CN219251827U - Microplastic detection pretreatment device - Google Patents
Microplastic detection pretreatment device Download PDFInfo
- Publication number
- CN219251827U CN219251827U CN202320352730.2U CN202320352730U CN219251827U CN 219251827 U CN219251827 U CN 219251827U CN 202320352730 U CN202320352730 U CN 202320352730U CN 219251827 U CN219251827 U CN 219251827U
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- filter membrane
- detachable metal
- metal filter
- pretreatment device
- detachable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model discloses a micro-plastic detection pretreatment device which comprises a label plug triangular flask, a filter and a cylindrical glass funnel, wherein a common filter membrane is arranged between the cylindrical glass funnel and the filter, the bottom of the cylindrical glass funnel and the top of the filter are clamped and fixed through an aluminum alloy clamp, a first detachable metal filter membrane and a second detachable metal filter membrane are sequentially clamped on the inner wall of the filter, and the first detachable metal filter membrane is positioned above the second detachable metal filter membrane. The utility model adopts the common filter membrane, the first detachable metal filter membrane and the second detachable metal filter membrane to form a multi-layer filter structure, and can carry out graded filtration, thereby maximizing the collection of microplastic, and simultaneously, the first detachable metal filter membrane and the second detachable metal filter membrane can be contracted according to the section of the filter, thereby being convenient for use, reducing the suction filtration collection error and ensuring more accurate detection results.
Description
Technical Field
The utility model relates to the technical field of suction filtration devices, in particular to a micro-plastic detection pretreatment device.
Background
Microplastic, which is a plastic chip having a particle size of less than 5mm, is of particular concern as an "emerging contaminant" and has received increasing attention in recent years. Microplastic sizes fall into 5 ranges: 0-20 μm, 20-50 μm, 50-100 μm, 100-500 μm, >500 μm. The classification of microplastic in the process of detecting microplastic is a technical problem.
The existing suction filtration device has incomplete suction filtration and collection of the micro plastic particles, which may cause loss of the micro plastic particles and finally affect the detection result.
Disclosure of Invention
The utility model aims to solve the defect that the suction filtration and collection of micro plastic particles are incomplete in the prior art, so that the detection result is influenced, and provides a micro plastic detection pretreatment device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the micro-plastic detection pretreatment device comprises a label plug triangular flask, a filter and a cylindrical glass funnel, wherein a common filter membrane is arranged between the cylindrical glass funnel and the filter, and the bottom of the cylindrical glass funnel and the top of the filter are clamped and fixed through an aluminum alloy clamp;
the filter inner wall is sequentially clamped with a first detachable metal filter membrane and a second detachable metal filter membrane, and the first detachable metal filter membrane is located above the second detachable metal filter membrane.
Preferably, the first detachable metal filter membrane and the second detachable metal filter membrane comprise a fixing piece, a supporting frame rotatably installed on the outer wall of the fixing piece and a metal filter membrane placed at the top of the supporting frame.
Preferably, the outer wall of the fixing piece is provided with clamping grooves distributed at equal intervals, and one end of the supporting frame and the inner wall of the clamping groove form running fit and interference fit.
Preferably, the pore diameters of the filter membrane pores of the common filter membrane, the first detachable metal filter membrane and the second detachable metal filter membrane are sequentially reduced.
The beneficial effects of the utility model are as follows:
in the utility model, a multi-layer filtering structure is formed by adopting the common filter membrane, the first detachable metal filter membrane and the second detachable metal filter membrane, and the micro-plastic can be collected in a grading manner, and meanwhile, the first detachable metal filter membrane and the second detachable metal filter membrane can be contracted according to the section of the filter, so that the filter is convenient to use, the suction filtration collection error is reduced, and the detection result is more accurate.
Drawings
FIG. 1 is a schematic diagram of a micro-plastic detection pretreatment device according to the present utility model;
fig. 2 is a schematic diagram of a detachable metal filter membrane of a micro-plastic detection pretreatment device according to the present utility model.
In the figure: the filter comprises a standard plug triangular flask 1, a filter 2, a cylindrical glass funnel 3, an aluminum alloy clip 4, a common filter membrane 5, a first detachable metal filter membrane 6, a second detachable metal filter membrane 7, a rubber tube 8, a fixing sheet 9, a supporting frame 10 and a metal filter membrane 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
1, referring to fig. 1-2, a micro-plastic detection pretreatment device comprises a label plug triangular flask 1, a filter 2 and a cylindrical glass funnel 3, wherein a common filter membrane 5 is arranged between the cylindrical glass funnel 3 and the filter 2, and the bottom of the cylindrical glass funnel 3 and the top of the filter 2 are clamped and fixed through an aluminum alloy clamp 4;
the inner wall of the filter 2 is sequentially clamped with a first detachable metal filter membrane 6 and a second detachable metal filter membrane 7, and the first detachable metal filter membrane 6 is positioned above the second detachable metal filter membrane 7.
The first detachable metal filter membrane 6 and the second detachable metal filter membrane 7 comprise a fixing piece 9, a supporting frame 10 rotatably installed on the outer wall of the fixing piece 9 and a metal filter membrane 11 placed on the top of the supporting frame 10.
The outer wall of the fixing piece 9 is provided with clamping grooves distributed equidistantly, and one end of the supporting frame 10 forms a running fit and an interference fit with the inner wall of the clamping groove
The pore diameters of the filter membrane pores of the common filter membrane 5, the first detachable metal filter membrane 6 and the second detachable metal filter membrane 7 are sequentially reduced.
Working principle: through interference erection bracing frame 10 on the stationary blade 9 outer wall, and make support frame 10 rotate on the stationary blade 9 outer wall, can make first detachable metal filter membrane 6, second detachable metal filter membrane 7 shrink according to filter 2 cross-section, ordinary filter membrane 5, first detachable metal filter membrane 6, second detachable metal filter membrane 7 form multilayer filtration simultaneously, can filter in grades to the maximize collects the microplastic.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The micro-plastic detection pretreatment device comprises a label plug triangular flask (1), a filter (2) and a cylindrical glass funnel (3), and is characterized in that a common filter membrane (5) is arranged between the cylindrical glass funnel (3) and the filter (2), and the bottom of the cylindrical glass funnel (3) and the top of the filter (2) are clamped and fixed through an aluminum alloy clamp (4);
the filter (2) inner wall is sequentially clamped with a first detachable metal filter membrane (6) and a second detachable metal filter membrane (7), and the first detachable metal filter membrane (6) is located above the second detachable metal filter membrane (7).
2. The micro-plastic detection pretreatment device according to claim 1, wherein the first detachable metal filter membrane (6) and the second detachable metal filter membrane (7) comprise a fixing piece (9), a supporting frame (10) rotatably installed on the outer wall of the fixing piece (9) and a metal filter membrane (11) placed on the top of the supporting frame (10).
3. The micro-plastic detection pretreatment device according to claim 2, wherein the outer wall of the fixing piece (9) is provided with clamping grooves distributed equidistantly, and one end of the supporting frame (10) forms a running fit and an interference fit with the inner wall of the clamping groove.
4. The micro-plastic detection pretreatment device according to claim 1, wherein the pore diameters of the filter membrane pores of the common filter membrane (5), the first detachable metal filter membrane (6) and the second detachable metal filter membrane (7) are sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320352730.2U CN219251827U (en) | 2023-03-01 | 2023-03-01 | Microplastic detection pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320352730.2U CN219251827U (en) | 2023-03-01 | 2023-03-01 | Microplastic detection pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219251827U true CN219251827U (en) | 2023-06-27 |
Family
ID=86860137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320352730.2U Active CN219251827U (en) | 2023-03-01 | 2023-03-01 | Microplastic detection pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219251827U (en) |
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2023
- 2023-03-01 CN CN202320352730.2U patent/CN219251827U/en active Active
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