CN114480851A - Retrieve recovery unit of metal platinum in follow platinum carbon catalyst - Google Patents
Retrieve recovery unit of metal platinum in follow platinum carbon catalyst Download PDFInfo
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- CN114480851A CN114480851A CN202210068222.1A CN202210068222A CN114480851A CN 114480851 A CN114480851 A CN 114480851A CN 202210068222 A CN202210068222 A CN 202210068222A CN 114480851 A CN114480851 A CN 114480851A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/048—Recovery of noble metals from waste materials from spent catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Manufacturing & Machinery (AREA)
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- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a recovery device for recovering metal platinum from a platinum-carbon catalyst, which comprises a base, wherein a fixing part is arranged on the base, the fixing part comprises a lifting plate and a moving plate, a rotating shaft is rotatably arranged on the lifting plate, a connecting mechanism is arranged between the lifting plate and the moving plate, the connecting mechanism comprises a circular plate and a push rod, one end of the push rod is rotatably connected with the moving plate, the other end of the push rod is rotatably connected with the circular plate, a supporting block is arranged on the base, a guide groove is arranged on the supporting block, a processing part is arranged on the guide groove, a screening part is slidably arranged on the processing part, and a moving frame is fixedly arranged on one side of the processing part. According to the recovery device, the fixed part is adopted to submerge and crush the platinum-carbon catalyst, the movable plate is used for dispersing raw materials, the movable frame is rotatably provided with the water storage tank, the movable water storage tank is used for soaking and filtering the platinum-carbon catalyst for multiple times, impurities are removed, the metal platinum is fully purified, the screening part moves in a reciprocating mode, the powdered platinum-carbon catalyst is dispersed, the contact area between the powdered platinum-carbon catalyst and a solution is increased, and the purification efficiency is accelerated.
Description
Technical Field
The invention relates to a recovery device, in particular to a recovery device for recovering metal platinum from a platinum-carbon catalyst.
Background
Platinum carbon is a carrier catalyst for loading platinum on active carbon, belongs to one of noble metal catalysts, can be used in the fields of pharmacy, electronics and the like, has high selectivity and activity and long service life, can be circulated for more than dozens of times in the same system, has small dosage which is less than 10 percent of Raney nickel, can carry out reaction at low temperature, low pressure and even normal temperature and pressure, and can be recovered, purified and reprocessed.
The existing platinum-carbon catalyst needs to be recovered and purified, the traditional purification process needs to be manually crushed, then the powder is soaked and filtered to obtain a solution containing platinum powder, the soaking and filtering effects are poor, and the metal platinum cannot be fully extracted.
Disclosure of Invention
The invention aims to provide a recovery device for recovering metal platinum from a platinum-carbon catalyst, which solves the problems of troublesome operation and poor recovery effect in the prior art of recovering and extracting the metal platinum.
The purpose of the invention can be realized by the following technical scheme:
a recovery device for recovering metal platinum from a platinum-carbon catalyst comprises a base, wherein a fixing piece is arranged on the base.
The fixing piece comprises a lifting plate and a moving plate, a rotating shaft is arranged on the lifting plate in a rotating mode, a connecting mechanism is arranged between the lifting plate and the moving plate and comprises a circular plate and a push rod, one end of the push rod is connected with the moving plate in a rotating mode, and the other end of the push rod is connected with the circular plate in a rotating mode.
The base is provided with a supporting block, the supporting block is provided with a guide groove, the guide groove is provided with a processing piece, the processing piece is provided with a screening piece in a sliding mode, and one side of the processing piece is fixedly provided with a moving frame.
Furthermore, the base is provided with a chute for mounting the moving frame, the support block is rotatably provided with a lead screw, the base is provided with a support, the support is provided with a treatment box, the treatment box is provided with an inclined plate and a filter plate, an arc plate is arranged between the filter plate and the inclined plate, and the arc plate is provided with a separation block.
The separating block is provided with an open slot for a rotating shaft, the processing box is provided with a through slot in symmetrical distribution, the lifting plate is in sliding connection with the through slot, the processing box is provided with a guide rod, the rotating shaft is provided with a press roller, one side of the lifting plate is rotatably provided with a circular plate, one side of the moving plate is provided with a circular hole in symmetrical distribution, and one side of the moving plate is provided with a scraping plate.
Further, the round hole is matched with the guide rod.
Further, the treatment part comprises a bottom frame, the bottom frame is matched with a lead screw, a cylinder is arranged on the bottom frame, a sealing plate is arranged on one side of the cylinder in a rotating mode, a rotating shaft is arranged in the cylinder, a connecting rod is arranged on the rotating shaft, a shifting block is arranged at one end of the connecting rod, a partition plate with a filtering function is arranged on the rotating shaft, a stirring block is arranged on the partition plate, a vertical groove connected with the moving frame is arranged on one side of the cylinder, and a moving groove is formed in the cylinder.
Furthermore, screening spare is equipped with the arc piece of symmetric distribution including supporting the slide rail, one side of supporting the slide rail, and one side fastening of arc piece is equipped with the spring, and the one end and the drum fastening of spring are connected, are equipped with the dispersing box on supporting the slide rail, are equipped with the apopore on the dispersing box.
Furthermore, the support slide rail is matched with the moving groove, and the arc-shaped block is matched with the shifting block.
Further, the movable frame comprises a movable plate, a matching block is arranged at one end of the movable plate, a first gear is arranged on one side of the movable plate in a rotating mode, a supporting rod is arranged on the movable plate, a clamping block is arranged at one end of the supporting rod, the clamping block is matched with the vertical groove, the supporting rod is fixed, a second gear is arranged on the supporting rod in a rotating mode, a mounting plate is arranged on one side of the second gear, a water storage tank is arranged on one side of the mounting plate in a rotating mode, and a water valve and a balancing weight are arranged at one end of the water storage tank.
The second gear is matched with the first gear.
The invention has the beneficial effects that:
1. according to the recovery device, the fixed part is adopted to submerge and crush the platinum-carbon catalyst, the movable plate disperses raw materials to prevent material blockage, the movable frame is rotatably provided with the water storage tank, the movable water storage tank is used for soaking and filtering the platinum-carbon catalyst for multiple times to remove impurities, and metal platinum is fully purified;
2. according to the recovery device, the screening element moves back and forth to disperse the powdered platinum-carbon catalyst, so that the contact area with the solution is increased, and the purification efficiency is accelerated.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the recycling apparatus of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
FIG. 3 is a schematic view of the fastener construction of the present invention;
FIG. 4 is a schematic view of a processing element according to the present invention;
FIG. 5 is a schematic view of a processing element according to the present invention;
FIG. 6 is a schematic view of the screening element of the present invention;
fig. 7 is a schematic structural view of the mobile frame of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A recovery unit for recovering metal platinum from a platinum-carbon catalyst comprises a base 1, as shown in figure 1, a fixing part 2 is fixedly arranged on the base 1, a processing part 3 is fixedly arranged on the base 1, a screening part 4 is slidably arranged on the processing part 3, a movable frame 5 is fixedly arranged on one side of the processing part 3, and the movable frame 5 is slidably connected with the base 1.
As shown in fig. 1 and 2, a chute 11 is arranged on a base 1, the chute 11 is used for installing a movable frame 5, a supporting block 12 is fixedly arranged on the base 1, a guide groove 121 is arranged on the supporting block 12, a lead screw 122 is arranged on the supporting block 12 in a rotating manner, a first motor 120 is fixedly arranged on one side of the base 1, an output end of the first motor 120 is tightly connected with the lead screw 122, a bracket 13 is fixedly arranged on the base 1, a processing box 131 is fixedly arranged on the bracket 13, a discharging baffle 132 is arranged on one side of the processing box 131, and the discharging baffle 132 is used for blocking a discharging port of the processing box 131.
One end of the treatment box 131 is provided with a second motor 130, the output end of the second motor 130 is fixedly connected with a discharge baffle 132, the treatment box 131 is provided with an inclined plate 14, the inclined plate 14 is obliquely arranged in the treatment box 131 and used for guiding materials, a filter plate 15 is fixedly arranged in the treatment box 131, an arc plate 16 is fixedly arranged between the filter plate 15 and the inclined plate 14, the arc plate 16 is provided with a separation block 17, and the separation block 17 is used for separating materials and supporting the fixing part 2.
An open groove 171 is fixedly arranged on the separating block 17, through grooves 18 which are symmetrically distributed are arranged on the processing box 131, first hydraulic rods 181 which are symmetrically distributed are arranged on the processing box 131, a guide rod 19 is fixedly arranged on the processing box 131, and the guide rod 19 is obliquely arranged on the processing box 131.
As shown in fig. 3, the fixing member 2 includes a lifting plate 21, a rotating shaft 22 is rotatably disposed on the lifting plate 21, a pressing roller 23 is fixedly disposed on the rotating shaft 22, a third motor 25 is fixedly disposed on one side of the lifting plate 21, the third motor 25 is tightly connected to the rotating shaft 22, the rotating shaft 22 is engaged with the open slot 171, a circular plate 24 is disposed on the other side of the lifting plate 21, and the circular plate 24 is tightly connected to the rotating shaft 22.
One side of the circular plate 24 is provided with a push rod 26, one end of the push rod 26 is provided with a moving plate 27, the other end of the push rod 26 is rotatably connected with the circular plate 24, the moving plate 27 is rotatably connected with the push rod 26, one side of the moving plate 27 is provided with symmetrically distributed round holes 28, the round holes 28 are matched with the guide rods 19 to slide, one side of the moving plate 27 is fixedly provided with a scraping plate 29, and the output end of the first hydraulic rod 181 is fixedly connected with the moving plate 27.
The platinum-carbon catalyst is crushed by rotating the press roller 23, and the crushed powder falls onto the sieve member 4.
As shown in fig. 4 and 5, the treating member 3 includes a bottom frame 31, a threaded hole 33 is formed on one side of the bottom frame 31, a cylinder 34 is fixedly disposed on the bottom frame 31, a sealing plate 322 is disposed on one side of the cylinder 34, a second hydraulic rod 32 is fixedly disposed on the bottom frame 31, a connecting rod 321 is rotatably disposed at an output end of the second hydraulic rod 32, and one end of the connecting rod 321 is rotatably connected to the sealing plate 322.
A rotating shaft 36 is rotatably arranged in the cylinder 34, a connecting rod 37 is fixedly arranged on the rotating shaft 36, a shifting block 38 is arranged at one end of the connecting rod 37, a partition plate 39 is fixedly arranged on the rotating shaft 36, filter holes are formed in the partition plate 39, stirring blocks 391 distributed in an array manner are fixedly arranged on the partition plate 39, and a vertical groove 35 is arranged on one side of the cylinder 34.
One end of the cylinder 34 is tightly provided with a fourth motor 360, the output end of the fourth motor 360 is tightly connected with the rotating shaft 36, and the cylinder 34 is provided with a moving groove 30.
The threaded hole 33 is engaged with the lead screw 122, and the chassis 31 is slidably coupled with the guide groove 121.
As shown in fig. 6, the screening element 4 includes a supporting slide rail 41, the supporting slide rail 41 slides in cooperation with the moving chute 30, an arc block 44 is fixed on one side of the supporting slide rail 41, the arc block 44 is symmetrically distributed, a spring 45 is arranged on one side of the arc block 44, one end of the spring 45 is fastened to the arc block 44, the other end of the spring is fastened to the inner wall of the cylinder 34, a dispersing box 42 is arranged on the supporting slide rail 41, a water outlet 43 is arranged on the dispersing box 42, and the arc block 44 is engaged with the shifting block 38.
The extraction solution is injected onto the screen member 4, and the extraction solution dissolves platinum in the platinum-carbon catalyst powder and then enters the cylinder 34 through the water outlet hole 43, and the undissolved part of the solids is in the dispersion tank 42.
As shown in fig. 7, the moving frame 5 includes a moving plate 51, one end of the moving plate 51 is fixedly provided with a matching block 511, the matching block 511 is matched with the sliding slot 11 to slide, one side of the moving plate 51 is fixedly provided with a fifth motor 54, the other side of the moving plate 51 is rotatably provided with a first gear 53, an output end of the fifth motor 54 is fixedly connected with the first gear 53, the moving plate 51 is fixedly provided with a support rod 52, one end of the support rod 52 is provided with a clamping block 56, the clamping block 56 is matched with the vertical slot 35, and the support rod 52 is fixed.
The support rod 52 is rotatably provided with a second gear 55, one side of the second gear 55 is fixedly provided with a mounting plate 57, the mounting plate 57 is rotatably connected with the support rod 52, one side of the mounting plate 57 is rotatably provided with a water storage tank 58, one end of the water storage tank 58 is provided with a water valve 59 and a balancing weight 50, and the balancing weight 50 is used for balancing weight to keep the water storage tank 58 horizontally upward.
The second gear 55 is engaged with the first gear 53.
During the use, put into the platinum carbon catalyst and handle the case 131, the platinum carbon catalyst slides to compression roller 23 department along swash plate 14, rotates compression roller 23 and arc 16 cooperation, submerges the smashing to the platinum carbon catalyst, and plectane 24 rotates, drives scraping plate 29 and removes, disperses the material on the swash plate 14, prevents the putty, improves crushing effect.
The crushed material enters the screening part 4, the extraction solution is injected for dissolution, the rotating shaft 36 is rotated to enable the shifting block 38 to push the arc-shaped block 44 to be matched with the spring 45, the screening part 4 is enabled to move back and forth, the dissolved liquid enters the upper cylinder 34 of the processing part 3, the rotating shaft 36 drives the partition plate 39 to rotate, the liquid is stirred, the rear partition plate 39 filters out substances which are not contained in the solution, the sealing plate 322 is opened, the solution enters the water storage tank 58, the mounting plate 57 is rotated, the water storage tank 58 is rotated to the screening part 4, the water valve 59 is opened, the liquid is poured into the screening part 4 for a plurality of times, the platinum is fully dissolved into the solution, and then the solution is reduced to obtain the metal platinum.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A recovery device for recovering metal platinum from a platinum-carbon catalyst comprises a base (1), and is characterized in that a fixing piece (2) is arranged on the base (1);
the fixing piece (2) comprises a lifting plate (21) and a moving plate (27), a rotating shaft (22) is rotatably arranged on the lifting plate (21), a connecting mechanism is arranged between the lifting plate (21) and the moving plate (27), the connecting mechanism comprises a circular plate (24) and a push rod (26), one end of the push rod (26) is rotatably connected with the moving plate (27), and the other end of the push rod is rotatably connected with the circular plate (24);
the base (1) is provided with a supporting block (12), the supporting block (12) is provided with a guide groove (121), the guide groove (121) is provided with a processing piece (3), the processing piece (3) is provided with a screening piece (4) in a sliding manner, and one side of the processing piece (3) is tightly provided with a movable frame (5).
2. The recovery device for recovering metal platinum from a platinum-carbon catalyst according to claim 1, wherein a chute (11) for mounting the moving frame (5) is arranged on the base (1), a lead screw (122) is rotatably arranged on the support block (12), a bracket (13) is arranged on the base (1), a treatment box (131) is arranged on the bracket (13), an inclined plate (14) and a filter plate (15) are arranged on the treatment box (131), an arc-shaped plate (16) is arranged between the filter plate (15) and the inclined plate (14), and a separation block (17) is arranged on the arc-shaped plate (16);
be equipped with open slot (171) that are used for pivot (22) on dividing block (17), handle and be equipped with symmetric distribution's logical groove (18) on case (131), lifter plate (21) and logical groove (18) sliding connection are equipped with guide arm (19) on handling case (131), are equipped with compression roller (23) on pivot (22), and one side of lifter plate (21) is rotated and is equipped with plectane (24), and one side of movable plate (27) is equipped with symmetric distribution's round hole (28), and one side of movable plate (27) is equipped with scraping plate (29).
3. The recovery apparatus for recovering platinum from a platinum-carbon catalyst as claimed in claim 2, wherein said circular hole (28) is engaged with the guide rod (19).
4. The recovery device for recovering metal platinum from platinum-carbon catalyst according to claim 2, wherein the processing member (3) comprises a base frame (31), the base frame (31) is matched with a lead screw (122), a cylinder (34) is arranged on the base frame (31), a sealing plate (322) is rotatably arranged on one side of the cylinder (34), a rotating shaft (36) is rotatably arranged in the cylinder (34), a connecting rod (37) is arranged on the rotating shaft (36), a shifting block (38) is arranged at one end of the connecting rod (37), a partition plate (39) with a filtering function is arranged on the rotating shaft (36), a stirring block (391) is arranged on the partition plate (39), a vertical groove (35) connected with the moving frame (5) is arranged on one side of the cylinder (34), and a moving groove (30) is arranged on the cylinder (34).
5. The recovery device for recovering metal platinum from a platinum-carbon catalyst according to claim 4, wherein the screening member (4) comprises a supporting slide rail (41), arc-shaped blocks (44) are symmetrically distributed on one side of the supporting slide rail (41), a spring (45) is fastened on one side of each arc-shaped block (44), one end of each spring (45) is fastened and connected with the cylinder (34), a dispersion box (42) is arranged on the supporting slide rail (41), and a water outlet hole (43) is arranged on each dispersion box (42).
6. The recovery device for recovering platinum from platinum-carbon catalyst according to claim 5, wherein said support slide (41) is engaged with the moving groove (30), and the arc-shaped block (44) is engaged with the shifting block (38).
7. The recovery device for recovering metal platinum from a platinum-carbon catalyst according to claim 1, wherein the moving frame (5) comprises a moving plate (51), one end of the moving plate (51) is provided with a matching block (511), one side of the moving plate (51) is rotatably provided with a first gear (53), the moving plate (51) is provided with a supporting rod (52), one end of the supporting rod (52) is provided with a clamping block (56), the clamping block (56) is matched with the vertical groove (35), the supporting rod (52) is fixed, the supporting rod (52) is rotatably provided with a second gear (55), one side of the second gear (55) is provided with an installation plate (57), one side of the installation plate (57) is rotatably provided with a water storage tank (58), and one end of the water storage tank (58) is provided with a water valve (59) and a balancing weight (50);
the second gear (55) is engaged with the first gear (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068222.1A CN114480851B (en) | 2022-01-20 | 2022-01-20 | Recovery device for recovering metal platinum from platinum-carbon catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068222.1A CN114480851B (en) | 2022-01-20 | 2022-01-20 | Recovery device for recovering metal platinum from platinum-carbon catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114480851A true CN114480851A (en) | 2022-05-13 |
| CN114480851B CN114480851B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210068222.1A Active CN114480851B (en) | 2022-01-20 | 2022-01-20 | Recovery device for recovering metal platinum from platinum-carbon catalyst |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2364638C1 (en) * | 2008-03-24 | 2009-08-20 | Учреждение Российской академии наук Институт неорганической химии им. А.В.Николаева Сибирского отделения РАН | Method and device for processing ground scrap produced from dead automobile catalysts |
| US20160032472A1 (en) * | 2013-04-11 | 2016-02-04 | Syddansk Universitet | Method for recovering platinum group metals from catalytic structures |
| CN208907139U (en) * | 2018-09-29 | 2019-05-28 | 江西省君鑫贵金属科技材料有限公司 | The device of platinum, palladium is extracted in a kind of useless auto-exhaust catalyst |
| CN210438802U (en) * | 2019-06-03 | 2020-05-01 | 中能（天津）环保再生资源利用有限公司 | Device for extracting three-way catalyst platinum group metal |
| CN112899478A (en) * | 2021-01-13 | 2021-06-04 | 深圳市正力实业有限公司 | Device and method for efficiently purifying precious metals in waste automobile exhaust catalyst |
| CN213570665U (en) * | 2020-09-07 | 2021-06-29 | 安徽枡水新能源科技有限公司 | Device for recovering platinum from waste platinum catalyst |
-
2022
- 2022-01-20 CN CN202210068222.1A patent/CN114480851B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2364638C1 (en) * | 2008-03-24 | 2009-08-20 | Учреждение Российской академии наук Институт неорганической химии им. А.В.Николаева Сибирского отделения РАН | Method and device for processing ground scrap produced from dead automobile catalysts |
| US20160032472A1 (en) * | 2013-04-11 | 2016-02-04 | Syddansk Universitet | Method for recovering platinum group metals from catalytic structures |
| CN208907139U (en) * | 2018-09-29 | 2019-05-28 | 江西省君鑫贵金属科技材料有限公司 | The device of platinum, palladium is extracted in a kind of useless auto-exhaust catalyst |
| CN210438802U (en) * | 2019-06-03 | 2020-05-01 | 中能（天津）环保再生资源利用有限公司 | Device for extracting three-way catalyst platinum group metal |
| CN213570665U (en) * | 2020-09-07 | 2021-06-29 | 安徽枡水新能源科技有限公司 | Device for recovering platinum from waste platinum catalyst |
| CN112899478A (en) * | 2021-01-13 | 2021-06-04 | 深圳市正力实业有限公司 | Device and method for efficiently purifying precious metals in waste automobile exhaust catalyst |
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| CN114480851B (en) | 2023-09-05 |
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