CN220696386U - High-concentration all-vanadium battery electrolyte mixing uniform storage tank - Google Patents
High-concentration all-vanadium battery electrolyte mixing uniform storage tank Download PDFInfo
- Publication number
- CN220696386U CN220696386U CN202321814684.XU CN202321814684U CN220696386U CN 220696386 U CN220696386 U CN 220696386U CN 202321814684 U CN202321814684 U CN 202321814684U CN 220696386 U CN220696386 U CN 220696386U
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- supply pipe
- liquid supply
- storage tank
- pipe
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 55
- 238000002156 mixing Methods 0.000 title claims abstract description 21
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 103
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 4
- 238000010992 reflux Methods 0.000 claims abstract description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 230000008859 change Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001456 vanadium ion Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
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- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a storage tank for uniformly mixing high-concentration all-vanadium battery electrolyte, and relates to the field of auxiliary equipment for high-concentration all-vanadium battery electrolyte. The electrolytic tank comprises a tank body, wherein the bottom side of the tank body is communicated with a discharging pipe, a hedging and mixing mechanism is arranged in the tank body, and the feeding end of the hedging and mixing mechanism is communicated with a liquid inlet pipe and extends out of the tank body to serve as a reflux end of electrolyte; the opposite flushing liquid mixing mechanism comprises a first liquid supply pipe and a second liquid supply pipe which are communicated with each other, the first liquid supply pipe is communicated with the discharge pipe, and one surface of the first liquid supply pipe facing the second liquid supply pipe is provided with discharge holes; the second liquid supply pipe is provided with discharge holes towards one surface of the first liquid supply pipe. The electrolyte storage tank solves the problem that the existing electrolyte storage tank of the closed all-vanadium battery is difficult to ensure the uniformity of electrolyte in the operation process.
Description
Technical Field
The utility model relates to the field of auxiliary equipment for high-concentration all-vanadium battery electrolyte, in particular to a storage tank for uniformly mixing high-concentration all-vanadium battery electrolyte.
Background
The all-vanadium redox flow battery is a redox battery taking vanadium as an active material and in a circulating flowing liquid state. The electric energy of the vanadium battery is stored in sulfuric acid electrolyte of vanadium ions in different valence states in a chemical energy mode, the electrolyte is hydraulically filled into the battery stack body through an external pump, the electrolyte circularly flows in different liquid storage tanks and closed loops of the battery stack under the action of mechanical power, the battery stack adopts a perfluorinated sulfonic acid ion exchange membrane as a diaphragm, the electrolyte parallelly flows through the electrode surface and generates electrochemical reaction, and electric current is collected and conducted through a double electrode plate, so that the chemical energy stored in the solution is converted into electric energy.
In the operation process of the all-vanadium battery, electrolyte of the anode and the cathode is required to flow out of the storage tank, and after flowing into the galvanic pile, vanadium ions change in valence state and flow back into the storage tank after discharging is completed. Because the current storage tank is in order to guarantee the gas tightness and avoid the electrolyte to be oxidized, the airtight arrangement is generally adopted, and the electrolyte in the storage tank is in a state that cannot be stirred, so that the concentration of the electrolyte returning to the storage tank is different from the concentration of the electrolyte in the original electrolyte concentration storage tank in the process of electrolyte circulation, and the concentration of the electrolyte in the storage tank can cause uneven conditions because of incapability of stirring, thereby influencing the stability of the discharge process.
Disclosure of Invention
The utility model aims to provide a storage tank for uniformly mixing high-concentration electrolyte of an all-vanadium battery, so as to solve the problem that the existing storage tank for the electrolyte of the closed all-vanadium battery is difficult to improve the uniformity of the electrolyte in the operation process.
In order to solve the problems, the utility model adopts the following technical means:
the utility model provides a high concentration all vanadium battery electrolyte misce bene storage tank, includes the jar body, the discharging pipe is linked together to the bottom side of jar body, is equipped with the hedging in jar body and mixes liquid mechanism, and the feed end of hedging mixes liquid mechanism is as the backward flow end of electrolyte.
The opposite-flushing liquid mixing mechanism comprises a first liquid supply pipe and a second liquid supply pipe which are mutually communicated, the first liquid supply pipe is communicated with the discharge pipe, first discharge holes are distributed on one surface of the first liquid supply pipe, which faces the second liquid supply pipe, and second discharge holes are distributed on one surface of the second liquid supply pipe, which faces the first liquid supply pipe.
Preferably, the first liquid supply pipe and the second liquid supply pipe are annular pipelines, and the side wall of the tank body is provided with a first clamp for positioning the first liquid supply pipe and a second clamp for positioning the second liquid supply pipe.
Further, the first liquid supply pipe and the second liquid supply pipe are arranged up and down, the annular inner diameters of the first liquid supply pipe and the second liquid supply pipe are the same, and the first liquid supply pipe and the second liquid supply pipe are communicated through vertical connecting pipes.
Further, the plurality of connecting pipes are arranged around the axis of the first liquid supply pipe or the second liquid supply pipe, and the liquid inlet pipe is communicated with the middle position between the two adjacent connecting pipes.
Further, the first discharging hole and the second discharging hole are arranged in a staggered manner.
Furthermore, the top surface of the tank body is also communicated with an exhaust port and a manhole.
The utility model has the following beneficial effects in the using process:
in the process of battery operation, electrolyte flows out from a discharging pipe on the tank body, enters the electric pile for discharging, and after discharging is completed, the electrolyte with concentration change returns to the tank body from a liquid inlet pipe extending out of the tank body along with a pipeline. And in the process that electrolyte returns to the tank body, the electrolyte enters the first liquid supply pipe and the second liquid supply pipe through the liquid inlet pipe, then the electrolyte is sprayed out of the first discharge hole and the second discharge hole on the first liquid supply pipe and the second liquid supply pipe, in the spraying process, the liquid flow sprayed out of the first discharge hole and the liquid flow sprayed out of the second discharge hole collide, so that a torrent is formed, the original electrolyte in the tank body is stirred by utilizing the electrolyte returned to the tank body, and on the one hand, the condition that the discharge is unstable due to uneven concentration when the electrolyte enters a galvanic pile from the tank body is avoided by balancing the concentration of the electrolyte in the clamp block tank body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic top view of the present utility model.
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 1.
Wherein, 1-jar body, 2-discharging pipe, 3-feed liquor pipe, 4-first feed liquor pipe, 5-second feed liquor pipe, 6-first discharge hole, 7-first anchor clamps, 8-second anchor clamps, 9-connecting pipe, 10-gas vent, 11-manhole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, a storage tank for uniformly mixing electrolyte of a high-concentration vanadium battery comprises a tank body 1, wherein the bottom side of the tank body 1 is communicated with a discharge pipe 2, a hedging and mixing mechanism is arranged in the tank body 1, and a feed end of the hedging and mixing mechanism is communicated with a feed end pipe 3 which extends out of the tank body 1 to serve as a reflux end of the electrolyte.
The opposite flushing liquid mixing mechanism comprises a first liquid supply pipe 4 and a second liquid supply pipe 5 which are mutually communicated, the first liquid supply pipe 4 is communicated with the discharge pipe 2, first discharge holes 6 are distributed on one surface of the first liquid supply pipe 4, which faces the second liquid supply pipe 5, and second discharge holes are distributed on one surface of the second liquid supply pipe 5, which faces the first liquid supply pipe 4.
In this way, in the process of battery operation, electrolyte flows out from the discharging pipe 2 on the tank body 1, enters the electric pile for discharging, and after discharging is completed, the electrolyte with concentration change returns into the tank body 1 from the liquid inlet pipe 3 extending out of the tank body 1 along with the pipeline. And in the process that electrolyte returns to the tank body 1, the electrolyte enters the first liquid supply pipe 4 and the second liquid supply pipe 5 through the liquid inlet pipe 3, then is sprayed out of the first discharge hole 6 and the second discharge hole on the first liquid supply pipe 4 and the second liquid supply pipe 5, in the spraying process, the liquid flow sprayed out of the first discharge hole 6 and the liquid flow sprayed out of the second discharge hole collide, so that a torrent is formed, the original electrolyte in the tank body 1 is stirred by the electrolyte returned to the tank body 1, the concentration balance of the electrolyte in the tank body 1 is promoted, and the phenomenon of unstable discharge caused by uneven concentration when the electrolyte enters a galvanic pile from the tank body 1 is avoided.
Furthermore, in order to enable the liquid flows ejected from the first liquid supply pipe 4 and the second liquid supply pipe 5 to apply a large-area disturbance to the interior of the tank 1 and facilitate the entry of a later maintenance person, the first liquid supply pipe 4 and the second liquid supply pipe 5 are both annular pipelines, and the first liquid supply pipe 4 and the second liquid supply pipe 5 are both coaxially arranged with the tank 1; in addition, the side wall of the tank 1 is provided with a first clamp 7 for positioning the first liquid supply pipe 4 and a second clamp 8 for positioning the second liquid supply pipe 5.
Further, the first liquid supply pipe 4 and the second liquid supply pipe 5 are vertically arranged, the annular inner diameter of the first liquid supply pipe 4 and the annular inner diameter of the second liquid supply pipe 5 are the same, and the first liquid supply pipe 4 and the second liquid supply pipe 5 are communicated through a vertical connecting pipe 9.
Meanwhile, a plurality of connecting pipes 9 are arranged around the axis of the first liquid supply pipe 4 or the second liquid supply pipe 5, and the liquid inlet pipe 3 is communicated with the middle position between the two adjacent connecting pipes 9.
Further, the first discharging hole 6 and the second discharging hole are arranged in a staggered manner.
In this way, after the liquid flows are sprayed out of the first discharging hole 6 and the second discharging hole, direct collision is not caused, and two liquid flows in different directions are utilized to form flocculation flow, so that disturbance stirring of the two liquid flows on electrolyte in the tank body 1 is optimized.
Furthermore, the top surface of the tank body 1 is also communicated with an exhaust port 10 and a manhole 11. The manhole is arranged coaxially with the tank 1 so as to facilitate the entry of maintenance personnel. The vent hole with the safety valve is used for preventing the pressure of the electrolyte from exceeding a safety threshold during the operation of the battery.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and scope of the present utility model.
Claims (6)
1. A high concentration all vanadium battery electrolyte misce bene storage tank, its characterized in that: the novel energy-saving tank comprises a tank body (1), wherein the bottom side of the tank body (1) is communicated with a discharging pipe (2), and a suction inlet of the discharging pipe (2) is arranged at the center of the tank body (1); a hedging liquid mixing mechanism is arranged in the tank body (1), and a feeding end of the hedging liquid mixing mechanism is communicated with a liquid inlet pipe (3) which extends out of the tank body (1) to serve as a reflux end of electrolyte; the opposite-flushing liquid mixing mechanism comprises a first liquid supply pipe (4) and a second liquid supply pipe (5) which are communicated with each other, the first liquid supply pipe (4) is communicated with the discharge pipe (2), and first discharge holes (6) are distributed on one surface of the first liquid supply pipe (4) facing the second liquid supply pipe (5); the second liquid supply pipe (5) faces to one surface of the first liquid supply pipe (4) and is provided with second discharging holes.
2. The high-concentration all-vanadium battery electrolyte uniform mixing storage tank according to claim 1, wherein the storage tank is characterized in that: the first liquid supply pipe (4) and the second liquid supply pipe (5) are annular pipelines, and a first clamp (7) for positioning the first liquid supply pipe (4) and a second clamp (8) for positioning the second liquid supply pipe (5) are arranged on the side wall of the tank body (1).
3. The high-concentration all-vanadium battery electrolyte uniform mixing storage tank according to claim 2, wherein the storage tank is characterized in that: the first liquid supply pipe (4) and the second liquid supply pipe (5) are arranged up and down, the annular inner diameters of the first liquid supply pipe (4) and the second liquid supply pipe (5) are the same, and the first liquid supply pipe (4) and the second liquid supply pipe (5) are communicated through a vertical connecting pipe (9).
4. The high-concentration all-vanadium battery electrolyte uniform mixing storage tank according to claim 3, wherein the storage tank is characterized in that: the connecting pipes (9) are arranged around the axis of the first liquid supply pipe (4) or the second liquid supply pipe (5), and the liquid inlet pipe (3) is communicated with the middle position between the two adjacent connecting pipes (9).
5. The high-concentration all-vanadium battery electrolyte uniform mixing storage tank according to any one of claims 1 to 4, wherein the storage tank is characterized in that: the first discharging hole (6) and the second discharging hole are arranged in a staggered manner.
6. The high-concentration all-vanadium battery electrolyte uniform mixing storage tank according to claim 1, wherein the storage tank is characterized in that: the top surface of the tank body (1) is also communicated with an exhaust port (10) and a manhole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814684.XU CN220696386U (en) | 2023-07-11 | 2023-07-11 | High-concentration all-vanadium battery electrolyte mixing uniform storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814684.XU CN220696386U (en) | 2023-07-11 | 2023-07-11 | High-concentration all-vanadium battery electrolyte mixing uniform storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220696386U true CN220696386U (en) | 2024-04-02 |
Family
ID=90452331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321814684.XU Active CN220696386U (en) | 2023-07-11 | 2023-07-11 | High-concentration all-vanadium battery electrolyte mixing uniform storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220696386U (en) |
-
2023
- 2023-07-11 CN CN202321814684.XU patent/CN220696386U/en active Active
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