mega watts or greater for a large system with nine of the worlds largest turbines and two of the largest oil tanker hulls. 29.
  • a shore crane can quickly replace all the wind turbines resulting in a fast turnaround on shore.
  • the turbine rotors can turn faster than land based units because there would be no noise or vibration restrictions that are disagreeable to humans living nearby.
  • Helicopters can transfer the hydrogen to shore either as compressed gas or liquid.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Wind Motors (AREA)

Abstract

L’invention porte sur un système flottant stable au large qui utilise plusieurs éoliennes pour fournir de l'énergie et produire de l'hydrogène en électrolysant l'eau et qui peut être changé d'emplacement facilement et de manière sûre pour bénéficier de meilleures conditions de vent, l'entretien du matériel se faisant à bord. Le gaz hydrogène produit est soit comprimé et stocké dans des réservoirs robustes, soit liquéfié et placé dans des réservoirs isolés pour être transféré rapidement à terre par hélicoptère, soit transféré sur des bâtiments de surface à l’aide de récipients isolés.
PCT/US2006/035992 2005-12-15 2006-09-15 Système maritime de production d'hydrogène WO2007078354A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/300,783 2005-12-15
US11/300,783 US20070138021A1 (en) 2005-12-15 2005-12-15 Maritime hydrogen generation system

Publications (2)

Publication Number Publication Date
WO2007078354A2 true WO2007078354A2 (fr) 2007-07-12
WO2007078354A3 WO2007078354A3 (fr) 2007-11-01

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WO (1) WO2007078354A2 (fr)

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EP1917435A4 (fr) * 2005-08-01 2013-02-20 Chief R Davis Systeme generateur de courant pour conduites d egout
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