CN203310755U - Device for simulating transport and fate of karst underground river pollutants - Google Patents
Device for simulating transport and fate of karst underground river pollutants Download PDFInfo
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- CN203310755U CN203310755U CN2013203417262U CN201320341726U CN203310755U CN 203310755 U CN203310755 U CN 203310755U CN 2013203417262 U CN2013203417262 U CN 2013203417262U CN 201320341726 U CN201320341726 U CN 201320341726U CN 203310755 U CN203310755 U CN 203310755U
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Abstract
The utility model discloses a device for simulating transport and fate of karst underground river pollutants. The device comprises a main pipeline, a plurality of branch pipelines, a plurality of puddles, a plurality of main pipeline water filling holes, a plurality of branch pipeline water filling holes, a plurality of sampling monitoring holes and pipeline water outlets. The pollutants are added into a karst underground river pipeline model through the pipelines, and the transport of the pollutants in a karst underground river and the puddles is simulated by virtue of modern sampling detection and automatic monitoring means to reveal the effects of possible convection, dispersion, adsorption, degradation, dilution and the like of the pollutants in the karst underground river and explain the fate of the pollutants. The device simulates geological lithology and hydraulic condition of the karst underground river, integrates a high-precision, high-density and multi-index automatic monitoring technology, is favorable for quick and intensive monitoring in a lab and multi-scheme design, and can be used for making a research on the transport and fate of the karst underground river pollutants.
Description
Technical field
The utility model relates to contaminant water physiographic geology technical field, particularly a kind of go to river device at pollutant migration and home to return to of karst region of simulating.
Background technology
It is the typical groundwater occurrence of south China carbonatite Distribution Area space that karst region is gone to river, and has the pipeline stream feature of hydraulics complexity.Because go to river system and ground surface environment of karst region contacts intensively, lack natural antiseepage or filtering layer, add artificial illegal blowdown behavior, the earth's surface pollutant is easy to directly enter the subterranean stream aqueous system by karst forms such as swallow holes, thus polluted underground water.Such as sanitary sewage and the industrial waste water of city and mining area usually causes the subterranean stream system by organism and heavy metal pollution, subterranean stream becomes the sewer of various places blowdown just gradually.This pollution situation directly has influence on the Sustainable Development and Utilization of Groundwater In The Karst Area resource and effectively protection.For this reason, in the face of the pollution situation of this subterranean stream system complex, in subterranean stream, the pollutant migration has become with the simulation of home to return to mechanism the focus that the scientific worker pays close attention to.Wherein, laboratory simulation is important channel and the necessary means that discloses pollutant migration feature and home to return to mechanism.In the past, people utilize the materials such as glass, plastics and stainless steel to go to river at the laboratory simulation karst region usually, but be difficult to embody the interactional spontaneous phenomenon of carbonatite and pollutant, comprise the mechanism such as absorption, carbonate corrosion and biodegradation, thereby affect the simulation of pollutant transition process.
Summary of the invention
The purpose of this utility model is reasonably carried out laboratory simulation exactly for science, a kind of device that can effectively simulate in laboratory the migration of korneforos pollutant under karst region and home to return to is provided.
The utility model is achieved in that the go to river pollutant migration of simulation karst region comprises a master stream pipeline, several tributary pipelines, several puddles, several master stream pipeline water injection holes, several tributary pipeline water injection holes, several sampling monitoring hole and pipe water outlets with the device at home to return to.
Master stream pipeline and tributary pipeline consist of the lime pipe; The tributary pipeline is distributed in the both sides of master stream pipeline, and puddle is the ponding pool that subterranean stream distributes on the way, consists of the hollow ball-shape body of ls material, is arranged on the pipeline of master stream or on the pipeline of tributary, current can be therein by or gather.
Master stream pipeline water injection hole is distributed in the top of master stream pipeline, and tributary pipeline water injection hole is distributed in the top of tributary pipeline, and master stream pipeline water injection hole and the equal opening upwards of tributary pipeline water injection hole, as required, can connect allogenic water by peristaltic pump.
The sampling monitoring hole is distributed in respectively the top of master stream pipeline, tributary pipeline and puddle, as required, can, by the syringe collected specimens for analyzing, also can use the metal electrode in-site detecting.
Pipe water outlet is positioned at pipe end below, master stream, is connected with water swivel, controls flow 0.0 ~ 37.0 mL/s, with instrument, is connected and implements online water quality monitoring.
Pollutant moves and the step at home to return to is to utilize said apparatus simulation karst region to go to river
:
(1) by peristaltic pump, continue to inject allochthonic ground water at master stream, pipeline top, master stream pipeline water filling port, be full of pipeline, regulate the flow of pipe water outlet and connect the fluorophotometer automatic tester, automatic monitoring is measured water water quality.
(2) tracer agent is passed through to the instantaneous injection of pipeline water filling port master stream, master stream pipeline.
(3) by the sampling monitoring hole, do the Other Instruments analysis with syringe sampling, such as gas chromatograph, ion chromatograph etc., also can directly insert monitoring holes in-situ monitoring pH value, dissolved oxygen DO with metal electrode.
(4) by pipe water outlet, with fluorophotometer, automatically detect the variation of tracer concentration in water outlet, temperature, conductivity and turbidity, automatic writing time of interval is set, continue to monitor, drop to the allochthonic ground water background concentration until observe tracer concentration.
(5) by the data importing computer in fluorophotometer, data are processed, formed tracer concentration-time course line.
(6) by tracer concentration-time curve analytical calculation, draw a series of pipeline hydraulics and structural characteristic parameter, disclose tracer agent mass attenuation mechanism.
Described tracer agent is non-reaction tracer agent or reaction tracer agent, and non-reaction tracer agent is uranin, and the reaction tracer agent is pollutant.
The utility model can conversion and is controlled experiment condition, carries out repeated experiments; The pollutant that can utilize field not allow to throw in is done experiment, by sampling monitoring data research pollutant in ducted migratory behaviour; And the ls material can be dissoluted, can embody the absorption property to pollutant, reflected the media property that true karst region is gone to river and had.Therefore, the utility model provides very convenient and effective device for the go to river migration of pollutant and home to return to simulation of karst region.
The accompanying drawing explanation
Fig. 1 is the floor map of the utility model embodiment.
Mark in figure: 1-master stream pipeline; 2-tributary pipeline; The 3-puddle; 4-master stream pipeline water injection hole; 5-tributary pipeline water injection hole; 6-sampling monitoring hole; The 7-pipe water outlet.
Fig. 2 is tracer agent time-concentration procedure chart of embodiment of the present invention monitoring.
Embodiment
Embodiment:
As shown in Figure 1, the simulation karst region is gone to river, and pollutant moves and the device at home to return to comprises master stream pipeline 1, tributary pipeline 2, puddle 3, master stream pipeline water injection hole 4, tributary pipeline water injection hole 5, sampling monitoring hole 6 and pipe water outlet 7.
Master stream pipeline 1: long 340cm consists of change in diameter scope 1.0 ~ 5.0cm, external diameter variation range 2.0 ~ 10.0cm the lime pipe of different tube diameters.
Tributary pipeline 2: add up to 5 tributary pipelines 2, length variations scope 45 ~ 110cm, be distributed in respectively master stream pipeline 1 both sides; Tributary pipeline 2 is made by the ls pipe, change in diameter scope 1.0 ~ 4.0cm, external diameter variation range 2.0 ~ 8.0cm.
Puddle 3: puddle 3 is ponding pools that subterranean stream distributes on the way, consists of the hollow ball-shape body of ls material, arranges altogether two, and one is positioned on master stream pipeline 1, internal diameter 14.3cm, external diameter 20cm, current can be therein by or gather; Another is positioned on tributary pipeline 2, internal diameter 9.1cm, external diameter 12cm.
Master stream pipeline water injection hole 4: by stainless steel, made, internal diameter 1.0cm, external diameter 1.5cm, be distributed in the top of master stream pipeline 1, and opening upwards, as required, connect allogenic water by peristaltic pump.
Tributary pipeline water injection hole 5: amount to 5, be distributed in the top of each tributary pipeline 2, opening upwards, made by stainless steel, internal diameter 1.0cm, and external diameter 1.5cm, as required, connect allogenic water by peristaltic pump.
Sampling monitoring hole 6: add up to 11, made by stainless steel, internal diameter 1.0cm, external diameter 1.5cm, be distributed in respectively the top of master stream pipeline 1, tributary pipeline 2 and puddle 3, as required, for analyzing, uses the metal electrode in-site detecting by the syringe collected specimens.
Pipe water outlet 7: be positioned at master stream pipeline 1 end below, be connected with stainless steel faucet, control flow 0.0 ~ 37.0 mL/s, be connected with instrument and implement online water quality monitoring.
Pollutant moves and the step at home to return to is to utilize said apparatus simulation karst region to go to river
:
(1) by peristaltic pump, continue to inject allochthonic ground water (rotating speed 15rpm at master stream pipeline 1 master stream, top pipeline water filling port 4, flow 11mL/min), be full of master stream pipeline 1, regulate the flow of pipe water outlet 7 and connect the fluorophotometer automatic tester, automatic monitoring is measured water water quality.
(3) get the Fluress (tracer agent) that 20 ml prepare, by master stream pipeline water injection hole 4, inject master stream pipeline 1 within 10 seconds.
(4), by sampling monitoring hole 6, for the Other Instruments analysis, directly insert monitoring holes 6 in-situ monitoring pH values, dissolved oxygen DO with metal electrode with syringe sampling.
(5) by pipe outlet 7, with the GGUN-FL fluorophotometer, automatically detect the variation of uranin concentration, temperature, conductivity and turbidity in water outlet, automatically writing time, interval was made as 10min, and Therapy lasted 4400min, drop to the allochthonic ground water background concentration until observe uranin concentration.
(6) by the data importing computer in the GGUN-FL fluorophotometer, data are processed, formed tracer concentration-time course line, see Fig. 2.
(7) by tracer concentration-time curve analytical calculation, can draw a series of pipeline hydraulics and structural characteristic parameter, as shown in table 1.
Table 1 pipeline hydraulic condition and pipeline configuration parameter list
| Parameter | Unit | Uranin | Model parameter |
| The recovery | % | 91.232 | |
| Mean residence time | min | 745.92 | |
| Average migration velocity | m/d | 7.7935 | |
| The longitudinal dispersion coefficient | m 2/s | 5.39x10 -5 | |
| The scanning pipeline is crossed water volume | m 3 | 0.0082 | 0.006988 |
| Pipeline is crossed the water meter area | m 2 | 203.56 | |
| Discharge section area | m 2 | 0.002 | |
| The section equivalent diameter | m | 0.05 | 0.01-0.14 |
| Gram row coefficient | 6.7547 | ||
| Reynolds number | 4.025 |
Claims (1)
1. the device at simulating pollution thing korneforos migration and home to return under karst region, it is characterized in that move simulating pollution thing korneforos under karst region and the device at home to return to, comprise a master stream pipeline (1), several tributary pipelines (2), several puddles (3), several master stream pipeline water injection holes (4), several tributary pipeline water injection holes (5), several sampling monitoring holes (6) and pipe water outlet (7);
Tributary pipeline (2) is distributed in the both sides of master stream pipeline (1), and puddle (3) is arranged on master stream pipeline (1) and tributary pipeline (2); Master stream pipeline water injection hole (4) is distributed in the top of master stream pipeline (1), and tributary pipeline water injection hole (5) is distributed in the top of tributary pipeline (2), and master stream pipeline water injection hole (4) and tributary pipeline water injection hole (5) be opening upwards all; Sampling monitoring hole (6) is distributed in respectively the top of master stream pipeline (1), tributary pipeline (2) and puddle (3); Pipe water outlet (7) is positioned at master stream pipeline (1) end below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203417262U CN203310755U (en) | 2013-06-16 | 2013-06-16 | Device for simulating transport and fate of karst underground river pollutants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203417262U CN203310755U (en) | 2013-06-16 | 2013-06-16 | Device for simulating transport and fate of karst underground river pollutants |
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| Publication Number | Publication Date |
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| CN203310755U true CN203310755U (en) | 2013-11-27 |
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| CN2013203417262U Expired - Fee Related CN203310755U (en) | 2013-06-16 | 2013-06-16 | Device for simulating transport and fate of karst underground river pollutants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066389A (en) * | 2016-08-18 | 2016-11-02 | 济南大学 | The double aqueous system supply source of karst and Environmental capacity analog and analogy method |
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2013
- 2013-06-16 CN CN2013203417262U patent/CN203310755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066389A (en) * | 2016-08-18 | 2016-11-02 | 济南大学 | The double aqueous system supply source of karst and Environmental capacity analog and analogy method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |