CN208505675U - Use the plastics synchronous acquisition separator that actively declines of unified screen frame - Google Patents
Use the plastics synchronous acquisition separator that actively declines of unified screen frame Download PDFInfo
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- CN208505675U CN208505675U CN201820220645.XU CN201820220645U CN208505675U CN 208505675 U CN208505675 U CN 208505675U CN 201820220645 U CN201820220645 U CN 201820220645U CN 208505675 U CN208505675 U CN 208505675U
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Abstract
The utility model discloses a kind of plastics synchronous acquisition separators that actively declines using unified screen frame.Including in one end insertion water sampling pipe, with " inverted U " pipe of sampling pipe connection, the flowmeter being connected to the multistage filter net device of " inverted U " pipe connection, with multistage filter net device and the water pump that is connect with flowmeter.The multistage filter net device is vertically arranged, and upper end connects " inverted U " pipe.It includes unified screen frame and filter membrane that the multistage filter net device, which includes at least two-stage strainer, every primary filter, and the screen frame further comprises vertical bucket wall and the screen support frame that vertical bucket wall upper end is arranged in；The filter membrane is placed on screen support frame；The pore size filter of filter membrane on the upper level screen support frame is greater than the pore size filter of the filter membrane on next stage screen support frame.
Description
Technical field
The utility model relates to a kind of environmental pollution monitoring equipment, in particular to micro- plastics are dirty in a kind of water of rivers,lakes and seas
The monitoring of dye samples separator.
Background technique
Micro- plastics (Microplastics) refer to that diameter is not more than the plastic particles of 5mm, it has also become international extensive concern
One of hot issue.2014, micro- plastic pollution was included in the whole world for the first time and urgently solved by first united nations environment conference (UNEP1)
One of ten overall situation problems certainly.2015, the micro- plastics in ocean were included in environment and ecological science research field second by UNEP2
Big science problem, and become the weight that global scientist pays close attention to jointly side by side with Global climate change, ozone depletion and Ocean acidification
Big Global Environmental Problems.
Micro- plastics in water body are mainly derived from the mankind and use causes micro- plastics to enter environment containing micro- plastic grain product
With bulk plastic garbage decomposition or be broken into molecule and enter environment.Wherein, the plastic microbead added in personal care articles
(Microbeads) be exactly the micro- plastics of water body one of environment direct sources.Some personal cleaning articles for example bath oil, facial cleanser,
Toothpaste and some cosmetics such as eye shadow, mascara in moisturiser personal care articles, artificially add in production process with poly- second
Plastic microbead based on alkene and polypropylene material.After individual washes one's face and rinses one's mouth, plastic microbead enters sewage plant by sewer in waste water.By
It is small in size in plastic microbead, density is light, quantity is more, be difficult to effectively remove these plastics with current sewage plant conventional treatment process micro-
Pearl, and most plastic microbeads can enter natural water, it is final to import ocean and exist for a long time, and then by food chain to light
Water and marine ecosystems even human health cause potential hazard.Bulk plastic rubbish can also generate largely in degradation process
Plastic particles, these plastic particles are entered in rivers,lakes and seas waters by rubbish, soil and surface water cycle approach, are caused micro-
Plastic pollution.
Due to said circumstances, it is necessary to we detect the content of micro- plastics in water at any time, be water body environmental protection and
It administers and detection data is provided.Since micro- plastic grain pollution detection starts to walk evening, also lack quasi- on detection device and detection method
True property and science.Detection device is also more original and falls behind, for example micro- plastic grain acquisition separation in water body is one
The problem of a worth improvement.
Micro- plastic sample acquisition is usually to be realized using a kind of simple mesh bag in water body at present, and this mesh bag needs certain
Aperture, be placed in water (flow) direction, for acquire enrichment water in micro- plastic grain, determined according to the amount of micro- plastic grain
The content of micro- plastics in water body.But this mesh bag is all the single mesh bag of constant aperture, as planktonic organism flutters acquisition means, only
Whole particle matters that partial size is greater than mesh bag aperture can be acquired, particle matter cannot be subjected to sizing screening, thus also cannot
Timely detect the content of micro- plastic grain of different-grain diameter in water outlet.Also it is unfavorable for micro-plastic pollution in water body degree carry out section
Learn evaluation.
In addition above-mentioned micro- plastic sample acquisition device is all passive type acquisition device, i.e., acquisition device is placed on water flow side
Upwards, it is flowed naturally by water body, micro- plastic grain in water is retained.It can not then be adopted if not flowing water body
Collection, or it directly is acquired separation after water intaking, not only operating process is complicated, but also accuracy is low.
In view of said circumstances, the utility model designer devise it is a can be with the micro- plastic sample of a variety of partial sizes of separated in synchronization
The active synchronous acquisition separator of particle.
Utility model content
The purpose of this utility model is to provide a kind of plastics synchronous acquisitions point that actively declines using unified screen frame
From device, water flow, acquisition while the micro- plastic grain for separating different-grain diameter can be actively manufactured not against water body flow, improved
Collection analysis detection efficiency.
The purpose of this utility model is achieved in that by the way that multistage filter net device is arranged, in conjunction with probe tube, flowmeter and
Water is drawn within multistage filter net device by water pump, using the filter screen for using different pore size filters between at different levels, passes through suction
Mode is trapped into micro- plastic grain classified filtering on the filter membrane of respective aperture, realizes the purpose of separated in synchronization.
The plastics synchronous acquisition separator that actively declines of screen frame is unified in the use of the utility model, including one end is inserted
Enter the sampling pipe in water, " inverted U " that is connected to sampling pipe pipe, multistage filter net device be connected to " inverted U " pipe, with multistage filter
The flowmeter of net device connection and the water pump being connected to flowmeter.The multistage filter net device is vertically arranged, and upper end connects " U
Type " pipe；The multistage filter net device includes at least two-stage filter net device, every level-one filter net device include unified screen frame and
Filter membrane, the screen frame further comprise vertical bucket wall and the screen support frame that vertical bucket wall upper end is arranged in；The mistake
Filter membrane is placed on screen support frame；The pore size filter of filter membrane on the upper level screen support frame is greater than next stage strainer
The pore size filter of filter membrane on support frame.
The plastics synchronous acquisition separator that actively declines of screen frame, the multistage filter are unified in use described above
Net device is that the above filter net device of two-stage is composed, and the pore size filter of the filter membrane on screen support frame successively subtracts from top to bottom
It is small.
Use described above is unified in the plastics synchronous acquisition separator that actively declines of screen frame, the vertical bucket
Interface arrangement, the lower end interface arrangement of the vertical bucket wall of upper level and the upper end of the vertical bucket wall of next stage is respectively set in wall upper and lower ends
The connection of interface arrangement combination sealing.
Use described above is unified in the plastics synchronous acquisition separator that actively declines of screen frame, the combination
Sealed connection is fixture block bayonet connection, internal and external threads connection, rotary bayonet connects or plug locking connects one of them, and
Sealing ring is set at the joint face of two-stage filter net device.
Use described above is unified in the plastics synchronous acquisition separator that actively declines of screen frame, the sampling pipe
It is vertically arranged, coarse filtration grid is arranged in the water inlet of sampling pipe, and on the inlet end of sampling pipe setting mass, sampling pipe
It is provided with scale mark, the depth of sampling pipe when record samples.
Use described above is unified in the plastics synchronous acquisition separator that actively declines of screen frame, can be described
Four-way valve is set between " inverted U " pipe and multistage filter net device, threeway is set between multistage filter net device and flowmeter, described four
Port valve is connected to bypass water pipe is arranged before threeway；First end connection " inverted U " pipe of the four-way valve, second end connection are multistage
Filter net device, third end connect exhaust-valve, and exhaust-valve is connected to atmosphere, and the 4th end connection bypass water pipe, four-way valve can be according to need
It selects to be connected to two ports therein.
Use described above is unified in the plastics synchronous acquisition separator that actively declines of screen frame, and the water pumps out
The mouth of a river is far from sampling pipe position
It since the utility model is provided with water pump, and then can manually realize water body flow, can not have in static waters
Carry out the mobile acquisition separation for achieving that the different micro- plastic samples of water depth in position.Multistage filter net device can will be in water body
Micro- plastic grain be trapped on corresponding strainer respectively, with realize synchronous acquisition separation purpose.Be arranged on sampling pipe "
It is U-shaped " pipe can be influenced to avoid the aqueous reflux in multistage filter net device sample acquisition accuracy.Scale on sampling pipe can be with
It is explicitly shown out sampling depth, samples the grid of nozzle for avoiding biggish object from entering this acquisition device.Mass is set
It is equipped with the verticality for being conducive to keep sampling pipe, reduces sampling error.
The filter membrane that frame upper end is set is combined using unified screen frame, as long as the filter membrane of selection different pore size
It can realize the acquisition purpose of the micro- plastics of different-grain diameter, and be easy assembly and disassembly, micro- plastic grain of acquisition is easy to receive
Collection.
The setting of four-way valve and bypass water pipe and threeway, can choose the channel of connection, the first selection: connection " U
Type " pipe and bypass water pipe, i.e. opening first port and the 4th port, can before sampling take out water sample unwanted in sampling pipe
Sky, the volume of the water of flowmeter statistics discharge, it is ensured that the water sample of acquisition is the necessary water sample sample of required depth；Second of choosing
Select: connection " inverted U " pipe and multistage filter net device, i.e. opening first port and second port, other port shutdowns are now in
Sample states；Third selection: multistage filter net device and exhaust-valve, i.e. opening second port and third port, Qi Taduan are connected to
Mouth is closed, and the water in multistage filter net device can be carried out to emptying operation, completes sample acquisition.
Detailed description of the invention
Fig. 1 is the active separation assembling structure schematic diagram of the utility model embodiment 1；
Fig. 2 is the multistage filter net device the schematic diagram of the section structure of the utility model embodiment 1；
Fig. 3 is the schematic diagram of the section structure of the utility model four-way valve.
As shown in the figure: 1 manages for " inverted U "；2 be bypass water pipe；3 be multistage filter net device；4 be threeway；5 be flowmeter；6
For sampling pipe；7 be coarse filtration grid；8 be mass；9 be four-way valve；10 be exhaust-valve；11 be water pump；12 be the water surface.
301 be four-way valve connecting tube；302 be four-way valve connecting tube lower interface device；303 be screen support frame；304 be system
One screen frame lower interface device；305 be the unified vertical bucket wall of screen frame；306 be unified screen frame upper interface arrangement；
307 be filter membrane；308 be threeway upper interface arrangement；309 be threeway.
901 be four-way valve first end；902 be four-way valve second end；903 be four-way valve third end；904 be four-way valve the 4th
End；905 be valve body.
Specific embodiment
The utility model is explained in detail in the following with reference to the drawings and specific embodiments, but the explanation is only limitted to this reality
With explaining in detail for new technique scheme, it is not used in the protection scope for limiting utility model.
Embodiment 1: being that the plastics synchronous acquisition point that actively declines of screen frame is unified in the use of the utility model such as Fig. 1
From apparatus structure schematic diagram.Micro- plastics that the embodiment is composed by the filter net device of setting water pump and three-level different-grain diameter
Sample separated in synchronization device, and then realize and actively generate water flow, realize micro- plastic sample separated in synchronization of different-grain diameter.
As shown in Figure 1, being mainly provided with sampling pipe 6, sampling pipe 6 is vertically arranged, and is extended in the device of the present embodiment
To the water surface 12 hereinafter, in order to draw water from underwater certain position.The upper end of sampling pipe 6 connects " inverted U " pipe 1, and " U is arranged
The purpose of type " pipe 1 is that the aqueous reflux into the U-tube 1 is not allowed to go back to influence sampling precision.The other end connection of " inverted U " is more
Grade filter net device 3, the other end of multistage filter net device 3 connect flowmeter 5, and flowmeter 5 connects water pump 11, wherein multistage strainer dress
3 are set to be vertically arranged.
As shown in Figure 1, water pump 11 can be various forms of water pumps, but it is the need to ensure that the water pump 11 is longer by being arranged
Water pipe far from sampling area, the water outlet of such water pump 11 can directly drain without will affect sampling area measurement essence
Degree.
Specifically when in use, sampling pipe 6 is inserted into water, mass 8 is set, effect is to keep sampling pipe 6 by gravity
It is vertical as far as possible, coarse filtration grid 7 is set in the water inlet of sampling pipe 6, is advisable with 5 millimeter apertures, is filtered to remove miscellaneous greater than 5 millimeters
Object.Scale is arranged in sampling pipe 6, and scale can indicate the depth of sampling location.
As shown in Figure 1, Figure 3, one four-way valve 9 with blow valve 10 of lower end connection of " inverted U " pipe 1, four-way valve 9
First end 901 is connect with " inverted U " pipe 1, and second end 902 is connected to multistage filter net device 3, and third end 903 and exhaust-valve 10 connect
It connects, exhaust-valve 10 is communicated with the atmosphere, and the 4th end 904 is connect with bypass water pipe 2, and above-mentioned connection type can according to need group
Close the port of selection connection.
The lower end of multistage filter net device 3 is one and does not have valvular threeway 4, which is connected to multistage filter net device
3, one end is connected to flowmeter 5, and connection bypass water pipe 2 in third end is further communicated to four-way valve 9.The effect of flowmeter 5 is measurement
The flow of water is determined, with micro- plastic content of unit of account volume.
It can be such, as shown in Figure 1, Figure 3 connection type when being specifically chosen communications ports, only setting turning right angle
Channel valve body 905, so that it may realize the mode for being connected to two neighboring port.First selection is connection inverted U pipe 1 and bypass water pipe
2, i.e. first end 901 and the 4th end 904, are now in waste discharge water state；Second selection is connection inverted U pipe 1 and multistage filter
Net device 3, i.e. first end 901 and second end 902, are now in sample states；Third selection is to connect multistage filter net device 3
With exhaust-valve 10, i.e. connection second end 902 and third port 903, it is now in the multistage filter net device state of emptying.Above-mentioned conversion
It can be realized by rotary valve 905.
As shown in Fig. 2, multistage strainer separator 3 is to be formed using unified screen frame screen pack.Wherein every level-one
The screen frame of filter net device be unified structure, thus convenient for combination connection.Wherein unifying screen frame includes one perpendicular
Straight bucket wall 305, unified upper interface arrangement 306 is arranged in the upper end of vertical bucket wall 305, and unified lower interface device is arranged in lower end
304.Wherein upper interface arrangement 306 and lower interface device 304 are complementary combination attachment device, and typical case is simply inside and outside the most
The combination connecting mode of screw thread, upper interface arrangement 306 are internal screw thread, and lower interface device 304 is external screw thread.
As shown, the inner upper end position of vertical bucket wall 305 is arranged screen support frame 303, the screen support frame 303 with
The inner wall of vertical bucket wall is fixedly connected, for the hard mesh structure with permeable hole.
It can be used for placing filter membrane 307 in the upside of the screen support frame 303 of the hard mesh structure.Be in Fig. 2 by
Filter membrane 307 is arranged at the joint face of two-stage screen frame, just easily removes filter membrane 307 when dismantling screen frame
And it replaces.It is also this structure, as long as replacement filter membrane 307 realizes the filtering function of different-grain diameter, because without system
Make a large amount of unified screen frame, the purpose of pore size filter can be realized by replacing filter membrane 307 on unified frame.Simultaneously
The upper end of vertical bucket wall 305 is arranged in screen support frame 303 in this structure, and filter membrane 307 is arranged in two-stage screen frame
Joint face at, filter membrane 307 is just directly exposed to outer when disassembled, is easy to collect.
As shown in Fig. 2, multistage filter net device 3 includes level Four filter membrane, level Four filter membrane only needs setting, and there are three unified
Screen frame.Four-way valve connecting tube 301 is set in the screen frame upper end of the top, in the four-way valve connecting tube 301
End connection four-way valve 9, lower end connect the most upper level screen frame of multistage strainer, and connection structure is in the four-way valve connecting tube
301 lower end setting and the lower end interface arrangement 302 of screen frame lower end structure always.The setting of the lowermost screen frame lower end
Threeway 309,309 lower end of threeway are connect with threeway, and unified interface identical with screen frame upper end interface arrangement is arranged in upper end
Device 308, in order to combine connection with screen frame.The upper end of the threeway 309 wherein can also social screen support frame,
Filter membrane is set on the support frame, and then realizes three-level frame level Four filter membrane structure.
In such a configuration, the diameter slightly larger than vertical bucket wall 305 internal diameter of filter membrane 307 being arranged, in two-stage
Between when connecting, filter membrane 307 can be directly pressed between two-stage joint face, be conducive to seal and fix.
As shown in Fig. 2, the attachment device between above-mentioned strainers at different levels is outside the upper end setting being arranged on vertical bucket wall
Screw thread, the setting internal screw thread of vertical bucket wall lower end are not marked with label in figure.It just will be upper and lower when external screw thread is connect with internal screw thread
Two-stage filter net device is combined.It is tightly connected to realize, needs to be arranged at the joint face between the vertical bucket wall of two-stage
Sealing ring (it is not drawn in figure, but it will be understood by those skilled in the art that).Why helicitic texture is set, is in order in the multistage
The unified screen frame that can be optionally combined on filter net device realizes the increase of series or the selection of aperture of filter screen.
The pore size filter of level Four filter membrane 307 is different in above-mentioned whole multistage filter net device 3, specifically root when setting
It is selected according to the particle size range of micro- plastic grain to be separated.The aperture of filter screen of first order filter membrane is maximum, the filter of the fourth stage
Screen distance is minimum, and the second level, the aperture of filter screen of third quarter grade are positioned there between.It thus can be by micro- plastic grain of mixing
Separated in synchronization comes out.
As shown in Figure 1, the upper and lower ends of the multistage filter net device 3 of the present embodiment pass through pipeline and four-way valve 9 and three respectively
Logical 4 are tightly connected.
Water pump is opened, waste discharge water state, connection inverted U pipe 1 and bypass water pipe 2 are selected, it at this time can will be stagnant in sampling pipe 6
The water for the non-sampled depth stayed directly is excluded without multistage filter net device 3, guarantees the sampling depth of sample.After drained waste water, choosing
Sample states, the connection type of falling U pipe 1 and multistage filter net device 3 are selected, water will enter sampling pipe 6 from coarse filtration grid 7, using
After U-tube 1, enters multistage filter net device 3 by four-way valve 9, realize that the separated in synchronization of more partial sizes is adopted in multistage filter net device 3
Collection.After retention phase answers micro- plastic grain of partial size, water enters back into flowmeter 5, measures water flow.Then it is excluded from water pump 11, it is complete
At primary complete separation collection process.After completing to acquire separation process, emptying state is selected, connects exhaust-valve 10 and multistage
Filter net device 3, water pump continues to run, until water sample is drained in multistage filter net device 3, shuts down water pump.
The combination for the multistage screen frame that the utility model embodiment is realized by the way of being threadedly coupled.Certainly may be used also
To take other to connect combination.Such as revotating card O-shaped structure, the combination unit of rotation docking is set in interface；It can be with
It is the structure for engaging mating recesses engaging convex block；It is also possible to simply plug lock type.As long as completing fixed Combination connection in a word,
Just it falls within the protection scope of the present invention.
Above-described embodiment is a kind of relatively good structure of effect, if being not provided with four-way valve 9, threeway 4, bypass water pipe certainly
Also the goal of the invention that active synchronous acquisition separates micro- plastics may be implemented when 2, it also should be in the protection scope of the utility model
It is interior.Similarly, it is not provided with coarse filtration grid 7, mass 8 and sampling pipe scale on sampling pipe 4, can also realize goal of the invention,
Also it answers within the protection scope of the present utility model.
Claims (7)
1. a kind of plastics synchronous acquisition separator that actively declines using unified screen frame, it is characterised in that: including one end
Insertion water in sampling pipe, be connected to sampling pipe " inverted U " pipe, be connected to " inverted U " pipe multistage filter net device, and multistage
The flowmeter of filter net device connection and the water pump being connected to flowmeter；The multistage filter net device is vertically arranged, and upper end connects "
It is U-shaped " pipe；The multistage filter net device includes at least two-stage strainer, and every primary filter includes unified screen frame and filter membrane,
The screen frame further comprises vertical bucket wall and the screen support frame that vertical bucket wall upper end is arranged in；The filter membrane is placed
On screen support frame；The pore size filter of the filter membrane on upper level screen support frame in multistage filter net device is greater than next stage
The pore size filter of filter membrane on screen support frame.
2. the plastics synchronous acquisition separator that actively declines according to claim 1 using unified screen frame, special
Sign is: the multistage filter net device is that the above screen pack of two-stage forms, the filter hole of the filter membrane on screen support frame
Diameter is sequentially reduced from top to bottom.
3. the plastics synchronous acquisition separator that actively declines according to claim 1 or 2 using unified screen frame,
Be characterized in that: the vertical bucket wall upper and lower ends are respectively set interface arrangement, the lower end interface arrangement of the vertical bucket wall of upper level with
The upper end interface arrangement combination sealing of the vertical bucket wall of next stage connects.
4. the plastics synchronous acquisition separator that actively declines according to claim 3 using unified screen frame, special
Sign is: the combination sealing connection is fixture block bayonet connection, internal and external threads connection, rotary bayonet connection or plug locking
One of connection, and sealing ring is set at the joint face of two-stage screen frame.
5. the plastics synchronous acquisition separator that actively declines according to claim 3 using unified screen frame, special
Sign is: the sampling pipe is vertically arranged, and coarse filtration grid is arranged in the water inlet of sampling pipe, and sets in the inlet end of sampling pipe
Mass is set, scale mark is provided on sampling pipe.
6. the plastics synchronous acquisition separator that actively declines according to claim 3 using unified screen frame, special
Sign is: four-way valve is arranged between " inverted U " pipe and multistage filter net device, is arranged between multistage filter net device and flowmeter
Threeway, setting bypass water pipe between the four-way valve and threeway；First end connection " inverted U " pipe of the four-way valve, second end
It is connected to multistage filter net device, third end connection one exhaust-valve of setting, exhaust-valve is connected to atmosphere, the 4th end connection bypass water pipe；Institute
The first end connection bypass water pipe of threeway is stated, second end connects multistage filter net device, and third end connects flowmeter.
7. the plastics synchronous acquisition separator that actively declines according to claim 3 using unified screen frame, special
Sign is: water outlet is arranged in the water pump, and water outlet is far from sampling pipe position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820220645.XU CN208505675U (en) | 2018-02-07 | 2018-02-07 | Use the plastics synchronous acquisition separator that actively declines of unified screen frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820220645.XU CN208505675U (en) | 2018-02-07 | 2018-02-07 | Use the plastics synchronous acquisition separator that actively declines of unified screen frame |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487982A (en) * | 2019-07-30 | 2019-11-22 | 上海蓝魂环保科技有限公司 | A kind of water quality detecting device for ship tail gas desulfurizer |
| CN110542587A (en) * | 2019-09-16 | 2019-12-06 | 浙江海洋大学 | categorised collection system of water micro-plastic |
| CN111175199A (en) * | 2020-02-27 | 2020-05-19 | 山东省科学院海洋仪器仪表研究所 | Rapid automatic multifunctional detection equipment for seawater micro-plastic and use method thereof |
| WO2021018404A1 (en) * | 2019-08-01 | 2021-02-04 | Hach Lange Gmbh | Water sampling immersion probe |
| CN113310740A (en) * | 2021-04-12 | 2021-08-27 | 河海大学 | Micro-plastic in-situ collection, separation and digestion device and method |
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2018
- 2018-02-07 CN CN201820220645.XU patent/CN208505675U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487982A (en) * | 2019-07-30 | 2019-11-22 | 上海蓝魂环保科技有限公司 | A kind of water quality detecting device for ship tail gas desulfurizer |
| CN110487982B (en) * | 2019-07-30 | 2021-06-25 | 上海蓝魂环保科技有限公司 | Water quality detection device for ship tail gas desulfurization device |
| WO2021018404A1 (en) * | 2019-08-01 | 2021-02-04 | Hach Lange Gmbh | Water sampling immersion probe |
| CN113993607A (en) * | 2019-08-01 | 2022-01-28 | 哈希朗格有限公司 | Immersion probe for water sampling |
| CN110542587A (en) * | 2019-09-16 | 2019-12-06 | 浙江海洋大学 | categorised collection system of water micro-plastic |
| CN110542587B (en) * | 2019-09-16 | 2022-02-01 | 浙江海洋大学 | Categorised collection system of water micro-plastic |
| CN111175199A (en) * | 2020-02-27 | 2020-05-19 | 山东省科学院海洋仪器仪表研究所 | Rapid automatic multifunctional detection equipment for seawater micro-plastic and use method thereof |
| CN113310740A (en) * | 2021-04-12 | 2021-08-27 | 河海大学 | Micro-plastic in-situ collection, separation and digestion device and method |
| CN113310740B (en) * | 2021-04-12 | 2022-04-29 | 河海大学 | Micro-plastic in-situ collection, separation and digestion device and method |
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