CN110206600A - A kind of heat pump power storage system and method storing up cold heat accumulation based on array - Google Patents
A kind of heat pump power storage system and method storing up cold heat accumulation based on array Download PDFInfo
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- CN110206600A CN110206600A CN201910479123.0A CN201910479123A CN110206600A CN 110206600 A CN110206600 A CN 110206600A CN 201910479123 A CN201910479123 A CN 201910479123A CN 110206600 A CN110206600 A CN 110206600A
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- 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
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
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- 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
- F01K21/00—Steam engine plants not otherwise provided for
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- 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
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- 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
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of heat pump power storage systems and method that cold heat accumulation is stored up based on array, the system includes heat pump heating refrigeration tank circuit and cold and hot energy thermo-mechanical power generation circuit, and the thermal energy and cold energy of the system are stored respectively in multiple Research of High Temperature Regenerative Heat Exchange device arrays and low-temperature cold accumulation heat exchanger array.High temperature heat and cryogenic cold energy are produced using power station low ebb (low price) electric drive heat pump heating refrigeration cycle and are stored respectively in Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array；Gas in peak of power consumption, circuit absorbs stored high temperature heat and cryogenic cold energy by array control, is generated electricity by power cycle driven generator.The heat pump power storage system that cold heat accumulation is stored up based on array of the invention have many advantages, such as energy storage density it is high, it is at low cost, high-efficient, stable, suitable for peak load regulation network and various renewable energy power stations, do not generate greenhouse gases.
Description
Technical field
The invention belongs to energy storing technology fields, are related to a kind of heat pump power storage system that cold heat accumulation is stored up based on array,
It is a kind of energy-storage system produced electricl energy based on heat pump cycle storage energy and using institute's storage energy and method.
Background technique
In recent years, renewable energy just gradually becomes newly-increased electric power important sources, and electric network composition and operational mode all occur
Great change.With renewable energy (wind energy, solar energy etc.) become increasingly popular and peak load regulation network, improve power grid it is reliable
Property and improve the urgent need of power quality, the importance of electric energy storing system is increasingly prominent.Energy storage is smart grid, renewable
The important component and key of the high accounting energy resource system of the energy, " internet+" wisdom energy (hereinafter referred to as energy internet)
Support technology.Energy storage can provide a variety of services such as peak regulation, frequency modulation, spare, black starting-up, demand response support for operation of power networks,
It is the important means for promoting conventional electric power system flexibility, economy and safety；Energy storage can significantly improve wind, light etc. can be again
The consumption of the raw energy is horizontal, support distribution formula electric power and microgrid, be push the main body energy from fossil energy to renewable energy more
The key technology replaced；Energy storage can promote production of energy consumption opening and shares and flexibly transaction, realization multipotency collaboration, be building energy
Source interconnection net pushes power system reform and promotes the key foundation of the new industry situation development of the energy.
At present existing power energy storage technology include draw water energy storage, compressed-air energy storage, batteries to store energy, superconduction magnetic energy, fly
Take turns energy storage and super capacitor etc..The good situation of China's energy storage presentation diverse development: water-storage is quickly grown；Compressed air storage
Energy, flywheel energy storage, superconducting energy storage and super capacitor, the energy storage skill such as lead storage battery, lithium ion battery, sodium-sulphur battery, flow battery
Art research and development application accelerates；Heat accumulation, Chu Leng, hydrogen storage technology also achieve certain progress.Wherein with energy storage of drawing water, heat accumulation energy storage and pressure
Contracting air energy storage is the physical method energy storage of representative since its is at low cost, stored energy capacitance is big, is suitble to large-scale commercial application, about
Account for the 99.5% of world's energy storage total amount.
Power station of drawing water energy-storage system allows motor to drive the water of the low reservoir of pump handle when electric system is in valley load
High reservoir is extracted by pipeline to consume a part of electric energy.When peak load comes temporarily, the water of Gao Shuiku makes water pump by pipeline
With motor reversed operation and become the hydraulic turbine and generator and issue electric energy supply user, thus play the role of peak load shifting.
The technical mature and reliable of power station of drawing water energy-storage system, high-efficient (~70%), the advantages that stored energy capacitance is big, make extensively at present
With.But power station of drawing water energy-storage system needs special geographical conditions two reservoirs of construction and dam, construction period very long by (one
As about 7~15 years), initial investment is huge.It is more intractable, it builds large reservoir meeting large area and floods vegetation even city,
Ecology and immigration problem are caused, therefore builds power station of drawing water energy-storage system and receives increasing limitation.
Air is compressed and is stored in air storage chamber in low power consumption by conventional compression air energy storage systems, is converted into electric energy
The interior of air can store；In peak of power consumption, pressure-air is discharged from air storage chamber, into gas-turbine combustion chamber with fuel one
Then combust drives turbine power generation.Compressed-air energy-storage system is larger with stored energy capacitance, the energy storage period is long, high-efficient
The advantages that (50%~70%) and specific investment cost are relatively small.But the energy storage density of compressed air energy storage technology is low, difficult point is
Need suitably can storing compressed air place, such as the cavern or abandoned mine etc. of sealing.Moreover, compressed-air energy storage system
System still relies on combustion of fossil fuels and provides heat source, on the one hand faces the threat that fossil fuel is petered out with rise in price, separately
On the one hand its burning still generates the pollutants such as nitride, sulfide and carbon dioxide, does not meet green (zero-emission), renewable
Energy development requirement.
To solve the main problem that conventional compression air energy storage systems face, recent years, domestic and foreign scholars carried out respectively
Advanced adiabatic compression air energy storage systems (AACAES), ground compressed-air energy-storage system (SVCAES), the compression with backheat are empty
The research etc. of gas energy storage system (AACAES) and air vapor combined cycle compressed-air energy-storage system (CASH), makes compressed air
Energy-storage system substantially can be to avoid combustion of fossil fuels, but the energy density of compressed-air energy-storage system is still very low, needs
Large-scale air storage chamber.
Summary of the invention
For disadvantages mentioned above present in the prior art and deficiency, the object of the present invention is to provide one kind to be stored up based on array
The heat pump power storage system and method for cold heat accumulation, the system include that heat pump heating refrigeration tank circuit and cold and hot energy thermo-mechanical power generation return
Road, the thermal energy and cold energy of the system are stored respectively in the array of multiple packed bed compositions.It is driven using power station low ebb (low price) electricity
Dynamic heat pump heating refrigeration cycle is produced high temperature heat and cryogenic cold energy and is stored in heat-storage and cold-storage array；In electricity consumption height
Peak, the gas heat-storage and cold-storage array in circuit absorb stored high temperature heat and cryogenic cold energy by array control, pass through
The power generation of power cycle driven generator.The heat pump power storage system for storing up cold heat accumulation based on array of the invention has energy storage density
It is high, at low cost, high-efficient, stable, suitable for peak load regulation network and various renewable energy power stations, do not generate greenhouse gases etc.
Advantage.
In order to achieve the above objectives, the technical solution of the invention is as follows:
A kind of heat pump power storage system storing up cold heat accumulation based on array, including driving unit, energy storage compressor set, energy storage are swollen
Swollen unit, the low-temperature cold accumulation heat exchanger of several parallel connections, the Research of High Temperature Regenerative Heat Exchange device of several parallel connections, the first low pressure heat exchanger, first
High pressure heat exchanger releases energy compressor set, releases expansion unit, the second high pressure heat exchanger, the second low pressure heat exchanger, generator unit,
It is characterized in that,
The low-temperature cold accumulation heat exchanger of several parallel connections is formed as low-temperature cold accumulation heat exchanger array, the height of several parallel connections
Intermediate temperature regenerator heat exchanger is formed as Research of High Temperature Regenerative Heat Exchange device array, and each low-temperature cold accumulation heat exchanger, Research of High Temperature Regenerative Heat Exchange device wrap
The top port flowed into and out for recyclegas working medium and bottom port are included,
The top port and bottom port of each low-temperature cold accumulation heat exchanger are formed as described low by pipeline confluence respectively
The top manifold and bottom manifold of warm cold-storage heat-exchanger array, the top port and bottom port of each Research of High Temperature Regenerative Heat Exchange device
Be formed as the top manifold and bottom manifold of the high-temperature and cold-storage heat exchanger array by pipeline confluence respectively；
The driving unit, energy storage compressor set, energy storage expansion unit, low-temperature cold accumulation heat exchanger array, high-temperature heat accumulation change
Hot device array, the first low pressure heat exchanger, the first high pressure heat exchanger are formed as heat pump heating refrigeration tank circuit；
The low-temperature cold accumulation heat exchanger array, Research of High Temperature Regenerative Heat Exchange device array also with it is described release can compressor set, release can be swollen
Swollen unit, the second high pressure heat exchanger, the second low pressure heat exchanger, generator unit are formed as cold and hot energy thermo-mechanical power generation circuit；
Wherein,
-- in heat pump heating refrigeration tank circuit, the driving unit, energy storage compressor set, energy storage expansion unit according to
Secondary transmission connection,
The exhaust outlet of the energy storage compressor set is total by top of the pipeline successively through the Research of High Temperature Regenerative Heat Exchange device array
Pipe is connected to bottom manifold, the hot side of the first high pressure heat exchanger with the air inlet of energy storage expansion unit,
The exhaust outlet of the energy storage expansion unit is total by bottom of the pipeline successively through the low-temperature cold accumulation heat exchanger array
The cold side of pipe to top manifold, the first low pressure heat exchanger is connected to the air inlet of the energy storage compressor set；
-- it is described to release energy compressor set, release expansion unit, generator unit successively in the cold and hot energy thermo-mechanical power generation circuit
Transmission connection,
It is described release can the exhaust outlet of compressor set stored by hot side of the pipeline successively through second high pressure heat exchanger, high temperature
The bottom manifold of heat exchanger array is connected to top manifold with the air inlet for releasing expansion unit,
The exhaust outlet for releasing expansion unit passes through cold side of the pipeline successively through second low pressure heat exchanger, Low Temperature Storage
The top manifold of cold heat exchanger array is connected to bottom manifold with the air inlet for releasing energy compressor set.
Preferably, the system also includes a surge tank, the import of the surge tank by one with valvular pipeline with
The bottom manifold of the Research of High Temperature Regenerative Heat Exchange device array is connected to, and the outlet of the surge tank is by one with valvular pipeline and institute
State the cold side import connection of the second low pressure heat exchanger；When the system stored energy, valve is opened in adjusting surge tank inlet ductwork
Degree, since the bottom manifold pressure of the Research of High Temperature Regenerative Heat Exchange device array is higher than surge tank internal pressure, the high-temperature heat accumulation is changed
A small amount of recyclegas working medium of the bottom manifold outflow of hot device array enters the surge tank, to guarantee that the pressure of system is stablized；
When the system, which is released, to generate electricity, the aperture of valve on surge tank export pipeline is adjusted, since surge tank internal pressure is higher than institute
The pressure of the cold side pipeline of the second low pressure heat exchanger is stated, a small amount of gas in the surge tank flows into second low pressure heat exchanger
Cold side, with guarantee system pressure stablize.
Preferably, the bottom port pipeline of each Research of High Temperature Regenerative Heat Exchange device is equipped with control valve, top port pipeline
It is equipped with temperature sensor.
Further, the system also includes one first controller, first controller and each control valve and
Temperature sensor communication connection, and according to the temperature information of each temperature sensor feedback, control each control valve
Aperture controls the flow of each Research of High Temperature Regenerative Heat Exchange device in turn.
Preferably, the top port pipeline of each low-temperature cold accumulation heat exchanger is equipped with control valve, bottom port pipeline
Equipped with temperature sensor.
Further, the system also includes a second controller, the second controller and each control valve and
Temperature sensor communication connection, and according to the temperature information of each temperature sensor feedback, control each control valve
Aperture controls the flow of each low-temperature heat accumulating heat exchanger in turn.
Preferably, the system drives the energy storage compressor set that room temperature is low in low power consumption phase, the driving unit
The recyclegas working medium of pressure is compressed to high temperature and pressure state；By the Research of High Temperature Regenerative Heat Exchange device array by the circulating air of high temperature and pressure
The temperature of body working medium is reduced to room temperature, and high temperature heat is stored in the accumulation of energy medium of the Research of High Temperature Regenerative Heat Exchange device array；
The recyclegas working medium of normal temperature high voltage temperature after the hot side of first high pressure heat exchanger is down near room temperature；Room temperature high-pressure
Recyclegas working medium further across the energy storage expansion unit expansion be cooled to low-temp low-pressure；The recyclegas of low-temp low-pressure
Working medium temperature after the low-temperature cold accumulation heat exchanger array is increased to room temperature, and cryogenic cold energy is stored in the low-temperature cold accumulation
In the accumulation of energy medium of heat exchanger array；The recyclegas working medium of Room-temperature low-pressure is warm behind the cold side of first low pressure heat exchanger
It spends near room temperature；The entrance that the recyclegas working medium of room temperature low pressure reenters the energy storage compressor set participates in heat pump and follows
Ring loops back and forth like this, and high temperature heat and cryogenic cold energy are constantly respectively stored in the Research of High Temperature Regenerative Heat Exchange device array and low
In the accumulation of energy medium of warm cold-storage heat-exchanger array.
Preferably, the system is changed in peak times of power consumption, the recyclegas working medium of Room-temperature low-pressure by the low-temperature cold accumulation
Hot device array, temperature is down to low-temp low-pressure after absorbing cryogenic cold energy, by the energy compressor set of releasing by the circulation of low-temp low-pressure
Gas working medium is compressed to normal temperature high voltage state；The recyclegas working medium of normal temperature high voltage passes through the hot side temperature of second high pressure heat exchanger
Degree is down near room temperature；The gas working medium temperature of room temperature high-pressure is increased to high temperature by the Research of High Temperature Regenerative Heat Exchange device array；
The recyclegas working medium of high temperature and pressure further across it is described release expansion unit expansion be cooled to Room-temperature low-pressure；Room-temperature low-pressure
Recyclegas working medium behind the cold side of second low pressure heat exchanger temperature near room temperature；The recyclegas work of room temperature low pressure
Matter reenters the low-temperature cold accumulation heat exchanger array and participates in power cycle；The expansion unit of releasing drives the generator unit
Export electric energy；It loops back and forth like this, will constantly be stored in the Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array
In high temperature heat and cryogenic cold energy power output be converted by power cycle come out.
Preferably, the driving unit be driving motor or wind energy conversion system, when the driving unit be driving motor when, be with
One of conventional power plant trough-electricity, nuclear power, wind-powered electricity generation, solar power generation, water power or tidal power generation are a variety of for power supply.
Preferably, the energy storage compressor set and/or release can compressor set, overall pressure tatio is between 5~40；When the storage
Can compressor set and/or release can compressor set when including multiple compressors, multiple compressors be coaxial cascade or split axle simultaneously
Connection form, in split axle parallel form, each split axle and the dynamic connection of main drive shaft.
Preferably, the energy storage expands unit and/or releases expansion unit, and overall expansion ratio is between 5~40；When described
Energy storage expansion unit and/or when to release expansion unit include more expanding machines, more expanding machines are coaxial cascade or split axle
Parallel form, in split axle parallel form, each split axle and the dynamic connection of main drive shaft.
Preferably, each Research of High Temperature Regenerative Heat Exchange device, each low-temperature cold accumulation heat exchanger are filling bed type energy storage equipment,
Whole is in cylindrical body, sphere or cuboid, wherein the energy-accumulation material filled is the materials such as rock, sandstone, metallic particles, solid brick
One kind or at least two kinds of combination.
Preferably, each in the Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array in exoergic process
The Research of High Temperature Regenerative Heat Exchange device and low-temperature cold accumulation heat exchanger do not work at the same time, but in a upper Research of High Temperature Regenerative Heat Exchange device or low temperature
When cold-storage heat-exchanger reaches critical accumulation of heat or cold-storage temperature, a upper Research of High Temperature Regenerative Heat Exchange device or low-temperature cold accumulation heat exchanger are cut off,
Next Research of High Temperature Regenerative Heat Exchange device or low-temperature cold accumulation heat exchanger work, until all Research of High Temperature Regenerative Heat Exchange device or Low Temperature Storage
When cold heat exchanger reaches critical accumulation of heat or cold-storage temperature, the system stalls.
Preferably, the recyclegas working medium is argon gas, helium, hydrogen, nitrogen, the one of which of oxygen or air or extremely
Few two kinds of mixing.
According to another aspect of the present invention, it additionally provides and a kind of runs the above-mentioned heat pump storage for storing up cold heat accumulation based on array
The method of system, which is characterized in that
In the low power consumption phase, the driving unit drives the energy storage compressor set by the recyclegas working medium of Room-temperature low-pressure
It is compressed to high temperature and pressure state；The temperature of the recyclegas working medium of high temperature and pressure is reduced by the Research of High Temperature Regenerative Heat Exchange device array
To room temperature, and high temperature heat is stored in the accumulation of energy medium of the Research of High Temperature Regenerative Heat Exchange device array；The circulating air of normal temperature high voltage
Body working medium temperature after the hot side of first high pressure heat exchanger is down near room temperature；The recyclegas working medium of room temperature high-pressure into
One step is cooled to low-temp low-pressure by energy storage expansion unit expansion；The recyclegas working medium of low-temp low-pressure passes through the low temperature
Temperature is increased to room temperature after cold-storage heat-exchanger array, and cryogenic cold energy is stored in the accumulation of energy of the low-temperature cold accumulation heat exchanger array
In medium；The recyclegas working medium of Room-temperature low-pressure behind the cold side of first low pressure heat exchanger temperature near room temperature；Room
The entrance that the recyclegas working medium of warm low pressure reenters the energy storage compressor set participates in heat pump cycle, loops back and forth like this,
High temperature heat and cryogenic cold energy are constantly respectively stored in the Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array
Accumulation of energy medium in；
In peak times of power consumption, the recyclegas working medium of Room-temperature low-pressure passes through the low-temperature cold accumulation heat exchanger array, absorbs low
Temperature is down to low-temp low-pressure after warm cold energy, by it is described release can compressor set the recyclegas working medium of low-temp low-pressure is compressed to often
Warm high voltage state；The recyclegas working medium of normal temperature high voltage is down near room temperature by the hot side temperature of second high pressure heat exchanger；
The gas working medium temperature of room temperature high-pressure is increased to high temperature by the Research of High Temperature Regenerative Heat Exchange device array；The circulating air of high temperature and pressure
Body working medium further across it is described release expansion unit expansion be cooled to Room-temperature low-pressure；The recyclegas working medium of Room-temperature low-pressure is passed through
Temperature is near room temperature behind the cold side of second low pressure heat exchanger；The recyclegas working medium of room temperature low pressure reenters described low
Warm cold-storage heat-exchanger array participates in power cycle；The expansion unit of releasing drives the generator unit output electric energy；So follow
Ring is reciprocal, will constantly be stored in the high temperature heat in the Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array and low
Warm cold energy is converted into power output by power cycle and comes out.
Preferably, when the system carries out energy storage, the bottom manifold outflow of the Research of High Temperature Regenerative Heat Exchange device array is controlled
A small amount of recyclegas working medium enter the surge tank, with guarantee system pressure stablize；When the system, which is released, to generate electricity, control
The cold side that a small amount of gas in the surge tank flows into second low pressure heat exchanger is made, to guarantee that system pressure is stablized.
Compared with the existing technology, the heat pump power storage system and method for the invention that cold heat accumulation is stored up based on array, using electricity
Low ebb (low price) electric drive heat pump of standing heating refrigeration cycle produces high temperature heat and cryogenic cold energy and is stored respectively in high temperature
In energy-accumulation material in regenerative heat exchanger array and low-temperature cold accumulation heat exchanger array；High-temperature heat accumulation in peak of power consumption, circuit
Heat exchanger array and low-temperature cold accumulation heat exchanger array absorb stored high temperature heat and cryogenic cold energy by array control,
It is generated electricity by power cycle driven generator.The heat pump power storage system that cold heat accumulation is stored up based on array of the invention has energy storage
Density is high, it is at low cost, high-efficient, stable, suitable for peak load regulation network and various renewable energy power stations, do not generate greenhouse gas
The advantages that body.
Detailed description of the invention
Fig. 1 is the heat pump power storage system schematic diagram that cold heat accumulation is stored up based on array of invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, right hereinafter, referring to the drawings and the embodiments,
The present invention is further described.
As shown in Figure 1, the heat pump power storage system of the invention that cold heat accumulation is stored up based on array, by driving unit 1, energy storage pressure
Contracting unit 2, energy storage expansion unit 3, low-temperature cold accumulation heat exchanger 4, low-temperature cold accumulation heat exchanger 5, low-temperature cold accumulation heat exchanger 6, high temperature store
Heat exchanger 7, Research of High Temperature Regenerative Heat Exchange device 8, Research of High Temperature Regenerative Heat Exchange device 9, the first low pressure heat exchanger 10, the first high pressure heat exchanger 11,
Release can compressor set 12, release expansion unit 13, generator unit 14, the second high pressure heat exchanger 15, the second low pressure heat exchanger 16, the
One controller 17, second controller 18, surge tank 19, valve 21,22,104~106,207~209, temperature sensor 107~
109,204~206 and more root canal lines 30~43 composition.
In above system, driving unit 1 is that driving motor or wind energy conversion system are with normal when driving unit 1 is driving motor
Advise one of power station trough-electricity, nuclear power, wind-powered electricity generation, solar power generation, water power or tidal power generation or a variety of for power supply.
Each low-temperature cold accumulation heat exchanger 4~6, each Research of High Temperature Regenerative Heat Exchange device 7~9 are filling bed type energy storage equipment, are integrally in
Cylindrical body, sphere or cuboid, wherein the energy-accumulation material filled is one kind of the materials such as rock, sandstone, metallic particles, solid brick
Or at least two kinds of combination.Wherein, the components shape such as low-temperature cold accumulation heat exchanger 4, low-temperature cold accumulation heat exchanger 5, low-temperature cold accumulation heat exchanger 6
At low-temperature cold accumulation heat exchanger array, it is equipped with control valve 104~106 in the overhead line of each low-temperature cold accumulation heat exchanger 4~6,
Bottom line is equipped with temperature sensor 204~206, each control valve 104~106 and each temperature sensor 204~206 with
The communication connection of first controller 17；The components shapes such as Research of High Temperature Regenerative Heat Exchange device 7, Research of High Temperature Regenerative Heat Exchange device 8, Research of High Temperature Regenerative Heat Exchange device 9
At Research of High Temperature Regenerative Heat Exchange device array, it is equipped with control valve 207~209 in the bottom line of each Research of High Temperature Regenerative Heat Exchange device 7~9,
Temperature sensor 107~109 is equipped in overhead line, each control valve 207~209 and each temperature sensor 107~109 are equal
It is communicated to connect with second controller 17.First controller 17, second controller 17 respectively according to each temperature sensor 204~206,
The temperature information of 107~109 feedbacks controls the aperture of each control valve 104~106,207~209 and then controls each high temperature storage
The flow of heat exchanger 7~9 and each low-temperature cold accumulation heat exchanger 4~6.
The above-mentioned heat pump power storage system that cold heat accumulation is stored up based on array of the invention can integrally be divided into heat pump heating refrigeration
Tank circuit and cold and hot energy thermo-mechanical power generation circuit, the thermal energy and cold energy of the system are stored respectively in the heat accumulation of multiple packed beds compositions
It stores up in cold array.Wherein, energy storage compressor set 2, Research of High Temperature Regenerative Heat Exchange device array 7~9, the first high pressure heat exchanger 11, energy storage are swollen
The components such as swollen unit 3, low-temperature cold accumulation heat exchanger array 4~6, the first low pressure heat exchanger 11 and pipeline 31,32,33,34,35,36
Heat pump heating refrigeration tank circuit is formed, filled with recyclegas working medium in tank circuit.Driving unit 1 is preferably driving motor,
The transmission shaft coaxial arrangement of energy storage compressor set 2 and energy storage expansion unit 3, driving unit 1 and energy storage compressor set 2 and energy storage are swollen
The shared transmission shaft driven of swollen unit 3 connects.The exhaust outlet of energy storage compressor set 2 is successively stored through high temperature by pipeline 31,32,33
Heat exchanger array 7~9, the first high pressure heat exchanger 11 the air inlet of hot side and energy storage expansion unit 3 be connected to, energy storage expanding machine
Group 3 exhaust outlet by pipeline 34,35,36 successively through low-temperature cold accumulation heat exchanger array 4~6, the first low pressure heat exchanger 10 it is cold
Side is connected to the air inlet of energy storage compressor set 2；The exhaust line 32 of Research of High Temperature Regenerative Heat Exchange device array 7~9 is also equipped with by one
The branch line 37 of valve 21 is connected with the import of surge tank 19, when energy storage, by the way that Research of High Temperature Regenerative Heat Exchange device array to be discharged
A small amount of gas distribution to surge tank 19, it is ensured that system pressure is stablized.
It releases energy compressor set 12, the second high pressure heat exchanger 15, Research of High Temperature Regenerative Heat Exchange device array 7~9, release expansion unit
13, the components such as the second low pressure heat exchanger 16, low-temperature cold accumulation heat exchanger array 4~6, generator unit 14 and pipeline 38~43 are formed cold
Thermal energy thermo-mechanical power generation circuit, filled with recyclegas working medium in power generation circuit.It releases energy compressor set 12 and releases expansion unit 13
Transmission shaft coaxial arrangement, generator unit 14 with release can compressor set 12 and release expansion unit 13 shared transmission shaft driven company
It connects.Release can the exhaust outlet of compressor set 12 pass through hot side of the pipeline 42,43,38 successively through the second high pressure heat exchanger, high-temperature heat accumulation
Heat exchanger array 7~9 is connected to the air inlet for releasing expansion unit 13, release the exhaust outlet of expansion unit 13 by pipeline 39,
40 cold side, low-temperature cold accumulation heat exchanger array 4~6 and the air inlet for releasing energy compressor set 12 successively through the second low pressure heat exchanger 16
Connection；The air inlet of second low pressure heat exchanger 16 also passes through pipeline 39 and is connected with the outlet conduit 44 of surge tank 19, outlet
Road 44 is equipped with valve 22, releases when can generate electricity, and a small amount of gas flows into the second low pressure heat exchanger 16 from surge tank 19, to guarantee system
Pressure is stablized.
In the low power consumption phase, driving unit 1 drives energy storage compressor set 2 to be compressed to the recyclegas working medium of Room-temperature low-pressure
High temperature and pressure state；The temperature of the recyclegas working medium of high temperature and pressure is reduced to by Research of High Temperature Regenerative Heat Exchange device array 7~9 later
Room temperature, and high temperature heat is stored in the heat storage medium of Research of High Temperature Regenerative Heat Exchange device array 7~9；The circulation of normal temperature high voltage later
Gas working medium temperature after the hot side of the first high pressure heat exchanger 11 is down near room temperature；The recyclegas working medium of room temperature high-pressure into
One step is cooled to low-temp low-pressure by the energy storage expansion expansion of unit 3；The recyclegas working medium of low-temp low-pressure is changed by low-temperature cold accumulation
The temperature of the recyclegas working medium of low-temp low-pressure is increased to room temperature after hot device array 4~6, and cryogenic cold energy is stored in low temperature
In the cool storage medium of cold-storage heat-exchanger array 4~6；The recyclegas working medium of Room-temperature low-pressure is warm after the first low pressure heat exchanger 10
It spends near room temperature；The entrance that the recyclegas working medium of room temperature low pressure reenters energy storage compressor set 2 participates in heat pump cycle, such as
This moves in circles, and high temperature heat and cryogenic cold energy are constantly respectively stored in the heat storage medium of Research of High Temperature Regenerative Heat Exchange device array 7~9
In the cool storage medium of low-temperature cold accumulation heat exchanger array 4~6.In entire thermal energy storage process, surge tank imported valve is opened, outlet
Valve is closed；The aperture of valve in surge tank inlet ductwork is adjusted, a certain amount of recyclegas enters in surge tank 19 from system,
To guarantee that system pressure is stablized；After thermal energy storage process, valve is closed in surge tank inlet ductwork.
In peak times of power consumption, the recyclegas working medium of Room-temperature low-pressure first passes around low-temperature cold accumulation heat exchanger array 4~6, inhales
Temperature is down to low-temp low-pressure after receiving cryogenic cold energy, is compressed to the recyclegas working medium of low-temp low-pressure by releasing energy compressor set 12
Normal temperature high voltage state；The recyclegas working medium of normal temperature high voltage is down near room temperature by the hot side temperature of the second high pressure heat exchanger 15；
The recyclegas Temperature of Working of room temperature high-pressure is increased to high temperature by Research of High Temperature Regenerative Heat Exchange device array 7~9；High temperature and pressure is followed
Ring gas working medium is cooled to Room-temperature low-pressure further across the expansion of expansion unit 13 is released；The recyclegas working medium of Room-temperature low-pressure passes through
Temperature is crossed after the second low pressure heat exchanger 16 near room temperature；The recyclegas working medium of room temperature low pressure reenters low-temperature cold accumulation heat exchange
The entrance of device array 4~6 participates in power cycle.One generator unit 14 of drive connection of expansion unit 13 is released (preferably to generate electricity
Machine), and release energy compressor set 12 and connect with the transmission shaft driven for releasing expansion unit 13.It loops back and forth like this, it constantly will storage
High temperature heat and cryogenic cold energy power output is converted by power cycle and is come out.In entire exoergic process, surge tank goes out
Mouth valve is opened, and imported valve is closed；The aperture of valve on surge tank export pipeline is adjusted, a certain amount of recyclegas is from buffering
Tank 19 enters in system, to guarantee that system pressure is stablized；After exoergic process, valve is closed on surge tank export pipeline.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of heat pump power storage system for storing up cold heat accumulation based on array, including driving unit, energy storage compressor set, energy storage expansion
It is unit, the low-temperature cold accumulation heat exchanger of several parallel connections, the Research of High Temperature Regenerative Heat Exchange device of several parallel connections, the first low pressure heat exchanger, first high
Pressure heat exchanger releases energy compressor set, releases expansion unit, the second high pressure heat exchanger, the second low pressure heat exchanger, generator unit,
It is characterized in that,
The low-temperature cold accumulation heat exchanger of several parallel connections is formed as low-temperature cold accumulation heat exchanger array, and the high temperature of several parallel connections stores
Heat exchanger is formed as Research of High Temperature Regenerative Heat Exchange device array, and each low-temperature cold accumulation heat exchanger, Research of High Temperature Regenerative Heat Exchange device include using
The top port and bottom port flowed into and out in recyclegas working medium,
The top port and bottom port of each low-temperature cold accumulation heat exchanger are formed as the Low Temperature Storage by pipeline confluence respectively
The top manifold and bottom manifold of cold heat exchanger array, top port and the bottom port difference of each Research of High Temperature Regenerative Heat Exchange device
Be formed as the top manifold and bottom manifold of the high-temperature and cold-storage heat exchanger array by pipeline confluence；
The driving unit, energy storage compressor set, energy storage expand unit, low-temperature cold accumulation heat exchanger array, Research of High Temperature Regenerative Heat Exchange device
Array, the first low pressure heat exchanger, the first high pressure heat exchanger are formed as heat pump heating refrigeration tank circuit；
The low-temperature cold accumulation heat exchanger array, Research of High Temperature Regenerative Heat Exchange device array also with it is described release can compressor set, release expansion machine
Group, the second high pressure heat exchanger, the second low pressure heat exchanger, generator unit are formed as cold and hot energy thermo-mechanical power generation circuit；
Wherein,
-- in the heat pump heating refrigeration tank circuit, the driving unit, energy storage compressor set, energy storage expansion unit are successively passed
Dynamic connection,
The exhaust outlet of the energy storage compressor set passes through top manifold of the pipeline successively through the Research of High Temperature Regenerative Heat Exchange device array extremely
Bottom manifold, the hot side of the first high pressure heat exchanger are connected to the air inlet of energy storage expansion unit,
The exhaust outlet of the energy storage expansion unit passes through bottom manifold of the pipeline successively through the low-temperature cold accumulation heat exchanger array extremely
Top manifold, the first low pressure heat exchanger cold side be connected to the air inlet of the energy storage compressor set；
-- it is described it is cold and hot can in thermo-mechanical power generation circuit, it is described release can compressor set, release expansion unit, generator unit is successively driven
Connection,
It is described release can hot side of the exhaust outlet by pipeline successively through second high pressure heat exchanger of compressor set, high-temperature heat accumulation change
The bottom manifold of hot device array is connected to top manifold with the air inlet for releasing expansion unit,
Cold side of the exhaust outlet for releasing expansion unit by pipeline successively through second low pressure heat exchanger, low-temperature cold accumulation change
The top manifold of hot device array is connected to bottom manifold with the air inlet for releasing energy compressor set.
2. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that the system
It further include a surge tank, the import of the surge tank is by one with valvular pipeline and the Research of High Temperature Regenerative Heat Exchange device array
Bottom manifold connection, the outlet of the surge tank by a cold side with valvular pipeline and second low pressure heat exchanger into
Mouth connection；When the system stored energy, a small amount of recyclegas work of the bottom manifold outflow of the Research of High Temperature Regenerative Heat Exchange device array
Matter enters the surge tank, to guarantee that the pressure of system is stablized；It is a small amount of in the surge tank when the system, which is released, to generate electricity
Gas flows into the cold side of second low pressure heat exchanger, to guarantee that system pressure is stablized.
3. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that each height
The bottom port pipeline of intermediate temperature regenerator heat exchanger is equipped with control valve, and top port pipeline is equipped with temperature sensor.
4. the heat pump power storage system according to claim 3 for storing up cold heat accumulation based on array, which is characterized in that the system
It further include one first controller, first controller is connect with each control valve and temperature sensor communication, and according to
The temperature information of each temperature sensor feedback, controls the aperture of each control valve and then controls each high-temperature heat accumulation
The flow of heat exchanger.
5. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that each described low
The top port pipeline of warm cold-storage heat-exchanger is equipped with control valve, and bottom port pipeline is equipped with temperature sensor.
6. the heat pump power storage system according to claim 5 for storing up cold heat accumulation based on array, which is characterized in that the system
It further include a second controller, the second controller is connect with each control valve and temperature sensor communication, and according to
The temperature information of each temperature sensor feedback, controls the aperture of each control valve and then controls each low-temperature heat accumulating
The flow of heat exchanger.
7. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that the system
In the low power consumption phase, the driving unit drives the energy storage compressor set that the recyclegas working medium compression of Room-temperature low-pressure is supreme
Warm high voltage state；The temperature of the recyclegas working medium of high temperature and pressure is reduced to room temperature by the Research of High Temperature Regenerative Heat Exchange device array,
And high temperature heat is stored in the accumulation of energy medium of the Research of High Temperature Regenerative Heat Exchange device array；The recyclegas working medium of normal temperature high voltage passes through
Temperature is down near room temperature after crossing the hot side of first high pressure heat exchanger；The recyclegas working medium of room temperature high-pressure further across
The energy storage expansion unit expansion is cooled to low-temp low-pressure；The recyclegas working medium of low-temp low-pressure exchanges heat by the low-temperature cold accumulation
Temperature is increased to room temperature after device array, and cryogenic cold energy is stored in the accumulation of energy medium of the low-temperature cold accumulation heat exchanger array；
The recyclegas working medium of Room-temperature low-pressure behind the cold side of first low pressure heat exchanger temperature near room temperature；Room temperature low pressure
The entrance that recyclegas working medium reenters the energy storage compressor set participates in heat pump cycle, loops back and forth like this, constantly will be high
Warm can be respectively stored in the Research of High Temperature Regenerative Heat Exchange device array with cryogenic cold energy and the accumulation of energy of low-temperature cold accumulation heat exchanger array is situated between
In matter.
8. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that the system
In peak times of power consumption, the recyclegas working medium of Room-temperature low-pressure passes through the low-temperature cold accumulation heat exchanger array, after absorbing cryogenic cold energy
Temperature is down to low-temp low-pressure, by it is described release can compressor set the recyclegas working medium of low-temp low-pressure is compressed to normal temperature high voltage
State；The recyclegas working medium of normal temperature high voltage is down near room temperature by the hot side temperature of second high pressure heat exchanger；By institute
It states Research of High Temperature Regenerative Heat Exchange device array and the gas working medium temperature of room temperature high-pressure is increased to high temperature；The recyclegas working medium of high temperature and pressure
Further across it is described release expansion unit expansion be cooled to Room-temperature low-pressure；The recyclegas working medium of Room-temperature low-pressure is by described the
Temperature is near room temperature behind the cold side of two low pressure heat exchangers；The recyclegas working medium of room temperature low pressure reenters the low-temperature cold accumulation
Heat exchanger array participates in power cycle；The expansion unit of releasing drives the generator unit output electric energy；It loops back and forth like this,
High temperature heat and cryogenic cold energy in the Research of High Temperature Regenerative Heat Exchange device array and low-temperature cold accumulation heat exchanger array will be constantly stored in
Power output is converted by power cycle to come out.
9. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that the driving
Unit is that driving motor or wind energy conversion system are with conventional power plant trough-electricity, nuclear power, wind when the driving unit is driving motor
One of electricity, solar power generation, water power or tidal power generation are a variety of for power supply.
10. the heat pump power storage system according to claim 1 for storing up cold heat accumulation based on array, which is characterized in that the storage
Can compressor set and/or release can compressor set, overall pressure tatio is between 5~40；When the energy storage compressor set and/or releases and can press
When contracting unit includes multiple compressors, multiple compressors are coaxial cascade or split axle parallel form, in split axle parallel form,
Each split axle and the dynamic connection of main drive shaft.
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