CN208476835U - Soil body steam migrates follow-up mechanism under Freezing-Melting Condition - Google Patents
Soil body steam migrates follow-up mechanism under Freezing-Melting Condition Download PDFInfo
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- CN208476835U CN208476835U CN201820768488.6U CN201820768488U CN208476835U CN 208476835 U CN208476835 U CN 208476835U CN 201820768488 U CN201820768488 U CN 201820768488U CN 208476835 U CN208476835 U CN 208476835U
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Abstract
The utility model provides soil body steam migration follow-up mechanism under a kind of Freezing-Melting Condition, belong to ground field of measuring technique, including transparent sample cylinder, Markov bottle, Markov bottle photologging mechanism, picture charge pattern mechanism, purple light lighting mechanism and cryostat mechanism, transparent sample cylinder, Markov bottle, Markov bottle photologging mechanism, picture charge pattern mechanism and purple light lighting mechanism are all set in environment temperature control simulation box；The upper end of transparent sample cylinder is equipped with top cover, and lower end is equipped with pedestal；The top of pedestal is equipped with insulating course；Multiple temperature sensors and multiple moisture transducers are equipped with along short transverse on transparent sample cylinder；Top cover is equipped with displacement meter.Steam provided by the utility model migrates follow-up mechanism, be able to solve it is existing in the prior art can not study steam Transport, the technical problem that visuality is poor, test error is larger.
Description
Technical field
The utility model belongs to ground field of measuring technique, is to be related to soil mass water under a kind of Freezing-Melting Condition more specifically
Vapour migrates follow-up mechanism.
Background technique
In recent years, China has built a large amount of high-speed railway in seasonal frozen soil region.Engineering experience shows thick
A degree of frost heave can still occur for particulate filler roadbed.Set about from the mechanism of water translocation, discloses its frost-heaving deformation machine comprehensively
Reason can provide theoretical foundation for the stability prediction of seasonal frozen soil region high-speed rail roadbed and operation maintenance.And in coarse-grained soil
Water translocation, is divided into steam migration and liquid water migrates two kinds of migration patterns, and wherein steam migration causes in coarse-grained soil subgrade
Influence should not be underestimated.
Traditional frost heave experimental rig can not study the Transport of liquid water and vaporous water respectively, to can not really disclose
The mechanism of water translocation in coarse-grained soil.Since coarse-grained soil is different with the structure of fine grained soil, the water translocation in coarse-grained soil more has can
There can be very big relationship with vaporous water.From the mechanism of the angle research water translocation of vaporous water, cold area's roadbed more can be effectively disclosed
The reason of frost heaving failure occurs, so as to solve the problems, such as that high-speed rail roadbed frost damage proposes new frozen prevention measures.
Utility model content
The purpose of this utility model is to provide soil body steams under a kind of Freezing-Melting Condition to migrate follow-up mechanism, existing to solve
Steam Transport can not be studied present in technology, the technical problem that visuality is poor, test error is larger.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides soil body steam under a kind of Freezing-Melting Condition
Migrate follow-up mechanism, comprising:
Transparent sample cylinder, for holding the soil body, the upper end of the transparent sample cylinder is equipped with to be slidably matched with the transparent sample cylinder
Top cover, lower end are equipped with the pedestal for sealing；The top of the pedestal and be located at the transparent sample cylinder in be equipped with for obstructing water
Into the insulating course of the soil body, the insulating course is equipped with the aperture passed through for steam；Along short transverse on the transparent sample cylinder
Equipped with multiple temperature sensors for detecting soil temperature and multiple moisture transducers for being used to detect soil body moisture；The top
Cover the displacement meter being equipped with for detecting body frost heaving amount；
Markov bottle, the pipeline by passing through the pedestal is connected to the transparent sample cylinder, for into the transparent sample cylinder
Moisturizing；
Markov bottle photologging mechanism is arranged, for recording SEA LEVEL VARIATION shadow in the Markov bottle close to the Markov bottle
Picture；
Picture charge pattern mechanism is connected with image acquisition and processing terminal called, for tracking steam in the transparent sample cylinder
Variation；
Purple light lighting mechanism, close to the transparent sample cylinder setting, for showing the steam of described image tracking mechanism tracking；
Cryostat mechanism, the upper circulating coil including being set in the top cover and the lower circulating coil in the pedestal,
The upper circulating coil and the lower circulating coil pass through pipeline and are connected with external temperature control mechanism, for freezing to the soil body
Or melt；
Environment temperature control simulation box, the transparent sample cylinder, the Markov bottle, Markov bottle photologging mechanism, the figure
It is all set in the environment temperature control simulation box as tracking mechanism and the purple light lighting mechanism, for providing soil body environment temperature
Degree.
Further, multiple temperature sensors are uniformly distributed along the short transverse of the transparent sample cylinder, and multiple institutes
State angle of the center line formation less than 90 degree of the straight line and the transparent sample cylinder that are formed after temperature sensor is connected.
Further, multiple moisture transducers are uniformly distributed along the short transverse of the transparent sample cylinder, and multiple institutes
State the straight line parallel formed after the straight line formed after moisture transducer is connected is connected with multiple temperature sensors.
Further, the insulating course includes the lantern ring being connected with the sealing of the inner wall of the transparent sample cylinder and is installed on described
Lantern ring is interior and is uniformly provided with the water-stop sheet of several apertures, and the diameter of the aperture is less than or equal to 1mm.
Further, the purple light lighting mechanism includes bracket and multiple ultraviolet lights being installed on the bracket, described
It is provided on bracket multiple for installing the ultraviolet light detent of the ultraviolet light.
Further, the bracket includes the vertical plate that bottom plate and two are vertical at the bottom plate, on two vertical plates
Multiple ultraviolet light detents are uniformly provided with along its short transverse, the ultraviolet light detent is set to the inside of the vertical plate.
Further, the purple light lighting mechanism is located between the transparent sample cylinder and described image tracking mechanism.
Further, described image tracking mechanism includes camera and the rack for being used to support the camera.
Further, the lower section in the rack and positioned at the camera is equipped with light compensating lamp.
Further, the top of the top cover is equipped with the insulating layer for keeping the transparent sample cylinder internal temperature.
The beneficial effect of soil body steam migration follow-up mechanism is under Freezing-Melting Condition provided by the utility model:
The utility model completely cuts off extraneous liquid water using insulating course, only allows vaporous water by entering the soil body, to guarantee
Research object is vaporous water；
Soil body moisture, temperature and frost heaving amount dynamic changes are monitored with three kinds of different sensors, while utilizing picture charge pattern
Mechanism constantly monitors simultaneously the dynamic migration process of steam and liquid water in each level soil body frozen-thaw process in transparent sample cylinder
Timing acquiring image；
Stablize purple light light source using purple light lighting mechanism, so that picture charge pattern mechanism, which is easy to capture from Markov bottle, enters soil
Steam in body, using SEA LEVEL VARIATION image in Markov bottle photologging mechanism record Markov bottle, by carrying out two-value to image
Change processing obtains the steam migration migration that steam migrates under proportion and different condition during entire water translocation
The parameters such as rate, migration path, the amount of migration, the rule migrated by aqueous vapor in analysis and summary frozen-thaw process are high to analyze cold area
The Frost heaving mechanism of fast railway bed provides the necessary technical guarantee.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural representation that soil body steam migrates follow-up mechanism under Freezing-Melting Condition provided by the embodiment of the utility model
Figure；
Fig. 2 is that soil body steam migrates transparent sample cylinder in follow-up mechanism under Freezing-Melting Condition provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 3 is the section view that soil body steam migrates lantern ring in follow-up mechanism under Freezing-Melting Condition provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 4 is the overlooking structure diagram of Fig. 3；
Fig. 5 is the knot that soil body steam migrates water-stop sheet in follow-up mechanism under Freezing-Melting Condition provided by the embodiment of the utility model
Structure schematic diagram；
Fig. 6 is that soil body steam migrates purple light flare-aircraft in follow-up mechanism under Freezing-Melting Condition provided by the embodiment of the utility model
The structural schematic diagram of the bracket of structure.
Wherein, each appended drawing reference in figure:
The transparent sample cylinder of 101-；102- top cover；103- pedestal；201- insulating layer；301- insulating course；401- Markov bottle；501-
Cryostat mechanism；601- environment temperature control simulation box；701- picture charge pattern mechanism；702- Markov bottle photologging mechanism；711- light filling
Lamp detent；721- camera；801- displacement meter detent；802- temperature sensor channel；803- moisture transducer channel；901- purple light
Lighting mechanism；911- ultraviolet light detent；311- lantern ring；321- water-stop sheet.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Referring to Fig. 1, existing be illustrated soil body steam migration follow-up mechanism under Freezing-Melting Condition provided by the utility model.
Soil body steam migrates follow-up mechanism, including transparent sample cylinder 101, for holding the soil body, transparent sample cylinder 101 under the Freezing-Melting Condition
Upper end is equipped with the top cover 102 being slidably matched with transparent sample cylinder 101, and lower end is equipped with the pedestal 103 for sealing；Pedestal 103 it is upper
Square and interior equipped with the insulating course 301 for entering the soil body for obstructing water positioned at transparent sample cylinder 101, insulating course 301 is equipped with for water
The aperture that vapour passes through；It is equipped on transparent sample cylinder 101 along short transverse multiple for detecting the temperature sensors of soil temperature and more
A moisture transducer for being used to detect soil body moisture；Top cover 102 is equipped with the displacement meter for detecting body frost heaving amount；
Markov bottle 401, the pipeline by passing through pedestal 103 is connected to transparent sample cylinder 101, for into transparent sample cylinder 101
Moisturizing；
Markov bottle photologging mechanism 702 is arranged, for recording SEA LEVEL VARIATION shadow in Markov bottle 401 close to Markov bottle 401
Picture；
Picture charge pattern mechanism 701 is connected with image acquisition and processing terminal called, for tracking steam in transparent sample cylinder 101
Variation；
Purple light lighting mechanism 901 is arranged by near-transparent sample cylinder 101, the water tracked for showing picture charge pattern mechanism 701
Vapour；
Cryostat mechanism 501, the upper circulating coil including being set in top cover 102 and the lower circulating coil in pedestal 103,
Upper circulating coil and lower circulating coil pass through pipeline and are connected with external temperature control mechanism, for being freezed to the soil body or being melted；
Environment temperature control simulation box 601, transparent sample cylinder 101, Markov bottle 401, Markov bottle photologging mechanism 702, image chase after
Track mechanism 701 and purple light lighting mechanism 901 are all set in environment temperature control simulation box 601, for providing soil body environment temperature.
Under Freezing-Melting Condition provided by the utility model soil body steam migrate follow-up mechanism, compared with prior art, using every
Tomography 301 completely cuts off liquid water, achievees the purpose that study liquid water respectively and vaporous water Transport, insulating course 301 are independent knots
Structure, thus whether its setting, setting position and quantity can be arranged by oneself according to testing program, have stronger flexibility,
It can satisfy different test demands；The soil body is irradiated using purple light lighting mechanism 901, utilizes the vapour complex location soil body
The rule to darken enables the transition process of vaporous water, path, rate to be recorded, to realize steam migration
Dynamic tracing；Extraneous liquid water is marked using tracer, during water translocation, having fluorescein-labeled is moving for liquid water
It moves, the migration for the as vaporous water that no fluorescein marks and soil body color is deepened with transition process, so as to distinguish migration
Liquid water and vaporous water in the process；Stablize purple light light source using purple light lighting mechanism 901, and ultraviolet light is made to be in optimal location
To play maximum effect；Bucket is loaded as the soil body using transparent sample cylinder 101 and matched pedestal 103, realizes that frozen-thaw process is visual
Change, while being conducive to soil body heat preservation；The transparent sample cylinder 101 and described image tracking mechanism 701 are arranged in the environment temperature
Simulation box 601 is controlled, test space is larger, facilitates Control experiment process, and environment temperature control 601 cooling rates of simulation box are fast, temperature control
Accurately, intelligence is conducive to the preciseness and convenience that keep test.
Wherein, it in order to seal pedestal 103 and transparent sample cylinder, is provided between transparent sample cylinder 101 and pedestal 103 O-shaped
Sealing ring, transparent sample cylinder 101 are double layer hollow lucite cylinder, and light transmittance is at least up to 97%.It is organic using double layer hollow
Glass infuser is conducive to the control of soil temperature, makes it not by the interference of ambient temperature, the temperature of temperature sensor detection is really anti-
Reflect the temperature of the soil body.Disposable tempering film is posted in the inner wall of double layer hollow lucite cylinder, to protect cylinder inboard wall.This reality
It, can also be using square prism structure or other positive polygon prisms with the novel transparent sample cylinder 101 used for hollow cylindrical structure
Structure, certainly, corresponding pedestal 103, top cover 102, the soil body contour structures do corresponding adjustment.
Wherein, Markov bottle 401 is arranged between horse back bottle image mechanism and transparent sample cylinder 101, and the line of three is saturating
The diametrical direction of bright sample cylinder 101, the pipeline between Markov bottle 401 and transparent sample cylinder 101 use rubber tube, and rubber tube passes through pedestal
103 and concordant with the upper surface of pedestal 103.It is placed with tracer in Markov bottle 401, to utilize Markov bottle 401 to the soil body
Sample carries out moisturizing and marks institute's moisturizing point.
Wherein, displacement meter is mounted on top cover 102, does not penetrate top cover 102, when body frost heaving, can be pushed up upwards with frozen soil
Top cover 102 is played, displacement meter moves up with top cover 102, can accurately detect the frost heaving amount of the soil body, provide test data；And it is arranged multiple
Moisture transducer and temperature sensor can detecte moisture and temperature when different location is with frost heave or thawing in the soil body, provide
Each position constantly situation of change data in the soil body.
The utility model adjusts soil temperature by cryostat mechanism 501, simulates the frozen-thaw process of the soil body；It is monitored with sensor
The variation of moisture, temperature field and frost heaving amount in frozen-thaw process, while by 701 timing acquiring image of picture charge pattern mechanism, thus
The parameters such as migration rate, migration path, the amount of migration that steam migrates under different condition are obtained, by analysis and summary frozen-thaw process
The rule of steam migration.Present apparatus structure is simple, analog parameter is accurate, and can effectively track the process of steam migration, really
Ground reflects the freeze thawing parameter of the practical soil body.
Further, it also referring to Fig. 1 to Fig. 2, is moved as soil body steam under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment of follow-up mechanism is moved, multiple temperature sensors are uniformly distributed along the short transverse of transparent sample cylinder 101, and
The center line of straight line and transparent sample cylinder 101 that multiple temperature sensors are formed after being connected forms the angle less than 90 degree.Wherein, most
Preferred angle is 60 degree.The utility model temperature sensor is distributed not on same vertical line in ladder, in this way may be used
To detect the temperature and moisture of different parts in length and breadth, so that the data of monitoring are more authentic and valid.Wherein, on transparent sample cylinder 101
Mounting temperature sensor and the corresponding temperature sensor channel 802 of moisture transducer and moisture transducer channel 803 are set.
Further, Fig. 1 to Fig. 2 is please referred to, is chased after as soil body steam migration under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment of track device, multiple moisture transducers are uniformly distributed along the short transverse of transparent sample cylinder 101, and multiple
The straight line parallel that the straight line that moisture transducer is formed after being connected is formed after being connected with multiple temperature sensors.Setting in this way
It sets, so that the point of monitoring is more reasonable, obtains authentic and valid data, it may have it is comparative, it is, of course, also possible to using other
Laying mode.
Further, refering to fig. 1, Fig. 3 to Fig. 5, migrated as soil body steam under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment of follow-up mechanism, insulating course 301 include sealing the lantern ring 311 being connected with the inner wall of transparent sample cylinder 101
It is less than or equal to 1mm with the diameter of the water-stop sheet 321 for being installed in lantern ring 311 and being uniformly provided with several apertures, aperture.Wherein,
High 20mm, material are stainless steel, and water-stop sheet 321 is steel plate, and steel plate is welded on 311 inner wall of lantern ring, according to the purpose of test, partition
Layer 301 can unrestricted choice whether place and placement location, when Tracing Experiment steam, it is necessary to place insulating course 301, only allow gas
State water passes through, and enters the soil body for obstructing liquid water, realizes the function of distinguishing liquid water and steam migration；When tracking liquid water
When, insulating course 301 can not be placed, or increase the diameter of the aperture on insulating course 301, pass through moisture.Wherein insulating course 301 with
The gap for accommodating liquid water is equipped between pedestal 103, the position of 401 moisturizing of Markov bottle reaches a subluxation of 301 height of insulating course
It sets namely the height waterborne for being raised to 301 aperture half of insulating course, no longer rises.
Further, Fig. 1 and Fig. 6 is please referred to, is chased after as soil body steam migration under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment of track device, purple light lighting mechanism 901 include bracket and multiple ultraviolet lights being installed on bracket, branch
It is provided on frame multiple for installing the ultraviolet light detent 911 of ultraviolet light.Wherein, can pacify in each ultraviolet light detent 911
A ultraviolet light is filled, the installation number of ultraviolet light can also be selected according to actual needs.
Further, Fig. 1 and Fig. 6 is please referred to, is chased after as soil body steam migration under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment of track device, bracket include the vertical plate that bottom plate and two are vertical at bottom plate, along it on two vertical plates
Short transverse is uniformly provided with multiple ultraviolet light detents 911, and ultraviolet light detent 911 is set to the inside of the vertical plate.
Further, refering to fig. 1, as soil body steam migration follow-up mechanism under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment, purple light lighting mechanism 901 is between transparent sample cylinder 101 and picture charge pattern mechanism 701.Control image
Track mechanism 701 and the distance between purple light lighting mechanism 901 and transparent sample cylinder 101 respectively 600mm and 200mm, and camera
Both 721 camera lens height distance ground 150mm, aperture 1.8,20000 microsecond of time for exposure, can play to the maximum extent
Effect captures the variation that steam migrates in test specimen tube.
Further, referring to Fig. 1, migrating follow-up mechanism as soil body steam under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment, picture charge pattern mechanism 701 includes camera 721 and is used to support the rack of the camera 721, rack
Lower section that is upper and being located at camera 721 is equipped with light compensating lamp, for feeding required light of taking pictures.Wherein, camera 721 is using industrial phase
Machine, can automatic collection image, strengthen the control to the time during test, reduce human interference；It is filled using picture charge pattern
The light compensating lamp detent 711 set carries out appropriate light filling to the sample during taking pictures, preferably to record image detail.Industrial phase
Add polarizing film before machine camera lens, the interference of useless ultraviolet light is greatly reduced, in the effect for enhancing image.Image acquisition and processing is whole
End can use computer, and install matched software, handle image.
Further, referring to Fig. 1, migrating follow-up mechanism as soil body steam under Freezing-Melting Condition provided by the utility model
A kind of specific embodiment, the top of top cover 102 is equipped with the insulating layer for keeping transparent 101 internal temperature of sample cylinder
201.102 top of top cover is set to as insulating layer 201 using heat-preservation cotton, is conducive to the control of temperature.
The process for carrying out soil body steam migration Tracing Experiment under Freezing-Melting Condition using the present apparatus is as follows:
The soil body is put into environment temperature control simulation box 601, and sealing and standing t hours；
Tracer is soluble in water according to a certain percentage and pours into Markov bottle 401；
After after uniform moisture in the soil body and reaching predetermined temperature, soil body layering is poured into and is placed with the transparent of insulating course 301
In sample cylinder 101, and moisture transducer and temperature sensor are installed on transparent sample cylinder 101；
Top cover 102 installs displacement meter on top cover 102；
The soil body is freezed using cryostat mechanism 501；
Moisturizing is carried out to the soil body using Markov bottle 401, and opens Markov bottle photologging mechanism 702 in Markov bottle 401
Moisture situation of change recorded in real time；
Purple light lighting mechanism 901 and picture charge pattern mechanism 701 are opened to sample automatic collection image；
After the completion of freezing, cryostat mechanism 501 is recycled to melt the soil body；
After steam migrates Tracing Experiment, top cover 102 is removed, separated layer water cut measurement is carried out to the soil body.
In test, lantern ring is first placed in transparent sample cylinder, adjusts water surface elevation in Markov bottle 401, controls the water surface in lantern ring
Height is about the 1/2 of its height, then places water-stop sheet with holes.Height and orifice size of insulating course etc. is set and is placed
Position, purpose are as follows: first is that the liquid water in lantern ring can be observed, the height risen in the aperture of water-stop sheet guarantees gaseous state
Water migrates upwards, and does not influence the temperature control effect of pedestal；Second is that the water-stop sheet with holes of setting completely cuts off liquid water, it can play and hold
The top soil body is carried, while it is also ensured that the soil body does not fall obstructing air holes, vaporous water may be implemented continuously to migrate.
During test, the reactor solution in Markov bottle 401 enters in insulating course 301, and insulating course 301 blocks liquid
Water makes vaporous water continue up migration under temperature difference or water content gradient effect, and liquid water develops the color under ultraviolet light, vaporous water
The soil body darkens in transition process, stablizes ultraviolet light using purple light lighting mechanism 901, can directly be seen using transparent sample cylinder 101
Examine or monitor the dynamic change of liquid water and vapour complex in frozen-thaw process；Circulating coil in pedestal 103 and top cover 102 can
Regulate and control soil temperature, simulates the frozen-thaw process of the soil body.The apparatus structure is simple, test is quick, realizes visualization, and can chase after respectively
The transition process of track liquid water and vaporous water.
It further illustrates, can be monitored under sealing condition and open condition respectively using the utility model embodiment
The situation of steam migration.
The wherein research implementation process that steam migrates under sealing condition are as follows:
Referring to attached drawing 1 to attached drawing 5, reactor solution is admixed in soil sample first with initial moisture, is put into environment temperature control mould
Quasi- 601 sealing and standing of case 12 hours, soil layering is poured into after after uniform moisture in soil sample and reaching predetermined temperature and is placed with partition
In the transparent sample cylinder 101 of layer 301 and it is inserted into moisture and temperature sensor, wherein insulating course 301 need to be put into phase according to requirement of experiment
Position is answered to completely cut off the migration of liquid water.Top cover 102 wraps heat-preservation cotton above top cover 102, forms insulating layer 201, and
Displacement meter is set in displacement meter detent 801, is respectively communicated with cryostat mechanism using the circulating coil in top cover 102 and pedestal 103
501, recycle cryostat mechanism 501 to freeze sample, while placing according to transparent sample cylinder 101 at a distance of the position of 200mm
Purple light lighting mechanism 901 places picture charge pattern mechanism 701 at a distance of the position of 600mm according to transparent sample cylinder, and opens ultraviolet light
And picture charge pattern mechanism 701, the light compensating lamp detent 711 in picture charge pattern mechanism 701 is adjusted as needed, to sample automatic collection
Image.It after the completion of freezing, recycles cryostat mechanism 501 to melt sample, removes sample after the test, sample is carried out
Separated layer water cut measurement.And numeralization processing is carried out using image of the matlab and photoshop to acquisition.
The research implementation process that steam migrates under open condition are as follows:
It prepares soil sample as required first, 12 hours is stood in environment temperature simulation case 601, by tracer according to 6g/L's
Ratio is soluble in water and pours into Markov bottle 401, and connection pedestal 103 and Markov bottle 401 clamp rubber tube, insulating course 301 put
Enter transparent 101 bottom of sample cylinder or is put into any position in transparent sample cylinder 101 by test requirements document, it will after uniform moisture in soil sample
Moisture and temperature sensor are poured into transparent sample cylinder 101 and are inserted into soil layering, and heat preservation is arranged in top cover 102 on top cover 102
Layer 201, and displacement meter is placed, using the cryostat mechanism 501 and environment temperature control simulation box 601 of top cover 102 and pedestal 103 to sample
Constant temperature processing is carried out, after soil sample internal temperature reaches setting value, the cryostat mechanism 501 in top cover 102 is recycled to carry out sample
Freeze, while Markov bottle 401 being allowed to carry out moisturizing to sample, is shone according to purple light is placed at a distance of the position of 200mm with transparent sample cylinder 101
Bright mechanism 901 places picture charge pattern mechanism 701 at a distance of the position of 600mm according to transparent sample cylinder, and opens ultraviolet light and image
Mechanism 701 is tracked, adjusts the light compensating lamp detent 711 in picture charge pattern mechanism 701 as needed, to sample automatic collection image,
The moisture situation of change in Markov bottle is recorded in real time using Markov bottle photologging mechanism 702.After the completion of freezing, then benefit
Sample is melted with cryostat mechanism 501, removes sample after the test, separated layer water cut measurement is carried out to sample.And benefit
Numeralization processing is carried out with image of the Matlab and Photoshop to acquisition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. soil body steam migrates follow-up mechanism under Freezing-Melting Condition characterized by comprising
Transparent sample cylinder, for holding the soil body, the upper end of the transparent sample cylinder is equipped with the top cover being slidably matched with the transparent sample cylinder,
Lower end is equipped with the pedestal for sealing；The top of the pedestal and it is located to be equipped in the transparent sample cylinder and for obstructing water enters soil
The insulating course of body, the insulating course are equipped with the aperture passed through for steam；Along short transverse equipped with more on the transparent sample cylinder
A temperature sensor and multiple moisture transducers for being used to detect soil body moisture for detecting soil temperature；It is set on the top cover
There is the displacement meter for detecting body frost heaving amount；
Markov bottle, the pipeline by passing through the pedestal are connected to the transparent sample cylinder, are used for the moisturizing into the transparent sample cylinder；
Markov bottle photologging mechanism is arranged, for recording SEA LEVEL VARIATION image in the Markov bottle close to the Markov bottle；
Picture charge pattern mechanism is connected with image acquisition and processing terminal called, for tracking the variation of steam in the transparent sample cylinder；
Purple light lighting mechanism, close to the transparent sample cylinder setting, for showing the steam of described image tracking mechanism tracking；
Cryostat mechanism, the upper circulating coil including being set in the top cover and the lower circulating coil in the pedestal, it is described
Upper circulating coil and the lower circulating coil pass through pipeline and are connected with external temperature control mechanism, for being freezed to the soil body or being melted
Change；
Environment temperature control simulation box, the transparent sample cylinder, the Markov bottle, Markov bottle photologging mechanism, described image chase after
Track mechanism and the purple light lighting mechanism are all set in the environment temperature control simulation box, for providing soil body environment temperature.
2. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as described in claim 1, it is characterised in that: multiple temperature
Sensor is uniformly distributed along the short transverse of the transparent sample cylinder, and multiple temperature sensors be connected after the straight line that is formed with
The center line of the transparent sample cylinder forms the angle less than 90 degree.
3. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as claimed in claim 2, it is characterised in that: multiple moisture
Sensor is uniformly distributed along the short transverse of the transparent sample cylinder, and multiple moisture transducers be connected after the straight line that is formed with
The straight line parallel that multiple temperature sensors are formed after being connected.
4. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as described in claim 1, it is characterised in that: the insulating course packet
It includes and the inner wall of the transparent sample cylinder lantern ring that is connected of sealing and is installed in the lantern ring and to be uniformly provided with several described small
The diameter of the water-stop sheet in hole, the aperture is less than or equal to 1mm.
5. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as described in claim 1, it is characterised in that: the purple light illumination
Mechanism includes bracket and multiple ultraviolet lights being installed on the bracket, is provided on the bracket multiple for installing the purple
The ultraviolet light detent of light lamp.
6. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as claimed in claim 5, it is characterised in that: the bracket includes
Bottom plate and two are vertical at the vertical plate of the bottom plate, are uniformly provided with multiple purples along its short transverse on two vertical plates
Light lamp detent, the ultraviolet light detent are set to the inside of the vertical plate.
7. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as described in claim 1, it is characterised in that: the purple light illumination
Mechanism is located between the transparent sample cylinder and described image tracking mechanism.
8. soil body steam migrates follow-up mechanism under Freezing-Melting Condition as described in claim 1, it is characterised in that: described image tracking
Mechanism includes camera and the rack for being used to support the camera.
9. under Freezing-Melting Condition as claimed in claim 8 soil body steam migrate follow-up mechanism, it is characterised in that: in the rack and
Light compensating lamp is equipped with positioned at the lower section of the camera.
10. as soil body steam migrates follow-up mechanism under the described in any item Freezing-Melting Conditions of claim 1-9, it is characterised in that: institute
The top of top cover is stated equipped with the insulating layer for keeping the transparent sample cylinder internal temperature.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844988A (en) * | 2018-05-22 | 2018-11-20 | 石家庄铁道大学 | Soil body steam migration follow-up mechanism and Tracing Experiment method under Freezing-Melting Condition |
| CN110031367A (en) * | 2019-03-28 | 2019-07-19 | 绍兴文理学院元培学院 | A kind of frozen soil steam migration monitoring device |
| CN113125496A (en) * | 2021-03-26 | 2021-07-16 | 北京中煤矿山工程有限公司 | Portable multifunctional small-sized freezing simulation test system and simulation method |
| CN116465811A (en) * | 2023-04-24 | 2023-07-21 | 西南石油大学 | Soil body permeability coefficient test system and method |
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2018
- 2018-05-22 CN CN201820768488.6U patent/CN208476835U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844988A (en) * | 2018-05-22 | 2018-11-20 | 石家庄铁道大学 | Soil body steam migration follow-up mechanism and Tracing Experiment method under Freezing-Melting Condition |
| CN110031367A (en) * | 2019-03-28 | 2019-07-19 | 绍兴文理学院元培学院 | A kind of frozen soil steam migration monitoring device |
| CN110031367B (en) * | 2019-03-28 | 2024-07-02 | 绍兴文理学院元培学院 | Frozen soil vapor migration monitoring devices |
| CN113125496A (en) * | 2021-03-26 | 2021-07-16 | 北京中煤矿山工程有限公司 | Portable multifunctional small-sized freezing simulation test system and simulation method |
| CN116465811A (en) * | 2023-04-24 | 2023-07-21 | 西南石油大学 | Soil body permeability coefficient test system and method |
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