Filtering device for micro-plastic detection

Abstract

The utility model relates to the technical field of micro-plastic filtration, and discloses a filter device for micro-plastic detection, which comprises a sample tank, the bottom of the sample tank is communicated with an enrichment component, a partition plate is fixedly arranged in the sample tank, the top of the partition plate is inserted with a filter bin penetrating to the lower part of the partition plate, and the filter bin is communicated with the enrichment component. Filter holes penetrating into the filter bin are formed in the outer part of the filter bin. By arranging the tank cover, the sealing cylinder and the driving assembly, after a water body sample for micro-plastic detection is injected into the sample tank, the valve is closed, the driving assembly is opened to drive the tank cover and the sealing cylinder to move downwards, the pressure in the sample tank is increased, and the filtering efficiency of the filtering bin can be improved; after multiple times of filtering, the driving assembly drives the tank cover and the sealing cylinder to move upwards to be separated from the sample tank, and the blocked filter bin is taken out to be cleaned, so that reduction of the filtering efficiency caused by blockage of the filter bin can be avoided, the filtering efficiency of the water body sample can be greatly improved, and time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro plastic filtering technical field, concretely is a kind of filter device for micro plastic detection. BACKGROUND

[0002] Micro plastic refers to the plastic particle with particle size less than 5mm, which can be derived from the decomposition of large plastic, washing of synthetic fiber and microbeads in personal care products, etc., after these micro plastics enter water body, potential threat to aquatic organisms and ecosystem is caused, therefore, it is of great significance to establish accurate and reliable water micro plastic detection method for environmental protection.

[0003] When micro plastic is detected, the quantity of water sample collection is large, to some extent, the more water samples, the more accurate the detection result, and the turbid water sample needs to be filtered to remove larger impurities before micro plastic collection and collection, so a filter device for micro plastic detection is proposed. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of prior art, and provides a filter device for micro plastic detection, which can quickly filter water sample for micro plastic detection and save time.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model discloses a filter device for micro plastic detection, which comprises a sample tank, a enrichment assembly is communicated at the bottom of the sample tank, a partition is fixedly arranged in the inside of the sample tank, a filter bin penetrating to the lower part of the partition is inserted at the top of the partition, and filter holes penetrating to the inside of the filter bin are formed in the outside of the filter bin.

[0007] The top of the sample tank is provided with a tank cover, a sealing cylinder extending into the inside of the sample tank is fixedly arranged at the bottom of the tank cover, and the outer wall of the sealing cylinder is in contact with the inner wall of the sample tank.

[0008] The left and right sides of the sample tank are provided with driving assemblies for driving the tank cover and the sealing cylinder to move up and down.

[0009] The top of the tank cover is communicated with a water inlet pipe, and a valve is arranged on the water inlet pipe.

[0010] As a preferred technical scheme of the utility model, the driving assembly comprises a supporting plate fixedly arranged at the left and right sides of the sample tank, an electric push rod is fixedly arranged at the top of the supporting plate, and the output shaft of the electric push rod is fixedly connected with the tank cover.

[0011] As a preferred technical scheme of the utility model, the left and right sides of the sample jar are fixedly provided with support plates, and the front face of the sample jar is embedded with an observation window.

[0012] As a preferred technical scheme of the utility model, the enrichment assembly comprises a drain pipe, a water valve, a collecting pipe and a glass fiber filter membrane, wherein,

[0013] The drain pipe is communicated at the bottom of the sample jar.

[0014] The water valve is arranged on the drain pipe.

[0015] The collecting pipe is screw-connected outside the drain pipe.

[0016] The glass fiber filter membrane is arranged inside the collecting pipe.

[0017] As a preferred technical scheme of the utility model, the top of the water inlet pipe is communicated with a wide-mouth pipe.

[0018] As a preferred technical scheme of the utility model, the left and right sides of the filter bin are fixedly provided with clamping plates above the partition plates, and the top of the filter bin is fixedly provided with a pull handle.

[0019] Compared with the prior art, the utility model has the beneficial effects as follows:

[0020] The utility model discloses a filter bin for water body sample, which comprises a sample jar, a filter bin, a water inlet pipe, a valve, a drive assembly, a sealing cylinder and a cover.

[0021] After filtering several times, the drive assembly drives the cover and the sealing cylinder to move upwards and separate from the sample jar, and the filter bin that has been blocked is taken out for cleaning, so that the decrease of the filtering efficiency caused by the blockage of the filter bin can be avoided, and the filtering efficiency of the water body sample can be greatly improved, and time can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic view of the utility model;

[0023] Figure 2 It is the local structure schematic view of the utility model;

[0024] Figure 3 It is the front view of the utility model;

[0025] Figure 4 It is the front view of the embodiment of the utility model after the cover moves downwards;

[0026] In the figure: 1, sample tank; 2, enrichment assembly; 21, drain pipe; 22, water valve; 23, collection pipe; 24, glass fiber filter membrane; 3, partition; 4, filter bin; 41, clamping plate; 42, lifting handle; 5, tank cover; 6, sealing cylinder; 7, supporting plate; 8, electric push rod; 9, water inlet pipe; 10, valve; 11, wide-mouthed jar; 12, supporting plate; 13, observation window. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-4 A filter device for microplastic detection, comprising a sample tank 1, the bottom of the sample tank 1 is communicated with an enrichment assembly 2, the enrichment assembly 2 comprises a drain pipe 21, a water valve 22, a collection pipe 23 and a glass fiber filter membrane 24, the drain pipe 21 is communicated at the bottom of the sample tank 1, the water valve 22 is arranged on the drain pipe 21, the collection pipe 23 is threadedly connected outside the drain pipe 21, the glass fiber filter membrane 24 is arranged inside the collection pipe 23, the inside of the sample tank 1 is fixedly provided with a partition 3, the top of the partition 3 is inserted with a filter bin 4 penetrating below the partition 3, the outside of the filter bin 4 is provided with a filter hole penetrating into the inside of the filter bin 4, because the definition of microplastic is less than five millimeters, so the aperture of the filter hole is greater than or equal to five millimeters, the left and right sides of the filter bin 4 are fixedly provided with clamping plates 41 located above the partition 3, the top of the filter bin 4 is fixedly provided with a lifting handle 42, the design of the filter bin 4 should try to retain as many filter holes as possible to improve the filtering efficiency, and the design is convenient for taking the filter bin 4, and the filter bin 4 needs to be cleaned after filtering a certain amount of water sample each time and then used.

[0029] It should be noted that the glass fiber filter membrane 24 on the collection pipe 23 is used for intercepting microplastics and other impurities in the water sample, and the microplastics and other impurities in the collection pipe 23 can be collected and treated by removing the collection pipe 23.

[0030] In the embodiment, the top of the sample tank 1 is provided with a tank cover 5, the bottom of the tank cover 5 is fixedly provided with a sealing cylinder 6 extending into the inside of the sample tank 1, the outer wall of the sealing cylinder 6 is in contact with the inner wall of the sample tank 1, the left and right sides of the sample tank 1 are provided with driving assemblies driving the tank cover 5 and the sealing cylinder 6 to move up and down, the driving assemblies comprise supporting plates 7 fixedly arranged on the left and right sides of the sample tank 1, the top of each supporting plate 7 is fixedly provided with an electric push rod 8, and the output shaft of the electric push rod 8 is fixedly connected with the tank cover 5.

[0031] Especially explained, the top of the tank cover 5 is communicated with the water inlet pipe 9, the water inlet pipe 9 is equipped with the valve 10, the top of the water inlet pipe 9 is communicated with the wide mouth tube 11 that is convenient for water, the left and right sides of the sample tank 1 are fixedly provided with the support plate 12, and the front of the sample tank 1 is embedded with the observation window 13.

[0032] In conclusion, the filtering device for microplastic detection, by setting the tank cover 5, the sealing cylinder 6 and the driving assembly, after injecting the water body sample for microplastic detection into the sample tank 1, closing the valve 10, opening the driving assembly to drive the tank cover 5 and the sealing cylinder 6 to move downwards, the pressure in the sample tank 1 is increased, the filtering efficiency of the filter bin 4 can be improved, after filtering several times, the driving assembly drives the tank cover 5 and the sealing cylinder 6 to move upwards and separate from the sample tank 1, the filter bin 4 that has been blocked is taken out for cleaning, in this way, the filtering efficiency of the water body sample can be greatly improved, and time can be saved.

[0033] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or equipment including a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filtration device for microplastic detection, comprising a sample container (1), characterized in that: The bottom of the sample container (1) is connected to an enrichment component (2), and a partition (3) is fixedly installed inside the sample container (1). A filter chamber (4) that penetrates to the bottom of the partition (3) is inserted into the top of the partition (3). Filter holes that penetrate to the inside of the filter chamber (4) are opened on the outside of the filter chamber (4). The sample container (1) is provided with a lid (5) at the top, and a sealing cylinder (6) extending into the sample container (1) is fixedly provided at the bottom of the lid (5). The outer wall of the sealing cylinder (6) is in contact with the inner wall of the sample container (1). The sample container (1) is equipped with drive components on both the left and right sides to move the container cover (5) and the sealing cylinder (6) up and down. The top of the can lid (5) is connected to a water inlet pipe (9), and a valve (10) is provided on the water inlet pipe (9).

2. The filtration device for microplastic detection according to claim 1, characterized in that: The drive assembly includes a tray (7) fixedly installed on the left and right sides of the sample container (1), and an electric push rod (8) fixedly installed on the top of the tray (7). The output shaft of the electric push rod (8) is fixedly connected to the container cover (5).

3. A filtration device for microplastic detection according to claim 1, characterized in that: Support plates (12) are fixedly installed on both the left and right sides of the sample container (1), and an observation window (13) is embedded on the front of the sample container (1).

4. A filtration device for microplastic detection according to claim 1, characterized in that: The enrichment component (2) includes a drain pipe (21), a water valve (22), a collection pipe (23), and a glass fiber filter membrane (24), wherein, A drain pipe (21) is connected to the bottom of the sample container (1); A water valve (22) is installed on the drain pipe (21); The collection pipe (23) is threaded to the outside of the drain pipe (21); A glass fiber filter membrane (24) is disposed inside the collection tube (23).

5. A filtration device for microplastic detection according to claim 1, characterized in that: The top of the water inlet pipe (9) is connected to a wide-mouth pipe (11).

6. A filtration device for microplastic detection according to claim 1, characterized in that: The filter chamber (4) is fixedly provided with a card plate (41) located above the partition plate (3) on both the left and right sides, and a lifting handle (42) is fixedly provided on the top of the filter chamber (4).

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