CN106840759A - A kind of soil infiltration water original position layered sampling device - Google Patents

A kind of soil infiltration water original position layered sampling device Download PDF

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Publication number
CN106840759A
CN106840759A CN201611223703.6A CN201611223703A CN106840759A CN 106840759 A CN106840759 A CN 106840759A CN 201611223703 A CN201611223703 A CN 201611223703A CN 106840759 A CN106840759 A CN 106840759A
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China
Prior art keywords
window
sampling
tube
original position
level probe
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冯志刚
韩世礼
马强
孔秋梅
刘炫志
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University of South China
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University of South China
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Priority to CN201611223703.6A priority Critical patent/CN106840759A/en
Publication of CN106840759A publication Critical patent/CN106840759A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1031Sampling from special places

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of soil infiltration water original position layered sampling device, including one-level probe tube, the one-level probe tube is separated into some sampler chambers, the sampler chamber bottom of bottommost is provided with a cone vertically;Pod apertures are provided with the tube wall of the sampler chamber 1/4 part from top to bottom, sampling window is provided with the latter half tube wall of 1/2 height, sampling window side is hingedly connected with window by hinge, arc socket and handle are respectively arranged with opposite side and window, socket is fixedly connected to close window with handle by latch;The opening up funnel of loudspeaker is provided between the pod apertures and sampling window of sampler chamber, the edge of opening of the funnel is fixedly connected with sampling chamber interior walls;The base plate of the sampler chamber is load sample platform, and liquid-collecting bottle is placed with the load sample platform, and the liquid outlet of the funnel is stretched into the bottleneck of liquid-collecting bottle.Device of the invention, can Reusability, easy to clean, device is simple, it is easy to operate, and technical staff is easy to learn, easy grasp.

Description

A kind of soil infiltration water original position layered sampling device
Technical field
The invention belongs to soil water Sampling techniques field, specifically, it is related to a kind of soil infiltration water original position stratified sampling Device.
Background technology
In mountain and hill area, particularly as Southwestern China karst, phreatic table buries deep, and soil profile Generally development is more shallow (general several meters of thickness even more thin), and it is completely in full compression ring border in most cases, rock decay into Soil effect relies on rainfall and penetrates into the seepage water (i.e. bulk water) formed after soil as main erosional agent.For this kind of soil Section, seepage water plays key player in water_rock interaction and solute (including colloidal solid) migration, has been increasingly becoming wind The content paid close attention in change effect geochemical investigation.Additionally, seepage water is also environmental contaminants in soil profile Transport And Transformation Main carriers, are the research objects in soil environment quality assessment.Using seepage water development the studies above premise is that edge Soil profile different depth in-situ acquisition is to sample.The method for being now widely used for soil water in-situ acquisition is former based on negative pressure , when seepage water is gathered, there is problems with the porous potter's clay cup or the suction method of other materials of reason:(1) due to being logical The sample that certain suction is obtained is crossed, disturbance can be produced to the flow field around sampled point, oozed under the freedom for influenceing seepage water, sampling Original position is difficult to ensure that;(2) such device can only single-point sampling, it is impossible to while complete the section different depth soil water collection; (3) because seepage water mainly appears on duration of raining, field operation is inconvenient, when especially carrying out air suction process with vavuum pump more It is such.
In addition, in information disclosed in document report and patent, describing two kinds of devices for soil infiltration water sampling And method.One is that, by embedded shuting and the method for sampling of liquid-collecting bottle of digging pit, two is to insert cylindrical plastic in soil profile The stratified sampling method of liquid cylinder.For the former, because shuting soil cover is backfill, the original state knot of soil is destroyed Structure, or even there is the mixing of different layers position soil, the sample of collection is difficult to the seepage water that true representations flow through initial soil section Composition, the device also can only single-point sampling in addition.For the latter, although along cylindrical drum longitudinal measure into some independent liquid collectings Room, and in each room Side wall drill hole such that it is able to collect the seepage water of different depth simultaneously, but there is also some shortcomings:(1) due to Liquid cylinder device is integrally welded non-movable and dismantles, and cleaning is inconvenient;(2) the cylindrical soil pit of the placement liquid cylinder for excavating With diameter greater than liquid cylinder, during gap therebetween is tamped with the layering soil sample for being taken in advance, it is difficult to accomplish to fill out completely The original position of gap soil;(3) depth selection of device design is 1m, for the sampling of deeper soil profile, it is necessary to weld more Liquid cylinder long, its intensity is difficult to ensure that.On the other hand, sample deeper, the difficulty for tamping gap between soil pit and liquid cylinder is bigger, Once occurring space between the two, soil infiltration water sampling will be caused to fail.
The content of the invention
In view of this, the technical problems to be solved by the invention are to provide a kind of energy while native in several meters of depth of in-situ acquisition The soil infiltration water original position layered sampling device of the seepage water of earth section different layers position.
A kind of soil infiltration water original position layered sampling device, including one-level probe tube, the one-level probe tube is cylindrical tube, Several sampler chambers are separated into vertically, and the bottom of the sampler chamber of bottommost is provided with a cone;
Pod apertures are provided with the tube wall of the sampler chamber 1/4 part from top to bottom, in the lower half of the height of sampler chamber 1/2 Sampling window is provided with section tubular wall, sampling window side is hingedly connected with window, the sampling window opposite side and window by hinge Arc socket and handle are respectively arranged with door, arc socket is fixedly connected to close window with handle by latch;In sampling Be provided with the opening up funnel of loudspeaker between the pod apertures sections bottom and sampling window of room, the edge of opening of the funnel with adopt Specimen chamber inwall is fixedly connected;
The base plate of the sampler chamber is load sample platform, and liquid-collecting bottle is placed with the load sample platform, and the liquid outlet of the funnel is stretched Enter in the bottleneck of liquid-collecting bottle.
Further, soil infiltration water original position as described above layered sampling device, pod apertures are distributed with each sampler chamber Region outer wall be pasted with one layer of nylon wire.
Further, soil infiltration water original position as described above layered sampling device, the height of the sampling window is sampling The 1/2 of room height, the sampling window surrounding is provided with sealing joint strip, and the sampling window angular aperture is opened for 180 °, i.e. sampling window With the center of over-sampling chamber cross-section as open section, the sampling window of each sampler chamber is located at the homonymy of one-level probe tube to mouth.
Further, soil infiltration water original position as described above layered sampling device, the one-level sampling pipe outer wall welding There is single-screw blade, drilling is distributed with the single-screw blade, the sampling window is avoided in the welding position of single-screw blade Window.
Further, soil infiltration water original position as described above layered sampling device, including handle, in one-level sampling The first connecting portion for being fixedly connected with the handle is provided with the top of pipe.
Further, soil infiltration water as described above original position layered sampling device, including extension tube, the extension tube is Cylindrical tube, is separated into several sampler chambers vertically;The bottom of the extension tube is provided with second connecting portion, the second connecting portion Can be fixedly connected with the first connecting portion at the top of the one-level probe tube.
Further, soil infiltration water original position as described above layered sampling device, the first connecting portion is a square Body dop, is provided with a through hole for being inserted into latch on the dop;The second connecting portion is provided with one and institute The adaptable cuboid bayonet socket of dop specification is stated, the through hole that latch is inserted into is provided with the bayonet socket, when extension tube and When level probe tube is combined, dop is embedded in bayonet socket and is fixedly connected by latch.
Further, soil infiltration water original position as described above layered sampling device, is provided with one at the top of extension tube The individual connector as the first connecting portion structure, the handle is T-shaped handle, is provided with the bottom of the T-shaped handle One draw-in groove, as the cuboid bayonet socket, the T-shaped handle is by draw-in groove and one-level probe tube top for the specification of the draw-in groove First connecting portion or extension tube at the top of connector be fixedly connected.
Further, soil infiltration water as described above original position layered sampling device, the one-level probe tube, extension tube Material is corrosion resistant austenitic stainless steel;The funnel, load sample platform, the material of liquid-collecting bottle are igelite.
Further, soil infiltration water original position as described above layered sampling device, the funnel, load sample platform and sampler chamber Binding agent cyclohexanone and polyvinyl chloride solution modulation that inwall is fixedly connected, and seal water-tight.
Compared with prior art, the present invention can be obtained including following technique effect:
(1) before embedded sampling apparatus, (extension tube is not wrapped than one-level probe tube to have excavated diameter in advance with Luoyang Spade Include the width of single-screw blade) the cylindrical soil pit of small 1cm, therefore the sampling apparatus in soil pit is screw into, its tube wall and surrounding Soil is brought into close contact, it is to avoid seepage water forms preferential stream along tube wall.In addition, some apertures have been drilled through on single-screw blade, Also for seepage water is prevented preferential stream is formed along single-screw blade precession direction.Thus, along the seepage water oozed under soil profile Flow through when at the pod apertures of each sampler chamber upper end tube wall, liquid-collecting bottle is imported by the side effect of oozing, each sampler chamber is collected into and come From the seepage water of soil profile respective depth, the original position of the seepage water gathered with layered along soil profile is thereby may be ensured that Property.
(2) sampling apparatus of the invention, shows through field demonstration, and sampling depth is most deep to can reach 5m, i.e., in one-level On the basis of probe tube, extension tube can be saved with continued access 4, using the single-screw leaf for being welded on one-level probe tube and extension pipe outer wall Piece, the manually precession operation of T-shaped handle, is easier to realize sampling apparatus in the embedded of soil profile.
(3) sampling apparatus of the invention, each building block that it is in contact with soil infiltration water uses inert material system Into such as one-level probe tube, the material of extension tube are corrosion resistant austenitic stainless steel, and funnel, load sample platform, the material of liquid-collecting bottle are The igelite of acid and alkali-resistance.In addition, binding agent is also the inert material of acid and alkali-resistance, it is ensured that the sample of collection is not got dirty Dye.
(4) in sampling apparatus of the invention, the thickness of pipe wall 0.5cm of one-level probe tube and extension tube, its intensity can be resisted Shearing resistance during precession in soil pit, to ensure that it is not damaged with lifting process that sampling apparatus is buried in soil pit.
(5) in sampling apparatus of the invention, the capacity of liquid-collecting bottle design is 150ml, in fact, for conventional analysis, It is sufficient that general collection 10ml.
(6) device of the invention, can Reusability, easy to clean, device is simple, it is easy to operate, and technical staff is easy to learn, easy Grasp.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes a part of the invention, this hair Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is embodiment of the present invention one-level probe tube structural representation;
Fig. 2 is embodiment of the present invention extension tube structural representation;
Fig. 3 is embodiment of the present invention sampling window structural representation;
Fig. 4 is the T-shaped handle arrangement schematic diagram of the embodiment of the present invention;
Fig. 5 is the structural representation after the combination of embodiment of the present invention one-level probe tube, extension tube and T-shaped handle;
In figure, 1, one-level probe tube;2nd, extension tube;3rd, handle;4th, dop;5th, sampler chamber;6th, pod apertures;7th, sampling window; 8th, hinge;9th, handle;10th, socket;11st, funnel;12nd, load sample platform;13rd, liquid-collecting bottle;14th, single-screw blade;15th, bayonet socket;16th, block Groove;17th, latch;18th, window.
Specific embodiment
Describe embodiments of the present invention in detail below in conjunction with drawings and Examples, thereby how the present invention is applied Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.
As Figure 1-5, a kind of soil infiltration water original position layered sampling device, including one-level sampling are present embodiments provided Pipe 1, the one-level probe tube 1 is cylindrical tube, several sampler chambers 5 is separated into vertically, in the bottom of the sampler chamber 5 of bottommost It is provided with a cone;
Pod apertures 6 are provided with the tube wall of 1/4 part from top to bottom of the sampler chamber 5, under the height of sampler chamber 1/2 Sampling window 7 is provided with half part tube wall, the side of sampling window 7 is hingedly connected with window 18 by hinge 8, and the sampling window 7 is another Arc socket 10 and handle 9 are respectively arranged with side and window 18, arc socket 10 is fixedly connected with handle 9 by latch 17 To close window 18;The opening up funnel 11 of loudspeaker, the leakage are provided between the pod apertures 6 and sampling window 7 of sampler chamber 5 The edge of opening of bucket 11 is fixedly connected with the inwall of sampler chamber 5;
The base plate of the sampler chamber 5 is load sample platform 12, and liquid-collecting bottle 13 is placed with the load sample platform 12, the funnel 11 Liquid outlet is stretched into the bottleneck of liquid-collecting bottle 13.
The region outer wall that the sampler chamber 5 is distributed with pod apertures 6 is pasted with one layer of nylon wire.
The height of the sampling window 7 is the 1/2 of the height of sampler chamber 5, and the surrounding of the sampling window 7 is provided with sealing joint strip, institute It is 180 °, the i.e. opening of sampling window 7 with the center of the cross section of over-sampling room 5 as open section to state the angular aperture of sampling window 7, described each The sampling window 7 of sampler chamber 5 is located at the same side of one-level probe tube 1.
The outer wall of one-level probe tube 1 is welded with single-screw blade 14, and drilling is distributed with the single-screw blade 14, Avoid the window 18 of the sampling window 7 in the welding position of single-screw blade 14.
Described soil infiltration water original position layered sampling device, including handle 3, set at the top of the one-level probe tube 1 It is equipped with the first connecting portion for being fixedly connected with the handle 3.
Described soil infiltration water original position layered sampling device, including extension tube 2, the extension tube 2 is cylindrical tube, along axle To being separated into several sampler chambers 5;The bottom of extension tube 2 is provided with second connecting portion, the second connecting portion can with it is described The first connecting portion at the top of one-level probe tube 1 is fixedly connected.The first connecting portion is a cuboid dop 4, in the dop 4 On be provided with a through hole for being inserted into latch;The second connecting portion is provided with one and is adapted with the specification of the dop 4 Cuboid bayonet socket 15, the through hole that latch is inserted into is provided with the bayonet socket 15, when 1 group of extension tube 2 and one-level probe tube During conjunction, dop 4 is embedded in bayonet socket 15 and is fixedly connected by latch.
The top of extension tube 2 is provided with a connector as the first connecting portion structure, the handle 3 is T-shaped handle, a draw-in groove 16, the specification of the draw-in groove 16 and the cuboid bayonet socket 15 1 are provided with the bottom of the T-shaped handle 3 Sample, the T-shaped handle 3 is by draw-in groove 16 and the first connecting portion at the top of one-level probe tube 1 or the connector at the top of extension tube 2 It is fixedly connected.
The one-level probe tube 1, the material of extension tube 2 are corrosion resistant austenitic stainless steel;The funnel 11, load sample platform 12nd, the material of liquid-collecting bottle 13 is igelite.
The binding agent cyclohexanone and polyvinyl chloride that the funnel 11, load sample platform 12 are fixedly connected with the inwall of sampler chamber 5 are molten Liquid is modulated, and seals water-tight.
Specifically, for one-level probe tube 1, the upper end circular austenite stainless steel plate sealing (thick 1cm) of same bore, It is the cuboid austenitic stainless steel dop 4 of 5cm × 5cm × 5cm to weld a specification thereon, is hit exactly in the one side of dop 4 and bored A through hole of diameter 1cm is taken, is fixed with latch after being easy to connection extension tube 2;Justified with the austenitic stainless steel of same bore lower end Cone (wall thickness 0.5cm, cone 10cm high) sealing.The effective length of one-level probe tube 1 is not (including upper end dop 4 and lower end The height of cone) it is 1m, axially spaced into 5 sampler chambers 5 along its, the height of each sampler chamber 5 is 20cm.It is emphasized that One-level probe tube 1 is an overall structure, i.e., each sampler chamber 5 is a part for one-level probe tube 1, logical rather than each sampler chamber 5 The structure that the mode of being welded and fixed is fixed as one is crossed, because if each sampler chamber 5 is welded as into one one by the way of welding Level probe tube 1, then the structure of the entirety of one-level probe tube 1 would not be consolidated so, be easily damaged during use.
In the tube wall of the bottom homonymy of each sampler chamber 5, a sampling window for rectangular cross-section 7 is cut, the angular aperture of sampling window 7 is 180 °, be highly the 1/2 of the height of sampler chamber 5, and the window 18 under cutting is the cylinder piece of cross section semicircular in shape;Sampling window 7 four Sealing joint strip (being not drawn into figure) is installed, the side of sampling window 7 is hingedly connected with window 18, the sampling window 7 by hinge 8 week Arc socket 10 and handle 9 are respectively arranged with opposite side and window 18, arc socket 10 and handle 9 are fixed by latch 17 and connected Fetch closing window 18.The height of arc socket 10 and handle 9 is 1cm.
Tube wall in the top 5cm height of each sampler chamber 5 drills through pod apertures 6, in the sections bottom of pod apertures 6 and sampling window 7 Between tube wall in the opening up funnel 11 of loudspeaker is installed;Load sample platform 12 is installed in the bottom of each sampler chamber 5, on load sample platform It is placed with liquid-collecting bottle 13;The liquid outlet of funnel 11 is extend into the bottleneck of liquid-collecting bottle 13, and liquid-collecting bottle 13 is necking bottle, in case operation Liquid-collecting bottle 13 is toppled in journey.
The region outer wall that pod apertures 6 are distributed with each sampler chamber 5 is pasted with one layer of nylon wire, divides on single-screw blade 14 It is furnished with drilling.
Specifically, the soil infiltration water original position layered sampling device that the present embodiment is provided, by one-level probe tube 1, extension tube 2 Constituted with handle 3, one-level probe tube 1 and extension tube 2 are used to gather the seepage water of soil profile, its effective length is 1m, When sampling depth is not more than 1m, it is not necessary to continued access extension tube 2.One-level probe tube 1 and extension tube 2 are the cylinder of diameter 10cm Pipe, wall thickness 0.5cm, material is corrosion resistant austenitic stainless steel.
Single-screw blade 14 is welded with the outer wall of one-level probe tube 1, blade 2cm wide is distributed with drilling and (is not drawn in figure thereon Go out), prevent soil infiltration water from forming preferential stream along the precession direction of single-screw blade 14.Avoid the welding position of single-screw blade 14 Window 18.
The region outer wall that pod apertures 6 are distributed with each sampler chamber 5 is pasted with one layer of nylon wire (being not drawn into figure), in case native Earth particle enters pod apertures 6 with seepage water.The specification of pod apertures 6 be diameter 3mm, 4/cm2
Between the edge of opening and the inwall of sampler chamber 5 of the inner funnel 11 of each sampler chamber 5, the edge and sampler chamber of load sample platform 12 Binding agent adhering and sealing is used between 5 inwall, binding agent cyclohexanone and polyvinyl chloride identical with the material for pasting nylon wire Solution modulation is formed.Funnel 11, load sample platform 12, the material of liquid-collecting bottle 13 are the igelite of acid and alkali-resistance.
Designed according to more than, when in the fully-inserted soil of one-level probe tube 1, from top to bottom each sampler chamber 5 can reflect Soil infiltration water depth be respectively 5cm, 25cm, 45cm, 65cm and 85cm.
For extension tube 2, it is mainly used in the collection of soil infiltration water of the depth more than 1m, on the basis of one-level probe tube 1 Upper continued access extension tube 2.According to sampling depth, can be with some section extension tubes 2 of continued access.The sampling of the structure of extension tube 2, material and one-level Pipe 1 is essentially identical, and difference is:
(1) length of of extension tube 2 itself is that 92cm (refers to after top, the bottom thick circle austenite stainless steel plates of sealing 1cm Length);In 2 bottom welding of extension tube, one diameter 8cm, the austenitic stainless steel cylinder of 8cm high, cut out in cylinder bottom One cuboid bayonet socket 15 that just can completely snap in one-level probe tube 1 or another section upper end dop 4 of extension tube 2, and along card A through hole of diameter 1cm is bored in the side center of mouth 15, so that dop 4 is fixed with bayonet socket 15 with latch.
(2) it is 1m from the cylinder bottom length that top (not including dop 4) to its lower end of extension tube 2 is welded, separates Into 5 equal portions, per a for 20cm is long, from top to bottom first 4 parts respectively as a sampler chamber 5, method for designing same one-level completely Probe tube 1, and the 5th part of height due to including the cylinder containing bayonet socket 15, are no longer designed as sampler chamber 5.
(3) 4 sampler chambers 5 are contained in extension tube 2, the soil infiltration depth of water that from top to bottom each sampler chamber 5 can reflect Degree is respectively 5cm, 25cm, 45cm, 65cm.If the section of continued access one extension tube 2 on the basis of one-level probe tube 1, from up to The soil infiltration water depth that lower 9 sampler chambers 5 can reflect be respectively 5cm, 25cm, 45cm, 65cm, 105cm, 125cm, 145cm, 165cm and 185cm.With continuing for extension tube 2, the sampling depth of the reflection of each sampler chamber 5 is by that analogy.
Handle 3 is T-shaped handle, for making manual precession and back-out of the sampling apparatus in soil profile.The hand of T-shaped handle Handle 30cm long, is cylindrical stainless-steel pipe, and a draw-in groove that can snap in probe tube or extension tube upper end dop 4 is welded in lower end 16。
Application method
Soil infiltration water oozes under the freedom essentially from Atmospheric precipitation in soil, therefore, sample collection can only be in rainy season Carry out, sampling apparatus is buried before rainfall, sample is collected after the rain.
Before sampling, sampling apparatus be particularly each sampler chamber (including liquid-collecting bottle) clean up it is standby.If sampling depth is 1m When, it is not necessary to use extension tube;The continued access n-1 sections extension tube when sampling depth is n meters, it is necessary on one-level probe tube.
(it is slightly less than one-level to take along the cylindrical soil pit that soil profile excavates a diameter 9cm in target target area Luoyang Spade Sample pipe and extension pipe diameter), when sampling depth be 1m when, soil pit depth be 1.1m (including compensation one-level sampling bottom of the tube circular cone Body is highly);When sampling depth is n m, soil pit depth is n+0.1m.Next following steps are completed:
(1) upright one-level probe tube, opens sampling window window, and liquid-collecting bottle is put into each sampler chamber, makes liquid-collecting bottle bottleneck It is inserted in funnel liquid outlet.The space between liquid-collecting bottle and sampling chamber interior walls is clogged with foamed plastics, liquid-collecting bottle in operation process is prevented Rock.Window is closed, the socket welded on window handle and body is inserted with latch, to fix window.
(2) one-level probe tube lower end cone is inserted into soil pit mouthful, upper end dop is embedded in the draw-in groove of T-shaped handle, at its lower end, hand The dynamic T-shaped handle that turns clockwise, in making one-level probe tube be inserted into soil pit under the precession effect of single-screw blade.Sampling depth During for 1m, by the fully-inserted soil pit of one-level probe tube.
(3), it is necessary to continued access n-1 section extension tubes when sampling depth is n meters.When one-level probe tube will fully-inserted soil pit When, T-shaped handle is removed, by extension tube continued access to probe tube.The card of the dop insertion extension bottom of the tube on one-level probe tube top Mouthful, the through hole of bayonet socket and dop align, the two is fixedly connected insertion latch (length of latch is slightly longer than extension bottom of the tube and justifies The diameter of cylinder, is easy to plug, while not influenceing the precession of one-level probe tube and extension tube in soil pit).Respectively adopted in extension tube The liquid-collecting bottle of specimen chamber lays program with one-level probe tube, and the liquid-collecting bottle of each sampler chamber is laid after finishing, T-shaped handle is arranged on and prolonged Long tube upper end (will extension tube upper end dop be embedded in the draw-in groove of T-shaped handle), turn clockwise T-shaped handle manually, makes extension tube It is inserted into soil pit in the case where the precession of single-screw blade is acted on one-level probe tube.The rest may be inferred, until the extension tube of continued access reaches To predetermined depth.Extension tube is identical with the connection method of one-level probe tube with the connection of extension tube and extension tube, i.e., shortly By extension tube top dop and the extension tube bottom bayonet fit of continued access in fully-inserted soil pit, make the through hole of bayonet socket and dop Be fixedly connected for the two by alignment, insertion latch.
(4) after the completion of sampling apparatus is embedded, T-shaped handle is removed, waits rainfall to collect soil infiltration water.Rainwater penetrates into soil In infitration process afterwards, the pod apertures of one-level probe tube (extension tube) wall of different depth are run into, the side effect of oozing will occur, make soil Earth seepage water flows freely into liquid-collecting bottle.
(5) one-level probe tube (extension tube) lifting is carried out after the completion of sampling and sample is taken out.By the draw-in groove of T-shaped handle, at its lower end The dop on sampling apparatus top is inserted in, manual rotate counterclockwise handle makes sampling apparatus be screwed out from soil pit.Lay down each sampler chamber The latch of window, opens sampling window, takes out liquid-collecting bottle.
(6) sample for collecting gives respective handling and preservation according to the purpose of research.
(7) explanation:It is a kind of " passing by one's way " water, rain because seepage water is from the bulk water formed after rainfall infiltration soil After stopping, seepage water flows away from soil zone of aeration quickly, into diving system, is now difficult to be collected into seepage water again, therefore, soil The collection of seepage water should select the season in abundant rainfall to carry out.On stand-by period of the sampling apparatus after embedded, with rainfall, The factors such as the time of the duration of rainfall, the soil texture (i.e. permeability) are relevant, it is necessary to particular problem is made a concrete analysis of.It is intermittent for occurring Shower, regather sample after shower several times can be selected.
In addition, showing through field demonstration, sampling depth is most deep to can reach 5m, i.e., manually T-shaped in this depth The precession operation of handle, is easier to realize sampling apparatus in the embedded of soil profile.And when the extension tube of continued access is excessive, due to The resistance being subject to during precession is bigger, manually operated to be difficult to complete.
Described above has shown and described some preferred embodiments of the invention, but as previously described, it should be understood that the present invention Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations, Modification and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or the technology or knowledge of association area It is modified.And the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention, then all should be in this hair In the protection domain of bright appended claims.

Claims (10)

1. a kind of soil infiltration water original position layered sampling device, it is characterised in that including one-level probe tube (1), the one-level takes Sample pipe (1) is cylindrical tube, and several sampler chambers (5) are separated into vertically, and the bottom of the sampler chamber (5) of bottommost is provided with one Individual cone;
Pod apertures (6) are provided with the tube wall of the sampler chamber (5) 1/4 part from top to bottom, under the height of sampler chamber 1/2 Sampling window (7) is provided with half part tube wall, sampling window (7) side is hingedly connected with window (18) by hinge (8), described to take Arc socket (10) and handle (9), arc socket (10) and handle are respectively arranged with sample window (7) opposite side and window (18) (9) it is fixedly connected to close window (18) by latch (17);In pod apertures (6) sections bottom and sampling window of sampler chamber (5) (7) the opening up funnel of loudspeaker (11) are provided between, edge of opening and sampler chamber (5) inwall of the funnel (11) are fixed Connection;
The base plate of the sampler chamber (5) is load sample platform (12), and liquid-collecting bottle (13), the funnel are placed with the load sample platform (12) (11) liquid outlet is stretched into the bottleneck of liquid-collecting bottle (13).
2. soil infiltration water according to claim 1 original position layered sampling device, it is characterised in that in each sampler chamber (5) The region outer wall that pod apertures (6) are distributed with is pasted with one layer of nylon wire.
3. soil infiltration water according to claim 1 original position layered sampling device, it is characterised in that the sampling window (7) Height be the 1/2 of sampler chamber (5) height, sampling window (7) surrounding is provided with sealing joint strip, sampling window (7) opening Angle be 180 °, the i.e. opening of sampling window (7) with the center of over-sampling room (5) cross section as open section, each sampler chamber (5) Sampling window (7) positioned at one-level probe tube (1) homonymy.
4. soil infiltration water according to claim 1 original position layered sampling device, it is characterised in that the one-level probe tube (1) outer wall is welded with single-screw blade (14), and drilling is distributed with the single-screw blade (14), single-screw blade (14) Avoid the window (18) of the sampling window (7) in welding position.
5. soil infiltration water according to claim 1 original position layered sampling device, it is characterised in that including handle (3), The first connecting portion for being fixedly connected with the handle (3) is provided with the top of the one-level probe tube (1).
6. according to any described soil infiltration water original position layered sampling devices of claim 1-5, it is characterised in that including extension Pipe (2), the extension tube (2) is cylindrical tube, and several sampler chambers (5) are separated into vertically;Set in the bottom of the extension tube (2) Second connecting portion is equipped with, the second connecting portion can be fixedly connected with the first connecting portion at the top of the one-level probe tube (1).
7. soil infiltration water according to claim 6 original position layered sampling device, it is characterised in that the first connecting portion It is a cuboid dop (4), a through hole for being inserted into latch is provided with the dop (4);The second connecting portion A cuboid bayonet socket (15) being adapted with the dop (4) specification is provided with, latch energy is provided with the bayonet socket (15) The through hole of enough insertions, when extension tube (2) is combined with one-level probe tube (1), will pass through latch in the embedded bayonet socket (15) of dop (4) It is fixedly connected.
8. soil infiltration water according to claim 7 original position layered sampling device, it is characterised in that in extension tube (2) Top is provided with a connector as the first connecting portion structure, and the handle (3) is T-shaped handle, in the T-shaped hand The bottom of handle (3) is provided with a draw-in groove (16), the specification of the draw-in groove (16) with the cuboid bayonet socket (15) equally, the T Type handle (3) is by the first connecting portion at the top of draw-in groove (16) and one-level probe tube (1) or the connector at the top of extension tube (2) It is fixedly connected.
9. soil infiltration water according to claim 6 original position layered sampling device, it is characterised in that the one-level probe tube (1), the material of extension tube (2) is corrosion resistant austenitic stainless steel;The funnel (11), load sample platform (12), liquid-collecting bottle (13) Material be igelite.
10. soil infiltration water according to claim 1 original position layered sampling device, it is characterised in that the funnel (11), Binding agent cyclohexanone and polyvinyl chloride solution modulation that load sample platform (12) is fixedly connected with sampler chamber (5) inwall, and seal not Leak.
CN201611223703.6A 2016-12-27 2016-12-27 A kind of soil infiltration water original position layered sampling device Pending CN106840759A (en)

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Application publication date: 20170613