Sodium-ion battery electrolyte cyclic regeneration device

Abstract

The utility model discloses a sodium ion battery electrolyte cyclic regeneration device which comprises a device main body and a stirring barrel, a stirring barrel is mounted at the top of the device main body, two feeding holes are formed in one end of the stirring barrel, a stirring mechanism is arranged in the stirring barrel, a filtering mechanism is arranged in the device main body, the stirring mechanism comprises a motor mounted at the top of the stirring barrel, a stirring rod is mounted at one end of the motor, and a mounting ring is mounted on the side surface of the stirring rod; a plurality of connecting rods are mounted at one end of the mounting ring; according to the electrolyte stirring device, the stirring rod, the flow guide sleeve and the like are arranged, the stirring rod rotates to adjust the cutting knife to cut and stir impurities in electrolyte, and the electrolyte continuously and circularly flows in the stirring barrel through blocking of the flow guide sleeve and through holes in the flow guide sleeve, so that up-down turning turbulent flow is formed, and sufficient circulation and mixing are achieved; part of impurities and waste gas in the electrolyte are absorbed by the activated carbon layer, and the stirred electrolyte is discharged from the discharge hole, so that the electrolyte is convenient to collect and recycle.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolyte circulation and regeneration, in particular to an electrolyte circulation and regeneration device for sodium-ion batteries. Background Technique

[0002] A sodium-ion battery is a secondary battery, and its working principle mainly depends on the movement of sodium ions between the positive electrode and the negative electrode to achieve the charge and discharge process. This battery is similar to a lithium-ion battery in structure and working principle, but has unique advantages. For example, the raw materials have rich reserves and low prices. The sodium-ion battery has a relatively high energy density, which can reach a level comparable to that of lithium iron phosphate batteries, and has an obvious cost advantage. It is expected to replace traditional lead-acid batteries in the field of large-scale energy storage. In addition, the sodium-ion battery also performs well in low-temperature performance and fast charging, and is especially suitable for alpine regions and high-power application scenarios.

[0003] When the electrolyte is recycled, impurities in the electrolyte need to be filtered out. The existing electrolyte needs to be processed manually during treatment, and the treatment steps are relatively cumbersome. There is a lack of structures for collecting and reusing metal impurities, which reduces the use efficiency of electrolyte regeneration. Therefore, an electrolyte circulation and regeneration device for sodium-ion batteries is needed to meet people's needs. Content of the Utility Model

[0004] The purpose of the utility model is to provide an electrolyte circulation and regeneration device for sodium-ion batteries to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An electrolyte circulation and regeneration device for sodium-ion batteries, including a device main body and a stirring barrel; a stirring barrel is installed on the top of the device main body, two feeding ports are arranged at one end of the stirring barrel, a stirring mechanism is arranged in the stirring barrel, and a filtering mechanism is arranged in the device main body;

[0006] Preferably, the stirring mechanism includes a motor installed on the top of the stirring barrel, a stirring rod is installed at one end of the motor, an installation ring is installed on the side of the stirring rod, a plurality of connecting rods are installed at one end of the installation ring, a diversion sleeve is installed at one end of the connecting rod, a limiting sleeve adapted to the stirring rod is installed at one end of the installation ring, a plurality of cutting knives are installed on the side of the stirring rod, a plurality of activated carbon layers are installed on the inner wall of the stirring barrel, and a discharge port adapted to the device main body is opened at the bottom of the stirring barrel.

[0007] Preferably, the filtering mechanism includes a liquid tank installed in the device body, symmetrical slide grooves are provided on the sides of the device body, sliders adapted to the slide grooves are installed at both ends of the liquid tank, a baffle is installed at one end of the liquid tank, a fixed block is installed on the side of the baffle, a movable groove is provided at one end of the device body, a card block adapted to the fixed block is installed in the movable groove, a spring is provided in the movable groove, and a toggle block is installed at one end of the card block.

[0008] Preferably, a mounting opening adapted to the mixing barrel is provided at one end of the device body, a top cover is installed on the top of the mixing barrel, and the top cover is connected to the feed port.

[0009] Preferably, one end of the stirring rod is connected to the output end of the motor, and the limiting sleeve is rotatably mounted on the side of the stirring rod.

[0010] Preferably, a plurality of limiting grooves are provided on the side of the liquid storage box, a plurality of filter cartridges are installed in the liquid storage box, and limiting blocks adapted to the limiting grooves are installed on the side of the filter cartridges.

[0011] Preferably, a slot is provided at one end of the baffle, and a handle adapted to the slot is installed at one end of the liquid tank.

[0012] Preferably, one end of the spring is mounted on the inner wall of the movable groove, and the other end of the spring is mounted on the clamping block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model provides a stirring rod and a guide sleeve, etc., and the cutting knife is mobilized by the rotation of the stirring rod to cut and stir the impurities in the electrolyte. The electrolyte is continuously circulated in the stirring barrel through the obstruction of the guide sleeve and the perforations on the guide sleeve, forming an up and down turbulent flow, which is fully circulated and mixed. Part of the impurities and waste gas in the electrolyte are absorbed by the activated carbon layer, and the electrolyte after stirring is discharged from the discharge port, which is convenient for collection and recycling.

[0015] (2) The utility model provides a liquid tank and a slider, etc., and filters the stirred electrolyte through multiple filter cartridges in the liquid tank to further absorb metal impurities and other substances in the electrolyte. The filter cartridges can be taken out of the liquid tank through the limit groove to recover the metal impurities. The liquid tank is installed in the main body of the device by abutting the fixed block on the side of the baffle with the block in the liquid tank. This makes it more stable when collecting the electrolyte, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a sodium ion battery electrolyte recycling and regeneration device proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional structure diagram of structures such as the stirring rod and the diversion sleeve of a sodium-ion battery electrolyte circulation and regeneration device proposed by the present utility model;

[0018] Figure 3 This is a schematic structure diagram of structures such as the liquid filling tank and the baffle of a sodium-ion battery electrolyte circulation and regeneration device proposed by the present utility model;

[0019] Figure 4 This is a schematic cross-sectional structure diagram of structures such as the filter cartridge and the limit block of a sodium-ion battery electrolyte circulation and regeneration device proposed by the present utility model;

[0020] Figure 5 is Figure 3 an enlarged view of part A. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figures 1-4, the present utility model provides a technical solution: a sodium-ion battery electrolyte circulation and regeneration device, including a device main body 1 and a stirring barrel 4; a stirring barrel 4 is installed on the top of the device main body 1, two feeding ports 5 are provided at one end of the stirring barrel 4, a stirring mechanism 2 is arranged inside the stirring barrel 4, and a filtering mechanism 3 is arranged inside the device main body 1; the stirring mechanism 2 includes a motor 21 installed on the top of the stirring barrel 4, a stirring rod 22 is installed at one end of the motor 21, an installation ring 23 is installed on the side of the stirring rod 22, a plurality of connecting rods 24 are installed at one end of the installation ring 23, a diversion sleeve 25 is installed at one end of the connecting rod 24, a limiting sleeve 26 adapted to the stirring rod 22 is installed at one end of the installation ring 23, a plurality of cutting knives 27 are installed on the side of the stirring rod 22, a plurality of activated carbon layers 28 are installed on the inner wall of the stirring barrel 4, a discharge port 29 adapted to the device main body 1 is opened at the bottom of the stirring barrel 4, an installation port 6 adapted to the stirring barrel 4 is opened at one end of the device main body 1, a top cover is installed on the top of the stirring barrel 4, the top cover is connected to the feeding port 5, one end of the stirring rod 22 is connected to the output end of the motor 21, the limiting sleeve 26 is rotatably installed on the side of the stirring rod 22, a plurality of limiting grooves 7 are opened on the side of the liquid storage tank 31, a plurality of filter cartridges 8 are installed inside the liquid storage tank 31, a limiting block 9 adapted to the limiting groove 7 is installed on the side of the filter cartridge 8, a clamping groove is opened at one end of the baffle 34, a handle 10 adapted to the clamping groove is installed at one end of the liquid storage tank 31, one end of the spring 38 is installed on the inner wall of the movable groove 36, and the other end of the spring 38 is installed on the clamping block 37. When it is necessary to recycle the electrolyte, the electrolyte raw material is added into the stirring barrel 4 through one feeding port 5, and reagents such as neutralizing agents are added through the other feeding port 5. The motor 21 is started to drive the stirring rod 22 to rotate, and then the cutting knives 27 are driven to cut and stir the impurities in the electrolyte. Through the blocking of the diversion sleeve 25 and the through holes on the diversion sleeve 25, the electrolyte continuously circulates and flows in the stirring barrel 4, forming a turbulent flow of up and down flipping, so as to obtain sufficient circulation and mixing. Part of the impurities and waste gas in the electrolyte are absorbed by the activated carbon layer 28. The stirred electrolyte is discharged from the discharge port 29 and discharged into the liquid storage tank 31. The metal substances in the electrolyte are adsorbed and filtered through the plurality of filter cartridges 8 in the liquid storage tank 31. After the filtration is completed, the electrolyte can be recycled. Through stirring and filtering, the electrolyte is separated from the impurities, improving the utilization efficiency of the electrolyte regeneration.

[0023] The working principle is as follows: When the electrolyte needs to be recycled, the electrolyte raw material is added into the stirring barrel 4 through a feed port 5, and reagents such as neutralizing agents are added from another feed port 5. The motor 21 is started to drive the stirring rod 22 to rotate, and then the cutting knife 27 is driven to cut and stir the impurities in the electrolyte. Through the blocking of the diversion sleeve 25 and the perforations on the diversion sleeve 25, the electrolyte continuously circulates and flows in the stirring barrel 4, forming a turbulent flow that flips up and down, achieving sufficient circulation and mixing. Part of the impurities and waste gas in the electrolyte are absorbed by the activated carbon layer 28. The stirred electrolyte is discharged from the discharge port 29 and discharged into the liquid storage tank 31. The metal substances in the electrolyte are adsorbed and filtered through multiple filter cartridges 8 in the liquid storage tank 31. After the filtration is completed, the electrolyte can be recycled. The toggle block 39 is pulled to drive the latch 37 to slide in the movable groove 36, the spring 38 is compressed, and one end of the latch 37 is separated from the fixed block 35. At this time, the baffle 34 can be taken out, and the liquid storage tank 31 is pulled out of the device main body 1 through the handle 10. The filtered electrolyte and the metal impurities on the filter cartridges 8 are recycled. Through stirring and filtration, the electrolyte and impurities are separated, improving the utilization efficiency of electrolyte regeneration.

[0024] Embodiment 2: As Figures 3-5 shown, the filtering mechanism 3 includes a liquid storage tank 31 installed in the device main body 1. Symmetrical sliding grooves 32 are provided on the side surface of the device main body 1. Sliders 33 adapted to the sliding grooves 32 are installed at both ends of the liquid storage tank 31. A baffle 34 is installed at one end of the liquid storage tank 31. A fixed block 35 is installed on the side surface of the baffle 34. A movable groove 36 is provided at one end of the device main body 1. A latch 37 adapted to the fixed block 35 is installed in the movable groove 36. A spring 38 is provided in the movable groove 36. A toggle block 39 is installed at one end of the latch 37. The toggle block 39 is pulled to drive the latch 37 to slide in the movable groove 36, the spring 38 is compressed, and one end of the latch 37 is separated from the fixed block 35. At this time, the baffle 34 can be taken out, and the liquid storage tank 31 is pulled out of the device main body 1 through the handle 10. The filtered electrolyte and the metal impurities on the filter cartridges 8 are recycled. The other features are the same as those in Embodiment 1.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sodium ion battery electrolyte recycling and regeneration device, comprising a device body (1) and a stirring barrel (4); characterized in that: A stirring barrel (4) is installed on the top of the device body (1), one end of the stirring barrel (4) is provided with two feeding ports (5), a stirring mechanism (2) is provided in the stirring barrel (4), and a filtering mechanism (3) is provided in the device body (1); The stirring mechanism (2) comprises a motor (21) mounted on the top of a stirring barrel (4); a stirring rod (22) is mounted on one end of the motor (21); a mounting ring (23) is mounted on the side of the stirring rod (22); a plurality of connecting rods (24) are mounted on one end of the mounting ring (23); a guide sleeve (25) is mounted on one end of the connecting rod (24); a limiting sleeve (26) adapted to the stirring rod (22) is mounted on one end of the mounting ring (23); a plurality of cutting knives (27) are mounted on the side of the stirring rod (22); a plurality of activated carbon layers (28) are mounted on the inner wall of the stirring barrel (4); and a discharge port (29) adapted to the device body (1) is provided at the bottom of the stirring barrel (4).

2. A sodium ion battery electrolyte recycling and regeneration device according to claim 1, characterized in that: The filtering mechanism (3) comprises a liquid tank (31) installed in a device body (1); a symmetrical slide groove (32) is provided on the side of the device body (1); sliders (33) adapted to the slide groove (32) are installed at both ends of the liquid tank (31); a baffle (34) is installed at one end of the liquid tank (31); a fixed block (35) is installed on the side of the baffle (34); a movable groove (36) is provided at one end of the device body (1); a clamping block (37) adapted to the fixed block (35) is installed in the movable groove (36); a spring (38) is provided in the movable groove (36); and a toggle block (39) is installed at one end of the clamping block (37).

3. A sodium ion battery electrolyte recycling and regeneration device according to claim 1, characterized in that: One end of the device body (1) is provided with a mounting opening (6) adapted to the stirring barrel (4), and a top cover is installed on the top of the stirring barrel (4), and the top cover is connected to the feed opening (5).

4. A sodium ion battery electrolyte recycling and regeneration device according to claim 1, characterized in that: One end of the stirring rod (22) is connected to the output end of the motor (21), and the limiting sleeve (26) is rotatably mounted on the side of the stirring rod (22).

5. A sodium ion battery electrolyte recycling and regeneration device according to claim 2, characterized in that: A plurality of limiting grooves (7) are provided on the side of the liquid storage box (31), a plurality of filter cartridges (8) are installed in the liquid storage box (31), and limiting blocks (9) adapted to the limiting grooves (7) are installed on the side of the filter cartridges (8).

6. A sodium ion battery electrolyte recycling and regeneration device according to claim 2, characterized in that: A slot is formed at one end of the baffle (34), and a handle (10) adapted to the slot is installed at one end of the liquid storage box (31).

7. A sodium ion battery electrolyte recycling and regeneration device according to claim 2, characterized in that: One end of the spring (38) is mounted on the inner wall of the movable groove (36), and the other end of the spring (38) is mounted on the clamping block (37).

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