CN219401623U - Noble metal catalyst recovery unit - Google Patents
Noble metal catalyst recovery unit Download PDFInfo
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- CN219401623U CN219401623U CN202223576714.6U CN202223576714U CN219401623U CN 219401623 U CN219401623 U CN 219401623U CN 202223576714 U CN202223576714 U CN 202223576714U CN 219401623 U CN219401623 U CN 219401623U
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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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Abstract
The utility model relates to a precious metal catalyst recovery device, which comprises a raw material tank, a material particle size screening mechanism, a material screening device and a material recovery device, wherein the material particle size screening mechanism comprises a material screening frame and a hopper positioned above the material screening frame, the hopper is connected with the raw material tank through the material feeding mechanism, the material screening frame comprises a material plate arranged along the height direction, the material plate comprises at least one layer of material screening plate, and the material screening plate is provided with a sieve hole for passing materials; the magnetic separation device comprises more than two magnetic separation tanks, wherein the inlets of different magnetic separation tanks are communicated with the outlets of different material plates, magnetic separation sections with different magnetism are arranged in the magnetic separation tanks, the tail ends of the magnetic separation sections are provided with outlets, and the number of the outlets is more than two; the recycling treatment mechanism comprises more than two sub-treatment mechanisms, outlets of magnetic separation sections with the same magnetism are connected with inlets of the same sub-treatment mechanism, at least one sub-treatment mechanism comprises a heating furnace, and at least one sub-treatment mechanism comprises a dissolving tank. The utility model has the advantages of realizing the efficient recycling of different noble metal catalysts and having obvious economic benefit advantage.
Description
Technical Field
The utility model belongs to the technical field of catalyst recovery equipment, and particularly relates to a precious metal catalyst recovery device.
Background
The use of noble metal catalysts was originally traced back to 1875 to the contact process for sulfuric acid production. Thereafter, industrial application of the noble metal catalyst is continuously realized, and with the advent of new varieties, preparation methods and application fields, the noble metal catalyst industry is continuously developing and growing. However, noble metal resources are scarce and expensive, and for this reason, in addition to the research of low-cost alternative metals or low-content noble metal catalysts in the noble metal catalyst industry, the recovery and reuse of noble metal catalysts is also an important focus of research.
At present, the recovery mode of the noble metal catalyst mainly comprises dry method, wet method or dry-wet combination. Wherein, the dry recovery means that the waste noble metal catalyst, the reducing agent and the cosolvent are heated and melted together by a heating furnace, so that the noble metal component in the waste noble metal catalyst is reduced and melted into metal or alloy for reuse. Wet recovery means that acid-base or other solvents are used for dissolving the waste noble metal catalyst, and the waste noble metal catalyst is filtered, purified and dried to form a final finished product for reuse. The dry-wet combination is to use dry method and wet method to complete recovery when the waste noble metal catalyst has more components.
The noble metal catalyst is recycled by adopting dry-wet combination, and the noble metal catalyst related to the fields of automobile exhaust gas purification catalysts, anticancer drugs, pesticides, basic chemical industry and petrochemical industry is different due to the fact that the recovered waste noble metal catalyst has more types and components. On the basis of this, there are differences in the recovery and reuse treatment of the noble metal catalyst. Therefore, how to improve the recovery efficiency of the whole device and realize the efficient recovery and reuse of different noble metal catalysts becomes a problem to be solved.
Disclosure of Invention
The noble metal catalyst recovery device provided by the utility model can realize the efficient recovery and reuse of different noble metal catalysts, and has obvious economic benefit advantage.
The technical scheme of the utility model comprises the following steps: a precious metal catalyst recovery device, including the head tank, still includes: the material grain size screening mechanism comprises a screening material frame and a hopper positioned above the screening material frame, the hopper is connected with a raw material tank through a feeding mechanism, the screening material frame comprises a material plate arranged along the height direction, the material plate comprises at least one layer of screening material plate, and the screening material plate is provided with a screen hole for passing materials; the magnetic separation tanks are more than two in number, inlets of different magnetic separation tanks are communicated with outlets of different material plates, magnetic separation sections with different magnetism are arranged in the magnetic separation tanks, outlets are arranged at the tail ends of the magnetic separation sections, and the number of the outlets is more than two; the recycling mechanism comprises more than two sub-treatment mechanisms, outlets of magnetic separation sections with the same magnetism are connected with inlets of the same sub-treatment mechanism, at least one sub-treatment mechanism comprises a heating furnace, and at least one sub-treatment mechanism comprises a dissolving tank.
Preferably, the outer side wall of the hopper is provided with a vibrating motor, and the vibrating motor is arranged near a discharge hole of the hopper.
Preferably, the screen material frame comprises a first screen material plate and a second screen material plate which are arranged from top to bottom, wherein the sieve pore diameter of the first screen material plate is larger than that of the second screen material plate, and a bottom material plate is arranged below the second screen material plate.
Preferably, a pushing motor is arranged on one side of the material screening frame, which is close to the first material screening plate, the second material screening plate and the third material screening plate, the pushing motor is connected with a material pushing plate, and the material pushing plate moves towards the outlet direction of the material feeding plate under the driving of the material pushing motor.
Preferably, the sub-processing mechanism comprises a first heating furnace, an abrasive machine is arranged between the first heating furnace and the magnetic separation tank, a spherical abrasive chamber is arranged in the abrasive machine, and more than two abrasive balls are arranged in the spherical abrasive chamber.
Preferably, the sub-treatment mechanism comprises a second heating furnace and a third heating furnace, wherein the inlet of the second heating furnace is communicated with the outlet of the magnetic separation tank, and the inlet of the third heating furnace is communicated with the outlet of the second heating furnace.
Preferably, a combustion chamber is arranged in the second heating furnace, and a reaction cavity is formed between the combustion chamber and a shell of the second heating furnace; the inner container is arranged in the third heating furnace, the heating wires are arranged on the outer wall and/or the inner wall of the inner container, the inner container is connected with a rotating motor, and the inner container rotates around the axis under the drive of the rotating motor.
The utility model has the beneficial effects that: through setting up material particle diameter screening mechanism and magnetic separation jar, before carrying out the recovery to the old and useless noble metal catalyst of retrieving, carry out the screening through the sieve work or material rest of material particle diameter screening mechanism with the old and useless noble metal catalyst of different particle diameters earlier, afterwards, utilize the magnetic separation jar to sieve into the old and useless noble metal catalyst of different particle diameters and pass through the difference of magnetism, group the different component, and in this process, because the screening of having passed the particle diameter, the screening degree of accuracy of different components of magnetism can be improved like this, afterwards, utilize the old and useless noble metal catalyst of different component of magnetic separation jar differentiation to carry out different recovery to it, can realize the recovery processing efficiency of multiple old and useless noble metal catalyst of collection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic view of a noble metal catalyst recovery device of this embodiment.
Wherein: 1. the material feeding device comprises a material tank, 2, a feeding mechanism, 3, a hopper, 31, a vibrating motor, 4, a screening rack, 41, a first screening plate, 42, a second screening plate, 43, a bottom layer material plate, 44, a pushing motor, 5, a magnetic separation tank, 6, an abrasive machine, 61, abrasive balls, 7, a first heating furnace, 8, a dissolution tank, 81, a dissolving agent liquid, 9, a second heating furnace, 91, a combustion chamber, 92, a reaction chamber, 10, a third heating furnace, 101, a rotating motor, 102 and a heating wire.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1, the precious metal catalyst recovery apparatus of the present embodiment includes a raw material tank 1, and the raw material tank 1 contains various collected waste precious metal catalysts. And the material particle size screening mechanism comprises a screening frame 4 and a hopper 3 positioned above the screening frame 4, wherein the hopper 3 is connected with the raw material tank 1 through a feeding mechanism 2, and waste precious metal catalysts in the raw material tank 1 can be conveyed into the hopper 3 through the feeding mechanism 2. Specifically, the feeding mechanism 2 may adopt a conveying auger, or a conveying chain, a belt, or the like.
The sieve work or material rest 4 includes the flitch that sets up along the direction of height, and wherein, the flitch includes at least one deck sieve flitch, is equipped with the sieve mesh that supplies the material to pass through at the sieve flitch, so, utilizes the sieve mesh can sieve the old and useless noble metal catalyst of different particle diameters, and the benefit of doing so is when being convenient for follow-up magnetic separation distinguish the noble metal catalyst of different components, can improve the degree of accuracy of magnetic separation screening.
And the magnetic separation tank 5 is designed with more than two magnetic separation tanks 5 so as to correspond to the waste noble metal catalyst materials with different particle sizes screened by the material particle size screening mechanism. The inlets of the different magnetic separation tanks 5 are communicated with the outlets of the different material plates, the precious metal catalysts with different particle sizes can be screened out by the material plates, and in order to improve the accuracy of magnetic separation components, the screened precious metal catalysts with different particle sizes are sent into the different magnetic separation tanks 5 to screen the components. Specifically, magnetic selection sections with different magnetism are arranged in the magnetic separation tank 5, and precious metal catalysts with different components are distinguished by utilizing the different magnetism. And the tail end of the magnetic separation section is provided with outlets, and the number of the outlets is more than two, so that the sieved noble metal catalysts with different components are sent to different treatment mechanisms for different recovery treatment.
And the recovery processing mechanism comprises more than two sub-processing mechanisms so as to facilitate different recovery processing of noble metal catalysts with different components screened out by the preamble. Wherein the outlets of the magnetic separation sections with the same magnetism are connected with the inlets of the same sub-treatment mechanisms, at least one sub-treatment mechanism comprises a heating furnace, and at least one sub-treatment mechanism comprises a dissolving tank. Therefore, before the collected waste precious metal catalysts are recycled, precious metal catalysts with different components are distinguished through the material particle size screening mechanism and the magnetic separation tank 5, and then different sub-treatment mechanisms are adopted for recycling the different precious metal catalysts, so that the method can be suitable for recycling the different precious metal catalysts, and is high in treatment efficiency and good in economic benefit.
In this embodiment, the vibrating motor 31 is disposed on the outer side wall of the hopper 3, and the precious metal catalyst attached to the side wall of the hopper 3 can be vibrated down by using the vibrating action of the vibrating motor 31 on the side wall of the hopper 3, and the passing efficiency of the precious metal catalyst in the hopper 3 can be improved. Specifically, two vibrating motors 31 may be disposed, and the two vibrating motors 31 are disposed at different heights, where one vibrating motor 31 is disposed near the discharge port of the hopper 3, so as to improve the feeding effect.
Specifically, the screening frame 4 includes a first screening plate 41 and a second screening plate 42 that are disposed from top to bottom, wherein the mesh aperture of the first screening plate 41 is larger than the mesh aperture of the second screening plate 42, and a bottom layer plate 43 is disposed below the second screening plate 42. When waste noble metal catalyst passes through the sieve frame 4, the maximum particle size is blocked by the sieve holes of the first sieve plate 41 and is left on the first sieve plate 41, when passing through the noble metal catalyst and passes through the second sieve plate 42, the particle size is larger than that of the sieve holes of the noble metal catalyst and is left on the second sieve plate 42, and the minimum particle size noble metal catalyst passes through the left-on bottom plate 43, so that the noble metal catalysts with different particle sizes are distinguished, and the magnetic component distinguishing effect of the magnetic separation tank 5 is improved.
One side of the screening frame 4, which is close to the first screening plate 41, the second screening plate 42 and the third screening plate 43, is provided with a pushing motor 44, the pushing motor 44 is connected with a pushing plate, and the pushing plate is driven by the pushing motor 44 to move towards the outlet direction of the material plate, so that the precious metal catalysts with different particle sizes can be automatically sent into the magnetic separation tank 5, and the automation degree of the whole equipment is improved.
Noble metal catalysts of different components which are distinguished by magnetism of the magnetic separation tank 5 are sent to different sub-treatment mechanisms for recovery treatment, and in particular, in the embodiment, three sets of sub-treatment mechanisms are arranged. Wherein, first jacket processing mechanism includes first heating furnace 7, is equipped with abrasive machine 6 between this first heating furnace 7 and the magnetic separation jar 5, is equipped with spherical abrasive room in abrasive machine 6, is equipped with more than two abrasive ball 61 in this spherical abrasive room. The sieved noble metal catalyst is crushed by the grinding machine 6 and then is sent into the first heating furnace 7 for heating, melting and recycling, so that the noble metal catalyst can be fully heated and melted in the first heating furnace 7 after the crushing treatment of the grinding machine 6, and the recycling ratio is improved. Specifically, the crushing effect on the noble metal catalyst can be improved by using the spherical abrasive chamber and the abrasive balls 61.
The second set of processing mechanisms comprises a dissolving tank 8, and a dissolving agent liquid 81 is contained in the dissolving tank 8, so that the sieved noble metal catalyst is recovered by a wet method in the second set of processing mechanisms.
The third set of processing mechanism comprises a second heating furnace 9 and a third heating furnace 10, wherein the inlet of the second heating furnace 9 is communicated with the outlet of the magnetic separation tank 5, and the inlet of the third heating furnace 10 is communicated with the outlet of the second heating furnace 9, namely, precious metal catalysts screened out from the magnetic separation tank 5 are processed by the second heating furnace 9 and the third heating furnace 10 in sequence to be recovered.
Specifically, a combustion chamber 91 is provided in the second heating furnace 9, a reaction chamber 92 is formed between the combustion chamber 91 and the housing of the second heating furnace 9, and the noble metal catalyst is recovered by heating and melting in the reaction chamber 92. Then, the mixture is sent into a third heating furnace 10, specifically, an inner container is arranged in the third heating furnace 10, a heating wire 102 is arranged on the outer wall and/or the inner wall of the inner container, the inner container is connected with a rotating motor 101, and the inner container rotates around an axis under the drive of the rotating motor 101. The noble metal catalyst entering the third heating furnace 10 is heated by the heating wire 102 in the inner container for melting recovery treatment, and the noble metal catalyst in the inner container can be uniformly heated by driving the inner container to rotate by the rotating motor 101, so that the recovery treatment effect is improved. It should be noted that the heating furnace is also provided with an inlet for reducing agent and auxiliary agent and a finished product outlet after reaction, which are not described herein.
The precious metal catalyst recovery device of this embodiment, during operation, various waste precious metal catalysts of collection are carried to hopper 3 under the effect of feeding mechanism 2 in from head tank 1, fall to screen frame 4 under the effect of gravity naturally downwards, and under the effect of the first screen flitch 41 and the second screen flitch 42 of screen frame 4's different aperture, come out with the precious metal catalysts screening of different particle diameters to follow-up magnetism screening degree of accuracy. And then, the sieved noble metal catalysts with different particle diameters are pushed to a material plate outlet under the action of a pushing motor 44 and then are conveyed to different magnetic separation tanks 5, the noble metal catalysts with different components are sieved out under the magnetic action of different magnetic sections of the magnetic separation tanks 5 and then are sent to different sub-treatment mechanisms at the outlets close to the different magnetic separation sections, and then, the dried meal or wet recovery treatment is carried out in a heating furnace or a dissolving tank 8, so that the recovered noble metal catalyst finished product is obtained. The whole set of device is applicable to the recovery treatment of waste noble metal catalysts generated in different industries, and has high operation efficiency and good economic effect.
Claims (7)
1. Precious metal catalyst recovery unit, including head tank (1), its characterized in that: further comprises:
the material grain size screening mechanism comprises a screening material frame (4) and a hopper (3) positioned above the screening material frame (4), the hopper (3) is connected with a raw material tank (1) through a feeding mechanism (2), the screening material frame (4) comprises a material plate arranged along the height direction, the material plate comprises at least one layer of screening material plate, and the screening material plate is provided with a screen hole for passing materials;
the magnetic separation device comprises magnetic separation tanks (5), wherein the number of the magnetic separation tanks (5) is more than two, the inlets of different magnetic separation tanks (5) are communicated with the outlets of different material plates, magnetic separation sections with different magnetism are arranged in the magnetic separation tanks (5), the tail ends of the magnetic separation sections are provided with outlets, and the number of the outlets is more than two;
the recycling treatment mechanism comprises more than two sub-treatment mechanisms, outlets of magnetic separation sections with the same magnetism are connected with inlets of the same sub-treatment mechanism, at least one sub-treatment mechanism comprises a heating furnace, and at least one sub-treatment mechanism comprises a dissolving tank (8).
2. The noble metal catalyst recovery device according to claim 1, characterized in that: the outer side wall of the hopper (3) is provided with a vibrating motor (31), and the vibrating motor (31) is arranged near a discharge hole of the hopper (3).
3. The noble metal catalyst recovery device according to claim 1, characterized in that: the screen material frame (4) comprises a first screen material plate (41) and a second screen material plate (42) which are arranged from top to bottom, wherein the sieve pore diameter of the first screen material plate (41) is larger than that of the second screen material plate (42), and a bottom material plate (43) is arranged below the second screen material plate (42).
4. A precious metal catalyst recovery apparatus according to claim 3, wherein: one side of the screening material frame (4) close to the first screening material plate (41), the second screening material plate (42) and the third screening material plate (43) is provided with a pushing motor (44), the pushing motor (44) is connected with a pushing plate, and the pushing plate moves towards the outlet direction of the material plate under the driving of the pushing motor (44).
5. The noble metal catalyst recovery device according to claim 1, characterized in that: the sub-treatment mechanism comprises a first heating furnace (7), an abrasive machine (6) is arranged between the first heating furnace (7) and the magnetic separation tank (5), a spherical abrasive chamber is arranged in the abrasive machine (6), and more than two abrasive balls (61) are arranged in the spherical abrasive chamber.
6. The noble metal catalyst recovery device according to claim 1, characterized in that: the sub-treatment mechanism comprises a second heating furnace (9) and a third heating furnace (10), wherein the inlet of the second heating furnace (9) is communicated with the outlet of the magnetic separation tank (5), and the inlet of the third heating furnace (10) is communicated with the outlet of the second heating furnace (9).
7. The noble metal catalyst recovery device according to claim 6, characterized in that: a combustion chamber (91) is arranged in the second heating furnace (9), and a reaction cavity (92) is formed between the combustion chamber (91) and the shell of the second heating furnace (9);
the heating furnace is characterized in that an inner container is arranged in the third heating furnace (10), heating wires (102) are arranged on the outer wall and/or the inner wall of the inner container, the inner container is connected with a rotating motor (101), and the inner container rotates around an axis under the driving of the rotating motor (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223576714.6U CN219401623U (en) | 2022-12-31 | 2022-12-31 | Noble metal catalyst recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223576714.6U CN219401623U (en) | 2022-12-31 | 2022-12-31 | Noble metal catalyst recovery unit |
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| Publication Number | Publication Date |
|---|---|
| CN219401623U true CN219401623U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223576714.6U Active CN219401623U (en) | 2022-12-31 | 2022-12-31 | Noble metal catalyst recovery unit |
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| Country | Link |
|---|---|
| CN (1) | CN219401623U (en) |
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2022
- 2022-12-31 CN CN202223576714.6U patent/CN219401623U/en active Active
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