CN109270252A - A kind of experimental provision and method of the migration of mobile phase oil pollution porous media - Google Patents
A kind of experimental provision and method of the migration of mobile phase oil pollution porous media Download PDFInfo
- Publication number
- CN109270252A CN109270252A CN201811334127.1A CN201811334127A CN109270252A CN 109270252 A CN109270252 A CN 109270252A CN 201811334127 A CN201811334127 A CN 201811334127A CN 109270252 A CN109270252 A CN 109270252A
- Authority
- CN
- China
- Prior art keywords
- water
- oil
- sink
- pipe
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013508 migration Methods 0.000 title claims abstract description 28
- 230000005012 migration Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 218
- 239000003208 petroleum Substances 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 53
- 239000002689 soil Substances 0.000 claims description 27
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000002798 spectrophotometry method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000007747 plating Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000372132 Hydrometridae Species 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000010425 computer drawing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001617 migratory effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides the experimental provisions and method of a kind of migration of mobile phase oil pollution porous media, belong to enviromental monitoring equipment technical field.The present invention includes chamber and two sinks, test cavity is equipped in chamber, two sinks are separately positioned in the left and right sidewall of chamber, sink is the body structure that upper end has opening, it is connected between sink and test cavity by several through-holes, the regulating device that can adjust height of water level in sink is equipped in sink, several sampling holes are offered on the front end face of chamber, sampling hole is equipped with seat board, seat board is equipped with the detection device for the oil saturation being able to detect at sampling hole, the top of chamber is equipped with leak oil tank by pedestal one, the bottom of leak oil tank is equipped with leak oil line, the top of chamber is equipped with oil leaking hole, leak oil line passes through oil leaking hole and extends in test cavity, leak oil line is equipped with valve one.The present invention can simulate the transport conditions of mobile phase petroleum in different media, simple and convenient.
Description
Technical field
The invention belongs to enviromental monitoring equipment technical fields, are related to a kind of reality of mobile phase oil pollution porous media migration
Experiment device and method.
Background technique
Underground water is the important component of water resource, and water stabilizing water quality is good, is the weight in agricultural irrigation, industrial and mineral and city
One of water source is wanted, however as persistently flourishing for industry, underground water just meets with serious Pollution Crisis.
Primary pollution source one of of the petroleum pollution as underground water in soil, leaching and lower seep are that underground water is long-term
The major reason of pollution can directly or indirectly cause damages to groundwater environment.Many coastal field areas and Living in Petrochemical Area soil
Earth even more seriously receives the cracking of petroleum machine, the pollution of pyrolysis product.Meanwhile petroleum is used as with high hydrophobicity, low water-soluble
Property feature pollutant, complicated phase is showed in the porous medias such as soil.Due to its special physicochemical properties, let out
For long-term existence in the soil water curve of underground, stability is strong after leakage, not degradable.With the hydrogeological process of evaporation rainfall etc. and
Secondary migration can occur for the bioprocess such as plant absorption, the petroleum for remaining and accumulating in soil or underground water, can endanger ecology
Environment and human health.
In addition, lateral or vertical space migratory behaviour occurs in the soil body for mobile phase petroleum, actual formation inside is usually
It is invisible, it is therefore necessary to which that its underground migration process and spatial distribution are obtained by certain simulation test indirectly.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, it is porous to propose a kind of mobile phase oil pollution
The experimental provision and method of medium migration, can simulate the transport conditions of mobile phase petroleum in different media, simple and practical.
Object of the invention can be realized by the following technical scheme: a kind of migration of mobile phase oil pollution porous media
Experimental provision, including chamber and two sinks, the chamber is interior to be equipped with test cavity, and two sinks are separately positioned on examination
In the left and right sidewall of tryoff, the sink is the body structure that upper end has opening, if passing through between the sink and test cavity
A dry through-hole is connected, and the regulating device that can adjust height of water level in sink is equipped in the sink, before the chamber
Several sampling holes are offered on end face, the sampling hole is equipped with seat board, and the seat board is equipped with and is able to detect at sampling hole
Oil saturation detection device, the top of the chamber is equipped with leak oil tank, the bottom of the leak oil tank by pedestal one
Equipped with leak oil line, the top of the chamber is equipped with oil leaking hole, and the leak oil line passes through oil leaking hole and extends in test cavity, described
Leak oil line is equipped with valve one.
Petroleum is packed into leak oil tank, medium is packed into chamber, and two sinks in left and right are respectively arranged with water, is opened on leak oil line
Valve one, petroleum is flowed on medium by oil leaking hole, valve one can control petroleum leakage speed, operate sink in
Regulating device adjusts the height of water level in two sinks, simulates the migration of petroleum in the medium in the case where different water-level fluctuations
Situation, to analyze oil pollution situation.
In the experimental provision that a kind of above-mentioned mobile phase oil pollution porous media is migrated, the chamber and two water
Slot is made of transparent organic glass, is equipped with strainer in the left and right sidewall in the chamber.
Organic glass has many advantages, such as that hardness is high, translucency is good, corrosion-resistant, facilitates the water in testing crew observation chamber
Bit flow situation, the strainer can prevent medium from flowing into sink from through-hole, influence experimental result.
In the experimental provision that a kind of above-mentioned mobile phase oil pollution porous media is migrated, the regulating device includes solid
Fixed pipe, water level regulation pipe, the fixing pipe lower end closed and the bottom for being vertically set on sink, water level regulation pipe lower end
Outside is equipped with rubber ring, and the water level regulation pipe is slidingly and sealingly arranged in fixing pipe by rubber ring, the water level regulation
The outside level of pipe upper end is equipped with scale bar, and the sink is equipped with close to the side wall of scale bar can read water level height in sink
The scale of degree, the sink are equipped with water inlet pipe and outlet pipe far from the side wall of chamber, and the water inlet pipe is equipped with valve two,
The outlet pipe is equipped with valve three, and the water inlet pipe is connected with sink, and the outlet pipe is connected with the bottom of fixing pipe,
The scale bar is equipped with the driving mechanism that water level regulation pipe can be driven to slide up and down in fixing pipe.
When needing to improve the water level of sink, starting driving mechanism drives water level regulation pipe upward sliding, works as water level regulation
When scale bar on pipe reaches the height of assigned scale, driving mechanism is closed, the valve two on water inlet pipe is opened, is put into sink
Water opens the valve three on outlet pipe when water level reaches assigned scale, and extra water flows into solid from the upper end of water level regulation pipe
Determine in pipe, the water in fixing pipe flows out of the water outlet pipe, and when outlet pipe there are flowing out, closes the valve two on water inlet pipe, stops
Add water, the water level in sink is waited to reach assigned scale;Similarly, when needing to reduce the water level of sink, start driving mechanism band
Dynamic water level regulation pipe moves down, and when the scale bar on water level regulation pipe reaches assigned scale height, closes driving mechanism, beats
The valve three on water pipe is outputed, the water on assigned scale flows into fixing pipe from the upper end of water level regulation pipe, fixing pipe
Interior water flows out of the water outlet pipe, and realizes the purpose of the height of water level in accurate control sink.
In the experimental provision that a kind of above-mentioned mobile phase oil pollution porous media is migrated, the driving mechanism includes connecting
Fishplate bar, equipment box and screw rod, connecting rod is vertically equipped on the scale bar, and opening for sink upper end is stretched out in the upper end of the connecting rod
Mouthful, sink is arranged in far from the side wall of chamber by pedestal two in the equipment box, and equipment cavity, institute are equipped in the equipment box
Screw rod to be stated to be rotatably arranged in equipment cavity vertically, the bottom of the equipment cavity is equipped with motor, and the motor is connect with screw drive,
Nut is connected through a screw thread on the screw rod, the outside of the nut and connecting plate are connected, and the equipment box is close to sink
Side wall is equipped with the chute hole of strip, and the connecting plate passes through chute hole and extends to outside equipment box, and the connecting plate extends to
The upper end of one end and connecting rod outside equipment box is connected.
When needing to improve the water level of sink, motor in starting device case drives screw rod to rotate clockwise, make nut to
Upper movement drives water level regulation pipe to move up by connecting plate and connecting rod, when the scale bar arrival on water level regulation pipe refers to
When determining the height of scale, motor is closed, the valve two on water inlet pipe is opened, discharges water into sink, when water level reaches assigned scale
When, the valve three on outlet pipe is opened, extra water flows into fixing pipe from the upper end of water level regulation pipe, and the water in fixing pipe is again
It flows out of the water outlet pipe, when outlet pipe there are flowing out, closes the valve two on water inlet pipe, stop adding water, wait the water in sink
Position reaches assigned scale;Similarly, when needing to reduce the water level of sink, motor in starting device case drives screw rod counterclockwise
Rotation, moves down nut, drives water level regulation pipe to move down by connecting plate and connecting rod, when on water level regulation pipe
When scale bar reaches the height of assigned scale, motor is closed, opens the valve three on outlet pipe, the water on assigned scale
It is flowed into fixing pipe from the upper end of water level regulation pipe, the water in fixing pipe flows out of the water outlet pipe again, is driven by a motor water level regulation
Sliding up and down for pipe, it is time saving and energy saving, effectively improve the accuracy of water level regulation during test.
In the experimental provision that a kind of above-mentioned mobile phase oil pollution porous media is migrated, the detection device includes electricity
Hold sensor and computer, the capacitance sensor are located at seat board close to the side of test cavity, the computer and capacitance sensing
Device electrical connection.
The capacitance sensor can detecte the oil saturation of medium at sampling hole, and computer is according to the electricity of different location
The testing result for holding sensor draws the distribution map of oil saturation.
In the experimental provision that a kind of above-mentioned mobile phase oil pollution porous media is migrated, offers and pass through on the seat board
Perforation, the through hole are equipped with probe tube, and the probe tube is connected with test cavity by through hole, is set on the probe tube
Have a suction pump, the outlet end of the probe tube is connected with oily-water seperating equipment, the oily-water seperating equipment include eccentric reducer,
Water-supply-pipe and petroleum pipeline, the eccentric reducer left and right ends are respectively equipped with opening one and opening two, the size of the opening one
Less than the size of opening two, in the same horizontal line, the opening one is equipped with sealing plate for the bottom of the opening one and opening two
One, the opening two is equipped with sealing plate two, and the outlet end of the probe tube passes through sealing plate one and is connected with opening one, the oil transportation
The input end of pipe passes through sealing plate two and is connected with the top of opening two, and the input end of the water-supply-pipe passes through sealing plate two and opening two
Bottom be connected, the outlet end of the petroleum pipeline is connected with oil-collecting bottle, and the outlet end of the water-supply-pipe is connected with collection bottle.
The suction pump extracts water sample out from sampling hole, and water sample is flowed into probe tube, and the outlet end of probe tube passes through envelope
Plate one is connected with the opening one of eccentric reducer, and one size of opening of eccentric reducer is less than the size of opening two, opening one
Concordant with the bottom of opening two, since the density of oil is less than the density of water, oil float is on the water surface, and oil is in the upper end of opening two
Aggregation, is flowed into oil-collecting bottle by petroleum pipeline, and water flows into collection bottle from the water-supply-pipe of two lower ends of opening, realizes grease point
From structure is simple.
A kind of experimental provision using the migration of mobile phase oil pollution porous media simulates petroleum in coastal native water system
The method of middle migration process, it is characterised in that the following steps are included:
1) silt and silt loam composite soil, sand, sandy loam, silt loam four, are successively loaded in chamber
The soil body of kind various combination, thickness is respectively 4cm, 10cm, 40cm, 16cm.
2), petroleum is poured into leak oil tank, the valve one on leak oil line is opened, controls the leakage rate of petroleum.
3) height that water level regulation pipe, is then adjusted by starting motor makes two sinks in left and right water-head, mould occur
Intend mobile phase petroleum space migration process and spatial distribution under the conditions of different water-level fluctuations, observes its transport conditions.
4), the oil saturation of the capacitance sensor real-time detection soil sample on seat board transfers data to after computer certainly
It is dynamic to draw soil sample oil saturation distribution map.
5), the water sample of the sampling hole outflow of different location is flowed into eccentric reducer by respective probe tube, by inclined
Water-oil separating, oil are flowed into oil-collecting bottle by heart reduced pipe, and water is flowed into collection bottle, and the oil separated is passed through gravimetric method
Measurement determines the oil-water ratio of water sample by the water separated by determined by ultraviolet spectrophotometry oil content.
It is packed into different soil sample combinations in chamber, simulates petroleum three dimensional physical migration process in coastal native water system,
The speed that petroleum leakage is controlled by the valve one on leak oil line, the height by adjusting water level regulation pipe realize two water in left and right
The water-head of slot, simulates different water flow situations, and the oil saturation of the capacitance sensor detection different location soil sample leads to
Computer drawing oil saturation distribution map is crossed, preliminary water-oil separating is realized using eccentric reducer, separates the oil of acquirement
It is measured by gravitational method, water measures oil content by UV spectrophotography, determines the oil-water ratio and capacitance sensor detection of water sample
Obtained soil sample oil saturation data are complementary to one another, the not only pollution condition of available soil sample, but also available sampling of ground water
Pollution condition, be simple and efficient.
Compared with prior art, the invention has the following advantages that
1, when needing to improve the water level of sink, motor in starting device case drives screw rod to rotate clockwise, makes nut
It moves up, drives water level regulation pipe to move up by connecting plate and connecting rod, when the scale bar on water level regulation pipe reaches
When the height of assigned scale, motor is closed, the valve two on water inlet pipe is opened, discharges water into sink, when water level reaches specified quarter
When spending, the valve three on outlet pipe is opened, extra water flows into fixing pipe from the upper end of water level regulation pipe, the water in fixing pipe
It flows out of the water outlet pipe again, when outlet pipe there are flowing out, closes the valve two on water inlet pipe, stop adding water, wait in sink
Water level reaches assigned scale;Similarly, when needing to reduce the water level of sink, motor in starting device case drives the screw rod inverse time
Needle rotation, moves down nut, drives water level regulation pipe to move down by connecting plate and connecting rod, when on water level regulation pipe
Scale bar reach assigned scale height when, close motor, open outlet pipe on valve three, the water on assigned scale
It is flowed into fixing pipe from the upper end of water level regulation pipe, the water in fixing pipe flows out of the water outlet pipe again, realizes in accurate control sink
Height of water level purpose;
2, the chamber and sink are all made of transparent organic glass and are made, and have hardness height, translucency good, corrosion-resistant
The advantages that, facilitate the water flow situation in testing crew observation chamber;
3, the capacitance sensor is able to detect the oil saturation of medium in chamber, due on the front end face of chamber
Sampling hole equipped with several different locations can detecte medium in the oil saturation of different location, and capacitance sensor will be believed
Breath is sent to computer, the distribution map of computer automatic drafting oil saturation;
4, one size of opening of the eccentric reducer is less than the size of opening two, and opening one and the bottom of opening two are flat
Together, the water sample in probe tube is flowed into from opening one, and since the density of oil is less than the density of water, on the water surface, oil exists oil float
The upper end of opening two is built up, and is flowed into oil-collecting bottle by petroleum pipeline, and water flows into collection bottle from the water-supply-pipe of two lower ends of opening,
Realize water-oil separating, structure is simple.
Detailed description of the invention
Fig. 1 is the floor map of the experimental provision of this mobile phase oil pollution porous media migration;
Fig. 2 is the structural schematic diagram of chamber;
Fig. 3 is the cross-sectional view in Fig. 2 at A-A;
Fig. 4 is the partial enlarged view in Fig. 2 at B;
Fig. 5 is the connection schematic diagram of eccentric reducer and collection bottle, oil-collecting bottle.
In figure, 1, chamber;1a, test cavity;1b, sampling hole;1c, oil leaking hole;1d, strainer;2, sink;2a, water inlet pipe;
2b, outlet pipe;2c, through-hole;3, fixing pipe;4, water level regulation pipe;4a, rubber ring;5, scale bar;5a, connecting rod;5b, connection
Plate;6, equipment box;6a, equipment cavity;6b, motor;6c, screw rod;6d, nut;6e, chute hole;6f, support plate;7, leak oil tank;
7a, leak oil line;8, seat board;8a, probe tube;8b, suction pump;8c, capacitance sensor;9, eccentric reducer;9a, opening one;9b,
Opening two;9c, corrugated plating;10, collection bottle;10a, water-supply-pipe;11, oil-collecting bottle;11a, petroleum pipeline;12, computer.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Implementation column one:
Referring to figs. 1 to 5, a kind of experimental provision of mobile phase oil pollution porous media migration, including chamber 1 and two
Sink 2, the chamber 1 is interior to be equipped with test cavity 1a, and two sinks 2 are separately positioned in the left and right sidewall of chamber 1, institute
Stating sink 2 is the body structure that upper end has opening, is connected between the sink 2 and test cavity 1a by several through-holes 2c
It is logical, it is equipped with the regulating device that can adjust height of water level in sink 2 in the sink 2, is opened up on the front end face of the chamber 1
There are several sampling holes 1b, the sampling hole 1b to be equipped with seat board 8, the seat board 8 is equipped with and is able to detect at sampling hole 1b
The top of the detection device of oil saturation, the chamber 1 is equipped with leak oil tank 7, the bottom of the leak oil tank 7 by pedestal one
Equipped with leak oil line 7a, the top of the chamber 1 is equipped with oil leaking hole 1c, and the leak oil line 7a passes through oil leaking hole 1c and extends to test
In chamber 1a, the leak oil line 7a is equipped with valve one.
Petroleum is packed into leak oil tank 7, medium is packed into chamber 1, and two sinks 2 in left and right are respectively arranged with water, opens oil leak
Valve one on pipe 7a, petroleum is flowed on medium by oil leaking hole 1c, and valve one can control the speed of petroleum leakage, operation
Regulating device in sink 2 adjusts the height of water level in two sinks 2, and petroleum is being situated between in the case where simulating different water-level fluctuations
Transport conditions in matter, to analyze oil pollution situation.
Specifically, the chamber 1 and two sinks 2 are made of transparent organic glass, in the chamber 1
Strainer 1d is equipped in left and right sidewall.
Organic glass has many advantages, such as that hardness is high, translucency is good, corrosion-resistant, facilitates in testing crew observation chamber 1
Water flow situation, the strainer 1d can prevent medium from flowing into sink 2 from through-hole 2c, influence experimental result.
Specifically, the regulating device includes fixing pipe 3, water level regulation pipe 4,3 lower end closed of fixing pipe and is hung down
The bottom of sink 2 is directly set, and the outside of 4 lower end of water level regulation pipe is equipped with rubber ring 4a, and the water level regulation pipe 4 passes through
Rubber ring 4a is slidingly and sealingly arranged in fixing pipe 3, and the outside level of 4 upper end of water level regulation pipe is equipped with scale bar 5, institute
It states sink 2 and is equipped with the scale that can read height of water level in sink 2 close to the side wall of scale bar 5, the sink 2 is far from test
The side wall of case 1 is equipped with water inlet pipe 2a and outlet pipe 2b, the water inlet pipe 2a are equipped with valve two, and the outlet pipe 2b is equipped with
Valve three, the water inlet pipe 2a are connected with sink 2, and the outlet pipe 2b is connected with the bottom of fixing pipe 3, the scale bar
5 are equipped with the driving mechanism that water level regulation pipe 4 can be driven to slide up and down in fixing pipe 3.
When needing to improve the water level of sink 2, starting driving mechanism drives 4 upward sliding of water level regulation pipe, when water level tune
When saving the height of the arrival assigned scale of scale bar 5 on pipe 4, driving mechanism is closed, the valve two on water inlet pipe 2a, Xiang Shui are opened
It discharges water in slot 2, when water level reaches assigned scale, opens the valve three on outlet pipe 2b, extra water is from water level regulation pipe 4
Upper end flows into fixing pipe 3, and the water in fixing pipe 3 is flowed out from outlet pipe 2b, when outlet pipe 2b there are flowing out, closes water inlet pipe
Valve two on 2a stops adding water, the water level in sink 2 is waited to reach assigned scale;Similarly, when the water for needing to reduce sink 2
When position, starting driving mechanism drives water level regulation pipe 4 to move down, when the scale bar 5 on water level regulation pipe 4 reaches assigned scale
When height, driving mechanism is closed, opens the valve three on outlet pipe 2b, water on assigned scale is from water level regulation pipe 4
Upper end flow into fixing pipe 3, water in fixing pipe 3 is flowed out from outlet pipe 2b, realizes the height of water level in accurate control sink 2
Purpose.
Specifically, the driving mechanism includes connecting plate 5b, equipment box 6 and screw rod 6c, is vertically set on the scale bar 5
There is connecting rod 5a, the opening of 2 upper end of sink is stretched out in the upper end of the connecting rod 5a, and the equipment box 6 is arranged by pedestal two
On side wall of the sink 2 far from chamber 1, equipment cavity 6a is equipped in the equipment box 6, the screw rod 6c is vertical by support plate 6f
It is rotatably arranged in equipment cavity 6a, the bottom of the equipment cavity 6a is equipped with motor 6b, and support plate is stretched out in the lower end of the screw rod 6c
The output shaft fixed connection of 6f and motor 6b, the upper end of the screw rod 6c are rotatably arranged on the top of equipment cavity 6a, on the screw rod 6c
It is connected through a screw thread nut 6d, the outside of the nut 6d and connecting plate 5b are connected, and the equipment box 6 is close to the side of sink 2
The chute hole 6e, the connecting plate 5b that wall is equipped with strip are extended to outside equipment box 6 across chute hole 6e, the connecting plate 5b
The upper end for extending to one end outside equipment box 6 and connecting rod 5a is connected.
When needing to improve the water level of sink 2, motor 6b in starting device case 6 drives screw rod 6c to rotate clockwise, makes
Nut 6d is moved up, and drives water level regulation pipe 4 to move up by connecting plate 5b and connecting rod 5a, when on water level regulation pipe 4
Scale bar 5 reach assigned scale height when, close motor 6b, open water inlet pipe 2a on valve two, put into sink 2
Water opens the valve three on outlet pipe 2b when water level reaches assigned scale, and extra water is flowed from the upper end of water level regulation pipe 4
Enter in fixing pipe 3, the water in fixing pipe 3 is flowed out from outlet pipe 2b again, when outlet pipe 2b there are flowing out, is closed on water inlet pipe 2a
Valve two, stop plus water, wait sink 2 in water level reach assigned scale;Similarly, when needing to reduce the water level of sink 2,
Motor 6b in starting device case 6 drives screw rod 6c to rotate counterclockwise, moves down nut 6d, pass through connecting plate 5b and company
Extension bar 5a drives water level regulation pipe 4 to move down, and when the scale bar 5 on water level regulation pipe 4 reaches the height of assigned scale, closes
Motor 6b is closed, the valve three on outlet pipe 2b is opened, the water on assigned scale flows into solid from the upper end of water level regulation pipe 4
Determine in pipe 3, the water in fixing pipe 3 is flowed out from outlet pipe 2b again, drives sliding up and down for water level regulation pipe 4 by motor 6b, time saving
It is laborsaving, effectively improve the accuracy of water level regulation during test.
Specifically, the detection device includes capacitance sensor 8c and computer 12, and the capacitance sensor 8c is located at
Seat board 8 is close to the side of test cavity 1a, the computer 12 and capacitance sensor 8c electrical connection.
The capacitance sensor 8c can detecte the oil saturation of medium at sampling hole, and computer 12 is according to different location
Capacitance sensor 8c testing result draw oil saturation distribution map.
Specifically, through hole is offered on the seat board 8, the through hole is equipped with probe tube 8a, the probe tube
8a is connected by through hole with test cavity 1a, and the probe tube 8a is equipped with suction pump 8b, the outlet end of the probe tube 8a
It is connected with oily-water seperating equipment, the oily-water seperating equipment includes eccentric reducer 9, water-supply-pipe 10a and petroleum pipeline 11a, described
9 left and right ends of eccentric reducer are respectively equipped with two 9b of one 9a of opening and opening, and the size of one 9a of the opening is less than two 9b of opening
Size, in the same horizontal line, an opening 9a is equipped with sealing plate one, institute for the bottom of one 9a of the opening and two 9b that are open
It states two 9b of opening and is equipped with sealing plate two, the outlet end of the probe tube 8a passes through sealing plate one and is connected with one 9a of opening, described defeated
The input end of oil pipe 11a passes through to be connected at the top of sealing plate two and two 9b of opening, and the input end of the water-supply-pipe 10a passes through sealing plate
Two are connected with the bottom of two 9b of opening, and the outlet end of the petroleum pipeline 11a is connected with oil-collecting bottle 10, the water-supply-pipe 10a's
Outlet end is connected with collection bottle 10.
The suction pump 8b extracts water sample out from sampling hole 1b, and water sample is flowed into probe tube 8a, the outlet of probe tube 8a
End is connected across sealing plate one with one 9a of opening of eccentric reducer 9, and the one 9a size of opening of eccentric reducer 9 is less than opening two
The size of 9b, opening one 9a and opening the bottom of two 9b it is concordant, due to oil density less than water density, oil float the water surface it
On, oil is assembled in the upper end for two 9b that are open, and is flowed into oil-collecting bottle 11 by petroleum pipeline 11a, and water is defeated from two lower ends 9b of opening
Water pipe 10a is flowed into collection bottle 10, realizes water-oil separating, and structure is simple.
A kind of experimental provision using the migration of mobile phase oil pollution porous media simulates petroleum in coastal native water system
The method of middle migration process, it is characterised in that the following steps are included:
1) silt and silt loam composite soil, sand, sandy loam, silt loam four, are successively loaded in chamber 1
The soil body of kind various combination, thickness is respectively 4cm, 10cm, 40cm, 16cm.
2), petroleum is poured into leak oil tank 7, the valve one on leak oil line 7a is opened, controls the leakage rate of petroleum.
3) height that water level regulation pipe 4, is then adjusted by starting motor 6b makes two sinks 2 in left and right water level occur
Difference simulates mobile phase petroleum space migration process and spatial distribution under the conditions of different water-level fluctuations, observes its transport conditions.
4), the oil saturation of the capacitance sensor 8c real-time detection soil sample on seat board 8, transfers data to computer 12
Draw soil sample oil saturation distribution map automatically afterwards.
5), the water sample of the sampling hole 1b outflow of different location is flowed into eccentric reducer 9 by respective probe tube 8a, is passed through
Eccentric reducer 9 is crossed by water-oil separating, oil is flowed into oil-collecting bottle 11, and water is flowed into collection bottle 10, the oil that will be separated
The oil-water ratio of water sample is determined by the water separated by determined by ultraviolet spectrophotometry oil content by gravimetric detemination.
It is packed into different soil sample combinations in chamber 1, simulates petroleum three dimensional physical migration process in coastal native water system,
The speed that petroleum leakage is controlled by the valve one on leak oil line 7a, the height by adjusting water level regulation pipe 4 realize left and right two
The water-head of a sink 2, simulates different water flow situations, and the oil-containing of the capacitance sensor 8c detection different location soil sample is full
And degree, oil saturation distribution map is drawn by computer 12, preliminary water-oil separating is realized using eccentric reducer 9, point
Oil from acquirement is measured by gravitational method, and water measures oil content by UV spectrophotography, determines the oil-water ratio and capacitor of water sample
The soil sample oil saturation data that sensor 8c is detected are complementary to one another, not only the pollution condition of available soil sample, but also can be with
The pollution condition of sampling of ground water is obtained, is simple and efficient.
Embodiment two:
The present embodiment two is basically the same as the first embodiment, the difference lies in that horizontal equipped with several in the eccentric reducer 9
The length direction of a corrugated plating 9c, the corrugated plating 9c are consistent with the length direction of eccentric reducer 9, two neighbouring waves
Ripple is parallel to each other on card 9c, forms undulatory runner, and the corrugated plating 9c is equipped with several dispersion liquid holes, and water sample is in wave
It is flowed on card 9c, since flow section constantly changes and undulatory runner, makes the probability of the oil droplet collision coalescence in water sample
Increase, oil droplet forms oil film on the surface of corrugated plating 9c, and oil film is risen the top built up to two 9b that are open by dispersion liquid hole, passed through
Petroleum pipeline 11a is flowed into oil-collecting bottle 11, according to the principle of Gravity Separation and coarse separation, realize it is more efficient from separation oil
Water.
Those skilled in the art can various modifications may be made to described specific embodiment, supplement or
It is substituted using similar method, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of experimental provision of mobile phase oil pollution porous media migration, including chamber (1) and two sinks (2),
It is characterized in that, be equipped with test cavity (1a) in the chamber (1), two sinks (2) are separately positioned on a left side for chamber (1)
On right side wall, the sink (2) is the body structure that upper end has opening, is passed through between the sink (2) and test cavity (1a)
Several through-holes (2c) are connected, and the regulating device that can adjust sink (2) interior height of water level, institute are equipped in the sink (2)
It states and offers several sampling holes (1b) on the front end face of chamber (1), the sampling hole (1b) is equipped with seat board (8), described
Seat board (8) is equipped with the detection device for the oil saturation being able to detect at sampling hole (1b), and the top of the chamber (1) is logical
Pedestal one is crossed equipped with leak oil tank (7), the bottom of the leak oil tank (7) is equipped with leak oil line (7a), sets at the top of the chamber (1)
Have oil leaking hole (1c), the leak oil line (7a) passes through oil leaking hole (1c) and extends in test cavity (1a), on the leak oil line (7a)
Equipped with valve one.
2. a kind of experimental provision of mobile phase oil pollution porous media migration according to claim 1, which is characterized in that
The chamber (1) and two sinks (2) are made of transparent organic glass, in the left and right sidewall in the chamber (1)
It is equipped with strainer (1d).
3. a kind of experimental provision of mobile phase oil pollution porous media migration according to claim 2, which is characterized in that
The regulating device includes fixing pipe (3), water level regulation pipe (4), fixing pipe (3) lower end closed and is vertically set on sink
(2) outside of bottom, water level regulation pipe (4) lower end is equipped with rubber ring (4a), and the water level regulation pipe (4) passes through rubber
Circle (4a) is slidingly and sealingly arranged in fixing pipe (3), and the outside level of water level regulation pipe (4) upper end is equipped with scale bar
(5), side wall of the sink (2) close to scale bar (5) is equipped with the scale that can read sink (2) interior height of water level, described
Sink (2) is equipped with water inlet pipe (2a) and outlet pipe (2b) far from the side wall of chamber (1), and the water inlet pipe (2a) is equipped with valve
Door two, the outlet pipe (2b) are equipped with valve three, and the water inlet pipe (2a) is connected with sink (2), the outlet pipe (2b)
It is connected with the bottom of fixing pipe (3), the scale bar (5), which is equipped with, can drive water level regulation pipe (4) in fixing pipe (3)
The driving mechanism slided up and down.
4. a kind of experimental provision of mobile phase oil pollution porous media migration according to claim 3, which is characterized in that
The driving mechanism includes connecting plate (5b), equipment box (6) and screw rod (6c), is vertically equipped with connecting rod on the scale bar (5)
The opening of sink (2) upper end is stretched out in (5a), the upper end of the connecting rod (5a), and the equipment box (6) is arranged by pedestal two
Sink (2) is equipped with equipment cavity (6a) in the equipment box (6) far from the side wall of chamber (1), and the screw rod (6c) turns vertically
Dynamic setting is in equipment cavity (6a), and the bottom of the equipment cavity (6a) is equipped with motor (6b), the motor (6b) and screw rod (6c)
It is sequentially connected, has been connected through a screw thread nut (6d) on the screw rod (6c), the outside of the nut (6d) and connecting plate (5b)
It is connected, the equipment box (6) is equipped with the chute hole (6e) of strip close to the side wall of sink (2), and the connecting plate (5b) is worn
It crosses chute hole (6e) and extends to equipment box (6) outside, the connecting plate (5b) extends to the outer one end of equipment box (6) and connecting rod
The upper end of (5a) is connected.
5. a kind of experimental provision of mobile phase oil pollution porous media migration according to claim 4, which is characterized in that
The detection device includes capacitance sensor (8c) and computer (12), and it is close that the capacitance sensor (8c) is located at seat board (8)
The side of test cavity (1a), the computer (12) and capacitance sensor (8c) electrical connection.
6. a kind of experimental provision of mobile phase oil pollution porous media migration according to claim 5, which is characterized in that
Through hole is offered on the seat board (8), the through hole is equipped with probe tube (8a), and the probe tube (8a) passes through through hole
It is connected with test cavity (1a), the probe tube (8a) is equipped with suction pump (8b), and the outlet end of the probe tube (8a) connects
There is oily-water seperating equipment, the oily-water seperating equipment includes eccentric reducer (9), water-supply-pipe (10a) and petroleum pipeline (11a), institute
It states eccentric reducer (9) left and right ends and is respectively equipped with two (9b) of opening one (9a) and opening, the size of one (9a) of the opening is small
In be open two (9b) size, it is described opening one (9a) and be open two (9b) bottom in the same horizontal line, it is described be open one
(9a) is equipped with sealing plate one, and two (9b) of the opening are equipped with sealing plate two, and the outlet end of the probe tube (8a) passes through sealing plate one
It is connected with one (9a) of opening, the input end of the petroleum pipeline (11a) passes through to be connected at the top of sealing plate two and two (9b) of opening,
The input end of the water-supply-pipe (10a) passes through sealing plate two and is connected with the bottom for two (9b) that are open, and the petroleum pipeline (11a) goes out
Mouth end is connected with oil-collecting bottle (10), and the outlet end of the water-supply-pipe (10a) is connected with collection bottle (10).
7. a kind of experimental provision using the migration of mobile phase oil pollution porous media described in claim 6 simulates petroleum on edge
The method of migration process in extra large soil water system, it is characterised in that the following steps are included:
1) silt and silt loam composite soil, sand, sandy loam, four kinds of silt loam, are successively loaded in chamber (1)
The soil body of various combination, thickness are respectively 4cm, 10cm, 40cm, 16cm.
2), petroleum is poured into leak oil tank (7), the valve one on leak oil line (7a) is opened, controls the leakage rate of petroleum.
3) height that water level regulation pipe (4), are then adjusted by starting motor (6b) makes two sinks (2) in left and right water occur
Potential difference simulates mobile phase petroleum space migration process and spatial distribution under the conditions of different water-level fluctuations, observes its transport conditions.
4), the oil saturation of capacitance sensor (8c) real-time detection soil sample on seat board (8), transfers data to computer
(12) soil sample oil saturation distribution map is drawn automatically afterwards.
5), the water sample of sampling hole (1b) outflow of different location is flowed into eccentric reducer (9) by respective probe tube (8a),
By eccentric reducer (9) by water-oil separating, oil is flowed into oil-collecting bottle (11), and water is flowed into collection bottle (10), will be separated
Oil out determines water sample by the water separated by determined by ultraviolet spectrophotometry oil content by gravimetric detemination
Oil-water ratio.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811334127.1A CN109270252A (en) | 2018-11-09 | 2018-11-09 | A kind of experimental provision and method of the migration of mobile phase oil pollution porous media |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811334127.1A CN109270252A (en) | 2018-11-09 | 2018-11-09 | A kind of experimental provision and method of the migration of mobile phase oil pollution porous media |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109270252A true CN109270252A (en) | 2019-01-25 |
Family
ID=65193394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811334127.1A Pending CN109270252A (en) | 2018-11-09 | 2018-11-09 | A kind of experimental provision and method of the migration of mobile phase oil pollution porous media |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109270252A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1363844A (en) * | 2001-01-05 | 2002-08-14 | 新疆石油管理局测井公司 | Capacitance method for logging well and complex-resistivity well-logging instrument series |
CN103558109A (en) * | 2013-10-28 | 2014-02-05 | 东北石油大学 | Method for testing resistance-oil saturation standard relation curve |
CN204182161U (en) * | 2014-11-01 | 2015-03-04 | 赣州白塔金属材料有限公司 | A kind of chemical metallization feed liquid oily-water seperating equipment |
CN104749652A (en) * | 2015-04-17 | 2015-07-01 | 中国石油大学(华东) | Device and method for physically and quantitatively simulating oil-gas migration path in real time in on-line manner |
CN105417627A (en) * | 2014-09-02 | 2016-03-23 | 天津市盛鑫隆粉末涂料有限公司 | Oil-water separator for plastic particles |
CN107128618A (en) * | 2017-06-26 | 2017-09-05 | 辽宁科技大学 | The lab simulation ore drawing device and method of a kind of automatic height adjustment |
CN107247116A (en) * | 2017-05-25 | 2017-10-13 | 浙江海洋大学 | A kind of LNAPLs undergrounds migration process experimental provision and method |
CN206862946U (en) * | 2017-05-25 | 2018-01-09 | 浙江海洋大学 | The device of the three-dimensional migrations of resistivity monitoring LNAPLs |
CN207313019U (en) * | 2017-10-11 | 2018-05-04 | 南通理工学院 | One kind mechanical processing uses fast lifting transmission device |
CN209231339U (en) * | 2018-11-09 | 2019-08-09 | 浙江海洋大学 | A kind of experimental provision of mobile phase oil pollution porous media migration |
-
2018
- 2018-11-09 CN CN201811334127.1A patent/CN109270252A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1363844A (en) * | 2001-01-05 | 2002-08-14 | 新疆石油管理局测井公司 | Capacitance method for logging well and complex-resistivity well-logging instrument series |
CN103558109A (en) * | 2013-10-28 | 2014-02-05 | 东北石油大学 | Method for testing resistance-oil saturation standard relation curve |
CN105417627A (en) * | 2014-09-02 | 2016-03-23 | 天津市盛鑫隆粉末涂料有限公司 | Oil-water separator for plastic particles |
CN204182161U (en) * | 2014-11-01 | 2015-03-04 | 赣州白塔金属材料有限公司 | A kind of chemical metallization feed liquid oily-water seperating equipment |
CN104749652A (en) * | 2015-04-17 | 2015-07-01 | 中国石油大学(华东) | Device and method for physically and quantitatively simulating oil-gas migration path in real time in on-line manner |
CN107247116A (en) * | 2017-05-25 | 2017-10-13 | 浙江海洋大学 | A kind of LNAPLs undergrounds migration process experimental provision and method |
CN206862946U (en) * | 2017-05-25 | 2018-01-09 | 浙江海洋大学 | The device of the three-dimensional migrations of resistivity monitoring LNAPLs |
CN107128618A (en) * | 2017-06-26 | 2017-09-05 | 辽宁科技大学 | The lab simulation ore drawing device and method of a kind of automatic height adjustment |
CN207313019U (en) * | 2017-10-11 | 2018-05-04 | 南通理工学院 | One kind mechanical processing uses fast lifting transmission device |
CN209231339U (en) * | 2018-11-09 | 2019-08-09 | 浙江海洋大学 | A kind of experimental provision of mobile phase oil pollution porous media migration |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Gillham | The capillary fringe and its effect on water-table response | |
CN101739882B (en) | Confined water and phreatic water compound simulation experiment device | |
CN100583188C (en) | Geological environment simulating experiment device | |
CN101556269B (en) | Trough for simulating groundwater pollution | |
CN100568318C (en) | Pumping simulator for completely penetrating well under water | |
CN100446052C (en) | Pressure-bearing whole well water-pumping simulation device | |
CN105181919B (en) | It is a kind of to simulate experimental system and method for the oil overflow air slaking to water quality impact | |
CN102721800A (en) | Artificial rainfall runoff and soil water motion simulation experimental system | |
CN108732331A (en) | A kind of device tested with the soil water, vapour, heat, salt simultaneous transport for unsaturation | |
CN105651677A (en) | Geotechnical parameter and property tester capable of simultaneously testing specific yield and osmotic coefficient | |
CN207473928U (en) | Simulate the physical model experiment device that tunnel construction induces karst collapse | |
CN103234874A (en) | Experimental device for underground two-dimensional elevation sandiness mud flat petroleum pollution | |
CN110070789A (en) | A kind of indoor simulation device of seawater invasion | |
CN106840087A (en) | For the settling column test instrument and test method of pore pressure distribution measuring | |
CN109036065A (en) | Single layer waterproofing type cap rock is collapsed to because of experimental provision | |
CN108986624A (en) | Saturating type cap rock is collapsed to because of experimental provision under upper resistance | |
CN106053764A (en) | Self-generation and self-reservoir syncline-structure basin water-soluble-gas migration simulation experiment method | |
CN109085323A (en) | It is a kind of can hierarchical control water level delaminating deposition model test apparatus and test method | |
CN109342292A (en) | A kind of classification vacuum preloading simulating lab test device | |
CN209231339U (en) | A kind of experimental provision of mobile phase oil pollution porous media migration | |
CN104318843B (en) | Artesian well water injection test device | |
CN109900596A (en) | A kind of experimental provision for simulating Shallow Groundwater Pollution regulation effect | |
CN109270252A (en) | A kind of experimental provision and method of the migration of mobile phase oil pollution porous media | |
CN214224896U (en) | Rainfall simulation device under different slopes | |
CN206177778U (en) | Penetrant unit of research porous medium whole area seepage flow mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |