Energy-saving precious metal molten salt electrolytic refining device

Abstract

The utility model discloses an energy-saving precious metal molten salt electrolytic refining device, and relates to the technical field of precious metal preparation. The technical problems that traditional precious metal electrolysis is low in automation degree, manual operation is tedious, and precious metal pollution or oxidation is likely to be caused are solved. The device comprises an electrical control system, an electro-deposition reaction device, an anode basket loading and unloading mechanism and a cathode transfer mechanism, the electro-deposition reaction device comprises a resistance furnace, an electrolytic bath, an anode basket assembly and a cathode assembly, the anode basket assembly comprises an anode basket main body and an anode conducting rod which are connected with each other, and the cathode assembly comprises a cathode bar and a cathode conducting rod which are connected with each other. The electrolytic bath is arranged in the resistance furnace heating cavity; the upper end of the anode conducting rod is connected with the anode basket loading and unloading mechanism, the upper end of the cathode conducting rod is connected with the cathode transfer mechanism, the anode basket loading and unloading mechanism and the cathode transfer mechanism are controlled by the electrical control system to move up and down, and an anode basket main body and a cathode bar extend downwards into the electrolytic bath or are lifted upwards from the electrolytic bath.

Description

TECHNICAL FIELD

[0001] The utility model relates to precious metal preparation technical field, concretely is a kind of energy-saving type precious metal molten salt electrolytic refining device. BACKGROUND

[0002] Precious metal molten salt electrolytic refining is the key process for preparing high-purity precious metals and their alloys, and is widely used in high-end fields such as aerospace, electronic information and precision manufacturing. In the prior art, the precious metal molten salt electrolysis device usually needs to operate in a high-temperature, inert gas protection environment, and the core includes an electrolytic cell, a heating assembly, an electrode structure and a gas protection device.

[0003] However, the various functional modules of the conventional precious metal molten salt electrolysis device are arranged in a dispersed manner, and a protection space or equipment needs to be separately configured, which not only leads to a large overall operation space occupation and a disordered layout, but also makes the connection between the processes rely on manual transfer or additional conveying devices, making it difficult to form a continuous production process. Such a dispersed structure not only reduces the production efficiency, but also increases the difficulty of inert gas protection, and is easy to cause molten salt oxidation and precious metal pollution due to environmental exposure during process connection, affecting product quality. SUMMARY

[0004] The utility model provides a kind of electrolytic deposition reaction device, anode basket automatic loading and unloading, cathode rod directional transfer and automatic scraping, whole-course sealed atmosphere protection function are integrated in the energy-saving type precious metal molten salt electrolytic refining device of the utility model, electrolytic process continuous operation can be realized, with energy saving and consumption reduction, compact space layout, can effectively avoid molten salt oxidation and precious metal pollution.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: the energy-saving type precious metal molten salt electrolytic refining device provided by the utility model comprises an electrical control system, an electrolytic deposition reaction device, an anode basket loading and unloading mechanism and a cathode transfer mechanism,

[0006] The electrolytic deposition reaction device comprises an electric resistance furnace, an electrolytic cell, an anode basket assembly and a cathode assembly, the anode basket assembly comprises an anode basket main body and an anode conductive rod connected with each other, and the cathode assembly comprises a cathode rod and a cathode conductive rod connected with each other, the electrolytic cell is arranged in the heating cavity of the electric resistance furnace and is used for heating the electrolytic cell;

[0007] A sealing furnace cover is arranged at the top of the electrolytic cell, and the sealing furnace cover is provided with penetrating holes matched with the anode conductive rod and the cathode conductive rod,

[0008] The upper end of the anode conductive rod is connected with the anode basket loading and unloading mechanism, and the upper end of the cathode conductive rod is connected with the cathode transfer mechanism,

[0009] The anode basket loading and unloading mechanism and the cathode transfer mechanism are controlled to move up and down by the electrical control system, so that the conductive rods at the upper end of the anode basket body and the cathode rod are controlled to move down into the electrolytic cell or move up from the electrolytic cell through the through hole.

[0010] Preferably, it is also provided with a main support frame platform, and the electrodeposition reaction device is arranged at the bottom of the main support frame platform,

[0011] The anode basket loading and unloading mechanism and the cathode transfer mechanism are respectively arranged on the support frame platforms on the two sides of the electrodeposition reaction device, namely the third support frame platform and the second support frame platform.

[0012] Preferably, the anode basket loading and unloading mechanism comprises a grabbing rotary conductive device, a vertical support frame and a Z-axis module, and the grabbing rotary conductive device is provided with an automatic connecting joint matched with the upper joint of the anode basket body;

[0013] The bottom of the vertical support frame is rotatably installed on the third support frame platform through a rotary mechanism, and the grabbing rotary conductive device is slidably installed on the side wall of the vertical support frame through the Z-axis module.

[0014] Preferably, an anode loading station is further arranged on the third support frame platform, and a transfer roller is arranged on the anode loading station, and the anode basket body is moved to the anode loading station through the transfer roller,

[0015] The grabbing rotary conductive device is rotated to the anode loading station through the rotary mechanism, and the Z-axis module is controlled to move downward to perform the grabbing action, that is, the automatic connecting joint of the grabbing rotary conductive device is automatically connected with the upper joint of the anode basket body, so that the anode basket body is grabbed and transferred.

[0016] Preferably, the cathode transfer mechanism comprises a first grabbing mechanism, an XYZ-axis three-direction moving module and a second support frame platform,

[0017] The first grabbing mechanism is installed on the second support frame platform through the XYZ-axis three-direction moving module, and the first grabbing mechanism is moved along the X-axis, Y-axis and Z-axis directions through the movement of the XYZ-axis three-direction moving module, so as to realize the upward and downward grabbing and directional transfer of the cathode rod.

[0018] Preferably, the cathode conductive rod and the cathode rod are detachably coaxially connected through a quick mounting clamp, and a ring-shaped heat insulation molten salt baffle is sleeved on the bottom of the cathode conductive rod above the quick mounting clamp; and the outer diameter of the heat insulation molten salt baffle is greater than the diameter of the through hole.

[0019] The cathode assembly is provided with three groups, and the anode conductive rod passes through the through hole in the middle of the sealing furnace cover, and the three groups of cathode conductive rods are distributed around the three through holes around the anode conductive rod.

[0020] The quick mounting clamp also has automatic unlocking and locking functions.

[0021] The first grabbing mechanism grabs the cathode conductive rod and then shifts to a cathode storage station, automatically locks and connects a new cathode rod, and then shifts to an electrolytic tank through an XYZ-axis three-direction moving module for electrolysis.

[0022] Preferably, it also includes a cathode rod automatic scraping device. The cathode rod is grabbed by the cathode shifting mechanism and shifted to the inside of the electrolytic tank for electrolysis. The cathode rod after electrolysis is grabbed by the cathode shifting mechanism and shifted to the automatic scraping device for automatic scraping and collection operation.

[0023] Preferably, the automatic scraping device includes a cathode rod sealed storage tank, a scraper assembly and a servo drive assembly. The scraper assembly is fixedly connected with the power output end of the servo drive assembly. The servo drive assembly is installed on the frame in the inside of the second support platform through a guide rail sliding block structure.

[0024] The cathode rod sealed storage tank is vertically fixedly connected with the frame under the second support platform, including a sealed tank body with a sealing cover at the top and a cathode rod rotating drive mechanism. A working clamping groove matched with the scraper assembly is formed in the side wall of the sealed tank body.

[0025] The cathode rod rotating drive mechanism is installed on the first grabbing mechanism. The cathode rod rotating drive mechanism is driven by the electrical control system to rotate the cathode rod.

[0026] The servo drive assembly is controlled by the electrical control system to drive the scraper assembly to extend into the inside of the working clamping groove and move up and down.

[0027] Meanwhile, the second support platform below the automatic scraping device is also provided with a collection assembly and a running roller way matched with the position of the cathode rod sealed storage tank.

[0028] Preferably, three translation conductive clamp devices matched with the cathode assembly are arranged on the top beam of the main support platform outside the electrodeposition reaction device.

[0029] The bottom of the electrodeposition reaction device is fixedly connected with a base bracket. The base bracket is slidably arranged on the main support platform through a linear guide rail module.

[0030] Preferably, a cooling water channel is arranged at the electrolytic tank wall. A molten salt suction port and a negative pressure atmosphere suction port are arranged at the lower part of the cooling water channel.

[0031] A protection tank is arranged outside the electrolytic tank. A leakage detection device is arranged between the electrolytic tank and the protection tank.

[0032] A temperature measuring hole is arranged on the sealing furnace cover at the top of the electrolytic tank for placing a temperature measuring thermocouple.

[0033] It also includes an isolation glove operating box, with the precious metal molten salt electrolytic refining device located inside the glove operating box.

[0034] The energy-saving precious metal molten salt electrolytic refining apparatus provided by this utility model has the following beneficial effects:

[0035] (1) The energy-saving precious metal molten salt electrolytic refining device of this utility model integrates the functional modules of electrical control system, electrodeposition reaction device, anode basket loading and unloading mechanism and cathode transfer mechanism into an integrated layout, thereby realizing the automated continuous operation of precious metal molten salt electrolytic refining, completely breaking the limitations of the traditional decentralized layout of the device, and avoiding the process connection method of manual transfer or additional conveying device.

[0036] The anode basket can be transferred to the anode loading station via a transfer roller conveyor, where it is automatically picked up and transferred to the electrolytic cell by a gripping and rotating conductive device. The cathode rod is precisely loaded and unloaded and directionally transferred via a three-way moving module along the XYZ axes. After electrolysis, it can be directly transferred to an automatic scraping device to complete product collection, forming a continuous process from anode loading and electrolysis reaction to cathode product scraping, which greatly improves overall production efficiency.

[0037] (2) The sealed furnace cover at the top of the electrolytic cell of this device, together with the protective tank, the negative pressure atmosphere suction port and the isolation glove operation box, is designed to provide full-process sealed atmosphere protection. Combined with the non-exposed automated connection of each process, it effectively ensures the quality of high-purity precious metal products.

[0038] The electrodeposition reactor is located at the bottom of the main support platform, while the anode basket loading and unloading, cathode transfer and other mechanisms are located on both sides of the workstation. This integrated support platform layout optimizes space utilization and solves the drawbacks of traditional equipment, such as large space occupation and messy layout, effectively improving the rationality of site utilization. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of this utility model;

[0040] Figure 2 This is a cross-sectional view of the electrodeposition reaction apparatus in this utility model;

[0041] Figure 3 for Figure 1 A schematic diagram of the structure of the center front view;

[0042] Figure 4 This is a schematic diagram of the automatic cathode rod scraping device in this utility model.

[0043] In the figure: 1, electrodeposition reaction device; 2, resistance furnace; 3, electrolytic cell; 4, anode basket main body; 5, cathode assembly; 6, sealing furnace cover; 7, first grabbing mechanism; 8, XYZ axis three-direction moving module; 9, second support frame platform; 10, cathode rod sealing storage tank; 11, scraper assembly; 12, servo drive assembly; 13, third support frame platform; 14, vertical support frame; 15, grabbing rotary conductive device; 16, anode feeding station; 17, main body support frame platform; 18, base bracket; 19, linear guide rail module; 20, protection tank. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0045] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Embodiment 1

[0046] Please refer to Figures 1-4 The present application provides a technical scheme:

[0047] As Figure 1 shown, the energy-saving type noble metal molten salt electrolytic refining device provided by the present application is arranged in the isolated glove box, comprising an electrical control system, an electrodeposition reaction device 1, an anode basket loading and unloading mechanism and a cathode transfer mechanism, the electrodeposition reaction device 1 is arranged at the bottom of the main body support frame platform 17, comprising a resistance furnace 2, an electrolytic cell 3, an anode basket assembly and a cathode assembly 5, the electrolytic cell 3 is arranged in the heating cavity of the resistance furnace 2, and is used for heating the electrolytic cell 3; the top of the electrolytic cell 3 is provided with a sealing furnace cover 6, and the sealing furnace cover 6 is provided with penetrating holes matched with the anode conductive rod and the cathode conductive rod respectively.

[0048] As Figure 2As shown, the cathode assembly 5 includes a cathode rod and a cathode conducting rod connected with each other, and the cathode conducting rod is coaxially connected with the cathode rod through a quick-mount clamp with automatic unlocking and locking functions. An annular molten salt baffle is sleeved on the bottom of the cathode conducting rod above the quick-mount clamp. The outer diameter of the molten salt baffle is larger than the diameter of the through hole, which can effectively reduce the heat loss in the electrolytic cell 3 and block the molten salt from spattering out. The cathode assembly 5 is provided with three groups, and the anode conducting rod passes through the through hole in the middle of the sealing furnace cover 6. The three groups of cathode conducting rods are distributed in the circumferences of the three through holes around the anode conducting rod, which can ensure the uniformity of the electrolysis reaction. The upper end of the cathode conducting rod is connected with the cathode transfer mechanism. The cathode transfer mechanism transfers the cathode conducting rod to the cathode storage station, automatically locks and connects the new cathode rod through the quick-mount clamp, and then transfers it to the electrolytic cell 3 through the XYZ three-direction moving module 8 for electrolysis reaction. Example 2

[0049] As shown in Figure 2 , the anode basket assembly includes an anode basket body 4 and an anode conducting rod connected with each other. The upper end of the anode conducting rod is connected with the anode basket loading and unloading mechanism. The anode basket loading and unloading mechanism and the cathode transfer mechanism are respectively arranged on the support frame platforms on the two sides of the electrodeposition reaction device 1, which are respectively the third support frame platform 13 and the second support frame platform 9. The anode basket body 4 and the cathode rod are controlled to pass through the through hole and move downward into the electrolytic cell 3 or move upward out of the electrolytic cell 3 by controlling the upward and downward movement of the anode basket loading and unloading mechanism and the cathode transfer mechanism through the electrical control system.

[0050] As shown in Figure 1 and Figure 3 , the anode basket loading and unloading mechanism includes a grabbing and rotating conducting device 15, a vertical support frame 14 and a Z-axis module. The bottom of the vertical support frame 14 is rotatably installed on the third support frame platform 13 through a rotary mechanism. The grabbing and rotating conducting device 15 is slidably installed on the side wall of the vertical support frame 14 through the Z-axis module. An automatic connection joint matched with the upper joint of the anode basket body 4 is installed on the grabbing and rotating conducting device 15. An anode loading station 16 is also arranged on the third support frame platform 13. The anode loading station 16 is provided with a transfer roller way. The anode basket body 4 moves to the anode loading station 16 through the transfer roller way. The grabbing and rotating conducting device 15 rotates to the anode loading station 16 through the rotary mechanism, and moves downward to perform the grabbing action through the Z-axis module. The automatic connection joint of the grabbing and rotating conducting device 15 automatically docks with the upper joint of the anode basket body 4, so as to realize the grabbing and transferring of the anode basket body 4. Then, the anode basket body 4 is transferred to above the electrolytic cell 3, and the anode basket body 4 is sent into the electrolytic cell 3 through the through hole of the sealing furnace cover 6 to perform the electrolysis operation. Example 3

[0051] The cathode transfer mechanism comprises a first grabbing mechanism 7, an XYZ-axis three-direction moving module 8, and a second support frame platform 9. The first grabbing mechanism 7 is installed on the second support frame platform 9 through the XYZ-axis three-direction moving module 8. The first grabbing mechanism 7 can move along the X-axis, Y-axis, and Z-axis directions through the movement of the XYZ-axis three-direction moving module 8, so as to realize the upward and downward grabbing and directional transfer of the cathode rod. When it is necessary to replace the cathode rod, the first grabbing mechanism 7 can grab the used cathode rod and transfer it to a cathode storage station. The old cathode rod is disassembled through the automatic unlocking of the quick mounting clamp, and then the new cathode rod is automatically locked and connected. Subsequently, the XYZ-axis three-direction moving module precisely transfers the new cathode rod to above the electrolytic cell 3, so as to send the new cathode rod into the electrolytic cell 3 to participate in the electrolysis reaction. Embodiment 4

[0052] As shown in Figure 3 , the cathode rod automatic scraping device is further included. The cathode rod is grabbed and transferred to the inside of the electrolytic cell 3 by the cathode transfer mechanism to perform the electrolysis reaction. The cathode rod after electrolysis is grabbed and moved to the automatic scraping device by the cathode transfer mechanism to perform the automatic scraping and collection operation.

[0053] As shown in Figure 4 , the automatic scraping device comprises a cathode rod sealed storage tank 10, a scraper assembly 11, and a servo drive assembly 12. The scraper assembly 11 is fixedly connected with the power output end of the servo drive assembly 12. The servo drive assembly 12 is installed on the frame body inside the second support frame platform 9 through the guide rail sliding block structure. The cathode rod sealed storage tank 10 is vertically fixedly connected with the frame body below the second support frame platform 9. The cathode rod sealed storage tank 10 comprises a sealed tank body with a sealing cover at the top and a cathode rod rotating drive mechanism. A working clamping groove matched with the scraper assembly 11 is formed in the side wall of the sealed tank body. The cathode rod rotating drive mechanism is installed on the first grabbing mechanism 7. The cathode rod rotating drive mechanism is driven to rotate by the electrical control system. The servo drive assembly 12 is driven by the electrical control system to extend into the inside of the working clamping groove and move up and down. At the same time, the second support frame platform 9 below the automatic scraping device is further provided with a collection assembly and a running roller way matched with the position of the cathode rod sealed storage tank 10. The cathode rod after electrolysis is grabbed by the cathode transfer mechanism and sent into the cathode rod sealed storage tank 10. While the cathode rod rotates, the scraper assembly 11 scrapes the noble metal product on the surface of the cathode rod. The scraped product can be collected by the collection assembly below the sealed storage tank. The treated cathode rod is transferred to the designated position through the running roller way. Embodiment 5

[0054] As shown in Figure 1As shown, three translation conductive clamping jaw devices matched with the cathode assembly 5 are arranged on the top beam of the main support frame platform 17 outside the electrodeposition reaction device 1, when the cathode transfer mechanism transfers the cathode assembly 5 to the electrolytic cell 3, the translation conductive clamping jaw devices can accurately clamp the cathode conductive rod of the cathode assembly 5 through horizontal movement, and reliable conduction is realized. The bottom of the electrodeposition reaction device 1 is fixedly connected with a base bracket 18, and the base bracket 18 is slidably arranged on the main support frame platform 17 through a linear guide rail module 19. When it is necessary to overhaul or replace the electrolytic cell 3 and the resistance furnace 2 in the electrodeposition reaction device 1, the linear guide rail module 19 can be driven by an electrical control system to slide the electrodeposition reaction device 1 to a maintenance station outside the main support frame platform 17, so that the operation can be carried out without disassembling other mechanisms, and the maintenance convenience is greatly improved.

[0055] A cooling water channel is arranged at the cell wall of the electrolytic cell 3, a molten salt suction port and a negative pressure atmosphere suction port are arranged at the lower part of the cooling water channel, the molten salt suction port is connected with a negative pressure suction pump through a pipeline, and the negative pressure atmosphere suction port is connected with an inert gas preparation and negative pressure adjusting system. A protection tank 20 is further arranged outside the electrolytic cell 3, a leakage detection device is arranged between the electrolytic cell 3 and the protection tank 20, and an insulation design is adopted between the electrolytic cell 3 and the heating furnace barrel in normal operation, and a certain gap is reserved. Since the molten salt has conductivity, when leakage occurs, the insulation between the electrolytic cell 3 and the heating furnace barrel will be damaged, and the molten salt state can be indirectly judged by real-time detection of the insulation resistance between the electrolytic cell 3. A temperature measuring hole is arranged on the sealing furnace cover 6 at the top of the electrolytic cell 3, a temperature measuring thermocouple is arranged in the temperature measuring hole, the temperature data of the molten salt in the electrolytic cell 3 can be collected in real time, and the data is fed back to the control system.

[0056] The use method of the energy-saving noble metal molten salt electrolytic refining device comprises the following steps:

[0057] (1) New molten salt feeding, the electrolytic cell 3 is placed in the molten salt feeding station, the sealed bagged molten salt is placed in the molten salt auxiliary box by hand, and is transferred to the glove operation box through the telescopic track, the corresponding region is provided with a bagged molten salt storage table and a corresponding transfer tool, the molten salt is poured into the molten salt feeding device chute by hand, the chute automatically moves forward and lifts the material to the electrolytic cell 3, and the new molten salt feeding is completed.

[0058] (2) Old molten salt transfer, the old molten salt is recycled and reused by being sucked from the bottom of the electrolytic cell 3 to the heat preservation storage tank through the negative pressure siphon system.

[0059] (3) Anode feeding and discharging, the anode basket main body 4 loaded with raw materials is transferred to the fixed station by the hot chamber trolley, the anode basket main body 4 is grabbed by the grabbing rotary conductive device 15, and is transferred to the electrolytic cell 3 through the rotary mechanism and the Z-axis module.

[0060] When the anode basket body 4 is discharged, it is also transferred to the roller by the reverse operation of the rotary mechanism and the Z-axis module, and the anode basket is transferred to the roller.

[0061] (4) The transfer of the cathode, the first grabbing mechanism 7 is driven by the XYZ-axis three-direction moving module 8 to grab the cathode rod from the cathode storage station and transfer it to the molten salt liquid surface below the electrolytic cell 3 to form an electrolytic loop with the anode basket. After the electrolytic reaction is completed, the first grabbing mechanism 7 grabs the cathode assembly 5 again and transfers it to the automatic scraping device. At this time, the quick mounting clamp triggers automatic unlocking, so that the cathode rod at the lower part of the cathode assembly 5 is separated from the cathode conductive rod and remains in the automatic scraping device for scraping operation.

[0062] At this time, the first grabbing mechanism 7 drives the cathode conductive rod to continue to transfer to the cathode storage station, grabs a new cathode rod, and then automatically locks the connection through the quick mounting clamp, and then transfers to the electrolytic cell 3 through the XYZ-axis three-direction moving module 8 for electrolysis.

[0063] (5) Cathode rod scraping, using lathe type scraping principle, the cathode rod is driven by the servo drive assembly 12 to feed the scraper assembly 11 along the axial and radial direction of the cathode rod, and cooperates with the rotary motion of the cathode rod to realize efficient stripping of the product. The noble metal product scraped is collected to the collection assembly, and then transferred to the next process through the running roller; and the cathode conductive rod is transferred back to the storage station by the first grabbing mechanism 7, and then recycled into electrolysis after reconnection with a new cathode rod.

[0064] In summary, the energy-saving type noble metal molten salt electrolytic refining device has the advantages of simple and ingenious structure, integration of the current collection deposition reaction device, automatic loading and unloading of the anode basket, directional transfer and automatic scraping of the cathode rod, and full-sealing atmosphere protection function, which completely breaks the limitation of traditional device dispersion arrangement, and can complete automatic continuous operation without manual transfer or additional conveying device, and has the advantages of energy saving and consumption reduction, compact space layout, and effective avoidance of molten salt oxidation and noble metal pollution, and greatly improved production efficiency.

[0065] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An energy-saving precious metal molten salt electrolytic refining apparatus, characterized in that, It comprises an electrical control system, an electrodeposition reaction device (1), an anode basket loading and unloading mechanism and a cathode transfer mechanism, The electrodeposition reaction device (1) comprises an electric resistance furnace (2), an electrolytic tank (3), an anode basket assembly and a cathode assembly (5), the anode basket assembly comprises an anode basket body (4) and an anode conductive rod connected with each other, the cathode assembly (5) comprises a cathode rod and a cathode conductive rod connected with each other, and the electrolytic tank (3) is arranged in the heating cavity of the electric resistance furnace (2) and used for heating the electrolytic tank (3); A sealing furnace cover (6) is arranged on the top of the electrolytic tank (3), the sealing furnace cover (6) is provided with through holes matched with the anode conductive rod and the cathode conductive rod respectively, The upper end of the anode conductive rod is connected with the anode basket loading and unloading mechanism, and the upper end of the cathode conductive rod is connected with the cathode transfer mechanism, The electrical control system is used for controlling the upward and downward movement of the anode basket loading and unloading mechanism and the cathode transfer mechanism respectively, so that the conductive rods at the upper ends of the anode basket body (4) and the cathode rod are controlled to pass through the through holes and to move the anode basket body (4) and the cathode rod into or out of the electrolytic tank (3) from the inside of the electrolytic tank (3).

2. The energy-saving noble metal molten salt electrolytic refining device according to claim 1, characterized in that, It is also provided with a main body support frame platform (17), and the electrodeposition reaction device (1) is arranged at the bottom of the main body support frame platform (17), The anode basket loading and unloading mechanism and the cathode transfer mechanism are respectively arranged on the support frame platforms on the two sides of the electrodeposition reaction device (1), and are respectively a third support frame platform (13) and a second support frame platform (9).

3. The energy-saving noble metal molten salt electrolytic refining device according to claim 2, characterized in that, The anode basket loading and unloading mechanism comprises a grabbing rotary conductive device (15), a vertical support frame (14) and a Z-axis module, and the grabbing rotary conductive device (15) is provided with an automatic connecting joint matched with the upper joint of the anode basket body (4); The bottom of the vertical support frame (14) is rotatably installed on the third support frame platform (13) through a rotary mechanism, and the grabbing rotary conductive device (15) is slidably installed on the side wall of the vertical support frame (14) through the Z-axis module.

4. The energy-saving noble metal molten salt electrolytic refining device according to claim 3, characterized in that, An anode loading station (16) is also arranged on the third support frame platform (13), the anode loading station (16) is provided with a transfer roller way, and the anode basket body (4) is moved to the anode loading station (16) through the transfer roller way, The grabbing rotary conductive device (15) is rotated to the anode loading station (16) through the rotary mechanism, and the grabbing rotary conductive device (15) is controlled to move downward to perform a grabbing action through the Z-axis module, that is, the automatic connecting joint of the grabbing rotary conductive device (15) is automatically connected with the upper joint of the anode basket body (4), so that the anode basket body (4) is grabbed and transferred.

5. The energy-saving noble metal molten salt electrolytic refining device according to claim 2, characterized in that, The cathode transfer mechanism comprises a first grabbing mechanism (7), an XYZ-axis three-direction moving module (8) and a second support frame platform (9), The first grabbing mechanism (7) is installed on the second support frame platform (9) through an XYZ-axis three-direction moving module (8), and the first grabbing mechanism (7) can move along the X-axis, Y-axis and Z-axis directions through the movement of the XYZ-axis three-direction moving module (8), so that the cathode rod can be grabbed and transferred in a direction.

6. The energy-saving noble metal molten salt electrolytic refining device according to claim 5, characterized in that, The cathode conductive rod and the cathode rod are detachably coaxially connected through a quick mounting clamp, an annular molten salt baffle is further sleeved on the bottom of the cathode conductive rod above the quick mounting clamp, and the outer diameter of the molten salt baffle is greater than the diameter of the through hole. The cathode assembly (5) is provided with three groups, the anode conductive rod passes through the through hole in the middle of the sealing furnace cover (6), and the three groups of cathode conductive rods are distributed in the circumferences of the three through holes around the anode conductive rod. The quick mounting clamp also has an automatic unlocking and locking function. After the first grabbing mechanism (7) grabs the cathode conductive rod, it is transferred to a cathode storage station, a new cathode rod is grabbed through automatic locking and connection of the quick mounting clamp, and then the XYZ-axis three-direction moving module (8) is transferred into the electrolytic cell (3) for electrolysis reaction.

7. The energy-saving noble metal molten salt electrolytic refining device according to claim 5, characterized in that, It also includes a cathode rod automatic scraping device, the cathode rod is grabbed and transferred into the electrolytic cell (3) by the cathode transfer mechanism for electrolysis reaction, and the cathode rod after electrolysis is grabbed and moved to the automatic scraping device by the cathode transfer mechanism for automatic scraping and collection operation.

8. The energy-saving noble metal molten salt electrolytic refining device according to claim 7, characterized in that, The automatic scraping device includes a cathode rod sealed storage tank (10), a scraper assembly (11) and a servo drive assembly (12), the scraper assembly (11) is fixedly connected with the power output end of the servo drive assembly (12), and the servo drive assembly (12) is installed on the frame in the second support frame platform (9) through a guide rail sliding block structure. The cathode rod sealed storage tank (10) is vertically fixed to the frame below the second support frame platform (9) and includes a sealed tank body with a sealing cover and a cathode rod rotating drive mechanism, a working clamping groove matched with the scraper assembly (11) is formed in the side wall of the sealed tank body, The cathode rod rotating drive mechanism is installed on the first grabbing mechanism (7), and the electrical control system controls the cathode rod rotating drive mechanism to drive the cathode rod to rotate; The electrical control system controls the servo drive assembly (12) to drive the scraper assembly (11) to extend into the working clamping groove to a depth and move up and down; Meanwhile, the second support frame platform (9) below the automatic scraping device is also provided with a collection assembly and a running roller way matched with the position of the cathode rod sealed storage tank (10).

9. The energy saving noble metal molten salt electrolytic refining apparatus according to claim 2, characterized in that, Three translation conductive clamp devices matched with the cathode assembly (5) are arranged on the top beam of the main body support frame platform (17) outside the electrodeposition reaction device (1). The bottom of the electrodeposition reaction device (1) is fixedly connected with a base bracket (18), and the base bracket (18) is slidably arranged on the main body support frame platform (17) through a linear guide rail module (19).

10. The energy saving noble metal molten salt electrolytic refining apparatus according to claim 1, characterized in that, Cooling water channels are arranged at the cell wall of the electrolytic cell (3), and a molten salt suction port and a negative pressure atmosphere suction port are arranged at the lower part of the cooling water channels, A protection tank (20) is further arranged outside the electrolytic cell (3), and a leakage detection device is arranged between the electrolytic cell (3) and the protection tank (20); A temperature measuring hole is arranged on the sealing furnace cover (6) at the top of the electrolytic cell (3) for placing a temperature measuring thermocouple; The device further comprises an isolation glove operation box, and the noble metal molten salt electrolytic refining device is arranged in the glove operation box.

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