Recovery device of waste three-way catalyst
By integrating screening and magnetic separation into a waste ternary catalyst recovery device, the problems of large footprint and manual feeding in existing devices have been solved, achieving efficient precious metal recovery and saving space.
Patent Information
- Application Number
- CN202422648075.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing waste three-way catalyst recycling equipment occupies a large area and requires manual feeding, increasing the factory's labor costs.
Design a recycling device that integrates screening and magnetic separation functions. The device uses a servo motor to drive a crushing roller to crush the catalyst and an electromagnet to separate magnetic materials. A transport mechanism is then used to transport the precious metal powder to a flotation machine for separation.
It reduces the footprint of the recycling unit, lowers the need for manual feeding, and improves recycling efficiency and equipment utilization.
Smart Images
Figure CN223970609U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of catalyst recovery devices, specifically to a recovery device for waste three-way catalysts. Background Technology
[0002] Currently used ternary catalysts are mostly composed of a honeycomb support (cordierite) and an activation coating (using γ-Al2O3 as platinum, rhodium, or palladium).
[0003] After prolonged use, the honeycomb carrier inside the three-way catalytic converter in automobiles undergoes a solidification reaction, causing a large amount of impurities to adhere to the precious metals in the activated coating. Since precious metals are scarce resources, it is necessary to recycle the precious metal carriers from unusable spent three-way catalytic converters. The recycling process generally includes physical separation steps such as crushing, screening, magnetic separation, and flotation, as well as subsequent wet recycling steps. These steps separate recyclable and hazardous substances from the spent catalyst. Crushing and screening are mainly used to reduce the size of the spent catalyst and separate large pieces. Magnetic separation can separate magnetic materials, such as ferromagnetic materials, from the catalyst. Flotation is used to separate precious metals with different properties.
[0004] Existing waste catalysts need to be transported to specialized waste catalyst treatment plants and then recycled using specialized catalyst recycling methods. The existing recycling devices for different treatment methods are independent of each other, resulting in a large footprint for the entire recycling system. Furthermore, manual feeding operations are still required between different recycling devices, which greatly increases the factory's labor costs and floor space requirements.
[0005] Therefore, it is necessary to propose a waste three-way catalyst recycling device to solve the above problems. Utility Model Content
[0006] The purpose of this invention is to provide a recycling device for waste three-way catalysts. Through the cooperation between the internal parts of the screening mechanism and the internal parts of the transport mechanism, the waste catalyst can be crushed and its internal magnetic materials can be magnetically separated. At the same time, the precious metal powders with different properties inside the catalyst can be transported, and the precious metal powders can be separated into layers in the flotation machine. This reduces the floor space occupied by multiple recycling devices, solving the problem that in the existing technology, the recycling devices with different processing methods are independent of each other, resulting in a large floor space for the whole set of recycling devices. In addition, manual feeding operations are still required between different recycling devices, which greatly increases the labor cost and floor space of the factory.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a waste three-way catalyst recycling device, comprising a device body, a screening mechanism fixedly connected to one side of the device body and rotatably connected inside the device body, and a transport mechanism fixedly connected to both sides of the device body and located below the screening mechanism.
[0008] Preferably, the screening mechanism includes a servo motor, which is mounted and fixed on one side of the main body of the device. A connecting shaft is rotatably connected inside the main body of the device and located on one side of the servo motor. A crushing roller is connected and fixed on the side of the connecting shaft away from the servo motor. A connecting gear is sleeved and fixed on the outer wall of the connecting shaft. A transmission rod is rotatably connected inside the main body of the device and located below the connecting shaft. A transmission belt is sleeved on the outer wall of the connecting shaft and the outer wall of the transmission rod and located inside the main body of the device. An electromagnet is connected and fixed on the side of the transmission rod near the crushing roller and located at the bottom end of the crushing roller on the side away from the connecting shaft.
[0009] Preferably, the transport mechanism includes a control motor, which is mounted and fixed on one side of the device body and located below the servo motor. A transport pipe is mounted and fixed on the side of the device body away from the control motor and extends into the interior of the device body. A flotation machine is connected and fixed to the side of the transport pipe away from the device body. A connecting rod is rotatably connected to one side of the control motor and extends through the device body into the interior of the transport pipe. A transport blade is sleeved on the outer wall of the connecting rod and fits against the inner wall of the transport pipe, extending into the interior of the flotation machine.
[0010] Preferably, the multiple connecting shafts mesh with each other through connecting gears, the main body of the device has a transmission groove inside that matches the transmission belt, and the outer walls of the transmission rod and connecting shaft are provided with friction protrusions that match the transmission belt.
[0011] Preferably, the connecting shaft is rotatably connected to the servo motor, the outer wall of the rolling roller is provided with rolling grooves, the two ends of the main body of the device are provided with discharge grooves that match the electromagnet, and the inside of the main body of the device is provided with scrapers that fit the surface of the electromagnet.
[0012] Preferably, the device body has a separation groove located between the electromagnet and the transport tube inside, the connecting rod is rotatably connected to the device body through a bearing, and the transport tube has a transport groove inside that matches the transport blade.
[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0014] 1. By starting the servo motor, the servo motor drives the connecting shaft to rotate, which in turn drives the crushing roller to rotate. This rotation of the connecting shaft drives the connecting gear to rotate, which in turn drives the crushing roller to rotate in opposite directions. The rotation of the crushing roller crushes the waste catalyst inside the main body of the device, crushing it into small pieces or powder. The powder then rolls off the main body of the device and onto the electromagnet. Simultaneously, the rotation of the connecting shaft drives the transmission rod to rotate via the transmission belt. The transmission rod then drives the electromagnet to rotate, causing it to magnetically attract the falling magnetic material. The scraper then scrapes off the magnetic material adsorbed on the electromagnet, causing it to fall from the electromagnet onto the discharge trough and be discharged from the main body of the device. This completes the separation of magnetic material from the catalyst and reduces the footprint of the main body of the device.
[0015] 2. By starting the control motor, the precious metal powder falls into the transport pipe through the separation tank between the electromagnet and the transport pipe. The control motor rotates, which drives the connecting rod to rotate. The rotating connecting rod drives the transport blades to rotate, which transports the catalyst material inside the transport pipe. The catalyst powder is transported through the transport pipe to the flotation machine, where the precious metal inside the catalyst powder is separated by flotation. This completes the recovery of the precious metal inside the catalyst. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a cross-sectional structural diagram of the main body of the device of this utility model;
[0019] Figure 3 This is a cross-sectional structural diagram of the transport pipe of this utility model;
[0020] Figure 4 This is a cross-sectional schematic diagram of the connection structure between the connecting shaft and the transmission rod of this utility model;
[0021] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A in the middle.
[0022] Explanation of reference numerals in the attached figures:
[0023] 1. Main body of the device; 2. Screening mechanism; 201. Servo motor; 202. Connecting shaft; 203. Roller; 204. Connecting gear; 205. Transmission belt; 206. Transmission rod; 207. Electromagnet; 3. Conveying mechanism; 301. Control motor; 302. Conveying pipe; 303. Flotation machine; 304. Connecting rod; 305. Conveying blades. Detailed Implementation
[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0025] This utility model provides, for example Figure 1-5 The waste three-way catalyst recycling device shown includes a main body 1. A screening mechanism 2 is fixedly connected to one side of the main body 1 and rotatably connected inside the main body 1. Conveying mechanisms 3 are fixedly connected to both sides of the main body 1 and located below the screening mechanism 2. Through the cooperation between the internal parts of the screening mechanism 2, the waste catalyst can be crushed and its internal magnetic materials can be magnetically separated. Through the cooperation between the internal parts of the conveying mechanism 3, the precious metal powders with different properties inside the catalyst can be transported, so that the precious metal powders can be separated into layers in the flotation machine 303, thereby reducing the floor space occupied by multiple recycling and processing devices.
[0026] Refer to the instruction manual appendix Figure 1-5 The screening mechanism 2 includes a servo motor 201, which is fixedly mounted on one side of the main body 1. A connecting shaft 202 is rotatably connected inside the main body 1 and located on one side of the servo motor 201. A crushing roller 203 is fixedly connected to the side of the connecting shaft 202 away from the servo motor 201. A connecting gear 204 is sleeved and fixedly mounted on the outer wall of the connecting shaft 202. A transmission rod 206 is rotatably connected inside the main body 1 and located below the connecting shaft 202. A transmission belt 205 is sleeved between the outer wall of the connecting shaft 202 and the outer wall of the transmission rod 206 and located inside the main body 1. An electromagnet 207 is fixedly connected to the side of the transmission rod 206 near the crushing roller 203 and located at the bottom end of the crushing roller 203 away from the connecting shaft 202. Through the mutual cooperation between the internal parts of the screening mechanism 2, the waste catalyst can be crushed and its internal magnetic materials can be magnetically separated.
[0027] Refer to the instruction manual appendix Figure 1-5The transport mechanism 3 includes a control motor 301, which is fixed on one side of the main body 1 and located below the servo motor 201. A transport pipe 302 is fixed on the side of the main body 1 away from the control motor 301 and extends into the interior of the main body 1. A flotation machine 303 is fixed on the side of the transport pipe 302 away from the main body 1. A connecting rod 304 is rotatably connected to one side of the control motor 301 and extends through the main body 1 into the interior of the transport pipe 302. A transport blade 305 is sleeved on the outer wall of the connecting rod 304 and fits against the inner wall of the transport pipe 302, extending into the interior of the flotation machine 303. Through the cooperation between the internal parts of the transport mechanism 3, the precious metal powders with different properties inside the catalyst can be transported, allowing the precious metal powders to be separated into layers in the flotation machine 303.
[0028] Refer to the instruction manual appendix Figure 1-5 Multiple connecting shafts 202 mesh with each other through connecting gears 204. The main body 1 of the device has a transmission groove inside that matches the transmission belt 205. The outer walls of the transmission rod 206 and the connecting shaft 202 are provided with friction protrusions that match the transmission belt 205. The friction protrusions on the outer walls of the transmission rod 206 and the connecting shaft 202 that match the transmission belt 205 facilitate the connecting shaft 202 to drive the transmission rod 206 to rotate synchronously through the transmission belt 205.
[0029] Refer to the instruction manual appendix Figure 1-5 The connecting shaft 202 is rotatably connected to the servo motor 201. The outer wall of the rolling roller 203 is provided with rolling grooves. The two ends of the main body 1 of the device are provided with discharge grooves that match the electromagnet 207. The inside of the main body 1 of the device is provided with scrapers that are attached to the surface of the electromagnet 207. By providing scrapers that are attached to the surface of the electromagnet 207 inside the main body 1 of the device, it is easy for the scrapers to scrape off the magnetic material adsorbed on the electromagnet 207, so that the magnetic material falls from the electromagnet 207 onto the discharge groove and is discharged from the inside of the main body 1 of the device.
[0030] Refer to the instruction manual appendix Figure 1-5 The device body 1 has a separation groove located between the electromagnet 207 and the transport tube 302. The connecting rod 304 is rotatably connected to the device body 1 through a bearing. The transport tube 302 has a transport groove that matches the transport blade 305. The separation groove located between the electromagnet 207 and the transport tube 302 inside the device body 1 facilitates the precious metal powder to fall into the transport tube 302 through the separation groove.
[0031] The working principle of this practical application is as follows:
[0032] Refer to the instruction manual appendix Figure 1-5By starting the servo motor 201, the servo motor 201 drives the connecting shaft 202 to rotate, which in turn drives the crushing roller 203 to rotate. This rotation of the connecting shaft 202 drives the connecting gear 204 to rotate, which in turn drives the crushing roller 203 to rotate in opposite directions. The rotation of the crushing roller 203 crushes the waste catalyst inside the main body 1, crushing it into small blocks or powder. The powder then rolls off the main body 1 onto the electromagnet 207. Simultaneously, the rotation of the connecting shaft 202 drives the transmission rod 206 to rotate via the transmission belt 205. The transmission rod 206 then drives the electromagnet 207 to rotate, causing the electromagnet 207 to magnetically attract the falling magnetic material. The scraper then scrapes off the magnetic material adsorbed on the electromagnet 207, causing it to fall from the electromagnet 207 onto the discharge trough and be discharged from the main body 1. This completes the separation of magnetic material from the catalyst and reduces the floor space occupied by the main body 1.
[0033] Refer to the instruction manual appendix Figure 1-5 By starting the control motor 301, the precious metal powder falls into the transport pipe 302 through the separation tank between the electromagnet 207 and the transport pipe 302. The control motor 301 rotates, driving the connecting rod 304 to rotate. The rotating connecting rod 304 drives the transport blade 305 to rotate, causing the transport blade 305 to rotate and transport the catalyst material inside the transport pipe 302. The catalyst powder is then transported through the transport pipe 302 to the flotation machine 303, where the precious metal inside the catalyst powder is separated by flotation. This completes the recovery of the precious metal inside the catalyst.
[0034] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A device for recycling spent three-way catalysts, comprising a device body (1), characterized in that: One side of the device body (1) is connected and fixed with a screening mechanism (2), and is rotatably connected to the inside of the device body (1), both sides of the device body (1) are connected and fixed with a conveying mechanism (3), and are located below the screening mechanism (2); The screening mechanism (2) comprises a servo motor (201), the servo motor (201) is installed and fixed on one side of the device body (1), the inside of the device body (1) is rotatably connected with a connecting shaft (202), and one side of the servo motor (201) is located, one side of the connecting shaft (202) away from the servo motor (201) is connected and fixed with a rolling roller (203), the outer wall of the connecting shaft (202) is connected and fixed with a connecting gear (204), the inside of the device body (1) is rotatably connected with a transmission rod (206), and the lower side of the connecting shaft (202) is located, the outer wall of the connecting shaft (202) and the outer wall of the transmission rod (206) are sleeved with a transmission belt (205), and the inside of the device body (1) is located, one side of the transmission rod (206) close to the rolling roller (203) is connected and fixed with an electromagnet (207), and the bottom end of the side of the rolling roller (203) away from the connecting shaft (202) is located. The conveying mechanism (3) comprises a control motor (301), the control motor (301) is installed and fixed on one side of the device body (1), and is located below the servo motor (201), the side of the device body (1) away from the control motor (301) is installed and fixed with a conveying pipe (302), and penetrates to the inside of the device body (1), one side of the conveying pipe (302) away from the device body (1) is connected and fixed with a flotation machine (303), one side of the control motor (301) is rotatably connected with a connecting rod (304), and penetrates the device body (1) to the inside of the conveying pipe (302), the outer wall of the connecting rod (304) is sleeved with a conveying blade (305), and is attached to the inner wall of the conveying pipe (302), and penetrates to the inside of the flotation machine (303).
2. The apparatus for recycling spent three-way catalyst according to claim 1, characterized by: A plurality of the connecting shafts (202) are meshed with each other through the connecting gears (204), the inside of the device body (1) is provided with a transmission groove matched with the transmission belt (205), the outer walls of the transmission rod (206) and the connecting shaft (202) are provided with friction protrusions matched with the transmission belt (205).
3. The apparatus for recycling spent three-way catalyst according to claim 1, characterized by: The connecting shaft (202) is rotatably connected with the servo motor (201), the outer wall of the rolling roller (203) is provided with a rolling pattern, both ends of the device body (1) are provided with discharge grooves matched with the electromagnet (207), and the inside of the device body (1) is provided with a scraping plate attached to the surface of the electromagnet (207).
4. The apparatus for recycling spent three-way catalyst according to claim 1, characterized by: The inside of the device body (1) is provided with a separation groove between the electromagnet (207) and the conveying pipe (302), the connecting rod (304) is rotatably connected with the device body (1) through a bearing, and the inside of the conveying pipe (302) is provided with a conveying groove matched with the conveying blade (305).