A platinum metal separation apparatus for spent platinum catalyst

Abstract

The application provides a platinum metal separation device for waste platinum catalyst, which comprises a device assembly for platinum metal separation, a liquid guide assembly arranged in the middle of the top of the device assembly, and an internal assembly for placing materials and sliding along the liquid guide assembly, the device assembly comprises a reaction tank, a filter tank sleeved at the bottom of the reaction tank, and a top cover movably arranged at the top of the reaction tank, a second batch of materials is stirred and reacted in the reaction tank, then the material placing part is moved downward by a lifting part, a third batch of materials is placed on the material placing part after the movement for reaction, the reacted solution is discharged into the filter tank through the stirring part and the liquid discharge part, and finally the reacted solution is filtered and discharged from the filter tank, so that the new reaction and the filtering of the old solution can be processed in parallel, the next batch reaction does not need to wait for the filtering to be completely finished, the overall production cycle is greatly shortened, and the continuous operation efficiency of the equipment is significantly improved.

Description

Technical Field

[0002] This invention relates to the field of platinum metal recycling technology, and in particular to a platinum metal separation device for waste platinum catalysts. Background Technology

[0003] Platinum (Pt), a core member of the platinum group metals, is widely used in petroleum refining, chemical synthesis, automotive exhaust purification, fuel cells, and pharmaceutical manufacturing due to its unique electronic structure, excellent catalytic performance (such as hydrogenation, dehydrogenation, and redox reactions), and chemical stability. Global platinum resources exhibit a pyramid-shaped supply and demand structure, with South Africa and Russia controlling primary mineral resources, while Japan and Germany dominate the high-end market through regeneration technologies. my country's dependence on imported platinum resources exceeds 80%, making platinum regeneration technology a key path to overcome resource bottlenecks. Waste platinum catalysts are platinum-containing waste products from industrial catalytic reactions, typically containing 0.1%-5% platinum, far exceeding that of primary ore (0.001%-0.01%). Through regeneration technology, waste platinum catalysts can achieve a "second awakening" of their catalytic performance.

[0004] The platinum metal separation device for waste platinum catalysts uses a four-step process of pretreatment, leaching, purification, and reduction recovery to separate and purify platinum from the waste catalyst. In the leaching process, chemical reagents and waste platinum catalyst powder are introduced into a reaction vessel for stirring and reaction, converting the platinum in the solid into soluble platinum ions. Then, the leachate is transferred to a filtration device for filtration to remove solid impurities.

[0005] Currently, to avoid risks such as loss and contamination of leachate during the transfer process, existing technologies often use reactors with filtration functions. However, the filtration speed of waste platinum catalysts on different carriers varies. For example, platinum catalysts on alumina carriers have coarse filter residue particles that do not agglomerate, resulting in a faster filtration speed, while platinum catalysts on activated carbon carriers have soft particles that are easily broken, leading to a slower filtration speed. Using reactors with filtration functions for catalysts with slow filtration speeds will prolong the reactor's occupancy time, affecting subsequent leaching reactions and reducing processing efficiency. Summary of the Invention

[0006] Based on this, the purpose of this invention is to provide a platinum metal separation device for waste platinum catalysts, so as to fundamentally solve the problem that existing reactors with filtration functions will affect subsequent leaching reactions and thus affect processing efficiency.

[0007] According to an embodiment of the present invention, a platinum metal separation device for waste platinum catalyst includes a device assembly for platinum metal separation, a liquid guiding component disposed at the top center of the device assembly, and a built-in component that slides along the liquid guiding component and is used for placing materials. The device assembly includes a reaction vessel, a filter vessel fitted at the bottom of the reaction vessel, and a top cover movably disposed at the top of the reaction vessel. The liquid guiding assembly includes a stirring element disposed at the middle of the top of the top cover and a draining element disposed at the middle of the bottom of the reaction vessel. The bottom of the stirring element and the top of the draining element are fitted together. The first batch of materials to be processed in the reaction tank is stirred by the agitator, the processed materials are discharged into the filter tank for filtration by the draining device, and the next batch of materials to be processed is reacted in the reaction tank by the built-in components, so as to achieve the effect of multiple batches of materials reacting.

[0008] Furthermore, the stirring component includes a first motor, a stirring rod disposed at the bottom output end of the first motor, a stirring blade disposed at the bottom of the stirring rod, a clearance groove formed at the top of the stirring rod, a first drainage channel formed in the middle of the bottom of the stirring rod, and a water-permeable hole formed at one end of the bottom of the first drainage channel. The stirring rod is rotatable when the material placement component moves to the clearance groove.

[0009] Furthermore, the liquid guiding assembly also includes a movable component embedded inside the stirring rod, and a plugging component movably embedded inside the permeable hole. The movable component includes a second spring disposed at the top of the first drainage channel, a sealing cylinder disposed at the bottom of the second spring, and a plurality of connecting holes opened at the end of the sealing cylinder facing the permeable hole. The number of connecting holes is consistent with the number of permeable holes. The sealing cylinder moves through the drainage component.

[0010] Furthermore, the permeable hole includes a first permeable hole opened in the first drainage channel facing the second spring, and a plurality of second permeable holes opened in the first drainage channel away from the second spring. The built-in component is connected to the sealing cylinder through the permeable hole.

[0011] Furthermore, the plugging component includes an installation cylinder, a bracket disposed at one end of the installation cylinder facing the plugging cylinder, a limiting ring disposed at one end of the installation cylinder away from the plugging cylinder, a second trigger rod passing through the middle of the bracket, a plugging plate disposed at one end of the second trigger rod away from the plugging cylinder, a first trigger rod disposed at one end of the plugging plate away from the second trigger rod, an inner expansion groove formed in the middle of the interior of the installation cylinder, and an insertion hole formed in the middle of the bracket. The plugging plate moves via the first trigger rod and the second trigger rod.

[0012] Furthermore, the draining component includes a sealing block, a regulating valve disposed at the top center of the sealing block, a first electric actuator disposed between the sealing block and the filter tank, and at least two second draining channels opened at both ends of the bottom of the sealing block, wherein the top of the sealing block and the bottom of the first draining channel are fitted together.

[0013] Furthermore, the built-in components include a material placement component, at least four lifting components disposed between the material placement component and the top cover, at least four limiting components disposed inside the material placement component, and at least four vertical expansion grooves disposed at the bottom of the inner wall of the reaction vessel. The material placement component includes a filter frame, at least four filter plates disposed around the filter frame, an extrusion cylinder passing through the middle of the filter frame, at least four filter elements disposed around the middle of the extrusion cylinder, and a sliding groove opened around the inside of the filter frame. The limiting components move through the vertical expansion grooves to separate the filter frame and the extrusion cylinder.

[0014] Furthermore, the limiting member includes a slide rod, a locking pin disposed on one end of the slide rod facing the extrusion cylinder, a first spring disposed around the locking pin, and a slot formed on the extrusion cylinder facing the locking pin. The first spring is also disposed between the slide rod and the slot. The filter frame drives the extrusion cylinder to move downward through the locking pin.

[0015] Furthermore, the lifting component includes a mounting box disposed inside the top cover, a take-up roller disposed in the middle of the mounting box, a second motor disposed between the take-up roller and the mounting box, and a traction rope disposed between the take-up roller and the filter frame, wherein the movement range of the filter frame is controlled by the traction rope.

[0016] Furthermore, the device assembly also includes a solid feed pipe disposed at one end of the top of the reaction vessel, at least two gas-liquid inlet pipes disposed at the top of the top cover, and a discharge pipe disposed in the middle of the bottom of the filter tank. The filter tank includes a tank body, at least four second electric actuators disposed at the top of the inside of the tank body, a support frame disposed at the bottom of the second electric actuators, and a filter screen disposed in the middle of the bottom of the support frame. The filter screen moves along the extended end of the first electric actuator via the second electric actuators.

[0017] Compared with the prior art, the platinum metal separation device for waste platinum catalyst in the above embodiments of the present invention uses a stirrer to stir the first batch of materials inside the reaction tank. After the reaction, the resulting solution and smaller impurities enter the filter tank through the drain. Then, by lowering the drain component, larger impurities and remaining solution enter the filter tank through the holes created by the downward movement of the drain component, allowing the impurities to continue to be filtered in the filter tank. At the same time, the operator puts the second batch of materials into the reaction tank for stirring and reaction. After the second batch of materials reacts and is filtered, the lifting component moves the placing component downward, and then the third batch of materials is placed on the placing component for reaction. The reacted solution is discharged into the filter tank through the stirrer and the drain. Finally, the reacted solution is filtered and discharged from the filter tank. The above operation allows the new reaction to proceed and the old solution to be filtered in parallel, without waiting for the filtration to be completely finished before starting the next batch of reaction, thereby significantly shortening the overall production cycle and significantly improving the continuous operation efficiency of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a platinum metal separation device for waste platinum catalyst in an embodiment of the present invention; Figure 2 This is a partial cross-sectional schematic diagram of a platinum metal separation device for waste platinum catalyst in an embodiment of the present invention. Figure 3 This is a schematic diagram of the stirring element in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention; Figure 4 This is a partial cross-sectional structural diagram of the draining component in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention. Figure 5 This is a partial cross-sectional structural diagram of the material placement component in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention. Figure 6 This is a frontal cross-sectional view of the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention. Figure 7 This is an enlarged structural diagram of point A in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention; Figure 8 This is an enlarged structural diagram of point B in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention. Figure 9 This is a partial cross-sectional schematic diagram of the plugging component in the platinum metal separation device for waste platinum catalyst in an embodiment of the present invention.

[0019] Explanation of key component symbols:

[0020] The following detailed description of the embodiments will further illustrate the present invention in conjunction with the above-described accompanying drawings. Detailed Implementation

[0021] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of the invention are illustrated in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

[0022] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] Please see Figures 1 to 9 The diagram shows a platinum metal separation device for waste platinum catalysts according to an embodiment of the present invention. It includes a device assembly for platinum metal separation, a liquid guiding component disposed at the top center of the device assembly, and a built-in component that slides along the liquid guiding component and is used to place materials. The device assembly includes a reaction tank 1, a filter tank 2 fitted at the bottom of the reaction tank 1, and a top cover 3 movably disposed at the top of the reaction tank 1. The liquid guiding component includes a stirring element disposed at the top center of the top cover 3 and a draining element disposed at the bottom center of the reaction tank 1. The bottom of the stirring element and the top of the draining element are interlocked. The stirring element agitates the first batch of materials to be processed in the reaction tank 1, and the draining element discharges the processed materials into the filter tank 2 for filtration. The built-in component reacts the next batch of materials to be processed in the reaction tank 1, achieving a multi-batch reaction effect.

[0025] Furthermore, the stirring component includes a first motor 7, a stirring rod 8 disposed at the bottom output end of the first motor 7, a stirring blade 9 disposed at the bottom of the stirring rod 8, a clearance groove 10 opened at the top of the stirring rod 8, a first drainage channel 29 opened in the middle of the bottom of the stirring rod 8, and a water-permeable hole opened at one end of the bottom of the first drainage channel 29. The stirring rod 8 can rotate when the material placement component moves to the clearance groove 10. The liquid guiding assembly also includes a movable component embedded inside the stirring rod 8, and a plugging component movably embedded inside the water-permeable hole. The movable component includes a second spring 31 disposed at the top of the first drainage channel 29, a sealing cylinder 32 disposed at the bottom of the second spring 31, and a plurality of connecting holes 33 opened at the end of the sealing cylinder 32 facing the water-permeable hole, for connecting... The number of holes 33 is consistent with the number of permeable holes. The sealing cylinder 32 moves through the drainage component. The permeable holes include a first permeable hole 30 opened at the end of the first drainage channel 29 facing the second spring 31, and a plurality of second permeable holes 34 opened at the end of the first drainage channel 29 away from the second spring 31. The built-in component communicates with the sealing cylinder 32 through the permeable holes. The plugging component includes a mounting cylinder 35, a bracket 37 disposed at the end of the mounting cylinder 35 facing the sealing cylinder 32, a limiting ring 42 disposed at the end of the mounting cylinder 35 away from the sealing cylinder 32, a second trigger rod 40 passing through the middle of the bracket 37, a sealing plate 38 disposed at the end of the second trigger rod 40 away from the sealing cylinder 32, and a first permeable hole 34 disposed at the end of the sealing plate 38 away from the second trigger rod 40. The components include a trigger rod 39, an inner expansion groove 36 located in the middle of the mounting cylinder 35, and an insertion hole 41 located in the middle of the bracket 37. The sealing plate 38 moves via the first trigger rod 39 and the second trigger rod 40. The drainage component includes a sealing block 11, a regulating valve 13 located in the middle of the top of the sealing block 11, a first electric push rod 12 located between the sealing block 11 and the filter tank 2, and at least two second drainage channels 14 located at both ends of the bottom of the sealing block 11. The top of the sealing block 11 fits into the bottom of the first drainage channel 29. The built-in components include a material placement component, at least four lifting components located between the material placement component and the top cover 3, at least four limiting components located inside the material placement component, and at least four vertical expansion grooves 2 located at the bottom of the inner wall of the reaction tank 1. 8. The feeding component includes a filter frame 15, at least four filter plates 16 disposed around the filter frame 15, an extrusion cylinder 25 penetrating through the middle of the filter frame 15, at least four filter elements 27 disposed around the middle of the extrusion cylinder 25, and a sliding groove 21 formed around the inside of the filter frame 15. The limiting body moves through the vertical expansion groove 28 to separate the filter frame 15 and the extrusion cylinder 25. The limiting body includes a slide rod 22, a locking pin 23 disposed at one end of the slide rod 22 facing the extrusion cylinder 25, a first spring 24 disposed around the locking pin 23, and a locking groove 26 formed at one end of the extrusion cylinder 25 facing the locking pin 23. The first spring 24 is also disposed between the slide rod 22 and the sliding groove 21. The filter frame 15 drives the extrusion cylinder 25 to move downward through the locking pin 23.The lifting assembly includes a mounting box 20 inside the top cover 3, a take-up roller 18 in the middle of the mounting box 20, a second motor 19 between the take-up roller 18 and the mounting box 20, and a traction rope 17 between the take-up roller 18 and the filter frame 15. The filter frame 15's movement range is controlled by the traction rope 17. The assembly also includes a solid feed pipe 4 at one end of the top of the reaction tank 1, at least two gas-liquid inlet pipes 5 at the top of the top cover 3, and a discharge pipe 6 in the middle of the bottom of the filter tank 2. The filter tank 2 includes a tank body, at least four second electric actuators at the top inside the tank body, a support frame at the bottom of the second electric actuators, and a filter screen in the middle of the bottom of the support frame. The filter screen moves along the extended end of the first electric actuator 12 via the second electric actuators.

[0026] In practice, the material is fed into the reaction tank 1 through the solid feed pipe 4. Then, the first motor 7 drives the stirring rod 8 and stirring blade 9 to rotate, so that the material reacts and produces a solution inside the reaction tank 1 while being stirred by the stirring blade 9. After the material reacts, the regulating valve 13 on the top of the sealing block 11 is opened, so that the solution and smaller impurities produced after the material reaction enter the second drain channel 14 through the regulating valve 13. The solution and smaller impurities in the second drain channel 14 eventually flow into the filter tank 2. Since the solution and smaller impurities first flow to the top of the filter screen, and the discharge pipe 6 is connected to an external double-way valve, the filter screen in the filter tank 2 will first perform secondary filtration on the incoming solution and smaller impurities. The filtered solution and smaller impurities will then... The solution and smaller impurities inside the reaction tank 1 are discharged separately through the double-way valve at the discharge pipe 6. After the solution and smaller impurities inside the reaction tank 1 are discharged into the filter tank 2, the first electric push rod 12 will drive the sealing block 11 to move downwards, so that the hole at the bottom of the reaction tank 1 can be opened, so that the larger impurities and remaining solution inside the reaction tank 1 can be discharged into the filter tank 2 through the hole for further filtration. After the discharge is completed, the first electric push rod 12 will move the sealing block 11 upwards to its original position and close the regulating valve 13. The operator can then put the second batch of material into the reaction tank 1 again through the solid feed pipe 4 for stirring and reaction. This operation allows the new reaction to proceed and the filtration of the old solution to be processed in parallel, without waiting for the filtration to be completely finished before starting the next batch of reaction, thereby greatly shortening the overall production cycle and significantly improving the continuous operation efficiency of the equipment.

[0027] Furthermore, because the top of the stirring rod 8 is provided with a relief groove 10, the bottom of the extrusion cylinder 25 is located at the relief groove 10 when it is not moving downwards. Since the outer diameter of the relief groove 10 is smaller than the inner diameter of the bottom of the extrusion cylinder 25, the stirring rod 8 is not affected by the extrusion cylinder 25 when rotating. Correspondingly, the filter frame 15 is also located between the top of the solid feed pipe 4 and the bottom of the mounting box 20, and will not affect the material entering the solid feed pipe 4. Moreover, before the filter frame 15 moves downwards, the first electric push rod 12 pushes the sealing block 11 towards the bottom of the stirring rod 8. Simultaneously, the sealing block 11 moves the sealing cylinder 32 upwards, aligning the connecting hole 33 of the sealing cylinder 32 with the water permeable hole. After alignment, the regulating valve 13 is opened. Therefore, in second After the batch of materials is filtered, the second motor 19 drives the take-up roller 18 to rotate. When the take-up roller 18 rotates, the vertical range of the filter frame 15 is controlled by the traction rope 17. Since the filter frame 15 is made of a heavier material and the extrusion cylinder 25 is made of a lighter material, when the filter frame 15 moves the extrusion cylinder 25 to the vertical expansion groove 28, the slide rod 22 will move towards the vertical expansion groove 28 due to the gap between the vertical expansion groove 28 and the filter frame 15, under the rebound of the first spring 24. After the slide rod 22 drives the locking pin 23 to move out of the corresponding locking groove 26, the extrusion cylinder 25 will no longer move with the filter frame 15. 5. Moving downwards together, when the third batch of material falls from the solid feed pipe 4 onto the filter frame 15, the filter frame 15 will move downwards along the vertical expansion groove 28 and the extrusion cylinder 25 due to the weight of the material and its own weight, until the filter frame 15 moves to the top of the material at the bottom of the reaction tank 1 or the bottom of the vertical expansion groove 28. After the filter frame 15 stops moving, the reaction tank 1 can process the third batch of material. The filter frame 15 and the extrusion cylinder 25 are designed to move up and down, so that the position of the filter frame 15 can be adjusted according to the accumulation of the second batch of material, so as to better shorten the overall production cycle.

[0028] Next, due to the inverted triangular design at the bottom of the extrusion cylinder 25, as the extrusion cylinder 25 moves downwards along with the filter frame 15, it can better insert into the middle of the second batch of materials. It will gradually insert into the corresponding depth of the second batch of materials as the filter frame 15 moves. The solution produced after the reaction of the third batch of materials will be filtered downwards by the filter plate 16 at the filter frame 15. The filtered solution will flow through the filter element 27 into the sealing cylinder 32 of the extrusion cylinder 25. Some solution will also flow into the interior of the extrusion cylinder 25 from the top. As the extrusion cylinder 25 moves along the stirring rod 8, the inner wall at the bottom of the extrusion cylinder 25 will contact the water permeable holes at different locations. The contact of the pressure cylinder 25 will move the first trigger rod 39 at the corresponding position to the second trigger rod 40. The movement of the first trigger rod 39 will move the sealing plate 38 away from the limiting ring 42, so that the solution in the pressure cylinder 25 can flow into the sealing cylinder 32 through the corresponding mounting cylinder 35 (the mounting cylinder 35 that removes the sealing plate 38). The solution flowing into the sealing cylinder 32 will block the connecting hole 33 of the sealing cylinder 32 and flow into the second drainage channel 14 of the sealing block 11, and then flow into the filter tank 2 for further filtration through the second drainage channel 14. The setting of the water permeable hole and the plugging component avoids the problem that the solution at the top and bottom of the filter frame 15 cannot flow into the filter tank 2.

[0029] Next, when processing the impurities filtered in reaction tank 1 and filter tank 2, the feeding component is moved upwards by the lifting device. As the filter frame 15 of the feeding component gradually moves out of the vertical expansion groove 28, the inner wall of reaction tank 1 will squeeze the slide rod 22 of the filter frame 15, causing the slide rod 22 to drive the locking pin 23 and the first spring 24 to move towards the corresponding locking groove 26 until the locking pin 23 is inserted into the locking groove 26. Only then will the filter frame 15 continue to move upwards under the drive of the traction rope 17. When the filter frame 15 moves to the top of reaction tank 1, the operator... This allows for the removal of impurities from the top of the material placement component. To remove impurities from the bottom of the filter frame 15, the first electric actuator 12 moves the sealing block 11 downwards, causing all impurities from the bottom of the reaction tank 1 to be discharged into the filter tank 2. Meanwhile, the bottom of the sealing cylinder 32, lacking the support of the sealing block 11, moves downwards under the rebound of the second spring 31. Simultaneously, the outer wall of the sealing cylinder 32 moves the extended second trigger rod 40 towards the first trigger rod 39, causing the sealing plate 38 to fit against the limiting ring 42, thus sealing the water-permeable holes. ， Then, the reaction vessel 1 is removed from the top of the filter vessel 2. After removal, the support frame and filter screen are moved upward by the second electric actuator so that the operator can remove and process the larger impurities inside the filter vessel 2 for the next use of the platinum metal separation device for waste platinum catalysts in this application.

[0030] In some alternative embodiments, the filter plate 16 can be fixed in the filter frame 15 by pressing it from top to bottom, so that when cleaning the filter plate 16, it can be removed from the filter frame 15 by pushing it from bottom to top. This operation makes it convenient for operators to clean and replace the filter plate 16 after use, and avoids the accumulation of impurities in the filter plate 16 after long-term use, which would lead to poor filtration effect in the later stage.

[0031] In summary, the platinum metal separation device for waste platinum catalysts in the above embodiments of the present invention uses a stirrer to stir and react the first batch of materials inside the reaction tank 1. The resulting solution and smaller impurities enter the filter tank 2 through the drain component. Then, by lowering the drain component, larger impurities and remaining solution are allowed to enter the filter tank 2 through the holes created by the downward movement of the drain component, allowing the impurities to continue to be filtered in the filter tank 2. Simultaneously, the operator puts the second batch of materials into the reaction tank 1 for stirring and reaction. After the second batch of materials reacts and is filtered, the lifting component moves the placing component downward, and then the third batch of materials is placed on the placing component for reaction. The reacted solution is discharged into the filter tank 2 through the stirrer and drain component. Finally, the reacted solution is filtered and discharged from the filter tank 2. The above operation allows the new reaction to proceed and the old solution to be filtered in parallel, without waiting for the filtration to be completely finished before starting the next batch of reaction, thereby significantly shortening the overall production cycle and significantly improving the continuous operation efficiency of the equipment.

[0032] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A platinum metal separation device for waste platinum catalysts, characterized in that, It includes an assembly for separating platinum metal, a liquid guiding component disposed at the top center of the assembly, and a built-in component that slides along the liquid guiding component and is used to place materials. The device assembly includes a reaction vessel, a filter vessel fitted at the bottom of the reaction vessel, and a top cover movably disposed at the top of the reaction vessel. The liquid guiding assembly includes a stirring element disposed at the middle of the top of the top cover and a draining element disposed at the middle of the bottom of the reaction vessel. The bottom of the stirring element and the top of the draining element are fitted together. The first batch of materials to be processed in the reaction tank is stirred by the agitator, the processed materials are discharged into the filter tank for filtration by the draining device, and the next batch of materials to be processed is reacted in the reaction tank by the built-in components, so as to achieve the effect of multiple batches of materials reacting.

2. The platinum metal separation device for waste platinum catalysts according to claim 1, characterized in that, The stirring component includes a first motor, a stirring rod disposed at the bottom output end of the first motor, stirring blades disposed at the bottom of the stirring rod, a clearance groove formed at the top of the stirring rod, a first drainage channel formed in the middle of the bottom of the stirring rod, and a water-permeable hole formed at one end of the bottom of the first drainage channel. The stirring rod is rotatable when the material placement component moves to the clearance groove.

3. The platinum metal separation device for waste platinum catalysts according to claim 2, characterized in that, The liquid guiding assembly also includes a movable component embedded inside the stirring rod, and a plugging component movably embedded inside the permeable hole. The movable component includes a second spring disposed at the top of the first drainage channel, a sealing cylinder disposed at the bottom of the second spring, and a plurality of connecting holes opened at the end of the sealing cylinder facing the permeable hole. The number of connecting holes is consistent with the number of permeable holes. The sealing cylinder moves through the drainage component.

4. The platinum metal separation device for waste platinum catalysts according to claim 3, characterized in that, The permeable holes include a first permeable hole opened in the first drainage channel facing one end of the second spring, and a plurality of second permeable holes opened in the first drainage channel away from the second spring. The built-in component is connected to the sealing cylinder through the permeable holes.

5. The platinum metal separation device for waste platinum catalysts according to claim 3, characterized in that, The plugging component includes an installation cylinder, a bracket disposed at one end of the installation cylinder facing the plugging cylinder, a limiting ring disposed at one end of the installation cylinder away from the plugging cylinder, a second trigger rod passing through the middle of the bracket, a plugging plate disposed at one end of the second trigger rod away from the plugging cylinder, a first trigger rod disposed at one end of the plugging plate away from the second trigger rod, an inner expansion groove opened in the middle of the installation cylinder, and an insertion hole opened in the middle of the bracket. The plugging plate moves through the first trigger rod and the second trigger rod.

6. The platinum metal separation device for waste platinum catalyst according to claim 2, characterized in that, The draining component includes a sealing block, a regulating valve located at the top center of the sealing block, a first electric actuator located between the sealing block and the filter tank, and at least two second draining channels opened at both ends of the bottom of the sealing block, wherein the top of the sealing block and the bottom of the first draining channel are interlocked.

7. The platinum metal separation device for waste platinum catalyst according to claim 1, characterized in that, The built-in components include a material placement component, at least four lifting components disposed between the material placement component and the top cover, at least four limiting components disposed inside the material placement component, and at least four vertical expansion grooves disposed at the bottom of the inner wall of the reaction vessel. The material placement component includes a filter frame, at least four filter plates disposed around the filter frame, an extrusion cylinder passing through the middle of the filter frame, at least four filter elements disposed around the middle of the extrusion cylinder, and a sliding groove opened around the inside of the filter frame. The limiting components move through the vertical expansion grooves to separate the filter frame and the extrusion cylinder.

8. The platinum metal separation device for waste platinum catalyst according to claim 7, characterized in that, The limiting component includes a slide rod, a locking pin disposed on one end of the slide rod facing the extrusion cylinder, a first spring disposed around the locking pin, and a slot formed on the extrusion cylinder facing the locking pin. The first spring is also disposed between the slide rod and the slot. The filter frame drives the extrusion cylinder to move downward through the locking pin.

9. The platinum metal separation device for waste platinum catalyst according to claim 7, characterized in that, The lifting component includes a mounting box inside the top cover, a take-up roller in the middle of the mounting box, a second motor between the take-up roller and the mounting box, and a traction rope between the take-up roller and the filter frame. The movement range of the filter frame is controlled by the traction rope.

10. The platinum metal separation device for waste platinum catalysts according to claim 5, characterized in that, The device assembly also includes a solid feed pipe disposed at one end of the top of the reaction vessel, at least two gas-liquid inlet pipes disposed at the top of the top cover, and a discharge pipe disposed in the middle of the bottom of the filter tank. The filter tank includes a tank body, at least four second electric actuators disposed at the top of the inside of the tank body, a support frame disposed at the bottom of the second electric actuators, and a filter screen disposed in the middle of the bottom of the support frame. The filter screen moves along the extended end of the first electric actuator via the second electric actuators.

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