CN107035447B - Compress supercritical carbon dioxide accumulation of energy hold over system and its working method - Google Patents
Compress supercritical carbon dioxide accumulation of energy hold over system and its working method Download PDFInfo
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- CN107035447B CN107035447B CN201710243325.6A CN201710243325A CN107035447B CN 107035447 B CN107035447 B CN 107035447B CN 201710243325 A CN201710243325 A CN 201710243325A CN 107035447 B CN107035447 B CN 107035447B
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 88
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 88
- 238000009825 accumulation Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 229960004424 carbon dioxide Drugs 0.000 claims description 86
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 4
- 239000002028 Biomass Substances 0.000 claims description 3
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002440 industrial waste Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
-
- 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
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of compression supercritical carbon dioxide accumulation of energy hold over system and its working methods, belong to energy storage area.The system includes motor, compressor, low-pressure supercritical carbon dioxide storage tank, cooler, storage heater, high temperature oil tank, High-pressure supercritical carbon dioxide storage tank, low temperature oil pump, low temperature oil tank, high temperature oil pump, preheater, regenerator, heater, turbine and generator.Electric energy is used to compress supercritical carbon dioxide in network load trough period, compression supercritical carbon dioxide is discharged in network load peak period and pushes turbine acting power generation.This system can accumulation of energy accumulation of heat simultaneously, realize conventional " peak load shifting ", and compared with traditional compressed air, can reduce the volume of storage tank, save work done during compression, conduction oil circulation is added, the thermal efficiency of whole system can be improved.
Description
Technical field
The present invention devises a kind of compression supercritical carbon dioxide accumulation of energy hold over system and its working method, belongs to accumulation of energy neck
Domain.
Background technique
As environmental problem caused by traditional fossil energy and energy crisis are got worse, emphasis is more placed on by people
In the development and utilization of new energy, such as solar energy, wind energy, nuclear energy and biomass fuel.The main Land use systems of new energy are
It is translated into electric energy.In entire power grid, there are network load trough period and power grid are negative according to the difference of self-demand by user
Lotus peak period, and the power demand difference in the two periods is very big, and this will lead to the electric energy of power plant production in electricity consumption height
The peak phase cannot meet the needs of users, and will cause the waste of a large amount of excrescent electric power in the low power consumption phase, therefore often need
It is equipped with large-scale power storage devices to deploy power grid, plays the role of " peak load shifting ", so that electric energy obtains sufficiently
It utilizes.In network load trough period, the extra electric power of power grid is stored, exports electric energy, supplement in network load peak period
Power generation can greatly improve the effective rate of utilization of electric energy in this way, reduce cost of investment.
Currently, energy accumulating technique in the world mainly has physics accumulation of energy, such as water-storage, compressed air accumulation of energy, flywheel energy storage
Deng, electromagnetic storage, such as superconducting magnetic accumulation of energy, supercapacitor accumulation of energy, chemical accumulation of energy, such as lead-acid battery, oxidation, reduction liquid
The three categories such as battery, lithium ion battery.Development at present is most mature and is suitable for the mainly physics accumulation of energy of large-scale industrial application,
Wherein water-storage is restricted very serious by landform, and compressed air accumulation of energy also has special requirement, flywheel energy storage to geologic structure
The mode for then needing the maintenance cost of great number, therefore finding other physics accumulation of energys is the important directions of energy accumulating technique development.
Supercritical fluid refers to a kind of special state that substance is in its critical-temperature and critical pressure or more and is formed
Fluid, a variety of physicochemical properties have both the two a little between gas and liquid.It is wherein widely used
It is supercritical carbon dioxide, density is close to liquid, and viscosity is close to gas, and critical condition is easy to reach, chemical property
Torpescence, colorless and odorless is nontoxic, safety, cheap.If carried out using compression supercritical carbon dioxide substitution compressed air
Accumulation of energy can substantially reduce the volume of storage tank, while can save work done during compression, and more energy are stored in the case where identical electric energy
Amount.
Summary of the invention
The advantages that present invention is small in size using supercritical carbon dioxide, and energy storage potentiality are big, using the overcritical titanium dioxide of compression
Carbon substitutes compressed air and carries out accumulation of energy, the volume of storage tank can be substantially reduced, while can save work done during compression, in identical electric energy
In the case of store more energy.
A kind of compression supercritical carbon dioxide accumulation of energy hold over system, it is characterised in that: the system includes motor, compression
Machine, low-pressure supercritical carbon dioxide storage tank, cooler, storage heater, high temperature oil tank, High-pressure supercritical carbon dioxide storage tank, low temperature
Oil pump, low temperature oil tank, high temperature oil pump, preheater, regenerator, heater, turbine and generator；
Cooler includes cold side input port, cold side outlet port, hot side entrance and hot side outlet, and storage heater includes cold side input port, cold
Side outlet, hot side entrance and hot side outlet, preheater include cold side input port, cold side outlet port, hot side entrance and hot side outlet, backheat
Device includes cold side input port, cold side outlet port, hot side entrance and hot side outlet, and heater includes that cold side input port, cold side outlet port, hot side enter
Mouth and hot side outlet；
Motor is connected with compressor, and compressor outlet is connected with storage heater hot side entrance, and storage heater hot side outlet passes through
Accumulation of energy regulating valve is connected with High-pressure supercritical carbon dioxide storage tank entrance, and High-pressure supercritical carbon dioxide storage tank is exported by releasing energy
Regulating valve is connected with preheater cold side input port, and preheater cold side outlet port is connected with heater cold side input port, heater cold side outlet port
Be connected with turbine entrance, turbine is connected with generator, turbine outlet is connected with regenerator hot side entrance, regenerator hot side outlet and
Cooler hot side entrance is connected, and cooler hot side outlet is connected with low-pressure supercritical carbon dioxide storage tank entrance, low-pressure supercritical
Carbon dioxide storage tank outlet is connected by low-pressure supercritical carbon dioxide regulating valve with suction port of compressor；
Low temperature tank outlet is connected with low temperature oil pump, and low temperature fuel pump outlet divides two-way, all the way by accumulation of heat low temperature oil valve with
Storage heater cold side input port be connected, storage heater cold side outlet port is connected with high temperature oil tank entrance, another way pass through backheat low temperature oil valve and
Regenerator cold side input port is connected, and regenerator cold side outlet port is connected by backheat high temperature oil valve with high temperature oil tank entrance, high temperature oil tank
Outlet is connected with high temperature oil pump, and high temperature oil pump outlet is connected by preheating high temperature oil valve with preheater hot side entrance, preheater hot
Side outlet is connected with low temperature oil tank entrance.
The compression supercritical carbon dioxide accumulation of energy hold over system, which is characterized in that coolant media and cooler cold side
Entrance is connected, and cooler cold side outlet port is connected with coolant media system, and coolant media can be air and cooling water etc.；
The compression supercritical carbon dioxide accumulation of energy hold over system, which is characterized in that thermal medium and heater hot side
Entrance is connected, and heater hot side outlet is connected with thermal medium system, and thermal medium can be solar energy heating, biomass combustion
With industrial waste heat etc..
The working method of the compression supercritical carbon dioxide accumulation of energy hold over system, which is characterized in that including following mistake
Journey:
In network load trough period, the accumulation of heat low temperature oil valve, accumulation of energy regulating valve and low-pressure supercritical carbon dioxide are opened
Regulating valve closes the backheat high temperature oil valve, releases and be adjustable valve, preheating high temperature oil valve and backheat low temperature oil valve, and low-temp low-pressure is super
Critical carbon dioxide is flowed out from low-pressure supercritical carbon dioxide storage tank, enters compression through low-pressure supercritical carbon dioxide regulating valve
Machine, motor convert mechanical energy for the extra electric energy of power grid and drive compressor compresses low-pressure supercritical carbon dioxide, compressor
The High-pressure supercritical carbon dioxide of outlet enters the hot side entrance of storage heater, while the low temperature conduction oil in low temperature oil tank is through low temperature
Oil pump and accumulation of heat low temperature oil valve enter storage heater cold side input port, and two fluids exchanges heat in storage heater, low temperature conduction oil warp
Enter high temperature oil tank after heating to store for future use, the cryogenic high pressure supercritical carbon dioxide after heat release is stored in High-pressure supercritical dioxy
Change and is stored for future use in carbon storage tank；
In network load peak period, open the backheat high temperature oil valve, release be adjustable valve, preheating high temperature oil valve and backheat it is low
Warm oil valve closes the accumulation of heat low temperature oil valve, accumulation of energy regulating valve and low-pressure supercritical carbon dioxide regulating valve, and cryogenic high pressure is super to be faced
Boundary's carbon dioxide, which is flowed out from High-pressure supercritical carbon dioxide storage tank from preheater cold side input port, to be entered, while the height in high temperature oil tank
Warm conduction oil enters preheater hot side entrance through high temperature oil pump and preheating high temperature oil valve, and two fluids is changed in preheater
Heat, the high temperature heat conductive oil after heat release enter low temperature oil tank and store for future use, and the High-pressure supercritical carbon dioxide after preheating enters heating
Device cold side input port, thermal medium enter from heater hot side entrance, and two fluids exchanges heat in heater, the heat after heat release
For medium from heater hot side outlet outflow system, the high temperature and pressure supercritical carbon dioxide after being heated enters turbine acting band
The low-pressure supercritical carbon dioxide of dynamic electrical power generators, turbine outlet enters regenerator hot side entrance, while in low temperature oil tank
Low temperature conduction oil enters regenerator cold side input port through low temperature oil pump and backheat low temperature oil valve, and the low temperature conduction oil after backheat is through backheat
High temperature oil valve enters high temperature oil tank and stores for future use, and the low-pressure supercritical carbon dioxide after heat release enters cooler hot side entrance, together
When coolant media enter from cooler cold side input port, two fluids exchanges heat in cooler, the coolant media after heat absorption from
Cooler cold side outlet port outflow system, cooled low-temp low-pressure supercritical carbon dioxide are stored in low-pressure supercritical carbon dioxide
In storage tank.
Electric energy is used to compress supercritical carbon dioxide by the present invention in network load trough period, stores after storage heater cools down
In High-pressure supercritical carbon dioxide storage tank, network load peak period discharge compression supercritical carbon dioxide, preheated device and
High temperature and pressure supercritical carbon dioxide after heater pushes turbine acting power generation, and supercritical carbon dioxide is remaining after recycling acting
Heat enters in low-pressure supercritical carbon dioxide storage tank after cooling.It is proposed by the present invention to utilize compression supercritical carbon dioxide energy storage
It not only may be implemented to deploy power grid, can also be used in combination with intermittent electric powers such as solar power generation and wind-power electricity generations,
Stable high-quality electric energy is provided for power grid, conduction oil circulation is added, is realized using storage heater, preheater and regenerator to being
Heat makes full use of in system, improves the thermal efficiency of whole system.
Detailed description of the invention
Supercritical carbon dioxide accumulation of energy hold over system figure is compressed described in Fig. 1；
Network load trough period system accumulation of energy accumulation of heat process chart described in Fig. 2；
Network load peak period system described in Fig. 3 is released can heat release process chart；
Figure label title: 1- motor；2- compressor；3- low-pressure supercritical carbon dioxide storage tank；4- cooler；5- stores
Hot device；6- high temperature oil tank；7- High-pressure supercritical carbon dioxide storage tank；8- low temperature oil pump；9- low temperature oil tank；10- high temperature oil pump；
11- preheater；12- regenerator；13- heater；14- turbine；15- generator；161- accumulation of heat low temperature oil valve；162- energy storage is adjusted
Valve；163- backheat high temperature oil valve；164-, which is released, is adjustable valve；165- preheats high temperature oil valve；166- backheat low temperature oil valve；167- low pressure
Supercritical carbon dioxide regulating valve.
Specific implementation method
Fig. 1 is compression supercritical carbon dioxide accumulation of energy hold over system figure proposed by the present invention, illustrate referring to Fig. 1 be
The course of work of system.
In network load trough period, the accumulation of heat low temperature oil valve 161, accumulation of energy regulating valve 162 and low-pressure supercritical two are opened
Carbonoxide regulating valve 167, close the backheat high temperature oil valve 163, release be adjustable valve 164, preheating high temperature oil valve 165 it is low with backheat
Warm oil valve 166, low-temp low-pressure supercritical carbon dioxide is flowed out from low-pressure supercritical carbon dioxide storage tank 3, through low-pressure supercritical
Carbon dioxide regulating valve 167 enters compressor 2, and motor 1 converts mechanical energy for the extra electric energy of power grid and compressor 2 is driven to press
Contracting low-pressure supercritical carbon dioxide, the High-pressure supercritical carbon dioxide that compressor 2 exports enter the hot side entrance of storage heater 5, together
When low temperature oil tank 9 in low temperature conduction oil enter 5 cold side input port of storage heater through low temperature oil pump 8 and accumulation of heat low temperature oil valve 161, two strands
Fluid exchanges heat in storage heater 5, enters high temperature oil tank 6 after low temperature conduction oil is heated and stores for future use, the low temperature after heat release
High-pressure supercritical carbon dioxide storage stores for future use in High-pressure supercritical carbon dioxide storage tank 7；
In network load peak period, open the backheat high temperature oil valve 163, release be adjustable valve 164, preheating high temperature oil valve
165 and backheat low temperature oil valve 166, close the accumulation of heat low temperature oil valve 161, accumulation of energy regulating valve 162 and low-pressure supercritical titanium dioxide
Carbon regulating valve 167, cryogenic high pressure supercritical carbon dioxide are flowed out from High-pressure supercritical carbon dioxide storage tank 7 from 11 cold side of preheater
Entrance enters, while the high temperature heat conductive oil in high temperature oil tank 6 enters preheater 11 through high temperature oil pump 10 and preheating high temperature oil valve 165
Hot side entrance, two fluids exchange heat in preheater 11, the high temperature heat conductive oil after heat release enter low temperature oil tank 9 store it is standby
Enter 13 cold side input port of heater with, the High-pressure supercritical carbon dioxide after preheating, thermal medium is from 13 hot side entrance of heater
Into, two fluids exchanges heat in heater 13, the thermal medium after heat release from 13 hot side outlet outflow system of heater,
High temperature and pressure supercritical carbon dioxide after being heated enters the acting of turbine 14 and generator 15 is driven to generate electricity, and turbine 14 exports low
Pressure supercritical carbon dioxide enters 12 hot side entrance of regenerator, while the low temperature conduction oil in low temperature oil tank 9 is through 8 He of low temperature oil pump
Backheat low temperature oil valve 166 enters regenerator cold side input port, and the low temperature conduction oil after backheat enters high temperature through backheat high temperature oil valve 163
Oil tank 6 stores for future use, and the low-pressure supercritical carbon dioxide after heat release enters 4 hot side entrance of cooler, while coolant media is from cold
But 4 cold side input port of device enters, and two fluids exchanges heat in cooler 4, and the coolant media after heat absorption goes out from 4 cold side of cooler
Mouth outflow system, cooled low-temp low-pressure supercritical carbon dioxide are stored in low-pressure supercritical carbon dioxide storage tank 3.
Claims (4)
1. a kind of compression supercritical carbon dioxide accumulation of energy hold over system, it is characterised in that: the system includes motor (1), compression
Machine (2), low-pressure supercritical carbon dioxide storage tank (3), cooler (4), storage heater (5), high temperature oil tank (6), High-pressure supercritical two
Carbonoxide storage tank (7), low temperature oil pump (8), low temperature oil tank (9), high temperature oil pump (10), preheater (11), regenerator (12), heating
Device (13), turbine (14) and generator (15)；
Cooler (4) includes cold side input port, cold side outlet port, hot side entrance and hot side outlet, storage heater (5) include cold side input port,
Cold side outlet port, hot side entrance and hot side outlet, preheater (11) include that cold side input port, cold side outlet port, hot side entrance and hot side go out
Mouthful, regenerator (12) includes cold side input port, cold side outlet port, hot side entrance and hot side outlet, heater (13) include cold side input port,
Cold side outlet port, hot side entrance and hot side outlet；
Motor (1) is connected with compressor (2), and compressor (2) outlet is connected with storage heater (5) hot side entrance, storage heater (5) heat
Side outlet is connected by accumulation of energy regulating valve (162) with High-pressure supercritical carbon dioxide storage tank (7) entrance, High-pressure supercritical titanium dioxide
Carbon storage tank (7) outlet is adjustable valve (164) and is connected with preheater (11) cold side input port by releasing, preheater (11) cold side outlet port and
Heater (13) cold side input port is connected, and heater (13) cold side outlet port is connected with turbine (14) entrance, turbine (14) and generator
(15) it is connected, turbine (14) outlet is connected with regenerator (12) hot side entrance, regenerator (12) hot side outlet and cooler (4) heat
Side entrance is connected, and cooler (4) hot side outlet is connected with low-pressure supercritical carbon dioxide storage tank (3) entrance, low-pressure supercritical two
Carbonoxide storage tank (3) outlet is connected by low-pressure supercritical carbon dioxide regulating valve (167) with suction port of compressor；
Low temperature oil tank (9) outlet is connected with low temperature oil pump (8), and low temperature oil pump (8) outlet divides two-way, passes through accumulation of heat low-temperature oil all the way
Valve (161) is connected with storage heater (5) cold side input port, and storage heater (5) cold side outlet port is connected with high temperature oil tank (6) entrance, another way
It is connected by backheat low temperature oil valve (166) with regenerator (12) cold side input port, regenerator (12) cold side outlet port passes through backheat high temperature
Oil valve (163) is connected with high temperature oil tank (6) entrance, and high temperature oil tank (6) outlet is connected with high temperature oil pump (10), high temperature oil pump (10)
Outlet is connected by preheating high temperature oil valve (165) with preheater (11) hot side entrance, preheater (11) hot side outlet and low-temperature oil
Tank (9) entrance is connected.
2. compression supercritical carbon dioxide accumulation of energy hold over system according to claim 1, which is characterized in that coolant media with
Cooler (4) cold side input port is connected, and cooler (4) cold side outlet port is connected with coolant media system, and coolant media is air or cold
But water.
3. compression supercritical carbon dioxide accumulation of energy hold over system according to claim 1, which is characterized in that thermal medium with
Heater (13) hot side entrance is connected, and heater (13) hot side outlet is connected with thermal medium system entry, and thermal medium is too
Positive energy thermal-arrest, biomass combustion or industrial waste heat.
4. the working method of compression supercritical carbon dioxide accumulation of energy hold over system according to claim 1, which is characterized in that
Including following procedure:
In network load trough period, the accumulation of heat low temperature oil valve (161), accumulation of energy regulating valve (162) and low-pressure supercritical two are opened
Carbonoxide regulating valve (167), close the backheat high temperature oil valve (163), release be adjustable valve (164), preheating high temperature oil valve (165)
With backheat low temperature oil valve (166), low-temp low-pressure supercritical carbon dioxide is flowed out from low-pressure supercritical carbon dioxide storage tank (3),
Enter compressor (2) through low-pressure supercritical carbon dioxide regulating valve (167), motor (1) converts the extra electric energy of power grid to
Mechanical energy drive compressor (2) compression and low pressure supercritical carbon dioxide, compressor (2) outlet High-pressure supercritical carbon dioxide into
Enter the hot side entrance of storage heater (5), while the low temperature conduction oil in low temperature oil tank (9) is through low temperature oil pump (8) and accumulation of heat low-temperature oil
Valve (161) enters storage heater (5) cold side input port, and two fluids exchanges heat in storage heater (5), after low temperature conduction oil is heated
It is stored for future use into high temperature oil tank (6), the cryogenic high pressure supercritical carbon dioxide after heat release is stored in High-pressure supercritical titanium dioxide
Carbon storage tank stores for future use in (7)；
In network load peak period, open the backheat high temperature oil valve (163), release be adjustable valve (164), preheating high temperature oil valve
(165) and backheat low temperature oil valve (166), close that the accumulation of heat low temperature oil valve (161), accumulation of energy regulating valve (162) and low pressure are super to face
Boundary's carbon dioxide regulating valve (167), cryogenic high pressure supercritical carbon dioxide from High-pressure supercritical carbon dioxide storage tank (7) flow out from
Preheater (11) cold side input port enters, while the high temperature heat conductive oil in high temperature oil tank (6) is through high temperature oil pump (10) and preheating high temperature
Oil valve (165) enters preheater (11) hot side entrance, and two fluids exchanges heat in preheater (11), and the high temperature after heat release is led
Hot oil enters low temperature oil tank (9) and stores for future use, and the High-pressure supercritical carbon dioxide after preheating enters heater (13) cold side input port,
Thermal medium enters from heater (13) hot side entrance, and two fluids exchanges heat in heater (13), the heating agent after heat release
For medium from heater (13) hot side outlet outflow system, the high temperature and pressure supercritical carbon dioxide after being heated enters turbine (14)
Acting drives generator (15) power generation, and the low-pressure supercritical carbon dioxide of turbine (14) outlet enters regenerator (12) hot side and enters
Mouthful, while the low temperature conduction oil in low temperature oil tank (9) is cold into regenerator through low temperature oil pump (8) and backheat low temperature oil valve (166)
Side entrance, the low temperature conduction oil after backheat enters high temperature oil tank (6) through backheat high temperature oil valve (163) and stores for future use, after heat release
Low-pressure supercritical carbon dioxide enters cooler (4) hot side entrance, while coolant media enters from cooler (4) cold side input port,
Two fluids exchanges heat in the cooler (4), and the coolant media after heat absorption is from cooler (4) cold side outlet port outflow system, quilt
Cooling low-temp low-pressure supercritical carbon dioxide is stored in low-pressure supercritical carbon dioxide storage tank (3).
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| CN201710243325.6A CN107035447B (en) | 2017-04-14 | 2017-04-14 | Compress supercritical carbon dioxide accumulation of energy hold over system and its working method |
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| CN107035447B true CN107035447B (en) | 2018-12-07 |
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| CN107905863B (en) * | 2017-11-06 | 2020-03-17 | 西安交通大学 | Distributed supercritical carbon dioxide peak regulation energy storage thermoelectric and cold cogeneration system |
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| CN114198170B (en) * | 2021-12-09 | 2022-11-04 | 西安交通大学 | Carbon dioxide energy storage system based on double heat storage loops and working method thereof |
| CN114709934A (en) * | 2022-04-06 | 2022-07-05 | 西安热工研究院有限公司 | Normal-temperature liquid compressed carbon dioxide mixed working medium energy storage system and method |
| CN115075900B (en) * | 2022-04-28 | 2024-08-06 | 哈尔滨工业大学 | Adsorption type compressed supercritical CO2Combined heat and power storage combined supply system and operation method thereof |
| CN115163229B (en) * | 2022-08-03 | 2024-07-23 | 哈尔滨工业大学 | Transcritical and supercritical coupling compression of CO2Energy storage system and method for operating the same |
| CN116839241A (en) * | 2023-07-04 | 2023-10-03 | 清华四川能源互联网研究院 | Cold, heat and electricity triple supply system for energy storage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452612A (en) * | 2013-08-28 | 2013-12-18 | 中国科学院工程热物理研究所 | Compressed air energy storage system using carbon dioxide as working medium |
| CN104454054A (en) * | 2014-12-10 | 2015-03-25 | 中国科学院工程热物理研究所 | Constant-pressure energy storage system using carbon dioxide as working medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006035273B4 (en) * | 2006-07-31 | 2010-03-04 | Siegfried Dr. Westmeier | Process for effective and low-emission operation of power plants, as well as for energy storage and energy conversion |
-
2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452612A (en) * | 2013-08-28 | 2013-12-18 | 中国科学院工程热物理研究所 | Compressed air energy storage system using carbon dioxide as working medium |
| CN104454054A (en) * | 2014-12-10 | 2015-03-25 | 中国科学院工程热物理研究所 | Constant-pressure energy storage system using carbon dioxide as working medium |
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