CN210638989U - Soil nanometer particle separating and trapping device - Google Patents
Soil nanometer particle separating and trapping device Download PDFInfo
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- CN210638989U CN210638989U CN201921302016.2U CN201921302016U CN210638989U CN 210638989 U CN210638989 U CN 210638989U CN 201921302016 U CN201921302016 U CN 201921302016U CN 210638989 U CN210638989 U CN 210638989U
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Abstract
The utility model discloses a soil nanometer particle separating and trapping device, which comprises a vibrating screen host and a sample tray, wherein the top of the vibrating screen host is fixedly connected with at least two fixed screws, and the sample tray is arranged on the vibrating screen host through the fixed screws; a micron screen is arranged in the sample tray, a sealing cover with an air nozzle is arranged at the top of the sample tray, the air nozzle with the sealing cover with the air nozzle is communicated with one end of the vacuum air pump through a first silica gel tube, and a nanoparticle filter catcher is arranged on the first silica gel tube; the other end of the vacuum air pump is communicated with the sample tray through a second silicone tube; the problems that soil particles with large particle size are often trapped, samples are polluted and efficient separation of nano-particles cannot be realized are solved.
Description
Technical Field
The utility model relates to a nanometer geochemistry field, especially soil nanometer particle separation entrapment device.
Background
One of the tasks of nano-geochemistry is to research the distribution, combination characteristics, migration rules and the like of metal nano particles in the earth, and utilize a physicochemical method to enrich and extract nano particles and analyze the content of elements to reflect and detect deep metal deposits. Numerous studies have shown that nano-metallic particles in surface soils are closely related to deep metal minerals. Therefore, the research of nano geochemistry developed and migrated into the soil has theoretical research significance and practical application value for mineral exploration. How to effectively separate the nanometer particles from the earth surface soil medium and trap the nanometer particles on a carrier net for electron microscope observation is a precondition and technical difficulty for developing the research of nanometer geochemistry.
The technological development is repeated in the development process of the soil nanometer particle separating and trapping method, the earliest method is to separate soil particles smaller than 74 microns by using a 200-mesh sample sieve, disperse the soil in the air by using an ear-washing ball blowing mode and naturally settle the soil on an electron microscope observation carrier net. And later, soil particles smaller than 20 particles are separated by a micro-sieve and then are collected by a net under electron microscope observation. But large-particle substances larger than 1 micron cannot be adsorbed on the carrier net, and the experimental effect is greatly influenced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a soil nanometer particle separation entrapment device has solved the problem of often catching large-grain diameter soil particle, polluting the sample and can't realize the high-efficient separation of nanometer particle.
The technical scheme adopted by the utility model is that the soil nanometer particle separating and trapping device comprises a vibration sieve main machine and a sample tray, wherein the top of the vibration sieve main machine is fixedly connected with at least two fixing screw rods, and the sample tray is arranged on the vibration sieve main machine through the fixing screw rods; a micron screen is arranged in the sample tray, a sealing cover with an air nozzle is arranged at the top of the sample tray, the air nozzle with the sealing cover with the air nozzle is communicated with one end of the vacuum air pump through a first silica gel tube, and a nanoparticle filter catcher is arranged on the first silica gel tube; the other end of the vacuum air pump is communicated with the sample tray through a second silicone tube.
Preferably, the nanoparticle filter trap comprises a filter sleeve, a large double-layer silica gel ring, a microporous filter membrane, a sleeve thread sealing joint, a small double-layer silica gel ring, an electron microscope observation grid, a grid-carrying fixing device and a grid-carrying sleeve; the microporous filter membrane is fixed in the filtering sleeve through a large double-layer silica gel ring, and the filtering sleeve is connected to one side of the sleeve threaded sealing joint; the net-carrying fixing device is fixed in a net-carrying sleeve through a small double-layer silica gel ring, the net-carrying sleeve is connected to the other side of the sleeve threaded sealing joint, and the net is arranged in the net-carrying fixing device for electron microscope observation.
Preferably, the vibrating screen main machine is internally provided with a vibrating motor for generating high-frequency oscillation.
Preferably, the sample tray is located on top of the shaker main body for dispersing the particles in the soil into the air inside the sample tray by shaking.
Preferably, the micron screen is positioned between the sample tray and the sealing cover with the air tap, the aperture of the micron screen is 20 microns, the micron screen is used for preventing particles larger than 20 microns in the sample tray from upwards passing through the screen, and the diameter of the micron screen is slightly smaller than that of the sample tray and can be tightly buckled on the sample tray.
Preferably, the middle of the sealing cover with the air nozzle is provided with the air nozzle which is used for isolating the atmosphere and the micron screen and communicated with the microporous membrane filter through a first rubber pipe.
Preferably, one end of the fixing screw is fixed on the oscillating screen host, and the other end of the fixing screw is connected to the sealing cover with the air tap through a nut, so that the oscillating screen host, the sample tray, the micron screen and the sealing cover with the air tap are fixed into a whole through two symmetrical fixing screws after a sample is placed.
Preferably, one end of the vacuum air pump is communicated with the nanoparticle filter trap through a first silicone tube for generating negative pressure, so that the movement process from the sample tray to the micron screen to the sealing cover with the air tap to the nanoparticle filter trap of the soil particles carried by gas and gas is realized, the vacuum air pump is communicated with the sample tray through a second silicone tube, the gas is input into the sample tray, and the flowability of the gas and the soil particles carried by the gas in the sample tray is increased.
The utility model discloses soil nanometer particle separation entrapment device's beneficial effect as follows:
utilize shale shaker and vacuum pump to realize during the soil particle disperses the air in the middle of the tray, realize the particle that will disperse in the air through 20 meshes micron sieve and 1 micron millipore filter membrane and cut off in grades, make only the particle that is less than 1 micron can reach in the carrier net sleeve, the effect of vacuum pump is the circulation that realizes the soil particle that gas and gas carried in whole closed system, whole separation entrapment process is automatic to be accomplished in closed system, the pollution sample has both been avoided, can preserve operational environment's clean and tidy, degree of automation has still been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the soil nanoparticle separation and trapping device of the present invention.
FIG. 2 is a diagram of a nanoparticle filter trap of the soil nanoparticle separation and trapping device of the present invention.
Reference numerals: 1-a vibrating screen host machine, 2-a sample tray, 3-a micron screen, 4-a sealing cover with an air nozzle, 5-a fixed screw, 6-a first silica gel tube, 7-a nanoparticle filter catcher, 8-a vacuum air pump, 9-a second silica gel tube, 10-a large double-layer silica gel ring, 11-a microporous filter membrane, 12-a sleeve thread sealing joint, 13-a small double-layer silica gel ring, 14-a net-carrying fixing device, 15-an electron microscope observation net, 16-a net-carrying sleeve and 17-a filter sleeve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the soil nanoparticle separating and trapping device comprises a vibrating screen main machine 1 and a sample tray 2, wherein the top of the vibrating screen main machine 1 is fixedly connected with at least two fixed screws 5, and the sample tray 2 is installed on the vibrating screen main machine 1 through the fixed screws 5; a micron screen 3 is arranged in the sample tray 2, a sealing cover 4 with an air nozzle is arranged at the top of the sample tray 2, and the air nozzle of the sealing cover 4 with the air nozzle is communicated with one end of a vacuum air pump 8 through a first silicone tube 6; the first silicone tube 6 is provided with a nanoparticle filter catcher 7, and the other end of the vacuum air pump 8 is communicated with the sample tray through a second silicone tube 9. The shaker main body 1 and the vacuum air pump 8 realize the dispersion of soil particles into the air in the sample tray 2. The sample tray 2 is used for placing soil samples. Micron screen 3 is used to block particles larger than 20 microns in the gas from passing upward through the screen. The sealing cover 4 with the air tap is used for isolating the outside air, so that the whole process is finished in a closed space. The fixed screw 5 is used for keeping the system tightness in the high-speed oscillation process with the oscillating screen main machine 1 and the sample tray 2. The first silicone tube 6 is used for the airtight connection among the sealing cover with air tap 4, the nanometer particle separation catcher 7 and the vacuum air pump 8. As shown in fig. 2, the nanoparticle filter catcher 7 comprises a filter sleeve 17, a large double-layer silica gel ring 10, a microporous filter membrane 11, a sleeve threaded sealing joint 12, a small double-layer silica gel ring 13, a grid-carrying fixing device 14, an electron microscope observation grid 15 and a sleeve 16; the microporous filter membrane 11 is fixed in a filter sleeve 17 through a large double-layer silica gel ring 10, and the filter sleeve 17 is connected to one side of a sleeve thread sealing joint 12; the net-carrying fixing device 14 is fixed in a net-carrying sleeve 16 through a small double-layer silica gel ring 13, the net-carrying sleeve 16 is connected to the other side of the sleeve threaded sealing joint 12, and the net-carrying 15 for electron microscope observation is arranged in the net-carrying fixing device 14. The nanometer particle separating and trapping device 7 is internally provided with a microporous filter membrane 11 with the aperture of 1 micron, so that particles larger than 1 micron in the gas are adsorbed on the filter membrane, the particles larger than 1 micron in the gas are prevented from passing through, an electron microscope observation carrier net 15 is arranged in the nanometer particle separating and trapping device for adsorbing the particles smaller than 1 micron, the nanometer particle separating and trapping device 7 integrates two functions of nanometer particle separation and trapping, and the integration level of the device is improved. The vacuum air pump 8 is used for generating negative pressure to realize the movement process of the soil particles carried by the air and the air from the sample tray to the micron sieve, to the sealing cover with the air tap to the nanometer particle separating catcher 7. The second silicone tube 9 is used for circularly guiding the airflow generated by the vacuum air pump 8 into the sample tray 2, so that the longitudinal movement power of the sample in the sample tray 2 is enhanced, and the flux of soil particles from the sample tray 2 to the micron screen 3 is improved, thereby effectively completing the separation and trapping of soil nanoparticles.
When the device is used, a soil sample smaller than 74 micrometers is placed in a sample tray 2, the sample tray 2 is placed in a vibrating screen host 1, a micrometer screen 3 is placed on the sample tray 2, a sealing cover 4 with an air tap is buckled, and the vibrating screen host 1, the sample tray 2, the micrometer screen 3 and the sealing cover 4 with the air tap are fixed by a fixing screw 5. The first silicone tube 6 is connected with a nanoparticle filter catcher 7 and a vacuum air pump 8 in sequence. A1 micron microporous filter membrane is arranged in the filter sleeve 17 through a large double-layer silica gel ring 10, and an electron microscope observation carrier net 15 is arranged in the carrier net fixing device 14. The vacuum air pump 8 is connected with the sample tray 2 through a conduit, and air is input into the sample tray 2 to increase the fluidity of particles in the sample tray 2. And (3) opening the oscillating screen host 1 and the vacuum air pump 8, and carrying out the motion process from the gas and the soil particles carried by the gas from the sample tray 2 to the micron screen 3 to the sealing cover 4 with the air tap to the nanometer particle separation catcher 7, thereby realizing the purpose of separating and catching the 1 micron nanometer particles in the soil.
Claims (8)
1. The soil nanometer particle separating and trapping device is characterized by comprising a vibrating screen host (1) and a sample tray (2), wherein the top of the vibrating screen host (1) is fixedly connected with at least two fixing screws (5), and the sample tray (2) is arranged on the vibrating screen host (1) through the fixing screws (5); a micron screen (3) is arranged in the sample tray (2), a sealing cover (4) with an air nozzle is arranged at the top of the sample tray (2), the air nozzle of the sealing cover (4) with the air nozzle is communicated with one end of a vacuum air pump (8) through a first silicone tube (6), and a nanoparticle filter catcher (7) is arranged on the first silicone tube (6); the other end of the vacuum air pump (8) is communicated with the sample tray (2) through a second silicone tube (9).
2. The soil nanoparticle separation and trapping device according to claim 1, wherein the nanoparticle filter trap (7) comprises a filter sleeve (17), a large double-layer silica gel ring (10), a microporous filter membrane (11), a sleeve thread sealing joint (12), a small double-layer silica gel ring (13), a grid-carrying fixing device (14), an electron microscope observation grid (15) and a grid-carrying sleeve (16); the microporous filter membrane (11) is fixed in the filtering sleeve (17) through a large double-layer silica gel ring (10), and the microporous filter membrane (11) is connected to one side of the sleeve threaded sealing joint (12); the net carrying fixing device (14) is fixed in a net carrying sleeve (16) through a small double-layer silica gel ring (13), the net carrying sleeve (16) is connected to the other side of the sleeve threaded sealing joint (12), and the electron microscope observation net carrying (15) is arranged in the net carrying fixing device (14).
3. The soil nanoparticle separating and trapping device according to claim 1, wherein the vibrating screen main body (1) is internally provided with a vibrating motor for generating high-frequency vibration.
4. The soil nanoparticle separating and trapping device according to claim 1, wherein the sample tray (2) is located on top of the vibrating screen main body (1) and is used for dispersing the particles in the soil into the air inside the sample tray (2) through vibration.
5. The soil nanoparticle separating and trapping device according to claim 1, wherein the micron screen (3) is located between the sample tray (2) and the sealing cover (4) with the air tap, the micron screen (3) has a screen hole diameter of 20 microns, and is used for blocking particles larger than 20 microns in the sample tray from passing through the screen upwards, and the diameter of the micron screen is slightly smaller than that of the sample tray and can be tightly buckled on the sample tray (2).
6. The soil nanoparticle separating and trapping device according to claim 1, wherein an air nozzle is arranged in the middle of the sealing cover (4) with the air nozzle for isolating the atmosphere and the micron sieve (3), and the nanoparticle filtering and trapping device (7) is communicated with the first silicone tube (6).
7. The soil nanoparticle separating and trapping device according to claim 1, wherein one end of the fixing screw (5) is fixed on the vibrating screen main body (1), and the other end is connected to the sealing cover with air tap (4) through a nut, so as to fix the vibrating screen main body (1), the sample tray (2), the micron screen (3) and the sealing cover with air tap (4) into a whole through two symmetrical fixing screws after the sample is placed.
8. The soil nanoparticle separating and trapping device according to claim 1, wherein one end of the vacuum air pump (8) is connected to the nanoparticle filter trap (7) through a first silicone tube (6) for generating negative pressure to realize the movement process of the gas and gas-carried soil particles from the sample tray (2) to the micron sieve (3) to the sealed cover (4) with the air tap to the nanoparticle filter trap (7), and the vacuum air pump (8) is connected to the sample tray (2) through a second silicone tube (9) for inputting the gas into the sample tray (2) to increase the fluidity of the gas and gas-carried soil particles in the sample tray (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302016.2U CN210638989U (en) | 2019-08-13 | 2019-08-13 | Soil nanometer particle separating and trapping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302016.2U CN210638989U (en) | 2019-08-13 | 2019-08-13 | Soil nanometer particle separating and trapping device |
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| CN210638989U true CN210638989U (en) | 2020-05-29 |
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| CN201921302016.2U Active CN210638989U (en) | 2019-08-13 | 2019-08-13 | Soil nanometer particle separating and trapping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346199A (en) * | 2019-08-13 | 2019-10-18 | 中国地质科学院地球物理地球化学勘查研究所 | Soil nanoparticles separation and collection device |
| CN113813291A (en) * | 2021-11-10 | 2021-12-21 | 山东新时代药业有限公司 | Preparation method of animal medicinal material freeze-dried powder |
-
2019
- 2019-08-13 CN CN201921302016.2U patent/CN210638989U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346199A (en) * | 2019-08-13 | 2019-10-18 | 中国地质科学院地球物理地球化学勘查研究所 | Soil nanoparticles separation and collection device |
| CN110346199B (en) * | 2019-08-13 | 2023-12-19 | 中国地质科学院地球物理地球化学勘查研究所 | Soil nano particle separating and trapping device |
| CN113813291A (en) * | 2021-11-10 | 2021-12-21 | 山东新时代药业有限公司 | Preparation method of animal medicinal material freeze-dried powder |
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