CN204011565U - All-vanadium flow battery energy-storage system - Google Patents
All-vanadium flow battery energy-storage system Download PDFInfo
- Publication number
- CN204011565U CN204011565U CN201420309284.8U CN201420309284U CN204011565U CN 204011565 U CN204011565 U CN 204011565U CN 201420309284 U CN201420309284 U CN 201420309284U CN 204011565 U CN204011565 U CN 204011565U
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- pile
- fluid reservoir
- storage system
- pipeline
- flow battery
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model relates to energy storage technology field, a kind of all-vanadium flow battery energy-storage system is provided, comprise pile and fluid reservoir, between pile and fluid reservoir, be connected with feed liquor pipeline and fluid pipeline, feed liquor pipeline is provided with circulating pump, pile is arranged on pile support, feed liquor pipeline is provided with pressure sensor, between pressure sensor and fluid reservoir, be provided with flow sensor, fluid pipeline is provided with heat exchanger, between heat exchanger and pile, be provided with temperature sensor and potentiometric sensor, the side of fluid reservoir is provided with liquid level tube.The utility model compact conformation, rationally distributed, simple in structure, cost is low, can monitor in real time the working temperature of electrolyte, pressure, current potential, flow and liquid tank level.
Description
Technical field
The utility model relates to energy storage technology field, particularly a kind of all-vanadium flow battery energy-storage system.
Background technology
All-vanadium flow battery energy-storage system (being called for short " vanadium cell ") is a kind of novel environmental protection chemical cell energy storage; it has that fail safe is good, long service life, power and capacity can independent design, without self discharge, realize the plurality of advantages such as momentary charge; the fluctuation of the renewable energy power generations such as can be effectively level and smooth wind power generation, photovoltaic generation; guarantee the stable power-supplying of renewable energy system; also can realize peak load shifting, the system frequency modulation of electrical network and follow the tracks of generation schedule and exert oneself, in the extensive energy storage of electrical network level field, have broad application prospects simultaneously.
All-vanadium flow battery energy-storage system is as an electrochemical reaction system, first will guarantee that its safety and stability moves reliably in application process, and next requires its technical indicator (energy efficiency) to reach certain specification requirement.Therefore,, in all-vanadium flow battery energy-storage system Engineering Design, construction and construction, all must around above-mentioned 2, carry out the work by emphasis.Because vanadium cell is an electrochemical reaction appts, its operating state changes greatly, in order to meet the requirement of load to the power of battery, offer the stable power supply of load performance, need to the temperature of vanadium energy storage system, pressure, flow and liquid tank level etc. directly be controlled in real time and be shown, the reliable effectively operation of guarantee vanadium cell system, and battery pile security of operation.But, existing all-vanadium flow battery energy-storage system, floor space is large, and cost is high, and not possessing modularization can extended attribute, has limited greatly promoting the use of of full vanadium solution battery.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is that floor space is large in order to solve the complex structure of existing all-vanadium flow battery energy-storage system, and cost is high, and the property monitored is not high in real time, is difficult for the defect of modularization Quick Extended.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of all-vanadium flow battery energy-storage system, comprise pile and fluid reservoir, between described pile and fluid reservoir, be connected with feed liquor pipeline and fluid pipeline, described feed liquor pipeline is provided with circulating pump, described pile is arranged on pile support, described feed liquor pipeline is provided with pressure sensor, between described pressure sensor and described fluid reservoir, be provided with flow sensor, described fluid pipeline is provided with heat exchanger, between described heat exchanger and described pile, be provided with temperature sensor and potentiometric sensor, the side of described fluid reservoir is provided with liquid level tube.
Preferably, described pile comprises 4～10 pile individual layers, is arranged in parallel in bracing frame, and the power of described pile is 5kW～30kW.
Preferably, described pile support comprises framework and is arranged on the bracing frame of the position, lower middle of described framework inside, described pile is arranged on support frame as described above, and the outside of described framework is provided with pipeline support, for supporting described feed liquor pipeline and described fluid pipeline.
Preferably, described pile is a plurality of, is arranged in a plurality of described pile supports a plurality of described pile support parallel arranged.
Preferably, described fluid reservoir adopts horizontal type structure.
Preferably, the top of described fluid reservoir is provided with access hole, liquid feeding mouth, inflation inlet and exhaust outlet, and the bottom of described fluid reservoir is provided with leakage fluid dram, and the side of described fluid reservoir is provided with liquid level tube.
Preferably, described heat exchanger adopts horizontal type structure, and its medium is recirculated water cooling medium.
(3) beneficial effect
A kind of all-vanadium flow battery energy-storage system that the utility model provides, comprise pile and fluid reservoir, between described pile and fluid reservoir, be connected with feed liquor pipeline and fluid pipeline, described feed liquor pipeline is provided with circulating pump, described pile is arranged on pile support, be convenient to the layout of feed liquor pipeline and fluid pipeline, improve the tight Minato of pipe-line layout reasonability and energy-storage system, described feed liquor pipeline is provided with pressure sensor, can measure exactly inlet hydraulic, between described pressure sensor and described fluid reservoir, be provided with flow sensor, can measure exactly feed liquor flow, described fluid pipeline is provided with heat exchanger, in order to avoid because of reacted electrolyte temperature too high, cause electrolyte crystallization, then stop up graphite felt and even pierce through barrier film, the homogeneity of reduction electrolyte flow and reaction even both positive and negative polarity is worn liquid, affect all-vanadium flow battery energy-storage system energy efficiency, between described heat exchanger and described pile, be provided with temperature sensor and potentiometric sensor, the reaction of temperature sensor Measurement accuracy finishes the electrolyte temperature of rear outflow pile, the operating state of monitoring energy-storage system, for the protection of energy-storage system provides foundation, electrolyte current potential situation after finishing by the reaction of potentiometric sensor Measurement accuracy, provides foundation for monitoring in real time reactiveness, and the side of described fluid reservoir is provided with liquid level tube, prevents that liquid level of electrolyte is too high or too low.
Accompanying drawing explanation
Fig. 1 is the vertical view of a kind of all-vanadium flow battery energy-storage system of the utility model embodiment.
Fig. 2 is that the axle of the all-vanadium flow battery energy-storage system of the utility model embodiment is surveyed view.
Fig. 3 is the end view of the all-vanadium flow battery energy-storage system of the utility model embodiment.
Fig. 4 is the structural representation of the fluid reservoir of the utility model embodiment.
Fig. 5 is the structural representation of the pile support of the utility model embodiment.
Wherein: 1, pile; 2, pile support; 21, framework; 22, bracing frame; 23, pipeline support; 3, circulating pump; 4, heat exchanger; 5, fluid reservoir; 6, liquid level tube; 7, liquid feeding mouth; 8, access hole; 9, exhaust outlet; 10, inflation inlet; 11, potentiometric sensor; 12, temperature sensor; 13, flow sensor; 14, pressure sensor; 15, leakage fluid dram; 16, feed liquor pipeline; 17, fluid pipeline.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Fig. 3 and Fig. 4 as shown in Figure 1, Figure 2,, a kind of all-vanadium flow battery energy-storage system that the utility model provides, comprise pile 1 and fluid reservoir 5, between pile 1 and fluid reservoir 5, be connected with feed liquor pipeline 16 and fluid pipeline 17, feed liquor pipeline 16 is provided with circulating pump 3, pile 1 is arranged on pile support 2, and feed liquor pipeline 16 is provided with pressure sensor 14, between pressure sensor 14 and fluid reservoir 5, is provided with flow sensor 13.Because reacted electrolyte temperature raises, if electrolyte temperature is too high, will cause electrolyte crystallization, then stop up graphite felt and even pierce through barrier film, the homogeneity of reduction electrolyte flow and reaction even both positive and negative polarity is worn liquid, affect all-vanadium flow battery energy-storage system energy efficiency, be provided with heat exchanger 4 on fluid pipeline 17, the medium of heat exchanger 4 is recirculated water cooling medium, good cooling effect, and use cost is low.Between heat exchanger 4 and pile 1, be provided with temperature sensor 12 and potentiometric sensor 11, the side of fluid reservoir 5 is provided with liquid level tube 6, and liquid level tube 6 is preferably U-shaped liquid level tube, is convenient to observe tank electrolyte inside liquid level, prevents that liquid level is too high or too low.Fluid reservoir 5 and heat exchanger 4 all adopt horizontal type structure, and the axis direction of fluid reservoir 5 and heat exchanger 4 is parallel to ground, can reduce energy-storage system whole height, make it easy to be placed in basement or other highly conditional places.Pressure sensor 14, flow sensor 13, temperature sensor 12, potentiometric sensor 11 are all connected with energy storage monitor system, form monitoring in real time.
As Fig. 5, pile support 2 comprises the framework 21 being formed by connecting by pillar and transom bolt and is arranged on the framework 21 bosoms bracing frame 22 of position on the lower side, bracing frame 22 is connected to many middle angle steel of two crossbeams by two crossbeams and bolt and forms, pile 1 is arranged on bracing frame 22, make the middle part of pile 1 in framework 21, the outside of framework 21 is provided with pipeline support 23, be used for supporting feed liquor pipeline 16 and fluid pipeline 17, be convenient to feed liquor pipeline 16 and fluid pipeline 17 in the layout at pile position Shang Xia 1, improve pipe-line layout reasonability and the tight Minato of energy-storage system.Pile 1 individual layer is arranged in parallel on bracing frame 22, through test of many times, shows, pile individual layer is set to 4～10, and the power setting of pile 1 is 5kW～30kW, and energy storage efficiency is the highest.
Pile 1 is a plurality of, be arranged in a plurality of pile supports 2, a plurality of pile support 2 parallel arranged, the inlet of a plurality of piles 1 and liquid outlet are parallel to respectively feed liquor pipeline 16 and fluid pipeline 17, make pile support 2 form modular construction, can be according to the suitable increase of energy-storage system watt level and minimizing.
Preferably, the top of fluid reservoir 5 is provided with access hole 8, liquid feeding mouth 7, inflation inlet 10 and exhaust outlet 9, and the bottom of fluid reservoir 5 is provided with leakage fluid dram 15, and configuration access hole 8 enters impurity in interior maintenance and cleaning tank while being convenient to fault; Configuration liquid feeding mouth 7 is convenient to automatic fluid injection, improves operating efficiency; Configuration inflation inlet 10 is convenient to inject protective gas, and deaeration, prevents negative pole electrolyte oxidation; Configuration exhaust outlet 9 is convenient to tank inside and outside air pressure balance; Configuration leakage fluid dram 15 is convenient to electrolyte sampling and is detected.
The course of work:
Take negative pole electrolyte as example; all-vanadium flow battery energy-storage system working condition is; negative pole electrolyte injects fluid reservoir from liquid feeding mouth; by liquid level tube, observe liquid level of electrolyte situation; after electrolyte injects; by inflation inlet, inject protective gas-nitrogen, now the air of electrolyte top is discharged from exhaust outlet.After completing the Buchholz protection of negative pole electrolyte; ON cycle pump; electrolyte injects pile along feed liquor pipeline, flow and the pressure changing of the pressure sensor on feed liquor pipeline and flow sensor Real-Time Monitoring electrolyte, and give energy storage monitor system data upload.Negative pole electrolyte completes after chemical reaction in pile, along fluid pipeline, flow in fluid reservoir, in this process, the temperature of the temperature sensor on fluid pipeline and potentiometric sensor Real-Time Monitoring electrolyte and current potential situation, and give energy storage monitor system data upload, heat exchanger is by extraneous circulating water negative pole electrolyte simultaneously, making it temperature is reduced to after zone of reasonableness, flow into fluid reservoir again, complete whole cyclic process, electrolyte can be discharged from leakage fluid dram as required.The working condition of anode electrolyte and negative pole electrolysis liquid phase are same.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection range of the present utility model.
Claims (7)
1. an all-vanadium flow battery energy-storage system, comprise pile (1) and fluid reservoir (5), between described pile (1) and fluid reservoir (5), be connected with feed liquor pipeline (16) and fluid pipeline (17), described feed liquor pipeline (16) is provided with circulating pump (3), it is characterized in that, described pile (1) is arranged on pile support (2), described feed liquor pipeline (16) is provided with pressure sensor (14), between described pressure sensor (14) and described fluid reservoir (5), be provided with flow sensor (13), described fluid pipeline 17 is provided with heat exchanger (4), between described heat exchanger (4) and described pile (1), be provided with temperature sensor (12) and potentiometric sensor (11), the side of described fluid reservoir (5) is provided with liquid level tube (6).
2. a kind of all-vanadium flow battery energy-storage system according to claim 1, is characterized in that, described pile (1) comprises 4～10 piles (1) individual layer, is arranged in parallel in bracing frame, and the power of described pile (1) is 5kW～30kW.
3. all-vanadium flow battery energy-storage system according to claim 1, it is characterized in that, described pile support (2) comprises framework (21) and is arranged on the bracing frame (22) of the position, lower middle of described framework inside, described pile (1) is arranged on support frame as described above, the outside of described framework is provided with pipeline support (23), for supporting described feed liquor pipeline (16) and described fluid pipeline (17).
4. all-vanadium flow battery energy-storage system according to claim 3, is characterized in that, described pile (1) is a plurality of, is arranged in a plurality of described pile supports (2) a plurality of described pile supports (2) parallel arranged.
5. all-vanadium flow battery energy-storage system according to claim 1, is characterized in that, described fluid reservoir (5) adopts horizontal type structure.
6. all-vanadium flow battery energy-storage system according to claim 1, it is characterized in that, the top of described fluid reservoir (5) is provided with access hole (8), liquid feeding mouth (7), inflation inlet (10) and exhaust outlet (9), and the bottom of described fluid reservoir (5) is provided with leakage fluid dram (15).
7. all-vanadium flow battery energy-storage system according to claim 1, is characterized in that, described heat exchanger (4) adopts horizontal type structure, and its medium is recirculated water cooling medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309284.8U CN204011565U (en) | 2014-06-11 | 2014-06-11 | All-vanadium flow battery energy-storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309284.8U CN204011565U (en) | 2014-06-11 | 2014-06-11 | All-vanadium flow battery energy-storage system |
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| CN204011565U true CN204011565U (en) | 2014-12-10 |
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| CN201420309284.8U Expired - Fee Related CN204011565U (en) | 2014-06-11 | 2014-06-11 | All-vanadium flow battery energy-storage system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910919A (en) * | 2017-05-05 | 2017-06-30 | 湖南省德沃普储能有限公司 | All-vanadium flow battery energy-storage system pile electrolyte leakproof automatic checkout system and method |
| CN106935888A (en) * | 2017-05-05 | 2017-07-07 | 湖南省德沃普储能有限公司 | All-vanadium flow battery energy-storage system pile electrolyte leakproof detecting system and method |
| CN109461953A (en) * | 2018-09-07 | 2019-03-12 | 中国电力科学研究院有限公司 | A kind of test method and device of vanadium cell pile electrolyte inside distribution situation |
| CN109509898A (en) * | 2017-09-14 | 2019-03-22 | 大连融慧能源科技有限公司 | Heat recovery system and recovery method suitable for flow battery |
| CN112310456A (en) * | 2020-10-31 | 2021-02-02 | 湖南钒谷新能源技术有限公司 | Electric pile combined module, assembling method thereof and flow battery system |
-
2014
- 2014-06-11 CN CN201420309284.8U patent/CN204011565U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910919A (en) * | 2017-05-05 | 2017-06-30 | 湖南省德沃普储能有限公司 | All-vanadium flow battery energy-storage system pile electrolyte leakproof automatic checkout system and method |
| CN106935888A (en) * | 2017-05-05 | 2017-07-07 | 湖南省德沃普储能有限公司 | All-vanadium flow battery energy-storage system pile electrolyte leakproof detecting system and method |
| CN109509898A (en) * | 2017-09-14 | 2019-03-22 | 大连融慧能源科技有限公司 | Heat recovery system and recovery method suitable for flow battery |
| CN109509898B (en) * | 2017-09-14 | 2020-11-20 | 大连融慧能源科技有限公司 | Heat recovery system and method suitable for flow battery |
| CN109461953A (en) * | 2018-09-07 | 2019-03-12 | 中国电力科学研究院有限公司 | A kind of test method and device of vanadium cell pile electrolyte inside distribution situation |
| CN109461953B (en) * | 2018-09-07 | 2021-08-03 | 中国电力科学研究院有限公司 | Method and device for testing electrolyte distribution condition in vanadium cell stack |
| CN112310456A (en) * | 2020-10-31 | 2021-02-02 | 湖南钒谷新能源技术有限公司 | Electric pile combined module, assembling method thereof and flow battery system |
| CN112310456B (en) * | 2020-10-31 | 2022-02-01 | 湖南钒谷新能源技术有限公司 | Electric pile combined module, assembling method thereof and flow battery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |