CN110332075A - Indirect-cooling air heat accumulation energy storage offshore wind power system and operation method - Google Patents
Indirect-cooling air heat accumulation energy storage offshore wind power system and operation method Download PDFInfo
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- CN110332075A CN110332075A CN201910730137.5A CN201910730137A CN110332075A CN 110332075 A CN110332075 A CN 110332075A CN 201910730137 A CN201910730137 A CN 201910730137A CN 110332075 A CN110332075 A CN 110332075A
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- 238000009825 accumulation Methods 0.000 title claims abstract description 81
- 238000004146 energy storage Methods 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims description 32
- 238000010248 power generation Methods 0.000 claims description 9
- 239000013535 sea water Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000005338 heat storage Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- 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
- F03D9/18—Combinations of wind motors with apparatus storing energy storing heat
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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
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- 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
- F05B2240/95—Mounting on supporting structures or systems offshore
-
- 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
- Y02E60/16—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)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of indirect-cooling air heat accumulation energy storage offshore wind power system and operation methods, the system includes wind-driven generator, submarine cable, booster stations, heat accumulation energy storage platform, thermal storage device, heat exchanger, high pressure and low pressure air compressor, high pressure and low-pressure air turbine, underwater gas storage air bag, connecting pipeline and valve, it can be achieved by multiple air compressor machines to store the dump energy that offshore wind farm generates into underwater air bag and thermal storage device, when the electric energy that offshore wind farm generates is insufficient or can not produce electricl energy, after compressed air in air bag successively absorbs heat with the high-temperature heat-storage working medium flowed out from thermal storage device twice in heat exchanger, high pressure and the acting of low-pressure air turbine are pushed respectively, it is electric energy by the thermal energy Efficient Conversion in air compression energy and thermal storage device, electric energy is provided to power grid, offshore wind farm unit itself is realized by such scheme With certain power regulation ability, it is excessive and cause the impact to power grid can to significantly reduce or eliminate existing offshore wind farm power swing.
Description
Technical field
The present invention relates to the crossing domains of Oversea wind power generation and air heat accumulation energy storage technology, and in particular to a kind of indirect-cooling
Air heat accumulation energy storage offshore wind power system and operation method.
Background technique
Offshore wind farm technology is a kind of advanced clean energy technology using wind energy on the sea, and wind energy on the sea has gross reserves
Greatly, the feature long using hourage, but influenced by marine fluctuations in wind speed, the power output of offshore wind farm is simultaneously unstable,
Therefore there are systematic impacts to power grid system for offshore wind farm.It is mismatched to solve offshore wind farm power output and power grid demand
Problem, marine wind electric field or power grid need to consider to be equipped with a certain proportion of energy-accumulating power station that draws water, air energy-accumulating power station or battery
Energy-accumulating power station.However, the energy-accumulating power station that draws water needs that landform and water source is relied on to build；The energy density of air energy storage is low, so land
Gas storage volume needed for the gas energy storage power station of overhead is big, if too high using metal air accumulator cost, the general mine using exhaust gas is made
For the volume for storing air, therefore the construction of air energy-accumulating power station is there is also gas storage region is limited, and the pressure used when storage gas
When power reduces, turbine power output is unstable；Battery energy storage power station principle is simple, though not depending on landform, its technology itself is also
It is not mature enough, stable, not formed unified standard in industry, existing battery energy storage power station service life is shorter, construction cost is higher,
Severe accident easily occurs.If can be by compressed-air energy storage in conjunction with offshore wind farm unit, by compressed-air-storing in Hai Ping
In the air bag below of face, then the stability of offshore wind farm unit own power output can be improved, make the defeated of offshore wind farm unit
Power has a certain range of regulating power out, then can reduce impact of the offshore wind farm to power grid, reduces power grid to storage of drawing water
The construction and peak regulation demand in energy power station, land air energy-accumulating power station or battery energy storage power station.Currently, there is no effective underwater air
Heat accumulation energy storage technology scheme is able to achieve offshore wind farm power output and power grid demand fluctuation carries out real-time power match and adjusting.
If a kind of technology can be developed, realizes that offshore wind farm unit itself has regulating power, utilize wind energy on the sea preferably.
Summary of the invention
The object of the invention is that providing a kind of indirect-cooling air heat accumulation energy storage sea turn to solve the above-mentioned problems
Force generating system and operation method, the system itself have certain power regulation ability, can significantly reduce or eliminate existing sea
Upper wind power fluctuates excessive and causes the impact to power grid.
The present invention through the following technical solutions to achieve the above objectives:
Indirect-cooling air heat accumulation energy storage offshore wind power system, including one or more wind-driven generators 1, wind energy conversion system sea
Bottom cable 2, booster stations 3, submarine cable 4, seabed heat accumulation energy storage station cable 5, heat accumulation energy storage platform 6, thermal storage device 7, heat exchanger
8, low pressure air compressor 9, High Pressure Air Compressor 10, pressure-air turbine 11, low-pressure air turbine 12, air bag 13, thermal storage device inlet tube
Line 14, thermal storage device outlet line 15, low pressure air compressor inlet line 16, low pressure air compressor outlet line 17, High Pressure Air Compressor into
Mouthful pipeline 18, High Pressure Air Compressor outlet line 19, pressure-air turbine inlet line 20, pressure-air turbine outlet line 21,
Low-pressure air turbine inlet line 22, low-pressure air turbine outlet line 23, heat exchanger exit pipeline 24, heat exchanger exit valve
25, air bag inlet line 26, heat exchanger inlet line 27, heat exchanger imported valve 28 and air bag outlet line 29, wherein one
Or multiple wind-driven generators 1 are connected by wind energy conversion system submarine cable 2 with booster stations 3, booster stations 3 are connected to by submarine cable 4
External electrical network, booster stations 3 are also connected by seabed heat accumulation energy storage station cable 5 with heat accumulation energy storage platform 6, thermal storage device 7, heat exchanger
8, low pressure air compressor 9, High Pressure Air Compressor 10, pressure-air turbine 11 and low-pressure air turbine 12 are fixed on heat accumulation energy storage platform
On 6,16 one end of low pressure air compressor inlet line is placed in air, and the other end is connected with the import of low pressure air compressor 9, low pressure pneumatics
17 one end of machine outlet line is connected with the outlet of low pressure air compressor 9, and the other end is connected with the import of heat exchanger 8, and pressure-air is saturating
Flat 20 one end of inlet line is connected with the outlet of heat exchanger 8, and the other end is connected with the import of pressure-air turbine 11, pressure-air
21 one end of turbine outlet line is connected with the outlet of pressure-air turbine 11, and the other end is connected with the import of heat exchanger 8, and low pressure is empty
22 one end of gas turbine inlet line is connected with the import of low-pressure air turbine 12, and the other end is connected with the outlet of heat exchanger 8, low pressure
23 one end of air turbine outlet line is connected with the outlet of low-pressure air turbine 12, and the other end is placed in air, thermal storage device import
One end of pipeline 14 is connected with the import of thermal storage device 7, and the other end is connected with the outlet of heat exchanger 8, thermal storage device outlet line 15 1
End is connected with the outlet of thermal storage device 7, and the other end is connected with the import of heat exchanger 8, and the outlet of heat exchanger 8 passes through the heat exchange being connected
Device outlet line 24 and air bag inlet line 26 are connected with the import for the air bag 13 being fixed under seawater, in heat exchanger exit pipeline
Heat exchanger exit valve 25 is provided on 24, the import of heat exchanger 8 passes through the heat exchanger inlet line 27 being connected and air bag goes out
Mouth pipeline 29 is connected with the outlet for the air bag 13 being fixed under seawater, and heat exchanger import is provided in heat exchanger inlet line 27
Valve 28.
The heat accumulation energy storage platform 6 is fixed on island or on hull.
The number of the air bag 13 is more than or equal to 1, and when the number of air bag 13 is greater than 1, connects each other between air bag 13
Logical, the air bag 13 is fixed on a certain constant depth within 80 to 1000 meters.
The operating voltage of the low pressure air compressor 9 and High Pressure Air Compressor 10 is identical as the voltage of booster stations 3, and pressure-air is saturating
Flat 11 and 12 unit of low-pressure air turbine output voltage it is identical as the voltage of booster stations 3.
After the electric energy that the wind-driven generator 1 exports can be transmitted to 3 transformation of booster stations by wind energy conversion system submarine cable 2, then
It is conveyed to power grid or heat accumulation energy storage platform 6, the electrical power that heat accumulation energy storage platform 6 generates can be stored up directly by seabed heat accumulation
It can stand cable 5 and submarine cable 4 is sent to power grid.
The operation method of the indirect-cooling air heat accumulation energy storage offshore wind power system, main there are three the stages, respectively
For stage of directly surfing the Internet, energy storage heat accumulation stage and exoergic exothermic phase, the direct online stage refers to indirect-cooling air heat accumulation
When the output power of energy storage offshore wind power system is the 90% to 110% of power grid requirements, 25 He of heat exchanger exit valve
Heat exchanger imported valve 28 is in close state, and the electric energy that wind-driven generator 1 exports all passes sequentially through wind energy conversion system submarine cable
2, booster stations 3 and submarine cable 4 are transmitted to power grid；The energy storage heat accumulation stage refers to indirect-cooling air heat accumulation energy storage Oversea wind
When the output power of electricity generation system is 110% or more of power grid requirements, heat exchanger exit valve 25 is in the open state, heat exchange
Device imported valve 28 is in close state, and the electrical power that wind-driven generator 1 exports is divided into two parts electrical power, first part be with
The equal electrical power of power grid requirements, second part are the part electrical power for having more power grid requirements, wherein first part's electric work
Rate passes sequentially through wind energy conversion system submarine cable 2, booster stations 3 and submarine cable 4 and is transmitted to power grid, and second part electrical power passes sequentially through
Wind energy conversion system submarine cable 2, booster stations 3, submarine cable 4, seabed heat accumulation energy storage station cable 5 are delivered to heat accumulation energy storage platform 6, band
Dynamic low pressure air compressor 9 and High Pressure Air Compressor 10 convert electrical energy into the compression energy and thermal energy of gas, the pressure of gas to air work
Contracting can be stored in air bag 9, and the thermal energy that compressed gas generates passes through the flowing in heat exchanger 8 between compressed gas and heat accumulation working medium
Heat exchange, by thermal energy storage in thermal storage device 7；The exoergic exothermic phase refers to indirect-cooling air heat accumulation energy storage Oversea wind power generation
The output power of system be power grid requirements 90% or less when, heat exchanger exit valve 25 is in close state, heat exchanger into
Mouth valve 28 is in the open state, and the high pressure gas in air bag 9 is introduced into heat exchanger 8, and the heat accumulation working medium flowed out with thermal storage device 7 exists
Heat exchange is carried out in heat exchanger 8, the high pressure gas after temperature increases pushes the acting power generation of pressure-air turbine 11 so that high pressure gas
After being again introduced into the heat accumulation working medium progress heat exchange flowed out in heat exchanger 8 with thermal storage device 7 after body decrease temperature and pressure, temperature is promoted again
Gas working medium, push the acting power generation of low-pressure air turbine 12, the electricity that pressure-air turbine 11 and low-pressure air turbine 12 export
Power grid can be delivered to by seabed heat accumulation energy storage station cable 5 and submarine cable 4.
The beneficial effects of the present invention are:
Currently, there is not yet can be used for solving the mature technology side of offshore wind farm online electrical power fluctuation problems of too
Case.The invention proposes a kind of indirect-cooling air heat accumulation energy storage offshore wind power system that operability is high, the present invention passes through
High pressure and low pressure air compressor, high pressure and low-pressure air turbine, heat exchanger, heat accumulation are set on offshore island or floating hull
The technical solution of device and underwater gas storage air bag is, it can be achieved that the dump energy that offshore wind farm is generated passes through the storage conversion of multiple air compressor machines
For the compression energy and thermal energy of gas, the compression energy of gas is stored into underwater air bag, gas storage pressure up to 0.8MPa extremely
10MPa improves the energy density of air energy storage, when the electric energy that offshore wind farm generates is insufficient or can not produce electricl energy, gas
After compressed air in capsule successively absorbs heat from the high-temperature heat-storage working medium that thermal storage device flows out twice in heat exchanger, push respectively
High pressure and the acting of low-pressure air turbine, are electric energy by the thermal energy Efficient Conversion in air compression energy and thermal storage device, provide to power grid
Electric energy realizes that offshore wind farm unit itself has certain power regulation ability by such scheme, can significantly reduce or eliminate
Existing offshore wind farm power swing is excessive and causes the impact to power grid.This programme uses underwater air bag gas storage, when in air bag
When gas is reduced, the pressure of gas is equal to surrounding seawater pressure, air bag volume contraction, it can be achieved that turbine inlet pressure is constant,
The air turbine power out-put characteristic in this system can be made more steady, higher than land air energy-accumulating power station turbine output characteristics
Effect.Meanwhile this programme replaces expensive storage tank using the underwater air bag scheme of lower cost, reduces costs and does not benefit from
Land space limitation, has the characteristics that the service life is long, flexibility is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of indirect-cooling air heat accumulation energy storage offshore wind power system of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, indirect-cooling air heat accumulation energy storage offshore wind power system, including one or more wind-driven generators
1, wind energy conversion system submarine cable 2, booster stations 3, submarine cable 4, seabed heat accumulation energy storage station cable 5, heat accumulation energy storage platform 6, heat accumulation
Device 7, heat exchanger 8, low pressure air compressor 9, High Pressure Air Compressor 10, pressure-air turbine 11, low-pressure air turbine 12, air bag 13, storage
Hot device inlet line 14, thermal storage device outlet line 15, low pressure air compressor inlet line 16, low pressure air compressor outlet line 17, height
Pressure air compressor machine inlet line 18, High Pressure Air Compressor outlet line 19, pressure-air turbine inlet line 20, pressure-air turbine go out
Mouth pipeline 21, low-pressure air turbine inlet line 22, low-pressure air turbine outlet line 23, heat exchanger exit pipeline 24, heat exchange
Device outlet valve 25, air bag inlet line 26, heat exchanger inlet line 27, heat exchanger imported valve 28 and air bag outlet line
29, wherein one or more wind-driven generators 1 are connected by wind energy conversion system submarine cable 2 with booster stations 3, and booster stations 3 pass through seabed
Cable 4 is connected to external electrical network, and booster stations 3 are also connected by seabed heat accumulation energy storage station cable 5 with heat accumulation energy storage platform 6, stores up
Hot device 7, heat exchanger 8, low pressure air compressor 9, High Pressure Air Compressor 10, pressure-air turbine 11 and low-pressure air turbine 12 are fixed on storage
On hot energy storage platform 6,16 one end of low pressure air compressor inlet line is placed in air, the import of the other end and low pressure air compressor 9
It is connected, 17 one end of low pressure air compressor outlet line is connected with the outlet of low pressure air compressor 9, the import phase of the other end and heat exchanger 8
Even, 20 one end of pressure-air turbine inlet line is connected with the outlet of heat exchanger 8, the import of the other end and pressure-air turbine 11
Be connected, 21 one end of pressure-air turbine outlet line is connected with the outlet of pressure-air turbine 11, the other end and heat exchanger 8 into
Mouth is connected, and 22 one end of low-pressure air turbine inlet line is connected with the import of low-pressure air turbine 12, the other end and heat exchanger 8
Outlet is connected, and 23 one end of low-pressure air turbine outlet line is connected with the outlet of low-pressure air turbine 12, and the other end is placed in air
In, one end of thermal storage device inlet line 14 is connected with the import of thermal storage device 7, and the other end is connected with the outlet of heat exchanger 8, thermal storage device
15 one end of outlet line is connected with the outlet of thermal storage device 7, and the other end is connected with the import of heat exchanger 8, and the outlet of heat exchanger 8 passes through
The heat exchanger exit pipeline 24 and air bag inlet line 26 being connected are connected with the import for the air bag 13 being fixed under seawater, are changing
Heat exchanger exit valve 25 is provided on hot device outlet line 24, the import of heat exchanger 8 passes through the heat exchanger inlet tube being connected
Line 27 and air bag outlet line 29 are connected with the outlet for the air bag 13 being fixed under seawater, are arranged in heat exchanger inlet line 27
There is heat exchanger imported valve 28.
As the preferred embodiment of the present invention, the heat accumulation energy storage platform 6 is fixed on island or on hull.
As the preferred embodiment of the present invention, the number of the air bag 13 is more than or equal to 1, and when the number of air bag 13 is big
It when 1, is connected to each other between air bag 13, the air bag 13 is fixed on a certain constant depth within 80 to 1000 meters.
As the preferred embodiment of the present invention, the operating voltage and liter of the low pressure air compressor 9 and High Pressure Air Compressor 10
The voltage at pressure station 3 is identical, the voltage phase of the output voltage and booster stations 3 of 12 unit of pressure-air turbine 11 and low-pressure air turbine
Together.
As the preferred embodiment of the present invention, the electric energy of one or several wind-driven generators 1 output can pass through wind-force
After machine submarine cable 2 is transmitted to 3 transformation of booster stations, then it is conveyed to power grid or heat accumulation energy storage platform 6, heat accumulation energy storage platform 6
The electrical power of generation directly can be sent to power grid by seabed heat accumulation energy storage station cable 5 and submarine cable 4.
Mainly there are three the stages for the course of work of the indirect-cooling air heat accumulation energy storage offshore wind power system, respectively
Directly online stage, energy storage heat accumulation stage and exoergic exothermic phase, the direct online stage refer to that indirect-cooling air heat accumulation stores up
Can the output power of offshore wind power system when being the 90% to 110% of power grid requirements, heat exchanger exit valve 25 and change
Hot device imported valve 28 is in close state, wind-driven generator 1 export electric energy all pass sequentially through wind energy conversion system submarine cable 2,
Booster stations 3 and submarine cable 4 are transmitted to power grid；The energy storage heat accumulation stage refers to that indirect-cooling air heat accumulation energy storage Oversea wind is sent out
When the output power of electric system is 110% or more of power grid requirements, heat exchanger exit valve 25 is in the open state, heat exchanger
Imported valve 28 is in close state, and the electrical power that wind-driven generator 1 exports is divided into two parts electrical power, and first part is and electricity
The equal electrical power of net requirements, second part are the part electrical power for having more power grid requirements, wherein first part's electrical power
It passes sequentially through wind energy conversion system submarine cable 2, booster stations 3 and submarine cable 4 and is transmitted to power grid, second part electrical power passes sequentially through wind
Power machine submarine cable 2, booster stations 3, submarine cable 4, seabed heat accumulation energy storage station cable 5 are delivered to heat accumulation energy storage platform 6, drive
Low pressure air compressor 9 and High Pressure Air Compressor 10 convert electrical energy into the compression energy and thermal energy of gas, the compression of gas to air work
It can be stored in air bag 9, the thermal energy that compressed gas generates is changed by the flowing in heat exchanger 8 between compressed gas and heat accumulation working medium
Heat, by thermal energy storage in thermal storage device 7；The exoergic exothermic phase refers to indirect-cooling air heat accumulation energy storage Oversea wind power generation system
When the output power of system is 90% or less power grid requirements, heat exchanger exit valve 25 is in close state, heat exchanger import
Valve 28 is in the open state, and the high pressure gas in air bag 9 is introduced into heat exchanger 8, and the heat accumulation working medium flowed out with thermal storage device 7 is being changed
Heat exchange is carried out in hot device 8, the high pressure gas after temperature increases pushes the acting power generation of pressure-air turbine 11 so that high pressure gas
After being again introduced into the heat accumulation working medium progress heat exchange flowed out in heat exchanger 8 with thermal storage device 7 after decrease temperature and pressure, temperature is promoted again
Gas working medium pushes the acting power generation of low-pressure air turbine 12, the electric energy that pressure-air turbine 11 and low-pressure air turbine 12 export
Power grid is delivered to by seabed heat accumulation energy storage station cable 5 and submarine cable 4.
Claims (6)
1. indirect-cooling air heat accumulation energy storage offshore wind power system, it is characterised in that: including one or more wind-driven generators
(1), wind energy conversion system submarine cable (2), booster stations (3), submarine cable (4), seabed heat accumulation energy storage station cable (5), heat accumulation energy storage station
It is platform (6), thermal storage device (7), heat exchanger (8), low pressure air compressor (9), High Pressure Air Compressor (10), pressure-air turbine (11), low
Press air turbine (12), air bag (13), thermal storage device inlet line (14), thermal storage device outlet line (15), low pressure air compressor import
Pipeline (16), low pressure air compressor outlet line (17), High Pressure Air Compressor inlet line (18), High Pressure Air Compressor outlet line
(19), pressure-air turbine inlet line (20), pressure-air turbine outlet line (21), low-pressure air turbine inlet line
(22), low-pressure air turbine outlet line (23), heat exchanger exit pipeline (24), heat exchanger exit valve (25), air bag import
Pipeline (26), heat exchanger inlet line (27), heat exchanger imported valve (28) and air bag outlet line (29), wherein one or
Multiple wind-driven generators (1) are connected by wind energy conversion system submarine cable (2) with booster stations (3), and booster stations (3) pass through submarine cable
(4) it is connected to external electrical network, booster stations (3) also pass through seabed heat accumulation energy storage station cable (5) and heat accumulation energy storage platform (6) phase
Even, thermal storage device (7), heat exchanger (8), low pressure air compressor (9), High Pressure Air Compressor (10), pressure-air turbine (11) and low pressure are empty
Gas turbine (12) is fixed on heat accumulation energy storage platform (6), and low pressure air compressor inlet line (16) one end is placed in air, another
End is connected with the import of low pressure air compressor (9), the outlet phase of low pressure air compressor outlet line (17) one end and low pressure air compressor (9)
Even, the other end is connected with the import of heat exchanger (8), the outlet of pressure-air turbine inlet line (20) one end and heat exchanger (8)
It is connected, the other end is connected with the import of pressure-air turbine (11), and pressure-air turbine outlet line (21) one end and high pressure are empty
The outlet of gas turbine (11) is connected, and the other end is connected with the import of heat exchanger (8), low-pressure air turbine inlet line (22) one end
It is connected with the import of low-pressure air turbine (12), the other end is connected with the outlet of heat exchanger (8), low-pressure air turbine outlet line
(23) one end is connected with the outlet of low-pressure air turbine (12), and the other end is placed in air, and the one of thermal storage device inlet line (14)
End be connected with the import of thermal storage device (7), the other end is connected with the outlet of heat exchanger (8), thermal storage device outlet line (15) one end and
The outlet of thermal storage device (7) is connected, and the other end is connected with the import of heat exchanger (8), and the outlet of heat exchanger (8) is changed by what is be connected
Hot device outlet line (24) and air bag inlet line (26) are connected with the import for the air bag (13) being fixed under seawater, in heat exchanger
It is provided on outlet line (24) heat exchanger exit valve (25), the import of heat exchanger (8) passes through the heat exchanger import being connected
Pipeline (27) and air bag outlet line (29) are connected with the outlet for the air bag (13) being fixed under seawater, in heat exchanger inlet line
(27) heat exchanger imported valve (28) are provided on.
2. indirect-cooling air heat accumulation energy storage offshore wind power system according to claim 1, it is characterised in that: the storage
Hot energy storage platform (6) is fixed on island or on hull.
3. indirect-cooling air heat accumulation energy storage offshore wind power system according to claim 1, it is characterised in that: the gas
The number of capsule (13) is more than or equal to 1, and when the number of air bag (13) is greater than 1, air bag is connected to each other between (13), the gas
Capsule (13) is fixed on a certain constant depth within 80 to 1000 meters.
4. indirect-cooling air heat accumulation energy storage offshore wind power system according to claim 1, it is characterised in that: described low
Press the operating voltage of air compressor machine (9) and High Pressure Air Compressor (10) identical as the voltage of booster stations (3), pressure-air turbine (11) and
The output voltage of low-pressure air turbine (12) unit is identical as the voltage of booster stations (3).
5. indirect-cooling air heat accumulation energy storage offshore wind power system according to claim 1, it is characterised in that: one or
After the electric energy of multiple wind-driven generator (1) outputs is transmitted to booster stations (3) transformation by wind energy conversion system submarine cable (2), then convey
To power grid or heat accumulation energy storage platform (6), the electrical power that heat accumulation energy storage platform (6) generates directly passes through seabed heat accumulation energy storage station
Cable (5) and submarine cable (4) are sent to power grid.
6. the operation method of indirect-cooling air heat accumulation energy storage offshore wind power system described in any one of claim 1 to 5,
Be characterized in that: there are three the stages for the course of work of the indirect-cooling air heat accumulation energy storage offshore wind power system, respectively directly
Net stage, energy storage heat accumulation stage and exoergic exothermic phase are connected, the direct online stage refers to indirect-cooling air heat accumulation energy storage
When the output power of offshore wind power system is the 90% to 110% of power grid requirements, heat exchanger exit valve (25) and change
Hot device imported valve (28) is in close state, and the electric energy of wind-driven generator (1) output all passes sequentially through wind energy conversion system seabed electricity
Cable (2), booster stations (3) and submarine cable (4) are transmitted to power grid；The energy storage heat accumulation stage refers to indirect-cooling air heat accumulation energy storage
When the output power of offshore wind power system is 110% or more of power grid requirements, heat exchanger exit valve (25) is in and opens
State is opened, heat exchanger imported valve (28) is in close state, and the electrical power of wind-driven generator (1) output is divided into two parts electric work
Rate, first part are the electrical power equal with power grid requirements, and second part is the part electrical power for having more power grid requirements,
Middle first part's electrical power passes sequentially through wind energy conversion system submarine cable (2), booster stations (3) and submarine cable (4) and is transmitted to power grid, the
Two part electrical power pass sequentially through wind energy conversion system submarine cable (2), booster stations (3), submarine cable (4), seabed heat accumulation energy storage station electricity
Cable (5) is delivered to heat accumulation energy storage platform (6), drives low pressure air compressor (9) and High Pressure Air Compressor (10) to air work, will be electric
It can be converted into the compression energy and thermal energy of gas, the compression energy of gas is stored in air bag (9), and the thermal energy that compressed gas generates passes through
Fluid interchange between the interior compressed gas of heat exchanger (8) and heat accumulation working medium, by thermal energy storage in thermal storage device (7)；The exoergic
Exothermic phase refer to indirect-cooling air heat accumulation energy storage offshore wind power system output power be power grid requirements 90% with
When lower, heat exchanger exit valve (25) is in close state, and heat exchanger imported valve (28) is in the open state, in air bag (9)
High pressure gas be introduced into heat exchanger (8), heat exchange, temperature are carried out in the heat exchanger (8) with the heat accumulation working medium of thermal storage device (7) outflow
High pressure gas after degree increases pushes pressure-air turbine (11) acting power generation so that being again introduced into after high pressure gas decrease temperature and pressure
After carrying out heat exchange with the heat accumulation working medium of thermal storage device (7) outflow in heat exchanger (8), the gas working medium of temperature is promoted again, is pushed
The electric energy of low-pressure air turbine (12) acting power generation, pressure-air turbine (11) and low-pressure air turbine (12) output passes through seabed
Heat accumulation energy storage station cable (5) and submarine cable (4) are delivered to power grid.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657067A (en) * | 2019-11-14 | 2020-01-07 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN110700999A (en) * | 2019-11-14 | 2020-01-17 | 西安热工研究院有限公司 | Cold reheating type heat exchanger of offshore wind power station and operation method |
| CN111894806A (en) * | 2020-07-10 | 2020-11-06 | 西安热工研究院有限公司 | Wind energy and tidal current energy coupling power generation method and system based on offshore horizontal axis wind turbine platform |
| CN113217285A (en) * | 2021-06-11 | 2021-08-06 | 盛东如东海上风力发电有限责任公司 | Compressed air energy storage system based on offshore wind power platform and working method thereof |
| CN113294293A (en) * | 2021-06-23 | 2021-08-24 | 中国科学院广州能源研究所 | Large-scale offshore electric energy storage and comprehensive utilization system based on compressed air energy storage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050035050A (en) * | 2003-10-11 | 2005-04-15 | 박회배 | Rotator that use hydraulic cylinder |
| CN103114971A (en) * | 2013-02-06 | 2013-05-22 | 西安交通大学 | Hybrid energy storage system used for restraining fluctuation of clustering wind power plant power output |
| CN107939604A (en) * | 2017-10-19 | 2018-04-20 | 华北电力大学 | A kind of wind-powered electricity generation and seawater compressed-air energy storage integrated apparatus and method |
| 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 |
| CN210371025U (en) * | 2019-08-08 | 2020-04-21 | 西安热工研究院有限公司 | Indirect cooling type air heat storage energy storage offshore wind power generation system |
-
2019
- 2019-08-08 CN CN201910730137.5A patent/CN110332075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050035050A (en) * | 2003-10-11 | 2005-04-15 | 박회배 | Rotator that use hydraulic cylinder |
| CN103114971A (en) * | 2013-02-06 | 2013-05-22 | 西安交通大学 | Hybrid energy storage system used for restraining fluctuation of clustering wind power plant power output |
| CN107939604A (en) * | 2017-10-19 | 2018-04-20 | 华北电力大学 | A kind of wind-powered electricity generation and seawater compressed-air energy storage integrated apparatus and method |
| 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 |
| CN210371025U (en) * | 2019-08-08 | 2020-04-21 | 西安热工研究院有限公司 | Indirect cooling type air heat storage energy storage offshore wind power generation system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657067A (en) * | 2019-11-14 | 2020-01-07 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN110700999A (en) * | 2019-11-14 | 2020-01-17 | 西安热工研究院有限公司 | Cold reheating type heat exchanger of offshore wind power station and operation method |
| CN110657067B (en) * | 2019-11-14 | 2024-03-15 | 西安热工研究院有限公司 | Offshore wind power compressed air energy storage type heat reservoir and operation method |
| CN111894806A (en) * | 2020-07-10 | 2020-11-06 | 西安热工研究院有限公司 | Wind energy and tidal current energy coupling power generation method and system based on offshore horizontal axis wind turbine platform |
| CN113217285A (en) * | 2021-06-11 | 2021-08-06 | 盛东如东海上风力发电有限责任公司 | Compressed air energy storage system based on offshore wind power platform and working method thereof |
| CN113294293A (en) * | 2021-06-23 | 2021-08-24 | 中国科学院广州能源研究所 | Large-scale offshore electric energy storage and comprehensive utilization system based on compressed air energy storage |
| CN113294293B (en) * | 2021-06-23 | 2022-06-21 | 中国科学院广州能源研究所 | Large-scale offshore electric energy storage and comprehensive utilization system based on compressed air energy storage |
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