CN107195930A - All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method - Google Patents
All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method Download PDFInfo
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- CN107195930A CN107195930A CN201710421540.0A CN201710421540A CN107195930A CN 107195930 A CN107195930 A CN 107195930A CN 201710421540 A CN201710421540 A CN 201710421540A CN 107195930 A CN107195930 A CN 107195930A
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- 239000012530 fluid Substances 0.000 title claims abstract description 108
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 141
- 239000011261 inert gas Substances 0.000 claims abstract description 32
- 230000008054 signal transmission Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 56
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 229910052754 neon Inorganic materials 0.000 claims description 6
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910001456 vanadium ion Inorganic materials 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0444—Concentration; Density
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to battery energy storage technical field, refer in particular to all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method, gas-detecting device is configured in fluid reservoir, for detecting gas content in fluid reservoir, and the signal collected is converted into electric signal transmission to control system, it is compared with the gas content threshold value of setting, when gas content exceedes default threshold value, intake valve and air outlet valve are opened by control system, then inert gas is passed through into fluid reservoir to be protected, until control system collect gas content in fluid reservoir less than setting threshold value when, close intake valve and air outlet valve, improve the energy efficiency and security of all-vanadium flow battery, extend service life, pass through on-line control system, automatically controlling for intake valve and air outlet valve can be realized, accurate control inert gas consumption, avoid gas waste, so as to reduce the O＆M cost in all-vanadium flow battery power station, improve the economy of energy-accumulating power station.
Description
Technical field
The present invention relates to battery energy storage technical field, all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control is refered in particular to
Device and method.
Background technology
All-vanadium flow battery is a kind of novel high-capacity energy-storage battery, with energy conversion efficiency height, operation safety, power
With capacity can independent design, service life is long the advantages of, can as power network water-storage peak regulation energy storage device supplement, in new energy
The fields such as source access, intelligent grid construction have broad application prospects.
All-vanadium flow battery is, using the vanadium ion solution of different valence state as positive pole and the active material of negative pole, to store
In respective electrolyte storage tank.Anode electrolyte is V (V) and V (IV) sulfuric acid solution, and electrolyte liquid is V (III) and V
(II) sulfuric acid solution.In cell operation, the air-sensitive ion in electrolyte is easily oxidized, and causes positive and negative electrode electricity
Solve liquid vanadium ion and integrate valence state rise, decline battery charge capacity, battery cycle life shortens.
Patent CN101989660B discloses a kind of exhaust system of closed electrolyte storage tank of vanadium ion redox flow battery
System, the system links up closed positive and negative electrode electrolyte fluid reservoir top air chamber with pipeline, makes its pressure balance.In the middle of pipeline
Pressure gauge and gas release valve are set, and when fluid reservoir top air chamber pressure exceedes setting value, gas release valve can be automatically opened up, to
Atmospheric exhaust, makes the pressure of the top air chamber of closed electrolytic liquid fluid reservoir no longer raise, it is ensured that electrolyte fluid reservoir safely may be used
By ground work, but with the progress of charge and discharge process, the interior O produced of fluid reservoir2、H2And CO2Can be with electrolyte Deng sensitive gas
Flow circuit, is gathered in the air chamber of fluid reservoir top, by air-sensitive ionic oxide formation in electrolyte, and uses closed liquid storage
Tank, the continuous rise of top air chamber pressure can have a negative impact to tank intensity.
Patent CN105428680A discloses a kind of electrolyte of vanadium redox battery storage device, and the device includes：Anode electrolyte
Holding vessel and electrolyte liquid fluid reservoir, an inert gas filled air-pressure balancing device in inside, air-pressure balancing device connection
An air pressure is set to sense controlling switch, the good effect of the invention：Both positive and negative polarity electrolysis is balanced with inert gas bascule
Air pressure between liquid, meanwhile, the vanadium ion in inert gas shielding electrolyte is not oxidized, but due to lacking to inert gas
, there is the problem of a large amount of insured's gases are wasted, and in the process of running, there is O in Precise control2、H2With the sensitive gas such as CO2
Body is separated out, it is impossible to exclude it from fluid reservoir.
Patent CN206002504U discloses a kind of gas on-line measuring device for all-vanadium flow battery fluid reservoir, leads to
The gas on-line checking mechanism being connected on fluid reservoir is crossed, the process of air in fluid reservoir inert protective gas can be passed through is driven
In, gas in tank is detected and analyzed, the consumption of accurate control protective gas, it is to avoid gas is wasted.But the patent is provided
Method be by controlling valve opening and closing on fluid reservoir to be exhausted manually, in Large Copacity all-vanadium flow battery energy-accumulating power station application
In, because fluid reservoir quantity is more, it is difficult to realize the manual control to each fluid reservoir in power station.In actual all-vanadium flow battery
In energy-accumulating power station application operating mode, or inert gas is used to protect fluid reservoir electrolyte, but will be to inert gas
Consumption realizes that what is become more meticulous automatically controls, therefore also needs to advanced gas On-Line Control Method and device.
The content of the invention
For problem above, the invention provides all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and
Method, using sensitive gas content in gas-detecting device on-line checking fluid reservoir, and by control system realize intake valve and
Air outlet valve is automatically controlled, accurate control protective gas consumption, it is to avoid inert gas is wasted, and can preferably protect electrolyte,
Improve the energy efficiency of all-vanadium flow battery, increase the service life, thus reduce the O＆M of all-vanadium flow battery energy-accumulating power station into
This, improves performance driving economy.
To achieve these goals, the technical solution adopted by the present invention is as follows：
All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device, including control system, inert gas gas station,
Positive pole fluid reservoir, negative pole fluid reservoir, positive gas detection means and negative gas detection means, positive pole fluid reservoir and negative pole liquid storage
Air inlet pipeline and outlet pipe are respectively equipped with tank, air inlet pipeline is connected to the air inlet on inert gas gas station, positive pole fluid reservoir
The air inlet pipeline that pipeline is provided with positive pole intake valve, negative pole fluid reservoir is provided with going out on negative pole intake valve, positive pole fluid reservoir
The outlet pipe that air pipe is provided with positive pole air outlet valve, negative pole fluid reservoir is provided with negative pole air outlet valve, positive gas detection dress
Put and be correspondingly arranged with positive pole fluid reservoir, negative gas detection means is correspondingly arranged with negative pole fluid reservoir, positive gas detection means,
Negative gas detection means, positive pole intake valve, negative pole intake valve, positive pole air outlet valve and negative pole air outlet valve are connected to control system
System.
Furthermore, the positive gas detection means is installed on positive pole liquid storage top tank structure, negative gas detection dress
Put and be installed on negative pole liquid storage top tank structure.
Furthermore, the positive gas detection means includes oxygen content detection list with negative gas detection means
Member, hydrogen content detection unit and carbon dioxide content detection unit.
Furthermore, the positive pole intake valve, negative pole intake valve, positive pole air outlet valve and negative pole air outlet valve are using electronic
Valve.
Furthermore, the inert gas at the inert gas gas station uses high pure nitrogen or high-purity argon gas or high-purity neon
Or the mixed gas of high pure nitrogen, high-purity argon gas and high-purity neon is used as protection gas.
The control method of all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device, step is as follows：
Step one, using positive gas detection means and negative gas detection means on-line checking positive pole fluid reservoir and negative pole
Sensitive gas content in fluid reservoir；
Step 2, positive gas detection means is converted to the gas content signal collected with negative gas detection means
Electric signal transmission is to control system；
Poly- three are walked, the electric signal collected and the sensitive gas content threshold value of setting are compared by control system；
Step 4, when sensitive gas content exceed default threshold value, control system to positive pole intake valve, negative pole intake valve,
Positive pole air outlet valve sends open command with negative pole air outlet valve；
Step 5, inert gas gas station is passed through inert gas by air inlet pipeline into positive pole fluid reservoir and negative pole fluid reservoir
Drive sensitive gas in tank；
Step 6, until control system collects positive pole fluid reservoir with sensitive gas content in negative pole fluid reservoir less than setting
Threshold value when, control system sends out code to positive pole intake valve, negative pole intake valve, positive pole air outlet valve and negative pole air outlet valve；
Step 7, circulation step one is to step 6 successively.
Beneficial effect of the present invention：
The present invention obtains gas in fluid reservoir in real time using sensitive gas content in gas-detecting device on-line checking fluid reservoir
Body status information, automatically controlling for intake valve and air outlet valve, accurate control inert gas consumption are realized by control system, it is to avoid
Gas waste, while the electrolyte in fluid reservoir can be protected preferably, so as to improve the energy efficiency of all-vanadium flow battery, prolongs
Long life, the O＆M cost of all-vanadium flow battery energy-accumulating power station is reduced, improve performance driving economy.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is operation principle schematic diagram of the present invention.
1. control system；2. inert gas gas station；3. positive pole fluid reservoir；4. negative pole fluid reservoir；5. positive gas detection dress
Put；6. negative gas detection means；7. positive pole intake valve；8. negative pole intake valve；9. positive pole air outlet valve；10. negative pole air outlet valve；
11. air inlet pipeline；12. outlet pipe.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device of the present invention, including control
System 1 processed, inert gas gas station 2, positive pole fluid reservoir 3, negative pole fluid reservoir 4, positive gas detection means 5 and negative gas are detected
Device 6, positive pole fluid reservoir 3 on negative pole fluid reservoir 4 with being respectively equipped with air inlet pipeline 11 and outlet pipe 12, and air inlet pipeline 11 is connected
Entering on positive pole intake valve 7, negative pole fluid reservoir 4 is provided with the air inlet pipeline 11 on inert gas gas station 2, positive pole fluid reservoir 3
The outlet pipe 12 that air pipe 11 is provided with negative pole intake valve 8, positive pole fluid reservoir 3 is provided with positive pole air outlet valve 9, negative pole liquid storage
Outlet pipe 12 on tank 4 is provided with negative pole air outlet valve 10, and positive gas detection means 5 is correspondingly arranged with positive pole fluid reservoir 3, bears
Pole gas-detecting device 6 is correspondingly arranged with negative pole fluid reservoir 4, positive gas detection means 5, negative gas detection means 6, positive pole
Intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 are connected to control system 1 with negative pole air outlet valve 10.It is described above to constitute
Basic structure of the present invention.
The present invention is online using positive gas detection means 5 and negative gas detection means 6 using such structure setting
Positive pole fluid reservoir 3 and the sensitive gas content in negative pole fluid reservoir 4 are detected, positive pole fluid reservoir 3 and negative pole fluid reservoir 4 are obtained in real time
Interior gaseous state information, is realized to positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole by control system 1
Air outlet valve 10 is automatically controlled, accurate control inert gas consumption, it is to avoid gas waste, while preferably positive pole can be protected to store up
Flow container 3 and the electrolyte in negative pole fluid reservoir 4, so as to improve the energy efficiency of all-vanadium flow battery, increase the service life, reduce
The O＆M cost of all-vanadium flow battery energy-accumulating power station, improves performance driving economy.Its operation principle：In all-vanadium flow battery energy storage electricity
Stand before work, positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole air outlet valve 10 opened by control system 1,
Then inert gas gas station 2 is passed through inert gas with negative pole fluid reservoir 4 to positive pole fluid reservoir 3 by air inlet pipeline 11 and protected
Shield, drives positive pole fluid reservoir 3 and the air in negative pole fluid reservoir 4, is detected and filled by positive gas detection means 5 and negative gas
Put 6 detection positive pole fluid reservoirs 3 and the sensitive gas contents in negative pole fluid reservoir 4 in real time, and by the gas content signal detected
Be converted to electric signal transmission and give control system 1 (as shown in Figure 2), control system 1 is by the electric signal received and the sensitivity of setting
Gas content threshold value is compared, and when gas content is less than threshold value, is closed positive pole intake valve 7, negative pole intake valve 8, positive pole and is gone out
Air valve 9 and negative pole air outlet valve 10, start all-vanadium flow battery, in all-vanadium flow battery running, are examined by positive gas
Device 5 and the sensitive gas content in negative gas detection means 6 in real time detection positive pole fluid reservoir 3 and negative pole fluid reservoir 4 are surveyed, when
When the positive pole fluid reservoir 3 that control system 1 is collected is higher than the threshold value of setting with the sensitive gas content in negative pole fluid reservoir 4, weight
It is new to open positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole air outlet valve 10, stored up to positive pole fluid reservoir 3 and negative pole
Inert gas is passed through in flow container 4 to be protected, until when the sensitive gas content that control system 1 is collected is less than the threshold value of setting
Close positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole air outlet valve 10.
More specifically, the positive gas detection means 5 is installed on the inwall of positive pole fluid reservoir 3, negative gas detection
Device 6 is installed on the inwall of negative pole fluid reservoir 4., can ingenious utilization positive pole fluid reservoir 3 and negative pole storage using such structure setting
The inner space of flow container 4, reduces energy-storage system floor space.
More specifically, the positive gas detection means 5 includes oxygen content detection with negative gas detection means 6
Unit, hydrogen content detection unit and carbon dioxide content detection unit.Using such structure setting, examined by positive gas
Survey device 5 and detect positive pole fluid reservoir 3 and the oxygen content inside negative pole fluid reservoir 4, hydrogen content with negative gas detection means 6
And carbon dioxide content.
More specifically, the positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 are adopted with negative pole air outlet valve 10
Set with motor-driven valve.Using such structure setting, positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole outlet
Valve 10 can receive the electric signal that control system 1 is sent, and can complete corresponding action command.
More specifically, the inert gas at the inert gas gas station 2 uses high pure nitrogen or high-purity argon gas or high-purity neon
The mixed gas of gas or high pure nitrogen, high-purity argon gas and high-purity neon is used as protection gas.
The control method of all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device, step is as follows：
Step one, using positive gas detection means 5 and the on-line checking positive pole fluid reservoir 3 of negative gas detection means 6 with
Sensitive gas content in negative pole fluid reservoir 4；
Step 2, positive gas detection means 5 changes the gas content signal collected with negative gas detection means 6
For electric signal transmission to control system 1；
Poly- three are walked, the electric signal collected and the sensitive gas content threshold value of setting are compared by control system 1；
Step 4, when sensitive gas content exceedes default threshold value, control system 1 is to positive pole intake valve 7, negative pole intake valve
8th, positive pole air outlet valve 9 sends open command with negative pole air outlet valve 10；
Step 5, inert gas gas station 2 is lazy with being passed through in negative pole fluid reservoir 4 to positive pole fluid reservoir 3 by air inlet pipeline 11
Property gas drives sensitive gas in tank；
Step 6, until control system 1 collects positive pole fluid reservoir 3 and is less than with sensitive gas content in negative pole fluid reservoir 4
During the threshold value of setting, control system 1 is sent to positive pole intake valve 7, negative pole intake valve 8, positive pole air outlet valve 9 and negative pole air outlet valve 10
Out code；
Step 7, circulation step one is to step 6 successively.
This is described with new embodiment above in association with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within protection scope of the present invention.
Claims (6)
1. all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device, it is characterised in that：Including control system (1),
Inert gas gas station (2), positive pole fluid reservoir (3), negative pole fluid reservoir (4), positive gas detection means (5) and negative gas are detected
Air inlet pipeline (11) and outlet pipe (12) are respectively equipped with device (6), the positive pole fluid reservoir (3) and negative pole fluid reservoir (4),
The air inlet pipeline (11) that the air inlet pipeline (11) is connected on inert gas gas station (2), the positive pole fluid reservoir (3) is provided with
Air inlet pipeline (11) on positive pole intake valve (7), the negative pole fluid reservoir (4) is provided with negative pole intake valve (8), the positive pole storage
Outlet pipe (12) on flow container (3) is provided with the outlet pipe (12) on positive pole air outlet valve (9), the negative pole fluid reservoir (4)
It is provided with negative pole air outlet valve (10)；
The positive gas detection means (5) is correspondingly arranged with positive pole fluid reservoir (3), the negative gas detection means (6) with
Negative pole fluid reservoir (4) is correspondingly arranged, the positive gas detection means (5), negative gas detection means (6), positive pole intake valve
(7), negative pole intake valve (8), positive pole air outlet valve (9) are connected to control system (1) with negative pole air outlet valve (10).
2. all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device according to claim 1, its feature exists
In：The positive gas detection means (5) is installed on positive pole fluid reservoir (3) inwall, negative gas detection means (6) peace
Loaded on negative pole fluid reservoir (4) inwall.
3. all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device according to claim 1, its feature exists
In：The positive gas detection means (5) includes oxygen content detection unit, hydrogen with negative gas detection means (6) and contained
Amount detection unit and carbon dioxide content detection unit.
4. a kind of all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device according to claim 1, it is special
Levy and be：The positive pole intake valve (7), negative pole intake valve (8), positive pole air outlet valve (9) are with negative pole air outlet valve (10) using electricity
Dynamic valve.
5. all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device according to claim 1, its feature exists
In：The inert gas of the inert gas gas station (2) uses high pure nitrogen or high-purity argon gas or high-purity neon or high pure nitrogen, height
The mixed gas of pure argon and high-purity neon is used as protection gas.
6. the controlling party of all-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device according to claim 1
Method, it is characterised in that step is as follows：
Step one, using positive gas detection means (5) and negative gas detection means (6) on-line checking positive pole fluid reservoir (3)
With the interior sensitive gas content of negative pole fluid reservoir (4)；
Step 2, positive gas detection means (5) changes the gas content signal collected with negative gas detection means (6)
For electric signal transmission to control system (1)；
Poly- three are walked, the electric signal collected and the sensitive gas content threshold value of setting are compared by control system (1)；
Step 4, when sensitive gas content exceedes default threshold value, control system (1) is to positive pole intake valve (7), negative pole intake valve
(8), positive pole air outlet valve (9) sends open command with negative pole air outlet valve (10)；
Step 5, inert gas gas station (2) is led to by air inlet pipeline (11) into positive pole fluid reservoir (3) and negative pole fluid reservoir (4)
Enter inert gas and drive sensitive gas in tank；
Step 6, until control system (1) collects positive pole fluid reservoir (3) and the interior sensitive gas content of negative pole fluid reservoir (4) is low
When the threshold value of setting, control system (1) goes out to positive pole intake valve (7), negative pole intake valve (8), positive pole air outlet valve (9) with negative pole
Air valve (10) sends out code；
Step 7, circulation step one is to step 6 successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421540.0A CN107195930A (en) | 2017-06-07 | 2017-06-07 | All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710421540.0A CN107195930A (en) | 2017-06-07 | 2017-06-07 | All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method |
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| CN107195930A true CN107195930A (en) | 2017-09-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232269A (en) * | 2018-03-08 | 2018-06-29 | 广州市泓能五金有限公司 | A kind of electrolyte circulation system of vanadium cell |
| CN110048147A (en) * | 2019-03-18 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of all-vanadium flow battery pipe-line system having mixed liquid function |
| CN110429307A (en) * | 2019-07-19 | 2019-11-08 | 国网电力科学研究院武汉南瑞有限责任公司 | The pressure equaliser and method of vanadium cell fluid reservoir |
| CN111948553A (en) * | 2020-08-19 | 2020-11-17 | 华霆（合肥）动力技术有限公司 | Battery explosion detection system and method |
| CN115047044A (en) * | 2022-06-10 | 2022-09-13 | 湖北工业大学 | Electrolyte gas detection device and method of micro-fluidic gas sensor technology |
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| CN108232269A (en) * | 2018-03-08 | 2018-06-29 | 广州市泓能五金有限公司 | A kind of electrolyte circulation system of vanadium cell |
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| CN110048147B (en) * | 2019-03-18 | 2021-11-05 | 中国电力科学研究院有限公司 | All-vanadium redox flow battery pipeline system with liquid mixing function |
| CN110429307A (en) * | 2019-07-19 | 2019-11-08 | 国网电力科学研究院武汉南瑞有限责任公司 | The pressure equaliser and method of vanadium cell fluid reservoir |
| CN111948553A (en) * | 2020-08-19 | 2020-11-17 | 华霆（合肥）动力技术有限公司 | Battery explosion detection system and method |
| CN111948553B (en) * | 2020-08-19 | 2023-05-23 | 华霆（合肥）动力技术有限公司 | Battery explosion detection system and method |
| CN115047044A (en) * | 2022-06-10 | 2022-09-13 | 湖北工业大学 | Electrolyte gas detection device and method of micro-fluidic gas sensor technology |
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