CN107893735A - A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy - Google Patents
A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy Download PDFInfo
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- CN107893735A CN107893735A CN201711086310.XA CN201711086310A CN107893735A CN 107893735 A CN107893735 A CN 107893735A CN 201711086310 A CN201711086310 A CN 201711086310A CN 107893735 A CN107893735 A CN 107893735A
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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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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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
- F03B13/141—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 with a static energy collector
- F03B13/142—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 with a static energy collector which creates an oscillating water column
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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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- 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
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy, the laddering compressed energy-storage system for the multipotency inputing power output that the system is made up of wind energy on the sea converting system, oscillating water column compressed air system and underwater compressed-air energy-storage system etc..Oscillating water column compressed air system by adding powered by wave energy in existing underwater compressed-air energy-storage system realizes the precommpression to air, and then carries out depth-compression using unnecessary wind energy and realize laddering compression process.The present invention can not only simplify wave power utilization form, and due to the precompressed effect of wave energy, so that the compression wasted work of subsequent process greatly reduces, improve energy conversion efficiency, realize the complementary of wind energy on the sea and wave energy to utilize and the controllable steady output of the fluctuation energy, for meeting energy demand, improving energy consumption structure, reduce environmental pollution, develop marine energy sources etc. and have important practical significance.
Description
Technical field
The invention belongs to renewable energy technologies and energy storage technology crossing domain, and in particular to one kind utilizes wave energy/wind
The laddering underwater compressed-air energy-storage system of energy.
Background technology
The exploitation of the regenerative resource such as wind energy on the sea and wave energy is to promote effective means of the using energy source to Green Transformation,
And alleviate Present Global energy shortage and the important measures of problem of environmental pollution.It is right because sea does not have barrier obstruction
It is smaller in the resistance of natural wind so that marine and wind shear big compared with land wind speed is small, offshore wind energy resource more horn of plenty, sea turn
Power unit is the broad form using offshore wind energy resource, and wind energy is converted into electric energy.In addition, when sea wind transfers energy to sea
Wave energy will be formed in ocean surface when foreign, wave-energy power generation is the major way of wave power utilization, is exactly by specific dress
Put and the kinetic energy that wave is contained is converted into electric energy with potential energy.But the characteristics of wind energy on the sea is respectively provided with randomness with wave energy, use
The output of its electric energy changed shows strong wave characteristic, therefore similar with land wind-power electricity generation, it is necessary to energy storage device
These fluctuation electric energy are stabilized, and then improve the utilization rate of regenerative resource, reduce the impact to power system.
At sea wind power plant nearby can set fluctuation of the underwater compressed-air energy-storage system to wind power to enter at this stage
Row is stabilized so that offshore wind farm output possesses controllability.For land conventional compressed air energy-storage system, underwater pressure
Contracting air energy storage systems can be led to using storage volumes of the underwater flexible container as compressed air, the container of this kind of variable volume more
Cross hydraulic pressure and realize that level pressure air stores, and can pass through and control its underwater depth to adjust the pressure rating of level pressure storage.Cause
This, can be avoided the fixed volumes such as grotto, ore deposit hole and synthetic rigid's container that land compressed-air energy-storage system usually uses from holding
Device brings problems, as energy storage and release can the stage because of gas storage volume in pressure constantly change caused by compressor and thoroughly
The problem of operational efficiency is low on average in off rating, or can use turbine import constant-pressure operational mode in the stage releasing
When compressed air need to be depressured using choke valve caused by energy dissipation problem and such constant volume gas storage volume build
If higher problem of maintenance cost etc..In addition, although the way of realization of wave-energy power generation is various at this stage, such as oscillaton water column type, pendulum
Formula, more unrestrained formula, raft formula, canard and point-absorbing etc., but be required to for every kind of concrete mode to design supporting turbine hair
Group of motors or hydraulic conversion device, so wave-energy power generation technology is still big with energy output pulsation on the whole, the energy turns
Change the shortcomings of inefficient and cost is costly.
The content of the invention
It is an object of the invention to provide a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy,
The defects of to overcome above-mentioned prior art to exist, the present invention improves energy conversion efficiency, realizes wind energy on the sea and wave energy
Etc. the complementary utilization and controllable, the steady output of the fluctuation energy of regenerative resource.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy, including wind energy on the sea converting system,
Oscillating water column compressed air system, underwater compressed-air energy-storage system and motor/generator；The wind energy on the sea conversion system
The output end of system is connected to main power network and motor/generator, and motor/generator is connected to underwater compression sky by shaft coupling
Gas energy storage system, and the arrival end connection oscillating water column compressed air system of underwater compressed-air energy-storage system.
Further, the oscillating water column compressed air system includes oscillating water column gas compression chamber, oscillating water column gas
Body compression chamber is provided with opening being submerged in undersea part, and the top of oscillating water column gas compression chamber is entered provided with air
Mouth door, the rear wall of oscillating water column gas compression chamber offer air conduction door, and the port of export of air conduction door is connected to low pressure
Flexible underwater gas storage bag, the port of export of low pressure flexible underwater gas storage bag are connected to underwater compressed-air energy-storage system.
Further, the underwater compressed-air energy-storage system includes being connected to the low pressure flexible underwater gas storage bag port of export
Source of the gas switching system, source of the gas switching system are provided with air intake, and the port of export of source of the gas switching system is connected to compressor, described
Compressor is connected by I shaft coupling with motor/generator, and it is soft that the output end of compressor by hold over system is connected to high pressure
The underwater gas storage bag of property, the port of export of the underwater gas storage bag of high-voltage flexible are connected to turbine by hold over system, and turbine is joined by II
Axle device is connected with motor/generator.
Further, I valve, accumulation of heat system are provided between the low pressure flexible underwater gas storage bag port of export and source of the gas switching system
II valve, the port of export of the underwater gas storage bag of high-voltage flexible and accumulation of heat are provided between system and the underwater gas storage bag arrival end of high-voltage flexible
III valve is provided between system.
Further, combustion system is provided between hold over system and turbine, combustion system is provided with fuel inlet.
Further, it is provided with non-return between the arrival end of the port of export of air conduction door and low pressure flexible underwater gas storage bag
Valve.
Compared with prior art, the present invention has technique effect beneficial below：
The wind energy that sea is contained and wave energy resource very abundant, but its output has fluctuation feature, need to use energy storage
System is coupled to adjust its output so that power possesses controllability.The present invention is for the configuration water of marine wind electric field at this stage
Compressed air energy-storage system, the oscillating water column compressed air system for adding powered by wave energy carry out precommpression to air, and then
Form the laddering compressed energy-storage system using wave energy and wind energy on the sea.Present system can not only simplify wave power utilization
Form, and due to the precompressed effect of wave energy so that follow-up underwater compressed-air energy-storage system is in same compression pressure
Wasted work under grade is reduced, and is improved energy conversion efficiency, is realized the complementation of the regenerative resources such as wind energy on the sea and wave energy
Using and the fluctuation energy controllable, steady output.
Further, oscillating water column gas compression chamber has an opening being submerged in below sea, has air at top
Access doors, there is air conduction door in rear wall.When wave moves to oscillating water column gas compression chamber, crest is close to oscillating water column gas
During body compression chamber antetheca, air intlet door is closed, and seawater enters oscillating water column gas compression chamber, promoted in its water level inside
Rise, volume reduces so that after inner air is compressed into predetermined pressure, is discharged from air conduction door and deposit into low pressure flexible underwater
In gas storage bag.And when trough is close to oscillating water column gas compression chamber antetheca, air intlet door is opened, as seawater is from vibration
Constantly extracted out in water column gas compression chamber, its water level inside constantly declines so that the gas in oscillating water column gas compression chamber
Pressure drop is low, and extraneous air flows into oscillating water column gas compression chamber by air intlet door, is moved in circles with this, i.e., can be by ripple
Wave can be converted to the interior energy of compressed air.
Further, when wind energy on the sea converting system electromotive power output is more than needed, compressed-air energy-storage system works in storage
Can pattern, motor/generator works in electric motor mode, and the low-pressure air in low pressure flexible underwater gas storage bag is through unnecessary electric energy
The compressor of driving second compression again, is stored in the underwater gas storage bag of high-voltage flexible, while by compression process heat in hold over system
It can be stored, if during the air capacity deficiency of low pressure flexible underwater gas storage bag, source of the gas switching system will switch to air, environment is empty
Gas will directly be compressed by compressor, when wind energy on the sea converting system electromotive power output deficiency, compressed-air energy-storage system work
In release can pattern, motor/generator works in generator mode, the pressure-air in the underwater gas storage bag of high-voltage flexible first according to
It is secondary to be absorbed heat in hold over system and combustion system, finally enter expansion work in turbine, drive motor/electrical power generators, more
Mend the vacancy of power consumption.Combustion system whether input coefficient work and its can be according to the actual requirements to the heating-up temperature of working media
The difference of power is adjusted flexibly.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Wherein：1st, wind energy on the sea converting system；2nd, oscillating water column gas compression chamber；3rd, air intlet door；4th, air draws
Flow door；5th, check-valves；6th, low pressure flexible underwater gas storage bag；7th, I valve；8th, source of the gas switching system；9th, compressor；10th, accumulation of heat
System；11st, II valve；12nd, the underwater gas storage bag of high-voltage flexible；13rd, III valve；14th, combustion system；15th, turbine；16th,
I shaft couplings；17th, motor/generator；18th, II shaft coupling.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, present invention firstly provides a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy
The steady controllable output of wind energy on the sea and wave energy resource is realized, and simplifies the utilization process of wave energy.The present invention is by sea
Wind-energy changing system 1, oscillating water column compressed air system and underwater compressed-air energy-storage system etc. carry out organic integration, build ripple
The laddering compressed energy-storage system of unrestrained energy/wind energy multipotency input-electric energy output.
Oscillating water column compressed air system carries out precommpression using wave energy to air, by oscillating water column gas compression chamber
2nd, low pressure flexible underwater gas storage bag 6 and valve member etc. form.When wave crest enters oscillating water column gas compression chamber 2, shake
The rising of the water level inside of water column gas compression chamber 2 is swung, volume reduces so that inner air is stored in perseverance after being compressed into certain pressure
The low pressure flexible underwater gas storage bag 6 of pressure；Conversely, its water level inside when wave trough enters oscillating water column gas compression chamber 2
Pressure drop, air pressure reduce, and surrounding air are absorbed into compression chamber, to carry out subsequent compression.
Underwater compressed-air energy-storage system carries out depth-compression storage using wind energy on the sea to the precompressed gas of wave energy,
And release and can generate electricity in electric power deficiency.The system by source of the gas switching system 8, compressibility, hold over system 10, combustion system 14,
High-voltage flexible underwater gas storage bag 12, expansion system and valve member etc. form, and compressibility is compressor 9, can use multistage pressure
The collocation form cooled down between contracting, level and after level, compressor 9 can use the unit patterns such as centrifugal, axial-flow type or mixed-flow, can root
According to actual conditions specific design；Expansion system is turbine 15, can use multiple expansion, the collocation form of resuperheat, and turbine
15 can use radial inflow, axial-flow type or hybrid unit pattern, can be according to actual conditions specific design.High pressure compressed gas stores
In the underwater gas storage 12 of high-voltage flexible of constant pressure, hold over system 10 can use sensible heat, latent heat etc. to store according to specific suitable environment
Hot material is compressed process thermal energy storage.In addition, in underwater compressed-air energy-storage system in addition to flexible gas storage bag under water under high pressure,
Remaining part is configured on sea-based platform, is also configured on continental rise platform.
When wind energy on the sea converting system 1, which exports electric energy, is more than workload demand, unnecessary electric energy will drive compressibility by ripple
The unrestrained precompressed gas of energy carries out depth-compression, is stored in the underwater gas storage bag 12 of high-voltage flexible of constant pressure, while in hold over system
Compression process heat energy is stored in 10.If it is worth noting that, during wave energy precompressed air amount deficiency, source of the gas can be passed through
Switching system 8 switches to air, and surrounding air will directly be compressed by compressibility.When wind energy on the sea converting system output electric energy is difficult
During meeting workload demand, the compressed gas in the underwater gas storage bag 12 of high-voltage flexible is successively in hold over system 10 and combustion system 14
Enter expansion system expansion work after middle heat absorption heating, drive electrical power generators to make up the breach of electrical energy demands.It is worth noting
, combustion system whether input coefficient work and its to the heating-up temperature of working media can power according to the actual requirements difference
To be adjusted flexibly.
The present invention realizes the transformation to underwater compressed-air energy-storage system using wave energy/wind energy, realizes laddering pressure
Contracting energy storage, reach simplified wave power utilization form, improve the target of wind energy on the sea utilization ratio.
The implementation process of the present invention is further described below in conjunction with the accompanying drawings：
To contain the Efficient Developments of the regenerative resources such as abundant wind energy on the sea and wave energy using be solve it is normal at this stage
Advise the key of energy shortage and problem of environmental pollution.For wind energy on the sea and the stochastic volatility feature of wave energy resource, need to adopt
Its output is adjusted with energy-storage system is coupled so that power possesses controllability.It is mainly high to power grade at this stage
Marine wind electric field is configured with underwater compressed-air energy-storage system, is deposited using installed in undersea flexible gas storage volume come level pressure
Store up compressed air so that system is in energy storage compression process and releases compressor during expansion and is operated in its specified work with turbine
Condition, improve energy conversion efficiency.In addition, existing wave-energy power generation form is more, but various forms of systems are required to set
Supporting turbine generation unit or hydraulic conversion device are counted, at the same it is also big with energy output pulsation, and energy conversion efficiency is not high
And cost it is costly the shortcomings of.
A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy involved in the present invention, which avoids, to be made
The energy utilization type to be generated electricity with wave energy, use wave energy instead and precommpression is carried out to air, stored up as underwater compressed air
The compressed gas source of energy system.The unnecessary offshore wind farm of later use carries out depth-compression in compressed-air energy-storage system under water,
Laddering compressed energy-storage system is formed, realizes complementary utilization and the fluctuation energy of the regenerative resources such as wind energy on the sea and wave energy
Controllable, steady output.The invention simplifies wave power utilization process, and device is set during can overcoming traditional wave-energy power generation
The shortcomings such as difficulty is big, output-power fluctuation and conversion efficiency are low are counted, precommpression source of the gas is provided for underwater compressed-air energy-storage system,
The wind-powered electricity generation wasted work during depth-compression is saved, the utilization ratio of regenerative resource can be effectively improved, for improving the energy
Consumption structure, reducing environmental pollution, preserve the ecological environment, promoting economic development etc. has important scientific meaning and engineering
Application value.
Reference picture 1, present system is by wind energy on the sea converting system 1, oscillating water column compressed air system and underwater compression
Air energy storage systems etc. form.Oscillating water column compressed air system is stored up by oscillating water column gas compression chamber, low pressure flexible underwater
Gas bag and valve member etc. form.Compressed-air energy-storage system by gas switching valve, compressibility, hold over system, combustion system,
High-voltage flexible underwater gas storage bag, expansion system and valve member etc. form.Compressibility can be used between multi-stage compression, level and after level
The collocation form of cooling, compressor can use centrifugal, axial-flow type or franc turbine pattern；Expansion system can use multistage swollen
Swollen, resuperheat collocation form, turbine can use radial inflow, axial-flow type or hybrid unit pattern；Can be as the case may be
To design corresponding unit pattern, series and parameter at different levels.High pressure compressed gas is stored in the underwater gas storage of high-voltage flexible of constant pressure
Bao Zhong, hold over system can use the heat-storing materials such as sensible heat, latent heat to be compressed process thermal energy storage according to specific suitable environment.
Air is carried out precommpression by oscillating water column compressed air system using wave energy, is stored in low pressure flexible underwater gas storage
Bao Zhong, follow-up underwater compressed-air energy-storage system are carried out precompressed air using the unnecessary electric energy of wind energy on the sea converting system
Depth-compression, it is stored in the underwater gas storage bag of high-voltage flexible, to form laddering compression process.And can in electric energy insufficient supply
Using high pressure air expansion work, to make up the breach of electric energy supply.
Oscillating water column gas compression chamber 2 is made up of a cavity body, and it has an opening being submerged in below sea,
Air access doors 3 are arranged at top, have air conduction door 4 in rear wall.When wave moves to oscillating water column gas compression chamber 2, crest
During close to oscillating water column gas compression 2 antetheca of chamber, air intlet door 3 is closed, and seawater enters oscillating water column gas compression chamber
2, promote its water level inside to rise, volume reduces so that after inner air is compressed into predetermined pressure, from air conduction door 4
Discharge is deposited into low pressure flexible underwater gas storage bag 6 through check-valves 5.And work as trough close to the antetheca of oscillating water column gas compression chamber 2
When, air intlet door 3 is opened, as seawater is constantly extracted out from oscillating water column gas compression chamber 2, under its water level inside is continuous
Drop so that the air pressure in oscillating water column gas compression chamber 2 reduces, and extraneous air flows into oscillating water column by air intlet door 3
Gas compression chamber 2.Moved in circles with this, convert wave energy into the interior energy of compressed air.
When the electromotive power output of wind energy on the sea converting system 1 is more than needed, compressed-air energy-storage system works in energy storage pattern, this
When I valve 7, II valve 11 open, III valve 13 is closed, and I shaft coupling 16 engages, and II shaft coupling 18 disconnects, electricity
Motivation/generator 17 works in electric motor mode, and the low-pressure air in low pressure flexible underwater gas storage bag 6 flows successively through I valve 7
With source of the gas switching system 8, the second compression again of the compressor 9 through unnecessary electrical energy drive, it is stored in the underwater gas storage bag 12 of high-voltage flexible,
Compression process heat energy is stored in hold over system 10 simultaneously.If it is worth noting that, low pressure flexible underwater gas storage bag 6
During air capacity deficiency, source of the gas switching system 8 will switch to air, and surrounding air will directly be compressed by compressor.
When 1 electromotive power output deficiency of wind energy on the sea converting system, compressed-air energy-storage system, which works in, releases energy pattern, this
When I valve 7, II valve 11 close, III valve 13 is opened, and I shaft coupling 16 disconnects, and II shaft coupling 18 engages, electricity
Motivation/generator 17 works in generator mode, and the pressure-air in the underwater gas storage bag 12 of high-voltage flexible is first in hold over system
Absorbed heat in 10, subsequently into heating by ignition in combustion system 14, finally enter expansion work in turbine 15, drive motor/hair
Motor 17 generates electricity, and makes up the vacancy of power consumption.It is worth noting that, can according to the actual requirements power difference come determine burning system
System 14 whether put into operation and during on-line operation ignition temperature scope.
Claims (6)
1. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy, it is characterised in that including wind energy on the sea
Converting system (1), oscillating water column compressed air system, underwater compressed-air energy-storage system and motor/generator (17)；Institute
The output end for stating wind energy on the sea converting system (1) is connected to main power network and motor/generator (17), motor/generator
(17) underwater compressed-air energy-storage system is connected to by shaft coupling, and the arrival end connection of underwater compressed-air energy-storage system is shaken
Swing water column compressed air system.
2. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy according to claim 1, it is special
Sign is that the oscillating water column compressed air system includes oscillating water column gas compression chamber (2), oscillating water column gas compression chamber
Room (2) is provided with opening being submerged in undersea part, and the top of oscillating water column gas compression chamber (2) is provided with air intlet
Door (3), the rear wall of oscillating water column gas compression chamber (2) offer air conduction door (4), the port of export of air conduction door (4)
Low pressure flexible underwater gas storage bag (6) is connected to, the port of export of low pressure flexible underwater gas storage bag (6) is connected to underwater compressed air storage
Can system.
3. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy according to claim 2, it is special
Sign is that the source of the gas that the underwater compressed-air energy-storage system includes being connected to low pressure flexible underwater gas storage bag (6) port of export is cut
System (8) is changed, source of the gas switching system (8) is provided with air intake, and the port of export of source of the gas switching system (8) is connected to compressor
(9), the compressor (9) is connected by I shaft coupling (16) with motor/generator (17), and the output end of compressor (9) is led to
Cross hold over system (10) and be connected to the underwater gas storage bag (12) of high-voltage flexible, the port of export of the underwater gas storage bag (12) of high-voltage flexible passes through
Hold over system (10) is connected to turbine (15), and turbine (15) is connected by II shaft coupling (18) with motor/generator (17).
4. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy according to claim 3, it is special
Sign is, I valve (7), accumulation of heat system are provided between low pressure flexible underwater gas storage bag (6) port of export and source of the gas switching system (8)
II valve (11), the underwater gas storage bag of high-voltage flexible are provided between system (10) and underwater gas storage bag (12) arrival end of high-voltage flexible
(12) III valve (13) is provided between the port of export and hold over system (10).
5. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy according to claim 3, it is special
Sign is, combustion system (14) is provided between hold over system (10) and turbine (15), and combustion system (14) is provided with fuel inlet.
6. a kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy according to claim 2, it is special
Sign is, check-valves (5) is provided between the port of export of air conduction door (4) and the arrival end of low pressure flexible underwater gas storage bag (6).
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| CN108757282A (en) * | 2018-05-25 | 2018-11-06 | 西安交通大学 | Sea is without dam water pumping compressed air energy-storage and method |
| CN108895017A (en) * | 2018-07-09 | 2018-11-27 | 中国矿业大学 | A kind of multistage constant pressure compression air energy-storing apparatus |
| CN108916105A (en) * | 2018-07-09 | 2018-11-30 | 中国矿业大学 | A kind of constant pressure compression air energy-storing apparatus |
| CN108999770A (en) * | 2018-07-06 | 2018-12-14 | 西安交通大学 | A kind of nonadiabatic isobaric twin containers compressed-air energy-storage system in sea and method |
| CN109026231A (en) * | 2018-07-10 | 2018-12-18 | 西安交通大学 | A kind of marine energy storage and energy release combined cycle system based on oil tanker platform |
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| CN108757282A (en) * | 2018-05-25 | 2018-11-06 | 西安交通大学 | Sea is without dam water pumping compressed air energy-storage and method |
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| CN108999770A (en) * | 2018-07-06 | 2018-12-14 | 西安交通大学 | A kind of nonadiabatic isobaric twin containers compressed-air energy-storage system in sea and method |
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| CN108916105A (en) * | 2018-07-09 | 2018-11-30 | 中国矿业大学 | A kind of constant pressure compression air energy-storing apparatus |
| CN109026231A (en) * | 2018-07-10 | 2018-12-18 | 西安交通大学 | A kind of marine energy storage and energy release combined cycle system based on oil tanker platform |
| CN110332462A (en) * | 2019-07-10 | 2019-10-15 | 深圳赛诺凡尔纳能源有限公司 | A kind of underwater compressed-air energy storage power generator |
| CN110360055A (en) * | 2019-08-08 | 2019-10-22 | 西安热工研究院有限公司 | Mesolow air accumulation energy type offshore wind power system and its operation method |
| CN111082435B (en) * | 2019-12-13 | 2021-10-08 | 葛洲坝中科储能技术有限公司 | Output control system and method for wind power and compressed air energy storage |
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| WO2022166391A1 (en) * | 2021-02-07 | 2022-08-11 | 百穰新能源科技(深圳)有限公司 | Co2 gas-liquid phase transition-based multistage compression energy storage apparatus for converting thermal energy into mechanical energy |
| CN113482889A (en) * | 2021-08-12 | 2021-10-08 | 哈尔滨工业大学 | Underwater isobaric compressed air hybrid energy storage system and method |
| CN114576073A (en) * | 2022-03-08 | 2022-06-03 | 刘兴和 | Energy conversion and storage device |
| 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 |
| CN116608092B (en) * | 2023-05-22 | 2024-04-12 | 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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