Special electrolyte preparation device for all-vanadium redox flow battery

Abstract

The utility model discloses a special electrolyte preparation device for an all-vanadium redox flow battery, which comprises a preparation tank, one side of the top end of the preparation tank is provided with a feed port, the middle position of the bottom end of the preparation tank is provided with a discharge port, the bottom of the front end of the preparation tank is provided with a controller, one side of the preparation tank is provided with a liquid level meter, and the other side of the preparation tank is provided with a liquid outlet. An aeration pipe is arranged at the bottom end of the inner side wall of the preparation tank. The aeration disturbance assembly is arranged at the bottom end of the inner side wall of the preparation tank, when electrolyte is prepared, wind is blown out through the draught fan and conveyed into the aeration pipe through the air conveying pipe, and meanwhile air is discharged from the inner bottom end of the preparation tank through the air outlet, so that the purpose of disturbing flowing of liquid in the preparation tank is achieved; therefore, the mobility of electrolyte preparation solvents in the preparation tank is effectively improved, the electrolyte preparation solvents are mixed more quickly and uniformly, the electrolyte preparation efficiency of the device is improved, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolyte preparation, in particular to a special electrolyte preparation device for all-vanadium liquid flow battery. Background Art

[0002] All-vanadium liquid flow battery is a redox battery with vanadium as active material in a circulating flowing liquid state. It has the advantages of high energy storage efficiency, long cycle life, safety and reliability, high cost performance, etc. It conforms to the environmental protection concept of harmonious development of economy and environment. The electrolyte is the key material of all-vanadium liquid flow battery, and the electrolyte needs to be produced and prepared using a dedicated preparation device;

[0003] An electrolyte preparation device disclosed in the utility model with authorization announcement number CN219400109U belongs to the technical field of electrolyte preparation, including a preparation cylinder, an inner discharge pipe is arranged at the bottom of the preparation cylinder, a liquid feed pipe is arranged on the surface of the inner discharge pipe, the inner discharge pipe and the liquid feed pipe are integrated into a structure, a liquid feed plate is arranged on the outer surface of the preparation cylinder, a fixed plate opening is arranged inside the liquid feed plate, a discharge port is opened inside the fixed plate opening, a side of the discharge port close to the preparation cylinder is through-connected with the liquid feed pipe, and a suction and compression pipe is clamped on the outer surface of the discharge port; by arranging the discharge port, the external plate, the suction and compression pipe and other mechanisms, the device is ensured to be simple and convenient to use, and the replacement cost is extremely low, which is convenient for cleaning and convenient for use of the device, and there is no need to clean the discharge port regularly, and it can be directly replaced. Under the premise of ensuring that it will not react with the internal liquid, the cleanliness of the device can be guaranteed as much as possible. However, during the application of this technical solution, concentrated sulfuric acid and distilled water cannot be effectively mixed to obtain a dilute sulfuric acid solution, i.e., an electrolyte. There is a technical problem that the solution used to prepare the electrolyte cannot be fully mixed to prepare the electrolyte efficiently and with guaranteed quality. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a special electrolyte preparation device for all-vanadium liquid flow batteries, which can solve the technical problem that concentrated sulfuric acid and distilled water cannot be effectively mixed to obtain a dilute sulfuric acid solution, i.e., the electrolyte, and the solution used to prepare the electrolyte cannot be fully mixed to prepare the electrolyte with high efficiency and quality.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a special electrolyte preparation device for all-vanadium liquid flow batteries, comprising a preparation tank, a feed port is provided on one side of the top of the preparation tank, a discharge port is provided at the middle position of the bottom of the preparation tank, a controller is provided at the bottom of the front end of the preparation tank, a liquid level gauge is provided on one side of the preparation tank, an aeration pipe is provided at the bottom end of the inner side wall of the preparation tank, an air outlet is provided on the inner side of the aeration pipe, a fan is provided on the other side of the top of the preparation tank, an air supply pipe is provided at the output end of the fan, and a reinforcement component is provided on the inner side wall of the preparation tank.

[0006] As a preferred technical solution of the utility model, the bottom end of the gas delivery pipe passes through the bottom of one side of the preparation tank and is fixedly connected to one side of the aeration pipe, and the gas delivery pipe and the aeration pipe are connected.

[0007] As a preferred technical solution of the utility model, the aeration tube is annular, and the air outlets are provided in four groups, and the air outlets are arranged at equal intervals on the inner side of the aeration tube.

[0008] As a preferred technical solution of the utility model, the bottom end of the liquid level gauge passes through the bottom of the other side of the preparation tank, and the liquid level gauge is connected to the interior of the preparation tank.

[0009] As a preferred technical solution of the utility model, the reinforcement component includes a protective inner shell, which is arranged on the inner side wall of the preparation tank, a connecting vertical plate is arranged between the outer side of the protective inner shell and the inner side of the preparation tank, and the inner side wall of the protective inner shell is provided with an anti-corrosion coating.

[0010] As a preferred technical solution of the utility model, the connecting vertical plates are arranged at equal intervals between the outer side of the protective inner shell and the inner side of the preparation tank, and the anti-corrosion coating is evenly distributed on the inner side wall of the protective inner shell.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. An aeration disturbance component is arranged at the bottom of the inner side wall of the preparation tank. When preparing the electrolyte, wind is blown out by the fan and transported to the inside of the aeration pipe through the air pipe. At the same time, air is discharged from the bottom of the preparation tank through the air outlet to achieve the purpose of disturbing the flow of the liquid in the preparation tank, thereby effectively improving the fluidity of the electrolyte preparation solvent in the preparation tank, making the electrolyte preparation solvents mix faster and more evenly, improving the electrolyte preparation efficiency of the device, and making it more practical;

[0013] 2. A reinforcing component is provided on the inner side wall of the preparation tank, and the protective inner shell is provided on the inner side of the preparation tank during use. The protective inner shell is fixedly connected to the preparation tank by connecting vertical plates, and an anti-corrosion coating is provided on the inner side of the protective inner shell. The structural strength of the preparation device is improved by the protective inner shell, and the anti-corrosion coating makes the inner side wall of the device more corrosion-resistant, thereby further improving the safety performance of the electrolyte preparation device and extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of a partial cross-sectional structure of a preparation tank of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the preparation tank of the utility model when viewed from above.

[0018] Among them: 1. Preparation tank; 2. Controller; 3. Liquid level meter; 4. Feed inlet; 5. Fan; 6. Gas pipe; 7. Discharge port; 8. Aeration pipe; 9. Protective inner shell; 10. Connecting vertical plate; 11. Anti-corrosion coating; 12. Gas outlet. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified. Example

[0020] Please refer to Figure 1-4 As shown, the utility model provides a special electrolyte preparation device for all-vanadium liquid flow battery, including a preparation tank 1, a feed port 4 is arranged on one side of the top of the preparation tank 1, a discharge port 7 is arranged at the middle position of the bottom of the preparation tank 1, a controller 2 is arranged at the bottom of the front end of the preparation tank 1, a liquid level gauge 3 is arranged on one side of the preparation tank 1, the bottom end of the liquid level gauge 3 passes through the bottom of the other side of the preparation tank 1, and the liquid level gauge 3 is connected to the inside of the preparation tank 1, and the liquid level of the solution in the preparation tank 1 is measured by the liquid level gauge 3, so as to control the amount of solution preparation;

[0021] As a further implementation of this embodiment, Figure 1-4 As shown, an annular aeration pipe 8 is provided at the bottom end of the inner side wall of the preparation tank 1, a fan 5 is provided on the other side of the top of the preparation tank 1, and an air supply pipe 6 is provided at the output end of the fan 5. The bottom end of the air supply pipe 6 passes through the bottom of one side of the preparation tank 1 and is fixedly connected to one side of the aeration pipe 8, and the air supply pipe 6 and the aeration pipe 8 are communicated. Wind is blown out by the fan 5 and transported to the inside of the aeration pipe 8 through the air supply pipe 6. An air outlet 12 is provided on the inner side of the aeration pipe 8. Four groups of air outlets 12 are arranged at equal intervals on the inner side of the aeration pipe 8. Air is discharged from the bottom end of the preparation tank 1 through the air outlet 12 to achieve the purpose of disturbing the flow of liquid in the preparation tank 1, thereby effectively improving the fluidity of the electrolyte preparation solvent in the preparation tank 1, making the electrolyte preparation solvents mix faster and more evenly, improving the electrolyte preparation efficiency of the device, and making it more practical.

[0022] When preparing the electrolyte, wind is blown out by the fan 5 and transported to the inside of the aeration pipe 8 through the air pipe 6. At the same time, air is discharged from the bottom of the preparation tank 1 through the air outlet 12 to disturb the flow of the liquid in the preparation tank 1, thereby improving the fluidity of the electrolyte preparation solvent in the preparation tank 1, so that the electrolyte preparation solvent is mixed faster and more evenly;

[0023] As a further implementation of this embodiment, as shown in FIG. 4 , the inner side wall of the preparation tank 1 is provided with a reinforcement component, and the reinforcement component includes a protective inner shell 9, and the protective inner shell 9 is arranged on the inner side wall of the preparation tank 1, and a connecting vertical plate 10 is provided between the outer side of the protective inner shell 9 and the inner side of the preparation tank 1, and the connecting vertical plates 10 are arranged at equal intervals between the outer side of the protective inner shell 9 and the inner side of the preparation tank 1, and the protective inner shell 9 is fixedly connected to the preparation tank 1 by the connecting vertical plates 10, thereby effectively improving the structural strength of the preparation device, and the inner side wall of the protective inner shell 9 is provided with an anti-corrosion coating 11, and the anti-corrosion coating 11 is evenly distributed on the inner side wall of the protective inner shell 9, and the anti-corrosion coating 11 makes the inner side wall of the device more anti-corrosive, thereby further improving the safety performance of the electrolyte preparation device and extending the service life of the device;

[0024] When in use, the protective inner shell 9 is arranged on the inner side of the preparation tank 1, and the protective inner shell 9 is fixedly connected to the preparation tank 1 by connecting the vertical plate 10, and an anti-corrosion coating 11 is arranged on the inner side of the protective inner shell 9, so that the structural strength of the preparation device is improved by the protective inner shell 9, and the anti-corrosion coating 11 makes the corrosion resistance of the inner side wall of the device higher;

[0025] Specific working principle:

[0026] When the electrolyte preparation device is used, the electrolyte preparation solution is quantitatively added to the interior of the preparation tank 1 through the feed port 4, and the amount of solution added is measured by the liquid level meter 3. Then the processing worker controls the start-up fan 5 through the controller 2 to blow out wind and transports it to the interior of the aeration pipe 8 through the air pipe 6. At the same time, the air is discharged from the bottom of the preparation tank 1 through the air outlet 12 to disturb the flow of liquid in the preparation tank 1, thereby improving the fluidity of the electrolyte preparation solvent in the preparation tank 1, so that the electrolyte preparation solvents are mixed faster and more evenly. The prepared electrolyte is output through the discharge port 7. In addition, the structural strength of the preparation device is improved by the protective inner shell 9, and the corrosion resistance of the internal side wall of the device is improved by the anti-corrosion coating 11, making the device safer and more durable, thereby realizing efficient and safe electrolyte preparation operations.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for preparing electrolyte for all-vanadium redox flow battery, comprising a preparation tank (1), characterized in that: A feed port (4) is provided on one side of the top end of the preparation tank (1), a discharge port (7) is provided at the middle position of the bottom end of the preparation tank (1), a controller (2) is provided at the bottom of the front end of the preparation tank (1), a liquid level gauge (3) is provided on one side of the preparation tank (1), an aeration pipe (8) is provided at the bottom end of the inner side wall of the preparation tank (1), an air outlet (12) is provided on the inner side of the aeration pipe (8), a fan (5) is provided on the other side of the top end of the preparation tank (1), an air supply pipe (6) is provided at the output end of the fan (5), and a reinforcement component is provided on the inner side wall of the preparation tank (1).

2. The device for preparing electrolyte for all-vanadium redox flow battery according to claim 1, characterized in that: The bottom end of the gas delivery pipe (6) passes through the bottom of one side of the preparation tank (1) and is fixedly connected to one side of the aeration pipe (8), and the gas delivery pipe (6) and the aeration pipe (8) are connected.

3. The device for preparing electrolyte for all-vanadium redox flow battery according to claim 1, characterized in that: The aeration pipe (8) is annular, and the air outlets (12) are provided in four groups, and the air outlets (12) are arranged at equal intervals on the inner side of the aeration pipe (8).

4. The device for preparing electrolyte for all-vanadium redox flow battery according to claim 1, characterized in that: The bottom end of the liquid level meter (3) passes through the bottom of the other side of the preparation tank (1), and the liquid level meter (3) is connected to the interior of the preparation tank (1).

5. The device for preparing electrolyte for all-vanadium redox flow battery according to claim 1, characterized in that: The reinforcement component comprises a protective inner shell (9), the protective inner shell (9) being arranged on the inner side wall of the preparation tank (1), a connecting vertical plate (10) being arranged between the outer side of the protective inner shell (9) and the inner side of the preparation tank (1), and an anti-corrosion coating (11) being arranged on the inner side wall of the protective inner shell (9).

6. The device for preparing electrolyte for all-vanadium redox flow battery according to claim 5, characterized in that: The connecting vertical plates (10) are arranged at equal intervals between the outer side of the protective inner shell (9) and the inner side of the preparation tank (1), and the anti-corrosion coating (11) is evenly distributed on the inner side wall of the protective inner shell (9).

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