CN110160938A - A kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow - Google Patents
A kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow Download PDFInfo
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- CN110160938A CN110160938A CN201910548204.1A CN201910548204A CN110160938A CN 110160938 A CN110160938 A CN 110160938A CN 201910548204 A CN201910548204 A CN 201910548204A CN 110160938 A CN110160938 A CN 110160938A
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- 239000004576 sand Substances 0.000 title claims abstract description 74
- 239000011435 rock Substances 0.000 title claims abstract description 35
- 230000035699 permeability Effects 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 title claims abstract description 20
- 210000000476 body water Anatomy 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000011068 loading method Methods 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005514 two-phase flow Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
A kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow, belongs to permeability test technical field.The frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow includes permeameter and pressure control device, permeameter is internally provided with rubble cavity, rubble cavity is provided at least one set of corresponding water sand cavity and filter device, water sand cavity is provided with pressure head and the first input duct, the filter device is provided with the first liquid outlet pipe, pressure control device includes upper cylinder body and lower cylinder body, lower cylinder body is provided with the second input duct and the second liquid outlet pipe, second liquid outlet pipe is connected to the first input duct, agitating device is provided in lower cylinder body, piston is provided with above agitating device, piston rod is connect with speed control instrument.The frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow improves the Stability and veracity of test, and speed is adjustable, not only ensure that axially loaded completion, but also realize hydraulic pressure and be evenly distributed on broken rock sample.
Description
Technical field
The present invention relates to permeability test technical field, in particular to a kind of frequency conversion for fragmented rock body water sand two phase fluid flow
Permeability apparatus.
Background technique
For ecology fragility mining area, the exploitation of coal extensive style is bound to cause overlying strata leeding water rent perforation earth's surface, and water-bearing layer is broken
Bad, groundwater level is a wide range of, significantly dredges drop forms a large amount of swallets.Groundwater in mining area is seriously lost, the big face of vegetation
Product is dead, and the ecological environment for keeping this very fragile further deteriorates, and has seriously affected mine safety high-efficiency mining.Due to shallow-layer
Water and drift sand enter mine in roof destruction, it will bring serious economic loss.It is extensive, high-strength for certain mining area coal
Degree exploitation generates the universal conditions in large area goaf and a large amount of mine waters, and four serious working face tops just have occurred within 2011
The routed husky event of plate gushing water, coal mine belong to the long-term exploitation such phenomenon of situation and often occur, and efficiently develop coal for greater safety
Resource needs further to study the routed husky phenomenon of gushing water.
Zhuan Ningcong mesomechanics angle discusses the germinating of crackle and extension feature in Flow In Jointed Rock Masses coupling process, but
Due to the uncertainty of internal crack distribution, cause its seepage flow coupling analysis more complicated compared with other uniform dielectrics.Yao Banghua
The filter element removal of rock sample upper and lower side be ensure that into the outflow of particle, but do not account for the influence of water sand two-phase flow velocity.Therefore,
It is badly in need of the permeability experimental facility of the changing rule of research fractured rock water sand two-phase infiltration properties of flow rule, prominent husky amount.
Summary of the invention
In order to solve, permeability test process of the existing technology is complicated, does not account for the technologies such as water sand two-phase flow velocity is asked
Topic, the present invention provides a kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow, improve the accuracy of test
And stability, speed is adjustable, it not only ensure that axially loaded completion, but also realize hydraulic pressure and be evenly distributed on broken rock sample,
With preferable opening, effective test is provided for research fractured rock water sand two phase fluid flow characteristic and the routed husky mechanism of gushing water
Means.
To achieve the goals above, the technical scheme is that
A kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow, including permeameter and pressure control device；
The permeameter is arranged on liftable support, is provided with permeable stent above the liftable support, described
The top inner wall of permeable stent is provided with longitudinal loading device, and the permeameter is internally provided with rubble cavity, for placing brokenly
Detritus sample, the rubble cavity is provided at least one set of corresponding water sand cavity and filter device, the water sand cavity are provided with
Pressure head and the first input duct, the filter device are provided with the first liquid outlet pipe；
The pressure control device includes upper cylinder body and lower cylinder body, and the lower cylinder body is provided with the second input duct and second
Liquid outlet pipe, second liquid outlet pipe are connected to the first input duct, and the outside of the lower cylinder body is provided with liquidometer, described
Agitating device is provided in lower cylinder body, the agitating device is connected to motor, and the motor is connect with voltage-operated device, described
Piston is provided with above agitating device, the inside of piston pipeline, the piston rod and speed is arranged in the piston rod of the piston
Spend controller connection.
The connecting line of the water sand cavity and filter device is the symmetrical center line of rubble cavity, the water sand cavity setting
Several first permeable holes are provided between the side of rubble cavity, the water sand cavity and rubble cavity, for keeping water husky
Cavity is connected to rubble cavity, and the other side of rubble cavity, the filter device and rubble cavity is arranged in the filter device
Between be provided with several the second permeable holes, for being connected to filter device with rubble cavity.
The water sand cavity is cylindrical tube shape cavity body structure, and the top of water sand cavity is arranged in the pressure head.
The filter device includes upper filter and lower filter, and the upper filter is connected to rubble cavity, it is described on
Filter is movably arranged on the inside of lower filter, and the junction of the upper filter and lower filter is provided with gauze.
The side wall upper part of lower cylinder body is arranged in second input duct, and lower cylinder body is arranged in second liquid outlet pipe
Bottom, second liquid outlet pipe are provided with the second valve.
The outside of the permeameter is provided with bull stick, and for rotating permeameter, the side wall of the permeable stent is provided with item
Shape slot, it is mobile for bull stick.
Beneficial effects of the present invention:
1) the frequency conversion permeability apparatus structure for fragmented rock body water sand two phase fluid flow of the invention is simple, has fully considered speed
The influence of degree has many advantages, such as to stablize opening, the grains of sand that persistently offer dynamic pressure water source, the grains of sand are lost and collects, and osmosis system is each
Item performance indicator matching, stability is good, is able to carry out multiple groups repetitive test, verifies influence of the friction speed to infiltration coefficient；
2) completion longitudinally loaded not only ensure that by the water sand cavity of cylindrical tube shape cavity body structure, but also to realize hydraulic pressure equal
It is even to be distributed on broken rock sample, there is preferable opening, for research fractured rock water sand two phase fluid flow characteristic and the routed sand of gushing water
Mechanism provides effective research technique；
3) grain skeleton for considering broken rock sample influences, by rotate permeameter make contact surface between broken rock sample into
Row changes, and improves the Stability and veracity of test, ensure that the true, accurate of test data, provide more for test result
Good theoretical foundation；
4) by the movement velocity of speed control instrument control piston, water sand two-phase flow velocity is adjustable, both can be using unified
Drift sand speed carry out permeability test, and permeability test can be carried out using different drift sand speed, tune can also be passed through
The different speed of section different periods is tested, to illustrate influence of the flow velocity to permeability parameters；
5) filter device can take out from permeameter, receive convenient for the grains of sand in the water sand mixed liquor that migrates out through rubble cavity
Collection and weighing, play pressure maintaining effect, guarantee the good circulation of water sand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram provided by the present invention for the frequency conversion permeability apparatus of fragmented rock body water sand two phase fluid flow；
Fig. 2 is the schematic diagram of the section structure of permeameter provided by the invention；
Fig. 3 is the schematic perspective view of permeameter provided by the invention；
Fig. 4 is the overall structure diagram of permeameter provided by the invention；
Fig. 5 is the schematic diagram of the section structure of pressure control device provided by the invention；
Fig. 6 is the decomposition texture schematic diagram of pressure control device provided by the invention；
Fig. 7 is the schematic perspective view of pressure control device provided by the invention；
Fig. 8 is the structural schematic diagram of filter device provided by the invention.
In figure, the longitudinal direction 1- loading device, the first input duct of 2-, 3- water sand cavity, the first permeable hole of 4-, 5- rubble appearance
Chamber, the second permeable hole of 6-, 7- filter device, the first liquid outlet pipe of 8-, 9- pressure head, 10- gauze, the first valve of 11-, 12- can rise
Descending branch seat, 13- bull stick, 14- permeameter, 15- connecting hole, 16- piston pipeline, 17- piston, 18- motor, 19- agitating device,
20- liquidometer, the second valve of 21-, the second liquid outlet pipe of 22-, 23- lower cylinder body, the second input duct of 24-, 25- upper cylinder body, 26-
Interface of the level gauge, 27- high-strength bolt, 28- permeable stent, 29- manual overvide, 30- hose, 31- pressure control device branch
Frame, 32- pressure control device, 33- voltage-operated device, 34- speed control instrument, 35- elastic force curly bedding, the upper filter of 36-,
Filter under 37-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.?
In description of the invention, it should be noted that the side of the instructions such as term " on ", "lower", "inner", "outside", " side ", " other side "
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.Term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.Unless otherwise clearly defined and limited, term " installation ", " being provided with ", " connection " etc., should do broad sense
Understand, such as " connection ", may be a fixed connection, may be a detachable connection, or the connection of one；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Of the existing technology in order to solve the problems, such as, as shown in Figures 1 to 8, the present invention provides one kind to be used for kata-rocks
The frequency conversion permeability apparatus of body water sand two phase fluid flow, including permeameter 14 and pressure control device 32, pressure control device 32 are arranged
In pressure control device bracket 31, the Stability and veracity of test is improved, speed is adjustable, both ensure that axially loaded
Completion, and realize hydraulic pressure and be evenly distributed on broken rock sample, have it is preferable open, to study fractured rock water sand two
Phase seepage characteristic and the routed husky mechanism of gushing water provide effective research technique.In practical application, several groups can be arranged simultaneously
The permeameter 14 and pressure control device 32 being correspondingly connected with are tested, and to save test period, are improved efficiency.
As shown in Figures 2 to 4, permeameter 14 is arranged on liftable support 12, and liftable support 12 is used to support infiltration
The junction of instrument 14, liftable support 12 and permeameter 14 is provided with several steel balls, rotates convenient for permeameter 14, liftable branch
The top of seat 12 is provided with permeable stent 28, and longitudinal loading device 1 is bolted in the top inner wall of permeable stent 28, when need
When rotating permeameter 14, declines permeameter 14 by liftable support 12 and permeameter 14 is rotated by bull stick 13, when need
When applying pressure to permeameter 14, increasing permeameter 14 by liftable support 12 connects pressure head 9 with longitudinal loading device 1
Touching, longitudinal loading device 1 apply pressure by 9 Xiang Shuisha cavity 3 of pressure head, and longitudinal loading device 1 connects with manual overvide 29
It connects, manual overvide 29 plays the role of switch, for controlling the work of longitudinal loading device 1.It is arranged inside permeameter 14
There is rubble cavity 5, for placing broken rock sample, permeameter 14 and rubble cavity 5 are respectively spherical structure, broken in the present embodiment
Stone cavity 5 is provided with two groups of corresponding water sand cavities 3 and filter device 7, wherein the company of every group of water sand cavity 3 and filter device 7
Wiring is respectively the symmetrical center line of rubble cavity 5, and two groups of corresponding water sand cavities 3 are vertical with the connecting line of filter device 7,
The side of rubble cavity 5 is arranged in water sand cavity 3, several first permeable holes are provided between water sand cavity 3 and rubble cavity 5
4, for being connected to water sand cavity 3 with rubble cavity 5, filter device 7 is arranged in the other side of rubble cavity 5, filter device 7 with
Several the second permeable holes 6 are provided between rubble cavity 5, for being connected to filter device 7 with rubble cavity 5, each water is husky
Cavity 3 is provided with pressure head 9 and the first input duct 2, and water sand cavity 3 is cylindrical tube shape cavity body structure, and the setting of pressure head 9 is in water sand
The top of cavity 3, each filter device 7 are provided with the first liquid outlet pipe 8, and the first liquid outlet pipe 8 is provided with the first valve 11.
The outside of permeameter 14 is provided with bull stick 13, and for rotating permeameter 14, the side wall of permeable stent 28 is provided with strip groove, is used for
Bull stick 13 is mobile.
As shown in Figures 5 to 7, pressure control device 32 includes upper cylinder body 25 and lower cylinder body 23, and upper cylinder body 25 is mounted on down
The top of cylinder body 23 is provided with sealing ring and is fixedly connected by high-strength bolt 27, piston between upper cylinder body 25 and lower cylinder body 23
17 are arranged at the axis in upper cylinder body 25 and lower cylinder body 23.Lower cylinder body 23 is provided with the second input duct 24 and the second outlet tube
The side wall upper part of lower cylinder body 23 is arranged in road 22, the second input duct 24, and the bottom of lower cylinder body 23 is arranged in the second liquid outlet pipe 22
Portion, the second liquid outlet pipe 22 are provided with the second valve 21, and the second liquid outlet pipe 22 is connected with the first input duct 2 by hose 30
Logical, the outside of lower cylinder body 23 is provided with liquidometer 20, and lower cylinder body 23 is connected to liquidometer 20, and lower cylinder body 23 is provided with liquidometer and connects
Mouth 26, liquidometer 20 is connect with interface of the level gauge 26, and the right side of lower cylinder body 23 is arranged in liquidometer 20, facilitates observation.Lower cylinder body
Agitating device 19 is provided in 23, agitating device 19 is fixedly connected by its external cylinder with 23 inner wall of lower cylinder body, stirring dress
It sets 19 to connect with motor 18, the top of agitating device 19 is arranged in motor 18, and motor 18 is connect with voltage-operated device 33, voltage
The model SEL-2505 of control device 33, voltage-operated device 33 drive agitating device 19 to rotate, stir by control motor 18
The top for mixing device 19 is provided with piston 17, and the inside of piston pipeline 16, piston 17 and piston is arranged in the piston rod of piston 17
It is provided with sealing ring between pipeline 16, guarantees that piston 17 is opposite with piston pipeline 16 when making speed control instrument 34 not work
Position is constant, and can come the position of regulating piston 17 by adjusting the position of piston pipeline 16 during installation, that is, pulls up
Piston pipeline 16 arrives setting position, and piston 17 is moved upwards with piston pipeline 16, and upper cylinder half is stretched out on the top of piston pipeline 16
Body 25 is simultaneously fixed by elastic force curly bedding 35 with upper cylinder body 25, and elastic force curly bedding 35 has locking function, and elastic force curly bedding 35 can
Using the prior art.Piston 17 is connect with speed control instrument 34, and speed control instrument 34 controls the movement speed of piston 17, speed control
The model TDATDA of instrument 34 processed is US-52, and the top of piston pipeline 16 is provided with connecting hole 15, for making speed control instrument
34 pass through with the connecting line of piston 17.
As shown in figure 8, filter device 7 includes upper filter 36 and lower filter 37, upper filter 36 connects with rubble cavity 5
Logical, upper filter 36 is movably arranged on the inside of lower filter 37, and the junction of upper filter 36 and lower filter 37 is provided with
Gauze 10, gauze 10 are used to filter the sand in the water sand mixed liquor that the broken rock sample through being contained in rubble cavity 5 permeates
Grain weighs the drying of the grains of sand after facilitating test, while playing the role of pressure maintaining, guarantees that the water sand of rubble cavity 5 mixes liquid stream
Logical, filter device 7 and water sand cavity 3 are arranged at the location mid-shaft of rubble cavity 5, and filter device 7 and permeameter 14 pass through spiral shell
It tethers and connects, convenient for after the test taking out filter device 7 from permeameter 14.
The working principle of the above-mentioned frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow:
Test prepares, and as required installs permeameter 14 and pressure control device 32, broken by what is prepared
Rock sample is put into rubble cavity 5, will be under first input duct 2 and pressure control device 32 on 3 top of water sand cavity with hose 30
Second liquid outlet pipe 22 in portion is connected, and the second valve 21 is closed, and the water sand mixed liquor mixed is passed through pressure control device 32
The second input duct 24 be injected into pressure control device 32, while observing liquidometer 20 to control injection rate；
Test carries out, and controls longitudinal loading device 1 by manual overvide 29 and is pressurised into the longitudinal position of water sand solution offer
It moves, starting pressure control device 32 makes motor 18 that agitating device 19 be driven to bring into operation, and opens the second valve 21, starts speed control
Instrument 34 processed, piston 17 start to move under the action of speed control instrument 34, control piston 17 by adjustment speed controller 34
Movement speed, thus to control the pressure and flow velocity of water sand mixed liquor in pressure control device 32, through pressure control device 32
The water sand mixed liquor of second liquid outlet pipe 22 outflow will be flowed into water sand cavity 3 with certain pressure by hose 30, through the
One permeable hole 4 penetrates into the broken rock sample being placed in rubble cavity 5, and is flowed into filter device 7 through the second permeable hole 6
In, finally, the grains of sand of the water sand mixed liquor in inflow filter 7 stay on gauze 10, filtered water is through the first outlet tube
It flows out in road 8.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of frequency conversion permeability apparatus for fragmented rock body water sand two phase fluid flow, which is characterized in that including permeameter and pressure
Control device；
The permeameter is arranged on liftable support, and permeable stent, the infiltration are provided with above the liftable support
The top inner wall of bracket is provided with longitudinal loading device, and the permeameter is internally provided with rubble cavity, for placing kata-rocks
Sample, the rubble cavity is provided at least one set of corresponding water sand cavity and filter device, the water sand cavity are provided with pressure head
With the first input duct, the filter device is provided with the first liquid outlet pipe；
The pressure control device includes upper cylinder body and lower cylinder body, and the lower cylinder body is provided with the second input duct and second and goes out liquid
Pipeline, second liquid outlet pipe are connected to the first input duct, and the outside of the lower cylinder body is provided with liquidometer, the lower cylinder
It is provided with agitating device in vivo, the agitating device is connected to motor, and the motor is connect with voltage-operated device, the stirring
Piston is provided with above device, the inside of piston pipeline, the piston rod and speed control is arranged in the piston rod of the piston
Instrument connection processed.
2. the frequency conversion permeability apparatus according to claim 1 for fragmented rock body water sand two phase fluid flow, which is characterized in that institute
The connecting line for stating water sand cavity and filter device is the symmetrical center line of rubble cavity, and the water sand cavity is arranged in rubble cavity
Side, several first permeable holes are provided between the water sand cavity and rubble cavity, for making water sand cavity and rubble
Cavity connection, the filter device are arranged in the other side of rubble cavity, are provided between the filter device and rubble cavity
Several second permeable holes, for being connected to filter device with rubble cavity.
3. the frequency conversion permeability apparatus according to claim 1 for fragmented rock body water sand two phase fluid flow, which is characterized in that institute
Stating water sand cavity is cylindrical tube shape cavity body structure, and the top of water sand cavity is arranged in the pressure head.
4. the frequency conversion permeability apparatus according to claim 1 for fragmented rock body water sand two phase fluid flow, which is characterized in that institute
Stating filter device includes upper filter and lower filter, and the upper filter is connected to rubble cavity, the upper filter activity
It is mounted on the inside of lower filter, the junction of the upper filter and lower filter is provided with gauze.
5. the frequency conversion permeability apparatus according to claim 1 for fragmented rock body water sand two phase fluid flow, which is characterized in that institute
The side wall upper part that lower cylinder body is arranged in the second input duct is stated, the bottom of lower cylinder body is arranged in second liquid outlet pipe, described
Second liquid outlet pipe is provided with the second valve.
6. the frequency conversion permeability apparatus according to claim 1 for fragmented rock body water sand two phase fluid flow, which is characterized in that institute
The outside for stating permeameter is provided with bull stick, and for rotating permeameter, the side wall of the permeable stent is provided with strip groove, for turning
Bar is mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548204.1A CN110160938B (en) | 2019-06-24 | 2019-06-24 | Variable-frequency infiltration device for breaking rock mass water-sand two-phase seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548204.1A CN110160938B (en) | 2019-06-24 | 2019-06-24 | Variable-frequency infiltration device for breaking rock mass water-sand two-phase seepage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110160938A true CN110160938A (en) | 2019-08-23 |
| CN110160938B CN110160938B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910548204.1A Active CN110160938B (en) | 2019-06-24 | 2019-06-24 | Variable-frequency infiltration device for breaking rock mass water-sand two-phase seepage |
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| CN108051353A (en) * | 2017-12-10 | 2018-05-18 | 北京工业大学 | A kind of reaction unit simulated flow rate of liquid and influenced for rock cranny Penetration Signature |
| CN108007840A (en) * | 2017-12-11 | 2018-05-08 | 合肥工业大学 | A kind of permeability apparatus that can simulate waterpower gradient magnitude and direction dynamic changing condition |
| CN210155005U (en) * | 2019-06-24 | 2020-03-17 | 辽宁工程技术大学 | Frequency conversion infiltration device for water-sand two-phase seepage of broken rock mass |
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