CN106066389B - The double aqueous system supply sources of karst and contamination control analogue means and analogy method - Google Patents
The double aqueous system supply sources of karst and contamination control analogue means and analogy method Download PDFInfo
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- CN106066389B CN106066389B CN201610687280.7A CN201610687280A CN106066389B CN 106066389 B CN106066389 B CN 106066389B CN 201610687280 A CN201610687280 A CN 201610687280A CN 106066389 B CN106066389 B CN 106066389B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
Include water unit, seepage flow portion, pressure measurement portion and water intaking portion with contamination control analogue means, the analogue means the invention discloses a kind of double aqueous system supply sources of karst, also disclose a kind of analogy method using the analogue means.Karst big spring flow pluralistic recharge process can be simulated by the analogue means and analogy method, Karst groundwater pollution repairing effect, pressure-bearing karst water system drains the mixing ratio of spring supply source, the mixing ratio of karst water system of diving under water excretion spring supply source, the mixing ratio of double karst water system excretion spring supply sources, and fracture belt influence on double karst water system discharge areas aerodynamic field.The experimental data that the device obtains, the differentiation of Hydrodynamic field and hydrochemical field in double Karst aquifer system water cycle processes is theoretically disclosed, karst water system excretion spring supply composition of proportions is disclosed, discloses karst water system pollution amelioration process.
Description
Technical field
It is specifically a kind of to be used to study nature double-aquifer the present invention relates to a kind of analogue means and analogy method
Water cycle process in Karst System, and discharge area karst big spring flow pluralistic recharge source mixing ratio is disclosed, and carry out double rocks
The analogue means and analogy method of molten aqueous system contamination control.
Background technology
The distribution of China Karst landforms is wide, area is big.The carbonate rock such as limestone, dolomite, marl bare land area
About 91~1,300,000 sq-kms.In northern China, karst distribution area is extensive, Karst Water Resource very abundant, Karst Water Resource
Because water quality is excellent, output is stable, and as the important water source of industrial and mining enterprises, urban life and agricultural.But with economy
The development of society, mankind's activity have triggered a series of karst region environmental hydrological geological problems, and such as large-scale karst water water head site provides
Source exhaustion, karst collapse, karst water pollution, the extinction of karst big spring landscape, karst region stony desertification etc..
Solve the above problems, first have to probe into this series of hydrogeology problems, understand the geology bar
The evolutionary process of water environment under part.But due to the inhomogeneity of Karst aquifer medium height, for a long time, karst water system
Water cycle process be always the concern of domestic and international academia hot issue and Research Challenges.Such as karst big spring seepage field water circulation
Process, the mixing ratio in karst big spring pluralistic recharge source, contaminant transportation rule and Evolution in karst water system, and fracture
Construction is to karst water runoff influence etc..This analogue means is then to inquire into the double aqueous system water cycle processes of karst, karst big spring
The technical method of flow decay process, Karst aquifer system contamination control.
The content of the invention
In order to study ground water circulation process mechanism in more Karst aquifer mediums, and science is provided for Karst groundwater pollution preventing and treating
Foundation, the present invention provide a kind of double aqueous system supply sources of karst and contamination control analogue means and analogy method.Pass through the party
Method can simulate karst big spring flow pluralistic recharge process, Karst groundwater pollution repairing effect, and pressure-bearing karst water system excretion spring is mended
To the mixing ratio in source, the mixing ratio of diving karst water system excretion spring supply source, double karst water system excretion spring supply sources mix
Composition and division in a proportion, and fracture belt influence on double karst water system discharge areas aerodynamic field.The experimental data that the device obtains, theoretically takes off
Show the differentiation of Hydrodynamic field and hydrochemical field in double Karst aquifer system water cycle processes, disclose karst water system excretion spring supply
Composition of proportions, disclose karst water system pollution amelioration process.
The technical scheme adopted by the invention to solve the technical problem is that：
The double aqueous system supply sources of karst and contamination control analogue means, including water unit, seepage flow portion, pressure measurement portion and water intaking
Portion, described seepage flow portion include wedge shaped seepage tank, and the interior parallel of the seepage tank is provided with two flase floors, described
Several leaking holes have been uniformly arranged on flase floor, and filter screen is enclosed with the outside of described flase floor；
The interior zone of the seepage tank is divided into the first cavity, second by the flase floor described in two successively from front to back
Cavity and the 3rd cavity；
First summer group Oolitic Limestones layer, the first water barrier and are disposed with the first described cavity from the bottom up
One Ordovician period dolomitic limestone layer, be disposed with from the bottom up in the 3rd described cavity the 3rd summer group Oolitic Limestones layer,
3rd water barrier and the 3rd Ordovician period dolomitic limestone layer；
The first described water barrier and the 3rd water barrier are mixed using silty clay and shale chip, and the two is mixed
Composition and division in a proportion example is 3:7；
Cover plate is provided with above described the first cavity and the second cavity；
Described water unit includes the first water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle；
The test liquid being arranged in the first described water supply bottle is a summer group limestone karst water, is arranged at described second
Test liquid in water supply bottle is surface water, and the first described water supply bottle and the second water supply bottle pass through the first pipeline and second respectively
Pipeline is connected with first summer group Oolitic Limestones layer in the first cavity；
The test liquid being arranged in the 3rd described water supply bottle is ordovician limestone karst water, and the 3rd described water supply bottle
It is connected by the 3rd pipeline with the first Ordovician period dolomitic limestone layer in the first cavity；
The test liquid being arranged in the 4th described water supply bottle is surface water or sewage, and is arranged at described the 4th and supplies water
The 4th pipeline on bottle is located at the top of the seepage tank, and several leaking holes are provided with the side wall of the 4th described pipeline；
Overfall is respectively arranged with first water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle；
Valve and flowmeter are respectively arranged with described the first pipeline, second pipe, the 3rd pipeline and the 4th pipeline；
Drinking-water pipe, and the bottom of the drinking-water pipe and the upper surface phase of the 3rd water barrier are provided with described cover plate
Contact, the upper end of described drinking-water pipe are connected with water pump, and the lower semisection of the drinking-water pipe is provided with several leaking holes, and described
Drinking-water pipe on be provided with the outside of the part of leaking hole and be enclosed with filter screen；
The rear end of the seepage tank is respectively arranged with the first L-shaped intake pipe, the second intake pipe and the 3rd intake pipe, and
The upper end of described the first intake pipe, the 3rd intake pipe and the first intake pipe is concordant with the rear end of the seepage tank respectively；
The 3rd described intake pipe and the lower end of the first intake pipe are in contact with the bottom surface of seepage tank respectively, if being above provided with
Dry leaking hole, and the outside of the part in the 3rd summer group Oolitic Limestones layer of the first described intake pipe is coated with filter
Net, is provided with several leaking holes on the part in the seepage tank of the 3rd intake pipe, and the 3rd intake pipe
The outer wrap of part in seepage tank has filter screen；
The bottom of the second described intake pipe is in contact with the upper surface of the 3rd described water barrier, second intake pipe
The part in the seepage tank on be provided with several leaking holes, and the part in seepage tank of second intake pipe
Outer wrap have filter screen；
Scale and valve are respectively arranged with described the first intake pipe, the second intake pipe and the 3rd intake pipe；
Be respectively arranged with described seepage tank the first pressure-measuring pipe, the second pressure-measuring pipe, the 3rd pressure-measuring pipe, the 4th pressure-measuring pipe,
5th pressure-measuring pipe, the 6th pressure-measuring pipe, the 7th pressure-measuring pipe, the 8th pressure-measuring pipe；
The first described pressure-measuring pipe and the 3rd pressure-measuring pipe respectively with first described summer group Oolitic Limestones layer forward and backward two
End is connected, the second described pressure-measuring pipe and the 4th pressure-measuring pipe respectively with before the first described Ordovician period dolomitic limestone layer,
Both ends are connected afterwards, the 5th described pressure-measuring pipe and the 7th pressure-measuring pipe respectively with the 3rd described summer group Oolitic Limestones layer
Forward and backward both ends are connected, the 6th described pressure-measuring pipe and the 8th pressure-measuring pipe respectively with the 3rd described Ordovician period dolomitic limestone
The forward and backward both ends of layer are connected；
Described the first pressure-measuring pipe, the second pressure-measuring pipe, the 3rd pressure-measuring pipe, the 4th pressure-measuring pipe, the 5th pressure-measuring pipe, the 6th pressure measurement
Pipe, the 7th pressure-measuring pipe, the upper end of the 8th pressure-measuring pipe are above the upper end of relevant position seepage tank, and lower end is respectively arranged with water intaking
Mouthful, it is provided with valve on described intake.
Further, the height of the front end of the seepage tank is 160cm, and the width of the seepage flow front of the slot is 80cm, institute
The height for stating seepage tank rear end is 100cm, and the width of the seepage tank rear end is 30cm, and the length of the seepage tank is 200cm；
Flase floor described in two tilts rearwardly and upwardly, and described flase floor and the angle of inclination of seepage flow groove bottom are
75 °, be 100cm positioned at the distance between the lower end of the flase floor of front end and seepage flow front of the slot, under the flase floor of rear end
The distance between end and seepage flow front of the slot are 110cm；
The length of 4th pipeline is 30cm；
Height of the overfall away from seepage flow trench bottom of described the first water supply bottle, the second water supply bottle and the 4th water supply bottle be
170cm, height of the overfall away from seepage flow trench bottom of the 3rd described water supply bottle is 150cm；
The length of described drinking-water pipe is 60cm, diameter 15mm, and the axis of the drinking-water pipe is located at the seepage tank
In the plane of symmetry, the distance between described drinking-water pipe to seepage flow front of the slot is 150cmm；
2 times of a diameter of the first described pipeline of the 3rd described pipeline, second pipe and the 4th pipe diameter；
The thickness of first described summer group Oolitic Limestones layer is 20cm, and the thickness of the first described water barrier is 20cm,
The first described Ordovician period dolomitic limestone layer extends to the top of seepage tank from the upper surface of first water barrier；
The thickness of the 3rd described summer group Oolitic Limestones layer is 40cm, and the thickness of the 3rd described water barrier is 20cm,
The 3rd described Ordovician period dolomitic limestone layer extends to the top of seepage tank from the upper surface of the 3rd water barrier；
A diameter of 2mm of the leaking hole, and the spacing between the adjacent leaking hole on described flase floor is
5cm, described filter screen are 80 mesh.
Further, sand in lower floor, sand in fine sand and upper strata are disposed with the second described cavity from the bottom up, and
The thickness of sand is 30cm in described lower floor, and the thickness of described fine sand is 20cm, and sand is from the fine sand in described upper strata
Upper surface extends to the top of seepage tank.
Further, lower floor's fine sand, flour sand and upper strata fine sand are disposed with the second described cavity from the bottom up, and
The thickness of described lower floor's fine sand is 30cm, and the thickness of described flour sand is 20cm, and described upper strata fine sand is from the flour sand
Upper surface extends to the top of seepage tank.
Further, lower floor's silt, silty clay and upper strata powder are disposed with the second described cavity from the bottom up
Soil, and the thickness of described lower floor's silt is 30cm, the thickness of described silty clay are 20cm, and described upper strata silt is from institute
The lower surface for stating fine sand extends to the top of seepage tank.
Further, described seepage tank, drinking-water pipe, the second intake pipe, the 3rd intake pipe and the first intake pipe use
Transparent lucite is made, and described seepage tank is made using double-deck lucite, the first described pressure measurement
Pipe, the second pressure-measuring pipe, the 3rd pressure-measuring pipe, the 4th pressure-measuring pipe, the 5th pressure-measuring pipe, the 6th pressure-measuring pipe, the 7th pressure-measuring pipe, the 8th pressure measurement
Guan Jun is made using flexible pipe for medical purpose.
Further, the lower section difference of the first described water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle
It is provided with lifting platform.
The double aqueous system supply sources of karst and contamination control analogy method, comprise the following steps：
The first step, test liquid and percolating medium are prepared, specifically,
A1, a summer group Oolitic Limestones, shale, the percussion of Ordovician period dolomitic limestone are crushed respectively, it is 2mm- to make particle diameter
3mm, then by silty clay and shale rubble according to 3:7 mixing, summer group Oolitic Limestones, shale and a silty clay are mixed successively
Soil, Ordovician period dolomitic limestone are closed according to the height filling of regulation, is then filled into middle sand and fine sand according to the height of regulation
Between two flase floors；
A2, summer group limestone karst water, surface water, ordovician limestone karst water and sewage used into 0.45um micropores respectively
Membrane filtration cleans；
Second step, according to the analogue means structural representation shown in Fig. 1 to Fig. 7, experimental provision is assembled, closes all valves
Door, and summer group limestone karst water is set in the first water supply bottle, setting surface water in the second water supply bottle, in the 3rd water supply bottle
Ordovician limestone karst water is set, surface water is set in the 4th water supply bottle；
3rd step, the mixing ratio of sunykatuib analysis discharge area Source Of Supply, concrete operations are as follows：
B1, the valve of the first water supply bottle of opening supply water into seepage tank, flow Q1, until water surface elevation reaches in seepage tank
To 40cm, the first water supply bottle valve is closed；
B2, the valve of the 3rd water supply bottle of opening supply water into seepage tank, flow Q3, until water surface elevation reaches in seepage tank
To 100cm, then the valve of the first water supply bottle is opened, now, the first water supply bottle, the 3rd water supply bottle supply water simultaneously；
B3, the valve for opening the second intake pipe and the first intake pipe, observe water level in the second intake pipe and the first intake pipe
Highly, if the first intake pipe height of water level is less than the second intake pipe height of water level, then reduce the flow of the 3rd water supply bottle, increase
The flow of big first water supply bottle, make the second intake pipe and the first intake pipe while have percolating fluid outflow, and record and now first supply
The flow of water bottle is Q1 ', and the flow of the 3rd water supply bottle is Q3 '；
B4, continue to increase the flow of the 3rd water supply bottle, until groundwater level height is high close to fracture belt upper end in seepage tank
Degree, the water level of each pressure-measuring pipe is then observed, and every 30 minutes the second intake pipes of observation and the flow of the first intake pipe, registration
Water level, flow and observation time, until water level, flow are basicly stable；
B5, the valve for opening the 3rd intake pipe, while the flow of the 3rd water supply bottle is increased again, make groundwater level in seepage tank
It is stable to keep overflowing without diving at fracture belt above seepage tank in step b4 height, it is then each every observation in 30 minutes
The flow of intake pipe, while the water level of each pressure-measuring pipe is observed, until water level, stability of flow；
4th step, the karst water system discharge area groundwater resources that sunykatuib analysis different water cut layer obtains after extraneous supply mix
The change of composition and division in a proportion, Ordovician period karst water system is by different water cut system discharge area water quality variance after artificial sewage leakage pollution
According to, and contaminated double karst water systems itself repair ability, concrete operations are as follows：
C1, electrical conductivity, temperature, pH and the NO for determining first and third water supply bottle3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、
Ca2+、Mg2+The initial value of concentration, meanwhile, Q1, Q3 are measured；
C2, the valve for opening the first water supply bottle and the 3rd water supply bottle, and make the flow of the first water supply bottle and the 3rd water supply bottle
Identical with the flow in step b3, respectively Q1 ' and Q3 ' are each every 120min observations after the stable level of each pressure-measuring pipe
The water level of individual pressure-measuring pipe, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, it is small every 2
When determine the NO of each intake pipe diffusate3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, and remember
Sample time and test result are recorded, diffusate sampling observation time continues 36 hours；
C3, after 36 hours, valve is adjusted, and measured by flowmeter, the flow of the first water supply bottle is reduced 5%, open
The valve of second water supply bottle, and keep its flow to observe each survey every 120min equal to the flow of the reduction of the first water supply bottle
The water level of pressure pipe, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, surveyed every 1 hour
The NO of the diffusate of fixed each intake pipe3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record take
Sample time and test result, observation time continue 36 hours；
C4, after 36 hours, valve is adjusted, and measured by flowmeter, the flow of the 3rd water supply bottle is reduced 5%, open
4th water supply bottle valve, and the flow of the 4th water supply bottle is equal to the flow of the reduction of the 3rd water supply bottle, it is each every 120min observations
The water level of individual pressure-measuring pipe, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, it is small every 1
When determine each intake pipe diffusate NO3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+Concentration, record takes
Sample time and test result, sampling observation time continue 48 hours；
C5, after 48 hours, keep the flow of the 4th water supply bottle constant, the test liquid of the 4th water supply bottle is replaced by common
Sewage containing chromium, concentration C0, the water level of each pressure-measuring pipe is observed every 120min, each intake pipe is determined every 30min
Volume, electrical conductivity, temperature, the pH value of water seepage, every the NO for the diffusate that 1 hour determines each intake pipe3 -、SO4 2-、Cl-、
HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result, sampling observation duration 48
Hour；
C6, after 48 hours, the valve of second, four water supply bottles is closed, and make the flow of the first water supply bottle and the 3rd water supply bottle
It is identical with the flow in step b3, respectively Q1 ' and Q3 ', the water level of each pressure-measuring pipe is observed every 120min, every 30min
Volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined, every the diffusate that 1 hour determines each intake pipe
NO3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, sample time and test result are recorded, is oozed out
Liquid sampling observation time continues 48 hours；
C7, the reduction ratio for adjusting the first water supply bottle and the 3rd water supply bottle respectively are 10%, 15%, 20% and 25%, so
C3-c6 operation is repeated afterwards；
Double karst water system pollutions are quickly repaired in 5th step, simulation manual intervention
D1, water pump is opened, draw water 0.3 liter/min of flow, draws water lasting 24 hours；
D2, while pumping for water pump, observe the water level of each pressure-measuring pipe every 30min, take every 30min measure is each
Volume, electrical conductivity, temperature, the pH value of the water seepage of water pipe, every the NO for the diffusate that 30 minutes determine each intake pipe3 -、
SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result；
D3, change the flow that draws water of water pump respectively as 0.4,0.5,0.6,0.8,1.0,1.2 liter/min, then repeatedly d1
With d2 operation；
6th step, simulation fracture belt mix the shadow of when water pollution to double karst water system discharge areas recharge of ground water
Ring, concrete operations are：The filling material in Turbogrid plates is changed,
E1, the fine sand in step a1 is changed to flour sand, while middle sand is changed to fine sand, then repeatedly the 4th step and the 5th step
Operation；
E2, the flour sand in step e1 is changed to silty clay, while fine sand is changed to silt, then repeatedly the 4th step and
The operation of five steps.
The beneficial effects of the invention are as follows：
1st, the formation mechenism of karst big spring and its Source Of Supply mixing ratio under complex geological condition can be studied.
2nd, can be with the pollution course of simulated dual karst water system and double karst water system pollution amelioration effects, it is determined that pollution is repaiied
The optimization displacement of multiple well.
3rd, the hydrogeochemical process process of double karst water systems can be probed into.
4th, control action of the fracture belt to double karst water system water circulation alternate intensities can be probed into.
5th, the double aqueous system water cycle processes of karst are simulated by analogue means, karst big spring flow decay process, and
The control of Karst aquifer system pollution, it is large-scale karst water water head site resource exhaustion, karst collapse, karst water pollution, karst
The problems such as big spring landscape is withered away probes into offer theoretical foundation.
6th, it can be used for education and instruction.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram (being free of percolating medium) of analogue means；
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram of part B in Fig. 1；
Fig. 4 is the position relationship and structural representation of water unit, seepage flow portion and drinking-water pipe in analogue means；
Fig. 5 is the position relationship and structural representation in pressure measurement portion and seepage flow portion in analogue means；
Fig. 6 is the structural representation in water intaking portion；
Fig. 7 is the top view of analogue means (without water unit and percolating medium).
In figure：1- water units, the water supply bottles of 11- first, the pipelines of 111- first, the water supply bottles of 12- second, 121- second pipes,
The water supply bottles of 13- the 3rd, the pipelines of 131- the 3rd, the water supply bottles of 14- the 4th, the pipelines of 141- the 4th, 2- seepage flow portion, 21- seepage tanks, 22-
Flase floor, the cavitys of 23- first, the cavitys of 24- second, the cavitys of 25- the 3rd, 26- cover plates, 271- first open summer group Oolitic Limestones layer,
The water barriers of 272- first, 273- first Ordovician period dolomitic limestone layers, sand in 281- lower floors, 282- fine sands, sand in 283- upper stratas,
The 3rd summer group Oolitic Limestones layer of 291-, the water barriers of 292- the 3rd, 293- the 3rd Ordovician period dolomitic limestone layers, 3- drinking-water pipes,
4- pressure measurement portion, the pressure-measuring pipes of 41- first, the pressure-measuring pipes of 42- second, the pressure-measuring pipes of 43- the 3rd, the pressure-measuring pipes of 44- the 4th, the pressure measurement of 45- the 5th
Pipe, the pressure-measuring pipes of 46- the 6th, the pressure-measuring pipes of 47- the 7th, the pressure-measuring pipes of 48- the 8th, 5- water intakings portion, the intake pipes of 51- first, 52- second take
Water pipe, the intake pipes of 53- the 3rd, 6- valves, 7- flowmeters.
Embodiment
Embodiment one
In order to facilitate description, it is as shown in Figure 1 now to define coordinate system.
As shown in figure 1, the double aqueous system supply sources of karst and contamination control analogue means include water unit 1, seepage flow portion 2,
Pressure measurement portion 4 and water intaking portion 5.
As shown in Figure 3 and Figure 4, described seepage flow portion 2 includes the wedge shaped semi-enclosed seepage tank 21 in upper end, and material is double
Layer lucite.The interior parallel of the seepage tank 21 is provided with two flase floors 22, the flase floor 22 described in two backward on
Side tilts, and has been uniformly arranged several leaking holes on described flase floor 22, and the outside of described flase floor 22 is enclosed with 80
Purpose filter screen.As a kind of embodiment, in the present embodiment, the height along the vertical direction of the front end of the seepage tank 21
For 160cm, the width in left-right direction of the front end of seepage tank 21 is 80cm, and the rear end of seepage tank 21 is along the vertical direction
Height be 100cm, the width in left-right direction of the rear end of seepage tank 21 is 30cm, and the seepage tank 21 is along the longitudinal direction
Length be 200cm, the angle of inclination of described flase floor 22 and the bottom surface of seepage tank 21 is 75 °, the flase floor 22 positioned at front end
Lower end and the distance between the front end of seepage tank 21 be 100cm, positioned at the lower end of the flase floor 22 of rear end and the front end of seepage tank 21
The distance between be 110cm, a diameter of 2mm of the leaking hole, and the spacing between adjacent leaking hole is 5cm.Two institutes
The interior zone of the seepage tank 21 is divided into three cavitys by the flase floor 22 stated, wherein positioned at front end flase floor 22 with oozing
Space between chute 21 is the first cavity 23, and the space between flase floor 22 described in two is the second cavity 24, after being located at
Space between the flase floor 22 and seepage tank 21 at end is the 3rd cavity 25.
First summer group Oolitic Limestones layer 271, the first water proof are disposed with the first described cavity 23 from the bottom up
The Ordovician period dolomitic limestone layer 273 of layer 272 and first, opens wherein first described summer group Oolitic Limestones layer 271 is used to simulate
Summer group limestone pressure-bearing aqueous system, the first described Ordovician period dolomitic limestone layer 273 are used for simulated diving aqueous system.As
A kind of embodiment, in the present embodiment, the thickness of described first summer group Oolitic Limestones layer 271 is 20cm, described
The thickness of first water barrier 272 is 20cm, and the first described Ordovician period dolomitic limestone layer 273 is from first water barrier 272
Upper surface extend to the top of seepage tank 21.Be disposed with from the bottom up in the second described cavity 24 sand 281 in lower floor,
Sand 283 in fine sand 282 and upper strata, for simulating fracture belt.As a kind of embodiment, in the present embodiment, under described
The thickness of sand 281 is 30cm in layer, and the thickness of described fine sand 282 is 20cm, and sand 283 is from the fine sand in described upper strata
282 lower surface extends to the top of seepage tank 21.The 3rd summer is disposed with the 3rd described cavity 25 from the bottom up
Group Oolitic Limestones layer 291, the 3rd water barrier 292 and the 3rd Ordovician period dolomitic limestone layer 293, wherein the 3rd described summer group
Oolitic Limestones layer 291 is used to simulate pressure-bearing aqueous system, and the 3rd described Ordovician period dolomitic limestone layer 293 is used for simulated diving
Aqueous system.As a kind of embodiment, in the present embodiment, the thickness of the described the 3rd summer group Oolitic Limestones layer 291
For 40cm, the thickness of the 3rd described water barrier 292 is 20cm, and the 3rd described Ordovician period dolomitic limestone layer 293 is from described
The upper surface of 3rd water barrier 292 extends to the top of seepage tank 21.First summer group Oolitic Limestones layer 271 described herein
With the 3rd summer group Oolitic Limestones layer 291, the first water barrier 272 and the 3rd water barrier 292, the first Ordovician period dolomitic limestone layer
273 and the 3rd sand 281 in sand 283 in Ordovician period dolomitic limestone layer 293 and upper strata and lower floor merely to distinguishing, actually
It is identical medium.As a kind of embodiment, in the present embodiment, the first described water barrier 272 and the 3rd water barrier
292 are mixed using silty clay and shale chip, and the two mixed proportion is 3:7.As shown in Figure 3 and Figure 7, it is described
The top of first cavity 23 and the second cavity 24 is provided with cover plate 26.
As shown in Figure 2 and Figure 4, described water unit 1 includes the first water supply bottle 11, the second water supply bottle 12, the 3rd water supply bottle
13 and the 4th water supply bottle 14.The test liquid being arranged in the first described water supply bottle 11 is to be derived from the summer group that field motor-pumped well extracts
Limestone karst water, the test liquid being arranged in the second described water supply bottle 12 are rainwater or surface water, and described first
The water supply bottle 12 of water supply bottle 11 and second passes through first in the first pipeline 111 and the cavity 23 of second pipe 121 and first respectively
Summer group Oolitic Limestones layer 271 is connected, wherein the first water supply bottle 11 is used for the lateral runoff for simulating lower floor summer karst water system
Supply, the second water supply bottle 12 are used to simulate an extraneous supply of summer karst water system reception.It is arranged at the 3rd described water supply bottle 13
Interior test liquid is to be derived from the ordovician limestone karst water that field motor-pumped well extracts, and the 3rd described water supply bottle 13 passes through the 3rd pipe
Road 131 is connected with the first Ordovician period dolomitic limestone layer 273 in the first cavity 23, for simulating upper strata karst water system
Lateral runoff supply.The test liquid being arranged in the 4th described water supply bottle 14 is rainwater, surface water or sewage, and is arranged at institute
The 4th pipeline 141 on the 4th water supply bottle 14 stated is located at the top of the seepage tank 21, the side wall of the 4th described pipeline 141
On be provided with several leaking holes, as a kind of embodiment, the length of the 4th pipeline 141 is described in the present embodiment
30cm.When the test liquid in the 4th described water supply bottle 14 is rainwater or surface water, simulated precipitation (river) supply top is dived
Water water-bearing layer；When the test liquid in the 4th described water supply bottle 14 is sewage, stain disease seepage caused by blowdown irrigation canals and ditches is simulated
Supply.Further, in order to ensure that the water at fracture belt will not overflow above fracture belt, first water supply bottle 11, second
It is respectively arranged with overfall control delivery head on water supply bottle 12, the 3rd water supply bottle 13 and the 4th water supply bottle 14, and described the
One water supply bottle 11, the second water supply bottle 12, the 3rd water supply bottle 13 and the 4th water supply bottle 14 have been respectively arranged below lifting platform (in figure
It is not shown) delivery head is finely tuned, described lifting platform uses lifting platform of the prior art, will not be repeated here.As
A kind of embodiment, in the present embodiment, the first described water supply bottle 11, the second water supply bottle 12 and the 4th water supply bottle 14 overflow
Height of the head piece away from the bottom of seepage tank 21 is 170cm, height of the overfall away from the bottom of seepage tank 21 of the 3rd described water supply bottle 13
Spend for 150cm.Further, because Ordovician period dolomitic limestone karst water increment is big, therefore the 3rd pipeline 131 is straight
Footpath is more than the first described pipeline 111, the pipeline 141 of second pipe 121 and the 4th.As a kind of embodiment, this implementation
In example, a diameter of described the first pipeline 111, second pipe 121 and the diameter of the 4th pipeline 141 of the 3rd described pipeline 131
2 times.Further, set respectively on the first described pipeline 111, second pipe 121, the 3rd pipeline 131 and the 4th pipeline 141
It is equipped with valve 6 and flowmeter 7.
It is current Universal Problems that quality of water environment, which deteriorates, underground water pollution caused by repair human factor, in such as Fig. 4
Shown in Fig. 7, drinking-water pipe 3, and the bottom of the drinking-water pipe 3 and the 3rd water barrier 292 are provided with described cover plate 26
Upper surface be in contact, the upper end of described drinking-water pipe 3 is connected with water pump, as a kind of embodiment, in the present embodiment
Described water pump uses WQY300 type micro pumps, maximum 2 meters of suction of drawing water, and adapter is using endoporusSoft glue
Pipe.The lower semisection of the drinking-water pipe 3 is provided with several leaking holes, and the part of leaking hole is provided with described drinking-water pipe 3
Outside be enclosed with the filter screens of 80 mesh.As a kind of embodiment, the length of the drinking-water pipe 3 described in the present embodiment is
60cm, diameter 15mm, and the axis of the drinking-water pipe 3 is located in the plane of symmetry of the seepage tank 21, the drinking-water pipe 3 arrives seepage flow
The distance between front end of groove 21 is 150cmm, a diameter of 2mm of the leaking hole.
As shown in figures 1 to 6, the rear end of the seepage tank 21 is provided with three L-shaped intake pipes, and respectively second takes
Water pipe 52, the 3rd intake pipe 53 and the first intake pipe 51, and the second described intake pipe 52, the 3rd intake pipe 53 and the first water intaking
The upper end of pipe 51 is concordant with the rear end of the seepage tank 21 respectively.Wherein described the 3rd intake pipe 53 and the first intake pipe 51
Bottom surface of the lower end respectively with seepage tank 21 is in contact, and the first described intake pipe 51 is located at the 3rd summer group Oolitic Limestones layer
Several apertures are provided with part in 291 and are 2mm leaking hole, and the filter screen of 80 mesh is coated with outside it, for simulating
Pressure-bearing karst water system drains spring；Several are provided with the part being entirely located in seepage tank 21 of 3rd intake pipe 53
Aperture is 2mm leaking hole, and its outer wrap has the filter screen of 80 mesh, and spring is drained for simulated dual karst water system.Described
The bottom of second intake pipe 52 is in contact with the upper surface of the 3rd described water barrier 292, second intake pipe 52 it is whole
The leaking hole that several apertures are 2mm is provided with the part in seepage tank 21, and its outer wrap has the filter screen of 80 mesh,
Spring is drained for simulated diving karst water system.Further, the second described intake pipe 52, the 3rd intake pipe 53 and first take
Scale and valve 6 are respectively arranged with water pipe 51, so, during experiment, the second described intake pipe the 52, the 3rd water intaking
The intake pipe 51 of pipe 53 and first can also work as pressure-measuring pipe and use.
In order to facilitate observation with the change of the increase head of water flow distance, and influence of the fracture belt to head, such as Fig. 5
It is shown, the first pressure-measuring pipe 41, the second pressure-measuring pipe 42, the 3rd pressure-measuring pipe the 43, the 4th are respectively arranged with described seepage tank 21 and is surveyed
Pressure pipe 44, the 5th pressure-measuring pipe 45, the 6th pressure-measuring pipe 46, the 7th pressure-measuring pipe 47, the 8th pressure-measuring pipe 48.The first wherein described pressure measurement
Forward and backward both ends of the pressure-measuring pipe 43 of pipe 41 and the 3rd respectively with first described summer group Oolitic Limestones layer 271 are connected, described
Second pressure-measuring pipe 42 and the 4th the pressure-measuring pipe 44 forward and backward both ends phase with the first described Ordovician period dolomitic limestone layer 273 respectively
Connection, the 5th described pressure-measuring pipe 45 and the 7th pressure-measuring pipe 47 respectively with before the 3rd described summer group Oolitic Limestones layer 291,
Both ends are connected afterwards, the 6th described pressure-measuring pipe 46 and the 8th pressure-measuring pipe 48 respectively with the 3rd described Ordovician period dolomitic limestone
The forward and backward both ends of layer 293 are connected.Further, the first described pressure-measuring pipe 41, the second pressure-measuring pipe 42, the 3rd pressure-measuring pipe 43,
4th pressure-measuring pipe 44, the 5th pressure-measuring pipe 45, the 6th pressure-measuring pipe 46, the 7th pressure-measuring pipe 47, the upper end of the 8th pressure-measuring pipe 48 are above
The upper end of relevant position seepage tank 21, lower end are respectively arranged with intake, valve 6 are provided with described intake.Thus
The liquid of diverse location can be sampled.
As a kind of embodiment, in the present embodiment, described seepage tank 21, drinking-water pipe 3, the second intake pipe 52,
3rd intake pipe 53 and the first intake pipe 51 are made using transparent lucite.Described the first pressure-measuring pipe 41,
Two pressure-measuring pipes 42, the 3rd pressure-measuring pipe 43, the 4th pressure-measuring pipe 44, the 5th pressure-measuring pipe 45, the 6th pressure-measuring pipe 46, the 7th pressure-measuring pipe 47,
8th pressure-measuring pipe 48 is made using flexible pipe for medical purpose.
Embodiment two
Lower floor's fine sand 282, flour sand and upper strata fine sand 282 are disposed with the second described cavity 24 from the bottom up, is used
In simulation fracture belt, remaining structure is the same as embodiment one.
Embodiment three
Lower floor's silt, silty clay and upper strata silt are disposed with from the bottom up in the second described cavity 24, are used for
Fracture belt is simulated, remaining structure is the same as embodiment one.
The double aqueous system supply sources of karst include following steps with contamination control analogue means and analogy method：
The first step, test liquid and percolating medium are prepared, specifically,
A1, a summer group Oolitic Limestones, shale, the percussion of Ordovician period dolomitic limestone are crushed respectively, it is 2mm- to make particle diameter
3mm, then by silty clay and shale rubble according to 3:7 mixing, summer group Oolitic Limestones, shale and a silty clay are mixed successively
Soil, Ordovician period dolomitic limestone are closed according to the height filling of regulation, then loads middle sand and fine sand 282 according to the height of regulation
To between two flase floors 22；
A2, summer group limestone karst water, surface water, ordovician limestone karst water and sewage used into 0.45um micropores respectively
Membrane filtration cleans.
Second step, according to the analogue means structural representation shown in Fig. 1 to Fig. 7, experimental provision is assembled, closes all valves
6, and a summer group limestone karst water is set in the first water supply bottle 11, surface water is set in the second water supply bottle 12, and the 3rd supplies water
Ordovician limestone karst water is set in bottle 13, surface water is set in the 4th water supply bottle 14.
3rd step, the mixing ratio of sunykatuib analysis discharge area Source Of Supply, concrete operations are as follows：
B1, the valve 6 of the first water supply bottle 11 of opening supply water into seepage tank 21, flow Q1, until the reclaimed water of seepage tank 21
Face highly reaches 40cm, closes the valve 6 of the first water supply bottle 11；
B2, the valve 6 of the 3rd water supply bottle 13 of opening supply water into seepage tank 21, flow Q3, until the reclaimed water of seepage tank 21
Face highly reaches 100cm, then opens the valve 6 of the first water supply bottle 11, and now, the first water supply bottle 11, the 3rd water supply bottle 13 are simultaneously
Supply water；
B3, the valve 6 for opening the second intake pipe 52 and the first intake pipe 51, observe the second intake pipe 52 and the first intake pipe
Height of water level in 51, if the height of water level of the first intake pipe 51 is less than the height of water level of the second intake pipe 52, then reduce the 3rd and supply
The flow of water bottle 13, increase the flow of the first water supply bottle 11, make the second intake pipe 52 and the first intake pipe 51 while have percolating fluid
Outflow, and the flow for recording now the first water supply bottle 11 is Q1 ', the flow of the 3rd water supply bottle 13 is Q3 '；
B4, continue to increase the flow of the 3rd water supply bottle 13, until groundwater level height is close on fracture belt in seepage tank 21
End height, then observes the water level of each pressure-measuring pipe, and every 30 minutes the second intake pipes 52 of observation and the first intake pipe 51
Flow, registration water level, flow and observation time, until water level, flow are basicly stable；
B5, the valve 6 for opening the 3rd intake pipe 53, while the flow of the 3rd water supply bottle 13 is increased again, make in seepage tank 21
Groundwater level is stable in step b4 height, keeps overflowing without diving at the top fracture belt of seepage tank 21, then every 30 points
Clock observes the flow of each intake pipe, while observes the water level of each pressure-measuring pipe, until water level, stability of flow.
4th step, the karst water system discharge area groundwater resources that sunykatuib analysis different water cut layer obtains after extraneous supply mix
The change of composition and division in a proportion, Ordovician period karst water system is by different water cut system discharge area water quality variance after artificial sewage leakage pollution
According to, and contaminated double karst water systems itself repair ability, concrete operations are as follows：
C1, electrical conductivity, temperature, pH and the NO for determining first and third water supply bottle3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、
Ca2+、Mg2+The initial value of concentration, meanwhile, Q1, Q3 are measured；
C2, the valve 6 for opening the first water supply bottle 11 and the 3rd water supply bottle 13, and make the first water supply bottle 11 and the 3rd water supply bottle
13 flow is identical with the flow in step b3, respectively Q1 ' and Q3 ', after the stable level of each pressure-measuring pipe, every
120min observes the water level of each pressure-measuring pipe, determined every 30min the volume of the water seepage of each intake pipe, electrical conductivity, temperature,
PH value, the NO of each intake pipe diffusate was determined every 2 hours3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+Ion
Concentration, and record sample time and test result, diffusate sampling observation time continues 36 hours；
C3, after 36 hours, valve 6 is adjusted, and is measured by flowmeter 7, the flow of the first water supply bottle 11 is reduced 5%,
The valve 6 of the second water supply bottle 12 is opened, and keeps its flow to be seen equal to the flow of the reduction of the first water supply bottle 11 every 120min
The water level of each pressure-measuring pipe is surveyed, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, often
Every the NO for the diffusate that 1 hour determines each intake pipe3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+Ion it is dense
Degree, records sample time and test result, observation time continue 36 hours；
C4, after 36 hours, valve 6 is adjusted, and is measured by flowmeter 7, the flow of the 3rd water supply bottle 13 is reduced 5%,
The valve 6 of the 4th water supply bottle 14 is opened, and the flow of the 4th water supply bottle 14 is equal to the flow of the reduction of the 3rd water supply bottle 13, every
120min observes the water level of each pressure-measuring pipe, determined every 30min the volume of the water seepage of each intake pipe, electrical conductivity, temperature,
PH value, every the NO for the diffusate that 1 hour determines each intake pipe3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+'s
Concentration, records sample time and test result, and sampling observation time continues 48 hours；
C5, after 48 hours, keep the flow of the 4th water supply bottle 14 constant, the test liquid of the 4th water supply bottle 14 is replaced by often
The sewage containing chromium seen, concentration C0, the water level of each pressure-measuring pipe is observed every 120min, each water intaking is determined every 30min
Volume, electrical conductivity, temperature, the pH value of the water seepage of pipe, every the NO for the diffusate that 1 hour determines each intake pipe3 -、SO4 2-、
Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result sampling observation duration
48 hours；
C6, after 48 hours, the valve 6 of second, four water supply bottles is closed, and make the first water supply bottle 11 and the 3rd water supply bottle 13
Flow is identical with the flow in step b3, respectively Q1 ' and Q3 ', and the water level of each pressure-measuring pipe is observed every 120min, every
30min determines volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe, and each intake pipe was determined every 1 hour
The NO of diffusate3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test are tied
Fruit, diffusate sampling observation time continue 48 hours；
C7, to adjust the first water supply bottle 11 and the reduction ratio of the 3rd water supply bottle 13 respectively be 10%, 15%, 20% and
25%, then repeatedly c3-c6 operation.
Double karst water system pollutions are quickly repaired in 5th step, simulation manual intervention
D1, water pump is opened, draw water 0.3 liter/min of flow, draws water lasting 24 hours；
D2, while pumping for water pump, observe the water level of each pressure-measuring pipe every 30min, take every 30min measure is each
Volume, electrical conductivity, temperature, the pH value of the water seepage of water pipe, every the NO for the diffusate that 30 minutes determine each intake pipe3 -、
SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result；
D3, change the flow that draws water of water pump respectively as 0.4,0.5,0.6,08,1.0,1.2 liter/min, then repeatedly d1 and
D2 operation.
6th step, simulation fracture belt mix the shadow of when water pollution to double karst water system discharge areas recharge of ground water
Ring, concrete operations are：The filling material in Turbogrid plates is changed,
E1, the fine sand 282 in step a1 is changed to flour sand, while middle sand is changed to fine sand 282, then repeatedly the 4th step and
The operation of 5th step；
E2, the flour sand in step e1 is changed to silty clay, while fine sand 282 is changed to silt, then repeatedly the 4th step
With the operation of the 5th step.
7th step, is analyzed experimental data
F1, differentiate stratum and fracture belt water transmitting ability, calculate the supply mixed proportion of discharge area underground water；
The water level and flow observed by step b4, b5 and step c3, c4, c5, calculate double Karst aquifer system discharge areas
The mixing ratio of Source Of Supply, its relational expression are as follows：
In formula, Q1, Q2, Q3, Q4 are respectively the flow of first, second, third and fourth water supply bottle, (m3/s)；
S1, S2, S3 are respectively the flow (m of first, second and third intake pipe3/s)；
A1, A2 are upper and lower aqueous system flow section area (m2)；
L3-4, L7-8 are between the 5th pressure-measuring pipe 45 and the 7th pressure-measuring pipe 47, the 6th pressure-measuring pipe 46 and the 8th pressure-measuring pipe 48
Distance (m)；
γ 1, γ 2, γ 3, γ 4 are respectively the supply ratio (%) of Q1, Q2, Q3, Q4 to the flow of the first intake pipe 51；
β 1, β 2, β 3, β 4 are respectively the supply ratio (%) of Q1, Q2, Q3, Q4 to the flow of the second intake pipe 52；
K1, K2 are the infiltration coefficient (m/d) of upper and lower aqueous system；
F2, according to the obtained different time of the electrical conductivity of the obtained water seepages of step c1-c7, temperature, pH and step e1
The infiltration coefficient of double aqueous system limestone, draw infiltration coefficient, electrical conductivity, water temperature duration curve.
K in diving, artesian water, mixing water diffusate in f3, the double karst water systems obtained according to step c1-c7+、Ca2+、
Na+、Cr6+、Mg2+、Cl-、NO3 -、SO4 2-、HCO3 -Ion concentration, draw ion concentration and last change curve, disclose spring not
With the mixing ratio of Source Of Supply.
SO in diving, artesian water, mixing water diffusate in f4, the double karst water systems obtained according to step c1-c74 2-、
Ca2+、Cl-、K+、Na+、HCO3 -、Mg2+Ion concentration, pass through piper trilinear charts, phreeqc simulation softward simulated dual karst waters
Immixture that aqueous system is occurred with the time, ion exchange, suction-operated；
F5, water temperature in diffusate, pH, Cl obtained according to step c1-c7-、NO3 -、SO4 2-、HCO3 -、K+、Ca2+、Na+、Cr6+、
Mg2+Ion concentration, calculate the judgement that double karst water system Minerals relatively descend water saturation state；
F6, according to Cr in the water seepages of the obtained different times of step c5-c66+The concentration of ion, so as to be analysis Cr6+
Contaminant transportation mechanism provides foundation.
F7, according to Cr in the water seepages of the obtained different times of step c56+The concentration duration curve of ion, with calculating the hydrology
Matter parameter, carry out Groundwater Contamination Prediction.
F8, it can be differentiated according to the data of water quality of diffusate of step d1, d2, d3, e1 and e2 each intake pipe obtained
Pumped well difference pump-out Q repairing effect, and then determine optimal pump-out.
Claims (8)
1. the double aqueous system supply sources of karst and contamination control analogue means, including water unit, seepage flow portion, pressure measurement portion and water intaking
Portion, it is characterised in that：Described seepage flow portion includes wedge shaped seepage tank, and the interior parallel of the seepage tank is provided with two lattice
Screen, several leaking holes have been uniformly arranged on described flase floor, and be enclosed with filter screen on the outside of described flase floor；
The interior zone of the seepage tank is divided into the first cavity, the second cavity by the flase floor described in two successively from front to back
With the 3rd cavity；
It is difficult to understand that first summer group Oolitic Limestones layer, the first water barrier and first are disposed with the first described cavity from the bottom up
Tao Ji dolomitic limestone layers, the 3rd summer group Oolitic Limestones layer, the 3rd are disposed with from the bottom up in the 3rd described cavity
Water barrier and the 3rd Ordovician period dolomitic limestone layer；
The first described water barrier and the 3rd water barrier are mixed using silty clay and shale chip, and the two mixing ratio
Example is 3:7；
Cover plate is provided with above described the first cavity and the second cavity；
Described water unit includes the first water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle；
The test liquid being arranged in the first described water supply bottle is a summer group limestone karst water, is arranged at described second and supplies water
Test liquid in bottle is surface water, and the first described water supply bottle and the second water supply bottle pass through the first pipeline and second pipe respectively
It is connected with first summer group Oolitic Limestones layer in the first cavity；
The test liquid being arranged in the 3rd described water supply bottle is ordovician limestone karst water, and the 3rd described water supply bottle passes through
3rd pipeline is connected with the first Ordovician period dolomitic limestone layer in the first cavity；
The test liquid being arranged in the 4th described water supply bottle is surface water or sewage, and is arranged on the 4th described water supply bottle
The 4th pipeline be located at the top of the seepage tank, be provided with several leaking holes in the side wall of the 4th described pipeline；
Overfall is respectively arranged with first water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle；
Valve and flowmeter are respectively arranged with described the first pipeline, second pipe, the 3rd pipeline and the 4th pipeline；
Drinking-water pipe is provided with described cover plate, and the bottom of the drinking-water pipe connects with the upper surface of the 3rd water barrier
Touch, the upper end of described drinking-water pipe is connected with water pump, and the lower semisection of the drinking-water pipe is provided with several leaking holes, and described
It is provided with drinking-water pipe on the outside of the part of leaking hole and is enclosed with filter screen；
The rear end of the seepage tank is respectively arranged with the first L-shaped intake pipe, the second intake pipe and the 3rd intake pipe, and described
The second intake pipe, the upper end of the 3rd intake pipe and the first intake pipe it is concordant with the rear end of the seepage tank respectively；
The 3rd described intake pipe and the lower end of the first intake pipe are in contact with the bottom surface of seepage tank respectively, first intake pipe
Be provided with several leaking holes, and the position of the first described intake pipe on the part in the 3rd summer group Oolitic Limestones layer
Filter screen is coated with the outside of the part in the 3rd summer group Oolitic Limestones layer, the 3rd intake pipe is located in seepage tank
Several leaking holes are provided with part, and the outer wrap of the part in seepage tank of the 3rd intake pipe has filter
Net；
The bottom of the second described intake pipe is in contact with the upper surface of the 3rd described water barrier, the position of second intake pipe
In being provided with several leaking holes on the part in seepage tank, and the part in seepage tank of second intake pipe is outer
Portion is enclosed with filter screen；
Scale and valve are respectively arranged with described the first intake pipe, the second intake pipe and the 3rd intake pipe；
The first pressure-measuring pipe, the second pressure-measuring pipe, the 3rd pressure-measuring pipe, the 4th pressure-measuring pipe, the 5th are respectively arranged with described seepage tank
Pressure-measuring pipe, the 6th pressure-measuring pipe, the 7th pressure-measuring pipe, the 8th pressure-measuring pipe；
The first described pressure-measuring pipe and the 3rd the pressure-measuring pipe forward and backward both ends phase with first described summer group Oolitic Limestones layer respectively
Connection, the second described pressure-measuring pipe and the 4th pressure-measuring pipe respectively with the first described Ordovician period dolomitic limestone layer forward and backward two
End is connected, and the 5th described pressure-measuring pipe and the 7th pressure-measuring pipe are forward and backward with the 3rd described summer group Oolitic Limestones layer respectively
Both ends are connected, the 6th described pressure-measuring pipe and the 8th pressure-measuring pipe respectively with the 3rd described Ordovician period dolomitic limestone layer
Forward and backward both ends are connected；
Described the first pressure-measuring pipe, the second pressure-measuring pipe, the 3rd pressure-measuring pipe, the 4th pressure-measuring pipe, the 5th pressure-measuring pipe, the 6th pressure-measuring pipe,
7th pressure-measuring pipe, the upper end of the 8th pressure-measuring pipe are above the upper end of relevant position seepage tank, and lower end is respectively arranged with intake, institute
Valve is provided with the intake stated.
2. the double aqueous system supply sources of karst according to claim 1 and contamination control analogue means, it is characterised in that：Institute
The height for stating the front end of seepage tank is 160cm, and the width of the seepage flow front of the slot is 80cm, and the height of the seepage tank rear end is
100cm, the width of the seepage tank rear end is 30cm, and the length of the seepage tank is 200cm；
Flase floor described in two tilts rearwardly and upwardly, and the angle of inclination of described flase floor and seepage flow groove bottom is 75 °, position
In the distance between the lower end of the flase floor of front end and seepage flow front of the slot be 100cm, positioned at rear end flase floor lower end with oozing
The distance between chute front end is 110cm；
The length of 4th pipeline is 30cm；
Height of the overfall away from seepage flow trench bottom of described the first water supply bottle, the second water supply bottle and the 4th water supply bottle is 170cm,
Height of the overfall away from seepage flow trench bottom of the 3rd described water supply bottle is 150cm；
The length of described drinking-water pipe is 60cm, diameter 15mm, and the axis of the drinking-water pipe is located at the symmetrical of the seepage tank
In face, the distance between described drinking-water pipe to seepage flow front of the slot is 150cm；
2 times of a diameter of the first described pipeline of the 3rd described pipeline, second pipe and the 4th pipe diameter；
The thickness of first described summer group Oolitic Limestones layer is 20cm, and the thickness of the first described water barrier is 20cm, described
The first Ordovician period dolomitic limestone layer top of seepage tank is extended to from the upper surface of first water barrier；
The thickness of the 3rd described summer group Oolitic Limestones layer is 40cm, and the thickness of the 3rd described water barrier is 20cm, described
The 3rd Ordovician period dolomitic limestone layer top of seepage tank is extended to from the upper surface of the 3rd water barrier；
A diameter of 2mm of the leaking hole, and the spacing between the adjacent leaking hole on the described flase floor is 5cm, institute
The filter screen stated is 80 mesh.
3. the double aqueous system supply sources of karst according to claim 2 and contamination control analogue means, it is characterised in that：Institute
Be disposed with sand in lower floor, sand in fine sand and upper strata in the second cavity stated from the bottom up, and in described lower floor sand thickness
Spend for 30cm, the thickness of described fine sand is 20cm, and sand extends to seepage tank from the upper surface of the fine sand in described upper strata
Top.
4. the double aqueous system supply sources of karst according to claim 2 and contamination control analogue means, it is characterised in that：Institute
Lower floor's fine sand, flour sand and upper strata fine sand, and the thickness of described lower floor's fine sand are disposed with the second cavity stated from the bottom up
Spend for 30cm, the thickness of described flour sand is 20cm, and described upper strata fine sand extends to seepage tank from the upper surface of the flour sand
Top.
5. the double aqueous system supply sources of karst according to claim 2 and contamination control analogue means, it is characterised in that：Institute
Lower floor's silt, silty clay and upper strata silt, and described lower floor's silt are disposed with the second cavity stated from the bottom up
Thickness be 30cm, the thickness of described silty clay is 20cm, and described upper strata silt is from the upper surface of the silty clay
Extend to the top of seepage tank.
6. the double aqueous system supply sources of karst according to claim 1 and contamination control analogue means, it is characterised in that：Institute
Seepage tank, drinking-water pipe, the second intake pipe, the 3rd intake pipe and the first intake pipe stated made using transparent lucite and
Into, and described seepage tank is made using double-deck lucite, the first described pressure-measuring pipe, the second pressure-measuring pipe, the 3rd survey
Pressure pipe, the 4th pressure-measuring pipe, the 5th pressure-measuring pipe, the 6th pressure-measuring pipe, the 7th pressure-measuring pipe, the 8th pressure-measuring pipe are made using flexible pipe for medical purpose
Form.
7. the double aqueous system supply sources of karst according to claim 1 and contamination control analogue means, it is characterised in that：Institute
The first water supply bottle, the second water supply bottle, the 3rd water supply bottle and the 4th water supply bottle stated have been respectively arranged below lifting platform.
8. a kind of analogy method using the double aqueous system supply sources of karst described in claim 3 and contamination control analogue means,
It is characterized in that：
Comprise the following steps：
The first step, test liquid and percolating medium are prepared, specifically,
A1, a summer group Oolitic Limestones, shale, the percussion of Ordovician period dolomitic limestone are crushed respectively, make particle diameter be 2mm-3mm, so
Afterwards by silty clay and shale rubble according to 3:7 mixing, successively will summer group Oolitic Limestones, shale and a silty clay composite soil,
Ordovician period dolomitic limestone is loaded according to the height of regulation, and middle sand and fine sand then are filled into two lattice according to the height of regulation
Between screen；
A2, summer group limestone karst water, surface water, ordovician limestone karst water and sewage will be opened respectively with 0.45 μm of miillpore filter
Filtering and impurity removing；
Second step, experimental provision is assembled, closes all valves, and a summer group limestone karst water is set in the first water supply bottle,
Surface water is set in the second water supply bottle, ordovician limestone karst water is set in the 3rd water supply bottle, earth's surface is set in the 4th water supply bottle
Water；
3rd step, the mixing ratio of sunykatuib analysis discharge area Source Of Supply, concrete operations are as follows：
B1, the valve of the first water supply bottle of opening supply water into seepage tank, flow Q1, until water surface elevation reaches in seepage tank
40cm, close the first water supply bottle valve；
B2, the valve of the 3rd water supply bottle of opening supply water into seepage tank, flow Q3, until water surface elevation reaches in seepage tank
100cm, then the valve of the first water supply bottle is opened, now, the first water supply bottle, the 3rd water supply bottle supply water simultaneously；
B3, the valve for opening the second intake pipe and the first intake pipe, height of water level in the second intake pipe and the first intake pipe is observed,
If the first intake pipe height of water level is less than the second intake pipe height of water level, then reduces the flow of the 3rd water supply bottle, increase the
The flow of one water supply bottle, make the second intake pipe and the first intake pipe while have percolating fluid outflow, and record now the first water supply bottle
Flow be Q1 ', the flow of the 3rd water supply bottle is Q3 '；
B4, continue to increase the flow of the 3rd water supply bottle, until groundwater level height is close to fracture belt upper end level in seepage tank, so
Observe the water level of each pressure-measuring pipe afterwards, and every 30 minutes the second intake pipes of observation and the flow of the first intake pipe, registration water level,
Flow and observation time, until water level, flow are basicly stable；
B5, the valve for opening the 3rd intake pipe, while the flow of the 3rd water supply bottle is increased again, make groundwater level in seepage tank stable
In step b4 height, keep overflowing without diving at fracture belt above seepage tank, then observed each water intaking every 30 minutes
The flow of pipe, while the water level of each pressure-measuring pipe is observed, until water level, stability of flow；
4th step, sunykatuib analysis different water cut layer obtain the karst water system discharge area groundwater resources mixing ratio after extraneous supply
Change, Ordovician period karst water system by after artificial sewage leakage pollution different water cut system discharge area water quality make a variation data, with
And contaminated double karst water systems itself repair ability, concrete operations are as follows：
C1, electrical conductivity, temperature, pH and the NO for determining first and third water supply bottle3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、
Mg2+The initial value of concentration, meanwhile, Q1, Q3 are measured；
C2, the valve for opening the first water supply bottle and the 3rd water supply bottle, and make the flow and step of the first water supply bottle and the 3rd water supply bottle
Flow in rapid b3 is identical, respectively Q1 ' and Q3 ', and after the stable level of each pressure-measuring pipe, each survey is observed every 120min
The water level of pressure pipe, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, surveyed every 2 hours
The NO of fixed each intake pipe diffusate3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, and record and take
Sample time and test result, diffusate sampling observation time continue 36 hours；
C3, after 36 hours, valve is adjusted, and measured by flowmeter, the flow of the first water supply bottle is reduced 5%, open second
The valve of water supply bottle, and keep its flow to observe each pressure-measuring pipe every 120min equal to the flow of the reduction of the first water supply bottle
Water level, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, it is each every 1 hour measure
The NO of the diffusate of individual intake pipe3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, when record samples
Between and test result, observation time continue 36 hours；
C4, after 36 hours, valve is adjusted, and measured by flowmeter, the flow of the 3rd water supply bottle is reduced 5%, open the 4th
Water supply bottle valve, and the flow of the 4th water supply bottle is observed equal to the flow of the reduction of the 3rd water supply bottle every 120min each
The water level of pressure-measuring pipe, volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe are determined every 30min, every 1 hour
Determine the NO of the diffusate of each intake pipe3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+Concentration, record sampling
Time and test result, sampling observation time continue 48 hours；
C5, after 48 hours, keep the flow of the 4th water supply bottle constant, the test liquid of the 4th water supply bottle is replaced by and common contains chromium
Sewage, concentration C0, the water level of each pressure-measuring pipe is observed every 120min, oozing out for each intake pipe is determined every 30min
Volume, electrical conductivity, temperature, the pH value of water, every the NO for the diffusate that 1 hour determines each intake pipe3 -、SO4 2-、Cl-、HCO3 -、
K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result, sampling 48 hours duration of observation；
C6, after 48 hours, the valve of second, four water supply bottles is closed, and make the flow and step of the first water supply bottle and the 3rd water supply bottle
Flow in rapid b3 is identical, respectively Q1 ' and Q3 ', observes the water level of each pressure-measuring pipe every 120min, is determined every 30min
Volume, electrical conductivity, temperature, the pH value of the water seepage of each intake pipe, every the diffusate that 1 hour determines each intake pipe
NO3 -、SO4 2-、Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result, diffusate
Sampling observation time continues 48 hours；
C7, to adjust the first water supply bottle and the reduction ratio of the 3rd water supply bottle respectively be 10%, 15%, 20% and 25%, Ran Houchong
Multiple c3-c6 operation；
Double karst water system pollutions are quickly repaired in 5th step, simulation manual intervention
D1, water pump is opened, draw water 0.3 liter/min of flow, draws water lasting 24 hours；
D2, while pumping for water pump, observe the water level of each pressure-measuring pipe every 30min, each intake pipe determined every 30min
Water seepage volume, electrical conductivity, temperature, pH value, every the NO for the diffusate that 30 minutes determine each intake pipe3 -、SO4 2-、
Cl-、HCO3 -、K+、Na+、Cr6+、Ca2+、Mg2+The concentration of ion, record sample time and test result；
D3, change the flow that draws water of water pump respectively as 0.4,0.5,0.6,0.8,1.0,1.2 liter/min, then repeatedly d1 and d2
Operation；
6th step, simulation fracture belt mix the influence of when water pollution, tool to double karst water system discharge areas recharge of ground water
Gymnastics conduct：The filling material in Turbogrid plates is changed,
E1, the fine sand in step a1 is changed to flour sand, while middle sand is changed to fine sand, then the repeatedly behaviour of the 4th step and the 5th step
Make；
E2, the flour sand in step e1 is changed to silty clay, while fine sand is changed to silt, then repeatedly the 4th step and the 5th step
Operation.
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