CN107063941A - A kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ - Google Patents
A kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ Download PDFInfo
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- CN107063941A CN107063941A CN201710217667.0A CN201710217667A CN107063941A CN 107063941 A CN107063941 A CN 107063941A CN 201710217667 A CN201710217667 A CN 201710217667A CN 107063941 A CN107063941 A CN 107063941A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 76
- 238000009792 diffusion process Methods 0.000 title claims abstract description 50
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 44
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 44
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000012360 testing method Methods 0.000 claims abstract description 52
- 239000011435 rock Substances 0.000 claims abstract description 41
- 238000004088 simulation Methods 0.000 claims abstract description 40
- 238000010079 rubber tapping Methods 0.000 claims abstract description 22
- 230000008595 infiltration Effects 0.000 claims abstract description 20
- 238000001764 infiltration Methods 0.000 claims abstract description 20
- 239000003673 groundwater Substances 0.000 claims abstract description 17
- 239000004058 oil shale Substances 0.000 claims abstract description 13
- 239000003245 coal Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 10
- 238000011109 contamination Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003077 lignite Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0023—Investigating dispersion of liquids
- G01N2015/0034—Investigating dispersion of liquids in solids
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ, belong to pyrolytic reaction pollutant diffusion And Movement technical field, it includes hydraulic analogue system, ground temperature crustal stress simulation system, pollutant diffusion And Movement simulation system, and the hydraulic analogue system is made up of gas, gas boosting pump, pressure regulator valve, pressure gauge, intake valve, water tank, water compensating valve, water intaking valve;The ground temperature crustal stress simulation system, is made up of insulating box, servo-pressing machine, pressure sensor;The pollutant diffusion And Movement simulation system, including water tank, pyrolysis rock stratum microscope carrier, infiltration liquid case, adjacent pervious bed microscope carrier, tapping valve, liquid trap, water compensating valve.It is in instant invention overcomes existing experimental rig without restrained condition, to test specimen without loading, do not focus on the shortcoming and defect of ground temperature environment and Groundwater Flow state, feasibility test research is carried out to the original position such as oil shale and low-disintegration coal pyrolysis pollutant diffusion And Movement in the underground water of hundreds of meters of underground depths.
Description
Technical field
A kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ of the present invention, is mainly used in oily page
The original position such as rock and low-disintegration coal pyrolysis exploiting field groundwater pollution simulation research, fortune is spread for research Pyrolysis Contamination thing in underground water
Move rule and test data is provided.
Background technology
The exploitation of in-situ heat solution is to buried target ore bed to be directly injected into pyrolyzation fluid by heat injection well, using inject fluid with
The physics chemical action occurred between ore bed useful constituent, makes target ore bed useful constituent be pyrolyzed in the original location, most has at last
Fluid is converted into component, a kind of mining methods on ground are then extracted into by producing well.With traditional mining type phase
Than, it is not necessary to mineral products digging to earth's surface can just be obtained into resource, few with technological process, cost is low, coefficient of mining is high, taken up an area few
Advantage, be the important way of the exploitation such as following oil shale and low-disintegration coal.
Although the exploitation of in-situ heat solution has above-mentioned advantage, pyrolysis can cause the permeability of oil shale and low-disintegration coal to occur
Great variety, heavy metal, the organic pollution for being changed into producing in pervious bed, pyrolytic process from water barrier etc. can enter adjacent contain
In water layer, underground water pollution is caused.Pyrolysis in situ descends water pollution research seldom over the ground at present, and is based primarily upon stagnant water immersion examination
Test, this has crustal stress and hydraulic condition grave fault with exploiting field original position, obtained experimental result differs larger with truth.Exploitation
The pollutant diffusion And Movement experimental rig of energy simulated ground stress and hydraulic pressure has heavy to true reflection exploiting field underground water pollution in situ
Want meaning.
The content of the invention
A kind of simulation original position of the present invention is pyrolyzed pollutant purpose of the experimental rig of diffusion And Movement in underground water and is, gram
The defect and deficiency of the traditional soak test method of clothes can effectively simulate original ground temperature, crustal stress and hydraulic condition there is provided one kind
Under exploiting field underground water pollutant diffusion And Movement experimental rig, can be Transport of the research Pyrolysis Contamination thing in underground water
Reliable test data is provided.
A kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ, it is characterised in that including hydraulic pressure
Simulation system, ground temperature crustal stress simulation system, pollutant diffusion And Movement simulation system, the hydraulic analogue system is by gas, gas
Body booster pump, pressure regulator valve, pressure gauge, intake valve, the first water tank, the second water tank, water compensating valve, water intaking valve composition, gas is by increasing
Press pump is pressurized, and adjusts required pressure by pressure regulator valve and pressure gauge, passes through intake valve, the first water tank, water intaking valve and pressure
Power table is by water cycle factors into the second water tank;Water body is supplemented the water in the first water tank by water compensating valve.
The hydraulic analogue system, by the way that gases at high pressure are injected into water tank, by pressure transmission, is loaded not to test specimen
Same hydraulic pressure, to simulate the true groundwater environment of the preservation such as oil shale and low-disintegration coal layer.Gas is increased by booster pump
Pressure, pressure needed for being adjusted by pressure regulator valve and pressure gauge, is passed hydraulic pressure by intake valve, the first water tank, water intaking valve and pressure gauge
It is handed in the second water tank.Water body is supplemented the water in the first water tank by water compensating valve.
The ground temperature crustal stress simulation system, passes through the gentle crustal stress condition of insulating box and servo-pressing machine simulation ground.Institute
Ground temperature crustal stress simulation system is stated to be made up of insulating box, servo-pressing machine, pressure sensor.Heat is opposite to by servo-pressing machine
Solve the pyrolysis formation sample in the microscope carrier of rock stratum and carry out axle pressure and confined pressure loading, tried by pressure sensor putting on pyrolysis rock stratum
The axle pressure and confined pressure of part are precisely monitored, and the permeable stratum sample in adjacent pervious bed microscope carrier is opposite to by servo-pressing machine
Axle pressure and confined pressure loading are carried out, the axle for putting on permeable stratum sample is pressed by pressure sensor and confined pressure is precisely supervised
Control, heated at constant temperature is carried out by insulating box to pyrolysis rock stratum test specimen and permeable stratum sample.
Pollutant diffusion And Movement simulation system, by the way that the water body note with hydraulic pressure is implanted sequentially into pyrolysis rock stratum test specimen and saturating
In water formation sample, to simulate diffusion And Movement of the Pyrolysis Contamination thing in underground water.Pollutant diffusion And Movement simulation system is by water
Case, pyrolysis rock stratum microscope carrier, infiltration liquid case, adjacent pervious bed microscope carrier, infiltration liquid case, tapping valve, liquid trap, water compensating valve, fastening spiral shell
Bolt is constituted, and pyrolysis rock stratum test specimen is placed in pyrolysis rock stratum microscope carrier, and pyrolysis rock stratum microscope carrier uses flange arrangement and close with fastening bolt
Envelope, permeable stratum test specimen is placed in adjacent pervious bed microscope carrier, and adjacent pervious bed microscope carrier uses flange arrangement and close with fastening bolt
Envelope, under hydraulic pressure effect, water body enters pyrolysis rock stratum microscope carrier formation contaminated liquid from water tank, and contaminated liquid enters infiltration liquid case, passed through
Tapping valve gathers penetrating fluid at different height position into liquid trap, under hydraulic pressure effect, through permeating the contaminated liquid of liquid case through phase
Adjacent pervious bed microscope carrier is entered in infiltration liquid case, is gathered penetrating fluid at different height position into liquid trap by tapping valve,
Penetrating fluid is collected into liquid trap by tapping valve.Discharge opeing threshold velocity is identical with groundwater velocity, and main function is simulation ground
The flowing running water characteristic of lower water, the main function of water compensating valve is to supplement takes the isometric water body of contaminated liquid through tapping valve, with
Reduce the error that liquid volume change is brought in infiltration liquid case.
The present invention can be under the conditions of ground temperature to test specimen loading axis pressure and confined pressure, while simulated groundwater hydraulic condition, examination
Part size is 400 × 50mm of Φ, test specimen axle pressure and confined pressure 0-20MPa, hydraulic pressure 0-10MPa, 0-80 DEG C of test specimen environment temperature, simulation
Buried depth reaches 800m geological environment.
A kind of experimental rig of above-mentioned simulation original position pyrolysis pollutant diffusion And Movement in underground water, it is characterised in that
Pyrolysis rock stratum microscope carrier and adjacent pervious bed microscope carrier can load pyrolysis rock stratum test specimen and permeable stratum test specimen, sample dimensions respectively
It is 400 × 50mm of Φ.
A kind of experimental rig of above-mentioned simulation original position pyrolysis pollutant diffusion And Movement in underground water, it is characterised in that
The described axle pressure loaded to test specimen and confined pressure are 0-20MPa, and hydraulic pressure is 0-10MPa, and temperature is 0-80 DEG C.
A kind of experimental rig of above-mentioned simulation original position pyrolysis pollutant diffusion And Movement in underground water, it is characterised in that
Gas 1 in described hydraulic analogue system uses nitrogen.
A kind of test method of above-mentioned simulation original position pyrolysis pollutant experimental rig of diffusion And Movement in underground water, its
Be characterised by used device can constant-temperature high-pressure encapsulation test specimen, the ground temperature crustal stress that mineral products buried depth reaches 800m can be simulated
Pyrolysis rock stratum test specimen and permeable stratum test specimen are respectively placed in pyrolysis rock stratum microscope carrier and phase by the device of hydraulic condition, this method first
In adjacent pervious bed microscope carrier, and sealed with fastening bolt;Water compensating valve, water intaking valve are opened, water tank, infiltration liquid case is full of water,
Close water compensating valve;To incubator set point target temperature, after temperature reaches setting value and stable 30min, servo-pressing machine is opened
Apply axle pressure and confined pressure to test specimen, pass through pressure sensor control pressure to setting value;Hydraulic analogue system is opened to apply test specimen
Add water pressure, hydraulic pressure is increased to setup pressure value by gas boosting pump, pressure regulator valve, pressure gauge, intake valve;Tapping valve is opened, is made
Discharge opeing threshold velocity is identical with groundwater velocity, and penetrating fluid is collected into liquid trap, on-test;In setting sampling time point,
Opening tapping valve collects contaminated liquid, when taking liquid, and the old liquid that should be first vented in tapping valve is simultaneously rinsed, afterwards, fast from each tapping valve
Speed continuously takes three samples, and the position contaminated liquid concentration value is used as using the average value of three parallel contaminated liquid sample concentrations.Each
Access after contaminated liquid finishes, to reduce the error that liquor capacity change is brought, pass through water compensating valve at once and import and the body such as the amount of accessing
Long-pending water.Diverse location contaminated liquid composition and concentration are determined by analyzing, the diffusion And Movement to Pyrolysis Contamination thing in underground water is advised
Rule is studied.
A kind of simulation of present invention pyrolysis pollutant experimental rig advantage of diffusion And Movement in underground water in situ is:With showing
There are apparatus and method to compare, the device has taken into full account the ground temperature, crustal stress, ground water pressure condition of mineral products preservation, can be to examination
Part loads 0-20MPa axle pressure and confined pressure respectively, applies 0-10MPa hydraulic pressure, 0-80 DEG C of test specimen environment temperature can simulate 800m
Geological conditions.The present invention is not only oil shale and low-disintegration coal original position pyrolysis the pollutant diffusion And Movement in underground water and tried
The significant innovation of proved recipe method and experimental rig, the groundwater environment effect that more other buried mineral products in-situ heat solution exploitations are brought is carried
Feasible experimental study method is supplied.
Brief description of the drawings
Fig. 1 is the simulation test device structural representation of pyrolysis pollutant diffusion And Movement in underground water in situ.
Label in figure:1 --- gas;2 --- gas boosting pump;3 --- pressure regulator valve;4-1 --- first pressure table;4-
2 --- first pressure table;5 --- intake valve;6-1 --- the first water tank;6-2 --- the second water tank;7-1 --- the first moisturizing
Valve;7-2 --- the second water compensating valve;7-3 --- the 3rd water compensating valve:8 --- water intaking valve;9 --- insulating box;10-1 --- first watches
Take forcing press;10-2 --- the second servo-pressing machine;11-1 --- first pressure sensor;11-2 --- second pressure is sensed
Device;12 --- pyrolysis rock stratum microscope carrier;13-1 --- the first infiltration liquid case;13-2 --- the second infiltration liquid case;14 --- it is adjacent
Water layer microscope carrier;15 --- tapping valve;16 --- liquid trap;17 --- fastening bolt.
Embodiment
This experimental rig can also simulate underground with the diffusion And Movement of oil shale in-situ Pyrolysis Contamination thing in simulated groundwater
The diffusion And Movement of lignite original position pyrolysis pollutant in water.
Shown in Fig. 1, a kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ, it is characterised in that
Including hydraulic analogue system, ground temperature crustal stress simulation system, pollutant diffusion And Movement simulation system, the hydraulic analogue system by
Gas 1, gas boosting pump 2, pressure regulator valve 3, first pressure table 4-1, intake valve 5, the first water tank 6-1, the first water compensating valve 7-1, enter
Water valve 8 is constituted;
Gas is pressurized by booster pump, and adjusts required pressure by pressure regulator valve and pressure gauge, passes through intake valve, the first water
Case, water intaking valve and pressure gauge are by water cycle factors into the second water tank 6-2;Water body is mended by water compensating valve to the water in water tank
Fill.
The ground temperature crustal stress simulation system, is made up of insulating box 9, pressure sensor, servo-pressing machine.Watched by first
Pyrolysis formation sample progress axle pressure and confined pressure loading that forcing press 10-1 is opposite in pyrolysis rock stratum microscope carrier 12 are taken, passes through the first pressure
Force snesor 11-1 is precisely monitored to the axle pressure and confined pressure that put on pyrolysis rock stratum test specimen, passes through the second servo-pressing machine
The permeable stratum sample that 10-2 is opposite in adjacent pervious bed microscope carrier 14 carries out axle pressure and confined pressure loading, is sensed by second pressure
Device 11-2 to put on permeable stratum sample axle press and confined pressure precisely monitored, by insulating box to pyrolysis rock stratum test specimen with
Permeable stratum sample carries out heated at constant temperature.
Embodiment 1:The diffusion And Movement of oil shale in-situ Pyrolysis Contamination thing in simulated groundwater
The experimental rig of present embodiment is filled using the experiment of above-mentioned simulation original position pyrolysis pollutant diffusion And Movement in underground water
Put.
Operating procedure is embodied as follows:
1st, size is respectively put into pyrolysis rock stratum microscope carrier 12 for 400 × 50mm of Φ pyrolysis oil shale test specimen and permeable stratum test specimen
In adjacent pervious bed microscope carrier 14, sealed with 17 pairs of fastening bolt pyrolysis rock stratum microscope carriers 12, adjacent permeable stratum microscope carrier 14
Sealed.
2nd, first water compensating valve 7-1 is opened, second water compensating valve 7-2 is opened, the 3rd opens water compensating valve 7-3, water intaking valve 8, making the
One water tank 6-1, the second water tank 6-2, the first infiltration liquid case 13-1, the second infiltration liquid case 13-2 are full of water, close the first water compensating valve
7-1, the second water compensating valve 7-2, the 3rd water compensating valve 7-3.
3rd, according to required simulation oil shale layer buried depth and hydrogeologic condition, temperature ring where oil shale is calculated
Border, ground stress environment and ground water pressure force environment, to the sets target temperature of insulating box 9, when temperature reaches setting value and stably
After 30min, open servo-pressing machine and apply axle pressure and confined pressure to test specimen, pass through pressure sensor control pressure to setting value;Open
Open hydraulic analogue system and hydraulic pressure is applied to test specimen, made by gas boosting pump 2, pressure regulator valve 3, first pressure table 4-1, intake valve 5
Hydraulic pressure increases to setup pressure value.
4th, according to actual hydrogeologic condition, groundwater velocity is selected, tapping valve 15 is opened, makes the flow velocity of tapping valve 15 and ground
Lower water flow velocity is identical, on-test.
5th, according to actual tests demand, setting sample time and sampling amount during sampling, open tapping valve 15 and collect contaminated liquid
Into liquid trap 16.
6th, accessing every time after contaminated liquid finishes, to reduce the error that liquor capacity change is brought, passing through water compensating valve at once
Import and water that the amount of accessing is isometric.
7th, diverse location contaminated liquid composition and concentration are determined by analyzing, research oil shale pyrolysis pollutant is in underground water
Diffusive migration rule.
Embodiment 2:The diffusion And Movement of lignite original position pyrolysis pollutant in simulated groundwater
The experimental rig of present embodiment is filled using the experiment of above-mentioned simulation original position pyrolysis pollutant diffusion And Movement in underground water
Put, it disclosure satisfy that the diffusion And Movement of pyrolysis pollutant in lignite original position in simulated groundwater, by by pyrolysis lignite test specimen and thoroughly
Water rock stratum test specimen is placed in microscope carrier, sealing, equipment is full of water, right after calorstat temperature reaches setting value and stable 30min
Test specimen applies axle pressure, confined pressure and hydraulic pressure, opens bottom tapping valve 15, makes its flow velocity identical with groundwater velocity.Hereafter, regularly open
Open right side tapping valve and access contaminated liquid at diverse location, analysis contaminated liquid composition and concentration, research lignite Pyrolysis Contamination thing is on ground
Diffusive migration rule in lower water.
In summary, present invention is mainly used for the original position such as oil shale in underground water and low-disintegration coal pyrolysis pollutant diffusion fortune
Move research.
The experimental rig can simulate the underground water under the conditions of different crustal stress conditions, temperature conditionss, groundwater pressure
Middle Pyrolysis Contamination thing diffusion And Movement problem, but embodiment of above is merely illustrative of the technical solution of the present invention and unrestricted,
Although by referring to embodiments of the present invention, invention has been described, and the scientific research technical staff of this area should
Understand, various changes can be made to it in the form and details.
Claims (10)
1. a kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ, it is characterised in that including hydraulic pressure mould
Plan system, ground temperature crustal stress simulation system, pollutant diffusion And Movement simulation system, hydraulic analogue system are simulated with ground temperature crustal stress
System is connected, and ground temperature crustal stress simulation system is connected with pollutant diffusion And Movement simulation system;The hydraulic analogue system is by gas
Body, gas boosting pump, pressure regulator valve, pressure gauge, intake valve, the first water tank, the second water tank, water compensating valve, water intaking valve composition, gas lead to
Cross booster pump to be pressurized, and required pressure is adjusted by pressure regulator valve and pressure gauge, pass through intake valve, the first water tank, water intaking valve
With pressure gauge by water cycle factors into the second water tank, water body is supplemented the water in the first water tank by water compensating valve;
The ground temperature crustal stress simulation system, is made up of insulating box, servo-pressing machine, pressure sensor;Servo-pressing machine is set
In insulating box;By servo-pressing machine respectively be opposite to pyrolysis rock stratum microscope carrier in pyrolysis rock stratum test specimen, be placed in it is adjacent permeable
Permeable stratum test specimen in layer microscope carrier carries out axle pressure and confined pressure loading;Tried respectively putting on pyrolysis rock stratum by pressure sensor
Part, the axle pressure of permeable stratum sample and confined pressure are precisely monitored, and pyrolysis rock stratum test specimen and permeable stratum are tried by insulating box
Part carries out heated at constant temperature;
The pollutant diffusion And Movement simulation system, including the second water tank, pyrolysis rock stratum microscope carrier, infiltration liquid case, adjacent pervious bed
Microscope carrier, tapping valve, liquid trap, water compensating valve;Second water tank, pyrolysis rock stratum microscope carrier, infiltration liquid case, adjacent pervious bed microscope carrier are respectively provided with
In insulating box;Pyrolysis rock stratum test specimen is placed in pyrolysis rock stratum microscope carrier, and permeable stratum test specimen is placed in adjacent pervious bed microscope carrier;The
Two water tanks are located above pyrolysis rock stratum microscope carrier, provided with two infiltration liquid cases above pyrolysis rock stratum microscope carrier, between two infiltration liquid cases
Provided with adjacent pervious bed microscope carrier;Each infiltration liquid case is respectively connected with some liquid traps;
Water body enters pyrolysis rock stratum microscope carrier formation contaminated liquid through the second water tank, and contaminated liquid enters the first infiltration liquid case, passes through discharge opeing
Valve gathers penetrating fluid at different height position into different liquid traps;Under hydraulic pressure effect, the pollution of the first infiltration liquid case
Liquid is entered in the second infiltration liquid case through adjacent pervious bed microscope carrier, by tapping valve by penetrating fluid at different height position gather to
In different liquid traps.
2. a kind of according to claim 1 simulate the experimental rig in situ for being pyrolyzed pollutant diffusion And Movement in underground water, its
Be characterized in the hydraulic analogue system by the way that gases at high pressure are injected into water tank, and by pressure transmission, to test specimen loading not
Same hydraulic pressure, to simulate the true groundwater environment of oil shale and low-disintegration coal layer preservation.
3. a kind of according to claim 1 simulate the experimental rig in situ for being pyrolyzed pollutant diffusion And Movement in underground water, its
It is characterized in the ground temperature crustal stress simulation system, the true of mineral products is simulated by insulating box and servo-pressing machine and buries ground temperature condition
With crustal stress condition.
4. a kind of according to claim 1 simulate the experimental rig in situ for being pyrolyzed pollutant diffusion And Movement in underground water, its
Be characterized in the pollutant diffusion And Movement simulation system, by by with hydraulic pressure water body note be implanted sequentially pyrolysis rock stratum test specimen and
In the sample of permeable stratum, diffusion And Movement of the simulation Pyrolysis Contamination thing in underground water.
5. a kind of according to claim 1 simulate the experimental rig in situ for being pyrolyzed pollutant diffusion And Movement in underground water, its
It is characterized in that it simulates the geological conditions that mineral products buried depth is 800m.
6. a kind of experimental rig for simulating pyrolysis pollutant diffusion And Movement in underground water in situ according to claim 1,
Characterized in that, it is 400mm that described pyrolysis rock stratum microscope carrier, which loads diameter, height is 50mm pyrolysis rock stratum test specimen.
7. a kind of simulation pyrolysis pollutant trial assembly of diffusion And Movement in underground water in situ according to claim 1 is put, its
It is characterised by, it is 400mm that described adjacent pervious bed microscope carrier, which loads diameter, and height is 50mm permeable stratum test specimen.
8. the experimental rig of pollutant diffusion And Movement in underground water is pyrolyzed according to a kind of simulation original position described in claim 1,
It is characterized in that the axle pressure and confined pressure that are loaded to test specimen are 0-20MPa, it is 0-10MPa, water temperature temperature to the hydraulic pressure that test specimen is loaded
Spend for 0-80 DEG C.
9. the experimental rig of pollutant diffusion And Movement in underground water is pyrolyzed according to a kind of simulation original position described in claim 1,
It is characterized in that the gas uses nitrogen.
10. a kind of test method for simulating pyrolysis pollutant diffusion And Movement in underground water in situ, it is characterised in that including following
Step:
(1)Rock stratum test specimen will be pyrolyzed and be placed in pyrolysis rock stratum microscope carrier described in claim 1, and is carried out with fastening bolt sealing permeable
Rock stratum test specimen is placed in the adjacent pervious bed microscope carrier described in claim 1, and is sealed with fastening bolt;
(2)Water compensating valve, water intaking valve are opened, water tank, infiltration liquid case is full of water, closes water compensating valve;
(3)To incubator set point target temperature, after temperature reaches setting value and stable 30min, servo-pressing machine is opened to heat
Solve rock stratum test specimen and permeable stratum test specimen applies axle pressure and confined pressure, pass through pressure sensor control pressure to setting value;
(4)Open hydraulic analogue system and hydraulic pressure is applied to pyrolysis rock stratum test specimen and permeable stratum test specimen, by gas boosting pump, adjust
Pressure valve, pressure gauge, intake valve make hydraulic pressure increase to setup pressure value;
(5)Tapping valve is opened, makes discharge opeing threshold velocity identical with groundwater velocity, penetrating fluid is collected into liquid trap;
(6)In setting sampling time point, open tapping valve and collect contaminated liquid, when taking liquid, should first be vented old liquid in tapping valve simultaneously
Rinse, three samples are continuously taken from each tapping valve;Accessing after contaminated liquid finishes, imported at once by water compensating valve with accessing every time
The isometric water of amount;
(7)The position contaminated liquid concentration value is used as using the average value of three parallel contaminated liquid sample concentrations.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108051342A (en) * | 2017-12-12 | 2018-05-18 | 云南省农业科学院农业环境资源研究所 | The simple computation method of lake offshore farmland pollution object flux of lake inflow under a kind of underground water-lake water interaction |
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CN108051342A (en) * | 2017-12-12 | 2018-05-18 | 云南省农业科学院农业环境资源研究所 | The simple computation method of lake offshore farmland pollution object flux of lake inflow under a kind of underground water-lake water interaction |
CN108051342B (en) * | 2017-12-12 | 2021-03-30 | 云南省农业科学院农业环境资源研究所 | Simple calculation method for lake near-shore farmland pollutant lake-entering flux under interaction of underground water and lake water |
CN109358176A (en) * | 2018-10-26 | 2019-02-19 | 吉林大学 | A kind of exploitation of oil shale in-situ influences laboratory analog system to groundwater environment |
CN110304668A (en) * | 2019-07-02 | 2019-10-08 | 太原理工大学 | A kind of automatic control device of adjustable groundwater remediation medicament injection depth |
CN110702876A (en) * | 2019-09-19 | 2020-01-17 | 徐州江恒能源科技有限公司 | System for testing whole process of gas-water migration of rock-soil mass under deep multi-field coupling effect |
CN111855499A (en) * | 2020-07-10 | 2020-10-30 | 浙江大学 | Electroplating field soil-underground water integrated pollutant migration and diffusion simulation method |
CN112034096A (en) * | 2020-07-25 | 2020-12-04 | 西安科技大学 | Detection device and method for migration of ion pollutants in filling paste pressure-bearing state |
CN112034096B (en) * | 2020-07-25 | 2024-03-12 | 西安科技大学 | Detection device and method for migration of ionic pollutants in pressure-bearing state of filling paste |
CN113776991A (en) * | 2021-09-23 | 2021-12-10 | 杨栋 | Device for testing high-temperature long-distance migration characteristic of pollutants in rock soil |
CN114459960A (en) * | 2022-02-10 | 2022-05-10 | 辽宁工程技术大学 | Multi-field coupling simulation test device and method for mine underground water pollution |
CN114459960B (en) * | 2022-02-10 | 2024-05-14 | 辽宁工程技术大学 | Multi-field coupling simulation test device and method for mine groundwater pollution |
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