Electrolyte storage device of flow battery

By using a shunt disk and inlet and outlet components in the liquid flow battery electrolyte storage device, the problems of turbulence and uneven charge distribution of the electrolyte in the liquid storage tank are solved, and the uniform distribution and efficient use of the electrolyte are achieved.

CN222507655UActive Publication Date: 2025-02-18SUQIAN TIMES ENERGY STORAGE TECH CO LTD
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Patent Information

Application Number
CN202420239295.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-01
Publication Date
2025-02-18
Estimated Expiration
2034-02-01

AI Technical Summary

Technical Problem

The liquid flow battery electrolyte has turbulence and uneven charge distribution in the liquid storage tank, resulting in low usage and dead flow.

Method used

A liquid flow battery electrolyte storage device is designed, including a liquid storage tank, a liquid inlet assembly, a liquid outlet assembly and a flow tray. The split disc floats on the surface of the electrolyte, and the split disc is evenly distributed with split holes and split plates. The liquid inlet assembly and liquid outlet assembly are uniformly sprayed and sucked out the electrolyte through the spray head and suction head to avoid the occurrence of turbulence and dead zones.

Benefits of technology

Through the design of the split disc and components, the impact and turbulence of the electrolyte in the liquid storage tank is avoided, and the uniform distribution and efficient use of the electrolyte are achieved, thereby improving the utilization rate of the electrolyte.

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Abstract

The utility model discloses a flow battery electrolyte storage device which comprises a liquid storage tank body, a liquid inlet component is arranged at the upper part in the liquid storage tank body, a liquid outlet component is arranged at the lower part in the liquid storage tank body, a shunting disc is arranged in the liquid storage tank body, the shunting disc floats on the surface of electrolyte in the liquid storage tank body, and a plurality of shunting holes are uniformly distributed on the shunting disc. According to the structure, the electrolyte input into the tank body is shunted through the shunting disc, and the shunting disc is attached to the surface of the electrolyte in the tank in a floating manner, so that the electrolyte on the shunting disc directly flows into the electrolyte below along the shunting holes, and impact and turbulent flow generated when the electrolyte directly enters the tank body can be avoided; the electrolyte is uniformly mixed with the electrolyte in the tank body, and when the electrolyte in the tank needs to be output, the electrolyte outlet assembly at the bottom can uniformly suck out the electrolyte, so that the generation of a dead zone is avoided, and the use efficiency of the electrolyte is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of liquid flow batteries, and in particular relates to an electrolyte storage device for a liquid flow battery. Background Art

[0002] Flow batteries are a new type of battery. Composed of a stack unit, electrolyte, electrolyte storage and supply unit, and management and control unit, they are high-performance batteries that circulate the positive and negative electrolytes separately. They boast high capacity, a wide range of applications (environments), and a long cycle life, making them a promising new energy product.

[0003] During the operation of the battery stack unit, the electrolyte is input from the storage unit to the battery stack unit through the pipeline, and then the electrolyte after the working reaction is transmitted to the electrolyte storage unit through the corresponding pipeline. During the existing storage and use of the electrolyte, the electrolyte flows directly into the liquid storage tank, causing internal impact and turbulence of the liquid, resulting in uneven electrolyte charge distribution in the liquid storage tank. In addition, during the output of the electrolyte, some areas inside the tank form flow dead zones and do not participate in the transmission work, resulting in a low utilization rate of the electrolyte inside the entire liquid storage tank. Summary of the Invention

[0004] The purpose of the present utility model is to solve the problems of turbulence and uneven charge distribution of the electrolyte in the storage tank during the storage and use of the electrolyte, and the formation of flow dead zones in some areas that do not participate in the transmission work, resulting in a low utilization rate of the electrolyte inside the entire storage tank, and so on, thereby providing a liquid flow battery electrolyte storage device.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: it includes a liquid storage tank body, a liquid inlet component is arranged above the inside of the liquid storage tank body, a liquid outlet component is arranged below the inside, a diverter plate is arranged in the liquid storage tank body, the diverter plate floats on the electrolyte surface inside the liquid storage tank body, and a plurality of diverter holes are evenly distributed on the diverter plate.

[0006] Furthermore, a diverter plate is provided on the diverter plate. When the electrolyte is discharged into the diverter plate through the liquid inlet assembly, the diverter plate can divert the electrolyte on the diverter plate to avoid uneven diversion due to more electrolyte in some areas and less electrolyte in other areas on the diverter plate.

[0007] Furthermore, the diverter plate is a plurality of circular plates with diameters from small to large arranged concentrically, and the concentric circles are arranged in sequence, which can further enhance the diversion effect of the diverter plate on the electrolyte, so that the electrolyte in each area can flow evenly into the liquid storage tank body.

[0008] Furthermore, the diversion plate also includes a plurality of partition plates arranged crosswise along the center of the diversion plate, which can further reduce the separation area and make the diversion effect more uniform.

[0009] Furthermore, the liquid inlet assembly includes a liquid inlet nozzle, which is provided with a plurality of spray holes, and can evenly spray the electrolyte on the diverter plate to avoid turbulence of the electrolyte in the tank caused by impact and the generation of dead zones.

[0010] Furthermore, the liquid inlet nozzle is connected by multiple nozzles, and the nozzle holes are evenly distributed on the lower surface of the nozzles. The multiple nozzles are combined into a circular or square structure, which can evenly disperse the electrolyte in various areas of the diversion plate and improve the diversion effect.

[0011] Furthermore, the liquid outlet component includes a liquid outlet suction head, which is provided with a plurality of suction holes. The electrolyte is sucked out through the suction holes, which can reduce the flow changes generated when the electrolyte is discharged, reduce internal turbulence, and avoid the generation of dead zones.

[0012] Furthermore, the liquid outlet suction head is formed by connecting multiple suction pipes, and the suction holes are evenly distributed on the upper surface of the suction pipes. The multiple suction pipes are combined into a circular or square structure, which enables the suction holes to suck out the electrolyte from various areas in the tank body to avoid dead zones.

[0013] Beneficial effects: The structure of the utility model diverts the electrolyte input into the tank body through the diverter plate, and the diverter plate floats on the surface of the electrolyte in the tank, so that the electrolyte on the diverter plate flows directly into the electrolyte below along the diverter hole, which can avoid the impact and turbulence caused by the electrolyte directly entering the tank body, and make the electrolyte evenly mixed with the electrolyte inside the tank body. When the electrolyte in the tank needs to be output, the liquid outlet component at the bottom can evenly suck out the electrolyte, avoid the generation of dead zones, and improve the efficiency of electrolyte use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the diverter disc of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the liquid inlet component of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the liquid outlet component of the utility model.

[0018] In the figure: 1-liquid storage tank body, 2-liquid inlet assembly, 201-liquid inlet nozzle, 202-spray hole, 203-spray pipe, 3-liquid outlet assembly, 301-liquid outlet suction head, 302-suction hole, 303-suction pipe, 4-diverter plate, 401-diverter hole, 402-diverter plate, 4021-partition plate, 100-electrolyte. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] Combine Figures 1 to 4 A liquid flow battery electrolyte storage device shown includes a liquid storage tank body 1, a liquid inlet component 2 is arranged above the inside of the liquid storage tank body 1, a liquid outlet component 3 is arranged below the inside, and a diverter plate 4 is arranged inside the liquid storage tank body 1. The diverter plate 4 floats on the surface of the electrolyte 100 inside the liquid storage tank body 1, and a plurality of diverter holes 401 are evenly distributed on the diverter plate 4.

[0022] It is worth noting that the diverter disc 4 diverts the electrolyte input into the liquid storage tank body 1, and the diverter disc floats on the surface of the electrolyte 100 in the tank, so that the electrolyte on the diverter disc 4 flows directly into the electrolyte 100 below along the diverter hole, which can avoid the impact and turbulence caused by the electrolyte directly entering the liquid storage tank body 1, and make the electrolyte evenly mixed with the electrolyte inside the liquid storage tank body 1. When the electrolyte in the tank needs to be output, the liquid outlet component 3 at the bottom can evenly suck out the electrolyte, avoid the generation of dead zones, and improve the efficiency of electrolyte use. The diverter disc 4 is made of polypropylene or other materials, as long as it can float on the surface of the electrolyte 100 inside the liquid storage tank body 1.

[0023] In this exemplary embodiment, a diverter plate 402 is provided on the diverter plate 4. When the electrolyte is discharged into the diverter plate 4 through the liquid inlet assembly 2, the diverter plate 402 can divert the electrolyte on the diverter plate 4 to avoid uneven diversion caused by more electrolyte in some areas and less electrolyte in other areas on the diverter plate 4.

[0024] In this exemplary embodiment, the diverter plate 402 is a plurality of circular plates arranged concentrically with diameters from small to large. The concentric circles are arranged in sequence, which can further enhance the diversion effect of the diverter plate 4 on the electrolyte, so that the electrolyte in each area can flow evenly into the liquid storage tank body.

[0025] It is worth noting that the diverter plate 402 can be set according to the shape and structure of the diverter disk 4, that is, it can be round, square or other shapes. The essence of the diverter plate 402 is to divert the electrolyte on the diverter disk 4 to achieve a diversion effect.

[0026] In this exemplary embodiment, the diverter plate 402 further includes a plurality of partition plates 4021 arranged crosswise along the center of the diverter plate 4, which can further reduce the separation area and make the diversion effect more uniform.

[0027] It is worth noting that the purpose of setting the partition plate 4021 is to further divide the various areas on the diversion plate 4 and improve the electrolyte diversion effect. Therefore, the setting method of the partition plate 4021 includes but is not limited to cross-setting along the center of the diversion plate 4, and other setting methods may also be used.

[0028] In this exemplary embodiment, the liquid inlet assembly 2 includes a liquid inlet nozzle 201, which is provided with a plurality of spray holes 202, which can evenly spray the electrolyte on the diverter plate 4 to avoid turbulence of the electrolyte in the tank caused by impact and the generation of dead zones.

[0029] In this exemplary embodiment, the liquid inlet nozzle 201 is connected by multiple nozzles 203, and the nozzle holes 202 are evenly distributed on the lower surface of the nozzles 203. The multiple nozzles 203 are combined into a circular or square structure, which can evenly disperse the electrolyte in various areas of the diversion plate 4, thereby improving the diversion effect.

[0030] It is worth noting that the multiple nozzles 203 can be arranged in accordance with the structural shape of the liquid storage tank body 1 and the diverter plate 4, or can be arranged in other shapes. The main purpose is to evenly distribute the spray holes 202 on the nozzles 203 directly above the corresponding diverter plate 4, so that the electrolyte can be evenly sprayed in various areas of the diverter plate 4.

[0031] In this exemplary embodiment, the liquid outlet component 3 includes a liquid outlet nozzle 301, and a plurality of suction holes 302 are provided on the liquid outlet nozzle 301. The electrolyte is sucked out through the suction holes 302, which can reduce the flow changes generated when the electrolyte is discharged, reduce internal turbulence, and avoid the generation of dead zones.

[0032] In this exemplary embodiment, the liquid outlet suction head 301 is composed of multiple suction tubes 303 connected together, and the suction holes 302 are evenly distributed on the upper surface of the suction tubes. The multiple suction tubes 303 are combined into a circular or square structure, which enables the suction holes to suck out the electrolyte from various areas in the liquid storage tank body 1 to avoid dead zones.

[0033] It is worth noting that the multiple suction pipes 303 can also be arranged in accordance with the structural shape of the liquid storage tank body 1 and the diverter plate 4, or can be arranged in other shapes. The main purpose is to evenly distribute the suction holes 302 on the suction pipes 303 directly below the corresponding diverter plate 4, so that the electrolyte 100 in the liquid storage tank body 1 can be evenly sucked out through the evenly distributed suction holes 302, avoiding the existence of electrolyte dead zones.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0035] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A liquid flow battery electrolyte storage device, characterized in that: The invention comprises a liquid storage tank body (1), wherein a liquid inlet assembly (2) is arranged at the upper part of the liquid storage tank body (1), and a liquid outlet assembly (3) is arranged at the lower part of the liquid storage tank body (1), and a diverter plate (4) is arranged inside the liquid storage tank body (1), and the diverter plate (4) floats on the surface of the electrolyte (100) inside the liquid storage tank body (1), and a plurality of diverter holes (401) are evenly distributed on the diverter plate (4).

2. A liquid flow battery electrolyte storage device according to claim 1, characterized in that: The diverter plate (4) is provided with a diverter plate (402).

3. A liquid flow battery electrolyte storage device according to claim 2, characterized in that The diverter plate (402) is a plurality of circular plates arranged concentrically with diameters increasing from small to large.

4. A liquid flow battery electrolyte storage device according to claim 3, characterized in that The diverter plate (402) further comprises a plurality of partition plates (4021) arranged crosswise along the center of the diverter plate (4).

5. A liquid flow battery electrolyte storage device according to any one of claims 1 to 4, characterized in that The liquid inlet component (2) comprises a liquid inlet nozzle (201), and a plurality of spray holes (202) are arranged on the liquid inlet nozzle (201).

6. A liquid flow battery electrolyte storage device according to claim 5, characterized in that The nozzle (201) is formed by connecting a plurality of nozzles (203), and the nozzle holes (202) are evenly distributed on the lower surface of the nozzles (203).

7. A liquid flow battery electrolyte storage device according to any one of claims 1 to 4, characterized in that The liquid outlet component (3) comprises a liquid outlet suction head (301), and a plurality of suction holes (302) are arranged on the liquid outlet suction head (301).

8. A liquid flow battery electrolyte storage device according to claim 7, characterized in that The liquid outlet suction head (301) is formed by connecting a plurality of suction tubes (303), and the suction holes (302) are evenly distributed on the upper surface of the suction tubes (303).