CN106644596A - In-situ monitoring and sampling device for percolating water in farmland soil - Google Patents
In-situ monitoring and sampling device for percolating water in farmland soil Download PDFInfo
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- CN106644596A CN106644596A CN201710129369.6A CN201710129369A CN106644596A CN 106644596 A CN106644596 A CN 106644596A CN 201710129369 A CN201710129369 A CN 201710129369A CN 106644596 A CN106644596 A CN 106644596A
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- water
- pipe
- situ monitoring
- sampling
- agricultural land
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N2001/2007—Flow conveyors
Abstract
The invention discloses an in-situ monitoring and sampling device for percolating water in farmland soil. The in-situ monitoring and sampling device comprises an undisturbed soil containing barrel, a percolation filter bin, a diversion pipe, a water tank, a sampling pipe, a drain pipe and a water level gauge, wherein the undisturbed soil containing barrel is located above the percolation filter bin; one end of the diversion pipe is connected with an outlet of the percolation filter bin, and the other end of the diversion pipe is located inside the water tank; the lower end of the sampling pipe and the lower end of the drain pipe are inserted into the water tank; the water level gauge is mounted in the water tank. The in-situ monitoring and sampling device disclosed by the invention is reasonable in design and simple in structure, and can be used for comprehensively and quantitatively measuring the percolation process, the leaching loss of nutrients and pesticides and the like in the farmland soil, carrying out the control experiment of water, fertilizer and pesticide coupling management measures, providing data support for the optimal allocation of farmland source elements and reduction of pesticide residues, leaching loss migration and crop absorption, and providing research means for the assessment of water-soil environmental pollution risk.
Description
Technical field
The present invention relates to agriculture field, more particularly to a kind of agricultural land soil percolating water in-situ monitoring sampling apparatus.
Background technology
A large amount of administrations of chemical fertilizer, agricultural chemicals and animal waste etc. in farmland may cause non-point pollution, to local area ecological ring
Border and human health constitute serious threat, it is not only possible to polluted drinking water source, and be likely to result in earth's surface water eutrophication and
Underground water pollution problem.
Agricultural nonpoint source pollution has that forming process randomness is big, factor of influence is complicated, have a very wide distribution, have a far reaching influence,
Mechanism is fuzzy, incubation period length, delayed generation, harm are big, management control difficulty feature.It is annual because agricultural nonpoint source pollution,
Pollution by pesticides accident etc. brings about great losses, and the sustainable development to China's agricultural economy brings serious negative effect.
Therefore, in-site detecting, research farmland water, fertilizer, medicine migratory behaviour, for assessing are carried out to agricultural land soil seepage process
Pollution risk, and to propose that agricultural nonpoint source pollution control and control measures provide authentic data and scientific basis, with very
Important meaning.
In prior art, the Common Methods For Research of agricultural land soil seepage process mainly includes following three kinds：
1) the indoor Leaching Experiments of original state or filling earth pillar, for the simulated rainfall, soil and the moisture side that control indoors
The migration feature of nutrient and agricultural chemicals etc. is explored under the conditions of boundary；The method is disadvantageous in that the water that cannot simulate real field change
Heat condition and hydrologic condition, the depth and area of the earth pillar that can be simulated is also less, is not suitable for the stronger soil of easy matter.
2) in field by civil engineering method, soil box is installed, runoff plots are built, or set up soil percolation system and (match somebody with somebody and build
Monitoring sampling basement), under the conditions of simulated rainfall or natural precipitation, determine supporting in earth's surface footpath stream type different with underground
Divide and agricultural chemicals Transport and influence factor；The method is disadvantageous in that builds relatively costly, and damage area is big during installation, needs
The longer stable settlement phase, and strange land cannot be generally moved to after building up uses.
3) commercialization lysimeter (can weigh), need to monitor sampler chamber with underground is built；The system price is very expensive, safeguard institute
Need technical requirements higher.
In sum, the agricultural land soil percolating water that this area needs a kind of reasonable in design, easy, low cost, is easily achieved
In-situ monitoring sampling system, this is significant for Agricultural Water, fertilizer, medicine transport flux and Study of Non Point Source.
The content of the invention
It is an object of the invention to provide a kind of reasonable in design, easy, low cost, the agricultural land soil percolating water original being easily achieved
Position monitoring sampling apparatus.
The invention provides a kind of agricultural land soil percolating water in-situ monitoring sampling apparatus, including：Undisturbed soil holds cylinder, oozes
Filter position, mozzle, water tank, sampling pipe, drainpipe and water-level gauge are leaked through, the undisturbed soil holds cylinder and filters positioned at the seepage
The top in storehouse, one end of the mozzle is connected with the outlet of the seepage filtering cabin, and the other end of the mozzle is located at institute
The lower end for stating the inside of water tank, the sampling pipe and the drainpipe is inserted in the water tank, and the water-level gauge is arranged on institute
State in water tank.
Preferably, the agricultural land soil percolating water in-situ monitoring sampling apparatus also includes base, and the seepage filtering cabin sets
Put on the base.
Preferably, the seepage filtering cabin includes peripheral envelope and top board, the bottom of the top board and the peripheral envelope
Opening connects, and the bottom relative level of the seepage filtering cabin is obliquely arranged.
Preferably, multiple permeable holes are offered on the top board.
Preferably, described leaking through be provided with filter position drainage tube, and the drainage tube includes the first water pipe and the second water
Pipe, first water pipe connect into second water pipe it is T-shaped, and offer on first water pipe and the second water pipe into
Water hole, one end away from first water pipe of second water pipe stretch out it is described leak through after filter position with described in the mozzle
One end connects.
Preferably, the water tank includes casing, hollow top thimble and sampling pool, the lower end of the top thimble and institute
The upper surface connection of casing is stated, and the inside of the top thimble connects with the casing, the sampling pool is arranged on described
On the inwall of portion's thimble, the lower end of the sampling pipe is inserted in the sampling pool, and the water-level gauge is arranged on the top thimble
It is interior.
Preferably, the other end of the mozzle is located at the upper opening of the sampling pool.
Preferably, the water-level gauge includes float and the indicating arm being vertically arranged, and the lower end of the indicating arm is floating with described
Son connection, on the inwall of the top thimble level scale is formed with.
Preferably, the drainpipe is installed in the top thimble, and the blade mouth of pipe of the lower end of the drainpipe is inserted
Enter the box house.
Preferably, agricultural land soil percolating water in-situ monitoring sampling apparatus also include hand-held sampling pump, with the sampling pipe or
The upper end port of drainpipe is detachably connected.
Present invention advantage compared with prior art is：
(1) construction cost of the present invention is low, compact conformation, simple installation, destroys less to sample plot, can be used to needing various
The field water of process, fertilizer, the research of medicine Control experiment, also Visible study or monitoring needs that vertical in seepage square chest or lateral perforate is inserted
Enter formula and other monitorings or sample devices (such as TDR or FDR water content probe, flow of water meter, Soil moisture sampler) are installed, be used for
The synthesis measuring in situ of various physical and chemical indexs.
(2) present invention passes through the integral sealing antiseepage of system, prevents underground moisture from entering, and can in the wild set up water
Literary independent, the clear and definite farmland soil column seepage water monitoring system in water source, and the dynamic sampling of seepage water sample can be implemented, with reference to dirt
Dye thing concentration analysis, can be calculated plot yardstick nutrient and agricultural chemicals and become with the transport flux of interflow subsurface drainage and its dynamic
Change.
(3) equipment of the present invention is disassembled, thus the reuse that can change places.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the front view of cover；
Fig. 3 is the top view of cover；
Fig. 4 is the front view of cylinder；
Fig. 5 is the top view of cylinder；
Fig. 6 is the perspective view of seepage filtering cabin；
Fig. 7 is the top view of seepage filtering cabin；
Fig. 8 is the internal structure schematic diagram of seepage filtering cabin；
Fig. 9 is the perspective view of base；
Figure 10 is the top view of base；
Figure 11 is the upward view of base；
Figure 12 is the perspective view of water tank；
Figure 13 is the top view of water tank；
Figure 14 is the schematic diagram of one embodiment of mozzle；
Figure 15 is the attachment structure schematic diagram of the one embodiment in the present invention.
Reference in figure：1st, undisturbed soil holds cylinder；2nd, seepage filtering cabin；3rd, mozzle；4th, water tank；5th, sampling pipe；
6th, drainpipe；7th, water-level gauge；8th, cover；9th, drainage tube；10th, sampling pool；11st, casing；12nd, base；13rd, peripheral envelope；14th, push up
Plate；15th, permeable hole；16th, the first water pipe；17th, the second water pipe；18th, top thimble；19th, float；20th, indicating arm；21st, barrel；
22nd, the stainless steel tank of U-shaped is strengthened；23rd, connecting plate；24th, the reinforcing plate of bottom opening；25th, base perisporium；26th, top board；27th, strengthen
Plate；28th, base plate；29th, stainless steel tube；30th, stainless steel screwed hose；31st, porous reinforcing plate；32nd, top stainless steel connecting plate；
33rd, waterproof gasket cement；34th, silica gel sealing pad；35th, bottom stainless steel connecting plate；36th, stainless steel bolt.
Specific embodiment
For existing agricultural land soil water, fertilizer, utility device needed for medicine Leakage Study deficiency, the invention provides a kind of agriculture
Field soil percolation water in-situ monitoring sampling apparatus, it is used for direct in-situ monitoring farmland percolating water dynamic, research water, fertilizer, medicine etc.
In the Transport and influence factor at soil-water-crop interface.
Such as Fig. 1 to Figure 15, the invention provides a kind of agricultural land soil percolating water in-situ monitoring sampling apparatus, including：Original state
Earth pillar seepage square chest and from note flow water tank, wherein, soil column seepage square chest includes (the i.e. undisturbed soil of stainless steel square tube cylinder 1
Hold cylinder), percolating water filter sandstone storehouse 2 (i.e. seepage filtering cabin) and base 12；Include water tank 4, sampling from note flow water tank
Pond (10), sampling pipe 5, drainpipe 6 and water-level gauge 7.
Stainless steel square tube cylinder 1 is located at the top that percolating water filters sandstone storehouse 2, one end and the seepage water filtration of mozzle 3
The delivery port of the T-shaped stainless steel drainage tube (9) in sandstone storehouse 2 is connected, the other end of mozzle 3 and the stainless steel drainage of water tank 4
The water inlet of bend pipe is connected.In the lower end blade mouth of pipe insertion water tank 4 of sampling pipe 5 in sampling pool 10, contact with its inner bottom surface.
In the lower end blade mouth of pipe insertion casing 11 of water tank 4 of drainpipe 6, contact with its inner bottom surface, water-level gauge 7 is arranged in water tank 4.
Fig. 2 and Fig. 3 is refer to, multiple reinforcement U-shapeds stainless steel tank 22 can be installed at the upper surface of the cover 8 in the present invention,
To prevent cover 8 from deforming, arch camber.
Fig. 4 and Fig. 5 is refer to, the cylinder 1 in the present invention includes barrel 21 and strengthens the stainless steel tank 22 of U-shaped, wherein, barrel
21 upper and lower ends outwardly are welded with connecting plate 23, are connected in order to filter sandstone storehouse 2 with cover 8 and percolating water.Cylinder
The stainless steel tank 22 of multiple reinforcement U-shapeds is circumferentially additionally provided with the lateral wall of wall 21, strengthening the stainless steel tank 22 of U-shaped can prevent cutting ring
Generation lateral deformation, for the fixation of hawser in cutting ring lifting and switching process.
Fig. 6, Fig. 7 and Fig. 8 are refer to, the percolating water in the present invention filters sandstone storehouse 2 includes peripheral envelope 13 and top board 14,
Multiple permeable holes 15 are offered on top board, top board is welded with the open top of peripheral envelope, and percolating water filters the section in sandstone storehouse 2
For trapezoidal, upper bottom is 10cm, go to the bottom as the right-angled trapezium of 15cm, and the interior parallel that sandstone storehouse 2 is filtered in percolating water is provided with
The reinforcing plate 24 of multiple bottom openings, is used with doing to reinforce to support, and in percolating water the welding outwardly of the lower end in sandstone storehouse 2 is filtered
There is connecting plate 23, in order to be connected with base 12.
Fig. 9, Figure 10 and Figure 11 are refer to, the section of base 12 is trapezoidal, and upper bottom is 15cm, gone to the bottom as the right angle ladder of 10cm
Shape, to guarantee to filter bottom level after sandstone storehouse is connected with percolating water.Base 7 includes base perisporium 25, and its upper surface is provided with
Top board 26.In the inside of base perisporium 25, multiple reinforcing plates 27 are abreast provided with, and in the under shed side of base perisporium 24
Base plate 28 is provided with, is supported with being used as to reinforce.
Fig. 1 is refer to, the fabrication and installation process of the present invention is as follows：
1) according to the internal diameter size of cylinder 1, soil column is taken in experimental plot, cylinder 1 is inserted in by top, cover 8 is installed,
Earth pillar is blocked at the bottom part down 20cm of cylinder 1, rollover, taking-up cylinder 1 are inverted in level land nearby.Such as Fig. 2 and Fig. 3 institutes
Show, multiple reinforcement U-shapeds stainless steel tanks 22 can be installed at the upper surface of cover 8, to prevent cover 8 from deforming, arch camber.For example, can pacify
Fill four and strengthen the stainless steel tank 22 of U-shaped, strengthening the stainless steel tank 22 of U-shaped for this four can be arranged in " rich " font.
2) smooth soil column bottom surface so as to flush with the bottom of cylinder 1, lays nylon wire, installs percolating water filter sand
Stone storehouse 2, then loads loaded filter by the order of fine sand, coarse sand, cobble in seepage filtering cabin 2, finally wraps up T-shaped with nylon wire
Stainless steel drainage tube 9.
3) connecting plate 23 that percolating water filters the bottom of sandstone storehouse 2 is connected with the top board 26 of base 12, overturns whole seepage
Square chest part, removes cover 8, and by adding water in upper direction seepage square chest its waterproof seal is checked, repairs the leak that may be found that
Place.
4) delimit seepage square chest and remember installation site of the flow water tank in experimental plot certainly, casting concrete platform base,
Then relevant position on platform is placed in by seepage square chest and from note flow water tank, with both connections of mozzle 3, again in seepage side
Water in case check whole device whether water conservancy diversion unimpeded, whether leak, if find that leak must carry out in time sealing mending-leakage processing.
5) in the both sides and top of mozzle 3 with solid brick barricade (bottom is concrete platform), it is to avoid backfill square chest
When Soil Surrounding gravity crushing mozzle 3.
6) when backfilling soil, the soil that layering is dug out is backfilled successively according to soil development level, until entirely excavating part
Fill and lead up completely, and notice that seepage square chest top surface is flushed with experimental plot original place plane soil, so far, agricultural land soil percolating water prison in situ
Survey sampling system construction to finish, it is available.
When using, water is flowed downward into seepage filtering cabin 2 by cylinder 1, sequentially passes through the top board 14 of seepage filtering cabin 2
After filtering with loaded filter, percolating water is collected by T-shaped stainless steel drainage tube 9, flowed into water tank 4 by mozzle 3.When need sampling
When, can be detachably connected with the delivery port of the upper end of water tank 4 by hand-held sampling pump, draining tube valve is closed, open sampling pipe valve
Door, so as to extract into the water in water tank sampling pool 10.So, just it is capable of achieving the continuous prison in the original position to soil percolation water
Survey and sample, can completely reflect the dynamic rule of agricultural land soil seepage water flux, according to the measure of water level in tank box
And displacement, estimate total leakage.
As a result of above-mentioned technical proposal, reasonable in design, simple structure of the invention can be used to be leaked through in agricultural land soil
The comprehensive and quantitatives such as journey, nutrient and agricultural chemicals leaching loss are determined, and carry out the Control experiment that water, fertilizer, medicine couple control measures, are farmland source of students
Distributing rationally, reducing residues of pesticides, leaching loss migration and Crop offer data supporting for key element, is assessment soil and water resources pollution
Risk provides research meanses.
Such as Fig. 1 to Figure 11, stainless steel square tube cylinder 1 and cover 8 and connecting plate, the percolating water in percolating water filtration sandstone storehouse 2
Filter sandstone storehouse 2 and offer multiple bolts hole with the connecting plate of base 12, its aperture is 1.2cm, pitch of holes is 10.4cm.
As shown in Figure 6 and Figure 7, percolating water filters sandstone storehouse 2 includes peripheral envelope 13 and top board 14, offers on top board 14
Multiple permeable holes 15, the aperture of permeable hole 15 is 0.8cm, pitch of holes 2cm.Top board 14 is welded with the open top of peripheral envelope 13
Connect, and the bottom relative level in percolating water filtration sandstone storehouse 2 is obliquely arranged.The section of peripheral envelope 13 is in a rectangular trapezoid,
The percolating water of whole earth pillar can be collected from stream mode.
As shown in figure 8, it is stainless to be welded with a porous T-shaped in the reinforcing plate 24 of the bottom opening in percolating water filtration sandstone storehouse 2
Steel drainage tube, for the derivation (upward view) of percolating water.Percolating water filter the lower end in sandstone storehouse 2 outwardly be welded with 4cm
Long connecting plate 23, is connected for drilling, using stainless steel bolt with the top board 26 of base 12.Percolating water is filtered in sandstone storehouse 2
Loaded filter is loaded, prevents silt material from confluxing sampling system into percolating water.
In one more preferably embodiment, Fig. 8 is refer to, T-shaped stainless steel drainage tube 9 is by the first water pipe 16 and the second water
Pipe 17 is welded, and inlet opening is offered on the first water pipe 16 and the second water pipe 17, the second water pipe 17 away from the first water
One end (delivery port) of pipe 16 is located at the outside of peripheral envelope 13 that percolating water filters sandstone storehouse 2, is connected with mozzle.In Figure 14 institutes
In the embodiment of mozzle 3 shown, two are coordinated using a stainless steel tube 29 between the seepage square chest and oneself note flow water tank
Stainless steel screwed hose 30 (mozzle) is attached, to avoid long term test in the differential settlement of soil system may be made
Into mozzle distortion, bending damage etc. affect, mozzle it is lower slightly from note flow water tank side so that percolating water is in gravity flow shape
State enters water tank.
Refer to Figure 12 and Figure 13, it is preferable that the water tank 4 in the present invention includes casing 11, the hollow and of top thimble 18
Sampling pool 10, the lower end of top thimble 18 is connected with the upper surface of casing 11, and the inside of top thimble 18 connects with casing 11,
Sampling pool 10 is arranged on the inwall of top thimble 18, and in the lower end insertion sampling pool 10 of sampling pipe 5, water-level gauge 7 is arranged on top
In thimble 18.Preferably, in the delivery port insertion sampling pool 10 of the stainless steel drainage bend pipe of the water tank 4 for connecting with mozzle 3.When
After water is flowed out by mozzle 3, flow into first in sampling pool 10, after sampling pool 10 is filled with, water sample overflowed by sampling pool 10 and
In flowing downwardly into the casing 11 of bottom.Preferably, agricultural land soil percolating water in-situ monitoring sampling apparatus also includes drainpipe 6, peace
Loaded in top thimble 18, and inside the lower end insertion casing 11 of drainpipe 6.So, reach pre- when water-level gauge 7 detects water level
During fixed height, testing crew make can by the upper end delivery port of drainpipe 6 using water plugs such as water pumps by casing 11
Water is discharged.Preferably, a length of 0.6m of casing 11, a width of 0.6m, a height of 0.4m；The length and width of top thimble 15 are 0.1m.Water
The integral sealing antiseepage of case 4, top is welded with stainless steel keeps off the rain and renovates.In top thimble 18 at the 1cm of its bottom, in its madial wall
On, weld the sampling pool 10 that length and width are 5cm, high 7cm.The diameter of sampling pipe 5 can be 1cm；The diameter of drainpipe 6 can be
2.5cm.The bottom of sampling pipe 5 and drainpipe 6 is the blade mouth of pipe, and the interior bottom of the inner bottom surface of sampling pool 10 and casing 11 is contacted respectively
Face.Top thimble 18 is higher by the maximum ponding height of earth's surface at least more than 30cm (avoiding Soil surface water from flowing into water tank), is come with this
Determine the total length of top thimble 18.
In the embodiment shown in fig. 11, it is preferable that water-level gauge 7 includes float 19 and the indicating arm 20 being vertically arranged, and refers to
The lower end for showing bar 20 is connected with float 19, and on the inwall of top thimble 18 level scale is formed with.So, when the work in float 19
When indicating arm 20 (such as steel wire rope etc.) is moved upwards with, current water level just can be reflected on level scale.Then,
Testing crew can at the upper end open of top thimble 18, it was observed that current level, with determine the need for by drainpipe 6 to
Outer draining.
In another embodiment (not shown), the water-level gauge in the present invention can also be using electronically (such as pressure
Formula or condenser type), it sends one by wireless transmitter module when water level arrival predetermined altitude value is detected to testing crew
Information, for example, it may be application PUSH message of short message, or other mobile phone As PP etc., helps testing crew to enter in time
Row sampling and drainage sunk well.
As shown in figure 12, multiple parallel porous reinforcing plates 31 are additionally provided with inside casing 11, it is to avoid the top of casing 11 is filled out
Pressurized breakage after soil.
Figure 15 is refer to, cylinder 1 and percolating water are filtered between sandstone storehouse 2, and percolating water is filtered between sandstone storehouse 2 and base 12
In connection, realized by the attachment structure shown in Figure 15.As shown in figure 15, the junction between seepage square chest each several part is by upper
Corrosion resistant plate 32 (i.e. each connecting plate), waterproof gasket cement 33, silica gel sealing pad 34, waterproof gasket cement 33, no are followed successively by under
Rust steel plate 35 (i.e. each connecting plate), it is overall fixed with stainless steel bolt 36, to reach the effect of lysimeter integral sealing antiseepage, keep away
Exempt from impact of the external moisture in underground to seepage water flux measure and sample collection.
Preferably, in the present invention seepage square chest and oneself note flow water tank uses stainless steel materials, for different soil
Earth type (acid, alkalescence, neutrality) and underground hydrological condition (long-term waterflooding, arid, semiarid etc.) can be in stainless steel materials tables
Face uses the coating (abrasion-resistant coatings, resistance to chemical attack coating, ORC etc.) of difference in functionality.
Simple installation of the present invention, construction cost are low, and excavation, backfill failure mechanics are little, and farmland soil can be at once launched after installing
The monitoring and sampling analysis of earth percolating water.Additionally, the system is disassembled, changes places and install and use.
Claims (10)
1. a kind of agricultural land soil percolating water in-situ monitoring sampling apparatus, it is characterised in that include：Undisturbed soil holds cylinder (1), oozes
Filter position (2), mozzle (3), water tank (4), sampling pipe (5), drainpipe (6) and water-level gauge (7) are leaked through, the undisturbed soil holds cylinder
Body (1) positioned at the top of the seepage filtering cabin (2), the outlet of one end of the mozzle (3) and the seepage filtering cabin (2)
Connection, the other end of the mozzle (3) is located at the inside of the water tank (4), the sampling pipe (5) and the drainpipe (6)
Lower end insert in the water tank (4), the water-level gauge (7) is in the water tank (4).
2. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 1, it is characterised in that the farmland soil
Earth percolating water in-situ monitoring sampling apparatus also includes base (12), and the seepage filtering cabin (2) is arranged on the base (12).
3. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 1, it is characterised in that described to leak through
Filter position (2) includes peripheral envelope (13) and top board (14), and the top board (14) connects with the bottom opening of the peripheral envelope (13)
Connect, and the bottom relative level of the seepage filtering cabin (2) is obliquely arranged.
4. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 3, it is characterised in that the top board
(14) multiple permeable holes (15) are offered on.
5. the agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 1 and 2, it is characterised in that the leakage
Drainage tube is installed, the drainage tube includes the first water pipe (16) and the second water pipe (17) in filtering cabin (2), described first
Water pipe (16) connects into T-shaped with second water pipe (17), and opens on first water pipe (16) and the second water pipe (17)
Inlet opening is provided with, described leaking through after filter position (2) is stretched out in one end away from first water pipe (16) of second water pipe (17)
It is connected with described one end of the mozzle (3).
6. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 1, it is characterised in that the water tank
(4) including casing (11), hollow top thimble (18) and sampling pool (10), the lower end of the top thimble (18) and the case
The upper surface of body (11) connects, and the inside of the top thimble (18) connects with the casing (11), the sampling pool (10)
On the inwall of the top thimble (18), the lower end of the sampling pipe (5) is inserted in the sampling pool (10), the water
Position meter (7) is in the top thimble (18).
7. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 6, it is characterised in that the mozzle
(3) the other end is located at the upper opening of the sampling pool (10).
8. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 6, it is characterised in that the water-level gauge
(7) including float (19) and the indicating arm (20) being vertically arranged, the lower end of the indicating arm (20) is connected with the float (19),
Level scale is formed with the inwall of the top thimble (18).
9. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 6, it is characterised in that the drainpipe
(6) it is installed in the top thimble (18), and the blade mouth of pipe of the lower end of the drainpipe (6) is inserted in the casing (11)
Portion.
10. agricultural land soil percolating water in-situ monitoring sampling apparatus according to claim 1, it is characterised in that agricultural land soil
Percolating water in-situ monitoring sampling apparatus also includes hand-held sampling pump, can with the upper end port of the sampling pipe (5) or drainpipe (6)
Releasably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129369.6A CN106644596A (en) | 2017-03-06 | 2017-03-06 | In-situ monitoring and sampling device for percolating water in farmland soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129369.6A CN106644596A (en) | 2017-03-06 | 2017-03-06 | In-situ monitoring and sampling device for percolating water in farmland soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106644596A true CN106644596A (en) | 2017-05-10 |
Family
ID=58847228
Family Applications (1)
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| CN201710129369.6A Pending CN106644596A (en) | 2017-03-06 | 2017-03-06 | In-situ monitoring and sampling device for percolating water in farmland soil |
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| CN109682944A (en) * | 2019-02-21 | 2019-04-26 | 生态环境部南京环境科学研究所 | Rice field nitrogen phosphorus detection system |
| EP3531103A1 (en) * | 2018-02-21 | 2019-08-28 | Waikato Institute of Technology | An extractor, a sampler system incorporating same and a method of its use |
| CN112730810A (en) * | 2021-01-15 | 2021-04-30 | 中国科学院、水利部成都山地灾害与环境研究所 | In-situ monitoring sampling control system, method and application for migration of pollutants in soil |
| CN112816265A (en) * | 2021-01-06 | 2021-05-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Automatic time-sharing collection device for rice field leakage water |
| CN114371038A (en) * | 2022-01-12 | 2022-04-19 | 钟德财 | Urine sample quantitative sampling equipment for endocrinology department |
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