CN216550627U - Silver recovery device containing silver waste catalyst - Google Patents
Silver recovery device containing silver waste catalyst Download PDFInfo
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- CN216550627U CN216550627U CN202123018988.9U CN202123018988U CN216550627U CN 216550627 U CN216550627 U CN 216550627U CN 202123018988 U CN202123018988 U CN 202123018988U CN 216550627 U CN216550627 U CN 216550627U
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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
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Abstract
The utility model discloses a silver-containing waste catalyst silver recovery device which comprises a bottom plate, a support frame, a reaction furnace, a waste gas collecting box and a grinding box, wherein the support frame is fixed on one side of the top end of the bottom plate, a connecting shaft is rotatably arranged on the inner wall of one side of the support frame, a support arm is arranged at one end of the connecting shaft, the reaction furnace is fixed on the outer wall of one side of the support arm, a discharge valve is arranged at the central position of the bottom end of the reaction furnace, a maintenance panel is arranged on one side of the surface of the reaction furnace, the waste gas collecting box is arranged on one side of the top end of the bottom plate, a conducting pipe is arranged on the outer wall of one side of the waste gas collecting box, one end of the conducting pipe extends into the reaction furnace, and the grinding box is arranged on one side of the top end of the reaction furnace. The utility model not only improves the working efficiency of the device and the silver recovery amount of the device, but also reduces the influence of the device on the environment.
Description
Technical Field
The utility model relates to the technical field of silver recovery, in particular to a device for recovering silver from a silver-containing waste catalyst.
Background
Ethylene oxide/ethylene glycol is a bulk petrochemical product next to polyethylene in ethylene derivatives, mainly uses ethylene as a raw material in industry, and is produced by an oxidation method under the action of a silver catalyst, when the silver catalyst loses activity, the silver catalyst needs to be replaced, the replacement period is 2-3 years, about 800-1000 tons of waste silver catalyst needing to be replaced every year is a very important silver secondary resource, and a device for recovering silver is needed.
The existing devices for recovering the cash on the market are various in types, can basically meet the use requirements of people, but still have certain defects, and have the following specific problems.
(1) The existing device for recovering the silver is to adoptThe method of dissolving silver by nitric acid, which generates a large amount of NO when dissolving silver, has been widely used in industryxWaste gases and waste water, which have adverse effects on the surrounding environment;
(2) in the existing silver recovery device, during the extraction process of silver, the influence of halogen and the like in water quality, reagents and waste catalysts on the recovery rate of silver is large, the content of silver in insoluble residues is high, and the recovery quality of silver is reduced;
(3) the silver device of retrieving of this kind of current needs to grind useless silver catalyst in advance mostly in the use, wastes time and energy in its operation process, has reduced the work efficiency of device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for recovering silver from a silver-containing waste catalyst, which aims to solve the problems of high pollution, poor recovery quality and low working efficiency of the device in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a device that silver-containing dead catalyst retrieved silver, includes bottom plate, support frame, reacting furnace, waste gas collecting box and grinds the case, one side on bottom plate top is fixed with the support frame, and rotates on the inner wall of support frame one side and install the connecting axle to the support arm is installed to the one end of connecting axle, fixed reacting furnace on the outer wall of support arm one side, and the central point department of putting of reacting furnace bottom installs the bleeder valve, and the maintenance panel is installed to one side on reacting furnace surface, waste gas collecting box is installed to one side on bottom plate top, and installs the conduction pipe on the outer wall of waste gas collecting box one side, and the one end of conduction pipe extends to the inside of reacting furnace, grind the case is installed to one side on reacting furnace top, install control panel on the outer wall of support frame one side.
Preferably, a hollow layer is arranged on one side inside the reaction furnace, an inner container is installed on one side inside the hollow layer, and an electric heating wire is wound on one side of the surface of the inner container.
Preferably, a driving motor is installed on the outer wall of one side of the supporting frame, and a speed reducer is installed at the output end of the driving motor.
Preferably, a molecular sieve is arranged at one end inside the waste gas collecting box.
Preferably, a main crushing roller is rotatably mounted at one side inside the grinding box, a main shaft is mounted at one end of the main crushing roller, and a first gear is fixed at one side of the surface of the main shaft.
Preferably, the outer wall of one side of the grinding box is provided with a direct drive motor, the output end of the direct drive motor is provided with an auxiliary grinding roller through a coupler, one end of the auxiliary grinding roller is fixed with a second gear, and the second gear is meshed with the first gear.
Preferably, the inner wall of the waste gas collecting box at one side of the molecular sieve is provided with hydrogen-type mordenite, and the waste gas collecting box at one side of the hydrogen-type mordenite is internally provided with a biological filler layer.
Preferably, the output end of the speed reducer is provided with a driving rotating shaft through a coupler, and one end of the driving rotating shaft is fixedly connected with the outer wall of the reaction furnace.
Compared with the prior art, the utility model has the beneficial effects that: the device for recovering silver from the silver-containing waste catalyst not only improves the working efficiency of the device and the silver recovery amount of the device, but also reduces the influence of the device on the environment;
(1) the waste silver catalyst is ground by arranging the main grinding roller and the main shaft, namely, the waste silver catalyst is put into the grinding box, then the direct drive motor is started to work through the control panel, so that the direct drive motor sequentially drives the auxiliary grinding roller and the second gear to rotate, and the first gear drives the main shaft and the main grinding roller to rotate due to the mutual meshing of the second gear and the first gear;
(2) through being provided with reacting furnace and electric heating wire, after the useless silver catalyst particulate matter after grinding enters into the inside of reacting furnace, add CaO to the reacting furnace inside, open electric heating wire, driving motor and carry out work, utilize incessant positive and negative work of driving motor, make it send power to the speed reducer on, then the speed reducer drivesThe driving rotating shaft and the connecting shaft rotate, the reaction furnace can swing at the moment to further mix reaction materials, the inner container is rapidly heated through the electric heating wire, and the materials are melted at high temperature to form CaO-Al2O3Binary slag system, high specific weight of silver and Al carrier2O3The fluxing agent and other impurities are smelted at high temperature to form a slag phase with smaller specific gravity, and the silver is an excellent trapping agent, and other impurities are introduced without adding the trapping agent, so that the silver with higher purity and deposited at the bottom of the reaction furnace is obtained, and the recovery amount of the silver of the device is effectively increased;
(3) through being provided with waste gas collecting box and molecular sieve, the inside that waste gas accessible conduction pipe produced enters into waste gas collecting box in the reaction process, hydrogen type mordenite in the waste gas collecting box can have higher adsorption efficiency to nitrogen dioxide, does not basically absorb nitric oxide, but when having the oxygen existence, the molecular sieve becomes nitrogen dioxide with nitric oxide oxidation and adsorbs to further adsorb the processing waste gas through the biological packing layer, the waste gas after the processing is unified again and is handled, thereby reducing the influence of device to the environment.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic top view of the grinding chamber of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
in the figure: 1. a base plate; 2. a support frame; 3. a reaction furnace; 4. a discharge valve; 5. maintaining the panel; 6. a support arm; 7. a connecting shaft; 8. a waste gas collection tank; 9. a conduction pipe; 10. grinding a box; 11. a main crushing roller; 12. a main shaft; 13. a first gear; 14. a second gear; 15. an auxiliary crushing roller; 16. a direct drive motor; 17. a molecular sieve; 18. a hydrogen mordenite zeolite; 19. a biological filler layer; 20. a control panel; 21. an inner container; 22. a hollow layer; 23. an electric heating wire; 24. a speed reducer; 25. a drive motor; 26. the rotating shaft is driven.
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.
Referring to fig. 1-5, an embodiment of the present invention is shown: a silver-containing waste catalyst silver recovery device comprises a bottom plate 1, a support frame 2, a reaction furnace 3, a waste gas collecting box 8 and a grinding box 10, wherein the support frame 2 is fixed on one side of the top end of the bottom plate 1, a connecting shaft 7 is rotatably installed on the inner wall of one side of the support frame 2, a support arm 6 is installed at one end of the connecting shaft 7, the reaction furnace 3 is fixed on the outer wall of one side of the support arm 6, a discharge valve 4 is installed at the central position of the bottom end of the reaction furnace 3, a maintenance panel 5 is installed on one side of the surface of the reaction furnace 3, the waste gas collecting box 8 is installed on one side of the top end of the bottom plate 1, a conduction pipe 9 is installed on the outer wall of one side of the waste gas collecting box 8, one end of the conduction pipe 9 extends into the reaction furnace 3, and the grinding box 10 is installed on one side of the top end of the reaction furnace 3;
a hollow layer 22 is arranged on one side inside the reaction furnace 3, an inner container 21 is arranged on one side inside the hollow layer 22, and an electric heating wire 23 is wound on one side of the surface of the inner container 21;
a driving motor 25 is arranged on the outer wall of one side of the supporting frame 2, a speed reducer 24 is arranged at the output end of the driving motor 25, a driving rotating shaft 26 is arranged at the output end of the speed reducer 24 through a coupling, and one end of the driving rotating shaft 26 is fixedly connected with the outer wall of the reaction furnace 3;
a molecular sieve 17 is installed at one end inside the waste gas collecting box 8, a main crushing roller 11 is rotatably installed at one side inside the grinding box 10, a main shaft 12 is installed at one end of the main crushing roller 11, and a first gear 13 is fixed at one side of the surface of the main shaft 12;
grinding the waste silver catalyst, namely throwing the waste silver catalyst into the grinding box 10, then starting the direct drive motor 16 through the control panel 20 to work, so that the direct drive motor sequentially drives the auxiliary crushing roller 15 and the second gear 14 to rotate, and as the second gear 14 is meshed with the first gear 13, the first gear 13 drives the main shaft 12 and the main crushing roller 11 to rotate, and the waste silver catalyst can be ground when passing through between the auxiliary crushing roller 15 and the main crushing roller 11, so that the waste silver catalyst is convenient for a subsequent smelting process through the quick grinding of materials, and the working efficiency of the device is improved;
a direct drive motor 16 is mounted on the outer wall of one side of the grinding box 10, an auxiliary grinding roller 15 is mounted at the output end of the direct drive motor 16 through a coupler, a second gear 14 is fixed at one end of the auxiliary grinding roller 15, and the second gear 14 is meshed with the first gear 13;
after the ground waste silver catalyst particles enter the reaction furnace 3, CaO is added into the reaction furnace 3, the electric heating wire 23 is started, the driving motor 25 works, the driving motor 25 continuously works in a positive and negative mode to send power to the speed reducer 24, the speed reducer 24 drives the driving rotating shaft 26 and the connecting shaft 7 to rotate, the reaction furnace 3 can swing at the moment, reaction materials are further mixed, the electric heating wire 23 quickly heats the inner container 21, and the materials are melted at high temperature to form CaO-Al2O3Binary slag system, high specific weight of silver and Al carrier2O3The fluxing agent and other impurities are smelted at high temperature to form a slag phase with smaller specific gravity, and the silver is an excellent trapping agent, and other impurities are introduced without adding the trapping agent, so that the silver with higher purity and deposited at the bottom of the reaction furnace 3 is obtained, and the recovery amount of the silver of the device is effectively increased;
the inner wall of the waste gas collecting box 8 at one side of the molecular sieve 17 is provided with hydrogen mordenite 18, and a biological filler layer 19 is arranged in the waste gas collecting box 8 at one side of the hydrogen mordenite 18;
waste gas generated in the reaction process can enter the waste gas collecting box 8 through the conducting pipe 9, the hydrogen-type mordenite 18 in the waste gas collecting box 8 can have high adsorption capacity on nitrogen dioxide, nitrogen monoxide is not basically absorbed, when oxygen exists, the molecular sieve 17 oxidizes the nitrogen monoxide into nitrogen dioxide for adsorption, the waste gas is further adsorbed and treated through the biological filler layer 19, and the treated waste gas is treated uniformly, so that the influence of the device on the environment is reduced;
the outer wall of one side of the support frame 2 is provided with a control panel 20, and the output end of the single chip microcomputer in the control panel 20 is electrically connected with the input ends of the direct drive motor 16, the electric heating wire 23 and the driving motor 25 respectively.
The working principle is as follows: when in use, firstly, the waste silver catalyst is ground, namely, the waste silver catalyst is put into the grinding box 10, then the direct drive motor 16 is started through the control panel 20 to work, so that the direct drive motor sequentially drives the auxiliary crushing roller 15 and the second gear 14 to rotate, because the second gear 14 is meshed with the first gear 13, the first gear 13 drives the main shaft 12 and the main crushing roller 11 to rotate, when the waste silver catalyst passes through between the auxiliary crushing roller 15 and the main crushing roller 11, the waste silver catalyst can be ground, so that the subsequent smelting process is facilitated through the rapid grinding of materials, the working efficiency of the device is improved, when the ground waste silver catalyst particles enter the reaction furnace 3, CaO is added into the reaction furnace 3, the electric heating wire 23 and the driving motor 25 are started to work, the driving motor 25 is utilized to continuously work in a positive and negative mode, and the power is sent to the speed reducer 24, the speed reducer 24 drives the driving rotating shaft 26 and the connecting shaft 7 to rotate, the reaction furnace 3 can perform swinging motion at the moment to further mix reaction materials, the electric heating wire 23 is used for rapidly heating the inner container 21, and the materials are melted at high temperature to form CaO-Al2O3Binary slag system, high specific weight of silver and Al carrier2O3The fluxing agent and other impurities are smelted at high temperature to form a slag phase with smaller specific gravity, the silver is an excellent trapping agent, and the trapping agent is not required to be added to introduce other impurities, so that the silver with higher purity and deposited at the bottom of the reaction furnace 3 is obtained, the silver recovery amount of the device is effectively improved, waste gas generated in the reaction process can enter the waste gas collecting box 8 through the conducting pipe 9, the hydrogen-type mordenite 18 in the waste gas collecting box 8 can have higher adsorption capacity on nitrogen dioxide and basically does not absorb the nitrogen monoxide, but when oxygen exists, the molecular sieve 17 oxidizes the nitrogen monoxide into the nitrogen dioxideNitrogen is adsorbed, waste gas is further adsorbed and treated through the biological filler layer 19, and the treated waste gas is treated uniformly, so that the influence of the device on the environment is reduced.
Claims (8)
1. The utility model provides a device of silver-containing dead catalyst recovery silver, includes bottom plate (1), support frame (2), reacting furnace (3), exhaust gas collection box (8) and grinds case (10), its characterized in that: one side on bottom plate (1) top is fixed with support frame (2), and rotates on the inner wall of support frame (2) one side and install connecting axle (7) to support arm (6) are installed to the one end of connecting axle (7), fixed reacting furnace (3) on the outer wall of support arm (6) one side, and the central point department of putting of reacting furnace (3) bottom installs bleeder valve (4), and maintenance panel (5) are installed to one side on reacting furnace (3) surface, waste gas collecting box (8) are installed to one side on bottom plate (1) top, and install conduction pipe (9) on the outer wall of waste gas collecting box (8) one side, and the one end of conduction pipe (9) extends to the inside of reacting furnace (3), grinding case (10) are installed to one side on reacting furnace (3) top, install control panel (20) on the outer wall of support frame (2) one side.
2. The apparatus according to claim 1, wherein the silver recovery device comprises: one side of the inside of the reaction furnace (3) is provided with a hollow layer (22), one side of the inside of the hollow layer (22) is provided with an inner container (21), and one side of the surface of the inner container (21) is wound with an electric heating wire (23).
3. The apparatus according to claim 1, wherein the silver recovery device comprises: install driving motor (25) on the outer wall of support frame (2) one side, and speed reducer (24) are installed to driving motor's (25) output.
4. The apparatus according to claim 1, wherein the silver recovery device comprises: and a molecular sieve (17) is arranged at one end inside the waste gas collecting box (8).
5. The apparatus according to claim 1, wherein the silver recovery device comprises: a main crushing roller (11) is rotatably mounted on one side of the interior of the grinding box (10), a main shaft (12) is mounted at one end of the main crushing roller (11), and a first gear (13) is fixed on one side of the surface of the main shaft (12).
6. The apparatus according to claim 1, wherein the silver recovery device comprises: the grinding device is characterized in that a direct drive motor (16) is mounted on the outer wall of one side of the grinding box (10), an auxiliary grinding roller (15) is mounted at the output end of the direct drive motor (16) through a coupler, a second gear (14) is fixed at one end of the auxiliary grinding roller (15), and the second gear (14) is meshed with the first gear (13).
7. The apparatus of claim 4, wherein the silver recovery device comprises: the hydrogen mordenite (18) is arranged on the inner wall of the waste gas collecting box (8) at one side of the molecular sieve (17), and a biological filler layer (19) is arranged inside the waste gas collecting box (8) at one side of the hydrogen mordenite (18).
8. The apparatus according to claim 3, wherein the silver recovery device comprises: the output end of the speed reducer (24) is provided with a driving rotating shaft (26) through a coupler, and one end of the driving rotating shaft (26) is fixedly connected with the outer wall of the reaction furnace (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123018988.9U CN216550627U (en) | 2021-12-03 | 2021-12-03 | Silver recovery device containing silver waste catalyst |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123018988.9U CN216550627U (en) | 2021-12-03 | 2021-12-03 | Silver recovery device containing silver waste catalyst |
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| CN216550627U true CN216550627U (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116219173A (en) * | 2023-02-22 | 2023-06-06 | 绍兴金冶环保科技有限公司 | Recovery method of silver-containing catalyst waste |
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2021
- 2021-12-03 CN CN202123018988.9U patent/CN216550627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116219173A (en) * | 2023-02-22 | 2023-06-06 | 绍兴金冶环保科技有限公司 | Recovery method of silver-containing catalyst waste |
| CN116219173B (en) * | 2023-02-22 | 2023-10-03 | 绍兴金冶环保科技有限公司 | Recovery method of silver-containing catalyst waste |
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