CN208621474U - A kind of surface layer aeration zone soil resistance detection device - Google Patents
A kind of surface layer aeration zone soil resistance detection device Download PDFInfo
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- CN208621474U CN208621474U CN201821216165.2U CN201821216165U CN208621474U CN 208621474 U CN208621474 U CN 208621474U CN 201821216165 U CN201821216165 U CN 201821216165U CN 208621474 U CN208621474 U CN 208621474U
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- inner ring
- outer ring
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- detection device
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Abstract
The utility model discloses a kind of surface layer aeration zone soil resistance detection devices, including inner ring, outer ring, infrared sensor, control system, surface layer is equipped with round pool, the inner ring and outer rings are embedded in round pool bottom, vertical collimator is respectively equipped on inner ring and outer rings inner wall, the upper end of inner ring and outer rings is arranged in vertical collimator, two infrared sensors are separately mounted to the inner wall of inner ring and outer rings, endocyclic outer wall and outer ring inner wall are equipped with infrared distance measurement instrument, set-up of control system is in outer ring side, water tank is connected with two water pipes by water pump, two water pipe terminals be respectively provided between inner ring and outer rings and inner ring inside, water pump is connect with control system, it is simple that this detection device tests surface layer aeration zone soil resistance structure, it is economical and practical, data are accurate and operation automation, data result processing is convenient immediately quick.
Description
Technical field
The utility model belongs to environmental pollution protection field more particularly to a kind of surface layer aeration zone soil resistance detection device.
Background technique
Pollutant enters phreatic water usually all by aeration zone from earth's surface.The direct shadow of anti-pollution quality of aeration zone
Ring the pollution type and degree of underground water.Vertical hydraulic conductivity is the important parameter for evaluating aeration zone anti-pollution.Below ground
Area more than phreatic surface.It is not filled with water in the gap of soil and rock in the band, includes air.Water in aeration zone
The form being primarily present is vaporous water, absorption water, film water and capillary water.When being seeped under precipitation or surface water, can temporarily go out
Existing bulk water.
Live infiltration test is to obtain the important means of surface layer aeration zone vertical hydraulic conductivity.Most common infiltration test side
Method includes method, monocycle method and the bicyclic method of testing pits.Method of testing pits digging one exactly in topsoil, which is tested pits, to be tested, and hair is primarily adapted for use in
The lesser sand loam soil of thin pressure, device is simpler, but is influenced by laterally permeating, experimental result low precision；Monocycle method and examination
Hole method is similar, is suitable for the lesser sand of capillary pressure, gravel layer, but because iron hoop is embedded in underground 5cm or more, seeps to lateral
There is certain limitation thoroughly, experimental precision ratio method of testing pits is high；Bicyclic method, with two iron hoops, outer ring plays limitation inner ring and laterally seeps
Saturating effect is primarily adapted for use in the biggish cohesive soil of capillary pressure.
According to the principle of Darcy's law, the infiltration coefficient formula of field ravelly ground aeration zone is as follows:
In formula: Q-steady seepage amount (m3/d)
K-infiltration coefficient (m/d)
ω-seepage pit floor space (m2)
Z-dell inner aqueous layer thickness (m)
L-is in test period section, depth (m) that water is permeated from from bottom of testing pits to soil layer
When Hk-water is permeated into dry ground, generated capillary pressure indicates (m) with water-column.
Prior art discloses a kind of large-scale aerated zone soil unsaturated seepage physical simulating device, including soil bin,
Mend heat-extraction system and measuring system, be loaded with test soil inside soil bin, the benefit heat-extraction system include the lateral row's of benefit unit,
Row's unit is mended in bottom and row's unit is mended at top, and the lateral row's of benefit unit is filled by the moisturizing being respectively arranged on soil bin two sidewalls
It sets and is formed with drainage arrangement；It includes water service pipe and connecting tube that row's unit is mended in bottom；It includes rainer, evaporation that row's unit is mended at top
Device and Water log infiltration device；Measuring system includes soil solute measuring unit, soil moisture measurement unit, soil water potential survey
Measure unit and underground water level measurement unit.
Utility model content
The purpose of this utility model is exactly to provide a kind of surface layer to overcome the problems of the above-mentioned prior art
Aeration zone soil resistance detection device.
The purpose of the utility model can be achieved through the following technical solutions:
A kind of surface layer aeration zone soil resistance detection device, including inner ring 1, outer ring 2, infrared sensor 3, control system 4, table
Layer is equipped with round pool, and the inner ring 1 and outer ring 2 are embedded in round pool bottom, and the inner ring 1 is concentric coaxial with outer ring 2, outside the inner ring 1
Diameter is less than the internal diameter of outer ring 2, is respectively equipped with the first vertical collimator 101 and the second vertical collimator 201 on 2 inner wall of the inner ring 1 and outer ring,
The upper end of inner ring 1 and outer ring 2 is arranged in first vertical collimator 101 and the second vertical collimator 201；
There are two the infrared sensor 3 is set, two infrared sensors 3 are separately mounted to the inner wall of inner ring 1 and outer ring 2,
1 outer wall of inner ring and 2 inner wall of outer ring are equipped with infrared distance measurement instrument 202；
The control system 4 is arranged in 2 side of outer ring, and the survey device further includes water tank 6, and water tank 6 is connected with by water pump
Two water pipes, two water pipe terminals are respectively provided between inner ring 1 and outer ring 2 and inside inner ring 1, the water pump and control system 4
Connection.
Preferably, wireless transport module is equipped with inside the infrared distance measurement instrument 202 and infrared sensor 3.
Preferably, infrared 202 receiver of distance measurement instrument is arranged below the second vertical collimator 201, it is described it is infrared away from
Transmitter and receiver setting height from survey meter 202 is identical, and infrared 202 transmitter of distance measurement instrument is arranged second
Between vertical collimator 201 and infrared sensor 3.
Preferably, the detection device further includes viscosimeter 5, the water that the viscosimeter 5 is mounted on inner ring 1 and round pool surrounds
In.
Preferably, the inner ring 1 is identical with the height of outer ring 2.
Preferably, the difference of the internal diameter of the outer diameter and outer ring 2 of the inner ring 1 is 0.2 meter.
Preferably, the distance that the inner ring 1 and outer ring 2 are embedded in round pool bottom is no less than 5 centimetres.
Beneficial effects of the present invention:
It is simple that this detection device tests surface layer aeration zone soil resistance structure, economical and practical, and data are accurate and operation automation,
Data result processing is convenient immediately quick.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of surface layer aeration zone soil resistance detection device.
In figure: 1- inner ring；2- outer ring；101, the first vertical collimator of 201-, the second vertical collimator；The infrared distance measurement instrument of 202-；
3- infrared sensing；4- control system；5- viscosimeter；6- water tank.
Specific embodiment
In conjunction with shown in attached drawing, the technical solution of the utility model is further described:
A kind of surface layer aeration zone soil resistance detection device, including inner ring 1, outer ring 2, infrared sensor 3, control system 4, table
Layer is equipped with round pool, and the inner ring 1 and outer ring 2 are embedded in round pool bottom, and the inner ring 1 is concentric coaxial with outer ring 2, outside the inner ring 1
Diameter is less than the internal diameter of outer ring 2, and the inner ring 1 is identical with the height of outer ring 2, and the is respectively equipped on 2 inner wall of the inner ring 1 and outer ring
One vertical collimator 101 and the second vertical collimator 201, first vertical collimator 101 and the second vertical collimator 201 are arranged in inner ring 1 and outer ring 2
Upper end.
There are two the infrared sensor 3 is set, two infrared sensors 3 are separately mounted to the inner wall of inner ring 1 and outer ring 2,
1 outer wall of inner ring and 2 inner wall of outer ring are equipped with infrared distance measurement instrument 202, infrared 202 transmitter of the distance measurement instrument setting
Between the second vertical collimator 201 and infrared sensor 3, infrared 202 receiver of distance measurement instrument is arranged in vertical collimator 1201
Transmitter and receiver the setting height of lower section, the infrared distance measurement instrument 202 are identical.
The setting of control system 4 is equipped with inside 2 side of outer ring, infrared distance measurement instrument 202 and infrared sensor 3
The data that wireless transport module, infrared distance measurement instrument 202 and infrared sensor 3 are tested are sent to by wireless transmission method
Control system 4.
Wherein, detection device further includes viscosimeter 5, in the water that the viscosimeter 5 is mounted on inner ring 1 and round pool surrounds.It is viscous
The coefficient of viscosity of 5 test water of degree meter.
Detection device is additionally provided with water tank 6, and water tank 6 is connected with two water pipes by water pump, and two water pipe terminals are respectively provided at interior
Between ring 1 and outer ring 2 and inside inner ring 1, water pump is connect with control system 4.
Inner ring 1 and outer ring 2 are inserted into topsoil, and bottom contacts soil, and the inner wall of round pool is bonded with the outer wall of outer ring 2, water
Stream is connect by bottom with soil, and infrared sensor 3 measures the water level in inner ring 1.Wherein infrared distance measurement instrument 202 is tested
Inner ring 1 is at a distance from outer ring 2.Wherein, viscosimeter 5 tests the viscosity of water.Viscosity is to indicate that when the fluid is flowing, internal fluid hair
The physical quantity to rub in raw is the ability of fluid resistance deformation.
In the present embodiment, installation steps are as follows: first remove surface soil, be embedded in two high 25cm at hole bottom, diameter is respectively 0.40m
With the iron hoop of 0.20m, and iron hoop be pressed into soil layer 5cm or more.The water filling in inside and outside iron hoop simultaneously when test, and keep inner and outer ring
Water column be held at sustained height, control is including 10cm or so water surface elevation spreads gravel thickness including ring bottom.Fill the water water source with
Manual time-keeping, the mode of artificial measuring cup quantitative filling.
Test method: when on-test, by control system timing, being observed by the 3rd, 10,30,60min, after
Water injection rate reading is automatically recorded by control system every 30min, and water pump is controlled by control system and is added water to just
Begin height.During test data sheet, describe seepage velocity-time (v-t) curve, is maintained at lesser section to curve and stablizes
When swing, then continues 2h and terminate to test.The vertical hydraulic conductivity of aeration zone is finally calculated by water when stablizing.As a result referring under
Table 1
Table 1: the classification of aeration zone anti-pollution is referring to table
Finally, it should be noted that above embodiments are only to illustrate rather than limit the technical solution of the utility model, although
The utility model is described in detail referring to above-described embodiment, those skilled in the art should understand that: still may be used
To be modified or replaced equivalently to the utility model, without departing from the spirit and scope of the utility model, and appended right
It is required that being intended to these modifications fallen into the spirit and scope of the utility model or equivalent replacement.
Claims (7)
1. a kind of surface layer aeration zone soil resistance detection device, it is characterised in that:
Including inner ring (1), outer ring (2), infrared sensor (3), control system (4), surface layer is equipped with round pool, the inner ring (1) and
Outer ring (2) is embedded in round pool bottom, and the inner ring (1) and outer ring (2) are concentric coaxial, and the outer diameter of the inner ring (1) is less than outer ring (2)
It is respectively equipped with the first vertical collimator (101) and the second vertical collimator (201) on internal diameter, the inner ring (1) and outer ring (2) inner wall, it is described
First vertical collimator (101) and the second vertical collimator (201) are arranged in the upper end of inner ring (1) and outer ring (2)；
There are two the infrared sensor (3) sets, two infrared sensors (3) are separately mounted to the interior of inner ring (1) and outer ring (2)
Wall, inner ring (1) outer wall and outer ring (2) inner wall are equipped with infrared distance measurement instrument (202)；
The control system (4) is arranged in outer ring (2) side, and the survey device further includes water tank (6), and water tank (6) passes through water pump
Be connected with two water pipes, two water pipe terminals are respectively provided between inner ring (1) and outer ring (2) and inner ring (1) is internal, the water pump with
Control system (4) connection.
2. detection device as described in claim 1, it is characterised in that: the infrared distance measurement instrument (202) and infrared biography
Wireless transport module is equipped with inside sensor (3).
3. detection device as described in claim 1, it is characterised in that: infrared distance measurement instrument (202) the receiver setting
Below the second vertical collimator (201), identical, the institute of transmitter and receiver setting height of the infrared distance measurement instrument (202)
Infrared distance measurement instrument (202) transmitter is stated to be arranged between the second vertical collimator (201) and infrared sensor (3).
4. detection device as described in claim 1, it is characterised in that: the detection device further includes viscosimeter (5), described viscous
In the water that degree meter (5) is mounted on inner ring (1) and round pool surrounds.
5. detection device as described in claim 1, it is characterised in that: the inner ring (1) is identical with the height of outer ring (2).
6. detection device as described in claim 1, it is characterised in that: the internal diameter of the outer diameter and outer ring (2) of the inner ring (1)
Difference is 0.2 meter.
7. detection device as described in claim 1, it is characterised in that: the inner ring (1) and outer ring (2) insertion round pool bottom away from
From no less than 5 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216165.2U CN208621474U (en) | 2018-07-29 | 2018-07-29 | A kind of surface layer aeration zone soil resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216165.2U CN208621474U (en) | 2018-07-29 | 2018-07-29 | A kind of surface layer aeration zone soil resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621474U true CN208621474U (en) | 2019-03-19 |
Family
ID=65708007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821216165.2U Expired - Fee Related CN208621474U (en) | 2018-07-29 | 2018-07-29 | A kind of surface layer aeration zone soil resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839491A (en) * | 2019-04-02 | 2019-06-04 | 中国地质科学院水文地质环境地质研究所 | A kind of recharge ground water analogue experiment method |
| CN113155706A (en) * | 2021-05-19 | 2021-07-23 | 山东省水利科学研究院 | Method for determining permeability coefficient of unsaturated unconsolidated rock stratum in aeration zone by using field soil |
-
2018
- 2018-07-29 CN CN201821216165.2U patent/CN208621474U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839491A (en) * | 2019-04-02 | 2019-06-04 | 中国地质科学院水文地质环境地质研究所 | A kind of recharge ground water analogue experiment method |
| CN113155706A (en) * | 2021-05-19 | 2021-07-23 | 山东省水利科学研究院 | Method for determining permeability coefficient of unsaturated unconsolidated rock stratum in aeration zone by using field soil |
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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: 20190319 Termination date: 20210729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |