CN209841459U - Shipborne micro-plastic layered sampling device - Google Patents
Shipborne micro-plastic layered sampling device Download PDFInfo
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- CN209841459U CN209841459U CN201920593563.4U CN201920593563U CN209841459U CN 209841459 U CN209841459 U CN 209841459U CN 201920593563 U CN201920593563 U CN 201920593563U CN 209841459 U CN209841459 U CN 209841459U
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Abstract
The utility model belongs to the technical field of the ocean environmental protection technique and specifically relates to a ship-borne micro plastic layering sampling device, including pumping device and sample thief, pumping device pass through the connecting line with the sample thief links to each other be equipped with gate valve, manometer, flowmeter and check valve on the connecting line in proper order, the sample thief includes a plurality of sampling units, and every sampling unit corresponds a sampling water layer, be equipped with the drainage unit on the sampling unit, just the drainage unit is equipped with interior coarse strainer, fine filtration portion and outer coarse filtration piece by interior coarse strainer, fine filtration portion and outer coarse filtration piece in proper order outside to, outer coarse filtration piece includes first coarse strainer and second coarse strainer, just fine filtration portion locates between interior coarse strainer and the first coarse strainer, the outer end is located to the second coarse strainer. The utility model discloses can realize the direct extraction of the little plastic sample of many water layers, compensate the blank of little plastic sampling technique to the sampling precision is high.
Description
Technical Field
The utility model belongs to the technical field of the ocean environmental protection technique and specifically relates to a ship-borne micro plastic layering sampling device.
Background
Microplastics are small particulate matter with particle size less than 5mm and are widely distributed in oceans, lakes and rivers. In the field of marine environmental protection, micro-plastics in sea water with different depths are required to be sampled and identified layer by layer. The water body micro-plastic sample collection method in the prior art is generally realized by collecting water samples of different water layers (the collection volume of each layer of water sample is more than 5 liters) firstly, and then performing suction filtration and extraction through a water pumping device and a filter membrane with small aperture (the aperture is 30 mu m-1 mm), and in aerial survey of large areas and multiple stations, the method consumes a large amount of manpower and material resources. If the direct extraction of the multi-water-layer micro-plastic sample can be realized, the sampling efficiency can be improved, and the sampling cost can be reduced, but no device or method can realize the functions at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ship-borne little plastics layering sampling device can realize the direct extraction of the little plastics sample of many water layers, has compensatied the blank of little plastics sampling technique to the sampling precision is high.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a ship-borne micro plastic layering sampling device, includes pumping device and sample thief, pumping device pass through connecting line with the sample thief links to each other be equipped with gate valve, manometer, flowmeter and check valve on the connecting line, the sample thief includes a plurality of sampling units, and every sampling unit corresponds a sampling water layer, be equipped with water filtering unit on the sampling unit, just water filtering unit is by interior coarse strainer, fine filtration portion and outer coarse filtration piece of being equipped with in proper order outside to, outer coarse filtration piece includes first coarse strainer and second coarse strainer, just fine filtration portion locates between interior coarse strainer and the first coarse strainer, the outer end is located to the second coarse strainer.
The sampler includes sample thief first section, sample thief end and a plurality of sampling unit, sampling unit one end is equipped with the external screw thread section, and the other end is equipped with the connecting nut of in-band screw thread, sample thief first section lower extreme is equipped with external screw thread section threaded connection on first section connecting nut and the adjacent sampling unit, sample thief end upper end is equipped with the connecting nut threaded connection on end external screw thread section and the adjacent sampling unit, the external screw thread section of arbitrary sampling unit in all the other sampling units and the connecting nut threaded connection of adjacent sampling unit, pumping device pass through connecting tube with the sample thief first section links to each other.
And the outer side of the external thread section of each sampling unit is provided with a connecting sealing ring, and the outer side of the external thread section of the tail section of the sampler is also provided with a connecting sealing ring.
The sampler is characterized in that a suspension chain is arranged on the head section of the sampler, and a traction hammer is arranged on the lower side of the tail section of the sampler.
The sampling unit is provided with a water filtering unit mounting opening, the water filtering unit is provided with a water filtering unit shell, the water filtering unit shell is mounted in the corresponding water filtering unit mounting opening, and the inner coarse filter screen, the fine filter part and the outer coarse filter part are sequentially arranged in the water filtering unit shell from inside to outside.
The inner coarse filter screen is fixedly arranged at the inner end of the water filtering unit shell, the fine filter part is firstly placed into the water filtering unit shell when being installed, and then the outer coarse filter element is inserted into the outer end opening of the water filtering unit shell to press the fine filter part.
The outer end of the water filtering unit shell is provided with a shell flange, and a water filtering sealing ring is arranged between the shell flange and the end face corresponding to the mounting port of the water filtering unit.
The connecting pipeline comprises a first pipeline and a second pipeline, one end of the first pipeline is connected with the water pumping device, the other end of the first pipeline is connected with the first section of the sampler through the second pipeline, and the first pipeline is provided with a gate valve, a pressure gauge, a flow meter and a check valve.
The water pumping device and the first pipeline are both arranged on a base, and the second pipeline is a quick-connection hose.
The inner coarse filter screen, the first coarse filter screen and the second coarse filter screen are corrosion-resistant filter screens with the aperture of 1-2 cm, and the fine filter part is a glass fiber filter membrane with the aperture smaller than 1 mm.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses be equipped with a plurality of sampling units and correspond different water layers, can realize the direct extraction of the little plastic sample of many water layers, compensatied the blank of little plastic sampling technique, do not have the technique at present and can directly and draw the little plastic sample of multilayer sea water simultaneously.
2. The utility model discloses the sampling precision is high, and filterable water yield is visual, controllable, and every sampling unit is equipped with a plurality of drainage units simultaneously, guarantees that every water layer has the parallel sample contrast of multiunit, has improved sampling precision and fault-tolerant rate.
3. The utility model discloses a vacuum pump has accelerated water filter speed at the inside negative pressure of making of sampling unit, has avoided the drainage that the jam of thin filter membrane arouses to slow down, and disposable simultaneously can be to the multilayer water sample, directly draws little plastics to remain the sample through thin filter membrane, need not gather and remain the water sample, save time, space and manpower.
4. The utility model discloses equipment fixing is safe simple with the dismantlement, and the sampling is accomplished the back, and behind the simple clearance of drainage unit and the thin filter part of change, just can carry out the sampling operation in succession, and operation and maintenance are convenient.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is an enlarged view at a in figure 1,
figure 3 is a cross-sectional view of the sampling unit of figure 1,
fig. 4 is a perspective view of the sampling unit in fig. 1.
The sampler comprises a base 1, a water pumping device 2, a gate valve 3, a pressure gauge 4, a first support 5, a flow meter 6, a check valve 7, a second support 8, a connecting pipeline 9, a first pipeline 901, a second pipeline 902, a suspension chain 10, a sampler head 11, a sampling unit 12, a sealing ring 1201, an external thread section 1202, a connecting screw cap 1203, a water filtering unit mounting port 1204, a water filtering unit 13, a water filtering unit shell 1301, an internal coarse filter screen 1302, a first coarse filter screen 1303, a fine filter part 1304, a water filtering sealing ring 1305, a second coarse filter screen 1306, an external coarse filter 1307, a shell flange 1308, an internal stop 1309, a sampler tail 14, a traction hammer 15 and a sampler 16.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model discloses a water pumping device 2 and sample thief 16, water pumping device 2 through connecting line 9 with sample thief 16 links to each other be equipped with gate valve 3, manometer 4, flowmeter 6 and check valve 7 on the connecting line 9 in proper order, sample thief 16 is including a plurality of sampling unit 12 that connect gradually, and every sampling unit 12 corresponds a sampling water layer, be equipped with water filtering unit 13 on the sampling unit 12, as shown in fig. 2, water filtering unit 13 includes interior coarse strainer 1302, fine filter portion 1304 and outer coarse filter 1307 that set gradually from inside to outside, outer coarse filter 1307 includes first coarse strainer 1303 and second coarse strainer 1306, and fine filter portion 1304 locates between interior coarse strainer 1302 and first coarse strainer 1303, second coarse strainer 1306 locates the outermost end, and the water body flows in by second coarse strainer 1306, and flows through in proper order first coarse strainer 1303, second coarse strainer, A fine filter part 1304 and an inner coarse filter 1302. In this embodiment, the water pumping device 2 is a vacuum water pump, the inner coarse filter 1302, the first coarse filter 1303 and the second coarse filter 1306 are corrosion-resistant filter screens with a pore size of 1-2 cm, and the fine filter part 1304 is a glass fiber filter membrane with a pore size smaller than 1 mm.
As shown in fig. 1, the sampler 16 includes a sampler head section 11, a sampler tail section 14 and a plurality of sampling units 12, as shown in fig. 3 to 4, one end of each sampling unit 12 is provided with an external thread section 1202, and the other end is provided with an internal thread connection nut 1203, the external thread section 1202 of each sampling unit 12 is inserted into the connection nut 1203 of an adjacent sampling unit 12 to realize the fixed connection of two sampling units 12, the lower end of the sampler head section 11 is provided with a head section connection nut to be in threaded connection with the external thread section 1202 of the adjacent sampling unit 12, and the upper end of the sampler tail section 14 is provided with a tail section external thread section to be in threaded connection with the connection nut 1203 of the adjacent sampling unit 12, thereby forming a complete sampler 16. In order to ensure that the external thread section 1202 is connected and sealed with the connecting nut 1203, a connecting sealing ring 1201 is sleeved outside the external thread section 1202 of each sampling unit 12, and a connecting sealing ring 1201 is also sleeved outside the external thread section of the end section 14 of the sampler. As shown in fig. 1, the water pumping device 2 is connected with the sampler head section 11 through a connecting pipeline 9, a suspension chain 10 is arranged on the sampler head section 11, the suspension chain 10 is suspended on a hook of a marine crane, a traction hammer 15 is arranged on the lower side of the sampler tail section 14, a sampler 16 is lowered to a specified depth in water and then is kept in a vertical state in water through the action of the traction hammer 15, and each sampling unit 12 is provided with a water filtering unit mounting opening 1204 for mounting a water filtering unit 13.
As shown in fig. 2, the water filtering unit 13 includes an inner coarse filter screen 1302, a fine filter part 1304, an outer coarse filter 1307 and a hollow water filtering unit casing 1301, a thread section is provided on the outer side of the water filtering unit casing 1301 and is in threaded connection with a water filtering unit mounting port 1204 on a corresponding sampling unit 12, the inner coarse filter screen 1302 is fixedly arranged at the inner end of the water filtering unit casing 1301, the outer coarse filter 1307 includes a first coarse filter screen 1303, a second coarse filter screen 1306 and a connecting frame body, the first coarse filter screen 1303 and the second coarse filter screen 1306 are connected by the connecting frame body, the connecting frame body is embedded into a hollow hole of the water filtering unit casing 1301, an inner stop 1309 is provided at the inner end of the water filtering unit casing 1301, when the water filtering unit is installed, the fine filter part 1304 is firstly placed into the water filtering unit casing 1301 and is limited by the inner stop 1309, then the outer coarse filter 1307 is inserted into the water filtering unit casing 1301 from the outer end opening of the water filtering unit, such that the fine filter portion 1304 is secured between the inner coarse filter 1302 and the first coarse filter 1303. A housing flange 1308 is arranged at the outer end of the water filtering unit housing 1301, a water filtering sealing ring 1305 is sleeved on the outer side of the water filtering unit housing 1301 for ensuring sealing, and the water filtering sealing ring 1305 is arranged between the housing flange 1308 and the end face of the water filtering unit mounting opening 1204 on the sampling unit 12. During sampling, the sampler 16 is put into water, the water pumping device 2 pumps the required water amount, then the sampler 16 is recovered to the deck, the outer coarse filter 1307 and the fine filter 1304 are sequentially taken out, then the inner coarse filter 1302 and the outer coarse filter 1307 are washed and cleaned, the detached fine filter 1304 is stored in a corresponding metal sample container, and the filter on the detached fine filter 1304 is the sample.
In this embodiment, four water filtering units 13 are uniformly distributed in the middle of the sampling unit 12 along the circumferential direction.
As shown in fig. 1, the water pumping device 2 is installed on a base 1, the base 1 can be placed on a ship body, the connecting pipeline 9 includes a first pipeline 901 and a second pipeline 902, a first support 5 and a second support 8 are arranged on the base 1 to support the first pipeline 901, a gate valve 3, a pressure gauge 4, a flow meter 6 and a check valve 7 are arranged on the first pipeline 901, the gate valve 3 and the pressure gauge 4 are arranged between the water pumping device 2 and the first support 5, the flow meter 6 and the check valve 7 are arranged between the first support 5 and the second support 8, a free end of the first pipeline 901 is connected with a first sampler section 11 of the sampler 16 through the second pipeline 902, and the second pipeline 902 is a quick-connection hose.
The utility model discloses a theory of operation does:
the utility model is convenient to assemble, firstly, the sampler 16 is assembled, the first section 11 of the sampler, a plurality of sampling units 12 and the last section 14 of the sampler are sequentially connected end to end, the number of the sampling units 12 is adjusted according to the requirement of a sampling water layer, so that each sampling unit 12 corresponds to one sampling water layer, then, the water filtering unit 13 is assembled, the fine filtering part 1304 is firstly put into the water filtering unit shell 1301, then, the outer coarse filtering part 1307 is inserted into the water filtering unit shell 1301 to press the fine filtering part 1304, the fine filtering part 1304 is fixed between the inner coarse filtering net 1302 and the first coarse filtering net 1303 of the outer coarse filtering part 1307, then, the water filtering unit shell 1301 is fixed on the water filtering unit installing port 1204 corresponding to each sampling unit 12 through threaded connection, the gate valve 3, the pressure gauge 4, the flow meter 6 and the check valve 7 are sequentially connected through pipelines to form a first pipeline 901, and the first pipeline 901 is fixed on two brackets of the base 1, one end of the first pipeline 901 is connected with the water pumping device 2, the other end of the first pipeline is connected with the first section 11 of the sampler through a second pipeline 902, and the second pipeline 902 is a quick-connection hose.
The utility model discloses during the use, hang suspension chain 10 on the first section 11 of sample thief on the couple of marine crane, then utilize marine crane to transfer sample thief 16 perpendicularly to appointed degree of depth, should be enough to satisfy the submerged depth requirement of sampling as second pipeline 902's quick-connect hose length to sample thief 16 keeps the vertical state in the water under the effect of traction hammer 15. The check valve 7, the gate valve 3 and the pumping device 2 are opened in sequence during sampling, the flowmeter 6 is observed, after the pumping device 2 pumps the required water amount, the pumping device 2, the gate valve 3 and the check valve 7 are closed in sequence, the sampler 16 is recycled to a deck through a marine crane, the outer coarse filter 1307 and the fine filter 1304 are taken out in sequence, the inner coarse filter 1302 and the outer coarse filter 1307 are cleaned by flushing, the glass fiber filter serving as the fine filter 1304 is stored in a metal sample container, a new glass fiber filter is replaced to serve as the fine filter 1304, the filter on the detached fine filter 1304 is a sample, the filter samples of the fine filters 1304 of different water layers are stored according to the steps and are placed in corresponding sample containers, and the processes are repeated to carry out the collection work of the micro-plastic sample at the next place.
The water filtration volume of each layer is total water filtration volume/the quantity of drainage unit 13, should consider the part simultaneously and persist in sample thief 16 for the actual water filtration volume will be higher than the numerical value of flowmeter 6, is in addition the utility model discloses need in the use according to sampling unit 12 quantity and buoyancy, the weight of hammer 15 is drawn in the adjustment, so that sample thief 16 keeps the vertical state in the water, guarantees the accuracy of the water intaking degree of depth.
Claims (10)
1. The utility model provides a ship-borne micro plastic layering sampling device which characterized in that: comprises a water pumping device (2) and a sampler (16), wherein the water pumping device (2) is connected with the sampler (16) through a connecting pipeline (9), a gate valve (3), a pressure gauge (4), a flowmeter (6) and a check valve (7) are arranged on the connecting pipeline (9), the sampler (16) comprises a plurality of sampling units (12), each sampling unit (12) corresponds to one sampling water layer, a water filtering unit (13) is arranged on each sampling unit (12), and the water filtering unit (13) is sequentially provided with an inner coarse filtering net (1302), a fine filtering part (1304) and an outer coarse filtering piece (1307) from inside to outside, the outer coarse filter (1307) comprises a first coarse filter screen (1303) and a second coarse filter screen (1306), and the fine filter part (1304) is arranged between the inner coarse filter screen (1302) and the first coarse filter screen (1303), and the second coarse filter screen (1306) is arranged at the outermost end.
2. The on-board micro plastic stratified sampling device of claim 1, wherein: sampler (16) are including sampler first section (11), sampler end (14) and a plurality of sampling unit (12), sampling unit (12) one end is equipped with external screw thread section (1202), and the other end is equipped with connecting nut (1203) of in-band screw thread, sampler first section (11) lower extreme is equipped with first section connecting nut and adjacent sampling unit (12) on external screw thread section (1202) threaded connection, sampler end (14) upper end is equipped with end external screw thread section and adjacent sampling unit (12) on connecting nut (1203) threaded connection, in the other sampling unit (12) any sampling unit (12) external screw thread section (1202) and adjacent sampling unit (12) connecting nut (1203) threaded connection, water pumping device (2) through connecting tube way (9) with sampler first section (11) link to each other.
3. The on-board micro plastic stratified sampling device of claim 2, wherein: the outer side of the external thread section (1202) of each sampling unit (12) is provided with a connecting sealing ring (1201), and the outer side of the external thread section of the tail section (14) of the sampler is also provided with the connecting sealing ring (1201).
4. The on-board micro plastic stratified sampling device of claim 2, wherein: the sampler is characterized in that a suspension chain (10) is arranged on the sampler head section (11), and a traction hammer (15) is arranged on the lower side of the sampler tail section (14).
5. The on-board micro plastic stratified sampling device of claim 1, wherein: be equipped with on sampling unit (12) drainage unit installing port (1204), drainage unit (13) are equipped with drainage unit casing (1301), just drainage unit casing (1301) are installed in the drainage unit installing port (1204) that corresponds, interior coarse strainer (1302), fine filter portion (1304) and outer coarse filter (1307) are located in proper order from inside to outside in drainage unit casing (1301).
6. The on-board micro plastic stratified sampling device of claim 5, wherein: the inner coarse filter screen (1302) is fixedly arranged at the inner end of the water filtering unit shell (1301), the fine filter part (1304) is firstly placed into the water filtering unit shell (1301) when being installed, and then the outer coarse filter element (1307) is inserted into the outer end opening of the water filtering unit shell (1301) to press the fine filter part (1304).
7. The on-board micro plastic stratified sampling device of claim 5, wherein: the water filtering unit is characterized in that a shell flange (1308) is arranged at the outer end of the water filtering unit shell (1301), and a water filtering sealing ring (1305) is arranged between the shell flange (1308) and the end face of the corresponding water filtering unit mounting opening (1204).
8. The on-board micro plastic stratified sampling device of claim 1, wherein: the connecting pipeline (9) comprises a first pipeline (901) and a second pipeline (902), one end of the first pipeline (901) is connected with the water pumping device (2), the other end of the first pipeline is connected with the first section (11) of the sampler through the second pipeline (902), and the first pipeline (901) is provided with a gate valve (3), a pressure gauge (4), a flow meter (6) and a check valve (7).
9. The on-board micro plastic stratified sampling device of claim 8, wherein: the water pumping device (2) and the first pipeline (901) are both arranged on one base (1), and the second pipeline (902) is a quick-connection hose.
10. The on-board micro plastic stratified sampling device of claim 1, wherein: the inner coarse filter screen (1302), the first coarse filter screen (1303) and the second coarse filter screen (1306) are corrosion-resistant filter screens with the aperture of 1-2 cm, and the fine filter part (1304) is a glass fiber filter membrane with the aperture smaller than 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593563.4U CN209841459U (en) | 2019-04-28 | 2019-04-28 | Shipborne micro-plastic layered sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593563.4U CN209841459U (en) | 2019-04-28 | 2019-04-28 | Shipborne micro-plastic layered sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN209841459U true CN209841459U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920593563.4U Active CN209841459U (en) | 2019-04-28 | 2019-04-28 | Shipborne micro-plastic layered sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946119A (en) * | 2019-04-28 | 2019-06-28 | 中国科学院烟台海岸带研究所 | The micro- plastics layered sampling device of boat-carrying |
| CN116296581A (en) * | 2023-05-22 | 2023-06-23 | 暨南大学 | Microplastic vertical sampling device for deep water body |
-
2019
- 2019-04-28 CN CN201920593563.4U patent/CN209841459U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946119A (en) * | 2019-04-28 | 2019-06-28 | 中国科学院烟台海岸带研究所 | The micro- plastics layered sampling device of boat-carrying |
| CN109946119B (en) * | 2019-04-28 | 2024-03-26 | 中国科学院烟台海岸带研究所 | Shipborne micro-plastic layered sampling device |
| CN116296581A (en) * | 2023-05-22 | 2023-06-23 | 暨南大学 | Microplastic vertical sampling device for deep water body |
| CN116296581B (en) * | 2023-05-22 | 2024-03-15 | 暨南大学 | Microplastic vertical sampling device for deep water body |
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