CN108843504A - A kind of offshore wind power system of combination compressed-air energy storage and water-storage - Google Patents
A kind of offshore wind power system of combination compressed-air energy storage and water-storage Download PDFInfo
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- CN108843504A CN108843504A CN201810565140.1A CN201810565140A CN108843504A CN 108843504 A CN108843504 A CN 108843504A CN 201810565140 A CN201810565140 A CN 201810565140A CN 108843504 A CN108843504 A CN 108843504A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
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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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- 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
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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
- Y02E10/70—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
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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
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses the offshore wind power systems of a kind of combination compressed-air energy storage and water-storage, including open side type platform, air conduit, energy storage canister, hydroelectric generation unit and air expansion power generation unit.By by the reasonable combination of air compression energy and water-storage technology and Offshore Wind Power Generation Technology, wind turbine power generation output load is effectively had adjusted, guarantees that Wind turbine power generation output is steady, reduces the impact to power grid, have peak-frequency regulation ability, and improves wind energy utilization efficiency.The characteristics of being based on deep sea water high pressure simultaneously, using seawater compressed air, energy storage canister is deeper positioned at underwater depth, and the effect of system compresses air is better;It does not need additionally to consume electrically-driven compressors compressed air, while discharging the heat as caused by compressed air using seawater, cool down without extras to energy storage canister, reduce energy consumption and number of devices, reduce system complexity, cost reduces.
Description
Technical field
The invention belongs to extensive marine power generation energy storing technology field, it is related to a kind of combination compressed-air energy storage and pumping
The offshore wind power system of water accumulation of energy.
Background technique
Wind energy is a kind of renewable energy, has many advantages, such as that distribution is wide, pollution-free, China's wind-power electricity generation is especially in recent years
Offshore wind farm is quickly grown.Since wind energy has randomness and intermittence, so that the output power of wind-power electricity generation and unstable, warp
When often will appear power demand enhancing, it is weaker to there is wind-force;And power demand it is lower when, the case where wind-force then enhances, this all can
Problem is brought to wind-electricity integration.
Water-storage has no pollution to the environment, and cost of electricity-generating is low, and the response time is fast, and high-efficient, capacity is big, the energy storage period
The advantages that long is the more mature energy storage technology of current development, but due to the limitation of geographical conditions, addressing has limitation.
Compressed-air energy storage is a kind of power energy storage system for realizing large capacity and long-time power storage, big with capacity,
The advantages that longevity of service, economic performance are good, charge and discharge cycles are more, but there is also needs for conventional compression air energy storage systems at present
The disadvantages of combusts fossil energy and specific geographical conditions build air storage chamber.It couples with renewable energy, is deposited using high-pressure bottle
The distributed energy storage system for storing up compressed gas will be one of compressed air energy storage technology future thrust.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of combination compressed-air energy storage is provided and is drawn water
The offshore wind power system of accumulation of energy.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of offshore wind power system of combination compressed-air energy storage and water-storage, including open side type platform, air
Conduit, energy storage canister, hydroelectric generation unit and air expansion power generation unit;The open side type platform include wind turbine power generation unit,
Tower and floating drum, tower upper end connect wind turbine power generation unit, and lower end connects floating drum, and floating drum upper end is above sea level;Air
Expansion power generation unit is arranged inside floating drum, and air conduit upper end connects air expansion power generation unit lower end and connects energy storage canister, storage
Energy tank is arranged on sea bed, and the inside of energy storage canister is arranged in hydroelectric generation unit.
A further improvement of the present invention lies in that:
The air expansion power generation unit includes expanding machine, gas driven generator and air intake valve;Expanding machine upper end connection row
Tracheae, air intake valve are arranged on air conduit, and gas driven generator is coaxially connected with expanding machine.
The hydroelectric generation unit includes hydroelectric generator and reversible turbine;The power output shaft of reversible turbine
It is connected with hydroelectric generator.
Inlet valve, the water inlet phase of inlet valve and reversible turbine are provided on the outside of the hydroelectric generation unit
Even.
The energy storage canister upper end is provided with water-level instrumentation and gas valve;Gas valve connects air conduit.
It is furnished with pouring weight inside the floating drum, floats open side type platform vertically across the sea.
Anchor chain is provided with outside the floating drum, the anchor chain other end connects the stabilization that sea bed keeps open side type platform.
Compared with prior art, the invention has the advantages that:
Open side type platform, hydroelectric generation unit together with air expansion power generation unit associations, are passed through air by the present invention
Compression energy and water-storage technology effectively have adjusted wind turbine power generation output load, guarantee that Wind turbine power generation output is steady, subtract
Few impact to power grid, has peak-frequency regulation ability, and improve wind energy utilization efficiency.
Further, the characteristics of being based on deep sea water high pressure, energy storage canister is arranged under sea level the present invention, utilizes sea
Water compressed air;It does not need additionally to consume electrically-driven compressors compressed air, while being discharged using seawater by compressed air institute
The heat of generation cools down to energy storage canister without extras, reduces energy consumption and number of devices, reduce system complexity,
Cost reduces.
Further, reversible turbine is used in hydroelectric generation unit of the invention, just transfers to turbinging,
Pump operating condition operation is made in reverse, reduces number of devices, improves system stability.
Further, pouring weight is set inside floating drum, floats open side type platform vertically across the sea;It is set outside floating drum
Anchor chain is set, the anchor chain other end connects sea bed, strengthens the stability of open side type platform.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of air expansion power generation unit of the invention.
Wherein:1- wind turbine power generation unit;2- tower;3- exhaust pipe;4- floating drum;5- air expansion power generation unit;6- is empty
Airway;7- anchor chain;8- gas valve;9- water-level instrumentation;10- energy storage canister;11- hydroelectric generation unit;12- hydroelectric generation
Machine;13- reversible turbine;14- inlet valve;15- expanding machine;16- gas driven generator;17- air intake valve.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 2, the present invention includes open side type platform, air conduit 6, energy storage canister 10,11 and of hydroelectric generation unit
Air expansion power generation unit 5;Wherein open side type platform includes wind turbine power generation unit 1, tower 2 and floating drum 4, and 2 one end of tower connects
Wind energy conversion system generating set 1 is connect, the other end connects floating drum 4;Air expansion power generation unit 5 is arranged inside floating drum 4, air conduit 6
One end connects 5 other end of air expansion power generation unit and connects energy storage canister 10, and hydroelectric generation unit 11 is arranged in energy storage canister 10
Portion;Air expansion power generation unit 5 includes expanding machine 15, gas driven generator 16 and air intake valve 17;15 one end of expanding machine connection row
Tracheae 3, the other end connect air intake valve 17 by air conduit 6, and gas driven generator 16 and expanding machine 15 are coaxially connected;Waterpower hair
Electric unit 11 includes hydroelectric generator 12 and reversible turbine 13;The power output shaft of reversible turbine 13 and hydroelectric generation
Machine 12 is connected;Inlet valve 14, the water inlet of inlet valve 14 and reversible turbine 13 are provided on the outside of hydroelectric generation unit 11
Mouth is connected;Water-level instrumentation 9 and gas valve 8 are provided on energy storage canister 10;Gas valve 8 connects air conduit 6;In floating drum 4
It is furnished with pouring weight in portion;Anchor chain 7 is provided with outside floating drum 4,7 other end of anchor chain connects sea bed.
Specific work process of the invention:
When the power generation of wind turbine power generation unit 1 is unable to satisfy power grid demand, inlet valve 14 and air intake valve 17 are opened, gas
Body valve 8 is closed, and high pressure sea water flows into energy storage canister 10, drives reversible turbine 13 to generate electricity, while in compressed energy-storage tank 10
Air, when air is compressed to it is suitable with seawater pressure when, open gas valve 8, compressed air by air conduit 6 flow through it is swollen
Swollen machine 15 drains into atmosphere by exhaust pipe 3, and expanding machine 15 drives gas driven generator 16 to generate electricity, while seawater continues to flow into energy storage canister
10, drive reversible turbine 13 to generate electricity, when liquid level rises at water-level instrumentation height, water inlet stops, and inlet valve 14 closes
It closes.
When the power generation of wind turbine power generation unit 1 is more than needed, inlet valve 14, air intake valve 17 and gas valve 8 are opened, swollen
Swollen machine 15 is not run, have more than needed electric power drive reversible turbine 13 reverse, make pump operating condition operation, the seawater in energy storage canister 10 to
Outer discharge, while air flows into energy storage canister 10 from atmosphere, air pressure is identical as atmospheric pressure in energy storage canister 10.
For the present invention when shutting down the state of not running, wind wheel 1 is static, and gas valve 8 is opened, inlet valve 14 is closed, can
The inverse formula hydraulic turbine 13, expanding machine 15, gas driven generator 16 and water conservancy generator 12 are not run, 10 internal air pressure of energy storage canister
It is identical as atmospheric pressure.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (7)
1. a kind of offshore wind power system of combination compressed-air energy storage and water-storage, which is characterized in that including open side type
Platform, air conduit (6), energy storage canister (10), hydroelectric generation unit (11) and air expansion power generation unit (5);The open side type
Platform includes wind turbine power generation unit (1), tower (2) and floating drum (4), and tower (2) upper end connects wind turbine power generation unit (1),
Lower end connects floating drum (4), and floating drum (4) upper end is above sea level;Air expansion power generation unit (5) setting is internal in floating drum (4),
Air conduit (6) upper end connects air expansion power generation unit (5) lower end connection energy storage canister (10), and energy storage canister (10) is arranged in sea bed
On, hydroelectric generation unit (11) is arranged in the inside of energy storage canister (10).
2. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 1,
It is characterized in that, the air expansion power generation unit (5) includes expanding machine (15), gas driven generator (16) and air intake valve (17);
Expanding machine (15) upper end connect exhaust pipe (3), air intake valve (17) be arranged on air conduit (6), gas driven generator (16) with
Expanding machine (15) is coaxially connected.
3. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 1,
It is characterized in that, the hydroelectric generation unit (11) includes hydroelectric generator (12) and reversible turbine (13);Reversible water wheels
The power output shaft of machine (13) is connected with hydroelectric generator (12).
4. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 3,
It is characterized in that, is provided with inlet valve (14) on the outside of the hydroelectric generation unit (11), inlet valve (14) and reversible water wheels
The water inlet of machine (13) is connected.
5. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 1,
It is characterized in that, energy storage canister (10) upper end is provided with water-level instrumentation (9) and gas valve (8);Gas valve (8) connection is empty
Airway (6).
6. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 1,
It is characterized in that being furnished with pouring weight inside the floating drum (4), float open side type platform vertically across the sea.
7. the offshore wind power system of a kind of combination compressed-air energy storage and water-storage according to claim 1,
It is characterized in that, be provided with anchor chain (7) outside the floating drum (4), anchor chain (7) other end connects sea bed and keeps the steady of open side type platform
It is fixed.
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CN201810565140.1A CN108843504A (en) | 2018-06-04 | 2018-06-04 | A kind of offshore wind power system of combination compressed-air energy storage and water-storage |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566408A (en) * | 2019-08-22 | 2019-12-13 | 清华大学 | Deep-sea floating type water pumping energy storage wind power generation device and method |
CN110578643A (en) * | 2019-08-26 | 2019-12-17 | 清华大学 | Deep-sea floating type wind power generation and pumped storage combined device and working method |
CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
CN112727687A (en) * | 2020-12-24 | 2021-04-30 | 杨润童 | Seawater compressed air energy storage system for offshore fan tower and using method thereof |
CN114576070A (en) * | 2022-02-24 | 2022-06-03 | 苏国先 | Pumped storage energy-saving system based on air compression technology |
CN114876704A (en) * | 2022-05-06 | 2022-08-09 | 山东电力工程咨询院有限公司 | Compressed air and seawater pumping and storage coupling energy storage system and method |
CN116608092A (en) * | 2023-05-22 | 2023-08-18 | 长江三峡集团实业发展(北京)有限公司 | Offshore wind generating set and energy storage system |
CN117072364A (en) * | 2023-09-20 | 2023-11-17 | 中铁十四局集团第二工程有限公司 | Tail water treatment system of hydroelectric power station and hydroelectric power generation system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110566408A (en) * | 2019-08-22 | 2019-12-13 | 清华大学 | Deep-sea floating type water pumping energy storage wind power generation device and method |
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CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
CN112727687A (en) * | 2020-12-24 | 2021-04-30 | 杨润童 | Seawater compressed air energy storage system for offshore fan tower and using method thereof |
CN114576070A (en) * | 2022-02-24 | 2022-06-03 | 苏国先 | Pumped storage energy-saving system based on air compression technology |
CN114876704A (en) * | 2022-05-06 | 2022-08-09 | 山东电力工程咨询院有限公司 | Compressed air and seawater pumping and storage coupling energy storage system and method |
CN116608092A (en) * | 2023-05-22 | 2023-08-18 | 长江三峡集团实业发展(北京)有限公司 | Offshore wind generating set and energy storage system |
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CN117072364A (en) * | 2023-09-20 | 2023-11-17 | 中铁十四局集团第二工程有限公司 | Tail water treatment system of hydroelectric power station and hydroelectric power generation system |
CN117072364B (en) * | 2023-09-20 | 2024-04-02 | 中铁十四局集团第二工程有限公司 | Tail water treatment system of hydroelectric power station and hydroelectric power generation system |
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