CN110108514A - The micro- plastics acquisition device of the water surface - Google Patents
The micro- plastics acquisition device of the water surface Download PDFInfo
- Publication number
- CN110108514A CN110108514A CN201910321839.8A CN201910321839A CN110108514A CN 110108514 A CN110108514 A CN 110108514A CN 201910321839 A CN201910321839 A CN 201910321839A CN 110108514 A CN110108514 A CN 110108514A
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- China
- Prior art keywords
- sample introduction
- introduction case
- trawlnet
- micro
- water surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of micro- plastics acquisition devices of water surface, including sample introduction case, trawlnet and keed, the two-way opening of sample introduction case, the front end of trawlnet encloses and connect with the outlet of sample introduction case, keed is removably connect with the rear end of trawlnet, and trawlnet is removably connect with sample introduction case, is equipped with current meter inside sample introduction case, the two sides of sample introduction case have been removably installed buoyancy adjustment wing respectively, and buoyancy adjustment wing can horizontally rotate to be mounted on sample introduction case with adjusting tilt angle.The present invention partial size specific aim can sample as needed, realize that draw resistance regulation facilitates sampling operation, realize that buoyancy adjustment is applicable in different type water body, guarantee the accuracy of sampling.
Description
Technical field
The invention belongs to the technical fields of the micro- plastics acquisition of water body, more particularly to a kind of micro- plastics acquisition device of water surface.
Background technique
Micro- plastics refer to the lesser plastic particles of diameter, and in recent years, the micro- plastic pollution in the waters of important rivers,lakes and seas is year by year
Aggravation, micro- plastic pollution have threaten our ecosystem, have become the significant Global ring that global scientist pays close attention to jointly
Border problem.
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.Micro- plastic grain that the mankind use is by that can enter life
Sewage is difficult to effectively remove since plastic microbead is small in size, density is light, quantity is more with the conventional treatment process of current sewage, because
This most plastic microbead can enter natural water.It is micro- that bulk plastic rubbish can also generate a large amount of plastics in degradation process
Grain, these plastic particles are entered in rivers,lakes and seas waters by rubbish, soil and surface water cycle approach, cause micro- plastics dirty
Dye, and then potential hazard is caused to fresh water and marine ecosystems even human health by food chain.
Due to said circumstances, need to study micro- plastics form, the concentration etc. in water body, to micro- plastic pollution into
Row research when, need to acquire micro- plastic sample in water body, and detect the content of micro- plastics, be water body ecological environmental protection and
Micro- plastic pollution, which is administered, provides detection data.The existing micro- relatively primitive backwardness of plastics acquisition device of water body, generally existing mesh
Fixed, draw resistance can not adjust, be applicable in the limited drawback of water body, influence the simplicity of acquisition operation and the accuracy of sampling.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of micro- plastics acquisition devices of water surface, being capable of partial size as needed
Specific aim sampling realizes that draw resistance regulation facilitates sampling operation, realizes that buoyancy adjustment is applicable in different type water body, guarantees sampling
Accuracy.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of micro- plastics acquisition device of the water surface, including
Sample introduction case, trawlnet and keed, the two-way opening of sample introduction case, the front end of the trawlnet and the outlet of sample introduction case enclose and connect
It connects, the keed is removably connect with the rear end of trawlnet, and the trawlnet is removably connect with sample introduction case, in the sample introduction case
Portion is equipped with current meter, and the two sides of the sample introduction case have been removably installed buoyancy adjustment wing respectively, and the buoyancy adjustment wing can
Horizontally rotate and is mounted on sample introduction case with adjusting tilt angle.
The rear end of the sample introduction case is circumferentially fixed with zip strip by rivet, and the trawlnet front end is circumferentially connected with phase
Matched zip strip, the trawlnet are removably mounted on sample introduction case by zip strip.
It is connected between the rear end and keed of the trawlnet by connecting cylinder, the trawlnet rear end and keed difference encapsulation are even
It is tightened in connect cylinder and respectively by band.
The buoyancy adjustment wing includes shield and buoyancy medium, and the buoyancy medium is mounted on protection detachable and interchangeablely
On cover.
The two sides of the sample introduction case are respectively equipped with mounting blocks, and the mounting blocks are equipped with mounting hole, the buoyancy adjustment wing
It is equipped with screw thread pivot pin, the screw thread pivot pin is fitted into mounting hole and is locked on screw thread pivot pin by locking nut encapsulation
Tightly.Beneficial effect
First, in the present invention, trawlnet is removably mounted on sample introduction case, the micro- plastic-like that can be acquired as needed
Product partial size replaces respective wire purpose trawlnet, realizes specific aim sampling.
Second, in the present invention, the horizontal tilt angle of buoyancy adjustment wing can according to draw rate, hydrologic(al) regime etc. into
Row is adjusted, and is reduced device head during draw and is conducive to the accuracy for improving sampling in the fluctuating range of the water surface, has simultaneously
Conducive to draw resistance is reduced, it can satisfy the mobile needs of narrow flow road draw, facilitate sampling operation.
Third, in the present invention, buoyancy adjustment wing can be right according to the difference of sampling water body type (such as fresh water, seawater)
The buoyancy size on device head is adjusted, and guarantees that sample introduction case is substantially in water body and sample introduction case upper end is slightly higher than the water surface, both
Micro- plastics of the water surface can adequately be collected, and can guarantee the accuracy to the water inlet volume detection of sample introduction case, thus
The micro- plastic sample that can be suitable for different type water body acquires, and advantageously ensures that the accuracy of sampling and testing result.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
A kind of micro- plastics acquisition device of water surface as shown in Figure 1, including sample introduction case 1, trawlnet 2, keed 3, current meter 4 and two
A buoyancy adjustment wing 5.
1 entirety of sample introduction case is made of stainless steel in cuboid tubular structure, two-way opening, sample introduction case 1.Sample introduction case
1 rear end is circumferentially fixed with zip strip by rivet, and the front end of trawlnet 2 is circumferentially connected with the zip strip to match, trawlnet 2
It is removably mounted on sample introduction case 1 by zip strip, forms the structure enclosed with the outlet of sample introduction case 1.Trawlnet 2 is detachable
Ground is mounted on sample introduction case 1, and the micro- plastic sample partial size replacement respective wire purpose trawlnet 2 that can be acquired as needed realizes needle
To property sampling.
Keed 3 is removably connect with the rear end of trawlnet 2, is connected between the rear end and keed 3 of trawlnet 2 by connecting cylinder 6,
2 rear end of trawlnet and keed 3 are distinguished encapsulation and are tightened on connecting cylinder 6, and respectively by band.The collected micro- modeling of the acquisition device
Material sample is finally collected into keed 3, by disassembling keed 3, can easily carry out subsequent sample presentation detection.
Two buoyancy adjustment wings 5 are separately mounted to the two sides of sample introduction case 1.Buoyancy adjustment wing 5 includes shield 5-1 and buoyancy
Medium 5-2, buoyancy medium 5-2 are mounted on detachable and interchangeablely on shield 5-1, pass through the buoyancy of replacement different weight or volume
Medium 5-2, the buoyancy size that can be generated to acquisition device head are adjusted.Current meter 4 is installed inside sample introduction case 1, is used
In detection device, water body enters the flow velocity of sample introduction case 1 during draw.Buoyancy adjustment wing 5 can be according to sampling water body type
The buoyancy size on device head is adjusted in the difference of (such as fresh water, seawater), guarantee sample introduction case 1 be substantially in water body and
1 upper end of sample introduction case is slightly higher than the water surface, can either adequately be collected to micro- plastics of the water surface, but can guarantee sample introduction case 1 into
Water cross-sectional sizes, to guarantee the accuracy to the water inlet volume detection of sample introduction case 1, so as to be suitable for different type water body
Micro- plastic sample acquisition, and advantageously ensure that the accuracy of sampling and testing result.
The two sides of sample introduction case 1 are respectively equipped with mounting blocks 7, and mounting blocks 7 are equipped with mounting hole, and buoyancy adjustment wing 5 is equipped with spiral shell
Line pivot pin 8, screw thread pivot pin 8 are fitted into mounting hole and are locked on screw thread pivot pin 8 by 9 encapsulation of locking nut.Buoyancy tune
The horizontal tilt angle of section wing 5 can be adjusted according to draw rate, hydrologic(al) regime etc., first by 9 pine of locking nut in operation
It opens, buoyancy adjustment wing 5 is turned to behind appropriate location and tightens locking nut 9.By the horizontal tilt angle for adjusting buoyancy adjustment wing 5
Degree can reduce device head during draw and be conducive to the accuracy for improving sampling in the fluctuating range of the water surface, have simultaneously
Conducive to draw resistance is reduced, it can satisfy the mobile needs of narrow flow road draw, facilitate sampling operation.
Claims (5)
1. a kind of micro- plastics acquisition device of the water surface, including sample introduction case (1), trawlnet (2) and keed (3), the sample introduction case (1) are two-way
The front end of opening, the trawlnet (2) encloses and connect with the outlet of sample introduction case (1), the keed (3) removably with trawlnet
(2) rear end connection, it is characterised in that: the trawlnet (2) removably connect with sample introduction case (1), and the sample introduction case (1) is internal
It is equipped with current meter (4), the two sides of the sample introduction case (1) have been removably installed buoyancy adjustment wing (5) respectively, the buoyancy tune
Section wing (5) can horizontally rotate to be mounted on sample introduction case (1) with adjusting tilt angle.
2. the micro- plastics acquisition device of a kind of water surface according to claim 1, it is characterised in that: after the sample introduction case (1)
End is circumferentially fixed with zip strip by rivet, and trawlnet (2) front end is circumferentially connected with the zip strip to match, described to drag
Net (2) is removably mounted on sample introduction case (1) by zip strip.
3. the micro- plastics acquisition device of a kind of water surface according to claim 1, it is characterised in that: the rear end of the trawlnet (2)
It is connect between keed (3) by connecting cylinder (6), trawlnet (2) rear end and keed (3) difference encapsulation are on connecting cylinder (6)
And it is tightened respectively by band.
4. the micro- plastics acquisition device of a kind of water surface according to claim 1, it is characterised in that: the buoyancy adjustment wing (5)
Including shield (5-1) and buoyancy medium (5-2), the buoyancy medium (5-2) is mounted on shield (5-1) detachable and interchangeablely
On.
5. the micro- plastics acquisition device of a kind of water surface according to claim 1 or 4, it is characterised in that: the sample introduction case (1)
Two sides are respectively equipped with mounting blocks (7), and the mounting blocks (7) are equipped with mounting hole, and the buoyancy adjustment wing (5) is equipped with thread spindle
It sells (8), the screw thread pivot pin (8) is fitted into mounting hole and is locked on screw thread pivot pin (8) by locking nut (9) encapsulation
Tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321839.8A CN110108514A (en) | 2019-04-22 | 2019-04-22 | The micro- plastics acquisition device of the water surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321839.8A CN110108514A (en) | 2019-04-22 | 2019-04-22 | The micro- plastics acquisition device of the water surface |
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| Publication Number | Publication Date |
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| CN110108514A true CN110108514A (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910321839.8A Pending CN110108514A (en) | 2019-04-22 | 2019-04-22 | The micro- plastics acquisition device of the water surface |
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| CN (1) | CN110108514A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551397A (en) * | 2020-04-17 | 2020-08-18 | 浙江省海洋水产研究所 | Micro-plastic sampling device for seawater proportional concentration |
| CN111579292A (en) * | 2020-04-17 | 2020-08-25 | 浙江省海洋水产研究所 | Device for collecting marine plastics |
| RU210299U1 (en) * | 2021-12-29 | 2022-04-06 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" | DEVICE FOR STATIONARY SAMPLING OF MICROPLASTICS IN WATER COURSES |
| CN115184085A (en) * | 2022-09-13 | 2022-10-14 | 暨南大学 | Micro-plastic sampling device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551397A (en) * | 2020-04-17 | 2020-08-18 | 浙江省海洋水产研究所 | Micro-plastic sampling device for seawater proportional concentration |
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| RU210299U1 (en) * | 2021-12-29 | 2022-04-06 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" | DEVICE FOR STATIONARY SAMPLING OF MICROPLASTICS IN WATER COURSES |
| CN115184085A (en) * | 2022-09-13 | 2022-10-14 | 暨南大学 | Micro-plastic sampling device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |
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| RJ01 | Rejection of invention patent application after publication |