CN106248905A - A kind of experimental system monitoring pollutant release in peb process bed mud and experimental technique thereof - Google Patents
A kind of experimental system monitoring pollutant release in peb process bed mud and experimental technique thereof Download PDFInfo
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- CN106248905A CN106248905A CN201610538491.4A CN201610538491A CN106248905A CN 106248905 A CN106248905 A CN 106248905A CN 201610538491 A CN201610538491 A CN 201610538491A CN 106248905 A CN106248905 A CN 106248905A
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Abstract
The invention discloses a kind of experimental system monitoring the release of pollutant in peb process bed mud, monitoring device and sampler is prepared including pollution sand-like mixing arrangement, bed ripples, described pollution sand-like mixing arrangement includes and the mixed husky container of pollutant husky for mixing water, for storing the water sand blending bin of water sand mixture and for storing the cesspool of pollutant, described water sand blending bin is connected by the top of conduit with mixed husky container, and described cesspool is connected with top and the bottom of mixed husky container respectively by aqueduct；Described bed ripples preparation facilities includes at least one dismountable bed ripples mould and the conductivity probe being placed in bed ripples mould；Described sampler includes the sampler being spliced by the moveable sampling plate of polylith and the polylith sampling plate of upper and lower opening.The present invention uses the mode that vacuum pump and catheter drainage are harmonious, and utilizes simple inverted-siphon physical principle, is sucked by the water sand in water sand blending bin in mixed husky container, has saved a large amount of manpower and time.
Description
Technical field
The present invention relates to the experimental system during a kind of freshwater monitoring and experimental technique thereof, particularly relate to a kind of monitoring flood
In water process bed mud pollutant release experimental system and using method.
Background technology
The fast development of existing economy and the process of urbanization are constantly accelerated, and the health problem in river has become to be paid close attention to
Problem, and the improvement in existing river is only focusing only on surface water is far from being enough, river and the shallow underground in silt
Being engraved in during water and occur to exchange, pollutant enter subsoil water from surface water, brief stay occurs in silt, can be discharged into again
In surface water, river is caused secondary pollution, due to defect and the complexity of field trial of prior art, to pollutant be
It is the fuzzyyest for how discharging this process from bed mud, and conventional research embodies a concentrated reflection of the analysis of laboratory experiment, for open country
The real processes of outer experiment hardly results in concrete result.
It would therefore be highly desirable to solution the problems referred to above.
Summary of the invention
Goal of the invention: it is an object of the invention to provide one can simulating pollution thing in a peb process from sediment release
Change in time and space process, for field water sand effect Residual contamination thing transport these a series of ecological process researchs provide certain technology
The a kind of of reference monitors the experimental system of pollutant release in peb process bed mud.
It is a further object to provide the experiment of the experimental system of pollutant release in monitoring peb process bed mud
Method.
Technical scheme: for realizing object above, pollutant release in a kind of monitoring peb process bed mud of the present invention
Experimental system, it is characterised in that: include that polluting sand-like mixing arrangement, bed ripples prepares monitoring device and sampler, described dirt
Dye sand-like mixing arrangement includes and the mixed husky container of pollutant husky for mixing water, mixes for storing the water sand of water sand mixture
Case and for storing the cesspool of pollutant, described water sand blending bin is connected by the top of conduit with mixed husky container, described dirt
Pond is connected with top and the bottom of mixed husky container respectively by aqueduct；Described bed ripples preparation facilities includes that at least one is removable
The bed ripples mould unloaded and the conductivity probe being placed in bed ripples mould；Described sampler includes can being moved by polylith of upper and lower opening
Sampler that dynamic sampling plate is spliced and polylith sampling plate.Pollutant are the NaCl with finite concentration ratio and stain
Sewage mixed solution.
Wherein, described pollution sand-like mixing arrangement also includes vacuum pump, and this vacuum pump is connected on conduit, starts vacuum
Pump, the water sand mixture in water sand blending bin enters conduit, when flowing to conduit highest point, takes out vacuum pump, the water in conduit
Husky mixture flows in mixed husky container in the way of drift sand inverted-siphon.The mode that vacuum pump and catheter drainage are harmonious, for the most mixed
Close the water sand mixture in the mixing container with certain altitude and pollutant have saved a large amount of manpower and time.
Preferably, the aqueduct between described cesspool and mixed husky container bottom is connected with water pump, valve in turn
And effusion meter.Cesspool defines a blood circulation by aqueduct with mixed husky container, it is ensured that pollutant are in mixing container
Mix homogeneously with silt, polluted sand-like uniformly.
Furthermore, described mixed husky container is built-in with a stirring rod.Act in device when sewage mixes with silt is initial, adopts
Constantly stirring with poking bar, the silt in mixing container is gone out outside container by the bubble prevented.
Further, described bed ripples is prepared monitoring device and is also included low discharge sewage ascending pipe, keeps the sewage shape in pit
State.
Preferably, described bed ripples mould is triangle bed ripples mould.
The experimental technique of a kind of experimental system monitoring the release of pollutant in peb process bed mud of the present invention, including
Following steps:
A, take a certain amount of clean water sand mixture and be placed in water sand blending bin, water sand blending bin external catheter, conduit
It is connected with vacuum pump, opens vacuum pump, when water sand mixture enters conduit peak in water sand blending bin, take out vacuum pump, lead
Water sand mixture in pipe enters in mixed husky container in the way of drift sand inverted-siphon；
Storing pollutant in B, cesspool in advance, open water pump, regulate effusion meter, pollutant enter mixed husky container, uniformly
Polluting clean silt, the silt in mixed husky container is fluidised form, and during mixed sand starts, constantly stirs by stirring rod
In mixed husky container silt；
C, in the wild river test smooth place and dig the pit corresponding with bed ripples size and flatten, and pre-buried splice in advance
Dismountable bed ripples mould, the bed ripples mould being positioned at centre is provided with conductivity probe, horizontal is inserted in bed ripples mould, is distributed in sand
The upstream face of ripple and back side, pollution silt mixing completed is poured in bed ripples mould, and surface has maintained certain triangle
Shape, simultaneously on bed ripples surface along flowing to one layer of sand gravel of interpolation, maintains its stability, simultaneously dismounting bed ripples mould, and utilizes
The low discharge sewage ascending pipe being distributed in pit both sides injects certain sewage in pit；
After D, Flood process, by the data wire external mobile terminal outside conductivity probe, extract pollutant
The data that change is relevant；
E, the sampler of the upper and lower opening assembled is withheld on the bed ripples of end-state so that the silt of all degree of depth
All in sampler, from sampler upper opening portion diagonally one piece of sampling plate of oblique cutting, by sampling plate and sampler from hole
Groove takes out simultaneously, is placed on experiment porch；
F, by downward for sampler epipleural sliding, and obtain each layered portion vertical from one piece of sampling plate of front straight cutting
Silt, carries out concentration analysis by institute's score layer sample, finally gives vertical pollutant release conditions.
Beneficial effect: compared with prior art, the present invention has a following remarkable advantage:
(1) present invention uses the mode that vacuum pump and catheter drainage are harmonious, and utilizes simple inverted-siphon physical principle, by water
Water sand in husky blending bin sucks in mixed husky container, water sand mixture in uniformly mixing has the mixing container of certain altitude and
Pollutant have saved a large amount of manpower and time.
(2) present invention pollute sand-like mixing arrangement utilize water sand blending bin, mixing container and cesspool between formed follows
Loop systems, makes pollutant and silt mix homogeneously, and padding situation can also observe the uniformity of overall pollution.
(3) bed ripples of the present invention is prepared monitoring device and is utilized the detachability of triangle bed ripples mould, can flexible and efficient make
The standby shape meeting certain standard triangle bed ripples, additionally lays one layer of sand gravel on bed ripples surface, and the sand gravel on surface is drawn materials
In natural river, meet rule of sediment movement, the stability of bed ripples shape can be maintained, and can be certainly by conductivity probe
The pollutant release conditions of one peb process of dynamic detection and spatial and temporal distributions.
(4) inventive sampling device flexible design, can take out the silt of all degree of depth, and in two different directions
Mobile sampling, the pollutant spatial variations situation of each layer in bed ripples can be obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pollution sand-like mixing arrangement of the present invention；
Fig. 2 is the structural representation that the bed ripples of the present invention prepares monitoring device；
Fig. 3 (a) be the present invention peb process after overall sampling time sampler schematic diagram when inserting bed ripples；
Fig. 3 (b) be the present invention peb process after overall sampling time diagonal schematic diagram when inserting sampling plate；
Fig. 3 (c) is schematic diagram during the overall sampling after the peb process of the present invention；
Fig. 3 (d) is the schematic diagram of vertical layered sampling after peb process of the present invention；
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described further.
A kind of experimental system monitoring the release of pollutant in peb process bed mud of the present invention, mixes including polluting sand-like
Locking device, bed ripples prepare monitoring device and sampler.Pollute sand-like mixing arrangement be used for mixing clean water sand mixture and
Formed pollute sand-like with the NaCl of finite concentration ratio and the pollutant of stain.Bed ripples prepares monitoring device for mixing
Good pollution sand-like is prepared as bed ripples, simultaneously the pollutant release conditions in one peb process of monitoring and spatial and temporal distributions.Sampling
Device is for being sampled the bed ripples prepared, it is thus achieved that the pollutant spatial variations situation of each layer in bed ripples.
As it is shown in figure 1, pollute sand-like mixing arrangement to include and the mixed husky container 1 of pollutant husky for mixing water, for storing up
The water sand blending bin 2 of water sand mixture and for storing the cesspool 3 of pollutant, described water sand blending bin 2 by conduit 4 with
The top of mixed husky container 1 is connected, and described cesspool 3 is connected with top and the bottom of mixed husky container 1 respectively by aqueduct 5.Dirty
Dye sand-like mixing arrangement also includes vacuum pump 10, and this vacuum pump 10 is connected on conduit, starts vacuum pump, in water sand blending bin 2
Water sand mixture enter conduit 4, when flowing to conduit 4 highest point, evacuate vacuum pump, the water sand mixture in conduit 4 with stream
The mode of husky inverted-siphon flows in mixed husky container 1.Depend on aqueduct 5 between bottom described cesspool 3 and mixed husky container 1
Secondary connection has water pump 11, valve 12 and effusion meter 13.Described mixed husky container 1 is built-in with a stirring rod 14.
The present invention uses the mode that vacuum pump and catheter drainage are harmonious, and utilizes simple inverted-siphon physical principle, and water is husky
Water sand in blending bin sucks in mixed husky container, the water sand mixture in uniformly mixing has the mixing container of certain altitude and dirt
Dye thing has saved a large amount of manpower and time；The present invention pollutes sand-like mixing arrangement and utilizes water sand blending bin, mixing container and sewage
The blood circulation formed between pond, makes pollutant and silt mix homogeneously, and padding situation can also observe overall pollution
Uniformity.
As in figure 2 it is shown, described bed ripples preparation facilities includes at least one dismountable bed ripples mould 6 and is placed in bed ripples mould
Interior conductivity probe 7.Above-mentioned bed ripples mould 6 is triangle bed ripples mould.Bed ripples is prepared monitoring device and is also included that low discharge is dirty
Water ascending pipe 15.Bed ripples of the present invention is prepared monitoring device and is utilized the detachability of triangle bed ripples mould, can flexible and efficient make
The standby shape meeting certain standard triangle bed ripples, additionally lays one layer of sand gravel on bed ripples surface, and the sand gravel on surface is drawn materials
In natural river, meet rule of sediment movement, the stability of bed ripples shape can be maintained, and can be certainly by conductivity probe
The pollutant release conditions of one peb process of dynamic detection and spatial and temporal distributions.
As shown in Fig. 3 (a)-Fig. 3 (d), described sampler includes being spelled by the moveable sampling plate of polylith 9 of upper and lower opening
The sampler 8 connect and polylith sampling plate 9.Inventive sampling device flexible design, can take out the silt of all degree of depth, and
And move sampling, the pollutant spatial variations situation of each layer in bed ripples can be obtained in two different directions.
The experimental technique of a kind of experimental system monitoring the release of pollutant in peb process bed mud of the present invention, including
Following steps:
A, take a certain amount of clean water sand mixture and be placed in water sand blending bin 2, water sand blending bin 2 external catheter 4, lead
Pipe 4 is connected with vacuum pump 10, opens vacuum pump 10, when in water sand blending bin 2, water sand mixture enters conduit 4 peak, takes out
Vacuum pump 10, the water sand mixture in conduit 4 enters in mixed husky container 1 in the way of drift sand inverted-siphon；
Storing pollutant in B, cesspool 3 in advance, open water pump 11, open valve 12, regulate effusion meter 13, pollutant enter
Entering to mix husky container 1, uniformly pollute clean silt, the silt in mixed husky container 1 is fluidised form, and during mixed sand starts,
Constantly with in the mixed husky container 1 of stirring rod 14 agitation silt；
C, in the wild river test smooth place and dig the pit 16 corresponding with bed ripples size and flatten, and pre-buried splice in advance
Good dismountable bed ripples mould 6, is positioned at the bed ripples mould 6 of centre and is provided with conductivity probe 7, horizontal is inserted in bed ripples mould, point
Being distributed in upstream face and the back side of bed ripples, pollution silt mixing completed is poured in bed ripples mould 6, and surface has remained certain
Triangular shaped, simultaneously on bed ripples surface along flowing to one layer of sand gravel 17 of interpolation, maintain its stability, dismantle mould simultaneously, and
The low discharge sewage ascending pipe 15 being distributed in 16 both sides, hole is utilized to inject certain sewage in pit 16；
After D, Flood process, by the data wire external mobile terminal of conductivity probe 7, extract pollutant change
Relevant data；
E, the sampler 8 of the upper and lower opening assembled is withheld on the bed ripples 18 of end-state so that all degree of depth
Silt is all in sampler 8, from sampler 8 upper opening portion diagonally one piece of sampling plate 9 of oblique cutting, by sampling plate 9 with take
Sample device 8 takes out from pit 16 simultaneously, is placed on experiment porch.
F, by downward for the side plate on sampler 8 sliding, and obtain each layering portion vertical from one piece of sampling plate 9 of front straight cutting
The silt divided, carries out concentration analysis by institute's score layer sample, finally gives vertical pollutant release conditions.
Claims (7)
1. monitor the experimental system of pollutant release in peb process bed mud for one kind, it is characterised in that: include polluting sand-like mixing
Device, bed ripples prepare monitoring device and sampler, and described pollution sand-like mixing arrangement includes and pollutant husky for mixing water
Mixed husky container (1), for storing water sand blending bin (2) of water sand mixture and for storing the cesspool (3) of pollutant, institute
Stating water sand blending bin (2) to be connected by the top of conduit (4) with mixed husky container (1), described cesspool (3) passes through aqueduct (5)
It is connected with top and the bottom of mixed husky container (1) respectively；Described bed ripples preparation facilities includes at least one dismountable bed ripples mould
Tool (6) and the conductivity probe (7) being placed in bed ripples mould；Described sampler includes the moveable by polylith of upper and lower opening
Sampler (8) that sampling plate (9) is spliced and polylith sampling plate (9).
A kind of experimental system monitoring the release of pollutant in peb process bed mud the most according to claim 1, its feature exists
In: described pollution sand-like mixing arrangement also includes that vacuum pump (10), this vacuum pump (10) are connected on conduit, starts vacuum pump,
Water sand mixture in water sand blending bin (2) enters conduit (4), when flowing to conduit (4) highest point, evacuates vacuum pump, conduit
(4) the water sand mixture in flows in mixed husky container (1) in the way of drift sand inverted-siphon.
A kind of experimental system monitoring the release of pollutant in peb process bed mud the most according to claim 1, its feature exists
In: it is positioned on the aqueduct (5) between described cesspool (3) and mixed husky container (1) bottom and is connected with water pump (11), valve in turn
And effusion meter (13) (12).
A kind of experimental system monitoring the release of pollutant in peb process bed mud the most according to claim 1, its feature exists
In: described mixed husky container (1) is built-in with a stirring rod (14).
A kind of experimental system monitoring the release of pollutant in peb process bed mud the most according to claim 1, its feature exists
In: described bed ripples is prepared monitoring device and is also included low discharge sewage ascending pipe (15).
A kind of experimental system monitoring the release of pollutant in peb process bed mud the most according to claim 1, its feature exists
In: described bed ripples mould (6) is triangle bed ripples mould.
7. a kind of as described in arbitrary in claim 1 to 6 monitors the experiment system of pollutant release in peb process bed mud
The experimental technique of system, it is characterised in that comprise the steps:
A, take a certain amount of clean water sand mixture and be placed in water sand blending bin (2), water sand blending bin (2) external catheter (4),
Conduit (4) is connected with vacuum pump (10), opens vacuum pump (10), when in water sand blending bin (2), water sand mixture enters conduit (4)
Peak, takes out vacuum pump (10), and the water sand mixture in conduit (4) enters mixed husky container (1) in the way of drift sand inverted-siphon
In；
B, cesspool (3) store pollutant in advance, opens water pump (11), open valve (12), regulation effusion meter (13), pollute
Thing enters mixed husky container (1), the silt that uniform pollution is clean, and the silt in mixed husky container (1) is fluidised form, and in mixed husky beginning
During, constantly with in stirring rod (14) the mixed husky container of agitation (1) silt；
C, in the wild river test smooth place and dig the pit (16) corresponding with bed ripples size and flatten, and pre-buried splice in advance
Dismountable bed ripples mould (6), the bed ripples mould (6) being positioned at centre is provided with conductivity probe (7), horizontal is inserted in bed ripples mould
In, it being distributed in upstream face and the back side of bed ripples, pollution silt mixing completed is poured in bed ripples mould (6), and surface maintains
The most certain is triangular shaped, simultaneously on bed ripples surface along flowing to one layer of sand gravel (17) of interpolation, maintains its stability, tears open simultaneously
Unload mould, and utilize low discharge sewage ascending pipe (15) being distributed in pit (16) both sides to inject certain dirt in pit (16)
Water；
After D, Flood process, by the data wire external mobile terminal of conductivity probe (7), extract pollutant change phase
The data closed；
E, the sampler (8) of the upper and lower opening assembled is withheld on the bed ripples of end-state so that the silt of all degree of depth
All inner at sampler (8), from sampler (8) upper opening portion diagonally one piece of sampling plate (9) of oblique cutting, by sampling plate (9)
Take out from pit (16) with sampler (8) simultaneously, be placed on experiment porch；
F, by the downward sliding of side plate on sampler (8), and obtain each layering portion vertical from one piece of sampling plate (9) of front straight cutting
The silt divided, carries out concentration analysis by institute's score layer sample, finally gives vertical pollutant release conditions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610538491.4A CN106248905B (en) | 2016-07-08 | 2016-07-08 | It is a kind of to monitor the experimental system and its experimental method that pollutant discharges in peb process bed mud |
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| CN201610538491.4A CN106248905B (en) | 2016-07-08 | 2016-07-08 | It is a kind of to monitor the experimental system and its experimental method that pollutant discharges in peb process bed mud |
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| CN115144554A (en) * | 2022-06-02 | 2022-10-04 | 河海大学 | Multi-index monitoring system for terrain self-adaptive water body |
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| CN106644384A (en) * | 2016-12-28 | 2017-05-10 | 中央民族大学 | Conveying experiment system with circulating water trough-experiment soil cup over-scale coupling for pollutant between overlaying water and bed |
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| CN106979870B (en) * | 2017-05-09 | 2022-01-25 | 北京中矿东方矿业有限公司 | Continuous sampling device of different position samples |
| CN107389896A (en) * | 2017-06-12 | 2017-11-24 | 河海大学 | Top layer bed material pollutant adsorption/desorption characteristic measuring device and its application method |
| CN107389896B (en) * | 2017-06-12 | 2018-04-03 | 河海大学 | Top layer bed material pollutant adsorption/desorption characteristic measuring device and its application method |
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| CN108645758A (en) * | 2018-05-29 | 2018-10-12 | 河北省水利水电勘测设计研究院 | A kind of pollutants in sediments dynamic release analysis method |
| CN115144554A (en) * | 2022-06-02 | 2022-10-04 | 河海大学 | Multi-index monitoring system for terrain self-adaptive water body |
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| Publication number | Publication date |
|---|---|
| CN106248905B (en) | 2018-06-19 |
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