CN113154924A - System for utilize hot-air heating granule to carry out energy storage - Google Patents
System for utilize hot-air heating granule to carry out energy storage Download PDFInfo
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- CN113154924A CN113154924A CN202110575507.XA CN202110575507A CN113154924A CN 113154924 A CN113154924 A CN 113154924A CN 202110575507 A CN202110575507 A CN 202110575507A CN 113154924 A CN113154924 A CN 113154924A
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- heating
- particle bin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
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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
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Drying Of Solid Materials (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a system for storing energy by heating particles by using hot air, which comprises a heating chamber, a blower, a heat-preservation air delivery pipeline, a Stirling generator, a rectifier and a storage battery, wherein a heating wire is arranged in the heating chamber, an air outlet of the blower is communicated with one side of the heating chamber through the heat-preservation air delivery pipeline, the other side of the heating chamber is communicated with the Stirling generator through the heat-preservation air delivery pipeline, the heat-preservation air delivery pipeline sequentially penetrates through a high-temperature particle bin and a medium-temperature particle bin, and the rectifier is configured to rectify the current of the Stirling generator and output the stable current to the storage battery. This utilize hot air heating granule to carry out system of energy storage sets up through the cooperation in high temperature granule storehouse, medium temperature granule storehouse, and the in-process that uses can effectual reduction thermal invalid loss absorbs the utilization to energy storage in-process loss heat energy, has improved the conversion rate of energy greatly.
Description
Technical Field
The invention relates to the technical field of energy storage systems, in particular to a system for storing energy by heating particles with hot air.
Background
When analyzing the energy storage process, the part of the object or the spatial extent drawn for determining the object under study is referred to as the energy storage system. It includes energy and matter input and output, energy conversion and storage devices. Energy storage systems often involve multiple energies, multiple devices, multiple substances, multiple processes, are time-varying complex energy systems that require multiple indices to describe their performance. The common evaluation indexes include energy storage density, energy storage power, energy storage efficiency, energy storage price, influence on the environment and the like, and because energy sources required by people have strong timeliness and spatial property, in order to reasonably utilize the energy sources and improve the utilization rate of the energy, a device is needed to be used, redundant energy which is temporarily not used in a period of time is collected and stored in a certain mode, and is extracted and used at the peak time or is transported to a place where the energy is in short supply, and the method is just energy storage.
The conventional energy storage system has low conversion rate in the process of energy conversion, a large amount of energy is dissipated to the outside through heat dissipation, so that a large amount of loss is caused, and the energy storage mode is single and cannot be flexibly adjusted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a system for storing energy by heating particles with hot air, which has the advantages of low loss, capability of adjusting an energy conversion mode and the like and solves the problems.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a system for storing energy by heating particles through hot air comprises a heating chamber, a blower, a heat preservation air delivery pipeline, a Stirling generator, a rectifier and a storage battery, wherein a heating wire is arranged in the heating chamber, an air outlet of the blower is communicated with one side of the heating chamber through the heat preservation air delivery pipeline, the other side of the heating chamber is communicated with the Stirling generator through the heat preservation air delivery pipeline, and the heat preservation air delivery pipeline sequentially penetrates through a high-temperature particle bin and a medium-temperature particle bin.
Preferably, the high-temperature particle bin and the medium-temperature particle bin are arranged between the heating chamber and the Stirling generator, the high-temperature particle bin is positioned at one side close to the heating chamber, and the medium-temperature particle bin is positioned at one side close to the Stirling generator.
Preferably, the heat-preservation air conveying pipeline between the heating chamber and the Stirling generator firstly passes through the high-temperature particle bin and then passes through the medium-temperature particle bin, and the parts of the heat-preservation air conveying pipeline, which are positioned in the high-temperature particle bin and the medium-temperature particle bin, are both spiral.
Preferably, heating pipelines are further inserted into the high-temperature particle bin and the medium-temperature particle bin, a water feeding pump is arranged at one end of each heating pipeline, a steam turbine is arranged at the other end of each heating pipeline, and a condenser is arranged between each steam turbine and the corresponding water feeding pump.
Preferably, one side of the steam turbine is provided with a generator, and the condenser is provided with a cooling water pipe.
Preferably, the parts of the heating pipeline, which are positioned in the high-temperature particle bin and the medium-temperature particle bin, are both spiral and do not interfere with the heat-preservation air delivery pipeline.
Preferably, the heating pipeline sequentially penetrates through the medium-temperature particle bin and the high-temperature particle bin by taking one end connected with the water feeding pump as a starting end.
Preferably, the rectifier is configured to rectify the stirling generator current and output a stabilized current to the battery.
Preferably, the high-temperature particle bin, the medium-temperature particle bin, the heating chamber and the heat-preservation air delivery pipeline are all provided with heat-preservation layers.
(III) advantageous effects
Compared with the prior art, the invention provides a system for storing energy by heating particles with hot air, which has the following beneficial effects:
1. this utilize hot air heating granule to carry out system of energy storage sets up through the cooperation in high temperature granule storehouse, medium temperature granule storehouse, and the in-process that uses can effectual reduction thermal invalid loss absorbs the utilization to energy storage in-process loss heat energy, has improved the conversion rate of energy greatly.
2. This utilize hot air heating granule to carry out system of energy storage sets up through the cooperation of stirling generator, steam turbine and generator, can realize the nimble switching of three kinds of mode energy storage at the in-process that uses, can make the regulation according to the condition of reality.
Drawings
FIG. 1 is a schematic diagram of a dual-storage synchronous operation system according to the present invention;
FIG. 2 is a schematic diagram of the single Stirling generator energy storage state system of the present invention;
FIG. 3 is a schematic diagram of a single turbine energy storage state system of the present invention.
In the figure: 1. a heating chamber; 2. a blower; 3. a heat-insulating air delivery pipeline; 4. a Stirling generator; 5. a rectifier; 6. a storage battery; 7. heating wires; 8. a high temperature particle bin; 9. a medium-temperature particle bin; 10. heating the pipeline; 11. a feed pump; 12. a steam turbine; 13. a condenser; 14. a generator; 15. and cooling the water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a system for storing energy by heating particles with hot air includes a heating chamber 1, a blower 2, a heat preservation and air transportation duct 3, a stirling generator 4, a rectifier 5 and a storage battery 6, wherein: be equipped with in the heating chamber 1 heater strip 7 the air outlet of forced draught blower 2 is linked together through heat preservation air delivery pipeline 3 and one side of heating chamber 1, the opposite side of heating chamber 1 is linked together through heat preservation air delivery pipeline 3 and stirling generator 4, rectifier 5 is configured to carry out the rectification to stirling generator 4 electric current to export battery 6 with stable electric current, heat preservation air delivery pipeline 3 passes high temperature granule storehouse 8 and well temperature granule storehouse 9 in proper order, high temperature granule storehouse 8, well temperature granule storehouse 9, heating chamber 1 and heat preservation air delivery pipeline 3 all are equipped with the heat preservation, high temperature granule storehouse 8 and well temperature granule storehouse 9 set up between heating chamber 1 and stirling generator 4, high temperature granule storehouse 8 is located the one side that is close to heating chamber 1, well temperature granule storehouse 9 is located the one side that is close to stirling generator 4, heat preservation air delivery pipeline 3 between heating chamber 1 and the stirling generator 4 passes high temperature granule storehouse 8 earlier and then passes high temperature granule storehouse 8 The medium-temperature particle bin 9 is crossed, the part of the heat-preservation air conveying pipeline 3, which is positioned in the high-temperature particle bin 8 and the medium-temperature particle bin 9, is spiral, the system for heating the particles by utilizing hot air to store energy is arranged, the high-temperature particle bin 8 and the medium-temperature particle bin 9 are matched, the ineffective dissipation of heat can be effectively reduced in the using process, the dissipated heat energy in the energy storage process is absorbed and utilized, the energy conversion rate is greatly improved, a heating pipeline 10 is further inserted in the high-temperature particle bin 8 and the medium-temperature particle bin 9, one end of the heating pipeline 10 is provided with a water feeding pump 11, the other end of the heating pipeline 10 is provided with a steam turbine 12, a condenser 13 is arranged between the steam turbine 12 and the water feeding pump 11, one side of the steam turbine 12 is provided with a generator 14, the condenser 13 is provided with a cooling water pipe 15, one end of the heating pipeline 10, which is connected with the water feeding pump 11, sequentially penetrates through the medium-temperature particle bin 9 and the high-temperature particle bin 8, the heating pipeline 10 is located the part in high temperature granule storehouse 8 and middle temperature granule storehouse 9 and is the heliciform, and with heat preservation defeated wind pipeline 3 mutually noninterfere, sets up through the cooperation of stirling 4, steam turbine 12 and generator 14, can realize the nimble switching of three kinds of mode energy storage at the in-process that uses, can make the regulation according to the condition of reality.
The first embodiment is as follows:
the Stirling generator 4 and the steam turbine 12 both store energy, at the moment, the blower 2 conveys heat energy into the high-temperature particle bin 8 and the medium-temperature particle bin 9 through the heat-preservation air conveying pipeline 3, the particles in the high-temperature particle bin 8 and the medium-temperature particle bin 9 absorb the dissipated heat energy to increase the temperature, hot air in the heat-preservation air conveying pipeline 3 passes through the high-temperature particle bin 8 and the medium-temperature particle bin 9 and then is supplied to the Stirling generator 4 to drive the Stirling generator 4, the Stirling generator 4 converts kinetic energy into electric energy, the electric energy is adjusted by the rectifier 5 and then is conveyed to the storage battery 6 to store energy, the hot air is conveyed to the blower 2 again through the heat-preservation air conveying pipeline 3 after the temperature of the Stirling generator 4 is reduced, the blower 2 circulates the hot air, and the heat of the hot air reheated in the heat-preservation air conveying pipeline 3 can be preserved by the heat of the high-temperature particle bin 8 and the medium-temperature particle bin 9; the same water supply pump 11 enables water to flow in the heating pipeline 10, the water is heated and converted into a water vapor state after flowing through the medium-temperature particle bin 9 and the high-temperature particle bin 8, then the water vapor is conveyed to the steam turbine 12, the steam turbine 12 converts energy contained in the water vapor into kinetic energy and conveys the kinetic energy to the power generator 14 for storing energy, the high-temperature water vapor is converted into liquid or low-temperature water vapor after being processed in the steam turbine 12 and enters the condenser 13 for cooling and condensation, and then the water supply pump 11 is returned again for next circulation.
Example two:
energy is stored only through the Stirling generator 4, the water feeding pump 11 does not work at the moment, the heating pipeline 10 does not have water circulation, at the moment, the blower 2 conveys heat energy into the high-temperature particle bin 8 and the medium-temperature particle bin 9 through the heat preservation air conveying pipeline 3, the absorption temperature of the dissipated heat energy by the particles in the high-temperature particle bin 8 and the medium-temperature particle bin 9 is increased, hot air in the heat preservation air conveying pipeline 3 passes through the high-temperature particle bin 8 and the medium-temperature particle bin 9 and then is supplied to the Stirling generator 4 to drive the Stirling generator 4, the Stirling generator 4 converts the kinetic energy into electric energy, the electric energy is conveyed to the storage battery 6 for storing energy after being adjusted by the rectifier 5, the hot air is reduced in temperature through the Stirling generator 4 and then is conveyed to the blower 2 again through the heat preservation air conveying pipeline 3, the blower 2 circulates the hot air, and the heat of the high-temperature particle bin 8 and the medium-temperature particle bin 9 can preserve the heat of the hot air reheated in the heat preservation air conveying pipeline 3, reducing heat dissipation.
Example three:
energy is stored only through the steam turbine 12, at the moment, the air feeder 2 conveys heat energy into the high-temperature particle bin 8 and the medium-temperature particle bin 9 through the heat-preservation air conveying pipeline 3, the absorption temperature of particles in the high-temperature particle bin 8 and the medium-temperature particle bin 9 on the dissipated heat energy is increased, hot air of the heat-preservation air conveying pipeline 3 directly enters the air feeder 2 again through the heat-preservation air conveying pipeline 3 after passing through the high-temperature particle bin 8 and the medium-temperature particle bin 9 to realize a circulation process, and the heat of the high-temperature particle bin 8 and the medium-temperature particle bin 9 can preserve heat of the hot air reheated in the heat-preservation air conveying pipeline 3; the same water supply pump 11 enables water to flow in the heating pipeline 10, the water is heated and converted into a water vapor state after flowing through the medium-temperature particle bin 9 and the high-temperature particle bin 8, then the water vapor is conveyed to the steam turbine 12, the steam turbine 12 converts energy contained in the water vapor into kinetic energy and conveys the kinetic energy to the power generator 14 for storing energy, the high-temperature water vapor is converted into liquid or low-temperature water vapor after being processed in the steam turbine 12 and enters the condenser 13 for cooling and condensation, and then the water supply pump 11 is returned again for next circulation.
To sum up, this utilize hot air heating granule to carry out system of energy storage sets up through the cooperation in high temperature granule storehouse 8, medium temperature granule storehouse 9, and the in-process that uses can effectual reduction thermal invalid loss, absorbs the utilization to energy storage in-process loss heat energy, has improved the conversion rate of energy greatly, sets up through the cooperation of stirling generator 4, steam turbine 12 and generator 14, can realize the nimble switching of three kinds of mode energy storages at the in-process that uses, can make the regulation according to the condition of reality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an utilize hot-air heating granule to carry out system of energy storage, includes heating chamber (1), forced draught blower (2), heat preservation defeated wind pipeline (3), stirling generator (4), rectifier (5) and battery (6), its characterized in that: the device is characterized in that a heating wire (7) is arranged in the heating chamber (1), an air outlet of the air feeder (2) is communicated with one side of the heating chamber (1) through a heat-preservation air conveying pipeline (3), the other side of the heating chamber (1) is communicated with the Stirling generator (4) through the heat-preservation air conveying pipeline (3), and the heat-preservation air conveying pipeline (3) sequentially penetrates through a high-temperature particle bin (8) and a medium-temperature particle bin (9).
2. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the high-temperature particle bin (8) and the medium-temperature particle bin (9) are arranged between the heating chamber (1) and the Stirling generator (4), the high-temperature particle bin (8) is located on one side close to the heating chamber (1), and the medium-temperature particle bin (9) is located on one side close to the Stirling generator (4).
3. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the heat-preservation air conveying pipeline (3) between the heating chamber (1) and the Stirling generator (4) firstly penetrates through the high-temperature particle bin (8) and then penetrates through the medium-temperature particle bin (9), and the parts, located in the high-temperature particle bin (8) and the medium-temperature particle bin (9), of the heat-preservation air conveying pipeline (3) are all in a spiral shape.
4. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: heating pipelines (10) are further inserted into the high-temperature particle bin (8) and the medium-temperature particle bin (9), a water feeding pump (11) is arranged at one end of each heating pipeline (10), a steam turbine (12) is arranged at the other end of each heating pipeline (10), and a condenser (13) is arranged between each steam turbine (12) and the corresponding water feeding pump (11).
5. A system for storing energy by heating particles with hot air according to claim 4, wherein: and a generator (14) is arranged on one side of the steam turbine (12), and a cooling water pipe (15) is arranged on the condenser (13).
6. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the heating pipeline (10) is positioned in the high-temperature particle bin (8) and the middle-temperature particle bin (9) and is in a spiral shape, and the heating pipeline and the heat-preservation air conveying pipeline (3) are not interfered with each other.
7. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the heating pipeline (10) sequentially penetrates through the medium-temperature particle bin (9) and the high-temperature particle bin (8) by taking one end connected with the water feeding pump (11) as a starting end.
8. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the rectifier (5) is configured to rectify the Stirling generator (4) current and output a stabilized current to the battery (6).
9. A system for storing energy by heating particles with hot air as claimed in claim 1, wherein: the high-temperature particle bin (8), the medium-temperature particle bin (9), the heating chamber (1) and the heat-preservation air delivery pipeline (3) are all provided with heat-preservation layers.
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| CN202110575507.XA CN113154924B (en) | 2021-05-26 | 2021-05-26 | System for utilize hot air heating granule to carry out energy storage |
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| CN202110575507.XA CN113154924B (en) | 2021-05-26 | 2021-05-26 | System for utilize hot air heating granule to carry out energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812481A (en) * | 2024-01-05 | 2024-04-02 | 中国铁塔股份有限公司吉林省分公司 | Communication base station machine room and cooling system thereof |
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| CN111735332A (en) * | 2020-07-01 | 2020-10-02 | 浙江高晟光热发电技术研究院有限公司 | High-temperature solid particle heat exchange system |
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| CN117812481A (en) * | 2024-01-05 | 2024-04-02 | 中国铁塔股份有限公司吉林省分公司 | Communication base station machine room and cooling system thereof |
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