Automatic lithium fishing device for metal lithium electrolysis
By designing an automated lithium retrieval device, which utilizes hydraulic components and a stirring motor to achieve automated lithium retrieval and stirring, the safety hazards of manual retrieval and the difficulty of retrieving ingots are solved, thereby improving the safety and efficiency of lithium electrolysis.
Patent Information
- Application Number
- CN202520109782.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In the existing technology, manual retrieval of lithium metal during lithium electrolysis poses safety hazards, and the resulting ingots are difficult to remove, affecting the electrolysis effect.
Design an automatic lithium retrieval device, comprising a reaction component, a lifting component, an electrolysis component, and a stirring component. Utilize hydraulic components and a stirring motor to achieve automated lithium retrieval and stirring, avoiding manual operation, enhancing safety, and improving electrolysis efficiency.
The system enables automated lithium retrieval from lithium metal electrolysis, improving operational safety and electrolysis efficiency, preventing ingot formation, and enhancing lithium metal collection efficiency.
Smart Images
Figure CN223705777U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal lithium electrolysis technical field, concretely is a kind of automatic lithium salvaging device for metal lithium electrolysis. BACKGROUND
[0002] Metal lithium is mainly used for battery manufacturing, especially lithium-ion battery. Lithium-ion battery has the characteristics of high working voltage, large energy density, long cycle life, etc. In addition, metal lithium is also used in other fields, such as aerospace, nuclear industry, etc. The preparation of metal lithium is mainly obtained by electrolysis method, and the process of metal lithium electrolysis is to make current pass through lithium salt after melting in electrolytic cell, and metal lithium is deposited on cathode of electrolytic cell.
[0003] In the process of realizing the utility model, it is found that the prior art has the following problems: 1. After metal lithium electrolysis operation, metal lithium is mostly taken out by manual salvaging method. In the process of salvaging lithium, the electrolyte in the electrolytic cell will contact the operator, which will cause safety hazards to the operator, and thus affect the safety of metal lithium electrolysis operation; 2. After metal lithium electrolysis operation, ingot will be formed on the cathode in the electrolytic cell, and the common lithium salvaging method is not convenient for taking out the metal lithium formed into ingot, thus affecting the electrolysis effect of metal lithium. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an automatic lithium salvaging device for metal lithium electrolysis to solve the problem that the manual salvaging method of metal lithium will cause safety hazards to the operator and thus affect the safety of metal lithium electrolysis, and after metal lithium electrolysis, ingot is easily formed on the cathode, which is not convenient for taking out metal lithium, resulting in the problem of reduced electrolysis effect of metal lithium. To achieve the above purpose, the utility model provides the following technical scheme: an automatic lithium salvaging device for metal lithium electrolysis, comprising a reaction assembly, a lifting assembly is slidably connected inside the reaction assembly, an electrolysis assembly is installed inside the lifting assembly, and a stirring assembly is installed inside the lifting assembly.
[0005] The reaction assembly comprises a reaction bin, a heating sheet is attached to the outside of the reaction bin, a heat preservation layer is arranged on the outside of the heating sheet, a push material groove is embedded in one end of the inner wall of the reaction bin, a push material plate is attached to the inside of the push material groove, a first hydraulic assembly is drivingly connected to one end of the push material plate, a discharge chute is penetrated through the other end of the inner wall of the reaction bin, a collecting bin is inserted into one end of the discharge chute, a collecting filter plate is installed at the bottom of the collecting bin, and a liquid collecting bin is attached to the bottom of the collecting bin.
[0006] The lifting assembly comprises a second hydraulic assembly, the second hydraulic assembly is installed on both sides of the reaction bin, a lifting rod is installed on the top of the second hydraulic assembly, a filter bottom plate is installed on the bottom of the lifting rod, a top cover is installed on the top of the lifting rod, and an exhaust pipe is installed in the top cover.
[0007] The electrolysis assembly comprises a power supply electrode, one end of the power supply electrode is provided with an anode connecting frame, the bottom of the anode connecting frame is provided with an electrode anode, the other end of the power supply electrode is provided with a cathode connecting frame, the bottom of the cathode connecting frame is provided with an electrode cathode, and an insulator is installed on the outside of the cathode connecting frame.
[0008] The stirring assembly comprises a stirring motor, the stirring motor is installed on the top of the top cover, a driving shaft is drivingly connected to the bottom of the stirring motor, stirring blades are installed below the driving shaft, connecting rods are installed on both sides of the bottom of the driving shaft, and a scraping rod is installed at one end of the connecting rod.
[0009] Further preferably, the lifting rod is of an L-shaped structure, lifting grooves are respectively embedded in the inner walls of both sides of the reaction bin, and the lifting rod is slidingly connected to the inside of the lifting groove.
[0010] Further preferably, the height of the lifting rod is the same as the height of the reaction bin, and when the filter bottom plate is attached to the inner wall of the bottom of the reaction bin, the top cover is attached to the top of the reaction bin.
[0011] Further preferably, the height of the pushing groove is the same as the height of the discharging groove, the maximum hydraulic distance of the first hydraulic assembly is the same as the width of the reaction bin, and when the second hydraulic assembly is hydraulically lifted to the maximum height, the bottom of the pushing plate is the same in height as the top of the filter bottom plate.
[0012] Further preferably, the electrode anode and the electrode cathode are both of a ring-shaped structure, the radius of the electrode cathode is greater than the radius of the electrode anode, the anode connecting frame and the cathode connecting frame both penetrate the top cover, and insulators are installed at the connecting positions of the anode connecting frame and the cathode connecting frame with the top cover.
[0013] Further preferably, the stirring blades are located between the electrode cathode and the connecting rod, and the vertical distance between the connecting rod and the filter bottom plate is greater than the height of the pushing groove.
[0014] Further preferably, the top of the scraping rod is of a U-shaped structure, and the inner walls of the U-shaped scraping rod are attached to the inner walls and the outer walls of the electrode cathode.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] The utility model discloses a lifting bottom filter bottom plate is driven to go up and down after the metal lithium electrolysis operation is set up hydraulic assembly, and cooperation hydraulic assembly drive push the metal lithium that electrolysis produces to push to the collecting bin and carry out the discharge, form automatic lithium fishing structure, avoid needing the operator manual lithium fishing operation, improve the security when the operator carries out the metal lithium electrolysis operation.
[0017] The utility model discloses a stirring assembly is set up in electrolytic reaction tank and is stirred cooperation annular anode and cathode increase the electrolysis effect of metal lithium, and the outer wall of cathode sets up the same coaxial drive of stirring vane and scrapes material pole to the lithium that the cathode is separated out and carries out the scraping material to the collection through the filter bottom plate below, avoids forming the ingot, and the subsequent discharge is convenient, improves the collection effect to metal lithium, and further improves the electrolysis effect of metal lithium. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the front view structure schematic drawing when the utility model is used;
[0019] Figure 2 It is the front view structure schematic drawing when the utility model is not used;
[0020] Figure 3 It is the front view structure schematic drawing when the utility model is not used;
[0021] Figure 4 It is the reaction assembly explosion amplification structure schematic drawing of the utility model;
[0022] Figure 5 It is the front view amplification structure schematic drawing of the utility model lifting assembly;
[0023] Figure 6 It is the front view amplification structure schematic drawing of the utility model electrolysis assembly;
[0024] Figure 7 It is the front view amplification structure schematic drawing of the utility model stirring assembly.
[0025] In the drawing: 1, reaction assembly;101, reaction bin;102, heating sheet;103, heat preservation layer;104, push material groove;105, push material board;106, first hydraulic assembly;107, discharge groove;108, collecting bin;109, collecting filter plate;110, liquid collecting bin;2, lifting assembly;201, second hydraulic assembly;202, lifting rod;203, filter bottom plate;204, top cap;205, exhaust pipe;3, electrolysis assembly;301, power supply electrode;302, anode connecting frame;303, electrode anode;304, cathode connecting frame;305, electrode cathode;306, insulator;4, stirring assembly;401, stirring motor;402, drive shaft;403, stirring vane;404, connecting rod;405, scrapes material pole. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor belong to the scope of protection of the utility model.
[0027] Please refer to Figures 1 to 7 The utility model provides a kind of technical scheme: a kind of automatic lithium salvaging device for metal lithium electrolysis, including reaction subassembly 1, reaction subassembly 1 is slidably connected with lifting assembly 2 in its inside, electrolysis subassembly 3 is installed in the inside of lifting assembly 2, stirring subassembly 4 is installed in the inside of lifting assembly 2.
[0028] Reaction subassembly 1 includes reaction bin 101, heating sheet 102 is attached to the outside of reaction bin 101, heat preservation layer 103 is provided with the outside of heating sheet 102, push material groove 104 is embedded in the inner wall one end of reaction bin 101, push material plate 105 is attached to the inside of push material groove 104, first hydraulic component 106 is drivenly connected to the one end of push material plate 105, discharge chute 107 is penetrated in the inner wall other end of reaction bin 101, collecting bin 108 is inserted in the one end of discharge chute 107, collecting filter plate 109 is installed in the bottom of collecting bin 108, liquid collecting bin 110 is attached to the bottom of collecting bin 108.
[0029] Lifting assembly 2 includes second hydraulic component 201, and second hydraulic component 201 is installed on the both sides of reaction bin 101, lifting rod 202 is installed at the top of second hydraulic component 201, filter bottom plate 203 is installed at the bottom of lifting rod 202, top cover 204 is installed at the top of lifting rod 202, exhaust pipe 205 is installed in the inside of top cover 204.
[0030] Electrolysis subassembly 3 includes power supply electrode 301, and power supply electrode 301 is installed at the top of top cover 204, anode connecting frame 302 is installed at the one end of power supply electrode 301, electrode anode 303 is installed at the bottom of anode connecting frame 302, cathode connecting frame 304 is installed at the other end of power supply electrode 301, electrode cathode 305 is installed at the bottom of cathode connecting frame 304, insulator 306 is installed at the outside of cathode connecting frame 304.
[0031] Stirring subassembly 4 includes stirring motor 401, and stirring motor 401 is installed at the top of top cover 204, drive shaft 402 is drivenly connected to the bottom of stirring motor 401, stirring blade 403 is installed below drive shaft 402, connecting rod 404 is installed at the both sides of the bottom of drive shaft 402, scraping rod 405 is installed at the one end of connecting rod 404.
[0032] In this embodiment, as shown in Figure 2 , Figure 3 , Figure 4 and Figure 5 , the lifting rod 202 is L-shaped structure, and the inner walls of the two sides of the reaction bin 101 are respectively embedded with lifting grooves, and the lifting rod 202 is slidingly connected to the inside of the lifting grooves; the lifting rod 202 is arranged to be liftable to drive the bottom filter plate 203 to lift, which facilitates the lithium fishing operation, improves the automation of the lithium fishing operation, and avoids the need for manual lithium fishing operation by the operator.
[0033] In this embodiment, as shown in Figure 1 , Figure 4 and Figure 5 , the height of the lifting rod 202 is the same as the height of the reaction bin 101, and when the filter plate 203 is attached to the inner wall of the bottom of the reaction bin 101, the top cover 204 is attached to the top of the reaction bin 101; the top cover 204 is arranged on the top of the lifting rod 202 to form a closed structure for the whole reaction bin 101 when the metal lithium is electrolyzed, which facilitates the normal electrolysis reaction and improves the effect of metal lithium electrolysis.
[0034] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the height of the pushing chute 104 is the same as the height of the discharge chute 107, the maximum hydraulic distance of the first hydraulic assembly 106 is the same as the width of the reaction bin 101, and when the second hydraulic assembly 201 is hydraulically lifted to the maximum height, the bottom height of the pushing plate 105 is the same as the top height of the filter plate 203; after the electrolysis is completed, the filter plate 203 is lifted to an appropriate height, the pushing plate 105 pushes the lithium fished on the filter plate 203, and the lithium is collected through the collection bin 108 at the other end, which facilitates the collection of the fished lithium and improves the collection effect of the lithium after the metal lithium electrolysis operation. At the same time, the collection filter plate 109 is arranged at the bottom of the collection bin 108 to cooperate with the bottom liquid collection bin 110 to collect excess electrolyte, further improving the collection effect of the lithium, avoiding the need for manual operation by the operator, and improving the safety of the metal lithium electrolysis.
[0035] In this embodiment, as shown in Figure 2 , Figure 3 and Figure 6As shown in the drawings, the electrode anode 303 and the electrode cathode 305 are both annular structures, the radius of the electrode cathode 305 is greater than that of the electrode anode 303, the anode connecting frame 302 and the cathode connecting frame 304 both penetrate the top cover 204, and the insulator 306 is arranged at the connecting position of the top cover 204; two annular cathodes and anodes are arranged, the contact area with the electrolyte is increased, the metal lithium electrolysis reaction is more sufficient, the metal lithium electrolysis effect is improved, the insulator 306 is arranged at the connecting position of the top cover 204 to prevent the current leakage from causing a safety hazard to the operator, and the safety of the metal lithium electrolysis is further improved.
[0036] In the embodiment, as shown in the drawings, Figure 2 、 Figure 3 、 Figure 6 and Figure 7 , the stirring blade 403 is located between the electrode cathode 305 and the connecting rod 404, and the vertical distance between the connecting rod 404 and the filter bottom plate 203 is greater than the height of the pushing trough 104; the distance between the connecting rod 404 and the filter bottom plate 203 is appropriately set, so that the stirring assembly 4 does not affect the pushing operation when the pushing plate 105 pushes the material, the discharging is facilitated, the stirring blade 403 is arranged to drive the electrolyte to fully contact the cathode and the anode, and the metal lithium electrolysis effect is further improved.
[0037] In the embodiment, as shown in the drawings, Figure 2 、 Figure 3 、 Figure 6 and Figure 7 , the top of the scraping rod 405 is in a U-shaped structure, and the inner wall of the U-shaped scraping rod 405 is in close contact with the inner wall and the outer wall of the electrode cathode 305; the rotating scraping rod 405 is arranged outside the electrode cathode 305 to scrape the lithium precipitated on the electrode cathode 305 and drop onto the filter bottom plate 203 below, so that the lithium is not excessively precipitated to form an ingot, the discharging of the lithium is affected, and the discharging effect of the metal lithium electrolysis is improved.
[0038] The use method and advantages of the metal lithium electrolysis automatic lithium salvaging device are as follows:
[0039] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown, first, the second hydraulic assembly 201 is started to drive the lifting rod 202 to rise, and the top cover 204 is opened; finally, the electrolyte for lithium metal electrolysis is poured into the reaction bin 101, and the lifting rod 202 is lowered to close the top cover 204, the power electrode 301 is started to be powered, the electrode anode 303 and the electrode cathode 305 inside are powered through the anode connecting frame 302 and the cathode connecting frame 304, and the heating sheet 102 outside the reaction bin 101 is started to be heated, at this time, the electrode anode 303 is precipitated to produce chlorine gas, and is uniformly discharged through the exhaust pipe 205, and the electrode cathode 305 is precipitated to produce metal lithium; then the stirring motor 401 is started to drive the stirring blade 403 below the driving shaft 402 to rotate, increase the reaction effect between the electrolyte and the electrode, and drive the scraping rod 405 connected with the connecting rod 404 at the bottom to rotate, scrape the inner and outer walls of the electrode cathode 305, and drop onto the filter bottom plate 203 below; finally, after the electrolysis is completed, the second hydraulic assembly 201 is started to drive the filter bottom plate 203 to rise, and the lithium produced by electrolysis is filtered out; and the first hydraulic assembly 106 is started to drive the pushing plate 105 to slide on the filter bottom plate 203, push the lithium to the collection bin 108 in the discharge slot 107 for collection, and the collection filter plate 109 at the bottom of the collection bin 108 cooperates with the liquid collecting bin 110 to collect the excess electrolyte, so that the lithium collection operation after lithium metal electrolysis can be realized.
[0040] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An automatic lithium retrieval device for lithium metal electrolysis, comprising a reaction assembly (1), characterized in that: The reaction assembly (1) is internally slidably connected to a lifting assembly (2), the lifting assembly (2) is internally installed with an electrolysis assembly (3), and the lifting assembly (2) is internally installed with a stirring assembly (4); The reaction assembly (1) includes a reaction chamber (101), a heating element (102) is attached to the outside of the reaction chamber (101), an insulation layer (103) is provided on the outside of the heating element (102), a pusher groove (104) is embedded in one end of the inner wall of the reaction chamber (101), a pusher plate (105) is attached to the inside of the pusher groove (104), a first hydraulic assembly (106) is driven to one end of the pusher plate (105), a discharge groove (107) is passed through the other end of the inner wall of the reaction chamber (101), a collection chamber (108) is inserted into one end of the discharge groove (107), a collection filter plate (109) is installed at the bottom of the collection chamber (108), and a liquid collection chamber (110) is attached to the bottom of the collection chamber (108). The lifting assembly (2) includes a second hydraulic assembly (201), and the second hydraulic assembly (201) is installed on both sides of the reaction chamber (101). A lifting rod (202) is installed on the top of the second hydraulic assembly (201), a filter base plate (203) is installed on the bottom of the lifting rod (202), a top cover (204) is installed on the top of the lifting rod (202), and an exhaust pipe (205) is installed inside the top cover (204). The electrolysis assembly (3) includes a power electrode (301) and the power electrode (301) is mounted on the top of the top cover (204). An anode connection frame (302) is mounted on one end of the power electrode (301), an electrode anode (303) is mounted on the bottom of the anode connection frame (302), a cathode connection frame (304) is mounted on the other end of the power electrode (301), an electrode cathode (305) is mounted on the bottom of the cathode connection frame (304), and an insulator (306) is mounted on the outside of the cathode connection frame (304). The stirring assembly (4) includes a stirring motor (401), which is mounted on the top of the top cover (204). The bottom of the stirring motor (401) is connected to a drive shaft (402). A stirring blade (403) is mounted below the drive shaft (402). Connecting rods (404) are mounted on both sides of the bottom of the drive shaft (402), and a scraper rod (405) is mounted on one end of the connecting rod (404).
2. The automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: The lifting rod (202) has an L-shaped structure, and the inner walls on both sides of the reaction chamber (101) are respectively embedded with lifting grooves, and the lifting rod (202) is slidably connected to the inside of the lifting grooves.
3. The automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: The height of the lifting rod (202) is the same as the height of the reaction chamber (101), and when the filter base plate (203) is attached to the bottom inner wall of the reaction chamber (101), the top cover (204) is attached to the top of the reaction chamber (101).
4. The automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: The height of the pusher trough (104) is the same as the height of the discharge trough (107), and the maximum hydraulic distance of the first hydraulic component (106) is the same as the width of the reaction chamber (101). When the second hydraulic component (201) is hydraulically pumped to its maximum height, the bottom height of the pusher plate (105) is the same as the top height of the filter base plate (203).
5. An automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: Both the electrode anode (303) and the electrode cathode (305) are annular structures, and the radius of the electrode cathode (305) is larger than the radius of the electrode anode (303). The anode connecting frame (302) and the cathode connecting frame (304) both penetrate the top cover (204), and an insulator (306) is installed at the connection with the top cover (204).
6. An automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: The stirring blade (403) is located between the electrode cathode (305) and the connecting rod (404), and the vertical distance between the connecting rod (404) and the filter base plate (203) is greater than the height of the pusher trough (104).
7. An automatic lithium retrieval device for lithium metal electrolysis according to claim 1, characterized in that: The top of the scraper rod (405) is U-shaped, and the inner wall of the scraper rod (405) is in contact with the inner wall and outer wall of the electrode cathode (305).