CN102315467A - Integrated system of flow battery liquid storage tank - Google Patents
Integrated system of flow battery liquid storage tank Download PDFInfo
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- CN102315467A CN102315467A CN201110240421A CN201110240421A CN102315467A CN 102315467 A CN102315467 A CN 102315467A CN 201110240421 A CN201110240421 A CN 201110240421A CN 201110240421 A CN201110240421 A CN 201110240421A CN 102315467 A CN102315467 A CN 102315467A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to an integrated system of a flow battery liquid storage tank. The system is characterized in that a liquid storage tank storing positive and negative electrolytes and a flow battery are integrated into a whole by integrated branch pipelines and an integrated main pipeline so as to coordinate and manage the number of liquid storage tanks of flow batteries in operation in the system. The integrated system of the invention can realize unified capacity allocation of the flow battery system, with auxiliary systems in mutual redundancy, thus improving the system efficiency and reliability.
Description
Technical field
The present invention relates to the electrochemical energy storage system, specifically relate to a kind of integrated system of flow battery fluid reservoir.
Background technology
Electric energy is a kind ofly to be difficult to store and indispensable commodity, and any moment, its production all will be satisfied need for electricity, so people seek economically viable energy storage technology always, with the relation of balancing supply with demand, and the stable power supply.Power storage plays an important role in the following aspects: carry out electric energy management, assist generating during peak of power consumption, balanced load is to safeguard the stable of electrical network; The electric energy assistant service is provided, comprises frequency adjustment, spinning reserve, fixed storage, longer-term storage; Be dispersed on the node of electric energy transmitting and distribution, carry out voltage control, improve the quality of power supply and system stability; Combine with renewable sources such as solar energy, wind energies, solve the period difference contradiction of electricity consumption and generating, the output of the stable regeneration energy improves its ratio in the energy; As large-scale uninterrupted power supplys of important department such as government, hospital, community, military affairs, communication, factories; With the associating of large-scale thermal power station, reduce power station peaking capacity and cost of electricity-generating and reduce and pollute; Can carry out the electric power trade according to the electric price difference of different periods.
With the energy content of battery storage system of chemical energy mode storage of electrical energy, because addressing is flexible, cost is low, efficient is high, application prospect is good.Wherein flow battery is because the design of power and capacity is independently, and the chemical substance in the electrolyte is repeated to utilize through redox reaction, and system can the automation closed operation, and is little to environmental impact, so develop very fast in the battery energy storage field.Flow battery is a kind of new electric energy storing technology, and operation principle is as shown in Figure 1, and both positive and negative polarity electrolyte is transported in the pile through circulating pump, on inert electrode, takes place to send back in the electrolyte storage tank after the electrochemical reaction.A distinguishing feature of flow battery is that Conversion of energy and energy storage are relatively independent, and just pile and electrolyte are relatively independent, and flow battery power and capacity configuration are flexible.
Publication number is that the patent of invention of CN200610046183.6 discloses a kind of high power oxidation, reduction liquid energy-storage pile modular structure and group mode thereof; Wherein has a sub-pile at least; Electrolyte gets in each subelement liquid road through each sub-pile liquid road through the electrolyte delivery pump, wherein discloses a cover flow battery system that is made up of 1～40 sub-pile, pipeline and fluid reservoir etc.Fig. 2 shows the flow battery system of the above-mentioned flow battery combination of a kind of more massive employing.
Many-sided factors such as ruuning situation, maintenance cost, reliability, life-span and redundant regulating power of extensive energy storage technology considered energy-storage system are used in electric power system.Though adopting extensive flow battery system stored energy technology can effectively alleviate the electricity consumption imbalance between supply and demand, improves power grid security and stability, improve power supply quality; And can actively promote the utilization and the development of regenerative resource, but extensive flow battery system in application, need to consider below several problems:
1. moving components such as the pump of flow battery system employing, valve are prone to break down;
2. the electrolyte circulation system globality is strong, and a link goes wrong, and a whole set of battery system just can't be worked, and reliability reduces;
3. as if the shutdown maintenance flow battery, battery system just can not continue to provide the service of running without interruption in 24 hours/day.
Summary of the invention
In order to solve above-mentioned deficiency of the prior art; The object of the present invention is to provide a kind of integrated system of flow battery fluid reservoir; Not only flow battery can independent operating work; And can will lay in both positive and negative polarity electrolyte fluid reservoir and flow battery is integrated as a whole through integrated bye-pass and integrated main pipe rail, structure can be realized the redox flow battery energy storage system of flow battery capacity uniform dispatching.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of integrated system of flow battery fluid reservoir is characterized in that: said integrated system comprises flow battery, integrated bye-pass, integrated main pipe rail and deposit both positive and negative polarity electrolyte fluid reservoir;
Said flow battery comprises pile group, both positive and negative polarity electrolyte circulating pump, both positive and negative polarity electrolyte fluid reservoir and both positive and negative polarity circulation line.
The negative pole electrolyte input of the negative pole electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The negative pole electrolyte input of said deposit negative pole electrolyte fluid reservoir, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said deposit, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively.
Said integrated main pipe rail comprises anodal electrolyte input and output pipeline and negative pole electrolyte input and output pipeline.
The negative pole electrolyte intake line of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass 1a, and the negative pole electrolyte output pipe of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass 2a;
The anodal electrolyte intake line of the anodal fluid reservoir of said flow battery is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass 4a, and the anodal electrolyte output pipe of the anodal fluid reservoir of flow battery is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass 3a.
The negative pole electrolyte intake line of said deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass 1c, and the negative pole electrolyte output pipe of deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass 2c;
The anodal electrolyte intake line of the anodal electrolyte fluid reservoir of said deposit is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass 4c, and the anodal electrolyte output pipe of laying in anodal electrolyte fluid reservoir is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass 3c.
Valve Close All among integrated bye-pass 1a, 2a, 3a and the 4a, flow battery works alone.
Fluid reservoir in flow battery or circulation line need maintenance, or need the unified management power system capacity, will lay in both positive and negative polarity electrolyte fluid reservoir through integrated bye-pass and integrated main pipe rail and switch in the flow battery and move, and running is following:
Said integrated bye-pass 1a, 1c, 2a and 2c are respectively equipped with valve; The negative pole electrolyte circulating pump that the integrated bye-pass 2c of negative pole electrolyte process of deposit negative pole electrolyte fluid reservoir, the negative pole electrolyte output pipe in the integrated main pipe rail and integrated bye-pass 2a are input to flow battery; The negative pole electrolyte circulating pump is sent to the negative pole electrolyte of flow battery and deposit negative pole electrolyte fluid reservoir in the pile group of flow battery and reacts; A reacted negative pole electrolyte part is input in the negative pole fluid reservoir of flow battery, and negative pole electrolyte intake line and the integrated bye-pass 1c of another part in integrated bye-pass 1a, integrated main pipe rail is input in the deposit negative pole electrolyte fluid reservoir; Said integrated bye-pass 3a, 3c, 4a and 4c are respectively equipped with valve; The anodal electrolyte circulating pump that the anodal electrolyte of laying in anodal electrolyte fluid reservoir is input to flow battery through the anodal electrolyte output pipe in integrated bye-pass 3c, the integrated main pipe rail and integrated bye-pass 3a; Anodal electrolyte circulating pump is sent to the anodal electrolyte of flow battery and the anodal fluid reservoir of deposit in the pile group of flow battery and reacts; A reacted anodal electrolyte part is input in the anodal fluid reservoir of flow battery, and anodal electrolyte intake line and the integrated bye-pass 4c of another part in integrated bye-pass 4a, integrated main pipe rail is input in the anodal electrolyte fluid reservoir of deposit.
Said valve is an electrically operated valve.
Flange arrangement is adopted in the end of said integrated main pipe rail, realizes the expansion of integrated main pipe rail.
Said integrated main pipe rail is provided with quantity at the anodal electrolyte intake line more than 1 and the interface of output pipe, and negative pole electrolyte intake line and the output pipe interface of quantity on 1.
Compared with prior art; Excellent effect of the present invention is: this extensive redox flow battery energy storage system that combines based on flow battery and deposit both positive and negative polarity electrolyte fluid reservoir, and the parts of each flow battery Redundancy Design each other improve reliability of system operation; Can be according to the actual motion demand, the quantity of the fluid reservoir of adjustment participation work improves running efficiency of system; Demonstrate fully the relatively independent characteristic of flow battery Conversion of energy and energy storage, the expansion of flexible realization redox flow battery energy storage system; Under the constant situation of redox flow battery energy storage system ability to work, easy access and maintenance.
Description of drawings
Fig. 1 is a flow battery operation principle sketch map;
Fig. 2 is the integrated extensive redox flow battery energy storage system sketch mapes of many independent flow batteries of group;
Fig. 3 is the single flow battery sketch map that adopts the integrated system of flow battery fluid reservoir;
Fig. 4 adopts the integrated system of flow battery fluid reservoir will lay in the sketch map that both positive and negative polarity electrolyte fluid reservoir is linked into flow battery;
Fig. 5 is the sketch map that adopts the extensive redox flow battery energy storage system that many groups flow battery and the deposit both positive and negative polarity electrolyte fluid reservoir of the integrated system of flow battery fluid reservoir constituted.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As shown in Figure 1; Flow battery comprises pile group, both positive and negative polarity electrolyte circulating pump, both positive and negative polarity electrolyte fluid reservoir and both positive and negative polarity circulation line; The flow battery of using among the present invention belongs to the electrochemistry flow battery; The electrochemistry flow battery is commonly referred to as redox flow batteries, is a kind of novel large-scale electrochemical energy storage device.
Fig. 2 is the integrated extensive redox flow battery energy storage system sketch mapes of many independent flow batteries of group.
Fig. 3 comprises flow battery, integrated bye-pass and integrated main pipe rail for the single flow battery sketch map of the integrated system of employing flow battery fluid reservoir.
Like Fig. 4, said integrated system comprises flow battery, integrated bye-pass, integrated main pipe rail and deposit both positive and negative polarity electrolyte fluid reservoir.
The negative pole electrolyte input of the negative pole electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The negative pole electrolyte input of said deposit negative pole electrolyte fluid reservoir, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said deposit, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively.
Said integrated main pipe rail comprises anodal electrolyte input and output pipeline and negative pole electrolyte input and output pipeline.
The negative pole electrolyte intake line of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass 1a, and the negative pole electrolyte output pipe of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass 2a;
The anodal electrolyte intake line of the anodal fluid reservoir of said flow battery is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass 4a, and the anodal electrolyte output pipe of the anodal fluid reservoir of flow battery is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass 3a.
The negative pole electrolyte intake line of said deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass 1c, and the negative pole electrolyte output pipe of deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass 2c;
The anodal electrolyte intake line of the anodal electrolyte fluid reservoir of said deposit is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass 4c, and the anodal electrolyte output pipe of laying in anodal electrolyte fluid reservoir is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass 3c.
Valve Close All among integrated bye-pass 1a, 2a, 3a and the 4a, flow battery works alone.
Fluid reservoir in flow battery or circulation line need maintenance, or need the unified management power system capacity, will lay in both positive and negative polarity electrolyte fluid reservoir through integrated bye-pass and integrated main pipe rail and switch in the flow battery and move, and running is following:
Integrated bye-pass 1a, 1c, 2a and 2c are respectively equipped with valve; The negative pole electrolyte circulating pump that the integrated bye-pass 2c of negative pole electrolyte process of deposit negative pole electrolyte fluid reservoir, the negative pole electrolyte output pipe in the integrated main pipe rail and integrated bye-pass 2a are input to flow battery; The negative pole electrolyte circulating pump is sent to the negative pole electrolyte of flow battery and deposit negative pole electrolyte fluid reservoir in the pile group of flow battery and reacts; A reacted negative pole electrolyte part is input in the negative pole fluid reservoir of flow battery, and negative pole electrolyte intake line and the integrated bye-pass 1c of another part in integrated bye-pass 1a, integrated main pipe rail is input in the deposit negative pole electrolyte fluid reservoir; Integrated bye-pass 3a, 3c, 4a and 4c are respectively equipped with valve; The anodal electrolyte circulating pump that the anodal electrolyte of laying in anodal electrolyte fluid reservoir is input to flow battery through the anodal electrolyte output pipe in integrated bye-pass 3c, the integrated main pipe rail and integrated bye-pass 3a; Anodal electrolyte circulating pump is sent to the anodal electrolyte of flow battery and the anodal fluid reservoir of deposit in the pile group of flow battery and reacts; A reacted anodal electrolyte part is input in the anodal fluid reservoir of flow battery, and anodal electrolyte intake line and the integrated bye-pass 4c of another part in integrated bye-pass 4a, integrated main pipe rail is input in the anodal electrolyte fluid reservoir of deposit.At this moment, the power of this system is constant, but capacity doubles, and system effectiveness improves, and parts are redundant each other, and the operational reliability of system improves.
Said valve is an electrically operated valve.
Flange arrangement is adopted in the end of said integrated main pipe rail, realizes the expansion of integrated main pipe rail.
Said integrated main pipe rail is provided with quantity at the anodal electrolyte intake line more than 1 and the interface of output pipe, and negative pole electrolyte intake line and the output pipe interface of quantity on 1.
As shown in Figure 5, through integrated bye-pass and integrated main pipe rail several flow batteries and deposit both positive and negative polarity electrolyte fluid reservoir are received in the flow battery system, can realize the expansion of flow battery system power and capacity.
What should work as explanation at last is: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; The those of ordinary skill in said field is to be understood that: still can specific embodiments of the invention make amendment or replacement on an equal basis; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the integrated system of a flow battery fluid reservoir, it is characterized in that: said integrated system comprises flow battery, integrated bye-pass, integrated main pipe rail and deposit both positive and negative polarity electrolyte fluid reservoir;
Said flow battery comprises pile group, both positive and negative polarity electrolyte circulating pump, both positive and negative polarity electrolyte fluid reservoir and both positive and negative polarity circulation line;
The negative pole electrolyte input of the negative pole electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said flow battery, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The negative pole electrolyte input of said deposit negative pole electrolyte fluid reservoir, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
The anodal electrolyte input of the anodal electrolyte fluid reservoir of said deposit, output pipe are connected respectively with electrolyte input, the output pipe of corresponding integrated main pipe rail through corresponding integrated bye-pass respectively;
Said integrated main pipe rail comprises anodal electrolyte input and output pipeline and negative pole electrolyte input and output pipeline.
2. the integrated system of a kind of flow battery fluid reservoir according to claim 1; It is characterized in that: the negative pole electrolyte intake line of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass (1a), and the negative pole electrolyte output pipe of the negative pole fluid reservoir of said flow battery is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass (2a);
The anodal electrolyte intake line of the anodal fluid reservoir of said flow battery is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass (4a), and the anodal electrolyte output pipe of the anodal fluid reservoir of flow battery is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass (3a);
The negative pole electrolyte intake line of said deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte intake line of integrated main pipe rail through integrated bye-pass (1c), and the negative pole electrolyte output pipe of deposit negative pole electrolyte fluid reservoir is connected with the negative pole electrolyte output pipe of integrated main pipe rail through integrated bye-pass (2c);
The anodal electrolyte intake line of the anodal electrolyte fluid reservoir of said deposit is connected with the anodal electrolyte intake line of integrated main pipe rail through integrated bye-pass (4c), and the anodal electrolyte output pipe of the anodal electrolyte fluid reservoir of flow battery is connected with the anodal electrolyte output pipe of integrated main pipe rail through integrated bye-pass (3c).
3. the integrated system of a kind of flow battery fluid reservoir according to claim 2; It is characterized in that: said integrated bye-pass (1a), (1c), (2a) and (2c) be respectively equipped with valve, the negative pole electrolyte output pipe of deposit negative pole electrolyte fluid reservoir in integrated bye-pass (2c), integrated main pipe rail is connected with the negative pole electrolyte circulating pump with integrated bye-pass (2a);
The negative pole electrolyte circulating pump is sent to the negative pole electrolyte of flow battery and deposit negative pole electrolyte fluid reservoir in the pile group of flow battery and reacts; A reacted negative pole electrolyte part is input in the negative pole fluid reservoir of flow battery, and negative pole electrolyte intake line and the integrated bye-pass (1c) of another part in integrated bye-pass (1a), integrated main pipe rail is input in the deposit negative pole electrolyte fluid reservoir; Said integrated bye-pass (3a), (3c), (4a) and (4c) be respectively equipped with valve; The anodal electrolyte circulating pump that the anodal electrolyte of laying in anodal electrolyte fluid reservoir is input to flow battery through the anodal electrolyte output pipe in integrated bye-pass (3c), the integrated main pipe rail and integrated bye-pass (3a); Anodal electrolyte circulating pump is sent to the anodal electrolyte of flow battery and the anodal fluid reservoir of deposit in the pile group of flow battery and reacts; A reacted anodal electrolyte part is input in the anodal fluid reservoir of flow battery, and anodal electrolyte intake line and the integrated bye-pass (4c) of another part in integrated bye-pass (4a), integrated main pipe rail is input in the anodal electrolyte fluid reservoir of deposit.
4. the integrated system of a kind of flow battery fluid reservoir according to claim 3 is characterized in that: said valve is an electrically operated valve.
5. the integrated system of a kind of flow battery fluid reservoir according to claim 1 is characterized in that: flange arrangement is adopted in the end of said integrated main pipe rail, realizes the expansion of integrated main pipe rail.
6. according to the integrated system of the said a kind of flow battery fluid reservoir of claim 1; It is characterized in that: said integrated main pipe rail is provided with quantity at the anodal electrolyte intake line more than 1 and the interface of output pipe, and negative pole electrolyte intake line and the output pipe interface of quantity on 1.
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| CN201110240421.8A CN102315467B (en) | 2011-08-19 | 2011-08-19 | Integrated system of flow battery liquid storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075366A (en) * | 2016-04-21 | 2018-12-21 | 住友电气工业株式会社 | Container type battery |
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| CN1535488A (en) * | 2001-05-01 | 2004-10-06 | ס�ѵ�����ҵ��ʽ���� | Secondary cell and method of operating secondary cell |
| JP2006024525A (en) * | 2004-07-09 | 2006-01-26 | Kansai Electric Power Co Inc:The | Method for electricity storage and heat storage and its system |
| US20100003545A1 (en) * | 2008-07-07 | 2010-01-07 | Enervault Corporation | Redox Flow Battery System for Distributed Energy Storage |
| CN102148388A (en) * | 2010-02-10 | 2011-08-10 | 大连融科储能技术发展有限公司 | Redox flow battery system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1535488A (en) * | 2001-05-01 | 2004-10-06 | ס�ѵ�����ҵ��ʽ���� | Secondary cell and method of operating secondary cell |
| JP2006024525A (en) * | 2004-07-09 | 2006-01-26 | Kansai Electric Power Co Inc:The | Method for electricity storage and heat storage and its system |
| US20100003545A1 (en) * | 2008-07-07 | 2010-01-07 | Enervault Corporation | Redox Flow Battery System for Distributed Energy Storage |
| CN102148388A (en) * | 2010-02-10 | 2011-08-10 | 大连融科储能技术发展有限公司 | Redox flow battery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109075366A (en) * | 2016-04-21 | 2018-12-21 | 住友电气工业株式会社 | Container type battery |
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