CN209167071U - A kind of In Rock Seepage Tests device - Google Patents
A kind of In Rock Seepage Tests device Download PDFInfo
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- CN209167071U CN209167071U CN201821809879.4U CN201821809879U CN209167071U CN 209167071 U CN209167071 U CN 209167071U CN 201821809879 U CN201821809879 U CN 201821809879U CN 209167071 U CN209167071 U CN 209167071U
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- cylinder
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- rock
- epicoele
- cylinder body
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Abstract
The utility model discloses a kind of In Rock Seepage Tests devices, including cylinder body, high-pressure pump, liquid delivery pump and vacuum pump, the rubber ring for fixing rock sample is provided in the middle part of cylinder body, the inner space of cylinder body is divided into epicoele and cavity of resorption by rubber ring, the gas outlet of high-pressure pump is connected with triple valve, one of outlet of triple valve is connected to by appendix with epicoele, another outlet of triple valve is connected with reservoir, storage has penetrating fluid in reservoir, reservoir is connected to by perfusion tube with epicoele, under the intracavitary aggregate bin being fixed with for collecting penetrating fluid, the outlet of aggregate bin is connected by the import of inlet tube and liquid delivery pump, the outlet of liquid delivery pump is connected to by outlet tube with reservoir, vacuum pump is connected to by air intake duct with cavity of resorption；Advantage is that test effect is good and the testing time is shorter.
Description
Technical field
The utility model relates to a kind of experimental rig more particularly to a kind of In Rock Seepage Tests devices.
Background technique
Due to the presence in crack and joint in rock, so that rock permeability is to being related to the construction and fortune of rock domain engineering
Row influences significant.Such as in the engineerings such as water conservancy, water power, tunnel, the high osmosis of rock may cause inrush, dam break, water burst
Etc. the generation of great infiltration accident；And in oil gas field engineering, it is low that the low-permeability of rock will will lead to oil gas recovery ratio, very
It can not extremely produce.In addition, the crack as present in rock provides channel for the circulation of liquids and gases, in certain rock power
It learns in test, the crack in rock can be marked and be filled by certain special penetrating fluids based on the permeability of rock,
It plays tracking rock fracture development process and improves rock mechanics purpose.
At present in rock permeability technology, including conventional infiltration and osmosis.One kind is under conventional infiltration condition, to rock
Apply fixed or variation head difference, the penetration signature of rock is obtained by measurement seepage discharge.But since certain rock structures cause
Close, liquid seepage is slow, and conventional osmosis takes a long time and effect is poor；It is another kind of then certain by applying to one end of rock
Pressure accelerates penetrating fluid by rock, shortens the rock permeability time to a certain extent by pressure.
However, existing rock permeability device is all based on measurement rock permeability coefficient and develops, it is not exclusively used in rock
The liquid of stone penetrates into device.
Summary of the invention
The main purpose of the utility model is to provide a kind of rock permeability that test effect is good and the testing time is shorter examinations
Experiment device.
To achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of In Rock Seepage Tests device, including cylinder
Body, high-pressure pump, liquid delivery pump and vacuum pump are provided with the rubber for fixing rock sample in the middle part of the cylinder body
The inner space of the cylinder body is divided into epicoele and cavity of resorption by circle, the rubber ring, and the gas outlet of the high-pressure pump connects
It is connected to triple valve, one of outlet of the triple valve is connected to by appendix with the epicoele, the triple valve
Another outlet be connected with reservoir, storage has a penetrating fluid in the reservoir, the reservoir by perfusion tube with
The epicoele connection, the outlet of the intracavitary aggregate bin being fixed with for collecting penetrating fluid under described, the aggregate bin are logical
It crosses inlet tube to connect with the import of the liquid delivery pump, the outlet of the liquid delivery pump passes through outlet tube and described
Reservoir connection, the vacuum pump are connected to by air intake duct with the cavity of resorption.
It is provided with air inlet switch on the appendix, charging switch, the feed liquor are provided on the perfusion tube
It is provided with feed liquor switch on pipe, liquid switch is provided with out on the outlet tube, is provided with out air cock on the air intake duct.
Visible scale line is provided on the side wall of the cylinder body.Thus facilitate observation infiltration situation.
The In Rock Seepage Tests device further includes temperature monitoring mechanism, and the temperature monitoring mechanism includes temperature inspection
Survey device and the temperature indicator that connects with the temperature detector electrical, the probe of the temperature detector protrude into described in it is upper
Chamber, the temperature indicator are fixed on the side wall of the cylinder body.In the structure, temperature detector will test intracavitary
Temperature Real-time Feedback to temperature indicator, temperature indicator is then used to show numerical value.
The cylinder body is made of top cover, hoop cylinder and bottom cover, and the top cover is fixed on the upper end of the hoop cylinder, and institute
The first sealing ring is provided between the top cover and the hoop cylinder stated, the bottom cover is fixed on the lower end of the hoop cylinder, and
The second sealing ring is provided between the bottom cover and the hoop cylinder.The setting of first sealing ring and the second sealing ring improves
Whole leakproofness.
The hoop cylinder is hingedly formed by left steel cylinder and right steel cylinder by shaft, the left steel cylinder and the right steel cylinder
Between be provided with retention mechanism, and the junction of the left steel cylinder and the right steel cylinder is provided with sealing strip.Thus, it is possible to
The diameter of enough adjusting hoop cylinders in a certain range, is adapted to different size of rock sample.
The retention mechanism includes the left side ear being arranged on the left steel cylinder and is arranged on the right steel cylinder
Right side ear, the left side ear is bolted with the right side ear.It is achieved in the close of left steel cylinder and right steel cylinder
Connection.
Constant pressure valve is fixed on the top cover, the constant pressure valve is connected with pressure gauge.The setting of constant pressure valve can be controlled
The stabilization of epicoele and cavity of resorption pressure difference processed, the intracorporal cavity pressure of master cylinder are in margin of safety always.
The penetrating fluid is the mixed liquor that thermosetting epoxy resin and fluorescein sodium form.Because using heat cured epoxy tree
Rouge, the rock sample for permeating completion are heated at high temperature after a certain period of time, and the penetrating fluid high temperature inside rock sample in preexisting crack is solid
Change, convenient for distinguishing the old and new crack, be convenient for follow-up study, the thermosetting epoxy resin of fluorescein sodium is furthermore added, is shone under ultraviolet lamp
Presentation green is penetrated, it can be after infiltration (or thermosetting), convenient for intuitively checking that penetrating fluid fills situation.
Compared with the prior art, the advantages of the utility model are: the setting of rubber ring is for fixing rock sample, rubber
Circle has certain elasticity, to facilitate placement rock sample；One of outlet of triple valve is connected by appendix and epicoele
It is logical, thus facilitate and pressurizes toward epicoele；Another outlet of triple valve is connected with reservoir, and reservoir is connected by perfusion tube and epicoele
It is logical, the penetrating fluid of reservoir can be taken in epicoele when high-pressure pump work；The setting of aggregate bin facilitates collection to fall
Then penetrating fluid is back in reservoir by the effect of liquid delivery pump, being replenished in time and being discharged convenient for penetrating fluid；Vacuum
Pump is connected to by air intake duct with cavity of resorption, and under the action of vacuum pump and high-pressure pump, epicoele and cavity of resorption form pressure difference, convenient for infiltration
The infiltration of liquid, shortens test period；The utility model test effect is good and the testing time is shorter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic perspective view of cylinder body in the utility model；
Fig. 3 is the cross-sectional view of cylinder body in the utility model；
Fig. 4 is structural schematic diagram when left steel cylinder and right steel cylinder cooperate in the utility model.
Specific embodiment
Utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one: as shown, a kind of In Rock Seepage Tests device, including the conveying of cylinder body 1, high-pressure pump 21, liquid
Pump 22 and vacuum pump 23, the middle part of cylinder body 1 are provided with the rubber ring 24 for fixing rock sample, and rubber ring 24 is by cylinder body 1
Inner space is divided into epicoele 11 and cavity of resorption 12, and the gas outlet of high-pressure pump 21 is connected with triple valve 25, and wherein the one of triple valve 25
A outlet is connected to by appendix 3 with epicoele 11, another outlet of triple valve 25 is connected with reservoir 4, storage in reservoir 4
There is penetrating fluid, reservoir 4 is connected to by perfusion tube 5 with epicoele 11, and the aggregate bin for collecting penetrating fluid is fixed in cavity of resorption 12
6, the outlet of aggregate bin 6 is connect by inlet tube 7 with the import of liquid delivery pump 22, and the outlet of liquid delivery pump 22 is by going out liquid
Pipe 8 is connected to reservoir 4, and vacuum pump 23 is connected to by air intake duct 9 with cavity of resorption 12.
Embodiment two: as shown, a kind of In Rock Seepage Tests device, including the conveying of cylinder body 1, high-pressure pump 21, liquid
Pump 22 and vacuum pump 23, the middle part of cylinder body 1 are provided with the rubber ring 24 for fixing rock sample, and rubber ring 24 is by cylinder body 1
Inner space is divided into epicoele 11 and cavity of resorption 12, and the gas outlet of high-pressure pump 21 is connected with triple valve 25, and wherein the one of triple valve 25
A outlet is connected to by appendix 3 with epicoele 11, another outlet of triple valve 25 is connected with reservoir 4, storage in reservoir 4
There is penetrating fluid, reservoir 4 is connected to by perfusion tube 5 with epicoele 11, and the aggregate bin for collecting penetrating fluid is fixed in cavity of resorption 12
6, the outlet of aggregate bin 6 is connect by inlet tube 7 with the import of liquid delivery pump 22, and the outlet of liquid delivery pump 22 is by going out liquid
Pipe 8 is connected to reservoir 4, and vacuum pump 23 is connected to by air intake duct 9 with cavity of resorption 12.
In the present embodiment, it is provided with air inlet switch 31 on appendix 3, charging switch 51, inlet tube are provided on perfusion tube 5
It is provided with feed liquor switch 71 on 7, liquid switch 81 is provided with out on outlet tube 8, is provided with out air cock on the air intake duct 9
91。
In the present embodiment, visible scale line 13 is provided on the side wall of cylinder body 1.
In the present embodiment, In Rock Seepage Tests device further includes temperature monitoring mechanism 26, and temperature monitoring mechanism 26 includes temperature
Degree detector and the temperature indicator connect with temperature detector electrical, the probe of temperature detector protrude into epicoele 11, temperature display
Device is fixed on the side wall of cylinder body 1.
Embodiment three: as shown, a kind of In Rock Seepage Tests device, including the conveying of cylinder body 1, high-pressure pump 21, liquid
Pump 22 and vacuum pump 23, the middle part of cylinder body 1 are provided with the rubber ring 24 for fixing rock sample, and rubber ring 24 is by cylinder body 1
Inner space is divided into epicoele 11 and cavity of resorption 12, and the gas outlet of high-pressure pump 21 is connected with triple valve 25, and wherein the one of triple valve 25
A outlet is connected to by appendix 3 with epicoele 11, another outlet of triple valve 25 is connected with reservoir 4, storage in reservoir 4
There is penetrating fluid, reservoir 4 is connected to by perfusion tube 5 with epicoele 11, and the aggregate bin for collecting penetrating fluid is fixed in cavity of resorption 12
6, the outlet of aggregate bin 6 is connect by inlet tube 7 with the import of liquid delivery pump 22, and the outlet of liquid delivery pump 22 is by going out liquid
Pipe 8 is connected to reservoir 4, and vacuum pump 23 is connected to by air intake duct 9 with cavity of resorption 12.
In the present embodiment, it is provided with air inlet switch 31 on appendix 3, charging switch 51, inlet tube are provided on perfusion tube 5
It is provided with feed liquor switch 71 on 7, liquid switch 81 is provided with out on outlet tube 8, is provided with out air cock on the air intake duct 9
91。
In the present embodiment, visible scale line 13 is provided on the side wall of cylinder body 1.
In the present embodiment, In Rock Seepage Tests device further includes temperature monitoring mechanism 26, and temperature monitoring mechanism 26 includes temperature
Degree detector and the temperature indicator connect with temperature detector electrical, the probe of temperature detector protrude into epicoele 11, temperature display
Device is fixed on the side wall of cylinder body 1.
In the present embodiment, cylinder body 1 is made of top cover 14, hoop cylinder 15 and bottom cover 16, and top cover 14 is fixed on the upper end of hoop cylinder 15,
And the first sealing ring is provided between top cover 14 and hoop cylinder 15, bottom cover 16 is fixed on the lower end of hoop cylinder 15, and bottom cover 16 and hoop cylinder
The second sealing ring is provided between 15.
In the present embodiment, hoop cylinder 15 is hingedly formed by left steel cylinder 17 and right steel cylinder 18 by shaft, left steel cylinder 17 and right steel
Retention mechanism is provided between cylinder 18, and the junction of left steel cylinder 17 and right steel cylinder 18 is provided with sealing strip.
In the present embodiment, retention mechanism includes the left side ear 19 being arranged on left steel cylinder 17 and is arranged on right steel cylinder 18
Right side ear 20, left side ear 19 are bolted with right side ear 20.
In the present embodiment, constant pressure valve 27 is fixed on top cover 14, constant pressure valve 27 is connected with pressure gauge 28.
In the present embodiment, penetrating fluid is the mixed liquor that thermosetting epoxy resin and a small amount of fluorescein sodium form.
In the present embodiment, the bottom of aggregate bin 6 is inclined to set.
Example IV: a kind of In Rock Seepage Tests method, its step are as follows:
S1: the rubber ring for being wrapped with rock sample is placed in hoop cylinder, adjusts retention mechanism and hoop cylinder is driven to squeeze rubber ring；
S2: bottom cover is installed on hoop cylinder, injects penetrating fluid toward epicoele, and top cover is installed on hoop cylinder later, and adjusts
The limit value of constant pressure valve；
S3: opening air inlet switch and out air cock, closes charging switch, feed liquor switch and liquid switchs out, open simultaneously height
Compression pump and vacuum pump, penetrate into penetrating fluid in the crack of rock sample；
S4: during infiltration, the penetrating fluid surplus in epicoele is observed by visible scale line, if permeated in epicoele
Liquid surplus is insufficient, then closes air inlet switch, goes out air cock, high-pressure pump and vacuum pump, opens simultaneously charging switch, feed liquor is opened
It closes, go out liquid switch and liquid delivery pump, make to penetrate into the penetrating fluid in cavity of resorption and be back in epicoele again；
S5: after the penetrating fluid in cavity of resorption is back to epicoele substantially, step S3 is repeated；
S6: in 3-24 hours, step S4 and S5 repeatedly, until fully penetrating into penetrating fluid in rock sample；At this
In step, cranny development or crack relatively development rock cycle permeate 3 hours, and microfissure is developed rock cycle and permeated 6 hours, fine fisssure
Gap rock cycle permeates 12 hours, and finer and close or tight rock circulation infiltration 24 hours.
S7: rock sample is taken out, rock sample is placed in baking oven, is heated 20-40 minutes in 150-180 DEG C；
S8: taking out rock sample from baking oven, is cooled to room temperature, whether is the penetrating fluid in inspection rock sample crack
Complete hot setting, if being not yet fully cured, repeatedly step S7, until being fully cured.Thus it is convenient for subsequent development mechanics
Rock sample after mechanical test is sliced by experiment, is observed and is distinguished the old and new crack (preexisting crack is filled out by thermosetting resin
It fills, newborn crack is without filling).
Claims (8)
1. a kind of In Rock Seepage Tests device, it is characterised in that: including cylinder body, high-pressure pump, liquid delivery pump and vacuum pump, institute
The rubber ring for fixing rock sample is provided in the middle part of the cylinder body stated, the rubber ring is empty by the inside of the cylinder body
Between be divided into epicoele and cavity of resorption, the gas outlet of the high-pressure pump is connected with triple valve, and one of them of the triple valve goes out
Mouth is connected to by appendix with the epicoele, another outlet of the triple valve is connected with reservoir, the liquid storage
Intracapsular storage has penetrating fluid, and the reservoir is connected to by perfusion tube with the epicoele, intracavitary under described to be fixed with use
Connected in the outlet of the aggregate bin for collecting penetrating fluid, the aggregate bin by the import of inlet tube and the liquid delivery pump
It connects, the outlet of the liquid delivery pump is connected to by outlet tube with the reservoir, and the vacuum pump passes through air intake duct
It is connected to the cavity of resorption.
2. a kind of In Rock Seepage Tests device according to claim 1, it is characterised in that: be provided on the appendix
Air inlet switch is provided with charging switch on the perfusion tube, and feed liquor switch is provided on the inlet tube, and described goes out liquid
It is provided with out liquid switch on pipe, is provided with out air cock on the air intake duct.
3. a kind of In Rock Seepage Tests device according to claim 2, it is characterised in that: set on the side wall of the cylinder body
It is equipped with visible scale line.
4. a kind of In Rock Seepage Tests device according to claim 1, it is characterised in that: the In Rock Seepage Tests dress
Setting further includes temperature monitoring mechanism, the temperature monitoring mechanism include temperature detector and with the temperature detector electrical
The temperature indicator connect, the probe of the temperature detector protrude into the epicoele, and the temperature indicator is fixed on institute
On the side wall for the cylinder body stated.
5. a kind of In Rock Seepage Tests device according to claim 3, it is characterised in that: the cylinder body is by top cover, hoop
Cylinder and bottom cover composition, the top cover are fixed on the upper end of the hoop cylinder, and set between the top cover and the hoop cylinder
It is equipped with the first sealing ring, the bottom cover is fixed on the lower end of the hoop cylinder, and between the bottom cover and the hoop cylinder
It is provided with the second sealing ring.
6. a kind of In Rock Seepage Tests device according to claim 5, it is characterised in that: the hoop cylinder by left steel cylinder and
Right steel cylinder is hingedly formed by shaft, is provided with retention mechanism between the left steel cylinder and the right steel cylinder, and described
The junction of left steel cylinder and the right steel cylinder is provided with sealing strip.
7. a kind of In Rock Seepage Tests device according to claim 6, it is characterised in that: the retention mechanism includes setting
Set on the left steel cylinder left side ear and the right side ear that is arranged on the right steel cylinder, the left side ear and described
Right side ear is bolted.
8. a kind of In Rock Seepage Tests device according to claim 7, it is characterised in that: be fixed with perseverance on the top cover
Pressure valve, the constant pressure valve are connected with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809879.4U CN209167071U (en) | 2018-11-05 | 2018-11-05 | A kind of In Rock Seepage Tests device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809879.4U CN209167071U (en) | 2018-11-05 | 2018-11-05 | A kind of In Rock Seepage Tests device |
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| Publication Number | Publication Date |
|---|---|
| CN209167071U true CN209167071U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809879.4U Expired - Fee Related CN209167071U (en) | 2018-11-05 | 2018-11-05 | A kind of In Rock Seepage Tests device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211757A (en) * | 2018-11-05 | 2019-01-15 | 长安大学 | A kind of In Rock Seepage Tests device and its test method |
-
2018
- 2018-11-05 CN CN201821809879.4U patent/CN209167071U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211757A (en) * | 2018-11-05 | 2019-01-15 | 长安大学 | A kind of In Rock Seepage Tests device and its test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |