Electronic-grade hydrofluoric acid ultra-clean purification device
By introducing feed, filtration and stirring devices into the hydrofluoric acid purification device, the problem of the influence of solid impurities in the solution is solved, efficient filtration and purity guarantee of the solution are achieved, and the accuracy of the experiment and the corrosion resistance of the equipment are ensured.
Patent Information
- Application Number
- CN202411459863.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-01-14
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When the existing electronic grade hydrofluoric acid purification device treats solutions containing solid impurities or precipitates, it fails to effectively filter and remove impurities, affecting subsequent experiments or applications, resulting in measurement errors and equipment corrosion.
A hydrofluoric acid ultra-clean purification device including feeding device, filtering device and stirring device is designed. The gears and rack blocks are driven to move the barrier solution into the gears and rack blocks, and impurities are removed by using activated carbon brushes and vibrating buttons, and through the stirring rod. and scraper to achieve solution stirring and automated quantitative output.
Effectively remove impurities in the solution, ensure the purity and quality of the solution, avoid measurement errors and equipment corrosion, achieve accurate quantity and consistent output of the solution, and extend the service life of the equipment.
Smart Images
Figure CN119303358A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of purification devices, in particular to an electronic-grade hydrofluoric acid ultra-clean purification device. Background Art
[0002] Hydrofluoric acid has extremely high requirements for materials during the purification process because it is highly corrosive. Ultra-clean purification equipment needs to use materials with excellent corrosion resistance to hydrofluoric acid, such as specific stainless steel, polytetrafluoroethylene (PTFE), etc.
[0003] The patent with patent announcement number CN220633031U includes a bottom plate, the left end of the top of the bottom plate is fixedly connected to the main body of the hydrofluoric acid distillation equipment, the right end of the top of the bottom plate is fixedly connected to the first box body through a bracket, and the top of the inner cavity of the first box body is fixedly connected to the nozzle. This patent solves the problem that when the current electronic-grade hydrofluoric acid enters the interior of the condensation tower from the pipeline of the distillation tower, due to the large temperature difference between the inside and outside of the pipeline, many water droplets will appear on the outside of the pipeline. After these water droplets are mixed with impurities in the air, not only the surface of the pipeline is dirty, but also the pipeline is corroded and rusted, which seriously shortens the service life of the pipeline, resulting in easy leakage and affecting the use.
[0004] The above patent solves the problem of leakage in pipes that affects use, but the current measuring equipment has the following problems: if the solution contains solid impurities or precipitates, these solid particles will be retained in the unfiltered solution, causing these solid precipitates to affect subsequent experiments or applications, thereby affecting measurement errors. Summary of the invention
[0005] In view of the deficiencies in the prior art, the present invention provides an electronic-grade hydrofluoric acid ultra-clean purification device, which solves the problems raised in the above-mentioned background technology.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electronic grade hydrofluoric acid ultra-clean purification device, comprising a base, a tank body is fixedly mounted on the inner wall of the base, a top cover is fixedly mounted on the inner wall of the tank body, a groove is opened on the inner wall of the tank body, a rotating motor is arranged on the top of the top cover, a feeding device is arranged on the top of the top cover, and a filtering device and a stirring device are arranged inside the tank body; wherein the feeding device comprises an input block, a first feed port, a rotating shaft, a gear, a rack block, a baffle and a second feed port, the input block is fixedly mounted on the top of the top cover, the The first feed inlet is fixedly mounted on the top of the input block, the rotating shaft is fixedly mounted on the output end of the rotating motor, the rotating shaft rotates and passes through the top cover, the gear is fixedly mounted on the circumferential surface of the rotating shaft, the rack block is slidably mounted on the surface of the gear, the baffle is fixedly mounted on the right side of the rack block, the second feed inlet is fixedly mounted on the top of the top cover, the baffle slides and passes through the input block, the rotating shaft is driven to rotate by starting the rotating motor, the rotation of the rotating shaft drives the gear to rotate, the rotation of the gear drives the rack block to move back and forth left and right, the movement of the rack block drives the baffle to move, and the movement of the baffle intermittently blocks the entry of the solution.
[0007] According to the above technical solution, the gear is meshed with the rack block, and a spiral groove is provided on the top of the rotating shaft.
[0008] According to the above technical scheme, the filtering device includes a filter plate 1, a circular shaft block, an activated carbon brush, a shift block, an arc block, a fixed block, a vibration button and a filter plate 2. The filter plate 1 is slidably mounted on the inner wall of the tank body, the rotating shaft rotates and penetrates the filter plate 1, the circular shaft block is fixedly mounted on the circumferential surface of the rotating shaft, the activated carbon brush is rotatably mounted on the surface of the circular shaft block, the shift block is fixedly mounted on the surface of the activated carbon brush, the arc block is fixedly mounted in the groove of the tank body, the fixed block is fixedly mounted on the inner wall of the tank body, the vibration button is fixedly mounted on the top of the fixed block, the filter plate 2 is fixedly mounted on the inner wall of the tank body, the rotating shaft rotates and penetrates the filter plate 2, the solution enters from the feed port 1 and the feed port 2 and flows to the top of the filter plate 1, the circular shaft block is driven to rotate by the rotation of the rotating shaft, and the rotation of the circular shaft block drives the activated carbon brush to rotate, and the activated carbon brush can absorb impurities in the solution when it rotates.
[0009] According to the above technical solution, the activated carbon brush contacts the filter plate 1, the side of the shift block close to the inner wall of the tank body is set to an arc shape, a rubber block is set on the top of the vibration button, and a spring No. 1 is set between the filter plate 1 and the tank body.
[0010] According to the above technical solution, the stirring device includes a rotating block, a stirring rod, a connecting rod, a scraper and a fan-shaped plate. The rotating block is slidably installed on the circumferential surface of the rotating shaft, the stirring rod is fixedly installed on the right side of the rotating block, the connecting rod is fixedly installed on the circumferential surface of the rotating shaft, the scraper is fixedly installed on the right side of the connecting rod, and the fan-shaped plate is rotatably installed on the circumferential surface of the rotating shaft. The filtered solution will flow to the top of the filter plate 2, and the rotation of the rotating shaft will drive the rotating block to rotate, and the rotation of the rotating block will drive the stirring rod 602 to rotate, so as to stir the solution and make the solution blend together faster.
[0011] According to the above technical solution, the rotating block is threadedly connected to the spiral groove of the rotating shaft, a brush is provided on the surface of the scraper, the scraper contacts the inner wall of the tank body, a clockwork spring is arranged between the fan-shaped plate and the rotating shaft, and the fan-shaped plate is rotated by the clockwork spring after the rotating shaft rotates several times.
[0012] According to the above technical solution, the stirring device also includes an output port, a rubber sealing cover and a long rod. The output port is fixedly installed at the bottom of the tank body, the rubber sealing cover is slidably installed on the inner wall of the output port, and the long rod is fixedly installed on the top of the rubber sealing cover. The rotation of the sector plate will contact the arc-shaped rod set on the top of the long rod, causing the long rod to move downward. The downward movement of the long rod drives the rubber sealing cover to move downward, and at this time the solution in the output port will flow out of it.
[0013] According to the above technical solution, a No. 2 spring is arranged between the output port and the rubber sealing cover, and the top of the long rod is arranged in an arc shape.
[0014] The present invention provides an ultra-clean purification device for electronic-grade hydrofluoric acid. It has the following beneficial effects:
[0015] (1) The invention, through the setting of the feeding device, starts the rotating motor to drive the rotating shaft to rotate, the rotating shaft rotation drives the gear to rotate, the gear rotation drives the rack block to move back and forth, the rack block movement drives the baffle to move, the movement of the baffle will intermittently block the entry of the solution, to prevent the solution from being added too much at one time, resulting in the impurities contained in the solution clogging the filter plate 1, thereby affecting the filtering effect of the filter plate 1.
[0016] (2) In the present invention, through the setting of the filtering device, the solution enters from the feed inlet one and the feed inlet two and flows to the top of the filter plate one. The rotation of the rotating shaft drives the circular shaft block to rotate, and the rotation of the circular shaft block drives the activated carbon brush to rotate. When the activated carbon brush rotates, it can absorb impurities in the solution and remove impurities that have an adverse effect on the properties or components of the solution to ensure the purity and quality of the solution. When the circular shaft block rotates, it cooperates with the shift block, the arc block, the filter plate one and the vibration button to contact and generate vibration. The vibration can help loosen and fall off the solid particles or other impurities attached to the filter plate one, thereby preventing them from clogging or accumulating in the mesh, thereby affecting the filtration efficiency of the filter plate one.
[0017] (3) In the present invention, by setting a stirring device, the filtered solution will flow to the top of the second filter plate, and the solution will be stirred by the stirring rod, so that the solution will blend together faster. The inner wall of the tank can be cleaned by the scraper, which can effectively remove residual chemicals, microorganisms or other impurities, thereby avoiding the mixing of different solutions to cause contamination. After the shaft rotates several times, the fan-shaped plate is rotated by the spring. The rotation of the fan-shaped plate will contact the arc-shaped plate set on the top of the long rod, causing the long rod to move downward. The downward movement of the long rod drives the rubber sealing cover to move downward. At this time, the solution in the output port will flow out from it, playing the role of automatically quantitatively outputting the liquid, which can ensure the accurate amount of the solution in each use or application. Through precise control, the quality and consistency of the solution can be guaranteed, avoiding waste and unnecessary costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 It is a schematic diagram of the internal structure of the present invention;
[0020] Figure 3 It is a partial cross-sectional schematic diagram of the feeding device of the present invention;
[0021] Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure in the middle;
[0022] Figure 5 It is a partial cross-sectional schematic diagram of the filtering device of the present invention;
[0023] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structure B in the middle;
[0024] Figure 7 This is a schematic diagram of the position relationship structure of the vibration button of the present invention;
[0025] Figure 8 For the present invention Figure 7 A magnified schematic diagram of the C structure;
[0026] Fig. 9 It is a partial cross-sectional schematic diagram of the stirring device of the present invention;
[0027] Fig.10 It is a schematic diagram of the position relationship structure of the output port of the present invention.
[0028] In the figure: 1, base; 2, tank body; 3, top cover; 401, input block; 402, feed port 1; 403, rotating shaft; 404, gear; 405, rack block; 406, baffle; 407, feed port 2; 501, filter plate 1; 5011, round shaft block; 502, activated carbon brush; 503, dial block; 504, arc block; 505, fixed block; 506, vibration button; 507, filter plate 2; 601, rotating block; 602, stirring rod; 603, connecting rod; 604, scraper; 605, fan plate; 701, output port; 702, rubber sealing cover; 703, long rod. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0030] See also Figure 1-Figure 4 An embodiment of the present invention is: an electronic grade hydrofluoric acid ultra-clean purification device, comprising a base 1, a tank body 2 is fixedly mounted on the inner wall of the base 1, a top cover 3 is fixedly mounted on the inner wall of the tank body 2, a groove is opened on the inner wall of the tank body 2, a rotating motor is arranged on the top of the top cover 3, and a feeding device is arranged on the top of the top cover 3, wherein the feeding device comprises an input block 401, a feed port 1 402, a rotating shaft 403, a gear 404, a rack block 405, a baffle 406 and a feed port 2 407, the input block 401 is fixedly mounted on the top of the top cover 3, and the feed port 1 402 is fixedly mounted on the input block 401 The top of the top cover 3, the rotating shaft 403 is fixedly installed on the output end of the rotating motor, the rotating shaft 403 rotates and penetrates the top cover 3, the gear 404 is fixedly installed on the circumferential surface of the rotating shaft 403, the rack block 405 is slidably installed on the surface of the gear 404, the baffle 406 is fixedly installed on the right side of the rack block 405, the feed port 2 407 is fixedly installed on the top of the top cover 3, the baffle 406 slides and penetrates the input block 401, and the movement of the baffle 406 will intermittently block the entry of the solution to prevent the solution from being added too much at one time, resulting in the impurities contained therein clogging the filter plate 501, thereby affecting the filtering effect of the filter plate 501.
[0031] The gear 404 is meshed with the rack block 405 , and a spiral groove is provided on the top of the rotating shaft 403 , through which the rotating block 601 can be driven to move up and down on the rotating shaft 403 .
[0032] When this embodiment is working, the rotating motor is started to drive the rotating shaft 403 to rotate, and the rotation of the rotating shaft 403 drives the gear 404 to rotate. The rotation of the gear 404 drives the rack block 405 to move back and forth. The movement of the rack block 405 drives the baffle 406 to move. The movement of the baffle 406 will intermittently block the entry of the solution to prevent the impurities contained in the solution from clogging the filter plate 501 due to excessive addition of the solution at one time, thereby affecting the filtering effect of the filter plate 501.
[0033] See also Figure 1-Figure 10 On the basis of the above embodiment, in another embodiment of the present invention, a filtering device and a stirring device are arranged inside the tank body 2, and the filtering device comprises a filter plate 1 501, a circular shaft block 5011, an activated carbon brush 502, a dial block 503, an arc block 504, a fixed block 505, a vibration button 506 and a filter plate 2 507, the filter plate 1 501 is slidably mounted on the inner wall of the tank body 2, the rotating shaft 403 rotates and penetrates the filter plate 1 501, the circular shaft block 5011 is fixedly mounted on the circumferential surface of the rotating shaft 403, and the activated carbon brush 502 is rotatably mounted on the circular shaft block 5011. The surface of the tank body 2 is fixedly mounted on the surface of the activated carbon brush 502, the arc block 504 is fixedly mounted in the groove of the tank body 2, the fixed block 505 is fixedly mounted on the inner wall of the tank body 2, the vibration button 506 is fixedly mounted on the top of the fixed block 505, the filter plate 2 507 is fixedly mounted on the inner wall of the tank body 2, and the rotating shaft 403 rotates through the filter plate 2 507. Vibration can help loosen and fall off the solid particles or other impurities attached to the filter plate 1 501, thereby preventing them from being blocked or accumulated in the mesh, thereby affecting the filtering efficiency of the filter plate 1 501.
[0034] The activated carbon brush 502 is in contact with the filter plate 501. When the activated carbon brush 502 rotates, it can absorb impurities in the solution and remove impurities that have an adverse effect on the properties or components of the solution to ensure the purity and quality of the solution. The side of the dial block 503 close to the inner wall of the tank body 2 is set to an arc shape. A rubber block is set on the top of the vibration button 506 to prevent the components from contacting each other for a long time and causing wear. A No. 1 spring is set between the filter plate 501 and the tank body 2, and the filter plate 501 is reset by the set No. 1 spring.
[0035] The stirring device includes a rotating block 601, a stirring rod 602, a connecting rod 603, a scraper 604 and a fan-shaped plate 605. The rotating block 601 is slidably installed on the circumferential surface of the rotating shaft 403, the stirring rod 602 is fixedly installed on the right side of the rotating block 601, the connecting rod 603 is fixedly installed on the circumferential surface of the rotating shaft 403, the scraper 604 is fixedly installed on the right side of the connecting rod 603, and the fan-shaped plate 605 is rotatably installed on the circumferential surface of the rotating shaft 403 to stir the solution and make the solution blend together faster.
[0036] The rotating block 601 is threadedly connected to the spiral groove of the rotating shaft 403, and a brush is provided on the surface of the scraper 604. The scraper 604 contacts the inner wall of the tank body 2 to clean the inner wall of the tank body 2, and can effectively remove residual chemicals, microorganisms or other impurities. A clockwork spring is arranged between the fan-shaped plate 605 and the rotating shaft 403, and the solution can be automatically and quantitatively output by the arranged clockwork spring.
[0037] The stirring device also includes an output port 701, a rubber sealing cover 702 and a long rod 703. The output port 701 is fixedly installed at the bottom of the tank body 2, the rubber sealing cover 702 is slidably installed on the inner wall of the output port 701, and the long rod 703 is fixedly installed on the top of the rubber sealing cover 702, which can ensure the precise amount of solution in each use or application. Through precise control, the quality and consistency of the solution can be guaranteed, avoiding waste and unnecessary costs.
[0038] A No. 2 spring is arranged between the output port 701 and the rubber sealing cover 702, and the No. 2 spring drives the rubber sealing cover 702 to reset. The top of the long rod 703 is arranged in an arc shape.
[0039] When the present embodiment is working, the solution enters from the feed port 1 402 and the feed port 2 407 and flows to the top of the filter plate 1 501. The rotation of the rotating shaft 403 drives the circular shaft block 5011 to rotate. The rotation of the circular shaft block 5011 drives the activated carbon brush 502 to rotate. When the activated carbon brush 502 rotates, it can absorb impurities in the solution and remove impurities that have an adverse effect on the properties or components of the solution to ensure the purity and quality of the solution. When the circular shaft block 5011 rotates, it drives the shifting block 503 to rotate along the groove of the tank body 2. When the shifting block 503 touches the arc block 504, the arc block 504 causes the shifting block 503 to drop. The drop of the shifting block 503 drives the filter plate 1 501 to drop. The drop of the filter plate 1 501 will contact the vibration button 506 and generate vibration. The vibration can help loosen and fall off the solid particles or other impurities attached to the filter plate 1 501, thereby preventing them from being blocked or accumulated in the mesh, thereby affecting the filtering efficiency of the filter plate 1 501. The filtered solution will flow to the top of the second filter plate 507, and the rotation of the rotating shaft 403 drives the rotating block 601 to rotate, and the rotation of the rotating block 601 drives the stirring rod 602 to rotate, so as to stir the solution and make the solution blend together faster. The rotation of the rotating shaft 403 drives the connecting rod 603 to rotate, and the rotation of the connecting rod 603 drives the scraper 604 to rotate, so as to clean the inner wall of the tank body 2, and can effectively remove residual chemicals, microorganisms or other impurities, thereby avoiding contamination and cross infection between different solutions. After the rotating shaft 403 rotates for several circles, the fan-shaped plate 605 is rotated by the spring spring. The rotation of the fan-shaped plate 605 will contact the arc-shaped plate set on the top of the long rod 703, so that the long rod 703 moves downward. The long rod 703 moves downward and drives the rubber sealing cover 702 to move downward. At this time, the solution in the output port 701 will flow out from it, which plays a role in automatically and quantitatively outputting the liquid, which can ensure the accurate amount of the solution in each use or application. Through precise control, the quality and consistency of the solution can be guaranteed, and waste and unnecessary costs can be avoided.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electronic grade hydrofluoric acid ultra-clean purification device, comprising a base (1), characterized in that: A tank body (2) is fixedly mounted on the inner wall of the base (1), a top cover (3) is fixedly mounted on the inner wall of the tank body (2), a groove is provided on the inner wall of the tank body (2), a rotating motor is arranged on the top of the top cover (3), a feeding device is arranged on the top of the top cover (3), and a filtering device and a stirring device are arranged inside the tank body (2); The feeding device comprises an input block (401), a first feed port (402), a rotating shaft (403), a gear (404), a rack block (405), a baffle (406) and a second feed port (407); the input block (401) is fixedly mounted on the top of the top cover (3); the first feed port (402) is fixedly mounted on the top of the input block (401); the rotating shaft (403) is fixedly mounted on the output end of the rotating motor; the rotating shaft (403) rotates through the top cover (3); the gear (404) is fixedly mounted on the circumferential surface of the rotating shaft (403); the rack block (405) is slidably mounted on the surface of the gear (404); the baffle (406) is fixedly mounted on the right side of the rack block (405); the second feed port (407) is fixedly mounted on the top of the top cover (3); and the baffle (406) slidably penetrates the input block (401).
2. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 1, characterized in that: The gear (404) is meshed with the rack block (405), and a spiral groove is formed on the top of the rotating shaft (403).
3. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 2, characterized in that: The filtering device comprises a filter plate 1 (501), a circular shaft block (5011), an activated carbon brush (502), a shifting block (503), an arc block (504), a fixing block (505), a vibration button (506) and a filter plate 2 (507), wherein the filter plate 1 (501) is slidably mounted on the inner wall of the tank body (2), the rotating shaft (403) rotates and penetrates the filter plate 1 (501), the circular shaft block (5011) is fixedly mounted on the circumferential surface of the rotating shaft (403), and the activated carbon brush (502) is fixedly mounted on the circumferential surface of the rotating shaft (403). ) is rotatably mounted on the surface of the circular shaft block (5011), the shift block (503) is fixedly mounted on the surface of the activated carbon brush (502), the arc block (504) is fixedly mounted in the groove of the tank body (2), the fixed block (505) is fixedly mounted on the inner wall of the tank body (2), the vibration button (506) is fixedly mounted on the top of the fixed block (505), the filter plate 2 (507) is fixedly mounted on the inner wall of the tank body (2), and the rotating shaft (403) rotatably penetrates the filter plate 2 (507).
4. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 3, characterized in that: The activated carbon brush (502) is in contact with the first filter plate (501), the side of the shifting block (503) close to the inner wall of the tank body (2) is arranged in an arc shape, a rubber block is arranged on the top of the vibration button (506), and a first spring is arranged between the first filter plate (501) and the tank body (2).
5. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 4, characterized in that: The stirring device comprises a rotating block (601), a stirring rod (602), a connecting rod (603), a scraper (604) and a fan-shaped plate (605); the rotating block (601) is slidably mounted on the circumferential surface of the rotating shaft (403); the stirring rod (602) is fixedly mounted on the right side of the rotating block (601); the connecting rod (603) is fixedly mounted on the circumferential surface of the rotating shaft (403); the scraper (604) is fixedly mounted on the right side of the connecting rod (603); and the fan-shaped plate (605) is rotatably mounted on the circumferential surface of the rotating shaft (403).
6. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 5, characterized in that: The rotating block (601) is threadedly connected to the spiral groove of the rotating shaft (403); a brush is provided on the surface of the scraper (604); the scraper (604) contacts the inner wall of the tank body (2); and a spring is provided between the fan-shaped plate (605) and the rotating shaft (403).
7. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 6, characterized in that: The stirring device further comprises an output port (701), a rubber sealing cover (702) and a long rod (703); the output port (701) is fixedly mounted on the bottom of the tank body (2); the rubber sealing cover (702) is slidably mounted on the inner wall of the output port (701); and the long rod (703) is fixedly mounted on the top of the rubber sealing cover (702).
8. An electronic grade hydrofluoric acid ultra-clean purification device according to claim 7, characterized in that: A No. 2 spring is provided between the output port (701) and the rubber sealing cover (702), and the top of the long rod (703) is arranged in an arc shape.