CN103727011A - Compressed air energy storage system - Google Patents
Compressed air energy storage system Download PDFInfo
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- CN103727011A CN103727011A CN201410018246.1A CN201410018246A CN103727011A CN 103727011 A CN103727011 A CN 103727011A CN 201410018246 A CN201410018246 A CN 201410018246A CN 103727011 A CN103727011 A CN 103727011A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses a compressed air energy storage system which comprises a motor, an air compression unit connected with the motor, an air storage chamber storing compressed air and a temperature controller controlling the temperature inside the air storage chamber. A water atomizing and spraying mechanism used for keeping the temperature inside the air storage chamber stable and a temperature sensor used for measuring the temperature inside the air storage chamber. The air compression unit is used for sucking in air, and after the air is compressed, the air compression unit delivers the compressed air to the air storage chamber through an air channel to be stored. The temperature controller is connected with the temperature sensor so as to receive signals of the temperature sensor. The temperature controller is arranged in a pipeline connected with the water atomizing and spraying mechanism so as to control the work state of the water atomizing and spraying mechanism according to the signals, guarantee that the temperature of the air inside the air storage chamber is kept in a relatively stable temperature interval all the time, prevent frequent alternation of heat and cold of the inner wall of the air storage chamber and guarantee that the air storage chamber is safe and stable.
Description
Technical field
The present invention relates to energy storage power generation technical field, relate in particular to a kind of Caes system.
Background technique
Caes (Compressed Air Energy Storge, CAES) is a kind of extensive accumulation of energy mode with development potentiality, and it has, and dynamic response is fast, cost is low, advantages of environment protection.Its use is extensive, for generating, it is example, Caes power generation system, in the low ebb period of network load, is used the relatively cheap electric drive air compressor Caes of price, and the high-pressure air after compression is stored in specific confined space (as waste and old hole, ore deposit); In network load spike period, discharge high pressure air drives turbine acting generating.
In existing Caes power generation system, compression energy accumulation process adopts multistage compression and the cooling method of inter-stage to guarantee the safe operation of air bells compressor pack low-power dissipation; The heat of compression recovery that venting exoergic process generally adopts afterburning or compression process is produced, and make its heating enter the inlet air of turbine, thus improve the generated output of turbine, the operational efficiency of assurance system.During Caes operation of electric power system, the heat transmission of gas storage chamber and surrounding environment only depends on the natural heat dissipation between gas storage chamber wall and physical environment, gas storage indoor air temperature is directly relevant to gas storage chamber pressure interconversion rate, its temperature is not controlled, not freely especially short time gas storage chamber pressure rise or decline fast of heat radiation, will cause gas storage chamber temperature rapidly rise or decline.Therefore, gas storage chamber is all the time in periodic cold and hot variation, not only can exert an influence to the life-span of gas storage chamber, also can affect the safe operation of Caes system (as: due to long cold and hot variation, gas storage chamber wall surface material fatigue aging), also can exerting an influence to the power consumption of Caes system, (as: in compression energy accumulation process, gas storage chamber temperature raises and causes compressing wasted work increase; In venting exoergic process, gas storage indoor air temperature reduces the pressurized air ability variation of initially doing work, the acting ability that needs extra fuel or heat to offset this part loss of causing).
In addition, compressed-air energy-storage system can produce a large amount of low grade heat energies (generally below 50 ℃) and not be utilized in running, most compressed-air energy-storage systems are directly discharged in physical environment, have caused the waste of a large amount of low grade heat energies.
Summary of the invention
In view of this, the present invention proposes a kind of Caes power generation system, to address the above problem.
For achieving the above object, the technological scheme of the embodiment of the present invention is achieved in that
A Caes system, comprising: the gas storage chamber of motor, the air compressor unit being connected with described motor, storing compressed air and the temperature controller of controlling described gas storage room temperature;
In described gas storage chamber, be provided with and keep the stable atomizing spray mechanism of gas storage indoor air temperature and the temperature transducer of measuring described gas storage indoor air temperature;
Described air compressor unit is used for air intake, and after overcompression, pressurized air is reached in described gas storage chamber and stored via gas circuit;
Described temperature controller is connected with described temperature transducer, to receive the signal of described temperature transducer; And described temperature controller is arranged in the pipeline being connected with described atomizing spray mechanism, with according to the working state of atomizing spray mechanism described in described SC sigmal control.
Preferably, described temperature controller comprises interconnected solenoid valve and control piece;
Described solenoid valve is arranged in the pipeline with described atomizing spray mechanism;
Described control piece receives the signal of described temperature transducer, and according to the aperture of solenoid valve described in described SC sigmal control, to control the injection flow rate with described atomizing spray mechanism.
Preferably, in the described gas circuit between described air compressor unit and described gas storage chamber, be also provided with for by first cooler of pressure-air cooling of transmission.
Preferably, described air compressor unit comprises a plurality of air compressors of connecting by gas circuit;
The plurality of described air compressor is all coaxially connected with described motor, and improves gradually along the conducting direction pressure of gas circuit; Between every two adjacent described air compressors, be also provided with for by the second cooler of the pressure-air cooling of transmission.
Preferably, the Caes system of the embodiment of the present invention also comprises: wet pit and the booster pump being connected with described wet pit;
Described the first cooler and described the second cooler are connected in series by pipeline, and are jointly connected with described booster pump with the pipeline of described temperature controller series connection with described atomizing spray mechanism.
Preferably, the Caes system of the embodiment of the present invention also comprises: the first retaining heat storage can and First Heat Exchanger;
The bottom of described gas storage chamber is also provided with hot water gathering-device, uses so that the hot water in described gas storage chamber drains into described the first retaining heat storage can preservation via described hot water gathering-device; And be back to described wet pit via the First Heat Exchanger of being located on pipeline.
Preferably, between described the first retaining heat storage can and described First Heat Exchanger, be provided with the first recycle pump that increases hydraulic pressure.
Preferably, the Caes system of the embodiment of the present invention also comprises: the second retaining heat storage can and the second heat exchanger;
The hot water of discharging via described the first cooler and described the second cooler drains into described the second retaining heat storage can and preserves, and is back to described wet pit via described the second heat exchanger of being located on pipeline.
Preferably, between described the second retaining heat storage can and described the second heat exchanger, be provided with the second recycle pump that increases hydraulic pressure.
Preferably, the Caes system of the embodiment of the present invention also comprises: heat pump;
Described heat pump is located on the pipeline between described First Heat Exchanger and described wet pit and between described the second heat exchanger and described wet pit.
Preferably, the Caes system of the embodiment of the present invention also comprises: turbine and connected generator;
Described gas storage chamber is connected by gas circuit with described turbine, with so that pressurized air enters the acting of described turbine, to drive described generator generating.
Preferably, described gas storage chamber is connected with described the second heat exchanger with described First Heat Exchanger successively with the gas circuit between described turbine.
Preferably, described turbine is one.
Preferably, described turbine is a plurality of, and a plurality of described turbines are connected by gas circuit, and is all connected with described generator coaxle.
Caes system of the present invention, by being set in gas storage chamber, atomizing spray mechanism keep gas storage indoor air temperature stable, and set temperature sensor carrys out the temperature in sensing gas storage chamber, and temperature signal is reached to temperature controller, so that temperature transducer regulates the working state of atomizing spray mechanism according to the variation of gas storage room temperature, guarantee that gas storage indoor air temperature is all the time a metastable temperature range, prevent the frequent alternating hot and cold of gas storage chamber inwall, guarantee the safety and stability of gas storage chamber.
More specifically, temperature controller comprises the signal of solenoid valve and reception temperature transducer and controls the control piece of electromagnetic valve work, by control piece, control the aperture of solenoid valve, thereby control to the water flow in the pipeline of atomizing spray mechanism, to reach the object of the injection flow rate of controlling atomizing spray mechanism, thereby realize the control to gas storage room temperature.
In addition, the present invention, by the first cooler and the second cooler are set in gas circuit, carries out cooling to produce the air of heat in compression process; Atomizing spray mechanism is set in gas storage chamber, the air that process in injecting gas storage chamber is produced to heat carries out cooling, thereby reduce the power consumption in Caes process, improve venting exoergic process gas storage chamber outlet air temperature, improve the efficiency of gas storage accumulation of energy.
In addition, the setting of booster pump, to guarantee the pressure in pipeline, guarantees that the water flowing out from wet pit drains in cooler and atomizing spray mechanism, realizes cooling.
The setting of turbine and generator, can make this Caes system for generating, that is, the compressed air delivery in gas storage chamber, to turbine, is utilized to this compressed air-driven turbine acting, and then drive generator generating.
The setting of First Heat Exchanger and the second heat exchanger, so that via First Heat Exchanger and the second heat exchanger, carry out heat exchange from the pressurized air of discharging in gas storage chamber, thus improve compressed-air actuated temperature, increase compressed-air actuated enthalpy, improve the heat-economy of system.
The first recycle pump and the second recycle pump the pressure that guarantees respectively pipeline is set so that the water that the first retaining heat storage can and the second retaining heat storage can are discharged is back in wet pit.
The setting of heat pump, in generating, realize the low-temperature receiver waste heat for supplying that utilizes Caes system, the low grade heat energy that can effectively utilize the low-temperature water heating through First Heat Exchanger and the second heat exchanger to have, utilizes heat pump to obtain more high-grade heat energy for heat supply.
Caes system of the present invention, combines temperature controller, temperature transducer, atomizing spray mechanism, the first retaining heat storage can, the second retaining heat storage can, heat pump effectively.When low power consumption, utilize electric energy to drive air compressor work, the heat of compression of air compressor is stored in to the second retaining heat storage can, the heat of compression of gas storage chamber is stored in to the first retaining heat storage can, reduce gas storage indoor air temperature, also reduced the power consumption of gas storage accumulation of energy process; When peak of power consumption, first make pressurized air pass through successively First Heat Exchanger, the second heat exchanger, further improve after compressed-air actuated running parameter, then enter the generating of turbine driving generator; Utilize the low-temperature water heating through First Heat Exchanger, the second heat exchanger to spray in gas storage chamber, guarantee that gas storage indoor air temperature does not reduce, both guarantee gas storage chamber outlet air parameter stability, and also made gas storage chamber inner wall temperature change little, guaranteed the safety and stability of gas storage chamber; Utilize low-temperature water heating after heat exchange as the low-grade heat source of heat pump, in generating, realize heat supply.This system has realized the energy-optimised utilization of air compressing and expansion link, has improved the heat-economy in the power generation process of Caes system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Caes system of one embodiment of the invention.
Accompanying drawing explanation: 1-motor, 2-low pressure air compressor, the 3-the second cooler, 4-High-Pressure Compressor, the 5-the first cooler, 6-turbine, 7-generator, 8-gas storage chamber, 9-atomizing spray mechanism, 10-hot water gathering-device, 11-First Heat Exchanger, the 12-the first recycle pump, the 13-the first retaining heat storage can, 14-wet pit, 15-booster pump, the 16-the second heat exchanger, the 17-the second recycle pump, the 18-the second retaining heat storage can, 19-heat pump, 20-temperature transducer, 21-control piece, 22-solenoid valve.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below, by specific embodiment and referring to accompanying drawing, the present invention is described in detail.
The embodiment of the present invention provides a kind of Caes system, as shown in Figure 1, comprising: the gas storage chamber 8 of motor 1, the air compressor unit being connected with described motor 1, storing compressed air and the temperature controller of controlling described gas storage chamber 8 interior temperature;
In described gas storage chamber 8, be provided with the temperature transducer 20 that the pressurized air of storage is kept to the metastable atomizing spray of temperature mechanism 9 and measures described gas storage chamber 8 interior temperature.Atomizing spray mechanism 9 can be arranged on the sidewall of gas storage chamber 8, also can be arranged at the top in gas storage chamber 8, in the present embodiment, be preferably the top that atomizing spray mechanism 9 is arranged at gas storage chamber 8, thereby can from top to down be discharged by water, farthest absorb the heat in gas storage chamber 8.
Described air compressor unit is used for air intake, and after overcompression, pressurized air is reached to the interior storage of described gas storage chamber 8 via gas circuit.Wherein, described air compressor unit comprises a plurality of air compressors of connecting by gas circuit; The plurality of described air compressor is all coaxially connected with described motor 1, and improves gradually along the conducting direction pressure of gas circuit.
Described temperature controller is connected with described temperature transducer 20, to receive the signal of described temperature transducer 20; And described temperature controller is arranged in the pipeline being connected with described atomizing spray mechanism 9, with according to the working state of atomizing spray mechanism 9 described in described SC sigmal control.
Wherein, temperature controller comprises interconnected solenoid valve 22 and control piece 21; Described solenoid valve 22 is arranged in the pipeline with described atomizing spray mechanism 9; Described control piece 21 receives the signal of described temperature transducer 20, and according to the aperture of solenoid valve 22 described in described SC sigmal control, to control the injection flow rate with described atomizing spray mechanism 9.More specifically, temperature controller is controlled the aperture of solenoid valve 22 by control piece 21, thereby control to the water flow in the pipeline of atomizing spray mechanism 9, to reach the object of the injection flow rate of controlling atomizing spray mechanism 9,, when the interior temperature of gas storage chamber 8 raises or when reduction amplitude is larger, the injection flow rate of atomizing spray mechanism increases; Hour, the injection flow rate of controlling atomizing spray mechanism 9 reduces temperature variation, thereby realizes the control to gas storage chamber 8 interior temperature.
During actual use, Caes power generation system is being used electric drive air compressor pressurized air and is depositing in the process of gas storage chamber, gas storage chamber pressure will improve along with compressed-air actuated injection, and along with the rising of gas storage chamber pressure, the air temperature in gas storage chamber also can increase.In storage air quality one regularly, gas storage chamber temperature raises, and will cause compressed-air actuated wasted work to increase, and temperature rises highlyer, and compressed-air actuated wasted work is larger.Otherwise, in the deflation course of gas storage chamber, gas storage chamber pressure will reduce along with compressed-air actuated release, reduction along with gas storage chamber pressure, the temperature of gas storage indoor air also can decrease, this drives the compressed air temperature of turbine work to reduce by directly causing being released to from gas storage chamber, thereby has reduced compressed-air actuated acting ability.Caes system of the present invention, by keeping gas storage indoor air temperature relatively stable in the interior atomizing spray mechanism 9 that arranges of gas storage chamber 8, and set temperature sensor 20 carrys out the temperature in sensing gas storage chamber 8, and temperature signal is reached to temperature controller, so that temperature transducer 20 regulates the working state of atomizing spray mechanism 9 according to the variation of gas storage chamber 8 interior temperature, air temperature in assurance gas storage chamber 8 is all the time a metastable temperature range, prevent the frequent alternating hot and cold of gas storage chamber 8 inwall, guarantee the safety and stability of gas storage chamber 8.
Wherein, gas storage chamber 8 can be multiple material, adopts waste and old ore deposit copper or steel gas holder to make in the present embodiment.
In order to reduce the power consumption of compression energy accumulation process and to guarantee gas compressor safety and economic operation, between every adjacent two described air compressors and be equipped with cooler between described air compressor and described gas storage chamber 8.
In the present embodiment, air compressor unit comprises two-stage air compressor, is respectively low pressure air compressor 2 and High-Pressure Compressor 4.It is pointed out that air compressing process is not limited to two-stage, can select flexibly according to pressure ratio and blower outlet air temperature, for example, can adopt three grades or level Four air compressor.Between low pressure air compressor 2 and High-Pressure Compressor 4, be provided with the second cooler 3, and between High-Pressure Compressor 4 and described gas storage chamber 8, be provided with the first cooler 5, with by transmission pressure-air cooling.Usually, those skilled in the art are called aftercooler by the first cooler 5 conventionally, and the second cooler 3 is called interstage cooler.
Therefore the present invention, by the first cooler 5 and the second cooler 3 are set in gas circuit, carries out cooling to produce the air of heat in compression process; And in the interior atomizing spray mechanism 9 that arranges of gas storage chamber 8, the air that the process in injecting gas storage chamber 8 is produced to heat carries out cooling, thereby reduces the power consumption in Caes process, improves the efficiency of gas storage accumulation of energy.
In addition, the present invention has reduced the air temperature in gas storage chamber 8 in gas storage process by the mode of water spraying atomization, improved the initial temperature of venting power generation process working medium, can effectively reduce the initial conditions of pressurized air process wasted work and raising venting power generation process working medium, and cold and heat recovery between the heat of compression in gas storage chamber 8 and gas compressor is used in to venting and releases energy power generation process, effectively raise the heat-economy of system.
Further, this Caes system also comprises wet pit 14, thinks that cooler and atomizing spray mechanism 9 provide cooling water; And the booster pump 15 being connected with described wet pit 14, to guarantee the pressure in pipeline, guarantee that the water flowing out from wet pit 14 drains in cooler and atomizing spray mechanism 9, realizes cooling.The second cooler 3 and the series connection of the first cooler 5, and be jointly connected with described booster pump 15 with the pipeline of temperature controller series connection with described atomizing spray mechanism 9.In the present embodiment, be located in the pipeline between atomizing spray mechanism 9 and wet pit 14 for solenoid valve 22.
For the water that completes cooling procedure is preserved, in the Caes system in the present embodiment, be also provided with the first retaining heat storage can 13 and the second retaining heat storage can 18.Wherein, the first retaining heat storage can 13 is preserved the hot water of discharging via gas storage chamber 8, and the second retaining heat storage can 18 is preserved the hot water of discharging via the second cooler 3 and the first cooler 5.Because the difference of cooling line, the temperature of the hot water of discharging from two pipelines is also different: the hot water temperature who discharges from gas storage chamber 8 is 70 ℃ of left and right, and the hot water temperature who discharges from the second cooler 3 is 180 ℃ of left and right.So the first retaining heat storage can 13 in the present embodiment is Cryo Heat Insulation water tank, the second retaining heat storage can 18 is high-temperature heat insulation water tank.
The bottom of described gas storage chamber 8 is also provided with hot water gathering-device 10, when compression energy accumulation, makes the hot water in described gas storage chamber 8 drain into described the first retaining heat storage can 13 preservations via described hot water gathering-device 10; And release can generate electricity time in venting, via the First Heat Exchanger 11 of being located on pipeline, be back to described wet pit 14; When compression energy accumulation, the hot water of discharging via the second cooler 3 drains into described the second retaining heat storage can 18 and preserves, and releases can generate electricity time in venting, via the second heat exchanger 16 of being located on pipeline, is back to described wet pit 14.Wherein, the setting of First Heat Exchanger 11 and the second heat exchanger 16, so that the hot water in pipeline completes exchange heat, returns to after normal temperature, flows back into wet pit 14, thereby completes the circulation in whole water route.In the present embodiment, First Heat Exchanger 11 is low temperature venting heat exchanger, and the second heat exchanger 16 is high-temperature outgassing heat exchanger.
Preferably, between described the first retaining heat storage can 13 and described First Heat Exchanger 11, be provided with the first recycle pump 12 that increases hydraulic pressure, between described the second retaining heat storage can 18 and described the second heat exchanger 16, be provided with the second recycle pump 17 that increases hydraulic pressure, to guarantee respectively the pressure in two water routes, so that the water that the first retaining heat storage can 13 and the second retaining heat storage can 18 are discharged is successfully back in wet pit 14.
In addition, the water that the first retaining heat storage can 13 and the second retaining heat storage can 18 are discharged is through First Heat Exchanger 11, after the second heat exchanger 16, temperature is down to 45 ℃ of left and right, for effectively utilizing this part low-grade heat energy, native system is also provided with heat pump 19, this heat pump 19 is located on the pipeline between described First Heat Exchanger 11 and described wet pit 14 and between described the second heat exchanger 16 and described wet pit 14, , at First Heat Exchanger 11, discharge pipe line between the second heat exchanger 16 and wet pit 14 is provided with heat pump 19, heat pump 19 absorbs after this part low grade heat energy, the higher hot water of temperature (approximately 90 ℃) is supplied with to hot user.
It needs to be noted: the first retaining heat storage can 13 and the second retaining heat storage can 18 can be in parallel or the heat pump system of series connection access various forms and quantity, heat pump 19 just one of them representative that Fig. 1 draws out.
For the Caes system of the embodiment of the present invention is used for to generating, native system also comprises: turbine 6 and connected generator 7; Described gas storage chamber 8 is connected by gas circuit with described turbine 6, pressurized air is entered to described turbine 6 actings, to drive described generator 7 generatings.Described turbine 6 can be one, also can be for a plurality of.When turbine 6 is a plurality of, a plurality of described turbines 6 are connected by gas circuit, and are all coaxially connected with described generator 7.It is pointed out that turbine 6 expansion acting processes are not limited to one-level, the load that can export fluid properties and every grade of turbine according to turbine is selected flexibly, for example, can adopt secondary or three grades of turbines, and turbine adopts reheat in stage.Turbine 6 in the present embodiment is one.Compressed air delivery in gas storage chamber 8, to turbine 6, is utilized to this compressed air-driven turbine 6 actings, and then drive generator 7 generatings.
In the present embodiment, gas storage chamber 8 is connected with described the second heat exchanger 16 with described First Heat Exchanger 11 successively with the gas circuit between described turbine 6, thereby can make via First Heat Exchanger 11 and the second heat exchanger 16, to carry out heat exchange from the pressurized air of gas storage chamber 8 interior discharges, thereby improve compressed-air actuated temperature, increase compressed-air actuated enthalpy, improve the heat-economy of system.
Therefore Caes system of the present invention, combines temperature transducer 20, solenoid valve 22, control piece 21, atomizing spray mechanism 9, the first retaining heat storage can 13, the second retaining heat storage can 18, heat pump 19 effectively.When low power consumption, utilize electric energy to drive air compressor work, the heat of compression of air compressor is stored in to the second retaining heat storage can 18, the heat of compression of gas storage chamber 8 is stored in to the first retaining heat storage can 13, reduce the interior air temperature of gas storage chamber 8, also reduced the power consumption of gas storage accumulation of energy process; When peak of power consumption, first make pressurized air pass through successively First Heat Exchanger 11, the second heat exchanger 16, further improve after compressed-air actuated running parameter, then enter turbine 6 driving generator 7 generatings.Utilize the low-temperature water heating through First Heat Exchanger 11, the second heat exchanger 16 to spray in gas storage chamber 8, guarantee that the air temperature in gas storage chamber 8 does not reduce, both guarantee gas storage chamber 8 outlet air parameter stabilities, and also made gas storage chamber 8 inner wall temperatures change little, guaranteed the safety and stability of gas storage chamber 8; Utilize low-temperature water heating after heat exchange as the low-grade heat source of heat pump 19, in generating, realize heat supply.This system has realized the energy-optimised utilization of air compressing and expansion link, has improved the heat-economy in the power generation process of Caes system.
Particularly, when power load is at a low ebb and electricity price is relatively cheap, use electric energy to drive air compressor (low pressure air compressor 2 and High-Pressure Compressor 4) to gas storage chamber 8 inflations, drive booster pump 15 to draw water from wet pit 14 simultaneously, release Shui mono-tunnel after the first cooler 5, the second cooler 3 heat absorptions, enter the second retaining heat storage can 18; An other road enters gas storage chamber 8, through atomizing spray mechanism 9, spray in gas storage chamber 8, and utilize temperature transducer 20 to measure gas storage indoor air temperature, according to temperature variations in gas storage chamber, aperture through control piece 21 electromagnetic valve for adjustings 22, control sprays into the atomization water yield in gas storage chamber 8, and in order to absorb the heat of compression producing in gas storage chamber 8, atomized water is collected by the hot water gathering-device 10 of gas storage chamber 8 bottoms under the effect of gas storage chamber 8 high pressure and gravity.Hot water is under the effect of high pressure, and the drain opening by hot water gathering-device 10 bottoms enters the first retaining heat storage can 13.
When peak of power consumption period, high-pressure air is drawn from gas storage chamber 8, now, drive the first recycle pump 12 and the second recycle pump 17, hot water is emitted from the first retaining heat storage can 13 and the second retaining heat storage can 18 respectively, pressurized air through First Heat Exchanger 11, the second heat exchanger 16 heat absorptions, then enters turbine 6 actings respectively, drives generator 7 generatings.Meanwhile, along with the air pressure in gas storage chamber 8 declines, the interior air temperature of gas storage chamber 8 also declines thereupon, the low-temperature water heating that the first retaining heat storage can 13, the second retaining heat storage can 18 is drained into wet pit 14 sprays into gas storage chamber 8 by atomizing spray mechanism 9 again, utilize temperature transducer 20 to measure gas storage indoor air temperature, according to temperature variations in gas storage chamber, through the aperture of control piece 21 electromagnetic valve for adjustings 22, control and spray into the atomization water yield in gas storage chamber 8.The low-temperature water heating that can utilize in addition heat pump 19 that First Heat Exchanger 11, the second heat exchanger 16 are discharged is supplied with hot user after heat pump 19 obtains the hot water (approximately 90 ℃) that temperature is higher.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (14)
1. a Caes system, is characterized in that, comprising: the gas storage chamber of motor, the air compressor unit being connected with described motor, storing compressed air and the temperature controller of controlling described gas storage room temperature;
In described gas storage chamber, be provided with and keep the stable atomizing spray mechanism of gas storage indoor air temperature and the temperature transducer of measuring described gas storage indoor air temperature;
Described air compressor unit is used for air intake, and after overcompression, pressurized air is reached in described gas storage chamber and stored via gas circuit;
Described temperature controller is connected with described temperature transducer, to receive the signal of described temperature transducer; And described temperature controller is arranged in the pipeline being connected with described atomizing spray mechanism, with according to the working state of atomizing spray mechanism described in described SC sigmal control.
2. Caes system according to claim 1, is characterized in that, described temperature controller comprises interconnected solenoid valve and control piece;
Described solenoid valve is arranged in the pipeline with described atomizing spray mechanism;
Described control piece receives the signal of described temperature transducer, and according to the aperture of solenoid valve described in described SC sigmal control, to control the injection flow rate with described atomizing spray mechanism.
3. Caes system according to claim 1, is characterized in that, is also provided with for by first cooler of pressure-air cooling of transmission in the described gas circuit between described air compressor unit and described gas storage chamber.
4. Caes system according to claim 3, is characterized in that, described air compressor unit comprises a plurality of air compressors of connecting by gas circuit;
The plurality of described air compressor is all coaxially connected with described motor, and improves gradually along the conducting direction pressure of gas circuit;
Between every two adjacent described air compressors, be also provided with for by the second cooler of the pressure-air cooling of transmission.
5. Caes system according to claim 4, is characterized in that, also comprises: wet pit and the booster pump being connected with described wet pit;
Described the first cooler and described the second cooler are connected in series by pipeline, and are jointly connected with described booster pump with the pipeline of described temperature controller series connection with described atomizing spray mechanism.
6. Caes system according to claim 5, is characterized in that, also comprises: the first retaining heat storage can and First Heat Exchanger;
The bottom of described gas storage chamber is also provided with hot water gathering-device, uses so that the hot water in described gas storage chamber drains into described the first retaining heat storage can preservation via described hot water gathering-device; And be back to described wet pit via the described First Heat Exchanger of being located on pipeline.
7. Caes system according to claim 6, is characterized in that, is provided with the first recycle pump that increases hydraulic pressure between described the first retaining heat storage can and described First Heat Exchanger.
8. Caes system according to claim 6, is characterized in that, also comprises: the second retaining heat storage can and the second heat exchanger;
The hot water of discharging via described the first cooler and described the second cooler drains into described the second retaining heat storage can and preserves, and is back to described wet pit via described the second heat exchanger of being located on pipeline.
9. Caes system according to claim 8, is characterized in that, is provided with the second recycle pump that increases hydraulic pressure between described the second retaining heat storage can and described the second heat exchanger.
10. Caes system according to claim 8, is characterized in that, also comprises: heat pump;
Described heat pump is located on the pipeline between described First Heat Exchanger and described wet pit and between described the second heat exchanger and described wet pit.
11. Caes systems according to claim 8, is characterized in that, also comprise: turbine and connected generator;
Described gas storage chamber is connected by gas circuit with described turbine, with so that pressurized air enters the acting of described turbine, to drive described generator generating.
12. Caes systems according to claim 11, is characterized in that, described gas storage chamber is connected with described the second heat exchanger with described First Heat Exchanger successively with the gas circuit between described turbine.
13. Caes systems according to claim 11, is characterized in that, described turbine is one.
14. Caes systems according to claim 11, is characterized in that, described turbine is a plurality of, and a plurality of described turbines are connected by gas circuit, and are all connected with described generator coaxle.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454304A (en) * | 2014-10-31 | 2015-03-25 | 清华大学 | Pumped storage power generation system and method based on steam and air pressurization |
| CN105673080A (en) * | 2016-01-25 | 2016-06-15 | 中山昊天节能科技有限公司 | Multifunctional air energy engine |
| CN106091577A (en) * | 2016-06-14 | 2016-11-09 | 全球能源互联网研究院 | The cryogenic liquefying air method of a kind of cold and heat combined supply type and system |
| CN106438297A (en) * | 2016-11-09 | 2017-02-22 | 中国科学院工程热物理研究所 | Temperature-adaptive heat storage type compressed air energy storage system |
| CN107355371A (en) * | 2017-08-17 | 2017-11-17 | 山东大学 | A kind of Efficient Compression air energy storage systems and method |
| CN108224822A (en) * | 2018-01-05 | 2018-06-29 | 陈正茂 | Air Force heat production, steam, hot water, air conditioner |
| CN109244601A (en) * | 2018-08-02 | 2019-01-18 | 邢台职业技术学院 | The energy storage heat management system and method for electric automobile power battery based on compressed air |
| CN114893382A (en) * | 2022-04-11 | 2022-08-12 | 东南大学 | Compressed air energy storage system based on compression and expansion dual-purpose unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102424A1 (en) * | 2002-06-04 | 2003-12-11 | Alstom Technology Ltd | Method for operating a compressor |
| DE102004034657A1 (en) * | 2003-07-16 | 2005-02-03 | Alstom Technology Ltd | Power plant has gas turbo group in combination with compressed gas storage to achieve temporary power increase |
| CN102661175A (en) * | 2012-05-17 | 2012-09-12 | 西安交通大学 | Compressed air energy storage system |
| KR20130117448A (en) * | 2012-04-17 | 2013-10-28 | 삼성테크윈 주식회사 | Caes power generating system |
| CN203257541U (en) * | 2013-05-08 | 2013-10-30 | 中国能源建设集团广东省电力设计研究院 | Combined heat and power compressed air energy storage system |
-
2014
- 2014-01-15 CN CN201410018246.1A patent/CN103727011B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102424A1 (en) * | 2002-06-04 | 2003-12-11 | Alstom Technology Ltd | Method for operating a compressor |
| DE102004034657A1 (en) * | 2003-07-16 | 2005-02-03 | Alstom Technology Ltd | Power plant has gas turbo group in combination with compressed gas storage to achieve temporary power increase |
| KR20130117448A (en) * | 2012-04-17 | 2013-10-28 | 삼성테크윈 주식회사 | Caes power generating system |
| CN102661175A (en) * | 2012-05-17 | 2012-09-12 | 西安交通大学 | Compressed air energy storage system |
| CN203257541U (en) * | 2013-05-08 | 2013-10-30 | 中国能源建设集团广东省电力设计研究院 | Combined heat and power compressed air energy storage system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454304A (en) * | 2014-10-31 | 2015-03-25 | 清华大学 | Pumped storage power generation system and method based on steam and air pressurization |
| CN105673080A (en) * | 2016-01-25 | 2016-06-15 | 中山昊天节能科技有限公司 | Multifunctional air energy engine |
| CN106091577A (en) * | 2016-06-14 | 2016-11-09 | 全球能源互联网研究院 | The cryogenic liquefying air method of a kind of cold and heat combined supply type and system |
| CN106438297A (en) * | 2016-11-09 | 2017-02-22 | 中国科学院工程热物理研究所 | Temperature-adaptive heat storage type compressed air energy storage system |
| CN107355371A (en) * | 2017-08-17 | 2017-11-17 | 山东大学 | A kind of Efficient Compression air energy storage systems and method |
| CN108224822A (en) * | 2018-01-05 | 2018-06-29 | 陈正茂 | Air Force heat production, steam, hot water, air conditioner |
| CN109244601A (en) * | 2018-08-02 | 2019-01-18 | 邢台职业技术学院 | The energy storage heat management system and method for electric automobile power battery based on compressed air |
| CN109244601B (en) * | 2018-08-02 | 2021-10-29 | 邢台职业技术学院 | Energy storage type thermal management system and method of power battery based on compressed air |
| CN114893382A (en) * | 2022-04-11 | 2022-08-12 | 东南大学 | Compressed air energy storage system based on compression and expansion dual-purpose unit |
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