WO2001034973A1 - System for producing hydrogen making use of a stream of water - Google Patents
System for producing hydrogen making use of a stream of water Download PDFInfo
- Publication number
- WO2001034973A1 WO2001034973A1 PCT/NL2000/000828 NL0000828W WO0134973A1 WO 2001034973 A1 WO2001034973 A1 WO 2001034973A1 NL 0000828 W NL0000828 W NL 0000828W WO 0134973 A1 WO0134973 A1 WO 0134973A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- modules
- module
- stream
- turbine
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- 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
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
- B63B2001/044—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4473—Floating structures supporting industrial plants, such as factories, refineries, or the like
-
- 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
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
-
- 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 a system for producing hydrogen from water making use of a stream of water such as a gulf stream or tidal stream, comprising a number of submerged modules, each having a turbine that can be driven by the stream of water and that is coupled to a generator for generating electrical energy.
- the modules are difficult to access for maintenance and repair.
- the direction thereof cannot rapidly be adjusted to a change in the direction of flow of the water.
- the depth of each module cannot be so chosen that the turbine is driven by the fastest steam of water.
- the yield from the system will therefore be relatively low.
- a module in a position transverse to the direction of flow is impossible. Such a case occurs for instance when the flow velocity of the water is too high.
- the system mentioned in the preamble is characterised in that the modules are provided with means to control the depth of the modules below water level, and with means for automatically orienting the front of the modules - viewed in the longitudinal direction of the turbines - to the direction of flow of the water or an angular position deviating therefrom.
- the means to enable the depth of the modules below water level to be adjusted to the depth where the flow of the water is the most advantageous consist of ballast tanks and at least one rudder blade that can be hinged about a horizontal axis and the modules are attached by their fronts, via at least two sloping or horizontal cables, to an anchor connected to the sea bed.
- a rudder blade hingeable about a vertical axis can be used.
- the turbine of each module can be housed in a venturi-tube-shaped continuous flow channel having - viewed in the direction of flow - a channel which gradually narrows, an adjoining narrowed channel and an adjoining channel which gradually widens.
- the decomposition means are preferably accommodated in the modules.
- An access tower which has a top section protruding above water level, is mounted on the top of each module.
- a grating is fitted on the front of the turbine of each module. Said grating can easily be cleaned to remove shell and algae growth if one or more brushes that can be moved on an arm are added to the grating.
- the generator for each module could be arranged in line with the turbine. However, this is disadvantageous for the venturi effect described above. Therefore the generator of each module will be positioned a radial distance away from the turbine, the rotary movement of the turbines being transmitted via one or more gear transmissions and a rotary rod to the shaft of the generator.
- the turbine blades can be of hollow construction.
- each turbine has two sets of blades which can be made to rotate in opposing directions by the stream of water.
- the housing of the modules can be of double-walled construction, the areas between the double walls being divided into chambers by transverse partitions and longitudinal partitions.
- the modules can also be made floatable.
- the system has a central storage tower anchored on the seabed and a jetty and means for transferring hydrogen stored in tanks to the shore or a tanker.
- the central storage tower is in communication, via a hydrogen transport line, with a hydrogen transport line that extends from each module, the point at which the two lines are joined being located on anchors to which the modules are connected via cables.
- the invention also relates to a module that is suitable for the above-mentioned system.
- Figure 1 shows a partially exposed, perspective view of the system.
- Figure 2 shows a partially exposed, perspective view of a module employed.
- Figure 3 shows a longitudinal section of the module.
- the system shown for the production of hydrogen comprises a large number of modules 1 which are connected via lines 2, 3 to a central storage tower 4.
- the storage tower has tanks 5 to accommodate the hydrogen produced under relatively high pressure, for example up to 30 bar, as well as areas 6 that can serve as storage and office areas.
- a storage tower is anchored on the seabed.
- a platform 7 with light beacon 8 is mounted on top of the storage tower.
- Each module 1 has a double- walled housing with inside walls 1 1 and outside walls 12.
- the housing encircles a flow channel 13 that is in the form of a venturi, that is to say - viewed from front to back - a section 14 that becomes narrower from the outside towards the inside and merges into a narrow section 15, which in turn merges into a section 16 that widens from the inside towards the outside.
- a turbine 17 is mounted in the flow channel 13. which turbine 17 has two sets 18 and 19 of blades which are driven by the stream of water through the channel 13, as a result of which their shafts are made to rotate.
- blades can be of hollow construction.
- the shafts of the sets of blades are connected via a gear transmission 20 to a rotary rod 21.
- the blades of the sets 18, 19 are so oriented that their shafts are driven by the stream of water in the opposing direction.
- the gear transmission 20 transmits the rotary movement of the shafts of both sets of blades to the rotary rod 21 in such a way that the latter rotates in one direction.
- a generator 22, which generates electrical energy, is made to rotate via a transmission at the other end of the rotary rod 21.
- the electrical energy generated is used in a decomposition apparatus 23, which has an anode and a cathode, to decompose water into hydrogen and oxygen.
- a high hydrogen pressure for example up to 30 bar, can be achieved if the reaction 2H O — » 2H 2 + O 2 is carried out in water inside the decomposition apparatus to which KOH has been added.
- the decomposition apparatus 22 operates batchwise.
- the hydrogen produced is stored under the pressure produced in pressure vessels, which are not shown and which are located in one or more chambers of the double wall of the housing 11, 12.
- a grating 24 that prevents large sea mammals, such as sharks or whales, from being able to damage the turbine is fitted on the front of the housing.
- a brush 26 mounted on a rotary arm enables shells and algae to be removed from the grating.
- the double-walled housing is divided into chambers by transverse partitions 27 and longitudinal partitions 28. Some chambers serve as ballast tanks, by means of which the buoyancy of the module can be controlled.
- Other chambers are in communication with one another via holes 29.
- An access tower 30 with a wide entry and exit section 31 for maintenance personnel is mounted on each module 1.
- a stairway 32 extends through the length of the tower, as does an air pipe 33.
- a rudder blade 35 that can be turned about a horizontal axis and a rudder blade 36 that can be turned about a vertical axis are mounted at the rear of each module 1.
- each module is connected by two sloping or horizontal cables 37, 38 to the top of an anchor post 39 anchored on the seabed.
- the hydrogen line 2 from each module runs to the top of the anchor post 39 concerned, where it is connected to a line 3 which leads to the central storage tower 4.
- each module 1 Positioning of each module 1 such that the front thereof is oriented such that it directly faces the direction of flow (indicated by 40 in Fig. 2) takes place essentially automatically in that the two cables 37, 38 are pivotably connected to the top section of the anchor post 39.
- the water flowing through the venturi-shaped flow channel brings the module into the most advantageous direction with respect to the gulf stream or tidal stream. This means that, in the case of a tidal stream, when the tides change the modules turn through approximately 180° with respect to the anchor post 39 to which they are connected by the two cables 37, 38.
- a module By removing water from the ballast chamber, a module can be towed as a vessel (see Figure 1).
- the module can be placed on the bottom by filling the ballast chambers, eventually supported by the rudder blade 35.
- the oxygen produced can be released into the air, either from each module or from the central storage tower. Another possibility is to store the oxygen in vessels and to market this.
- the rudder blade 36 that can be remote controlled and can be turned about a vertical axis serves to enable the position of the module with respect to the stream of water to be changed and to enable corrections to be made to the angular position of the module in the horizontal plane. If for instance the flow velocity of the water is rising to such a high value that there is a risk for damaging the sets of blades 18, 19 or the bearing thereof, the modules are manoeuvred in a direction transverse to the waterflow so that the sets of blades will not be driven. It can also be that the sets of blades 18, 19 are adjustable and that - in case of a too high water flow - the sets of blades are brought in such an angular position that they are not driven. The adjustment of the blade angular takes place by remote control.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60017447T DE60017447T2 (en) | 1999-11-11 | 2000-11-13 | SYSTEM FOR PRODUCING HYDROGEN BY USING A WATER FLOW |
AT00980122T ATE287041T1 (en) | 1999-11-11 | 2000-11-13 | SYSTEM FOR PRODUCING HYDROGEN BY USING WATER FLOW |
CA002391538A CA2391538C (en) | 1999-11-11 | 2000-11-13 | System for producing hydrogen making use of a stream of water |
US10/129,600 US7352074B1 (en) | 1999-11-11 | 2000-11-13 | System for producing hydrogen making use of a stream of water |
EP00980122A EP1228309B1 (en) | 1999-11-11 | 2000-11-13 | System for producing hydrogen making use of a stream of water |
AU17421/01A AU776400B2 (en) | 1999-11-11 | 2000-11-13 | System for producing hydrogen making use of a stream of water |
DK00980122T DK1228309T3 (en) | 1999-11-11 | 2000-11-13 | Hydrogen production plant using a stream of water |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1013559A NL1013559C2 (en) | 1999-11-11 | 1999-11-11 | System for producing hydrogen from water using a water stream such as a wave stream or tidal stream. |
NL1013559 | 1999-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001034973A1 true WO2001034973A1 (en) | 2001-05-17 |
Family
ID=19770243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2000/000828 WO2001034973A1 (en) | 1999-11-11 | 2000-11-13 | System for producing hydrogen making use of a stream of water |
Country Status (10)
Country | Link |
---|---|
US (1) | US7352074B1 (en) |
EP (1) | EP1228309B1 (en) |
AT (1) | ATE287041T1 (en) |
AU (1) | AU776400B2 (en) |
CA (1) | CA2391538C (en) |
DE (1) | DE60017447T2 (en) |
ES (1) | ES2236003T3 (en) |
NL (1) | NL1013559C2 (en) |
PT (1) | PT1228309E (en) |
WO (1) | WO2001034973A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
NL1013559A1 (en) | 2001-05-18 |
EP1228309B1 (en) | 2005-01-12 |
AU776400B2 (en) | 2004-09-09 |
CA2391538A1 (en) | 2001-05-17 |
DE60017447T2 (en) | 2006-07-13 |
NL1013559C2 (en) | 2001-05-28 |
ES2236003T3 (en) | 2005-07-16 |
US7352074B1 (en) | 2008-04-01 |
DE60017447D1 (en) | 2005-02-17 |
CA2391538C (en) | 2009-12-29 |
PT1228309E (en) | 2005-05-31 |
AU1742101A (en) | 2001-06-06 |
EP1228309A1 (en) | 2002-08-07 |
ATE287041T1 (en) | 2005-01-15 |
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