A rare earth waste dissolution, separation and filtration device

Abstract

This utility model discloses a rare earth waste dissolution, separation, and filtration device, relating to the field of rare earth waste dissolution and separation technology. It includes a filter housing with a separation and filtration mechanism for dissolving rare earth waste. The separation and filtration mechanism includes a connecting shaft that rotates, driving a stirring rod to stir the rare earth waste and solvent within the dissolution housing. This accelerates the mixing of the rare earth waste and solvent, improving dissolution efficiency. A scraper support rotates with the stirring rod, adhering to the inner wall of the filter housing to prevent material accumulation, reduce cleaning costs, and ensure smooth dissolution. A dispersion plate rotates with the connecting shaft, dispersing the material through drainage holes and better distributing it onto the surface of the filter screen, preventing concentrated accumulation on the screen and providing a buffering effect to avoid damage to the screen, thus improving filtration.

Description

Technical Field

[0001] This utility model relates to the field of rare earth waste dissolution and separation technology, specifically a rare earth waste dissolution, separation and filtration device. Background Technology

[0002] In the mining and production of rare earth minerals, the recycling and processing of rare earth waste is an important task. It can reduce the amount of rare earth mineral resources mined, alleviate the rare earth resource crisis, promote the virtuous cycle of ecological resources, and reduce the pollution of rare earth waste to the environment. It has both important economic and social benefits. There are three main methods for recycling and processing rare earth waste: hydrochloric acid dissolution method, full melting method, and sulfuric acid double salt method. Each of them has its own characteristics and shortcomings. However, regardless of the method used, all rare earth waste processing must be dissolved and filtered in acid to obtain precipitates containing rare earth elements. Rare earth oxides are then extracted from the precipitates in the next process.

[0003] In the rare earth waste treatment process, dissolution, separation, and filtration are core steps that directly affect the recovery efficiency and product quality of rare earth elements. However, in the existing rare earth waste dissolution stage, the solvent and waste are mixed, but without stirring, it is difficult to achieve sufficient mixing of rare earth waste and solvent, resulting in low dissolution efficiency. Furthermore, when the material is directly fed into the filter screen after stirring and dissolving, there is no buffering or dispersion, which easily causes damage and accumulation of the filter screen. Moreover, there is a lack of effective cleaning measures for the material on the inner wall of the container, resulting in serious material adhesion and accumulation, which not only wastes resources but also increases the cost of equipment cleaning and maintenance. At the same time, in the filtration stage, the filter screen is easily clogged by impurities, which reduces the filtration throughput and significantly reduces the filtration efficiency. Therefore, this utility model provides a rare earth waste dissolution, separation, and filtration device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a rare earth waste dissolution, separation, and filtration device. It solves the problems of low dissolution efficiency caused by the lack of stirring during the dissolution stage, where the solvent and waste are mixed but not thoroughly mixed, resulting in poor mixing efficiency. Furthermore, the device addresses the issue of insufficient buffering and dispersion when the dissolved material is directly fed into the filter screen, leading to damage and buildup. Additionally, the lack of effective cleaning measures for the inner wall of the container results in severe material adhesion and accumulation, wasting resources and increasing equipment cleaning and maintenance costs. Finally, the device addresses the problem of filter screen clogging due to impurities during filtration, causing a decrease in filtration throughput and a significant reduction in filtration efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rare earth waste dissolution, separation, and filtration device, comprising a filter housing, wherein the filter housing is provided with a separation and filtration mechanism for dissolving rare earth waste, the separation and filtration mechanism comprising:

[0006] The stirring assembly includes a dissolving shell fixed to the upper end of a filter shell, a supporting shell fixed to the inner wall of the dissolving shell, a drive shaft rotatably connected inside the supporting shell, a connecting shaft connected to one end of the drive shaft via a gear assembly, a stirring rod fixed to the outer wall of the connecting shaft, a scraper bracket fixed to the end of the stirring rod that fits against the inner wall of the filter shell, a dispersing plate fixed to the bottom end of the connecting shaft, and drainage holes evenly formed inside the dispersing plate.

[0007] The filter assembly includes a filter housing with an internally rotatably connected mounting shaft. Cams are uniformly fixed to the outer wall of the mounting shaft. The inner wall of the filter housing is provided with a filter screen body that is connected via a disassembly assembly.

[0008] Preferably, the gear assembly includes a first bevel gear whose drive shaft is fixed at one end inside the dissolving shell, a connecting shaft that is rotatably connected to the vertical direction of the supporting shell, and a second bevel gear that meshes with the first bevel gear at one end of the connecting shaft that extends into the supporting shell.

[0009] Preferably, the drive shaft is driven by a motor, and the drive shaft and the mounting shaft are connected by a transmission belt and a transmission wheel.

[0010] Preferably, the disassembly assembly includes a mounting groove formed on the inner wall of the filter housing, and a mounting plate connected by bolts is engaged inside the mounting groove, with the filter body fixedly connected to the inner wall of the mounting plate.

[0011] Preferably, a mounting cover connected by bolts is attached to one side wall of the filter housing, and a sealing strip is fixed at the edge of the mounting cover.

[0012] Preferably, the filter body is located above the cam, and the cam is in contact with the bottom of the filter body. The mounting shaft and the cam are set in two sets, and the mounting shafts are connected by a transmission belt and a transmission wheel.

[0013] Beneficial effects

[0014] This invention provides a rare earth waste dissolution, separation, and filtration device. Compared with the prior art, it has the following advantages:

[0015] Firstly, this invention utilizes a rotating connecting shaft, which in turn drives a stirring rod to agitate the rare earth waste and solvent within the dissolving shell. This accelerates the mixing of the rare earth waste and solvent, improving dissolution efficiency. The scraper support rotates with the stirring rod, adhering to the inner wall of the filter shell, preventing material accumulation and reducing cleaning costs. This also ensures a smooth dissolution process. The dispersing plate rotates with the connecting shaft, dispersing the material through the drainage holes and allowing it to settle better on the surface of the filter screen, preventing concentrated accumulation on the screen. This also provides a buffering effect, preventing damage to the filter screen and thus improving filtration.

[0016] Secondly, after the material is dissolved, it enters the filter housing and is filtered on the filter screen body. The drive shaft drives the mounting shaft to rotate through the transmission belt and transmission wheel. The mounting shaft drives the cam to rotate. The cam is in contact with the bottom of the filter screen body, causing the filter screen body to vibrate. Through the setting of the mounting shaft and cam, the filter screen body vibrates, which effectively prevents the filter screen from clogging and improves the filtration efficiency. Moreover, the design of two sets of mounting shafts and cams, connected by the transmission belt and transmission wheel, enhances the vibration effect and further improves the filtration performance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the filter housing of this utility model;

[0019] Figure 3 This is a schematic diagram of the cam connection structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the dissolution shell of this utility model;

[0021] Figure 5 This is a schematic diagram of the main structure of the filter screen of this utility model.

[0022] In the diagram: 1. Filter housing; 2. Dissolving housing; 201. Support housing; 202. Drive shaft; 203. First bevel gear; 204. Connecting shaft; 205. Second bevel gear; 206. Stirring rod; 207. Scraper bracket; 3. Dispersing plate; 301. Drainage hole; 4. Mounting groove; 401. Mounting plate; 402. Filter screen body; 5. Mounting shaft; 501. Cam; 6. Mounting cover; 601. Sealing strip. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution: a rare earth waste dissolution, separation, and filtration device, including a filter housing 1, on which a separation and filtration mechanism for dissolving rare earth waste is provided, the separation and filtration mechanism including:

[0025] The stirring assembly includes a dissolving shell 2 fixed to the upper end of a filter shell 1, a supporting shell 201 fixed to the inner wall of the dissolving shell 2, a drive shaft 202 rotatably connected inside the supporting shell 201, a connecting shaft 204 connected to the drive shaft 202 via a gear assembly at one end, a stirring rod 206 fixed to the outer wall of the connecting shaft 204, a scraper bracket 207 attached to the inner wall of the filter shell 1 fixed to the end of the stirring rod 206, and a dispersing plate 3 fixed to the bottom end of the connecting shaft 204, with drainage holes 301 evenly opened inside the dispersing plate 3;

[0026] The filter assembly includes a filter housing 1 with an internally rotatably connected mounting shaft 5. Cams 501 are uniformly fixed on the outer wall of the mounting shaft 5. The inner wall of the filter housing 1 is provided with a filter screen body 402 connected by a disassembly assembly.

[0027] In a preferred embodiment, the gear assembly includes a first bevel gear 203 fixed at one end inside the dissolving housing 2, a connecting shaft 204 rotatably connected in the vertical direction of the supporting housing 201, and a second bevel gear 205 fixed at one end inside the supporting housing 201, which meshes with the first bevel gear 203. The drive shaft 202 is driven by a motor, and the drive shaft 202 and the mounting shaft 5 are connected by a transmission belt and a transmission wheel.

[0028] When the drive shaft 202 starts to rotate under the drive of the motor, the first bevel gear 203 rotates with the drive shaft 202. Through meshing with the second bevel gear 205, it drives the connecting shaft 204 to rotate. The connecting shaft 204 drives the stirring rod 206 to rotate, which can accelerate the mixing of rare earth waste and solvent in the dissolution shell 2 and improve the dissolution efficiency. The scraper bracket 207 rotates with the stirring rod 206 and fits against the inner wall of the filter shell 1, which avoids the accumulation of materials on the inner wall of the filter shell 1, reduces cleaning costs, and ensures the smooth progress of the dissolution process. The dispersing plate 3 rotates with the connecting shaft 204, and the materials are dispersed through the drainage hole 301, which better disperses them onto the surface of the filter screen body 402, avoiding concentrated accumulation on the filter screen, thereby achieving better filtration.

[0029] In a preferred embodiment, the disassembly assembly includes an installation groove 4 formed on the inner wall of the filter housing 1. An installation plate 401 connected by bolts is engaged inside the installation groove 4. The filter screen body 402 is fixedly connected to the inner wall of the installation plate 401. An installation cover 6 connected by bolts is attached to one side wall of the filter housing 1. A sealing strip 601 is fixed at the edge of the installation cover 6. When it is necessary to replace or clean the filter screen body 402, the bolts connecting the installation plate 401 are removed, and the installation plate 401 is taken out from the installation groove 4. The filter screen body 402 can then be operated. The installation cover 6 is attached to one side wall of the filter housing 1 and fixed with bolts for disassembly. The filter screen can then be taken out. After the installation cover 6 is fixed, the sealing strip 601 plays a sealing role to prevent material leakage. The installation cover 6 also facilitates the internal inspection and maintenance of the equipment.

[0030] In a preferred embodiment, the filter body 402 is located above the cam 501, and the cam 501 is in contact with the bottom of the filter body 402. The mounting shaft 5 and the cam 501 are configured as two sets, and the mounting shaft 5 is connected to each other by a transmission belt and a transmission wheel. After the material is dissolved, it enters the filter housing 1 and is filtered on the filter body 402. The drive shaft 202 drives the mounting shaft 5 to rotate through the transmission belt and the transmission wheel. The mounting shaft 5 drives the cam 501 to rotate. The cam 501 is in contact with the bottom of the filter body 402, causing the filter body 402 to vibrate. The arrangement of the mounting shaft 5 and the cam 501 causes the filter body 402 to vibrate, which effectively prevents the filter from clogging and improves the filtration efficiency. Furthermore, the design of two sets of mounting shafts 5 and cams 501, connected by a transmission belt and a transmission wheel, enhances the vibration effect and further improves the filtration performance.

[0031] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0032] When using this rare earth waste dissolution and separation filtration device, the drive shaft 202 starts to rotate under the drive of the motor, the first bevel gear 203 rotates accordingly, and drives the connecting shaft 204 to rotate through meshing with the second bevel gear 205. The connecting shaft 204 then drives the stirring rod 206 to rotate, stirring the rare earth waste and solvent in the dissolution shell 2 to accelerate mixing and improve dissolution efficiency. At the same time, the scraper bracket 207 rotates with the stirring rod 206 and fits against the inner wall of the filter shell 1 to prevent material from accumulating on its inner wall, reduce cleaning costs and ensure smooth dissolution. The dispersing plate 3 also rotates with the connecting shaft 204, and the material is dispersed through the drainage hole 301 and falls better onto the surface of the filter screen body 402 to prevent concentrated accumulation on the filter screen and facilitate filtration.

[0033] After the material dissolves, it enters the filter housing 1 and is filtered on the filter screen body 402. At this time, the drive shaft 202 drives the mounting shaft 5 to rotate through the transmission belt and transmission wheel. The mounting shaft 5 drives the cam 501 to rotate. Since the cam 501 is in contact with the bottom of the filter screen body 402, the filter screen body 402 vibrates, which effectively prevents the filter screen from clogging and improves the filtration efficiency. The two sets of mounting shafts 5 and cams 501 are connected by the transmission belt and transmission wheel to further enhance the vibration effect and improve the filtration performance. When it is necessary to replace or clean the filter screen body 402, the bolts connecting the mounting plate 401 are removed, and the mounting plate 401 can be taken out from the mounting groove 4 for operation. The mounting cover 6 is attached to one side wall of the filter housing 1 and fixed with bolts. The sealing strip 601 plays a sealing role to prevent material leakage and facilitates internal inspection and maintenance of the equipment.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rare earth waste material dissolving, separating and filtering device comprising a filtering housing (1), characterized in that: The filter housing (1) is provided with a separation and filtration mechanism for dissolving rare earth waste. The separation and filtration mechanism includes: The stirring assembly includes a dissolving shell (2) fixed to the upper end of a filter shell (1), a supporting shell (201) fixed to the inner wall of the dissolving shell (2), a drive shaft (202) rotatably connected inside the supporting shell (201), a connecting shaft (204) connected by a gear assembly at one end of the drive shaft (202), a stirring rod (206) fixed to the outer wall of the connecting shaft (204), a scraper bracket (207) that fits against the inner wall of the filter shell (1) fixed to the end of the stirring rod (206), and a dispersing plate (3) fixed to the bottom end of the connecting shaft (204), with drainage holes (301) evenly opened inside the dispersing plate (3). The filter assembly includes a filter housing (1) with an internally rotatably connected mounting shaft (5), the outer wall of which is uniformly fixed with cams (501), and the inner wall of the filter housing (1) is provided with a filter screen body (402) connected by a disassembly assembly.

2. The device for dissolving, separating and filtering rare earth waste material according to claim 1, characterized in that: The gear assembly includes a first bevel gear (203) with a drive shaft (202) fixed at one end inside the dissolution shell (2), a connecting shaft (204) rotatably connected to the vertical direction of the support shell (201), and the connecting shaft (204) extending to the inside of the support shell (201) with a second bevel gear (205) fixed at one end, which meshes with the first bevel gear (203).

3. The device for dissolving, separating and filtering rare earth waste material according to claim 1, characterized in that: The drive shaft (202) is driven by a motor, and the drive shaft (202) and the mounting shaft (5) are connected by a transmission belt and a transmission wheel.

4. The rare earth waste dissolution, separation, and filtration device according to claim 1, characterized in that: The disassembly assembly includes an installation groove (4) on the inner wall of the filter housing (1), and an installation plate (401) connected by bolts is engaged inside the installation groove (4). The filter body (402) is fixedly connected to the inner wall of the installation plate (401).

5. The device for dissolving, separating and filtering rare earth waste material according to claim 1, characterized in that: The filter housing (1) has a mounting cover (6) attached to one side wall by bolts, and a sealing strip (601) is fixed at the edge of the mounting cover (6).

6. The device for dissolving, separating and filtering rare earth waste material according to claim 1, characterized in that: The filter body (402) is located above the cam (501), and the cam (501) is attached to the bottom of the filter body (402). The mounting shaft (5) and the cam (501) are set as two sets, and the mounting shaft (5) is connected to each other by a transmission belt and a transmission wheel.

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