CN107525694A - A kind of water suspension sampling apparatus and the method for sampling - Google Patents
A kind of water suspension sampling apparatus and the method for sampling Download PDFInfo
- Publication number
- CN107525694A CN107525694A CN201710978651.1A CN201710978651A CN107525694A CN 107525694 A CN107525694 A CN 107525694A CN 201710978651 A CN201710978651 A CN 201710978651A CN 107525694 A CN107525694 A CN 107525694A
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- filter
- filter bag
- suspension
- immersible pump
- seawater
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of water suspension sampling apparatus and the method for sampling, device to include：The immersible pump (10) that can be placed in seawater, the filter (20), the connecting line (30) for connecting the immersible pump (10) and the filter (20) that are securable on ship side；The filter (20) includes a filter bag (28) for separating seawater and suspension, and suspension is retained in the filter bag (28) during sampling, and the aperture of filter bag (28) is set according to requirement of experiment.The present invention can continue separation seawater and suspension, a large amount of suspension samples are collected in short time, realize Quick Acquisition suspension sample, the method for optimizing sampling, the efficiency of sampling is improved, saves man power and material, and because the aperture of filter bag is set according to requirement of experiment, therefore the present invention can unrestricted choice gather the minimum grain size of water suspension, considerably increase the sample rate of water suspension, while the representativeness of sample can be ensured.
Description
Technical field
The present invention relates to nuclear power field, more particularly to a kind of water suspension sampling apparatus and the method for sampling.
Background technology
The Kd factors are the key parameters in nuclear power plant's environmental impact assessment, to radioactivity in evaluation nuclear power plant liquid effluent
Nucleic dose of radiation to caused by the public is significant.When the Kd factors measure in the seawater, to determine experiment condition, need pair
The property of suspension sample measures, and property measurement needs more suspension sample (5g~10g dry samples).Existing method is adopted
When collecting suspension in seawater, seawater sample is gathered to laboratory using sampling bottle, in laboratory using Suction filtration device to seawater sample
Product are filtered, and collect the suspension on filter membrane as suspension sample.
Although existing method provides a kind of method for gathering water suspension, but also there is following weak point：
The suspension sample size that single filtration is collected is small (5mg~10mg), filtration time length (20min-30min)；Obtain properties of samples
Suspension sample (5g~10g) workload is very big needed for measurement；A large amount of seawater samples gather simultaneously after, fail the sea filtered in time
Suspension is easily deposited in sampling bottle in water sample, influences suspension collection；Suspension sample is attached on filter membrane, can when removing
Filter membrane can be damaged, causes sample to pollute.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of water suspension
Sampling apparatus and the method for sampling.
The technical solution adopted for the present invention to solve the technical problems is：A kind of water suspension sampling apparatus is constructed, is wrapped
Include：The immersible pump that can be placed in seawater, the filter being securable on ship side, for connecting the immersible pump and the filter
Connecting line；The filter includes a filter bag for separating seawater and suspension, and suspension retains in described during sampling
In filter bag, the aperture of filter bag is set according to requirement of experiment.
In water suspension sampling apparatus of the present invention, the filter includes cylinder, removable with the cylinder
Unload connection be used for cover the cylinder top cover, close to the cylinder upper end filter water inlet, under the cylinder
Filter delivery port, the filter bag at end.
In water suspension sampling apparatus of the present invention, in addition to be placed on the inner barrel filter bag support and
Need to sprawl the filter bag for the filter bag to be fixed on to the filter bag fastener of the filter bag cradle top opening, during sampling makes
It is bonded with filter bag rack inner wall.
In water suspension sampling apparatus of the present invention, the filter bag support is in latticed tubular plastics system
Part.
In water suspension sampling apparatus of the present invention, pressure gauge is fixed with the top cover, when the pressure
When pressure exceedes the pressure that the filter bag support can bear in table, the diving pumping source can be closed, takes out the filter bag simultaneously
Collect the suspension remained in the filter bag.
In water suspension sampling apparatus of the present invention, the connecting line uses with the filter water inlet
Flange or fastener are connected.
In water suspension sampling apparatus of the present invention, the immersible pump includes the pump housing, is pumped into the diving of seawater
Pump water inlet mouth, the immersible pump delivery port being connected with the connecting line, the pump housing can hang in marine designated depth by hoist cable.
In water suspension sampling apparatus of the present invention, the connecting line uses with the immersible pump delivery port
Flange or fastener are connected.
In water suspension sampling apparatus of the present invention, the immersible pump water inlet is the loudspeaker that bore gradually increases
Mouth, the mouth of pipe that the immersible pump delivery port is folded upward at.
The invention also discloses a kind of water suspension method of sampling based on described device, including：
Immersible pump is hung in into seawater designated depth using hoist cable, filter is fixed on ship side using hawser, and is filtered
Device remains perpendicular to the state on sea；
Open diving pumping source, seawater is successively from the immersible pump water inlet of immersible pump, the immersible pump delivery port of immersible pump, even
Take over road, the filter bag that the filter water inlet of filter enters in filter, then filtered out from the filter delivery port of filter, sea
Suspension in water is separated and is stored in filter bag with seawater by filter bag；
Pressure exceedes the filter bag support institute energy of filter bag described in filter inner support in pressure gauge above the filter top cover
During the pressure born, the diving pumping source is closed, the filter bag is taken out and collects the suspension remained in the filter bag.
Implement the water suspension sampling apparatus and the method for sampling of the present invention, have the advantages that：The present invention is latent
Water pump, filter come into operation simultaneously, can be delivered to using immersible pump continuous collecting seawater in filter, sustainable separation sea
Water and suspension, a large amount of suspension samples are collected in the short time, Quick Acquisition suspension sample is realized, optimizes the side of sampling
Method, the efficiency of sampling is improved, save man power and material, and compared with original method of sampling, due to the aperture root of filter bag
Set according to requirement of experiment, thus the present invention can unrestricted choice gather the minimum grain size of water suspension, considerably increase sea
The sample rate of aqueous suspension, while the representativeness of sample can be ensured.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings：
Fig. 1 is the structural representation of the preferred embodiment of the water suspension sampling apparatus of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the exemplary embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " fixing " another element, it can directly on another element or
There may also be element placed in the middle by person.When an element is considered as " connection " another element, it can be directly to
Another element may be simultaneously present centering elements.Term as used herein " on ", " vertical " and similar statement
For illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The total thinking of the present invention is to construct a kind of water suspension sampling apparatus, including：The diving that can be placed in seawater
Pump, the filter being securable on ship side, the connecting line for connecting the immersible pump and the filter；The filter
Including a filter bag for separating seawater and suspension, suspension is retained in the filter bag during sampling, the aperture of filter bag according to
Requirement of experiment is set.
Based on the device, the present invention can be delivered in filter using immersible pump continuous collecting seawater, sustainable separation
Seawater and suspension, a large amount of suspension samples are collected in the short time, Quick Acquisition suspension sample is realized, optimizes the side of sampling
Method, the efficiency of sampling is improved, save man power and material, and the aperture of filter bag is set according to requirement of experiment, therefore can
Unrestricted choice gathers the minimum grain size of water suspension, considerably increases the sample rate of water suspension, while can protect
Demonstrate,prove the representativeness of sample.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, the present invention is implemented
Technical characteristic in example and embodiment can be mutually combined.
With reference to figure 1, the sampling apparatus in preferred embodiment, including：The immersible pump 10 that can be placed in seawater, it is securable to ship
Filter 20 on the side of a ship, the connecting line 30 for connecting the immersible pump 10 and the filter 20.
Wherein, immersible pump 10 includes the pump housing 11, the immersible pump water inlet 12 for being pumped into seawater, is connected with the connecting line 30
Immersible pump delivery port 13, the top of the pump housing 11 has two hangers, and hoist cable 14 is worn after two hangers can will be whole
Individual immersible pump 10 hangs in marine designated depth, and specific depth is controlled by hoist cable 14.
Specifically, the immersible pump water inlet 12 is arranged at the bottom of the pump housing 11, it is the horn mouth that bore gradually increases.Institute
Immersible pump delivery port 13 is stated to be located at the bottom sidewall of the pump housing 11 and be specially close to the position of the bottom of the pump housing 11, immersible pump delivery port 13
The mouth of pipe being folded upward at, connecting line 30 are connected with the immersible pump delivery port 13 using flange or fastener.
Wherein, the filter 20 includes cylinder 23, top cover 22, filter water inlet 24, filter delivery port 25, filter bag
28th, pressure gauge 21, filter bag support 26, filter bag fastener 27.
Specifically, filter water inlet 24 is arranged on the close upper end position of cylinder 23 of the side wall of cylinder 23, the company
Adapter road 30 is connected with the filter water inlet 24 using flange or fastener.Filter delivery port 25 is located at the cylinder 23
Lower end, filter delivery port 25 can be integrally formed or be welded and fixed with the cylinder 23, and filter delivery port 25 is also
It can be the via for being directly opened in the bottom of cylinder 23.
Specifically, filter bag support 26 is placed on inside the cylinder 23, filter bag fastener 27 is into tubular, for by the filter bag
28 screens are in the top open part of filter bag support 26.The aperture of filter bag 28 is set according to requirement of experiment.Institute need to be sprawled during sampling
Stating filter bag 28 makes it be bonded with the inwall of filter bag support 26.
Preferably, the filter bag support 26 is in latticed tubular plastic part.
Specifically, top cover 22 is detachably connected with the cylinder 23, for covering the cylinder 23.Such as by top cover 22 with
Cylinder 23 is tightly connected by screw-fashion.Pressure gauge 21 is fixed with the top cover 22, when pressure surpasses in the pressure gauge 21
When crossing the pressure that the filter bag support 26 can bear, the power supply of immersible pump 10 can be closed, the filter bag 28 is taken out and collects
The suspension remained in the filter bag 28.
The operation principle of the present embodiment is as follows：
First, by filter bag fastener 27 by the screens of filter bag 28 in the top open part of filter bag support 26, sprawl the filter bag
28 make it be bonded with the inwall of filter bag support 26.Top cover 22 is connected with cylinder, screwed, completes the assembling of bag filter 20.Will
The one end of connecting line 30 is connected with immersible pump delivery port 13 using flange or fastener, and the other end uses with filter water inlet 24
Flange or fastener are connected.
Then, immersible pump 10 is slowly hung in seawater using hoist cable 14, is positioned over designated depth in seawater.Use hawser
Bag filter 20 is fixed on ship side, keeps delivery port 25 and cylinder 23 perpendicular to sea.Open diving pumping source, seawater
Enter sampling apparatus from immersible pump water inlet 12, by immersible pump delivery port 13, connecting line 30, water inlet 24 and filter bag 28,
Flowed out from delivery port 25, suspension is separated by filter bag 28 with seawater in seawater, is stored in filter bag 28.When pressure in pressure gauge 21
During pressure (plastic stent, the 0.5MPa) that hyperfiltration bag bracket 26 can bear, diving pumping source is closed, takes out filter bag 28, is received
The suspension remained in collection filter bag.
Based on same inventive concept, the invention also discloses a kind of water suspension method of sampling based on described device,
Method includes：
S100, using hoist cable 14 immersible pump 10 is hung in into seawater designated depth, filter 20 is fixed on ship using hawser
On the side of a ship, and filter 20 remains perpendicular to the state on sea；
S200, open the power supply of immersible pump 10, seawater successively from the immersible pump water inlet 12 of immersible pump 10, immersible pump 10 it is latent
The filter bag 28 that pump outlet 13, connecting line 30, the filter water inlet 24 of filter 20 enter in filter 20, then from mistake
The filter delivery port 25 of filter 20 is filtered out, and the suspension in seawater is separated with seawater and is stored in filter bag 28 by filter bag 28；
S300, when in the pressure gauge 21 of the top of 20 top cover of filter 22 pressure exceed filter bag 28 described in the inner support of filter 20
Filter bag support 26 can bear pressure when, close the power supply of immersible pump 10, take out the filter bag 28 and collect the filter
The suspension remained in bag 28.
In summary, implement the water suspension sampling apparatus and the method for sampling of the present invention, have the advantages that：
Immersible pump of the present invention, filter come into operation simultaneously, can be delivered in filter, can held using immersible pump continuous collecting seawater
Continuous separation seawater and suspension, collect a large amount of suspension samples, realize Quick Acquisition suspension sample, optimize and adopt in the short time
The method of sample, the efficiency of sampling is improved, save man power and material, and compared with original method of sampling, due to filter bag
Aperture is set according to requirement of experiment, thus the present invention can unrestricted choice gather the minimum grain size of water suspension, increase greatly
The sample rate of water suspension is added, while the representativeness of sample can be ensured.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
- A kind of 1. water suspension sampling apparatus, it is characterised in that including：The immersible pump (10) that can be placed in seawater, it can fix In the filter (20) on ship side, the connecting line (30) for connecting the immersible pump (10) and the filter (20)；Institute Stating filter (20) includes a filter bag (28) for separating seawater and suspension, and suspension retains in the filter bag during sampling (28) in, the aperture of filter bag (28) is set according to requirement of experiment.
- 2. water suspension sampling apparatus according to claim 1, it is characterised in that the filter (20) includes cylinder (23) top cover (22) for being used to cover the cylinder (23), the close cylinder, being detachably connected with the cylinder (23) (23) the filter water inlet (24) of upper end, filter delivery port (25), the filter bag positioned at the cylinder (23) lower end (28)。
- 3. water suspension sampling apparatus according to claim 2, it is characterised in that also include being placed on the cylinder (23) Internal filter bag support (26) and the filter bag for the filter bag (28) to be fixed on to filter bag support (26) top open part Fastener (27), need to sprawl the filter bag (28) during sampling makes it be bonded with filter bag support (26) inwall.
- 4. water suspension sampling apparatus according to claim 3, it is characterised in that the filter bag support (26) is in net The tubular plastic part of trellis.
- 5. water suspension sampling apparatus according to claim 2, it is characterised in that be fixed with pressure on the top cover (22) Power table (21), when pressure exceedes the pressure that the filter bag support (26) can bear in the pressure gauge (21), institute can be closed Immersible pump (10) power supply is stated, the filter bag (28) is taken out and collects the suspension of residual in the filter bag (28).
- 6. water suspension sampling apparatus according to claim 2, it is characterised in that the connecting line (30) with it is described Filter water inlet (24) is connected using flange or fastener.
- 7. water suspension sampling apparatus according to claim 1, it is characterised in that the immersible pump (10) includes the pump housing (11) the immersible pump delivery port (13) for, be pumped into the immersible pump water inlet (12) of seawater, being connected with the connecting line (30), it is described The pump housing (11) can hang in marine designated depth by hoist cable (14).
- 8. water suspension sampling apparatus according to claim 7, it is characterised in that the connecting line (30) with it is described Immersible pump delivery port (13) is connected using flange or fastener.
- 9. water suspension sampling apparatus according to claim 7, it is characterised in that the immersible pump water inlet (12) is The horn mouth that bore gradually increases, the mouth of pipe that the immersible pump delivery port (13) is folded upward at.
- A kind of 10. water suspension method of sampling based on any one of claim 1-9 described device, it is characterised in that including：Immersible pump (10) is hung in into seawater designated depth using hoist cable (14), filter (20) is fixed on ship side using hawser On, and filter (20) remains perpendicular to the state on sea；Open immersible pump (10) power supply, seawater successively from the immersible pump water inlet (12) of immersible pump (10), immersible pump (10) it is latent The filter that pump outlet (13), connecting line (30), the filter water inlet (24) of filter (20) enter in filter (20) Bag (28), then filtered out from the filter delivery port (25) of filter (20), the suspension in seawater passes through filter bag (28) and seawater Separate and be stored in filter bag (28)；Pressure exceedes filter bag described in filter (20) inner support in pressure gauge (21) above filter (20) top cover (22) (28) during the pressure that filter bag support (26) can bear, the immersible pump (10) power supply is closed, takes out the filter bag (28) simultaneously Collect the suspension of residual in the filter bag (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710978651.1A CN107525694A (en) | 2017-10-19 | 2017-10-19 | A kind of water suspension sampling apparatus and the method for sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710978651.1A CN107525694A (en) | 2017-10-19 | 2017-10-19 | A kind of water suspension sampling apparatus and the method for sampling |
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| CN107525694A true CN107525694A (en) | 2017-12-29 |
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| CN201710978651.1A Pending CN107525694A (en) | 2017-10-19 | 2017-10-19 | A kind of water suspension sampling apparatus and the method for sampling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458903A (en) * | 2018-04-13 | 2018-08-28 | 国家海洋局第海洋研究所 | There is scientific investigation ship of the boat process to superficial water continuous sampling system |
| CN108801748A (en) * | 2018-08-16 | 2018-11-13 | 国家海洋环境监测中心 | Water suspension acquisition filter integrated device |
| CN109030112A (en) * | 2018-07-03 | 2018-12-18 | 浙江省海洋水产研究所 | Construction time flotage monitoring system |
| CN114838975A (en) * | 2022-03-10 | 2022-08-02 | 浙江大学 | Deep sea fluid nozzle particle sampling device and sampling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108458903A (en) * | 2018-04-13 | 2018-08-28 | 国家海洋局第海洋研究所 | There is scientific investigation ship of the boat process to superficial water continuous sampling system |
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| CN114838975A (en) * | 2022-03-10 | 2022-08-02 | 浙江大学 | Deep sea fluid nozzle particle sampling device and sampling method thereof |
| CN114838975B (en) * | 2022-03-10 | 2023-03-21 | 浙江大学 | Deep sea fluid nozzle particle sampling device and sampling method thereof |
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