Metal gallium washing device

Abstract

The utility model discloses a metal gallium washing device which comprises a washing tank, a stirring mechanism and a filtering structure, a heat preservation structure is arranged on the periphery of the washing tank, a washing space is formed in the washing tank, the washing tank is provided with a liquid discharging opening, and the liquid discharging opening communicates with the washing space and the space outside the washing tank; the stirring mechanism is arranged in the washing space and comprises a stirring disc, and the stirring disc is arranged at the bottom of the washing space; the filtering structure is arranged at the liquid outlet and is used for preventing the metal gallium from passing through. By the adoption of the gallium metal washing device, gallium metal can make full contact with the washing liquid in the washing process, the washing and impurity removing effect is improved, the gallium metal liquid and the washing liquid can be separated immediately after washing is completed, and the situation that the quality of gallium is affected by washing liquid residues is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of metal gallium purification equipment, and in particular to a metal gallium washing device. Background Art

[0002] Gallium metal is a rare metal with unique properties: a low melting point, a high boiling point, excellent electrochemical properties, and thermal conductivity, enabling efficient conduction of both electrical current and heat. As a synthetic material for semiconductors, it is widely used in electronics, optics, energy, and the manufacture of infrared detectors. The purity of high-purity gallium directly impacts device performance and stability. Therefore, the semiconductor industry demands extremely high purity and extremely low levels of specific elemental impurities, while also placing stringent demands on product uniformity and stability.

[0003] In related technologies, high-purity gallium purification processes primarily include chemical treatment, electrolysis, and crystallization. Gallium purification processes typically use chemical treatment as a pretreatment step for metallic gallium purification. However, due to the high specific gravity of gallium during chemical treatment, the gallium at the bottom of the gallium is not sufficiently in contact with the wash solution during stirring, resulting in suboptimal cleaning and impurity removal. Furthermore, there is the issue of incomplete separation between the gallium and the wash solution. Utility Model Content

[0004] In order to solve at least one of the above-mentioned technical problems, the present application provides a metal gallium washing device, which can fully contact the metal gallium with the absorption and washing liquid during the washing process, improve the washing and impurity removal effect, and can immediately complete the separation of the metal gallium liquid and the washing liquid after the washing is completed. The technical solution adopted is as follows.

[0005] The metal gallium washing device provided in the present application includes a washing tank, a stirring mechanism and a filtering structure. The outer periphery of the washing tank is provided with a heat-insulating structure, a washing space is formed in the washing tank, and the washing tank is provided with a liquid discharge port, which is connected to the washing space and the tank space outside the washing tank; the stirring mechanism is arranged in the washing space, the stirring mechanism includes a stirring disk, and the stirring disk is arranged at the bottom of the washing space; the filtering structure is arranged at the liquid discharge port, and the filtering structure is used to block the passage of metal gallium.

[0006] In certain embodiments of the present application, the filter structure includes a filter core, and the filter core is plugged into the liquid discharge port.

[0007] In certain embodiments of the present application, the filter core is configured as a columnar structure, the filter core is extended along the height direction of the washing tank, the bottom of the washing tank is provided with a mounting boss protruding toward the washing space, the mounting boss is provided with the liquid drain port, and the filter core is detachably plugged into the mounting boss.

[0008] In certain embodiments of the present application, the filtering structure includes a tubular filter core, which is extended along the height direction of the washing tank. The bottom of the washing tank is provided with a mounting boss protruding toward the washing space, and the liquid drain port is provided in the mounting boss. The filter core is threadedly connected to the mounting boss.

[0009] In certain embodiments of the present application, the stirring mechanism further includes a stirring rod and a stirring baffle, the stirring rod is connected to the center of the stirring plate and is used to drive the stirring plate to rotate, the stirring plate is arranged parallel to the bottom of the washing tank, and the stirring baffle is arranged on at least one side surface of the stirring plate, and the stirring baffle is arranged perpendicular to the stirring plate.

[0010] In certain embodiments of the present application, the stirring baffle is arranged to extend radially along the stirring disk, and the stirring mechanism includes a plurality of stirring baffles, which are arranged at intervals along the circumference of the stirring disk.

[0011] In certain embodiments of the present application, the stirring plate is further provided with a plurality of dispersion holes, which are spaced apart on the stirring plate. The dispersion holes penetrate the two side surfaces of the stirring plate, and the axes of the dispersion holes are arranged at an acute angle to the rotation axis of the stirring plate.

[0012] In certain embodiments of the present application, the insulation structure includes an insulation jacket, which is provided with an inlet and an outlet, through which an insulation medium is introduced into the insulation jacket. Along the height direction of the washing tank, the inlet is arranged above the outlet, and the insulation jacket is used to maintain the temperature in the washing space higher than the melting point of metal gallium.

[0013] In certain embodiments of the present application, the metal gallium washing device further includes a hot water circulation system, and the hot water circulation system is connected to the space inside the thermal insulation jacket.

[0014] In certain embodiments of the present application, the bottom of the washing tank is further provided with a gallium outlet, and the bottom of the washing tank is provided with a diversion slope, and the diversion slope is inclined toward the gallium outlet.

[0015] The embodiments of the present application have at least the following beneficial effects: The insulation effect of the insulation structure around the washing tank can maintain the temperature within the washing space above the melting point of gallium metal, ensuring that the gallium metal remains liquid during the washing process, thereby maintaining good fluidity. The provision of a stirring disk at the bottom of the washing space not only solves the problem of gallium metal easily depositing at the bottom of the washing tank due to its high specific gravity during chemical treatment, resulting in insufficient contact between the gallium metal and the washing liquid, but also, during its rotation, the stirring disk can cut the liquid gallium metal into small droplets, thereby increasing the contact area between the gallium metal and the washing liquid. This sufficient contact between the gallium metal and the washing liquid allows impurities within the gallium metal to fully react with the washing liquid, thereby improving the washing and impurity removal effect. The provision of a filter structure utilizes its barrier effect on gallium metal. After washing is completed, the liquid outlet is opened. Since only the washing liquid can pass through the pores of the filter structure and exit the washing tank through the liquid outlet, the gallium metal remains in the washing tank, facilitating the addition of liquid for washing or collection. In this way, the gallium metal liquid and the washing liquid can be quickly and completely separated after washing, which not only prevents the washing liquid residue from affecting the quality of the gallium metal, but also reduces manual operations and improves washing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The aspects and advantages described and / or attached in the embodiments of the present application will become apparent and easily understood in conjunction with the following drawings. It should be noted that the embodiments embodied in the following drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0017] Figure 1 A schematic structural diagram of a metal gallium washing device provided in an embodiment of the present application;

[0018] Figure 2 A structural wireframe diagram of a metal gallium washing device provided in an embodiment of the present application;

[0019] Figure 3 A schematic structural diagram of a stirring mechanism of a metal gallium washing device provided in an embodiment of the present application;

[0020] Figure 4 This is a schematic diagram of the structure of the stirring plate and dispersion holes of the metal gallium washing device provided in an embodiment of the present application.

[0021] Figure numerals: 100, metal gallium washing device; 10, washing tank; 11, insulation structure; 111, inlet; 112, outlet; 12, washing space; 13, liquid discharge port; 14, mounting boss; 15, gallium discharge port; 20, stirring mechanism; 21, stirring plate; 22, stirring rod; 23, stirring baffle; 24, dispersion hole; 25, stirring drive member; 30, filtering structure. DETAILED DESCRIPTION

[0022] The following combination Figures 1 to 4 Embodiments of the present application are described in detail, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and are not to be construed as limiting the present application.

[0023] In the description of this application, it should be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, unless otherwise specified, "multiple" means two or more.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0025] See also Figure 1 and Figure 2The present application provides a gallium metal washing device 100 (hereinafter referred to as washing device 100 ), comprising a washing tank 10, a stirring mechanism 20, and a filtering structure 30. A heat-insulating structure 11 is provided on the periphery of washing tank 10, and a washing space 12 is formed therein. Washing tank 10 is provided with a liquid discharge port 13, which connects washing space 12 with the space outside washing tank 10. Stirring mechanism 20 is disposed in washing space 12 and includes a stirring disk 21 disposed at the bottom of washing space 12. A filtering structure 30 is disposed at liquid discharge port 13 and is used to prevent gallium metal from passing through. The heat-insulating structure 11 on the periphery of washing tank 10 maintains the temperature within washing space 12 above the melting point of gallium metal, ensuring that the gallium metal remains liquid during the washing process, thereby maintaining good fluidity. By providing a stirring disc 21 at the bottom of the washing space 12, not only does it address the problem of gallium metal easily settling at the bottom of the washing tank 10 during chemical treatment due to its high specific gravity, resulting in insufficient contact between the gallium metal and the washing liquid, but also, during its rotation, the stirring disc 21 can cut the liquid gallium metal into small droplets, thereby increasing the contact area between the gallium metal and the washing liquid. This sufficient contact between the gallium metal and the washing liquid allows impurities within the gallium metal to fully react with the washing liquid, improving the washing and impurity removal effect. By providing a filter structure 30, the filter structure 30 utilizes its barrier effect on the gallium metal. After washing is completed, the liquid outlet 13 is opened. Since only the washing liquid can pass through the pores of the filter structure 30 and exit the washing tank 10 through the liquid outlet 13, the gallium metal remains in the washing tank 10, facilitating the addition of liquid for washing or collection. This allows for rapid and complete separation of the gallium metal liquid and the washing liquid after washing, preventing residual washing liquid from affecting the gallium metal's quality while reducing manual labor and improving washing efficiency.

[0026] It is understood that the washing liquid refers to a chemical reagent (such as an acid) that can react with impurities (such as metallic aluminum) in the metal gallium liquid. Its specific composition, concentration, and ratio depend on the purity of the metal gallium liquid and the specific types of impurities. This solution aims to provide a washing device 100, and therefore does not limit the composition and concentration of the washing liquid.

[0027] In some embodiments, the filter structure 30 includes a filter core that is plugged into the liquid outlet 13. By configuring the filter structure 30 as a filter core, the surface area of ​​the filter structure 30 can be increased, thereby improving filtration efficiency. The plug-in connection between the filter core and the liquid outlet 13 can reduce the difficulty of installing the filter core and improve the ease of operation of the washing device 100. Of course, in other examples, the filter structure 30 can also be a filter mesh layer covering the liquid outlet 13 or a filter block filling the liquid outlet 13.

[0028] Optionally, the filter element can be made of PP (polypropylene). PP has excellent chemical stability and corrosion resistance in acidic and alkaline environments. PP also offers excellent strength, wear resistance, and environmental friendliness. Optionally, the filter element can have a pore size of 1 μm, which ensures that the gallium metal liquid is blocked, preventing it from flowing through, while allowing the wash solution to pass smoothly through the filter element.

[0029] In some embodiments, the filter core is configured as a columnar structure, extending along the height of the washing tub 10. The bottom of the washing tub 10 is provided with a mounting boss 14 protruding toward the washing space 12. The mounting boss 14 is provided with a liquid discharge port 13, and the filter core is removably plugged into the mounting boss 14. By extending the columnar filter core along the height of the washing tub 10, when a certain depth of washing liquid is present in the washing tub 10, the washing liquid can be quickly discharged through the filter core, thereby improving the filtration rate. Using the mounting boss 14 to plug the filter core helps secure the filter core to the liquid discharge port 13, preventing the filter core from moving.

[0030] It is understandable that the filter element can be a long solid columnar structure or a tubular structure. The filter element and the mounting boss 14 can not only be connected by plugging, but the two can also be connected by threading. For example, the outer circumferential surface of the filter element is provided with threads, and the filter element is screwed into the inner wall of the mounting boss 14 by rotating installation. Alternatively, when the filter element is set as a tubular structure, the inner circumferential surface of the filter element can also be provided with threads, and the inner circumferential threaded surface of the filter element can be screwed to the outer periphery of the mounting boss 14. Correspondingly, the inner surface or outer surface of the mounting boss 14 can also be provided with threads. The use of a threaded connection method can further improve the installation strength and use stability of the filter element, and can also improve the convenience of operation when the filter element is replaced.

[0031] For example, the filter core may be disposed at the same height as the washing tub 10 , or the filter core may be slightly lower than the top notch of the washing tub 10 .

[0032] In some embodiments, see Figure 3The stirring mechanism 20 also includes a stirring rod 22 and a stirring baffle 23. The stirring rod 22 is connected to the center of the stirring disk 21 and is used to drive the stirring disk 21 to rotate. The stirring disk 21 is arranged parallel to the bottom of the washing tub 10. The stirring baffle 23 is disposed on at least one side of the stirring disk 21 and is arranged perpendicular to the stirring disk 21. The stirring baffle 23 is arranged perpendicular to the stirring disk 21. When the stirring disk 21 rotates, the contact area between the stirring baffle 23 and the metal gallium liquid is increased. The stirring baffle 23 further cuts the liquid gallium, breaking the metal gallium liquid into small droplets. The small droplets of metal gallium can fully contact the washing liquid, allowing impurities in the metal gallium to fully react with the washing liquid, thereby improving the washing and impurity removal effect. It is understood that the stirring mechanism 20 may also include a stirring drive 25, such as a power structure such as a motor or cylinder. The stirring drive 25 drives the stirring rod 22 to rotate, thereby driving the stirring disk 21 to rotate.

[0033] In some embodiments, the stirring baffles 23 extend radially along the stirring disk 21. The stirring mechanism 20 includes a plurality of stirring baffles 23, which are spaced apart along the circumference of the stirring disk 21. This can enhance the cutting effect of the stirring baffles 23 on the gallium metal and improve the stirring efficiency, thereby improving the washing effect.

[0034] Optionally, the stirring baffle 23 can be provided on both sides of the stirring plate 21, or only on one side. Figure 3 In the example of FIG, the stirring baffle 23 is provided on the side surface of the stirring disk 21 away from the bottom of the washing tank 10. There are four stirring baffles 23, and the four stirring baffles 23 are arranged at equal intervals along the circumference of the stirring disk 21.

[0035] In some embodiments, see Figure 4 The agitator disc 21 is also provided with a plurality of dispersion holes 24, which are spaced apart and extend through both sides of the agitator disc 21. The axes of the dispersion holes 24 are arranged at an acute angle to the rotation axis of the agitator disc 21. By providing dispersion holes 24 extending through both sides of the agitator disc 21, the metal gallium liquid on either side of the agitator disc 21 can flow toward each other, thereby improving the fluidity of the metal gallium liquid during the washing process and enhancing the agitation and washing effect. Furthermore, the dispersion holes 24 are arranged at an angle—that is, the axes of the dispersion holes 24 are not parallel to the rotation axis of the agitator disc 21, but rather form a certain angle between them. This facilitates the dispersion holes 24 to further divide the metal gallium liquid with the help of the rotation of the agitator disc 21, dispersing the metal gallium droplets into smaller sizes, increasing the contact area between the metal gallium and the wash solution, and ensuring a more complete washing reaction. For example, the angle between the axes of the dispersion holes 24 and the rotation axis of the agitator disc 21 is 45°.

[0036] In some embodiments, the insulation structure 11 includes an insulation jacket, which is provided with an inlet 111 and an outlet 112. The insulation medium is introduced into the insulation jacket through the inlet 111 and the outlet 112. Along the height direction of the washing tank 10, the inlet 111 is arranged above the outlet 112. The insulation jacket is used to maintain the temperature in the washing space 12 above the melting point of metallic gallium. In this way, the insulation medium can flow in the insulation jacket in a "bottom-in, top-out" manner, thereby reducing the flow rate of the insulation medium, increasing the residence time of the insulation medium in the insulation jacket, and improving the insulation effect. For example, the insulation medium can be hot water or other liquid medium.

[0037] In some embodiments, the gallium metal washing device 100 further includes a hot water circulation system (not shown), which is connected to the space inside the insulation jacket. The hot water circulation system can continuously heat the insulation medium (hot water) to ensure the energy supply of the insulation jacket, so that the washing space 12 can maintain a suitable washing temperature. Optionally, the temperature range of the insulation medium can be 35°C to 60°C, which can ensure that the temperature in the washing space 12 is maintained above the melting point of gallium metal (29.8°C). Exemplarily, the hot water circulation system may include a water pump, a water storage tank, a heating structure, and connecting pipes.

[0038] In some embodiments, the bottom of the washing tub 10 is further provided with a gallium discharge port 15. The bottom of the washing tub 10 is also provided with a diversion slope (not shown), which is inclined toward the gallium discharge port 15. The diversion slope ensures that the metallic gallium liquid in the washing tub 10 is completely drained along the diversion slope when the gallium discharge port 15 is opened, preventing the metallic gallium liquid from remaining at the bottom of the washing tub 10 and causing waste. It will be appreciated that both the gallium discharge port 15 and the liquid discharge port 13 are equipped with valves to control their opening and closing. During the washing and agitation process, both the gallium discharge port 15 and the liquid discharge port 13 remain closed. After washing is completed, the liquid discharge port 13 and the gallium discharge port 15 are opened sequentially as needed. The gallium discharge port 15 and the liquid discharge port 13 can be controlled by solenoid valves or manually.

[0039] An example of the working process of the metal gallium washing device 100:

[0040] The melted gallium metal liquid is added to the washing tank 10, and then an appropriate amount of washing liquid is added. The stirring drive 25 (e.g., a motor) is started. The stirring drive 25 drives the stirring plate 21 to rotate via the stirring rod 22, cutting and stirring the gallium metal liquid. The fine gallium particles stirred out come into contact with the washing liquid, and impurities such as zinc, iron, and copper in the gallium metal liquid react with the washing liquid to be removed. After washing for 20 minutes, the stirring drive 25 is stopped, the valve of the liquid outlet 13 is opened, and the washing liquid is discharged through the filter element. The gallium metal liquid remains in the washing tank 10. After the washing liquid is completely emptied, the valve of the gallium outlet 15 is opened to release the gallium metal after chemical washing and impurity removal.

[0041] In the description of this specification, if the reference terms "one embodiment," "some examples," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples" appear, it means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0042] The above describes the implementation methods of the present application in detail in conjunction with the accompanying drawings, but the present application is not limited to the above implementation methods. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present application.

[0043] In the description of this application, if the "," appears in the patent title, it indicates an "and" relationship, not an "or" relationship. For example, if the patent title is "A, B", it means that the content protected by this application is: the technical solution of the subject name A and the technical solution of the subject name B.

Claims

1. A gallium metal washing device, characterized in that: include A washing tank, wherein the outer periphery of the washing tank is provided with a heat-insulating structure, a washing space is formed in the washing tank, and the washing tank is provided with a liquid discharge port, wherein the liquid discharge port is connected to the washing space and the space outside the washing tank; a stirring mechanism disposed in the washing space, the stirring mechanism comprising a stirring plate disposed at the bottom of the washing space; A filter structure is provided at the liquid outlet, and is used to prevent metal gallium from passing through.

2. The metal gallium washing device according to claim 1, characterized in that: The filter structure includes a filter core, and the filter core is plugged into the liquid discharge port.

3. The gallium metal cleaning device according to claim 2, characterized in that: The filter core is arranged as a columnar structure, and the filter core is extended along the height direction of the washing tank. The bottom of the washing tank is provided with a mounting boss protruding toward the washing space, and the liquid discharge port is provided in the mounting boss. The filter core is detachably plugged into the mounting boss.

4. The metal gallium washing device according to claim 1, characterized in that: The filtering structure includes a tubular filter core, which is extended along the height direction of the washing tank. The bottom of the washing tank is provided with a mounting boss protruding toward the washing space. The liquid discharge port is provided in the mounting boss, and the filter core is threadedly connected to the mounting boss.

5. The metal gallium washing device according to claim 1, characterized in that: The stirring mechanism also includes a stirring rod and a stirring baffle, the stirring rod is connected to the center of the stirring plate and is used to drive the stirring plate to rotate, the stirring plate is arranged parallel to the bottom of the washing tank, and the stirring baffle is arranged on at least one side surface of the stirring plate, and the stirring baffle is arranged perpendicular to the stirring plate.

6. The metal gallium washing device according to claim 5, characterized in that: The stirring baffle is extended along the radial direction of the stirring disk, and the stirring mechanism includes a plurality of stirring baffles, which are spaced apart along the circumference of the stirring disk.

7. The metal gallium washing device according to claim 5, characterized in that: The stirring disk is further provided with a plurality of dispersion holes, which are spaced apart on the stirring disk. The dispersion holes penetrate the two side surfaces of the stirring disk, and the axes of the dispersion holes are arranged at an acute angle to the rotation axis of the stirring disk.

8. The metal gallium washing device according to any one of claims 1 to 7, characterized in that: The insulation structure includes an insulation jacket, which is provided with an inlet and an outlet. The insulation medium is introduced into the insulation jacket through the inlet and the outlet. Along the height direction of the washing tank, the inlet is arranged above the outlet. The insulation jacket is used to maintain the temperature in the washing space higher than the melting point of metal gallium.

9. The metal gallium washing device according to claim 8, characterized in that: The metal gallium washing device further includes a hot water circulation system, which is connected to the space inside the thermal insulation jacket.

10. The metal gallium washing device according to any one of claims 1 to 7, characterized in that: The bottom of the washing tank is further provided with a gallium outlet, and the bottom of the washing tank is provided with a diversion slope, and the diversion slope is inclined toward the gallium outlet.

Images