CN107870143A - A kind of field simply automatic double-ring infiltration tester and method - Google Patents
A kind of field simply automatic double-ring infiltration tester and method Download PDFInfo
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- CN107870143A CN107870143A CN201711044381.3A CN201711044381A CN107870143A CN 107870143 A CN107870143 A CN 107870143A CN 201711044381 A CN201711044381 A CN 201711044381A CN 107870143 A CN107870143 A CN 107870143A
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- inner ring
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- outer shroud
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- 238000001764 infiltration Methods 0.000 title claims abstract description 32
- 230000008595 infiltration Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 125000002619 bicyclic group Chemical group 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 4
- 238000012956 testing procedure Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009466 transformation Effects 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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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 present invention relates to one kind to infiltrate tester, belongs to Coal Mining Technology field, is specifically related to a kind of field simply automatic double-ring infiltration tester.Including：Inner ring, for forming an internal container after earth's surface is inserted, the internal container connects an inner ring supply tank and inner ring discharge casing respectively, and automatic water level measurement instrument is provided with the inner ring supply tank；Outer shroud, for forming an outer annular container being placed on the outside of the inner pressurd vessel after earth's surface is inserted, the outer annular container connects outer shroud supply tank and outer shroud discharge casing respectively；Wherein, the inner ring discharge casing connects with the inner ring supply tank；The outer shroud discharge casing connects with the outer shroud supply tank.Double-ring infiltration tester, inner ring supply and discharge water installations, outer shroud supply and discharge water installations, water level auto testing instrument etc. are combined into a complete system by the infiltration instrument and method, solve during experiment plus the problem of water, reading are by being accomplished manually, and test error is big and Markov bottle cost is higher.
Description
Technical field
The present invention relates to one kind to infiltrate tester, belongs to Coal Mining Technology field, and it is simple to be specifically related to a kind of field
Automatic double-ring infiltration tester.
Background technology
Bicyclic (the generally iron hoop of two different-diameters, be referred to as inner ring, outer shroud) of certain altitude, diameter is uniform
Some depth below earth's surface are squeezed into, by the water filling into inner and outer rings, while keeps the head of inner and outer rings equal and constant, works as water
Infiltration rate when being held essentially constant, the vertical hydraulic conductivity of tested porous media can be inquired into according to Darcy's law.Due to
Traditional double-ring infiltration measuring instrument, which supplies water, needs Markov bottle to maintain the head of determining in infiltration process, and cost is larger and operation is not square
Just, especially when bicyclic size is larger, supplied water by Markov bottle more difficult.Again due to needing personnel's reading during experiment,
Reading frequency is high, causes error big, precision is relatively low.
Therefore, under field condition, especially when bicyclic size is larger, asking in terms of bicyclic water supply and its automation
Topic, there has been no preferable method and apparatus for this area.
The content of the invention
The present invention mainly solves the technical problem of the grade present in prior art；It is simple automatic double to provide a kind of field
Ring infiltrates tester and method.The infiltration instrument and method fill double-ring infiltration tester, inner ring supply and discharge water installations, outer shroud water supply and sewage
Put, water level auto testing instrument etc. is combined into a complete system, solve during experiment plus water, reading be by being accomplished manually,
The problem of test error is greatly and Markov bottle cost is higher.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of simple automatic double-ring infiltration tester in field, including：
Inner ring, for forming an internal container after earth's surface is inserted, the internal container connect respectively an inner ring supply tank and
Inner ring discharge casing, automatic water level measurement instrument is provided with the inner ring supply tank；
Outer shroud, for forming an outer annular container being placed on the outside of the inner pressurd vessel, the external rings after earth's surface is inserted
Shape container connects outer shroud supply tank and outer shroud discharge casing respectively；
Wherein, the inner ring discharge casing connects with the inner ring supply tank；The outer shroud discharge casing supplies water with the outer shroud
Case connects.
Preferably, simply automatic double-ring infiltration tester, the inner ring supply tank and/or outer shroud supply in a kind of above-mentioned field
Water tank is connected on a Height Adjustable support.
Preferably, the simple automatic double-ring infiltration tester in above-mentioned a kind of field, the inner ring discharge casing and the inner ring
Connected between supply tank by a water pumper；Connected between the outer shroud discharge casing and the outer shroud supply tank by a water pumper
It is logical.
Preferably, simply automatic double-ring infiltration tester, the internal container and outer annular are held in a kind of above-mentioned field
Device bottom is provided with gravel layer.
Preferably, simply automatic double-ring infiltration tester, the inner ring discharge casing pass through its bottom in a kind of above-mentioned field
The connection of inner ring water outlet of water tank lead to the inner ring supply tank water supply hose of the internal container, the inner ring supply tank supplies water soft
Inner ring supply tank flowing water Valve is provided with pipe；The inner ring water outlet of water tank is provided with screen cloth.
A kind of simple automatic double-ring infiltration method of testing in field, including：
Bicyclic constitution step, for mutually nested inner ring and outer shroud to be inserted into earth's surface to form internal container and external rings
Shape container；
Water route setting steps, for internal container to be connected with shape with interconnected inner ring supply tank and inner ring discharge casing
Into inner ring circulation waterway；Outer annular container is connected to form outer shroud with interconnected outer shroud supply tank and outer shroud discharge casing
Circulation waterway；
Water supply testing procedure, inner ring circulation waterway and outer loop cycles water route are opened with internally container and outer annular container
Supply water, inner ring cistern water level situation of change is gathered after the scheduled time；
Coefficient calculating step, saturation permeability coefficient is calculated according to the inner ring cistern water level situation of change of collection.
Preferably, the simple automatic double-ring infiltration tester in above-mentioned a kind of field, in the coefficient calculating step, it is based on down
Formula calculates the saturation permeability coefficient for testing porous media：
Wherein：H is that certain moment water level/m, t is time/h, A be inner ring supply tank length/m, B be inner ring supply tank width/
M, R are the infiltration coefficient m/h that inner ring radius/m, K is t.
Preferably, the simple automatic double-ring infiltration tester in above-mentioned a kind of field, in the water supply testing procedure, water level from
The gathered data frequency of dynamic measuring instrument is 1min/ times.
Therefore, the invention has the advantages that：(1) field simply automatic double-ring infiltration tester, including double of the invention
Ring infiltrates tester, inner ring supply and discharge water installations, outer shroud supply and discharge water installations and water level auto testing instrument.All compositions of whole device
Part is easy to carry about with one under the conditions of in the wild, is easy to assemble, cost is relatively low.
(2) patent of the present invention adds floodometer in the supply tank of inner ring, by recording inner ring supply tank automatically
SEA LEVEL VARIATION, you can with principle of water balance and Darcy's law calculation permeability coefficient, realize it is unattended, principle it is feasible and
Calculation error is small.
Brief description of the drawings
Fig. 1 is the structural representation of the simple automatic water-saving double-ring infiltration tester in patent field of the present invention；
Fig. 2 is patent supply tank delivery port end of the present invention mesh structure schematic diagram；
Fig. 3 is patent outer shroud gravel backing structure schematic diagram of the present invention；
Fig. 4 is patent inner ring gravel backing structure schematic diagram of the present invention.
In figure：1 to infiltrate inner ring, 1-1 inner ring discharge outlet, 1-2 inner and outer rings discharge outlet connection hard tube, 1-3 inner ring drainings soft
Outer shroud, 2-1 outer shrouds right side discharge outlet, 2-2 outer shrouds inner side discharge outlet, 2-3 outer shrouds left side are infiltrated in pipe, 1-4 inner ring gravels backing plate, 2
Discharge outlet, 2-4 outer shrouds scupper hose, 2-5 outer shroud gravels backing plate, 3 inner ring supply tanks, 3-1 inner ring supply tanks water filling port, in 3-2
Ring supply tank discharge outlet, 3-3 inner ring supply tanks delivery port, 3-4 inner ring supply tank delivery ports end screen cloth, 3-5 inner ring supply tanks
Flowing water Valve, 3-6 inner ring supply tanks water supply hose, 3-7 inner ring supply tank automatic water level measurements instrument, 3-8 inner ring water supply box bracket,
4 outer shroud supply tanks, 4-1 outer shroud supply tanks water filling port, 4-2 outer shroud supply tanks discharge outlet, 4-3 outer shroud supply tanks delivery port, outside 4-4
Ring supply tank delivery port end screen cloth, 4-5 outer shroud supply tanks flowing water Valve, 4-6 outer shroud supply tanks water supply hose, 4-7 outer shrouds supply
Tank bracket, 5 inner ring discharge casings, 5-1 inner ring discharge casing small-size water pumpings machine, 5-2 inner ring discharge casings scupper hose, 6 outer shroud drainings
Case, 6-1 outer shroud discharge casing small-size water pumpings machine, 6-2 outer shroud discharge casing scupper hoses.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
As Figure 1-Figure 4, when the present invention is implemented, in accordance with the following steps：
Optional test place, the vegetation (8-10cm) of desurfacing；Inner ring 1, outer shroud 2 are vertically stood on into earth's surface, use rubber
Hammer uniformly taps inner and outer rings stress mouth respectively, inserts it into earth's surface 3-10cm, in installation process, must be calibrated with horizon rule, to protect
Demonstrate,prove bicyclic vertical with earth's surface.Tiny gravel (thickness 3-5cm) is laid in inner ring gravel backing plate 1-4, outer shroud gravel backing plate 2-5, with
Anti- current wash away to institute's test object.
Then inner ring supply tank 3 is installed, for shape preferably regular rectangular shape, inner ring supply tank 3 is placed on inner ring supply tank branch
On frame 3-8, the adjustable height of inner ring water supply box bracket 3-8, with the mark of inner ring supply tank delivery port 3-3 during guarantee test
Height is higher than inner ring discharge outlet 1-1, is supplied water with realizing by free gravity to inner ring 1.Finer wire line bolt is used in inner ring supply tank
It is 3-7 inner ring supply tank automatic water level measurement instrument, and the gathered data frequency (1min/ times) of automatic water level measurement instrument is set.
Inner ring supply tank delivery port end screen cloth 3-4 is installed at inner ring supply tank delivery port 3-1, entered to prevent the debris in supply tank water
Bicyclic, result is infiltrated in influence；Outer shroud supply tank 4 (shape is unlimited) is in kind installed.In installation process, horizon rule school must be used
Standard, to ensure that supply tank is vertical with earth's surface.
Inner ring discharge casing 5 (shape is unlimited) is installed, the elevation of top of inner ring discharge casing 5 is less than inner ring discharge outlet in installation process
1-1, to realize by gravity from inner ring 1 to the free drainage of inner ring discharge casing 5., can scene digging cistern work under the conditions of in the wild
, must laying impervious material in cistern for discharge casing.Outer shroud discharge casing 6 (shape is unlimited) is in kind installed.
Supplied water using inner ring supply tank water supply hose 3-6 connection inner ring supply tank 3 and inner ring 1, while in inner ring supply tank
Flexible pipe 3-6 sets inner ring supply tank flowing water Valve 3-5, to adjust water supply flow；Utilize inner and outer rings discharge outlet connection hard tube 1-2
Discharge outlet 2-2 on the inside of inner ring discharge outlet 1-1 and outer shroud is connected, utilizes discharge outlet 2-1 on the right side of inner ring scupper hose 1-3 connections outer shroud
With inner ring discharge casing 5, with ensure inner ring reclaimed water passes through inner ring discharge outlet 1-1, inner and outer rings discharge outlet connects hard tube 1-2, in outer shroud
Discharge outlet 2-1, inner ring scupper hose 1-3 drain into inner ring discharge casing 5 on the inside of side discharge outlet 2-2, outer shroud；It is small using inner ring discharge casing
Water in type water pumper 5-1 extraction inner ring discharge casing 5 is by inner ring discharge casing scupper hose 5-2 into inner ring supply tank 3.With same
Quadrat method connection outer shroud 2, outer shroud supply tank 4 and outer shroud supply tank 6.Inner ring and its supply and discharge water installations must protect in connection procedure
The strict sealing of card, is definitely unable to leak.Outer shroud and its supply and discharge water installations do not require strictly to seal in connection procedure.
Water will be filled substantially in inner ring supply tank 3 and outer shroud supply tank 4, first open small-size water pumping electromechanical source, then rapidly
Inner ring supply tank flowing water Valve 3-5, outer shroud supply tank flowing water Valve 4-5 to maximum are opened, makes inner ring 1, the water level of outer shroud 2 to draining
At mouth 1-1,2-1；Then, valve opening is reduced so that internalization 1, the water level of outer shroud 2 are not less than discharge outlet 1-1,2-1 absolute altitude.
More than, whole bicyclic and water drainage-supply system is started working, and under normal condition, can be terminated after testing 6h, is removed interior
Ring supply tank automatic water level measurement instrument 4-7, data acquisition is carried out using data acquisition unit, draw water level in inner ring supply tank 3 and become
Change curve, the saturation permeability coefficient of tested porous media can be calculated using the stable sloping portion of curve.Calculation formula is as follows：
Wherein：H is that certain moment water level/m, t is time/h, and A is that supply tank length/m, B is that supply tank width/m, R is interior
Ring radius/m, K is the infiltration coefficient m/h of t.
Consider that test site obtains the size of water source difficulty, when water supply conditions are preferable, outer shroud water drainage-supply system can be appropriate
Discharge casing, small-size water pumping machine and drainage pipeline are deleted, water is directly outer to be arranged.
Certainly, the above is the concrete application example of the present invention, and the present invention also has other embodiments, all using equivalent
The technical scheme that replacement or equivalent transformation are formed, all falls within protection domain of the presently claimed invention.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
- A kind of 1. simple automatic double-ring infiltration tester in field, it is characterised in that including：Inner ring, for forming an internal container after earth's surface is inserted, the internal container connects an inner ring supply tank and inner ring respectively Discharge casing, automatic water level measurement instrument is provided with the inner ring supply tank；Outer shroud, for forming an outer annular container being placed on the outside of the inner pressurd vessel after earth's surface is inserted, the outer annular is held Device connects outer shroud supply tank and outer shroud discharge casing respectively；Wherein, the inner ring discharge casing connects with the inner ring supply tank；The outer shroud discharge casing connects with the outer shroud supply tank It is logical.
- 2. the simple automatic double-ring infiltration tester in a kind of field according to claim 1, it is characterised in that the inner ring supplies Water tank and/or outer shroud supply tank are connected on a Height Adjustable support.
- A kind of 3. simple automatic double-ring infiltration tester in field according to claim 1, it is characterised in that the inner ring row Connected between water tank and the inner ring supply tank by a water pumper；Lead between the outer shroud discharge casing and the outer shroud supply tank Cross water pumper connection.
- 4. the simple automatic double-ring infiltration tester in a kind of field according to claim 1, it is characterised in that described internal to hold Device and outer annular container bottom are provided with gravel layer.
- A kind of 5. simple automatic double-ring infiltration tester in field according to claim 1, it is characterised in that the inner ring row Water tank leads to the inner ring supply tank water supply hose of the internal container by the inner ring water outlet of water tank connection of its bottom, described interior Inner ring supply tank flowing water Valve is provided with ring supply tank water supply hose；The inner ring water outlet of water tank is provided with screen cloth.
- A kind of 6. simple automatic double-ring infiltration method of testing in field, it is characterised in that including：Bicyclic constitution step, held for mutually nested inner ring and outer shroud to be inserted into earth's surface with forming internal container and outer annular Device；Water route setting steps, for internal container to be connected in be formed with interconnected inner ring supply tank and inner ring discharge casing Ring circulation waterway；Outer annular container is connected to form outer loop cycles with interconnected outer shroud supply tank and outer shroud discharge casing Water route；Water supply testing procedure, open inner ring circulation waterway and outer loop cycles water route and supplied with internally container and outer annular container Water, inner ring cistern water level situation of change is gathered after the scheduled time；Coefficient calculating step, saturation permeability coefficient is calculated according to the inner ring cistern water level situation of change of collection.
- A kind of 7. simple automatic double-ring infiltration method of testing in field according to claim 6, it is characterised in that the coefficient In calculation procedure, the saturation permeability coefficient for testing porous media is calculated based on following formula：<mrow> <mi>K</mi> <mo>=</mo> <mfrac> <mrow> <mfrac> <mrow> <mi>d</mi> <mi>h</mi> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> <mo>.</mo> <mi>A</mi> <mo>.</mo> <mi>B</mi> </mrow> <mrow> <msup> <mi>&pi;R</mi> <mn>2</mn> </msup> </mrow> </mfrac> </mrow>Wherein：H is that certain moment water level/m, t is time/h, and A is that inner ring supply tank length/m, B is inner ring supply tank width/m, R For the infiltration coefficient m/h that inner ring radius/m, K is t.
- A kind of 8. simple automatic double-ring infiltration method of testing in field according to claim 6, it is characterised in that the water supply In testing procedure, the gathered data frequency of automatic water level measurement instrument is 1min/ times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044381.3A CN107870143A (en) | 2017-10-31 | 2017-10-31 | A kind of field simply automatic double-ring infiltration tester and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044381.3A CN107870143A (en) | 2017-10-31 | 2017-10-31 | A kind of field simply automatic double-ring infiltration tester and method |
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| CN107870143A true CN107870143A (en) | 2018-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326525A (en) * | 2020-10-23 | 2021-02-05 | 山东大学 | Double-ring water seepage experiment device and method |
| CN115078216A (en) * | 2022-06-22 | 2022-09-20 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Double-ring double-water-head intelligent water seepage test device and method |
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| FR2576414A1 (en) * | 1985-01-18 | 1986-07-25 | Rech Geolog Miniere | Apparatus for measuring the permeability of ground and more particularly formations with very low permeability, of the double ring type |
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2017
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326525A (en) * | 2020-10-23 | 2021-02-05 | 山东大学 | Double-ring water seepage experiment device and method |
| CN115078216A (en) * | 2022-06-22 | 2022-09-20 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Double-ring double-water-head intelligent water seepage test device and method |
| CN115078216B (en) * | 2022-06-22 | 2024-09-20 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Double-ring double-head intelligent water seepage test device and method |
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