阅读说明：本技术 一种电解液储罐 (Electrolyte storage tank ) 是由 陈继军 赵永贵 唐升智 于 2021-08-09 设计创作，主要内容包括：本发明公开一种电解液储罐,包括罐体,所述罐体上设置有进液管,所述罐体内设置有管路组件,所述管路组件包括主管和支管,所述进液管与主管连通,所述主管沿着罐体横截面方向布置,所述主管分支出若干条支管,所述支管上设置出口。本发明所述的电解液储罐利用管路组件在罐体内部对电解液进行散热,有效利用罐体内部空间,不额外增加外部占用空间,延长了电解液汇入到罐体内的总液体中的时间,增大电解液的有效散热面积,提高整体散热效率。(The invention discloses an electrolyte storage tank which comprises a tank body, wherein a liquid inlet pipe is arranged on the tank body, a pipeline assembly is arranged in the tank body and comprises a main pipe and branch pipes, the liquid inlet pipe is communicated with the main pipe, the main pipe is arranged along the cross section direction of the tank body, the main pipe is branched into a plurality of branch pipes, and outlets are arranged on the branch pipes. The electrolyte storage tank provided by the invention utilizes the pipeline assembly to dissipate heat of the electrolyte in the tank body, effectively utilizes the internal space of the tank body, does not additionally increase the external occupied space, prolongs the time for the electrolyte to be converged into the total liquid in the tank body, increases the effective heat dissipation area of the electrolyte, and improves the overall heat dissipation efficiency.)

1. The utility model provides an electrolyte storage tank, includes a jar body (1), jar body (1) top is provided with feed liquor pipe (11), a serial communication port, be provided with the pipeline subassembly in jar body (1), the pipeline subassembly is including being responsible for (2) and branch pipe (3), feed liquor pipe (11) and being responsible for (2) intercommunication, be responsible for (2) and arrange along jar body (1) cross section direction, be responsible for (2) a plurality of branch pipes (3) of branching, set up the export on branch pipe (3).

2. Electrolyte tank according to claim 1, characterized in that the main pipe (2) is in the form of a ring pipe along the cross-section of the tank (1), the branch pipes (3) being arranged at intervals along the ring pipe.

3. Electrolyte tank according to claim 2, characterized in that the branch pipes (3) are arranged vertically, the outlets of the branch pipes being arranged at the bottom ends of the branch pipes.

4. Electrolyte tank according to claim 3, characterized in that the outlet of the branch is tangential to the inner wall of the tank (1).

5. The electrolyte tank as recited in claim 3, characterized in that the wall of the branch pipe (3) is further provided with a plurality of holes, and the holes are arranged at intervals along the length direction of the branch pipe (3).

6. An electrolyte tank according to claim 5, characterized in that the hole is directed towards the center of the tank (1).

7. The electrolyte tank according to claim 5, wherein the diameter of the hole is 5 to 10 mm.

8. Electrolyte tank according to any of claims 1 to 7, characterized in that the tank (1) is provided on its inner wall with brackets to fix the main pipe (2) and the branch pipes (3).

9. Electrolyte tank according to any of claims 1 to 7, characterized in that a pressure relief opening (14) is provided in the tank (1).

10. The electrolyte tank according to any one of claims 1 to 7, characterized in that the lower part of the tank body (1) is further provided with a liquid level balancing port (13) for controlling the liquid level height.

Technical Field

The invention relates to the technical field of electrolyte storage of flow batteries, in particular to an electrolyte storage tank.

Background

The flow battery is an electrochemical energy storage device, utilizes the separated and respectively circulated positive and negative electrolytes, has the characteristics of high capacity, wide application field and long cycle service life, and is a new energy product. The redox flow battery system mainly comprises an ion exchange membrane, a bipolar plate, electrodes, a liquid storage tank (for storing positive and negative electrolytes), a circulating pump and the like, wherein vanadium ion solutions with different valence states are arranged in the positive and negative liquid storage tanks, when the redox flow battery system works, the positive and negative electrolytes are introduced into the redox flow battery through the circulating pump and generate redox reaction on the electrodes, and the positive and negative electrodes of the battery are separated by the ion exchange membrane. The redox flow battery during operation can produce higher heat, lead to the electrolyte high temperature, can lead to vanadic anhydride to appear in electrolyte, attach on the carbon felt and block up the circulating pump, reduce redox flow battery's charge and discharge efficiency, lead to the unable normal work of battery even, consequently need carry out temperature control to electrolyte, but the traditional device structure that carries out temperature control to electrolyte is complicated, need set up various heat exchange device usually, implementation cost is high, area is big.

Disclosure of Invention

The invention aims to solve the technical problems and the technical task of improving the prior art, provides an electrolyte storage tank and solves the problems that a temperature control device for electrolyte in the prior art is complex in structure, high in implementation cost and large in occupied area.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides an electrolyte storage tank, includes a jar body, be provided with the feed liquor pipe on the jar body, the internal pipeline subassembly that is provided with of jar, the pipeline subassembly is including being responsible for and branch pipe, the feed liquor pipe with be responsible for the intercommunication, be responsible for and arrange along jar body cross section direction, be responsible for a plurality of branch pipes of branching, set up the export on the branch pipe. According to the electrolyte storage tank, the pipeline assembly connected with the liquid inlet pipe is arranged in the tank body, and the pipeline assembly is used for enhancing the heat dissipation of the electrolyte. Under the traditional condition, the electrolyte with higher temperature directly falls and converges into the total liquid in the tank body after passing through the liquid inlet pipe, the volume of the total liquid is large, the surface area is small, the self heat dissipation efficiency of the total liquid is extremely low, the electrolyte is not fully kept still in the tank body and needs to be conveyed out again, adverse conditions can occur, including the phenomenon that vanadium pentoxide is separated out in the electrolyte, the vanadium pentoxide is attached to a carbon felt and blocks a circulating pump, the charge and discharge efficiency of the flow battery is reduced, even the battery cannot work normally and the like, the pipeline assembly is arranged in the tank body, the electrolyte dissipates heat in the tank body through the pipeline assembly, the heat of the electrolyte is more efficiently dissipated, then the heat is dissipated outwards from the whole tank body, the electrolyte further flows through a main pipe and a branch pipe of the pipeline assembly after passing through the liquid inlet pipe, and finally enters the total liquid in the tank body from an outlet of the branch pipe, the time that electrolyte converged to total liquid has been prolonged, electrolyte can have the longer time to dispel the heat when flowing in pipeline assembly, and electrolyte has bigger effective heat radiating area for converging to total liquid when flowing along pipeline assembly, can be better dispel the heat, improve the radiating efficiency, and be responsible for a plurality of branch pipes of branch, compare in single pipe transportation, the effective heat radiating area of increase that can be further, ensure that electrolyte has realized effectual cooling when converging total liquid, can reduce the radiating pressure of total liquid, finally ensure that the temperature of electrolyte is in the fit for range, ensure the long-term stable work of redox flow battery.

Further, the person in charge is the ring pipe along jar body cross section, the branch pipe sets up along the ring pipe interval, and the internal space of jar of more abundant utilization can effectively be spaced apart between the branch pipe, more is favorable to dispelling the heat, avoids the interval between the adjacent branch pipe too closely and influences each other.

Furthermore, the branch pipe is vertically arranged, the structure is simple, the implementation is convenient, the outlet of the branch pipe is arranged at the bottom end of the branch pipe, the electrolyte can finally converge into the total liquid only by flowing through a longer path, namely, the path length of the electrolyte capable of effectively dissipating heat is prolonged, the heat dissipation efficiency is improved, in addition, the outlet of the branch pipe is arranged at the bottom end of the branch pipe, so that the outlet of the branch pipe is also positioned in the lower area of the total liquid relative to the total liquid, the electrolyte flowing out from the outlet of the branch pipe can play a role of impact stirring on the total liquid, the whole total liquid is in a constantly stirred state, the heat dissipation of the total liquid is more utilized, the temperature of the total liquid is lower relative to the temperature of the electrolyte flowing out from the outlet of the branch pipe, namely, the liquid with lower temperature is arranged at the upper side, the liquid with higher temperature is arranged at the lower side, the state is more favorable for forming the up-down convection, further improving the heat dissipation efficiency of the total liquid.

Furthermore, the outlet of the branch pipe is along the tangential direction of the inner wall of the tank body, so that the electrolyte output from the outlet of the branch pipe flows along the tangential direction of the inner wall of the tank body, the total liquid can rotate in the tank body, the stirring sufficiency is improved, and the heat dissipation effect is improved.

Further, still be provided with a plurality of holes on the wall of branch pipe, the hole sets up along the length direction interval of branch pipe, and a small amount of electrolyte can flow from the hole to directly drop to total liquid in, can cause the splash to total liquid's liquid level, make total liquid's liquid level area bigger, be favorable to the heat dissipation.

Furthermore, the hole faces to the center of the tank body, conveying pressure exists in the main pipe and the branch pipes, and a certain exit speed exists when the electrolyte flows out of the hole, so that the electrolyte can fall into a position close to the center area of the total liquid, and the total liquid can be more fully splashed.

Furthermore, the aperture of the hole is 5-10 mm, and the amount of electrolyte flowing out of the hole is controlled.

Further, be provided with the support on the inner wall of jar body in order fixed being responsible for and branch pipe, improve structural stability, ensure long-term stable work.

Further, set up pressure release mouth on the jar body, electrolyte passes through the pipeline subassembly and dispels the heat at the internal air of jar, can take place the heat exchange with the internal air of jar, and the air is heated the inflation, leads to jar internal atmospheric pressure for increasing, need release pressure to the internal and external pressure balance's of guarantee jar stability avoids appearing dangerous situation.

Further, the lower part of the tank body is also provided with a liquid level balance port for controlling the liquid level height, total liquid in the tank body can be discharged through the liquid level balance port, the liquid level height of the total liquid is kept at a proper height, the phenomenon that the total liquid level is too high to submerge the whole pipeline assembly is avoided, and the phenomenon that the electrolyte is continuously sent into the tank body to cause a dangerous situation due to too high pressure is avoided.

Compared with the prior art, the invention has the advantages that:

the electrolyte storage tank provided by the invention utilizes the pipeline assembly to dissipate heat of the electrolyte in the tank body, effectively utilizes the internal space of the tank body, does not additionally increase the external occupied space, prolongs the time for the electrolyte to be converged into the total liquid in the tank body, increases the effective heat dissipation area of the electrolyte, and improves the overall heat dissipation efficiency.

Drawings

FIG. 1 is a schematic view of the entire structure of an electrolyte reservoir;

fig. 2 is a schematic top view of the main tube.

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.

The electrolyte storage tank disclosed by the embodiment of the invention has the advantages of simple and compact structure, capability of effectively cooling the electrolyte and guaranteeing long-term stable work of the flow battery, convenience in implementation and low cost.

As shown in fig. 1 and 2, an electrolyte storage tank mainly comprises a tank body 1, a liquid inlet pipe 11 is arranged at the top of the tank body 1, a liquid outlet 12 is arranged at the lower part of the tank body 1, that is, electrolyte enters from the top of the tank body 1 and is output from the lower part, a pipeline assembly is arranged in the tank body 1, the pipeline assembly mainly comprises a main pipe 2 and branch pipes 3, the liquid inlet pipe 11 is communicated with the main pipe 2, the main pipe 2 is arranged along the cross section direction of the tank body 1, the main pipe 2 branches out a plurality of branch pipes 3, the branch pipes 3 are provided with outlets, the electrolyte enters from the liquid inlet pipe 11 into the tank body 1 and then does not directly converge into the total liquid in the tank body 1, but enters into the pipeline assembly first, then enters into the main pipe, then enters into the branch pipes, finally flows out from the outlets of the branch pipes and converges into the total liquid in the tank body 1, and the electrolyte effectively dissipates heat when flowing through the pipeline assembly, thereby reduce the temperature of finally converging the electrolyte in the jar body 1 interior total liquid, the pipeline subassembly can prolong the time that electrolyte converges total liquid to thereby make thereby electrolyte dispersion carry and increase effectual heat radiating area, thereby can effectual improvement electrolyte's radiating efficiency.

In this embodiment, be responsible for 2 and be the ring pipe along jar body 1 cross section, be responsible for 2 specifically and personally submit the annular setting along jar body 1's circumference wall, this embodiment jar body 1 whole be cask form, thereby be responsible for 2 and be the ring shape, be responsible for 2 and be close to jar body 1's top, branch pipe 3 is provided with eight along the annular interval of being responsible for of circle, and, branch pipe 3 along vertical arrangement, the export setting of branch pipe is in the bottom of branch pipe, that is to say, branch pipe 3 from the top department that is close to jar body 1's bottom extension, the bottom of branch pipe is close to jar body 1's bottom, the height that is the whole jar of body height apart from jar body 1 bottom is about 1/4. The branch pipes 3 are spirally arranged along the wall surface of the tank body 1, and the outlets of the branch pipes are arranged at the bottom ends of the branch pipes, so that the path length of the branch pipes is further effectively increased, the electrolyte has longer conveying time, the heat dissipation time is prolonged, and the heat dissipation efficiency is improved.

And the outlet of the branch pipe is along the tangential direction of the inner wall of the tank body 1, so that the outgoing speed direction of the electrolyte flowing out from the outlet of the branch pipe is along the tangential direction of the inner wall of the tank body 1, the electrolyte can be pushed to rotate and flow in the tank body, the total liquid is stirred more fully, the wall surface of the branch pipe 3 is also provided with a plurality of holes, the holes are arranged at intervals along the length direction of the branch pipe 3, the holes face to the center of the tank body 1, the aperture of the holes is 5-10 mm, as the branch pipe 3 is arranged along the vertical direction, the holes are distributed at intervals along the height direction of the tank body 1, a small amount of electrolyte flows out from the holes, the main pipe and the branch pipe have conveying pressure, the electrolyte has a certain outgoing speed when flowing out from the holes, and as the holes face to the center of the tank body 1 and have a plurality of different heights, the electrolyte outgoing from the holes with different heights can fall on different positions of the liquid level of the total liquid, the electrolyte that is ejected from the holes with higher height falls in the central area closer to the liquid level of the total liquid, so that the electrolyte ejected from the holes with different heights can cover the liquid level of the whole total liquid, the sputtering sufficiency is improved, and the heat dissipation effect is improved.

The inner wall of the tank body 1 is provided with a support for fixing the main pipe 2 and the branch pipe 3, so that the structural stability is guaranteed, the main pipe 2 and the branch pipe 3 are prevented from shaking and falling off, and the service life is guaranteed; be responsible for 2 and branch pipe 3 and adopt the material that heat dispersion is good to make, ensure the radiating effect, be provided with radiating fin on the outer wall of being responsible for 2 and branch pipe 3, further increase heat radiating area improves the radiating effect.

The lower part of the tank body 1 is also provided with a liquid level balance port 13 for controlling the liquid level height, thereby effectively controlling the liquid level height of the total liquid in the tank body 1, ensuring that the liquid level height of the total liquid is not more than 2/3 of the height of the tank body 1, avoiding the total liquid from completely submerging the pipeline assembly, ensuring that the upper part in the tank body 1 is an empty space, a main pipe 2 is completely exposed outside the total liquid, one part of a branch pipe 3 is exposed outside the total liquid, because the outlet of the branch pipe is arranged at the bottom end of the branch pipe, the electrolyte is finally converged into the total liquid from the lower layer area of the total liquid, and the electrolyte flowing out from the outlet of the branch pipe can play a role in impact stirring on the total liquid, so that the total liquid is wholly in a constantly stirred state, and the heat dissipation of the total.

Electrolyte dispels the heat when being responsible for 2 and branch pipe 3 and flow, the heat that gives off makes the gas in the empty space in jar internal 1 upper portion be heated, the gas that is heated outwards gives off the heat through jar body 1 wall again, realize the cooling, the heat of the total liquid in jar body 1 also can be through the outside heat dissipation heat of jar body 1 wall, finally ensure that the temperature of total liquid effectively reduces, ensure to reach the requirement through the outside electrolyte temperature of carrying of liquid outlet 12, the time that the pipeline subassembly extension electrolyte converges total liquid and electrolyte is along a plurality of ways of spending when the pipeline subassembly flows thereby can increase the heat exchange area of electrolyte, and then the pipeline subassembly has effectively improved the radiating efficiency of electrolyte, make the more efficient of heat give off, make the temperature of electrolyte can be faster reduce to required degree.

Electrolyte makes the gas in the empty space in jar internal upper portion be heated when being responsible for 2 and branch pipe 3 and flowing to can increase jar internal pressure, consequently, the top of jar body 1 sets up pressure release mouth 14, and the pressure stability in the guarantee jar body 1 improves the safety in utilization, the top of jar body 1 still is provided with argon gas and surveys the release mouth, and atmospheric pressure balance mouth, thermometer mouth, level gauge mouth etc. guarantee the long-term stable work of electrolyte storage tank, liquid outlet 12 is provided with filters, the aperture of filtering is 5 ~ 8mm, and the interaperture is 15 ~ 20mm, makes the pure no solid impurity of electrolyte of carrying to battery pack, avoids blockking up the pipeline or the circulating pump, ensures the unobstructed nature of redox flow battery's electrolyte circulation circuit. The thickness of the upper portion of the side wall of the tank body of the electrolyte storage tank is 18mm, the thickness of the lower portion of the side wall is 35mm, the thickness of the top of the tank body is 20mm, the thickness of the bottom of the tank body is 20mm, the stable structural strength of the tank body is guaranteed, and the use safety and the service life of the tank body are guaranteed.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.