Device for adjusting gas phase pressure of electrolyte storage tank by utilizing mixed gas backflow

By designing a mixed gas return adjustment device, the mixed gas high-pressure storage tank and pressure stabilization tank are used to automatically replenish gas, the problem of low gas pressure inside the electrolyte storage tank is solved, and the stable regulation of gas phase pressure and continuous operation during transportation is achieved.

CN222230250UActive Publication Date: 2024-12-24WUHAN BADERUI NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420968600.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2024-12-24
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

During the storage process, the internal air pressure of the electrolyte storage tank is lower than the normal value due to the discharge of volatile gases, which lacks the active gas replenishment and regulation function, which affects the storage stability.

Method used

A device is designed to adjust the gas phase pressure of the electrolyte tank using mixed gas reflux, including a mixed gas high-pressure storage tank, a pressure stabilizing tank, a negative pressure tank, a solenoid valve and a PLC logic controller. By monitoring the air pressure in real time, it will automatically replenish gas or Discharge to ensure the stability of the internal air pressure of the storage tank.

Benefits of technology

Active adjustment of the gas phase pressure of the electrolyte tank is achieved, the tank sealing performance is enhanced, and the storage tank is continuously operated during transportation without the need for additional power assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for regulating the gas phase pressure of an electrolyte storage tank by utilizing the backflow of mixed gas, which comprises a main fixing plate, a pressure stabilizing tank body is arranged on the left side of the main fixing plate, and a pressure regulating assembly for regulating the gas phase pressure by utilizing the backflow of the mixed gas is arranged on one side of the main fixing plate. According to the device for adjusting the gas phase pressure of the electrolyte storage tank through mixed gas backflow, through the arrangement of the mixed gas high-pressure storage tank, a mixed gas adding valve, a mixed gas exhaust port and a second pressure gauge, when the device is used, a pressure stabilizing tank body and an exhaust valve at the top of the electrolyte storage tank are communicated, and the internal gas pressure of the pressure stabilizing tank body and the internal gas pressure of the electrolyte storage tank tend to be the same; the first electromagnetic valve is automatically opened, mixed gas in the mixed gas high-pressure storage tank enters the storage tank along the mixed gas exhaust port, the mixed gas exhaust pipe, the pressure stabilizing tank gas inlet and the pressure stabilizing tank body, pressurizing and gas supplementing are conducted on the interior of the storage tank, the gas pressure of the storage tank is increased, and the function of active gas supplementing adjustment is achieved; the problem that the device does not have an active air supply adjusting function is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of storage tank accessories, in particular to a device for adjusting the gas phase pressure of an electrolyte storage tank by utilizing mixed gas reflux. Background Art

[0002] Electrolyte is the medium used in chemical batteries, electrolytic capacitors, etc. It is mainly made of special sulfuric acid, distilled water and other raw materials in a certain proportion. It is a liquid chemical raw material and is stored in storage tanks.

[0003] Since electrolyte will produce volatile gas during storage, the tank used to store electrolyte is usually equipped with an exhaust port. It is mainly used to discharge volatile gas. There are some functional deficiencies in actual use, and there is room for improvement. For example, the exhaust port can only discharge volatile gas, but cannot replenish gas in the tank. Especially after part of the electrolyte in the tank is discharged, the gas pressure in the tank will be significantly lower than the normal value, and the storage stability will deteriorate. It can only be left to wait for volatilization to balance the pressure. It is relatively passive and does not have the function of active gas replenishment and regulation.

[0004] Now, a new device for adjusting the gas phase pressure of an electrolyte storage tank by utilizing mixed gas reflux is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a device for adjusting the gas phase pressure of an electrolyte storage tank by utilizing mixed gas reflux, so as to solve the problem of lack of active gas replenishment and adjustment function proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for adjusting the gas phase pressure of an electrolyte storage tank by utilizing mixed gas reflux, comprising a main fixed plate, the bottom end of the main fixed plate is fixedly connected to a bottom supporting plate, a pressure-stabilizing tank body is arranged on the left side of the main fixed plate, a second pressure gauge is installed on the top of the pressure-stabilizing tank body, the bottom end of the main fixed plate is fixedly connected to a storage tank docking pipe, a docking flange is welded to the bottom end of the storage tank docking pipe, and a pressure regulating component for adjusting the gas phase pressure by utilizing mixed gas reflux is arranged on one side of the main fixed plate.

[0007] The pressure regulating assembly includes a mixed gas high-pressure storage tank, which is fixedly connected to the front end of one side of the main fixed plate, the top of the mixed gas high-pressure storage tank is fixedly connected with a mixed gas exhaust port, the front end of the pressure-stabilizing tank body is fixedly connected with a pressure-stabilizing tank air inlet, a mixed gas exhaust pipe is fixedly connected between one side of the pressure-stabilizing tank air inlet and the top of the mixed gas exhaust port, a first solenoid valve is installed on the mixed gas exhaust pipe on a side near the pressure-stabilizing tank air inlet, a rear end of the pressure-stabilizing tank body is fixedly connected with a pressure-stabilizing tank exhaust port, a rear end of one side of the main fixed plate is fixedly connected with a negative pressure tank, the top of the negative pressure tank is fixedly connected with a negative pressure inlet, a first pressure gauge is respectively installed on one side of the mixed gas exhaust port and the negative pressure inlet port, a negative pressure inlet pipe is fixedly connected between the top of the negative pressure inlet port and one side of the pressure-stabilizing tank exhaust port, and a second solenoid valve is installed on a side of the negative pressure inlet pipe near the pressure-stabilizing tank exhaust port.

[0008] Preferably, the mixed gas high-pressure storage tank, the mixed gas exhaust port, the mixed gas discharge pipe, the pressure-stabilizing tank air inlet, and the interior of the pressure-stabilizing tank body are connected, and the pressure-stabilizing tank exhaust port, the negative pressure tank, the negative pressure air inlet, the negative pressure air inlet pipe, and the interior of the pressure-stabilizing tank body are connected.

[0009] Preferably, the first pressure gauge and the second pressure gauge are of the same model, and the first pressure gauge, the first solenoid valve, the second solenoid valve, and the second pressure gauge are electrically connected.

[0010] Preferably, a mixed gas filling valve is provided at the bottom end of the mixed gas high-pressure storage tank, and an exhaust valve is provided at the bottom end of the negative pressure tank.

[0011] Preferably, a docking pipe socket is fixedly connected at the middle position of the bottom end of the docking flange, and a rubber sealing gasket is sleeved on the top end of the outside of the docking pipe socket.

[0012] Preferably, the outer ring of the bottom end of the rubber sealing pad is provided with a plurality of groups of reserved screw eyes, the interiors of the tank butt joint and the butt joint socket are connected, and the outer diameter of the butt joint socket is the same as the inner diameter of the tank butt joint.

[0013] Preferably, a large-capacity lithium battery is fixedly connected at the middle position of one side of the main fixed plate, a PLC logic controller is installed on the top of the large-capacity lithium battery, and control lines are respectively arranged between the top of the PLC logic controller and the bottom ends of the first solenoid valve and the second solenoid valve.

[0014] Preferably, the top ends of the two groups of control lines are respectively connected to the bottom ends of the first solenoid valve and the second solenoid valve, and the first solenoid valve, the second solenoid valve, the large-capacity lithium battery, and the PLC logic controller are electrically connected.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the device for adjusting the gas phase pressure of the electrolyte storage tank by using the mixed gas reflux not only realizes the function of active gas replenishment adjustment, but also realizes the function of strengthening the sealing of the docking position and the function of continuous operation during transportation;

[0016] (1) A mixed gas high-pressure storage tank, a mixed gas filling valve, a mixed gas exhaust port, a first pressure gauge, a mixed gas exhaust pipe, a first solenoid valve, a pressure-stabilizing tank air inlet, a pressure-stabilizing tank exhaust port, a negative pressure tank, an exhaust valve, a negative pressure air inlet, a negative pressure air inlet pipe, a second solenoid valve, a pressure-stabilizing tank body and a second pressure gauge are provided. When in use, the exhaust valves at the top of the pressure-stabilizing tank body and the electrolyte storage tank are connected, and the internal air pressures of the two are similar. The second pressure gauge senses the air pressure inside the pressure-stabilizing tank body in real time. When the air pressure is higher than When the safety value is reached, the second solenoid valve opens automatically, and the excess gas is sent into the negative pressure tank through the pressure stabilizing tank body, the pressure stabilizing tank exhaust port, the negative pressure air inlet pipe, and the negative pressure air inlet port, and the air pressure in the storage tank drops. When the air pressure in the storage tank is low, the first solenoid valve opens automatically, and the mixed gas in the mixed gas high-pressure storage tank enters the storage tank along the mixed gas exhaust port, the mixed gas discharge pipe, the pressure stabilizing tank air inlet, and the pressure stabilizing tank body, and the internal gas is pressurized and replenished, so that the air pressure rises, realizing the function of active gas replenishment regulation;

[0017] (2) By providing a docking flange, a docking pipe socket, a rubber sealing gasket and a reserved screw eye, when the pressure-stabilizing tank body and the exhaust valve at the top of the electrolyte storage tank are docked, the docking pipe socket is inserted along the opening at the top of the exhaust valve, and the rubber sealing gasket at the bottom of the docking flange is tightly attached to the flange at the top of the exhaust valve. Bolts are driven into the reserved screw eye to fix it. The docking pipe socket extending downward and the rubber sealing gasket cooperate to further improve the sealing performance, reduce the probability of leakage, and realize the function of strengthening the sealing at the docking position;

[0018] (3) By providing a large-capacity lithium battery, a PLC logic controller and a control line, when in use, the first solenoid valve and the second solenoid valve are the key to controlling the air supply and exhaust. The first solenoid valve, the second solenoid valve and the PLC logic controller are connected through the control line, and the operation logic of the two is controlled by the PLC logic controller. The large-capacity lithium battery provides energy support for the operation of the first solenoid valve, the second solenoid valve and the PLC logic controller. During transportation, the large-capacity lithium battery can temporarily provide energy for the operation of the equipment, without the need for additional power supply equipment on the vehicle, thereby realizing the function of continuous operation during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the side structure of the main fixing plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the top view of the pressure-stabilizing tank body of the utility model;

[0022] Figure 4 It is a schematic diagram of the enlarged structure of the butt flange of the utility model when viewed from above.

[0023] In the figure: 1. Main fixing plate; 2. Bottom supporting plate; 3. Mixed gas high-pressure storage tank; 4. Mixed gas filling valve; 5. Mixed gas exhaust port; 6. First pressure gauge; 7. Mixed gas discharge pipe; 8. First solenoid valve; 9. Pressure-stabilizing tank air inlet; 10. Pressure-stabilizing tank exhaust port; 11. Negative pressure tank; 12. Exhaust valve; 13. Negative pressure air inlet; 14. Negative pressure air inlet pipe; 15. Second solenoid valve; 16. Pressure-stabilizing tank body; 17. Second pressure gauge; 18. Storage tank butt joint; 19. Butt joint flange; 20. Butt joint socket; 21. Rubber sealing pad; 22. Reserved screw eye; 23. Large-capacity lithium battery; 24. PLC logic controller; 25. Control line. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , a device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux, comprising a main fixed plate 1, a bottom supporting plate 2 is fixedly connected to the bottom end of the main fixed plate 1, a pressure stabilizing tank body 16 is arranged on the left side of the main fixed plate 1, a second pressure gauge 17 is installed on the top of the pressure stabilizing tank body 16, a storage tank butt pipe 18 is fixedly connected to the bottom end of the main fixed plate 1, a butt flange 19 is welded to the bottom end of the storage tank butt pipe 18, and a pressure regulating component for adjusting the gas phase pressure by using mixed gas reflux is arranged on one side of the main fixed plate 1;

[0026] See also Figure 1-4A device for regulating the gas phase pressure of an electrolyte storage tank by using mixed gas reflux also includes a pressure regulating component, the pressure regulating component includes a mixed gas high-pressure storage tank 3, the mixed gas high-pressure storage tank 3 is fixedly connected to the front end of one side of the main fixed plate 1, the top of the mixed gas high-pressure storage tank 3 is fixedly connected with a mixed gas exhaust port 5, the front end of the pressure stabilizing tank body 16 is fixedly connected with a pressure stabilizing tank air inlet 9, a mixed gas discharge pipe 7 is fixedly connected between one side of the pressure stabilizing tank air inlet 9 and the top of the mixed gas exhaust port 5, and the mixed gas discharge pipe 7 is near one side of the pressure stabilizing tank air inlet 9 A first solenoid valve 8 is installed, a pressure stabilizing tank exhaust port 10 is fixedly connected to the rear end of the pressure stabilizing tank body 16, a negative pressure tank 11 is fixedly connected to the rear end of one side of the main fixed plate 1, a negative pressure inlet 13 is fixedly connected to the top of the negative pressure tank 11, a first pressure gauge 6 is installed on one side of the mixed gas exhaust port 5 and the negative pressure inlet 13, a negative pressure inlet pipe 14 is fixedly connected between the top of the negative pressure inlet 13 and one side of the pressure stabilizing tank exhaust port 10, and a second solenoid valve 15 is installed on the side of the negative pressure inlet pipe 14 near the pressure stabilizing tank exhaust port 10;

[0027] The mixed gas high-pressure storage tank 3, the mixed gas exhaust port 5, the mixed gas discharge pipe 7, the pressure-stabilizing tank air inlet 9, and the interior of the pressure-stabilizing tank body 16 are connected, the pressure-stabilizing tank exhaust port 10, the negative pressure tank 11, the negative pressure air inlet 13, the negative pressure air inlet pipe 14, and the interior of the pressure-stabilizing tank body 16 are connected, the first pressure gauge 6 and the second pressure gauge 17 are of the same model, the first pressure gauge 6, the first solenoid valve 8, the second solenoid valve 15, and the second pressure gauge 17 are electrically connected, the bottom end of the mixed gas high-pressure storage tank 3 is provided with a mixed gas filling valve 4, and the bottom end of the negative pressure tank 11 is provided with an exhaust valve 12, which can automatically replenish and release air to adjust the tank pressure;

[0028] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the second pressure gauge 17 senses the air pressure inside the pressure-stabilizing tank body 16 in real time. When the air pressure is higher than the safety value, the second solenoid valve 15 opens automatically, and the excess gas is sent into the negative pressure tank 11 through the pressure-stabilizing tank body 16, the pressure-stabilizing tank exhaust port 10, the negative pressure air inlet pipe 14, and the negative pressure air inlet 13, and the air pressure in the storage tank drops. When the air pressure in the storage tank is low, the first solenoid valve 8 opens automatically, and the mixed gas in the mixed gas high-pressure storage tank 3 enters the storage tank along the mixed gas exhaust port 5, the mixed gas discharge pipe 7, the pressure-stabilizing tank air inlet 9, and the pressure-stabilizing tank body 16, and the interior is pressurized and replenished with air to increase its air pressure.

[0029] Embodiment 2: A butt joint pipe socket 20 is fixedly connected at the middle position of the bottom end of the butt joint flange 19, a rubber sealing gasket 21 is sleeved on the top end of the outside of the butt joint pipe socket 20, and a plurality of groups of reserved screw eyes 22 are arranged on the outer ring of the bottom end of the rubber sealing gasket 21. The storage tank butt joint pipe 18 and the inside of the butt joint pipe socket 20 are connected, and the outer diameter of the butt joint pipe socket 20 is the same as the inner diameter of the storage tank butt joint pipe 18, which can increase the sealing performance of the butt joint position;

[0030] Specifically, Figure 1 and Figure 4 As shown, the butt joint socket 20 is inserted along the opening at the top of the exhaust valve, the rubber sealing gasket 21 at the bottom of the butt flange 19 is close to the flange at the top of the exhaust valve, and bolts are driven into the reserved screw holes 22 to fix it. The downwardly extended butt joint socket 20 and the rubber sealing gasket 21 cooperate to further improve the sealing performance and reduce the chance of leakage.

[0031] Embodiment 3: A large-capacity lithium battery 23 is fixedly connected at the middle position of one side of the main fixed plate 1, a PLC logic controller 24 is installed on the top of the large-capacity lithium battery 23, control lines 25 are respectively arranged between the top of the PLC logic controller 24 and the bottom ends of the first solenoid valve 8 and the second solenoid valve 15, the top ends of the two groups of control lines 25 are respectively connected to the bottom ends of the first solenoid valve 8 and the second solenoid valve 15, the first solenoid valve 8, the second solenoid valve 15, the large-capacity lithium battery 23, and the PLC logic controller 24 are electrically connected, which can power the solenoid valves and maintain pressure regulation during transportation;

[0032] Specifically, Figure 2 and Figure 3 As shown, the first solenoid valve 8, the second solenoid valve 15 and the PLC logic controller 24 are connected via a control line 25, and the operation logic of the two is controlled by the PLC logic controller 24. The large-capacity lithium battery 23 provides energy support for the operation of the first solenoid valve 8, the second solenoid valve 15 and the PLC logic controller 24. During transportation, the large-capacity lithium battery 23 can temporarily provide energy for the operation of the equipment without the need for additional power supply equipment on the vehicle.

[0033] Working principle: When the utility model is in use, first, the exhaust valves at the top of the pressure-stabilizing tank body 16 and the electrolyte storage tank are connected, and the internal air pressures of the two are similar. The second pressure gauge 17 senses the air pressure inside the pressure-stabilizing tank body 16 in real time. When the air pressure is higher than the safety value, the second solenoid valve 15 opens automatically, and the excess gas is sent into the negative pressure tank 11 through the pressure-stabilizing tank body 16, the pressure-stabilizing tank exhaust port 10, the negative pressure air inlet pipe 14, and the negative pressure air inlet port 13, and the air pressure in the storage tank drops. When the air pressure in the storage tank is low, the first solenoid valve 8 opens automatically, and the mixed gas in the mixed gas high-pressure storage tank 3 enters the storage tank along the mixed gas exhaust port 5, the mixed gas discharge pipe 7, the pressure-stabilizing tank air inlet port 9, and the pressure-stabilizing tank body 16, and the interior is pressurized and replenished with air to increase its air pressure. When the pressure-stabilizing tank body 16 and the exhaust valve at the top of the electrolyte storage tank are docked, the docking pipe socket 20 is inserted along the opening at the top of the exhaust valve, and the rubber sealing gasket 21 at the bottom of the docking flange 19 is close to the flange at the top of the exhaust valve. Bolts are driven into the reserved screw holes 22 to fix them. The downwardly extending docking pipe socket 20 and the rubber sealing gasket 21 cooperate to further increase the sealing performance and reduce the probability of leakage. The first solenoid valve 8 and the second solenoid valve 15 are the key to controlling air replenishment and exhaust. The first solenoid valve 8, the second solenoid valve 15 and the PLC logic controller 24 are docked through the control line 25. The operation logic of the two is controlled by the PLC logic controller 24. The large-capacity lithium battery 23 provides energy support for the operation of the first solenoid valve 8, the second solenoid valve 15 and the PLC logic controller 24. During transportation, the large-capacity lithium battery 23 can temporarily provide energy for the operation of the equipment without the need for additional power supply assembly on the vehicle.

[0034] It is obvious 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 features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux, comprising a main fixing plate (1), characterized in that: The bottom end of the main fixed plate (1) is fixedly connected to a bottom supporting plate (2); a pressure stabilizing tank body (16) is arranged on the left side of the main fixed plate (1); a second pressure gauge (17) is installed on the top of the pressure stabilizing tank body (16); the bottom end of the main fixed plate (1) is fixedly connected to a storage tank butt pipe (18); a butt flange (19) is welded to the bottom end of the storage tank butt pipe (18); and a pressure regulating component for regulating the gas phase pressure by utilizing the mixed gas reflux is arranged on one side of the main fixed plate (1); The pressure regulating assembly comprises a mixed gas high pressure storage tank (3), the mixed gas high pressure storage tank (3) is fixedly connected to the front end of one side of the main fixed plate (1), the top end of the mixed gas high pressure storage tank (3) is fixedly connected to a mixed gas exhaust port (5), the front end of the pressure stabilizing tank body (16) is fixedly connected to a pressure stabilizing tank air inlet (9), a mixed gas discharge pipe (7) is fixedly connected between one side of the pressure stabilizing tank air inlet (9) and the top end of the mixed gas exhaust port (5), a first solenoid valve (8) is installed on the side of the mixed gas discharge pipe (7) near the pressure stabilizing tank air inlet (9), and the pressure stabilizing tank body (16) is fixedly connected to a mixed gas discharge pipe (7). The rear end of the main fixed plate (6) is fixedly connected to a pressure stabilizing tank exhaust port (10), the rear end of one side of the main fixed plate (1) is fixedly connected to a negative pressure tank (11), the top end of the negative pressure tank (11) is fixedly connected to a negative pressure air inlet (13), the mixed gas exhaust port (5) and one side of the negative pressure air inlet (13) are respectively installed with a first pressure gauge (6), a negative pressure air inlet pipe (14) is fixedly connected between the top end of the negative pressure air inlet (13) and one side of the pressure stabilizing tank exhaust port (10), and a second solenoid valve (15) is installed on the side of the negative pressure air inlet pipe (14) close to the pressure stabilizing tank exhaust port (10).

2. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 1, characterized in that: The mixed gas high-pressure storage tank (3), the mixed gas exhaust port (5), the mixed gas exhaust pipe (7), the pressure stabilizing tank air inlet (9), and the interior of the pressure stabilizing tank body (16) are interconnected, and the pressure stabilizing tank exhaust port (10), the negative pressure tank (11), the negative pressure air inlet (13), the negative pressure air inlet pipe (14), and the interior of the pressure stabilizing tank body (16) are interconnected.

3. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 1, characterized in that: The first pressure gauge (6) and the second pressure gauge (17) are of the same model; the first pressure gauge (6), the first solenoid valve (8), the second solenoid valve (15), and the second pressure gauge (17) are electrically connected.

4. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 1, characterized in that: The bottom end of the mixed gas high-pressure storage tank (3) is provided with a mixed gas filling valve (4), and the bottom end of the negative pressure tank (11) is provided with an exhaust valve (12).

5. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 1, characterized in that: A butt-joint pipe socket (20) is fixedly connected at the middle position of the bottom end of the butt-joint flange (19), and a rubber sealing pad (21) is sleeved on the top end of the outside of the butt-joint pipe socket (20).

6. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 5, characterized in that: The outer ring of the bottom end of the rubber sealing pad (21) is provided with a plurality of groups of reserved screw eyes (22), the interiors of the storage tank butt pipe (18) and the butt pipe socket (20) are connected, and the outer diameter of the butt pipe socket (20) is the same as the inner diameter of the storage tank butt pipe (18).

7. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 1, characterized in that: A large-capacity lithium battery (23) is fixedly connected at the middle position of one side of the main fixed plate (1), a PLC logic controller (24) is installed on the top of the large-capacity lithium battery (23), and control lines (25) are respectively arranged between the top of the PLC logic controller (24) and the bottom ends of the first solenoid valve (8) and the second solenoid valve (15).

8. The device for adjusting the gas phase pressure of an electrolyte storage tank by using mixed gas reflux according to claim 7, characterized in that: The top ends of the two groups of control lines (25) are respectively connected to the bottom ends of the first solenoid valve (8) and the second solenoid valve (15), and the first solenoid valve (8), the second solenoid valve (15), the large-capacity lithium battery (23), and the PLC logic controller (24) are electrically connected.