CN107642064A - A kind of undisturbed sediment, overlying water synchronous acquisition and analogy method - Google Patents
A kind of undisturbed sediment, overlying water synchronous acquisition and analogy method Download PDFInfo
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- CN107642064A CN107642064A CN201710734277.0A CN201710734277A CN107642064A CN 107642064 A CN107642064 A CN 107642064A CN 201710734277 A CN201710734277 A CN 201710734277A CN 107642064 A CN107642064 A CN 107642064A
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- overlying water
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Abstract
The invention discloses a kind of undisturbed sediment, overlying water synchronous acquisition and analogy method, comprise the following steps：More lucite tubes for having rubber stopper using bottom closure gather sedimentary column in same place, and sedimentary column includes deposit and the overlying water above deposit；Using syringe and rubber tube overlying water, and unified preservation are extracted from the top of lucite tube；Lid will be covered at the top of more lucite tubes so that the top of lucite tube to be blocked；It is put into after rubber stopper is removed in the cell body of annular water tank；More lucite tubes are synchronously lifted up after removing lid, so that deposit is gradually discharged and paved to cell body from lucite bottom of the tube because of Action of Gravity Field；The unified overlying water preserved is transferred in cell body.Deposit can be realized with being gathered while overlying water, while destruction will not produced to the character of deposit, so as to the water environment state under the more accurate simulation river-flow state using annular water tank.
Description
Technical field
The present invention relates to deposit and overlying water to gather analogue technique field, it particularly relates to a kind of undisturbed sediment,
Overlying water synchronous acquisition and analogy method.
Background technology
Annular water tank is the ideal equipment for simulating fine particle sediment movement feature and the defeated transfer law of pollutant, and it is led
To be made up of annular groove, stressed collar and drive apparatus, be moved in the opposite direction with stressed collar by annular groove, eliminate laterally stream
Influence, unlimited uniform flow can be simulated.At present, its application is concentrated mainly on the Related Research Domain to sediment movement feature,
Research annular water tank takes the correlated characteristic of velocity flow profile in husky water movement and cell body, and probes into pollutant using annular water tank
The research of defeated transfer law is relatively fewer, is concentrated mainly on and simulates river water environmental using annular water tank, by changing flow velocity,
The external conditions such as the depth of water, probe into defeated transfer law of the pollutant between aqueous phase, deposit phase and interface.
In the research for probing into the defeated transfer law of pollutant using annular water tank, often need to gather the deposit in river
With overlying water and being transferred in annular water tank.But in existing research, deposit is gathered, takes back experiment at the scene using valve bag
Room is simultaneously uniformly layed in bottom of gullet, and overlying water is then gathered using water sampler, is transported laboratory back and is transferred to what is laid
On deposit.This process is although simple and convenient, but the character of deposit is produced in deposit collection and process of deployment
Very havoc, the sediment pollution situation of different depth are different；Meanwhile the collection for overlying water be unable to reach it is same with deposit
Step collection.It is this that tremendous influence can be caused to follow-up test to the acquisition method of deposit and overlying water.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of undisturbed sediment, overlying water synchronous acquisition
And analogy method, transport can be gathered with keep the stabilization of character in transfer process to greatest extent in deposit, overlying water, more
The defeated transfer law of pollutant under the conditions of accurate simulation uniform flow.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of undisturbed sediment, overlying water synchronous acquisition and analogy method, comprise the following steps：
The more lucite tubes that S1 has rubber stopper using bottom closure gather sedimentary column in same place, and the sedimentary column includes
Deposit and the overlying water above the deposit；
S2 extracts the overlying water, and unified preservation using syringe and rubber tube from the top of the lucite tube；
S3 will cover lid so that the top of the lucite tube to be blocked at the top of the more lucite tubes；
S4 is put into the cell body of annular water tank after the rubber stopper is removed；
The more lucite tubes are synchronously lifted up by S5 after removing the lid, so that the deposit is because of Action of Gravity Field
Gradually discharge and pave to cell body from the lucite bottom of the tube；
The unified overlying water preserved is transferred in the cell body by S6.
Further, in S2, using overlying water described in syringe and the slow pump drainage of rubber tube, to prevent overlying water from disturbing
The top layer of the deposit.
Further, in S5, removed again after first the more lucite tubes are bonded as one by adhesive tape
The lid.
Further, in S6, the unified overlying water preserved is slowly transferred to by syringe and rubber tube
In the cell body, it is ensured that wall of the overlying water along the cell body enters the cell body, prevents the disturbance to the deposit.
Beneficial effects of the present invention：Deposit can be realized with being gathered while overlying water, while transported, the mistake to pave
Destruction will not be produced to the character of deposit, annular water tank simulation river-flow state is utilized so as to more accurate in journey
Under water environment state, be advantageous to research of the sediment movement to the defeated transferization related fields of pollutant.
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 institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the front view of annular water tank described according to embodiments of the present invention；
Fig. 2 is the top view of annular water tank described according to embodiments of the present invention；
Fig. 3 is schematic diagram when lucite tube described according to embodiments of the present invention extracts overlying water；
Fig. 4 is the structural representation of lucite tube described according to embodiments of the present invention；
Fig. 5 is the structural representation of syringe described according to embodiments of the present invention.
In figure：
1st, lid；2nd, lucite tube；3rd, overlying water；4th, deposit；5th, rubber stopper；6th, rubber tube；7th, syringe；8th, cell body；
9th, stressed collar.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
As Figure 1-5, described a kind of undisturbed sediment, overlying water synchronous acquisition and simulation according to embodiments of the present invention
Method, comprise the following steps：
The more lucite tubes 2 that S1 has rubber stopper 5 using bottom closure gather sedimentary column, the sedimentary column bag in same place
Include deposit 4 and the overlying water 3 above the deposit 4；
S2 extracts the overlying water 3, and unified preservation using syringe 7 and rubber tube 6 from the top of the lucite tube 2；
The top of the more lucite tubes 2 is covered lid 1 so that the top of the lucite tube 2 to be blocked by S3；
S4 is put into the cell body 8 of annular water tank after the rubber stopper 5 is removed；
The more lucite tubes 2 are synchronously lifted up by S5 after removing the lid 1, so that the deposit 4 is because of gravity
Effect is gradually discharged and paved to cell body 8 from the bottom of lucite tube 2；
The unified overlying water 3 preserved is transferred in the cell body 8 by S6.
In one particular embodiment of the present invention, in S2, on described in 6 slow pump drainage of syringe 7 and rubber tube
Water 3 is covered, to prevent overlying water 3 from disturbing the top layer of the deposit 4.
In one particular embodiment of the present invention, in S5, the more lucite tubes 2 are first passed through into adhesive tape
The lid 1 is removed after being bonded as one again.
In one particular embodiment of the present invention, in S6, the unified overlying water 3 preserved is passed through into syringe 7
Slowly it is transferred in the cell body 8 with rubber tube 6, it is ensured that wall of the overlying water 3 along the cell body 8 enters the cell body
8, prevent the disturbance to the deposit 4.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical scheme is described in detail.
The present invention mainly comprises the following steps：Annular water tank, mainly simulate the unlimited uniform flow motion in river；It is organic
Glass tube 2, the collection for river deposit；Syringe 7 and rubber tube 6, overlying water 3 is shifted using siphon principle.
Annular water tank includes cell body 8 and stressed collar 9, is moved in a reverse direction by cell body 8 and stressed collar 9, to eliminate
The influence laterally flowed, unlimited uniform flow can be simulated.
When specifically used：River somewhere is chosen, being separated by 1m or so along river flow gathers 17 sedimentary columns（That is deposit post
Shape sample）, the ratio of overlying water 3 and deposit 4 in 17 sedimentary columns is essentially identical, to ensure each lucite tube 2 after transfer
The uniformity of interior deposit 4 and the interface of overlying water 3；Onsite application syringe 7 and rubber tube 6 utilize siphon principle by 17
Overlying water 3 in sedimentary column is transferred in same container, and is properly preserved, while covers the lid 1 at the top of lucite tube 2,
Transport laboratory back in the lump；After lucite tube 2 and overlying water 3 are transported into laboratory, successively by the rubber of the bottom of lucite tube 2
Plug 5 is put into the cell body 8 of annular water tank clockwise after removing（The width of cell body 8 is slightly larger than the diameter of lucite tube 2）In, have
Machine glass tube 2 should be evenly distributed in annular water tank, and the gap between adjacent two lucite tube is smaller, treat all organic
It is an entirety that glass tube 2, which is put into the outboard bonds of lucite tube 2 after the cell body 8 of annular water tank with adhesive tape, is removed
After lid 1 above lucite tube 2 and the slow Synchronous lifting of more people, the deposit 4 allowed in lucite tube 2 slowly pave
To cell body 8, to ensure that the feature of deposit 4 is undisturbed, the unified overlying water 3 preserved in scene is utilized into syringe 7 and rubber
6 slow original position of sebific duct is transferred in cell body 8, and so, the deposit 4 in river has been transferred to annular water tank with overlying water 3
In, subsequently simulated using annular water tank under the conditions of sediment movement to the defeated shifting conversion effet of pollutant.
The features of the present invention is：Lucite tube 2 is the common instrument for gathering sediment cores, for northern arid-
For semiarid property river, the depth of water is shallower, and the bank gradient is relatively slow, and sample collector can directly descend water conservancy to be gathered with manpower, convenient fast
It is prompt；The groove width of annular water tank is designed as 65mm, and conventional lucite tube 2 is 60mm, and the design of cell body width compares lucite
Pipe 2 is slightly wide, beneficial to the insertion of lucite tube 2；Rubber tube 6 is conveniently easy to get with syringe 7, and organic glass is shifted using siphon principle
Overlying water 3 in glass pipe 2, convenient and swift, the deposit 4 in lucite tube 2 is retained separately to have with transport with overlying water 3
Effect prevents in transportation vibrations to cause pollutant in the alternate Transport And Transformation of solid-liquid two, meanwhile, it is capable in the transfer that paves
During prevent when lucite tube 2 is promoted to the interface of deposit 4 and overlying water 3, let out and cause pair under overlying water 3 is quick
The impact of deposit 4；Reality can be transported back in sampling location using multiple in-situ acquisition deposits 4 of lucite tube 2 and overlying water 3
It is transferred to after testing room in the cell body 8 of annular water tank, realizes annular water tank simulation in-situ deposition thing 4, the relative motion of overlying water 3 and dirt
Contaminate the function of the defeated transferization of thing；The present invention is simple in construction, easily operated, can keep the relative position of deposit 4, it is heavy not destroy
The character of product thing 4.
To sum up, by means of the above-mentioned technical proposal of the present invention, it is possible to achieve deposit while overlying water with gathering, simultaneously
Transporting, will not produce destruction to the character of deposit during paving, annular water tank is utilized so as to more accurate
The water environment state under river-flow state is simulated, is advantageous to research of the sediment movement to the defeated transferization related fields of pollutant.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (4)
1. a kind of undisturbed sediment, overlying water synchronous acquisition and analogy method, it is characterised in that comprise the following steps：
S1 has rubber stopper using bottom closure（5）More lucite tubes（2）Sedimentary column, the deposition are gathered in same place
Post includes deposit（4）And positioned at the deposit（4）The overlying water of top（3）；
S2 utilizes syringe（7）And rubber tube（6）From the lucite tube（2）Top extract the overlying water（3）, and
It is unified to preserve；
S3 is by the more lucite tubes（2）Top cover lid（1）With by the lucite tube（2）Top envelope
It is stifled；
S4 is by the rubber stopper（5）The cell body of annular water tank is put into after removal（8）In；
S5 removes the lid（1）Afterwards by the more lucite tubes（2）Synchronously it is lifted up, so that the deposit（4）
Because Action of Gravity Field is gradually from the lucite tube（2）Discharge and pave to cell body in bottom（8）It is interior；
The overlying water that S6 preserves unification（3）It is transferred to the cell body（8）It is interior.
2. undisturbed sediment according to claim 1, overlying water synchronous acquisition and analogy method, it is characterised in that in S2
In, utilize syringe（7）And rubber tube（6）Overlying water described in slow pump drainage（3）, to prevent overlying water（3）Disturb the deposition
Thing（4）Top layer.
3. undisturbed sediment according to claim 1, overlying water synchronous acquisition and analogy method, it is characterised in that in S5
In, first by the more lucite tubes（2）The lid is removed after being bonded as one by adhesive tape again（1）.
4. undisturbed sediment according to claim 1, overlying water synchronous acquisition and analogy method, it is characterised in that in S6
In, by the unified overlying water preserved（3）Pass through syringe（7）And rubber tube（6）Slowly it is transferred to the cell body（8）
It is interior, it is ensured that the overlying water（3）Along the cell body（8）Wall enter the cell body（8）, prevent to the deposit（4）'s
Disturbance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710734277.0A CN107642064A (en) | 2017-08-24 | 2017-08-24 | A kind of undisturbed sediment, overlying water synchronous acquisition and analogy method |
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| CN201710734277.0A CN107642064A (en) | 2017-08-24 | 2017-08-24 | A kind of undisturbed sediment, overlying water synchronous acquisition and analogy method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108318629A (en) * | 2018-02-05 | 2018-07-24 | 中国水产科学研究院黄海水产研究所 | Device for measuring heavy metal flux in atmospheric sedimentation by using sediments |
| CN108362833A (en) * | 2018-02-05 | 2018-08-03 | 中国水产科学研究院黄海水产研究所 | Method for determining transfer of heavy metal settled in atmospheric air in sediment |
| CN109490500A (en) * | 2018-11-28 | 2019-03-19 | 安徽理工大学 | Hard deposit water sample stratified sampling and real-time monitoring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318629A (en) * | 2018-02-05 | 2018-07-24 | 中国水产科学研究院黄海水产研究所 | Device for measuring heavy metal flux in atmospheric sedimentation by using sediments |
| CN108362833A (en) * | 2018-02-05 | 2018-08-03 | 中国水产科学研究院黄海水产研究所 | Method for determining transfer of heavy metal settled in atmospheric air in sediment |
| CN108318629B (en) * | 2018-02-05 | 2021-03-09 | 中国水产科学研究院黄海水产研究所 | Device for measuring heavy metal flux in atmospheric sedimentation by using sediments |
| CN108362833B (en) * | 2018-02-05 | 2021-03-23 | 中国水产科学研究院黄海水产研究所 | Method for determining transfer of heavy metal settled in atmospheric air in sediment |
| CN109490500A (en) * | 2018-11-28 | 2019-03-19 | 安徽理工大学 | Hard deposit water sample stratified sampling and real-time monitoring device |
| CN109490500B (en) * | 2018-11-28 | 2024-01-26 | 安徽理工大学 | Hard sediment water sample layered sampling and real-time monitoring device |
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Application publication date: 20180130 |