CN106680154A - Solute transport process optical measuring device based on rock joint transparent copy - Google Patents
Solute transport process optical measuring device based on rock joint transparent copy Download PDFInfo
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- CN106680154A CN106680154A CN201710112833.0A CN201710112833A CN106680154A CN 106680154 A CN106680154 A CN 106680154A CN 201710112833 A CN201710112833 A CN 201710112833A CN 106680154 A CN106680154 A CN 106680154A
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- joint
- transparent
- light source
- flat
- rock joint
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- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000013508 migration Methods 0.000 claims description 30
- 230000005012 migration Effects 0.000 claims description 30
- 238000004458 analytical method Methods 0.000 claims description 20
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- 238000005259 measurement Methods 0.000 claims description 14
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
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Classifications
-
- 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
Abstract
The invention discloses a solute transport process optical measuring device based on a rock joint transparent copy. The device is characterized by comprising a transparent joint overcurrent device, an optical monitoring system, a water flow controlling and measuring system and a data acquiring and analyzing system. A to-be-tested and detected transparent rock joint copy is placed on the transparent joint overcurrent device, and the transparent joint overcurrent device provides a stable water flow which is precise in flow through the water flow controlling and measuring system; and the data acquiring and analyzing system is connected to the optical monitoring system and the water flow controlling and measuring system, and the data acquiring and analyzing system is used for acquiring the flow rate data of the water flow controlling and measuring system and transparent rock joint copy photographing data by the optical monitoring system. The measuring device can realize solute transport processes of the joints with different spatial morphological characteristics at different flow rates. The testing process is simple to operate, the device is low in cost, the repeatability is strong, a result can be intuitively displayed, and the reliability is strong.
Description
Technical field
It is more particularly to a kind of to be based on rock joint transparent replication the invention belongs to rock seepage flow and solute migration technical field
The solute migration process optical measuring device of product.
Background technology
In recent years, with the attention increasingly of China's environmental pollution, such as groundwater pollutant migration, nuclear waste disposal
The plan exploitation of the new energy such as the safety and shale gas in storehouse so that rock joint solute migration mechanism correlation theory and experimental technique
As a new research direction.
The experiment related to rock joint solute migration is broadly divided into the migration test and indoor small chi of field large scale
The single-unit reason experiment of degree.Domestic solute migration experiment focuses primarily upon shallow layer surface, and migration medium is mainly soil.Research is asked
Topic includes the measure that pollutant is migrated with underground water, loss of soil organic element etc..Such technology or research are applied to engineering
Field is less, main by technically being limited with experimental site.Field condition experiment input is big, operating difficulties, migration test
The numerical fluctuations that obtain are big, with strong points but representative difference, at the same experiment to measuring instrument, tracer and measure region have compared with
High request.Therefore domestic and foreign scholars have been also carried out the solute of substantial amounts of indoor single-unit reason while field condition experiment is carried out
Migration test.Although single-unit reason solute migration experiment obtained by result often can only as the reference of live formation properties,
In to joint in terms of the announcement of solute transport microprocess and mechanism, it is irreplaceable that laboratory test plays the role of its.
Due to the closure of rock joint, its joint aperture and solute are with the direct of current migration generation concentration Changing Pattern
Measurement turns into the key technology difficulty of research crack solute migration process.The joint solute migration reality that domestic and international many scholars are carried out
Test, the boundary condition that can only often control current to import and export, and measurable experimental data is obtained in exit.With rock joint
Current are deepened continuously with solute migration study mechanism, and notice is gradually focused on current and transfer parameter by researcher（It is such as molten
Matter dispersion coefficient）With the relation between joint plane degree of roughness and joint aperture, joint outlet stream change in concentration is individually studied
The demand of research cannot have been met.
At present the country not yet possess can take into account measurement transition process joint gap it is wide and monitoring solute concentration changes full mistake
The device and experimental technique of journey.Traditional closed system measurement is often difficult to provide convincing test data.Existing section
The measuring method for managing solute migration flow is the change in concentration that diverse location in joint is recorded by way of implanted sensor, should
Method can destroy fissured structure, and measurement precision is low, and high cost is not also directly perceived.Low cost, for the repeatable experiment of same target
And the apparatus and method observed whole to process of the test are researchers required at present.
The content of the invention
Present invention mainly solves the problem that cannot observe crack internal flow state and solute migration process in the prior art, propose
A kind of aperture measurement and current solute migration process observation and the device monitored suitable for transparent imitative abrasive rock joint high, and
Give the test method of the device.The invention mainly includes following content：
First, existing achievement in research shows that the current and solute migration process in rock joint mainly receive joint plane pattern and section
Reason spatial shape influence.So, for current in rock joint and solute migration process observation and the difficult problem of measurement, this hair
The overmolded reproduction technology of bright use silicon rubber and pebble ebonite, replicates abrasive rock joint plane sample, reconstructs rock section
The essential structure of reason and surface appearance feature.The clone method has accuracy of repetition very high, it is ensured that replicate joint with former joint
Similitude；Meanwhile, the present invention selection high permeable brilliant ebonite with reference to coloured solute use can present streamflow regime and
The overall process of solute migration.
2nd, for the saturating joint of the height for copying, the invention provides the overflow means of complete set.The device is mainly section
Reason excessively stream provides stable boundary condition（Including influent stream, go out stream and water shutoff）And the relative position of the upper and lower joint plane of fixation, together
When meet certain measurement demand（Water inlet surveys hydraulic pressure）.The design of the device has taken into full account the stability of turnover water boundaries：
Enough water inlets and a tank are evenly arranged in water inlet, head boundary condition is simulated；In delivery port, ventilation is arranged
Hole, makes fluid be discharged in joint end smooth, simulates free discharge state.
3rd, for be previously mentioned it is high replicate joint and overflow means thoroughly, the present invention devise a set of corresponding control and
Measuring system.Mainly include flow promoter system, optical system and control analysis system.This system provides a set of comprising current mould
Plan, Real Time Observation and monitoring, the specific device of Data Analysis Services and correspondence flow.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of solute migration process optical measuring device based on rock joint transparent replication product, it is characterised in that：Including transparent
Joint overflow means, optical monitoring system, flow cavitation result and measuring system and data acquisition and analysis system；The transparent joint mistake
The transparent rock joint duplicate of detection to be tested is placed with stream device, transparent joint overflow means pass through flow cavitation result and survey
Amount system provides the current of stabilization exact flow rate；The data acquisition and analysis system and optical monitoring system and flow cavitation result and survey
Amount system is connected, and data acquisition and analysis system is used to gather flow speed data and the optical monitoring system of flow cavitation result and measuring system
System is to transparent rock joint duplicate photographed data.
Preferably, the transparent joint overflow means include two pieces of lucite pressing plates, intake chamber and effluent troughs, pass through
Two pieces of lucite pressing plates replicate transparent rock joint to be studied to be clamped and fixed, and the intake chamber and effluent trough lead to respectively
Cross plastic sealing water and be fixed at transparent rock joint duplicate two ends, the intake chamber be provided with for measure hydraulic pressure pressure-measuring pipe,
And the water inlet pipe being connected with flow cavitation result and measuring system；The effluent trough be provided with breather pipe and and with flow cavitation result and
The connected outlet pipe of measuring system, the transparent rock joint duplicate both sides are provided with the sealing for preventing water leakage in joint
Silica gel piece, the sealing silica gel piece is fixed and clamped by side pressing plate.
Preferably, the optical monitoring system includes flat-plate light source and CCD camera, the flat-plate light source and CCD camera
The bottom and top of transparent rock joint duplicate are respectively arranged on, the flat-plate light source and CCD camera access number by holding wire
According to acquisition analysis system.
Preferably, the transparent joint overflow means and optical monitoring system are in darkroom, the flat-plate light source is
White LED flat-plate light source, flat-plate light source of the transparent rock joint duplicate beyond orthographic projection on flat-plate light source is sticked not
The black silica gel piece of printing opacity.
Preferably, the flat-plate light source is on horizon adjustable base, the horizon adjustable base top is provided with least
Three adjustment height bolts, flat-plate light source and transparent rock disposed thereon are adjusted by adjusting the height of adjustment height bolt
The height and levelness of stone joint duplicate.
Preferably, the flow cavitation result and measuring system include peristaltic pump, solute source, source of solvent and electronic balance
And collector, the solute source and source of solvent be connected by the pipeline with valve with wriggling pump intake respectively, and the wriggling is pumped out
Mouth is connected by pipeline with the water inlet pipe of transparent joint overflow means, and the electronic balance and collector pass through pipeline and transparent section
The outlet pipe for managing overflow means is connected, and the peristaltic pump and electronic balance and collector access data collection and analysis by holding wire
System.
Preferably, the data acquisition and analysis system is a computer, for controlling and receiving optical monitoring system
The information for being with flow cavitation result and measurement, and optical monitoring system shooting photographic intelligence is analyzed.
Therefore, the invention has the advantages that：The present invention can complete the imitative coarse joint saturation/unsaturated water of similitude high
Stream experiment and solute migration experiment carry out in real time directly observation and monitoring to the overall process that current flow in joint simultaneously.
The measurement apparatus low cost, favorable repeatability, high precision, measurement process is simple to operate directly, and intuitive display result is clear.
Brief description of the drawings
Fig. 1 is transparent rock joint duplicate process schematic.
Fig. 2 is transparent joint overflow means schematic top plan view.
Fig. 3 is Section A-A schematic diagram in Fig. 2.
Fig. 4 is section B-B schematic diagram in Fig. 2.
Fig. 5 is C-C schematic cross-sections in Fig. 2.
Fig. 6 is the solute migration process optical measuring device structural representation based on rock joint transparent replication product.
1- Rock Joint Planes, 2- lucite is framed, silastic liquids of the 3- containing curing agent, 4- silicon rubber moulds, 5- crystals
Ebonite A and B mixed liquor, 6- transparent joint plane A, 7- transparent joint plane B, 8- joints, the transparent rock joint duplicate of 9-, 10- has
Machine flat, 11- is fixed and clamped bolt, 12- sealing silica gel pieces, 13- sides pressing plate, 14- pressure-measuring pipes, 15- breather pipes, 16-
Intake chamber, 17- effluent troughs, 18- water inlet end plastic sealing waters, 19- port of export plastic sealing waters, 20- water inlet pipes, 21- outlet pipes, 22- is transparent
Joint overflow means, 23- flat-plate light sources, 24- horizon adjustable bases, 25- camera adjustable supports, 26-CCD cameras, 27- cameras are consolidated
Calmly, 28- peristaltic pumps, 29- solutes source, 30- source of solvent, 31- water supply hoses, 32- delivery hoses, 33- electronic balances and collector,
34- computers, 35- darkrooms.
Specific embodiment
For the explanation purpose of the present invention, the technical scheme and a little that become more apparent, below in conjunction with the accompanying drawings and implement
Example is further detailed to the present invention,
A kind of solute migration process optical measuring device based on rock joint transparent replication product of the present invention, including transparent joint mistake
Stream device 22, optical monitoring system, flow cavitation result and measuring system and the part of data acquisition and analysis system four.Wherein transparent joint
Overflow means 22 are the cores of whole device system.Imitative duplication high is carried out to joint plane using crystal ebonite, with characteristic thoroughly high
And the roughness properties of the true joint plane of class.Reproduction process is simple and convenient, and with low cost, can be repeated.Transparent joint mistake
Stream device 22 increases necessary fixed press fittings and turnover water end (W.E.), there is provided stable head state simulation；Optical monitoring system
It is made up of CCD camera 26, flat-plate light source 23 and the part of darkroom 35 3；Flow cavitation result and measuring system flow cavitation result are main by constant current
Pump is completed；Passed through data acquisition and analysis system directly to control, facilitated the real-time measurement and operation of experimentation.Each system is detailed
Carefully it is described below：
1st, transparent joint overflow means：
The device is fixed and upstream and downstream intake-outlet three comprising the transparent rock joint duplicate 9 of Gao Fang, joint normal direction thoroughly high
Part.
（1）Being critical that for the joint analogue means make the transparent of the emulation high grade of transparency high with silicon rubber and crystal ebonite
Rock joint duplicate 9.
（2）To ensure that joint aperture meets test requirements document（Less than 0.5mm）, in the transparent rock joint duplicate 9 for making
Upper and lower surface adds one piece transparent with machine flat 10 respectively, and with being fixed and clamped, bolt 11 is fixed.In lucite pressing plate 10
It is smaller excessive with the transparent size of rock joint duplicate 9 block size to be placed between the transparent rock joint duplicate 9 of sample
Piece, is used to reduce the direct effect of the bending change of lucite pressing plate 10 to the joint aperture of transparent rock joint duplicate 9,
Ensure the uniformity of joint aperture Direction distortion.
（3）Joint inlet/outlet end structure is mainly constituted by 15 groups of intake chamber 16, effluent trough 17, pressure-measuring pipe 14 and breather pipe
Into the bottom of intake chamber 16 is provided with multiple water inlet pipes 20, and the bottom of effluent trough 17 is provided with multiple outlet pipes 21, designs the quantity of water inlet pipe 20
And design water inlet pipe 20 diameter is determined by the estimation wide of Equivalent Hydraulic gap, can meet upper pond level stable and uniform, Crevice gold
Measure the requirement of control；Design outlet pipe 21 quantity applies maximum stream flow and determines according to design discharge more than upstream.Water inlet pipe 20 is counted
Amount and diameter can change with requirement of experiment.Intake chamber 16 is provided with pressure-measuring pipe 14, breather pipe 15 is set on effluent trough 17, it is ensured that go out
Stream steady and smooth.
2nd, optical monitoring system：
Optical monitoring system is made up of CCD camera 26, flat-plate light source 23, darkroom 35 and auxiliary support member.
（1）The CCD camera 26 is scientific grade CCD color camera, is the core of the system.The ginseng of CCD camera 26
Number is determined by the required precision of joint aperture prediction magnitude and Concentration Testing in experiment.The same joint of the base resolution of CCD camera 26
Face laser scanning similar resolution, the same order of magnitude is in joint aperture；Pixel spot size is identical with laser-light spot size.Camera
Dynamic range provides the color depth value of single pixel point, and practice is about four points of dynamic range in the number range of concentration analysis
One of.Camera is taken pictures and be all integrated in same software with picture processing by computer controls.
（2）To meet transmission experiment requirement, it is ensured that the condition of the stability of light source and parallel transmission, flat-plate light source 23 is selected
White LED flat-plate light source.The light source feature is that, without stroboscopic, scattering light distribution is uniform, can less parallel light.While long-play
Influenceed small by heating, stabilized intensity.The luminous original paper of the light source is LED pasters, is uniformly distributed in light source board surrounding.Framework is used
Aluminium alloy extrusions wire drawing frame, inlays three layers of light transmissive material, from top to bottom respectively acrylic diffuser plate, light guide plate and reflection
Film.Diffuser plate ensures that obtaining every bit on object when light is by transmission thing has from many multidirectional light, cannot use
Uniform light irradiation is obtained under conditions of directional light.The light source uses DC driven, without stroboscopic, for experiment needs, adds on lamp plate
Dress acrylic transparent panel, surrounding aluminum alloy surface uses black light-proof material good seal.
（3）The measurement apparatus are completely disposed at one and are covered with the darkroom 35 of gobo, and the dispatch control system of computer 34 is placed in secretly
Outdoor.To reach more preferable shaded effect, the orthographic projection on flat-plate light source 23 of transparent rock joint duplicate 9 is pasted with outer portion
Upper lighttight black silica gel piece, only stays the space printing opacity of the transparent size of rock joint duplicate 9.
（4）Optical monitoring system includes corresponding supporting construction.The flat-plate light source 23 of experiment is placed in an adjustable horizontal
On base 24, the pin of adjustable water flat bed 24 4 height can adjust, and the surface of adjustable water flat bed 24 has level(l)ing bubble to correct
Degree of regulation.To ensure the stabilization of shooting process, CCD camera 26 is fixed on a camera adjustable support 25.Camera adjustable support
25 are made up of base, montant, cross bar and camera fixing end.Montant adjustable-height, cross bar adjustable length, while can be around montant
360 degree of rotations.Fixing end is provided with vernier knob, for the manual focus of CCD camera 26.
3rd, flow cavitation result and measuring system
Flow cavitation result and measuring system mainly have two parts, and upstream controls flow to export by peristaltic pump 28, downstream high sensitivity
Electronic balance be corrected.The flow of peristaltic pump 28 is controlled by rotating speed and caliber.Liquid header ware group is placed on electronic scale
Into electronic balance and collector 33.Two parts external signal couples with computer, realizes that control and data output are entered simultaneously
OK.
4th, data acquisition and analysis system：
Data acquisition and analysis system is computer, is mainly used in being integrated with CCD camera 26, peristaltic pump 28 and electronic balance and collection
The control and output of device 33, and photograph captured by CCD camera 26 instant Treatment Analysis function.Peristaltic pump 28 and electronic balance
And the solute fettler after the main correction realized at the beginning of testing of control, the measurement of various traffic conditions and the experiment of collector 33
Make.The control of CCD camera 26 major function is exposure and the regulation of dynamic range, and the continuous bat for the time spacing such as being automatically obtained
Take the photograph；The bivector of output pixel point color range value, obtains according to certain derivation of equation while Treatment Analysis are by picture record
To the relative concentration values of each point.
Can be according to needing to increase correction of the visible spectrophotometer as port of export concentration in addition, herein outside the other device
It is not stated otherwise in invention.
Embodiment：
The making of the imitative rock joint of present invention use is introduced first, and such as Fig. 1 prepares Rock Joint Plane 1, has been placed on
In machine glass framed 2, the silastic liquid 3 containing curing agent is added, form removal frame obtains silicon rubber mould 4 after solidification, in silicon rubber mould
Crystal ebonite A and B mixed liquor 5 is added in tool 4, is obtained after solidification, transparent joint plane A 6.Correspondence is obtained using same method
The transparent joint plane B 7 of joint plane.The split transparent joint plane A 6 of correspondence and transparent joint plane B 7 forms joint 8, this entirety
It is transparent rock joint duplicate 9.
The transparent joint overflow means are as shown in Fig. 2 transparent rock joint duplicate 9 is by upper and lower two pieces of lucite pressures
Plate 10 is clamped, and both sides are fixed with the bolt 11 that is fixed and clamped respectively.In the water stop edge of the transparent both sides of rock joint duplicate 9, difference
One piece of sealing silica gel piece 12 is glued, is compressed with side pressing plate 13.Water inlet end makes one intake chamber 16, the openings at one side of intake chamber 16
Directly contacted with transparent rock joint duplicate 9, intake chamber 16 opening two sides and transparent rock joint duplicate 9 pass through into
Water end (W.E.) plastic sealing water 18 is sealed, and plays fixed and water sealing effect, and the top of intake chamber 16 is provided with pressure-measuring pipe 14, and 16 times terminations of intake chamber are multiple
Water inlet pipe 20, the quantity of water inlet pipe 20 can need regulation according to experiment；The water outlet side of joint 8 equally connects knot with port of export plastic sealing water 19
The same effluent trough 17 of structure, breather pipe 15 is connected to the top of effluent trough 17, the multiple outlet pipes 21 of the bottom of effluent trough 17 connection, water outlet
The quantity of pipe 21 needs regulation also dependent on experiment.Transparent joint overflow means 22 derived above.
The transparent rock joint solute migration process optical measuring system is transparent joint overflow means 22 shown in Fig. 6
On the flat-plate light source 23 being fixed in optical system, flat-plate light source 23 is arranged on a horizon adjustable base 24.Horizon adjustable bottom
24 sides of seat connection camera adjustable support 25, CCD camera, 26 fix 27 by camera is connected on camera adjustable support 25.Water inlet
The water inlet pipe 20 of groove 16 connects peristaltic pump 28 by pipeline.The upstream side of peristaltic pump 28 is connected respectively by the water supply hose 31 with valve
Connect solute source 29 and source of solvent 30.The outlet pipe 21 of effluent trough 17 leads to electronic balance and collection by the delivery hose with valve
Device 33.System middle plateform light source 23, peristaltic pump 28, CCD camera 26 and electronic balance and collector 33 are all connected in computer 34.
Specific embodiment of the invention is as follows：
Step 1：Rock joint is made using artificial splitting, 200mm × 100mm × 100mm key rock samples is cut, using warp
The artificial splitting on pressue device of the artificial tension joint preparation method of allusion quotation obtains the rock section being made up of upper and lower two Rock Joint Plane
Reason.The little particle being attached on the mat surface of Rock Joint Plane produced in cleaving process is removed with brush.
Step 2：Replicate rock joint.Single joint plane mould is made with silica gel, it is to avoid directly by epoxy resin first
It is cast in the demoulding difficulty that joint plane is caused.Artificial splitting is obtained the Rock Joint Plane of granite（200×100×50（mm））
It is put into organic glass molds frame 2, pours into silica gel liquid（Containing curing agent）To joint plane about 2cm is flooded, make its gravity flow smooth.After a while
Lucite framed 2 is put into vacuum drying chamber carries out deaeration treatment.Static 1 to 2 days, treat that catalytic curing reaction is complete, the demoulding.
Cause is before silica gel is poured into a mould in the surface smear releasing agent of Rock Joint Plane（Such as glycerine）, so knockout course will not produce glue
Knot and residual.Take appropriate epoxide resin AB component to be mixed, add defoamer, disposably pour into joint plane mould, stand 1
Prepared transparent joint plane A6 and transparent joint plane B7 can be just molded to solidification in 2 days.By transparent joint plane A6 and transparent joint plane
B7 fits to compress up and down and obtains transparent rock joint duplicate 9, is made the single of transparent joint plane A6 and transparent joint plane B7
Transparent joint plane is long by a width of 200 × 100（mm）, thickness is about 15mm, and thickness is about 30mm after two transparent joint planes combinations.
Step 3：Transparent rock joint duplicate 9 is assembled into transparent joint overflow means 22 by Fig. 2, it is fixed, it is transparent
The both sides sealing border of joint overflow means 22 is sealed with water-stop glue.The connection of whole device system is finished by Fig. 6.Adjustment adjusting water
The level of flat bed 24.Electronic balance and collector 33, flat-plate light source 23, CCD camera 26 are opened, the regulation height of CCD camera 26 enters
Row focusing.
Step 4：During the water supply hose 31 of the entrance of peristaltic pump 28 accessed into source of solvent 30（It is clear water in source of solvent 30）, open
Rotating speed is transferred to maximum by peristaltic pump 28, makes the rapid water-filling saturation in joint 8.Qs glycerin increased viscosity can be added in water, is accelerated
Discharge air velocity；Clear zone is water saturation region during joint 8 can be observed by monitoring photo, and dark space has area for bubble；About
After 15 minutes, most of bubble discharge is treated, a changes in flow rate was recorded every one minute, recorded five minutes, try to achieve average value, changed
It is mean flow rate to calculate.
Step 5：Mean flow rate regulation peristaltic pump 28 in control step 4 makes flow velocity be down to about 5mm/s, treats stability of flow
Afterwards, flow volume change values and correspondence head value were read every one minute；The water supply hose 31 of upstream is gone into solute source 29 rapidly
In（Solute source 29 is the aqueous solution containing coloured solute）, start migration experiment.CCD camera 26 is shot with 2 speed per second should
Process, until the solution in the crack at joint 8 is all coloured and without stopping taking pictures after significant change, is stored for analysis.Close
Close peristaltic pump 28.
Step 6：During water supply hose 31 gone into source of solvent 30, peristaltic pump 28 is opened, rinse coloured molten in the crack at joint 8
Liquid, until being remained without obvious color in crack.
Step 7：Circulation step 5,6, tests the migration of all flows of requirement of experiment and completes.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of solute migration process optical measuring device based on rock joint transparent replication product, it is characterised in that：Including bag
Include transparent joint overflow means, optical monitoring system, flow cavitation result and measuring system and data acquisition and analysis system；It is described transparent
The transparent rock joint duplicate of detection to be tested is placed with the overflow means of joint, transparent joint overflow means pass through current control
System and measuring system provide the current of stabilization exact flow rate；The data acquisition and analysis system and optical monitoring system and current control
System and measuring system are connected, and data acquisition and analysis system is used to gather the flow speed data and optics of flow cavitation result and measuring system
Monitoring system is to transparent rock joint duplicate photographed data.
2. a kind of optical measuring device according to claim 1, it is characterised in that：The transparent joint overflow means include two
Block lucite pressing plate, intake chamber and effluent trough, are replicated transparent rock joint to be studied by two pieces of lucite pressing plates
Clamp and fix, the intake chamber and effluent trough are fixed at transparent rock joint duplicate two ends, institute by plastic sealing water respectively
State intake chamber and be provided with the pressure-measuring pipe for measuring hydraulic pressure and the water inlet pipe being connected with flow cavitation result and measuring system；It is described
Effluent trough be provided with breather pipe and and the outlet pipe that is connected with flow cavitation result and measuring system, the transparent rock joint replicates
Product both sides are provided with the sealing silica gel piece for preventing water leakage in joint, and the sealing silica gel piece fixes pressure by side pressing plate
Tightly.
3. a kind of optical measuring device according to claim 1, it is characterised in that：The optical monitoring system includes flat board light
Source and CCD camera, the flat-plate light source and CCD camera are respectively arranged on the bottom and top of transparent rock joint duplicate, described
Flat-plate light source and CCD camera access data acquisition and analysis system by holding wire.
4. a kind of optical measuring device according to claim 3, it is characterised in that：The transparent joint overflow means and optics
In darkroom, the flat-plate light source is White LED flat-plate light source to monitoring system, and the transparent rock joint duplicate is in flat board
Flat-plate light source on light source beyond orthographic projection sticks lighttight black silica gel piece.
5. a kind of optical measuring device according to claim 3, it is characterised in that：The flat-plate light source is located at horizon adjustable bottom
On seat, the horizon adjustable base top is provided with least three adjustment height bolts, by adjusting the height of adjustment height bolt,
To adjust the height and levelness of flat-plate light source and transparent rock joint duplicate disposed thereon.
6. a kind of optical measuring device according to claim 1, it is characterised in that：The flow cavitation result and measuring system include
Peristaltic pump, solute source, source of solvent and electronic balance and collector, the solute source and source of solvent are respectively by with valve
Pipeline is connected with wriggling pump intake, and the wriggling pump discharge is connected by pipeline with the water inlet pipe of transparent joint overflow means, institute
State electronic balance and collector is connected by pipeline with the outlet pipe of transparent joint overflow means, the peristaltic pump and electronic balance
And collector accesses data acquisition and analysis system by holding wire.
7. a kind of optical measuring device according to claim 1, it is characterised in that：The data acquisition and analysis system is one
Computer, for controlling and receiving the information of optical monitoring system and flow cavitation result and measurement system, and claps optical monitoring system
Photographic intelligence is taken the photograph to be analyzed.
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