Method for quickly collecting nano-powder
The nanopowder is processed through ultrasonic agglomeration and agglomeration module, and the internal void problem of agglomerates is solved, achieving efficient collection and density improvement of nanopowders.
Patent Information
- Application Number
- CN202510685071.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2025-08-15
AI Technical Summary
The existing agglomeration device is difficult to effectively deal with large agglomerated nano powders, resulting in large gaps between the particles inside the agglomerate, affecting the powder packing density and application effect.
A rapid collection method for nano powders is adopted, including ultrasonic agglomeration, electrostatic dust removal, cyclone separation and vibrating screen separation. Combined with the agglomeration module and the anti-attachment module, the nanoparticles collided to form micron-scale agglomerates through the ultrasonic generator, and the guide rails and sealing slides are used to disperse and crush the particles to ensure the accumulation density.
The bulk density of nano powders is improved, its effect in application is improved, and the existence of voids inside the agglomerates is avoided.
Smart Images
Figure CN120479606A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of nano powder collection, and in particular to a method for quickly collecting nano powder. Background Art
[0002] Nanopowders, also known as nanoparticles, generally refer to ultrafine particles ranging in size from 1 to 100 nm. Some also call them ultrafine particles. They are larger than atomic clusters but smaller than typical microparticles. Based on their size, assuming each atom is 1 angstrom, they contain between 1,000 and 1 billion atoms. They are smaller than a typical biological cell and comparable in size to viruses. Nanoparticles can take various shapes, including spheres, plates, rods, horns, and sponges. They can be made of metals, oxides, or other compounds.
[0003] When collecting nanopowders, they need to be aggregated into micron-sized agglomerates through an agglomeration device. However, the existing agglomeration device is not easy to process nanopowders with larger agglomerates. When the nanopowders are aggregated larger, there are large gaps between the particles inside the agglomerates, which reduces the bulk density of the collected powder and affects its effect in application. Summary of the Invention
[0004] The present invention discloses a method for quickly collecting nanopowders, aiming to solve the technical problem in the background art that when nanopowders agglomerate to a large extent, there are large gaps between particles in the agglomerates, which reduces the bulk density of the collected powders and affects their effectiveness in applications.
[0005] The present invention provides a method for rapidly collecting nanopowders, comprising the following steps: S1. A feeding tank containing nanopowder gas is passed through a delivery pipe equipped with a flow controller. The flow controller in the pipe adjusts the gas flow rate to deliver the gas to the ultrasonic agglomeration chamber. The gas enters the chamber and is collided by the agglomeration device to form micron-sized agglomerates. S2, using electrostatic dust removal to charge the agglomerated particles and drive the particles to the integrated board, and vibrating the integrated board to cause the particles to fall off into the integrated container; S3. The remaining unadsorbed particles and powders are sent to a cyclone separator, where centrifugal force is used to separate the micron-sized groups into a collection container. A vibrating screen is set in the collection chamber to further separate the nano-sized residues. S4. Finally, the integrated board should be cleaned regularly with pulsed airflow, and the powder falls into the storage tank protected by inert gas. The separated gas is circulated back to the system through the HEPA filter.
[0006] In a preferred embodiment, the agglomeration device includes a tooling base; A reunion cylinder, which is arranged inside the tooling base; A tooling cover plate is fixed at the opening of the agglomeration cylinder, and an ultrasonic generator body is symmetrically arranged inside the agglomeration cylinder; The agglomeration module is arranged inside the agglomeration cylinder, and the agglomeration module includes a circulation treatment cylinder, and the circulation treatment cylinder is provided with suction holes at equal distances on the side facing the inside of the agglomeration cylinder, and the interiors of the multiple suction holes are fixedly connected with suction pipes, and one end of the multiple suction pipes is fixedly connected with a guide suction frame. The interior of the agglomeration cylinder is provided with a sieve plate, and the guide suction frame is located above the sieve plate. Through the agglomeration module, the nano powders with larger agglomerations can be processed to avoid large gaps between the particles inside the agglomerates when the nano powders are larger in agglomeration. This reduces the bulk density of the collected powders, thereby improving the effect of the collected nano powders in applications.
[0007] In a preferred embodiment, the agglomeration module further comprises a circular guide rail, and the circular guide rail is fixedly connected to the interior of the agglomeration cylinder, the interior of the circular guide rail is slidably connected to a smooth rod, the side of the smooth rod facing the tooling cover is fixedly connected to a circular gear rod, the side of the circular guide rail facing the tooling cover is fixedly connected to a drive motor, the driving end of the drive motor is fixedly connected to a linkage gear, and the linkage gear is meshed with the circular gear rod.
[0008] In a preferred solution, a triangular mounting frame is fixedly connected to one side of the smooth rod at equal distances, and one side of the triangular mounting frame is fixedly connected to the outside of the circulation treatment cylinder. Two slide grooves 1 are provided on the outside of the circulation treatment cylinder, and two guide cylinders 2 are fixedly connected to the opposite sides of the two slide grooves 1. The outsides of the two guide cylinders 2 located on the same side are both slidably connected to the same lifting sealing slider 2, and the opposite sides of the two lifting sealing sliders 2 are fixedly connected to the same lifting mounting plate. Mounting openings are provided on one side of the lifting mounting plate at equal distances, and the interiors of the multiple mounting openings are fixedly connected to tie rods.
[0009] In a preferred solution, two return springs 2 are fixedly connected to both sides of the two lifting sealing sliders 2, and one side of the return spring 2 is fixedly connected to one side of the slide groove 1. The return spring 2 surrounds the outside of the guide cylinder 2, and two slide grooves 2 are opened on the outside of the circulation treatment cylinder. The opposite sides of the two slide grooves 2 are fixedly connected to two guide cylinders 1, and the outsides of the two guide cylinders 1 located on the same side are slidably connected to the same lifting sealing slider 1. The opposite sides of the two lifting sealing sliders 1 are fixedly connected to the same barrier grinding block, and the barrier grinding block is located inside the circulation treatment cylinder.
[0010] In a preferred solution, two return springs 1 are fixedly connected to both sides of the two lifting sealing sliders 1, and one side of the return spring 1 is fixedly connected to one side of the slide groove 2, and the return spring 1 surrounds the outside of the guide cylinder 1.
[0011] In a preferred embodiment, a partition is fixedly connected to the interior of the circulation treatment cylinder, and a suction port is opened on one side of the partition, a pump body is provided at the suction port end, the pump body is located inside the circulation treatment cylinder, one end of the circulation treatment cylinder is fixedly connected to a hollow mounting frame, the discharge end of the pump body is connected to the interior of the hollow mounting frame through a pipe, delivery holes are opened at equal distances on one side of the hollow mounting frame, the interiors of the multiple delivery holes are fixedly connected to delivery pipes, and one end of the multiple delivery pipes is fixedly connected to a nozzle.
[0012] In a preferred embodiment, an anti-adhesion module is provided on one side of the smooth rod, and the anti-adhesion module includes multiple mounting cylinders, the outsides of the multiple mounting cylinders are fixedly connected to tooling rods, one side of the multiple tooling rods is fixedly connected to extrusion springs at equal distances, and one side of the multiple extrusion springs located on the same side is fixedly connected to the same scraper.
[0013] In a preferred solution, a delivery port is opened on one side of the tooling cover, and a delivery pipe is fixedly connected to the inside of the delivery port, one end of the delivery pipe is movably connected to the inside of the hollow mounting frame, and a flow controller is provided on the outside of the delivery pipe.
[0014] In a preferred embodiment, telescopic springs are fixedly connected to one side of the tooling base at equal distances, and one side of each of the multiple telescopic springs is fixedly connected to a tooling mounting plate, one side of the tooling mounting plate is fixedly connected to the outside of the agglomeration cylinder, a discharge port is provided on one side of the bottom of the agglomeration cylinder, and a discharge pipe is fixedly connected to the inside of the discharge port.
[0015] From the above, it can be seen that the method for quickly collecting nanopowders provided by the present invention has the beneficial effect of processing nanopowders with larger agglomerates, avoiding the presence of large gaps between particles inside the agglomerates when the nanopowders are larger. This reduces the bulk density of the collected powders, thereby improving the effect of the collected nanopowders in applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the process flow of a method for rapidly collecting nanopowders proposed by the present invention; Figure 2 This is a schematic diagram of the main structure of a method for rapidly collecting nanopowders proposed by the present invention; Figure 3 A schematic side view of the structure of a method for rapidly collecting nanopowders proposed by the present invention; Figure 4 This is a schematic diagram of the agglomeration module structure of a method for rapidly collecting nanopowders proposed in the present invention; Figure 5 This is a schematic diagram of the structure of a circulating treatment cylinder for a method for rapidly collecting nanopowders proposed by the present invention; Figure 6This is a schematic diagram of the structure of the agglomeration module of the method for rapid collection of nanopowders proposed in the present invention; Figure 7 for Figure 6 A schematic diagram of the enlarged structure of part A; Figure 8 This is a schematic diagram of the anti-adhesion module structure of the nanopowder rapid collection method proposed by the present invention.
[0017] In the figure: 1. tooling base; 2. telescopic spring; 3. tooling mounting plate; 4. agglomeration cylinder; 5. tooling cover plate; 6. agglomeration module; 601. screening plate; 602. circular guide rail; 603. smooth rod; 604. circular gear rod; 605. driving motor; 606. linkage gear; 607. triangular mounting frame; 608. circulation treatment cylinder; 609. hollow mounting frame; 610. delivery pipe; 611. nozzle; 612. pump body; 613. partition; 614. lifting seal slider 1; 61 5. Guide cylinder 1; 616. Return spring 1; 617. Barrier grinding block; 618. Lifting sealing slider 2; 619. Suction pipe; 620. Guide suction frame; 621. Guide cylinder 2; 622. Return spring 2; 623. Lifting mounting plate; 624. Tie rod; 7. Feed pipe; 8. Flow controller; 9. Feeding pipe; 10. Anti-adhesion module; 1001. Mounting cylinder; 1002. Tooling rod; 1003. Extrusion spring; 1004. Scraper; 11. Ultrasonic generator body. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0019] The invention discloses a method for rapidly collecting nanopowders, which is mainly used in scenarios where large gaps exist between particles in the nanopowder aggregates, causing the bulk density of the collected powder to decrease, thus affecting its effectiveness in applications.
[0020] Reference Figure 1 A method for rapidly collecting nanopowders comprises the following steps: S1. A feeding tank containing nanopowder gas is passed through a delivery pipe equipped with a flow controller. The flow controller in the pipe adjusts the gas flow rate to deliver the gas to the ultrasonic agglomeration chamber. The gas enters the chamber and is collided by the agglomeration device to form micron-sized agglomerates. S2, using electrostatic dust removal to charge the agglomerated particles and drive the particles to the integrated board, and vibrating the integrated board to cause the particles to fall off into the integrated container; S3. The remaining unadsorbed particles and powders are sent to a cyclone separator, where centrifugal force is used to separate the micron-sized groups into a collection container. A vibrating screen is set in the collection chamber to further separate the nano-sized residues. S4. Finally, the integrated board should be cleaned regularly with pulsed airflow, and the powder falls into the storage tank protected by inert gas. The separated gas is circulated back to the system through the HEPA filter.
[0021] Reference Figure 2-Figure 8 , the agglomeration device includes a tooling base 1; A reunion cylinder 4 is provided inside the tooling base 1; The tooling cover plate 5 is fixed to the opening of the agglomeration cylinder 4. The ultrasonic generator body 11 is symmetrically arranged inside the agglomeration cylinder 4; The agglomeration module 6 is arranged inside the agglomeration cylinder 4, and the agglomeration module 6 includes a circulation treatment cylinder 608. The circulation treatment cylinder 608 is provided with suction holes at equal distances on the side facing the inside of the agglomeration cylinder 4, and the interiors of the multiple suction holes are fixedly connected with suction pipes 619, and one end of the multiple suction pipes 619 is fixedly connected with a guide suction frame 620. The interior of the agglomeration cylinder 4 is provided with a sieve plate 601, and the guide suction frame 620 is located above the sieve plate 601. Through the agglomeration module 6, the nano powders with larger agglomerations can be processed to avoid large gaps between the particles inside the agglomerates when the nano powders are larger in agglomeration. This reduces the packing density of the collected powders, thereby improving the effect of the collected nano powders in applications.
[0022] Reference Figure 2-Figure 7 The agglomeration module 6 also includes a circular guide rail 602, and the circular guide rail 602 is fixedly connected to the inside of the agglomeration cylinder 4. The inside of the circular guide rail 602 is slidably connected to a smooth rod 603, and the side of the smooth rod 603 facing the tooling cover 5 is fixedly connected to a circular gear rod 604. The side of the circular guide rail 602 facing the tooling cover 5 is fixedly connected to a drive motor 605, and the driving end of the drive motor 605 is fixedly connected to a linkage gear 606, which meshes with the circular gear rod 604.
[0023] Reference Figure 2-Figure 7A triangular mounting frame 607 is fixedly connected to one side of the smooth rod 603 at equal distances, and one side of the triangular mounting frame 607 is fixedly connected to the outside of the circulation treatment cylinder 608. Two slide grooves 1 are provided on the outside of the circulation treatment cylinder 608, and two guide cylinders 2 621 are fixedly connected to the opposite sides of the two slide grooves 1. The outsides of the two guide cylinders 2 621 located on the same side are slidably connected to the same lifting sealing slider 2 618, and the opposite sides of the two lifting sealing sliders 2 618 are fixedly connected to the same lifting mounting plate 623. Mounting openings are provided at equal distances on one side of the lifting mounting plate 623, and the interiors of the multiple mounting openings are fixedly connected to tie rods 624.
[0024] Reference Figure 2-Figure 7 Two return springs 2 622 are fixedly connected to both sides of the two lifting sealing sliders 2 618, and one side of the return spring 2 622 is fixedly connected to one side of the slide groove 1. The return spring 2 622 surrounds the outside of the guide cylinder 2 621. Two slide grooves 2 are opened on the outside of the circulation treatment cylinder 608. Two guide cylinders 1 615 are fixedly connected on the opposite sides of the two slide grooves 2. The outsides of the two guide cylinders 1 615 on the same side are both slidably connected with the same lifting sealing slider 1 614. The opposite sides of the two lifting sealing sliders 1 614 are fixedly connected with the same barrier grinding block 617. The barrier grinding block 617 is located inside the circulation treatment cylinder 608.
[0025] Reference Figure 2-Figure 7 Two return springs 616 are fixedly connected to both sides of the two lifting sealing sliders 614, and one side of the return spring 616 is fixedly connected to one side of the slide groove 2, and the return spring 616 surrounds the outside of the guide cylinder 615.
[0026] Reference Figure 2-Figure 7 A partition 613 is fixedly connected to the inside of the circulation treatment cylinder 608, and a suction port is opened on one side of the partition 613. A pump body 612 is provided at the suction port end. The pump body 612 is located inside the circulation treatment cylinder 608. One end of the circulation treatment cylinder 608 is fixedly connected to the hollow mounting frame 609. The discharge end of the pump body 612 is connected to the inside of the hollow mounting frame 609 through a pipe. Delivery holes are opened at equal distances on one side of the hollow mounting frame 609. The inside of multiple delivery holes are fixedly connected to delivery pipes 610, and one end of multiple delivery pipes 610 is fixedly connected to a nozzle 611.
[0027] In a specific application scenario, the gas containing nano powder enters the hollow installation frame 609 through the feed pipe 7, and is then sprayed into the agglomeration cylinder 4 through the nozzles 611 on the multiple delivery pipes 610. At this time, the ultrasonic generator body 11 is started, so that the nano powder collides and agglomerates above the sieve plate 601, and the nano powder that meets the specifications falls below the agglomeration cylinder 4. At this time, the nano powder with larger agglomeration is retained above the sieve plate 601. At this time, the pump body 612 is started, and the nano powder with larger agglomeration is sucked through the guide suction frame 620 on the suction pipe 619. The sucked nano powder enters the circulation treatment cylinder 608. At this time, the suction force of the pump body 612 drives the lifting seal slider 2 618 and the lifting seal slider 1 614 to vibrate, and the lifting seal slider 2 618 is moved. The pinning rod 624 breaks up the nano powders with larger agglomerates, and then the barrier grinding block 617 on the lifting and sealing slider 614 performs a second crushing on the broken nano powders, and then the nano powders are ejected again through the nozzle 611 and agglomerated into the required specifications for the second time. While agglomerating, the drive motor 605 is started, and the drive motor 605 drives the linkage gear 606 so that the circular gear rod 604 drives the smooth rod 603 to rotate inside the circular guide track 602, so that the nano powders are evenly recovered and sprayed. Through the agglomeration module 6, the nano powders with larger agglomerates can be processed to avoid large gaps between the particles inside the agglomerates when the nano powders are larger agglomerated. This reduces the bulk density of the collected powders, thereby improving the effect of the collected nano powders in applications.
[0028] Reference Figure 5 and Figure 8 An anti-adhesion module 10 is provided on one side of the smooth rod 603, and the anti-adhesion module 10 includes multiple mounting cylinders 1001, and the outsides of the multiple mounting cylinders 1001 are fixedly connected to tooling rods 1002, and one side of the multiple tooling rods 1002 is fixedly connected with extrusion springs 1003 at equal distances, and one side of the multiple extrusion springs 1003 located on the same side is fixedly connected to the same scraper 1004.
[0029] In a specific application scenario, when the smooth rod 603 rotates inside the circular guide track 602, the extrusion spring 1003 on the tooling rod 1002 uses its own elasticity to make the scraper 1004 offset against the inside of the agglomeration cylinder 4, so that the scraper 1004 scrapes off the powder attached to the inside of the agglomeration cylinder 4, thereby improving the powder collection effect.
[0030] Reference Figure 4 and Figure 6 A delivery port is provided on one side of the tooling cover 5, and a delivery pipe 7 is fixedly connected to the inside of the delivery port. One end of the delivery pipe 7 is movably connected to the inside of the hollow mounting frame 609, and a flow controller 8 is provided on the outside of the delivery pipe 7.
[0031] Reference Figure 2 and Figure 3 One side of the tooling base 1 is fixedly connected with telescopic springs 2 at equal distances, and one side of multiple telescopic springs 2 is fixedly connected with a tooling mounting plate 3, one side of the tooling mounting plate 3 is fixedly connected to the outside of the agglomeration cylinder 4, and a discharge port is opened on one side of the bottom of the agglomeration cylinder 4, and a discharge pipe 9 is fixedly connected to the inside of the discharge port.
[0032] Working principle: The gas containing nano powder enters the hollow installation frame 609 through the feeding pipe 7, and is then sprayed into the agglomeration cylinder 4 through the nozzles 611 on the multiple feeding pipes 610. At this time, the ultrasonic generator body 11 is started, so that the nano powders collide and agglomerate above the sieve plate 601, and the nano powders that meet the specifications fall into the bottom of the agglomeration cylinder 4. At this time, the nano powders with larger agglomerations are retained above the sieve plate 601. At this time, the pump body 612 is started, and the nano powders with larger agglomerations are sucked through the guide suction frame 620 on the suction pipe 619. The sucked nano powders enter the circulation treatment cylinder 608. At this time, the suction force of the pump body 612 drives the lifting seal slider 2 618 and the lifting seal slider 1 614 to vibrate, and the pinning rod 624 on the lifting seal slider 2 618 agglomerates The larger nano-powders are broken up, and then the broken-up nano-powders are crushed for the second time by the barrier grinding block 617 on the lifting sealing slider 614, and then the nano-powders are ejected again through the nozzle 611 and agglomerated into the required specifications. While agglomerating, the drive motor 605 is started, and the drive motor 605 drives the linkage gear 606 to make the circular gear rod 604 drive the smooth rod 603 to rotate inside the circular guide track 602, so that the nano-powders can be evenly recovered and sprayed. While the smooth rod 603 rotates inside the circular guide track 602, the extrusion spring 1003 on the tooling rod 1002 uses its own elasticity to make the scraper 1004 offset against the inside of the agglomeration cylinder 4, so that the scraper 1004 scrapes off the powder attached to the inside of the agglomeration cylinder 4, thereby improving the powder collection effect.
[0033] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. A method for rapidly collecting nanopowders, characterized in that: The following steps are involved: S1. A feeding tank containing nanopowder gas is passed through a delivery pipe equipped with a flow controller. The flow controller in the pipe adjusts the gas flow rate to deliver the gas to the ultrasonic agglomeration chamber. The gas enters the chamber and is collided by the agglomeration device to form micron-sized agglomerates. S2, using electrostatic dust removal to charge the agglomerated particles and drive the particles to the integrated board, and vibrating the integrated board to cause the particles to fall off into the integrated container; S3. The remaining unadsorbed particles and powders are sent to a cyclone separator, where centrifugal force is used to separate the micron-sized groups into a collection container. A vibrating screen is set in the collection chamber to further separate the nano-sized residues. S4. Finally, the integrated board should be cleaned regularly with pulsed airflow, and the powder falls into the storage tank protected by inert gas. The separated gas is circulated back to the system through the HEPA filter.
2. A nano powder collection agglomeration device, characterized in that: The agglomeration device comprises a tooling base (1); A reunion cylinder (4), wherein the reunion cylinder (4) is arranged inside the tooling base (1); A tooling cover plate (5), wherein the tooling cover plate (5) is fixed to the opening of the agglomeration cylinder (4), and an ultrasonic generator body (11) is symmetrically arranged inside the agglomeration cylinder (4); A reunion module (6) is provided inside the reunion cylinder (4), and the reunion module (6) includes a circulation treatment cylinder (608), and the circulation treatment cylinder (608) is provided with suction holes at equal distances on one side facing the inside of the reunion cylinder (4), and the insides of the multiple suction holes are fixedly connected with suction pipes (619), and one end of the multiple suction pipes (619) is fixedly connected with a guide suction frame (620), and the inside of the reunion cylinder (4) is provided with a sieve plate (601), and the guide suction frame (620) is located above the sieve plate (601).
3. The agglomeration device according to claim 2, characterized in that The agglomeration module (6) further comprises a circular guide rail (602), and the circular guide rail (602) is fixedly connected to the inside of the agglomeration cylinder (4), the inside of the circular guide rail (602) is slidably connected to a smooth rod (603), the side of the smooth rod (603) facing the tooling cover (5) is fixedly connected to a circular gear rod (604), the side of the circular guide rail (602) facing the tooling cover (5) is fixedly connected to a drive motor (605), the driving end of the drive motor (605) is fixedly connected to a linkage gear (606), and the linkage gear (606) is meshed with the circular gear rod (604).