CN109374507A - A kind of experimental rig of test simulation scall water permeability - Google Patents
A kind of experimental rig of test simulation scall water permeability Download PDFInfo
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- CN109374507A CN109374507A CN201811480944.8A CN201811480944A CN109374507A CN 109374507 A CN109374507 A CN 109374507A CN 201811480944 A CN201811480944 A CN 201811480944A CN 109374507 A CN109374507 A CN 109374507A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000035699 permeability Effects 0.000 title claims abstract description 19
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000005303 weighing Methods 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000010835 comparative analysis Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 208000002925 dental caries Diseases 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of experimental rigs of test simulation scall water permeability, including integral support system, sample mount system, sealing system, pressurizing device, water storage and water delivery device, sample bogey, weighing device；Wherein, its principle can be summarized as providing driving source through simulated formation sample for water body to the water body pressurization in water storage and water delivery device by pressurizing device, and changed by weighing system registration to reflect permeable amount and permeation rate, the water permeability of reaction test stratum sample is carried out with this.The present invention can carry out the different permeable pressure of consideration, the water permeability of test sample under more conditionals such as Different Strata sample form, internal structure and physical property, design device is easy to intuitively monitor the permeation rate of sample and the situation of change of permeable amount under multifactor impact in real time, and test result and numerical simulation result comparative analysis can realize the inverting to simulated formation sample water permeability parameter.
Description
Technical field
The present invention relates to the seepage characteristics on Deep Mine underground water stratum and Research of Agglomeration Effect technical field, propose one
The experimental rig of kind test simulation scall water permeability.
Background technique
Coal Resource Development enters after deep, and geological structure is more and more complicated.And it will have more and more not of the same race
The geological structure of class appears in deep mining stratum.But the influence for geological structure to underground mine construction production, still
Non- someone dabbles.When be generally lauched in stratum in heterogeneity be mingled with other geological structures when, for its macroscopic perspective, other ground
The presence that texture is made can greatly reduce mine groundwater stratum in the form of " wearing layer " through mine groundwater stratum
Homogenieity and stability.It is architectonic to there is the primary knot that greatly change underground water stratum for its microcosmic angle
Structure, and then migration pathway and mode will cause when water body migration is obstructed and generates local cluster with influencing coal seam inside water body
The held hydraulic pressure of this part rock mass increases, serious to cause the coal rock dynamic disasters such as Water Inrush.
It changes for a kind of angle, if we can be fully utilized such influence by system research, by type
Effect that texture was made gather is successfully applied to the construction of mine groundwater library, not only can greatly alleviate China's coal-mine production of water
The status of scarcity of resources can also fill up the deficiency that the production and construction of mine underground are studied about geological structure in the field.Therefore,
It researches and develops one kind and can test under different permeable pressure, Different Strata sample form, internal structure and physical property condition Imitating
The water permeability experimental rig of scall carries out analog simulation test, inquires into various factors coupling effect with going down into a mine underground water
The seepage characteristic and Research of Agglomeration Effect of layer can provide one using two aspects for scientific prevention and cure coal mine flood and water resource simultaneously
Fixed theoretical foundation and on-the-spot guidance.
Summary of the invention
It is an object of the invention to be based on the theory of similarity, the infiltration that one kind of multiple Variable Conditions go down into a mine underground water stratum is provided
The experimental rig of properties of flow and Research of Agglomeration Effect, the device provided can realize under different permeable pressure, Different Strata sample
Form, internal structure and physical property condition Imitating scall water permeability experimental test.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of experimental rig of test simulation scall water permeability, including integral support system, sample mount system,
Sealing system, pressurizing device, water storage and water delivery device, sample bogey, weighing device；The integral support system is by bracket
Upper top, bracket base and the vertical pillar composition of bracket；The sample mount system is by the vertical pillar of sample cavity, sample cavity
Lateral struts composition.
The sealing system includes covering to seal on piston seal, mobile piston pressurization formula water storage tank and sample cavity
Covering and circular specimen cavity sealing ring on circle, sample cavity are mainly used to realize in experiment pressure process, each connecting portion
Sealing impermeability, wherein each position sealing ring is made of fixed thread and sealant.
The pressurizing device includes jack cylinder, jack jacking；The jack cylinder is given by mating hydraulic pump
Pressure realizes the rise and landing of jack jacking, and by the real-time observation station of mating pressure gauge to pressure；The jack jacking
It is connect by piston seal with the mobile piston of water storage tank.
The water storage and water delivery device on mobile piston pressurization formula water storage tank, circular specimen cavity including covering.The shifting
Piston adding pressure type water storage tank includes mobile piston, water storage tank, storage chamber, piston seal.Wherein, mobile piston region is logical
It crosses piston seal and jack jacking connects, hydraulic pressure, water storage tank bottom are added to sample by the up and down motion realization of mobile piston
Portion is connected by covering in covering on circular specimen cavity and water storage tank sealing ring and circular specimen cavity；The circular specimen chamber
Covering includes covering on intake tunnel, sample cavity and covering bottom screen group on cavity sealing ring, par slot and sample on body
At, wherein covering is connect by cover on sample cavity with cavity sealing ring with sample cavity on circular specimen cavity, par slot with
The permeable sieve in upper covering bottom mainly realizes that suffered hydraulic pressure is uniform everywhere on simulated formation sample top.
The sample bogey includes that circular specimen cavity, drawing out type square coupons tank and bracket and cavity are fixed
Bolt.The bracket and cavity fixing bolt are used to that sample mount system is cooperated to make the firm of circular specimen cavity, the circular specimen
Cavity is mainly used to realize the aid stabilization of square shaped sample carrier, and the drawing out type square coupons tank includes surrounding Gao Gang
Strength steel sheet and the permeable sieve of steel plinth, wherein simulated formation sample needs to use with sample carrier surrounding contact site and top
Sealant is sealed, and is revealed to ensure against water from sample carrier surrounding.
The weighing device includes rectangular pallet, hydrophilic active charcoal, the weighing gentle standard square rigid body pedestal in day.The parent
Water active carbon is used to receive and fully absorb the water penetrated from sample, and the weighing balance is used to the change by observing its registration
Change the variation to realize monitoring permeable amount and permeation rate, the standard square rigid body pedestal is mainly used to guarantee at weighing balance
In horizontal steady state.
Beneficial effects of the present invention:
1, the present invention can carry out the test of Deep Mine underground water stratum Penetration Signature analog simulation, while can realize to difference
Under permeable pressure, Different Strata sample form, the examination of the Penetration Signature of internal structure and physical property condition Imitating scall
Test examination.
2, the present invention can carry out the concentration effect analog simulation on Deep Mine underground water stratum, while can realize to different saturating
Under water pressure, different internal structure condition Imitating scall is to the concentration effect experimental test of underground water.
3, present invention design each component of device is easy to make, and structure is simple, can underground water under real-time monitoring multifactor impact
The variation of water-carriage mode and water transport channel inside stratum.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the front view of mobile piston pressurization formula water storage tank of the invention；
Fig. 3 is front view, the top and bottom perspective views covered on circular specimen cavity of the invention；
Fig. 4 is the front view of drawing out type square coupons tank of the invention；
In figure: being pushed up on 1-bracket；The vertical pillar of 2-brackets；3-bracket bases；4-vertical the pillars of circular specimen cavity；
5-jack cylinders；6-mobile pistons；7-mobile piston pressurization formula water storage tanks；8-circular specimen cavitys；9-drawing out type
Square shaped version tank；10-standard square rigid body bed courses；11-counter balances；12-rectangular pallets；13-hydrophilic active charcoals；14—
Circular specimen cavity horizontal support；15-brackets and cavity fixing bolt；It is covered on 16-circular specimen cavitys；17-drawing out type
The permeable sieve of square coupons pot bottom；Covering and water storage tank sealing ring on 18-circular specimen cavitys；It is covered on 19-sample cavitys
Lid and cavity sealing ring；The jacking of 20-jack；21-piston seals；22-water storage cavities；23-sealants；24-pars
Slot；Bottom screen is covered on 25-samples；26 intake tunnels.
Specific embodiment
With reference to the accompanying drawing, specific implementation of the patent mode is further described.
As shown in figures 1-4, a kind of experimental rig of test simulation scall water permeability, the device include whole branch
Frame system, sample mount system, sealing system, pressurizing device, water storage and water delivery device, sample bogey, weighing device；Its
In, integral support system includes pushing up 1 on bracket, and the vertical pillar 2 of bracket and bracket base 3 together constitute bulk testing system
Braced frame；Standard analog underground water stratum sample (size 70mm × 70mm × 100mm) made in advance is placed in
In drawing out type square coupons tank 9, surrounding and top sealing that simulated formation sample is contacted with drawing out type square coupons tank 9
The sealing of glue 23 guarantees its impermeability, and the drawing out type square coupons tank 9 for assembling simulated formation sample is placed in round examination
It in sample cavity 8, and is covered on circular specimen cavity above it and covers 16, finally with circular specimen cavity horizontal support 14, circle
The vertical pillar 4 of shape sample cavity and bracket and cavity fixing bolt 15 carry out stabilization and reinforcement to circular specimen cavity 8.
The water storage and water delivery device are including covering 16 on mobile piston pressurization formula water storage tank 7, circular specimen cavity.Its
In, 16 tops are covered on circular specimen cavity to be added by covering on circular specimen cavity with water storage tank sealing ring 18 and mobile piston
Pressure type water storage tank 7 connects, and bottom is connect by covering on sample cavity with cavity sealing ring 19 with circular specimen cavity 8, par
Slot 24 is connect by intake tunnel 26 with water storage cavity 22, and covering bottom screen 25 on sample is cooperated to make at the top of simulated formation sample
Each portion is pressurized uniform.
The pressurizing device includes jack cylinder 5, jack jacking 20；The jack jacking 20 passes through piston seal
Circle 21 is connect with mobile piston 6, and moving up and down come in water storage cavity 22 for mobile piston 6 is driven by jack jacking 20
Water applies pressure.The jack cylinder 5 swings to placement, by mating hydraulic pump to pressure, realize jack jacking 20 rise and
Landing, and by the real-time observation station of mating pressure gauge to pressure condition.
The weighing device includes rectangular pallet 12, hydrophilic active charcoal 13, weighing balance 11 and standard square rigid body pedestal
10.The hydrophilic active charcoal 13 is laid in rectangular pallet 12, and keeps its surfacing, for receiving and fully absorbing from can take out
The water that the permeable sieve 17 of modus ponens square coupons pot bottom penetrates, the weighing balance 11 are placed in standard square rigid body pedestal 10
On, its integral level is kept, realizes the variation of monitoring permeable amount and permeation rate, the mark by observing the variation of its registration
Quasi- rectangular rigid body pedestal 10 is placed on bracket base 3, is mainly used to guarantee that weighing balance 11 is in horizontal steady state.
A kind of experimental rig of test simulation scall water permeability, test method specifically comprise the following steps:
A. sample is equipped
Standard analog underground water stratum sample (size 70mm × 70mm × 100mm) made in advance is placed in and can be taken out
The surrounding for being contacted simulated formation sample with drawing out type square coupons tank using sealant in modus ponens square coupons tank and top
Sealing guarantees its impermeability, and the drawing out type square coupons tank for assembling simulated formation sample is placed in circular specimen chamber
Body, and cover covered on circular specimen cavity above it, finally circular specimen cavity is carried out using sample mount system steady
It is fixed to reinforce.
B. weighing device is installed
Standard square rigid body pedestal is smoothly placed in bracket base, places weighing balance, hydrophilic active charcoal above it
It is laid in rectangular pallet, and it is smoothly placed on weighing balance, keeps a whole set of weighing device steady and the round examination of face
Sample chamber central position；
C. water storage and water delivery device installation
By covering on circular specimen cavity and water has been installed using covering on circular specimen cavity and water storage tank sealing ring
Mobile piston pressurization formula water storage tank connection.
D. pressurizing device is installed
Jack cylinder is swung to placement and is connect jack jacking with mobile piston using piston seal, by mating
Hydraulic pump realizes the rise and landing of jack jacking to pressure, and by the real-time observation station of mating pressure gauge to pressure condition.
E. sealing propertytest
It is pasted at each sealing ring using hydrophilic test paper, presses hydraulic pump and one level pressure is applied to water body in water storage cavity
Power is kept for a period of time, observes hydrophilic test paper color change, carry out the leakproofness of check test device.
F. data monitoring
It is pressurizeed to the Integrated test facility for having detected leakproofness using pressurizing device, observation weighing balance registration variation
And it records.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
Mind and principle within made any modifications, equivalent replacements, and improvements, as samples lithology (such as coal body), change permeation liquid material
Material etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of experimental rig of test simulation scall water permeability, including it is integral support system, sample mount system, close
Envelope system, pressurizing device, water storage and water delivery device, sample bogey, weighing device；It is characterized by: can be added by utilizing
Water body pressurizes in the external double pump jack pair water storage of pressure device and water delivery device, and then permeable pressure is formed at the top and bottom of sample
Difference passes through weighing device registration variation monitoring permeation rate and permeable amount.
2. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
Top and bottom seat is made of high-intensitive special type thick steel plate in the integral support system stated, and two lateral braces are cylindrical by high stiffness special type
Steel column composition；The horizontal support and vertical pillar of the sample mount system are by high stiffness special type cylindrical steel cylinder group
At.
3. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
The sealing system stated includes covering on jack jacking piston seal, mobile piston pressurization formula water storage tank and sample cavity
Covering and circular specimen cavity sealing ring on sealing ring, sample cavity, each position sealing ring is by fixed thread and sealing
Glue composition.
4. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
The pressurizing device stated topmost is processed certain distance screw thread, is led to by jacking oil pump and jack jacking connection, jack jacking
It crosses piston seal to connect with water storage and water delivery device, jacking oil pump is by external hydraulic pump to pressure.
5. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
It states water storage and water delivery device to include mobile piston pressurization formula water storage tank, cover on circular specimen cavity, the mobile piston pressurization
Formula water storage tank includes mobile piston, water storage tank, storage chamber, piston seal；Covering is by circular specimen on circular specimen cavity
Covering and covering on water storage tank sealing ring, sample cavity are rectangular permeable with cavity sealing ring, par slot and steel bottom on cavity
Sieve composition；It is connect by piston seal with pressurizing device above the water storage and water delivery device, lower section passes through circular specimen
Covering is connect with water storage tank sealing ring with sample bogey on cavity.
6. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
Stating sample bogey includes circular specimen cavity, drawing out type square coupons tank and bracket and cavity fixing bolt；It can wherein take out
Modus ponens square coupons tank surrounding is made of high-strength steel sheet, bottom is made of the permeable sieve of steel and uses welding manner and four
All steel plate connections, surrounding and top the sealant sealing that simulated formation sample is contacted with square coupons tank guarantee that its is waterproof
Property, the sample bogey is connect by covering on circular specimen cavity with water storage and water delivery device.
7. a kind of experimental rig of test simulation scall water permeability according to claim 1, it is characterised in that: institute
Weighing device is stated to be made of rectangular pallet, hydrophilic active charcoal, the weighing gentle standard square rigid body pedestal in day；It is placed in rectangular pallet
Hydrophilic active charcoal keeps hydrophilic active carbon surface smooth, and rectangular pallet is smoothly placed on weighing balance, standard square rigid body
Pedestal keeps a whole set of weighing device steady and face circular specimen chamber central position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480944.8A CN109374507A (en) | 2018-12-05 | 2018-12-05 | A kind of experimental rig of test simulation scall water permeability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811480944.8A CN109374507A (en) | 2018-12-05 | 2018-12-05 | A kind of experimental rig of test simulation scall water permeability |
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| Publication Number | Publication Date |
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| CN109374507A true CN109374507A (en) | 2019-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208050A (en) * | 2020-02-26 | 2020-05-29 | 长江大学 | Comparison method and comparison observation device for influence effect of different fluids on permeability characteristics of weathered granite under isobaric seepage effect |
| CN114739882A (en) * | 2022-03-21 | 2022-07-12 | 煤炭科学研究总院有限公司 | Experimental device for monitoring pore water pressure and transverse permeability based on single-axis testing machine |
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| CN103411869A (en) * | 2013-07-26 | 2013-11-27 | 合肥工业大学 | Negative pressure osmosis test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208050A (en) * | 2020-02-26 | 2020-05-29 | 长江大学 | Comparison method and comparison observation device for influence effect of different fluids on permeability characteristics of weathered granite under isobaric seepage effect |
| CN114739882A (en) * | 2022-03-21 | 2022-07-12 | 煤炭科学研究总院有限公司 | Experimental device for monitoring pore water pressure and transverse permeability based on single-axis testing machine |
| CN114739882B (en) * | 2022-03-21 | 2023-08-29 | 煤炭科学研究总院有限公司 | Experimental device for monitoring pore water pressure and transverse permeability based on single-axis testing machine |
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