CN210180739U - In-situ collection and filtration device based on shallow groundwater - Google Patents
In-situ collection and filtration device based on shallow groundwater Download PDFInfo
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- CN210180739U CN210180739U CN201920802806.0U CN201920802806U CN210180739U CN 210180739 U CN210180739 U CN 210180739U CN 201920802806 U CN201920802806 U CN 201920802806U CN 210180739 U CN210180739 U CN 210180739U
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- 238000001914 filtration Methods 0.000 title claims abstract description 36
- 239000003673 groundwater Substances 0.000 title claims abstract description 21
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 239000004927 clay Substances 0.000 claims abstract description 22
- 238000005086 pumping Methods 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 8
- 239000011148 porous material Substances 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
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- 239000012466 permeate Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 9
- 238000000605 extraction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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Abstract
An in-situ collecting and filtering device based on shallow groundwater belongs to the technical field of hydrogeology. Including gathering filter head, connecting pipe and sampling bottle set up both ends about gathering the filter head respectively, first one of gathering the filter head be equipped with the filtration pore, gather the filter head lower half and be equipped with argil head, argil head on be equipped with the exhaust tube of intercommunication sampling bottle and connecting pipe, the exhaust tube top be connected with air exhaust module. The device has a simple structure, is convenient to disassemble, assemble and transport, can take a sample plot to be drained in a limited environment, can synchronously filter water quality during sampling, and effectively reduces later-stage processes; in addition, the clay head made of clay is used as a filter body, so that more solutes can permeate, chemical components of original underground water quality are protected, and the water quality monitoring efficiency and the monitoring accuracy are improved.
Description
Technical Field
The utility model relates to a filter equipment is gathered to normal position based on shallow groundwater, concretely relates to be applied to groundwater sample scene filtration and collection equipment in northwest arid, semi-arid area groundwater level buried depth more shallow region belongs to hydrogeology technical field.
Background
At present, in the northwest arid and semiarid regions of China, due to the implementation of policies such as well closing and field killing, motor-pumped wells in the regions are abandoned or buried, so that the collection of underground water samples by direct methods such as motor-pumped wells, hand-pressed wells, large-mouth wells and the like is difficult to carry out at the places; in addition, in the research process of sampling local water quality, adopt to excavate the direct water method of fetching water and make later stage to filtration flow greatly increased, the loaded down with trivial details nature improvement of water, the chemical that adds simultaneously in filtering process makes original quality of water change easily, is unfavorable for monitoring quality of water change law.
In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an in-situ collecting and filtering device based on shallow groundwater, which has simple structure and convenient disassembly and assembly and transportation, can take samples in a limited environment and drain water, can synchronously filter water quality during sampling, and effectively reduces later-stage processes; in addition, the clay head made of clay is used as a filter body, so that more solutes can permeate, chemical components of original underground water quality are protected, and the water quality monitoring efficiency and the monitoring accuracy are improved.
The utility model discloses a realize through following technical scheme: the utility model provides a filter equipment is gathered to normal position based on shallow groundwater, is including gathering filter head, connecting pipe and sampling bottle set up both ends about gathering the filter head respectively, first one of gathering the filter head be equipped with the filtration pore, gather the filter head lower half and be equipped with argil head, argil head on be equipped with the exhaust tube of intercommunication sampling bottle and connecting pipe, the exhaust tube top be connected with the module of bleeding.
Furthermore, an air inlet pipe which is communicated with the inside of the argil head and a connecting pipe is also arranged on the argil head.
Furthermore, the argil head on be equipped with respectively and bleed accommodation hole and air inlet blind hole, the exhaust tube set up in the accommodation hole of bleeding, and 2 ~ 3cm departments above the argil head are arranged in to the exhaust tube top, the exhaust tube bottom extends to argil head below and apart from the sampling bottle top face 2 ~ 3mm at least, the intake pipe set up in the air inlet blind hole, the intake pipe top with bleed tube top looks parallel and level, the intake pipe bottom extends to air inlet blind hole bottom, air inlet blind hole's degree of depth range adopts 1 ~ 2 cm.
Furthermore, the air exhaust module adopts a small air exhaust pump, the top end of the air exhaust pipe and the top end of the air inlet pipe are respectively sleeved with an air guide hose, two air guide hoses respectively extend to the external ground along the connecting pipe, the extending ends of the two air guide hoses are respectively provided with a corresponding air exhaust valve and an air inlet valve corresponding to the air exhaust pipe and the air inlet pipe, and the extending ends of the air guide hoses corresponding to the air exhaust pipe are connected with the small air exhaust pump.
Furthermore, the diameter of the exhaust pipe is 2mm, and the diameter of the air inlet pipe is 4 mm.
Further, gather filter head and connecting pipe all adopt cylindrical body structure, the sample bottle top be equipped with the connection bottleneck, the connecting pipe be equipped with a plurality ofly and the connecting pipe about both ends mouth of pipe be equipped with respectively connect the internal thread and connect the external screw thread, a plurality of connecting pipes are through connecting the internal thread and connecting the linear threaded connection in proper order of external screw thread, gather the filter head about both ends be equipped with the filter head internal thread respectively, gather the filter head internal thread and the connecting pipe lower extreme of filter head upper end and be connected external screw thread looks threaded connection, gather the filter head internal thread of filter head lower extreme and be connected the bottleneck external screw thread looks threaded connection in the bottleneck outside.
Further, the connecting pipe outside be equipped with the gimbal that is used for improving whole equilibrium, the gimbal includes balanced limiting plate, sets up many extension protective rod and the position circle of setting in extension protective rod bottom in balanced limiting plate bottom.
Further, gather filter head, connecting pipe and sample bottle external diameter the same, balanced limiting plate adopt the center to be equipped with the annular plate structure of through-hole, and the through-hole on the balanced limiting plate is equipped with perpendicularly along the bottom and encircles in the connecting pipe, gather the extension fender rod in the filter head and the sample bottle outside, the position circle set up in extension fender rod bottom, and the position circle internal diameter is the same with the external diameter of gathering filter head, connecting pipe and sample bottle.
Furthermore, the inner side of the collecting and filtering head is sleeved with an adjusting pipe, the adjusting pipe is uniformly provided with an adjusting hole corresponding to the position of the filtering hole, the inner side of the collecting and filtering head is positioned above the filtering hole and provided with an annular matching groove, and the adjusting pipe is in sliding fit with the matching groove through a limiting bulge arranged at the top.
The utility model has the advantages that:
1. the device has simple structure, is convenient to disassemble, assemble and transport, can take sample samples in a limited environment for draining, and can synchronously filter water quality twice during sampling, thereby greatly reducing later processes and saving manpower and material resources;
2. the clay head made of clay is used as a filter, so that more solutes can permeate through the clay head, chemical components of original underground water quality are protected, the water quality monitoring efficiency and the monitoring accuracy are further improved, and more feasible conditions are created for the development of related scientific research, general investigation and other work related to underground water sample collection in the area.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the connection mode of the connecting pipe of the present invention;
FIG. 3 is a schematic view of the structure of the collecting filter head and the inner clay head of the collecting filter head of the present invention;
FIG. 4 is a schematic structural view of a sampling bottle of the present invention;
fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;
fig. 6 is a schematic structural view of the middle collecting filter head and the internal adjusting tube thereof.
In the figure, a collecting filter head 1, a filter hole 11, a filter head internal thread 12, an adjusting pipe 13, a limiting bulge 14, a matching groove 15, an adjusting hole 16, a clay head 2, an air extraction containing hole 21, an air inlet blind hole 22, a connecting pipe 3, a connecting external thread 31, a connecting internal thread 32, an air extraction pipe 4, an air extraction valve 41, a small air extraction pump 42, an air inlet pipe 5, an air inlet valve 51, an air guide hose 6, a sampling bottle 7, a connecting bottle mouth 71, a rubber sleeve gasket 72, a bottle mouth external thread 73, a balance frame 8, a balance limiting plate 81, an extension protective rod 82, a positioning ring 83 and a collecting pore passage 9.
Detailed Description
For a better understanding, embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
Example 1
The following is a description of example 1.
As shown in fig. 1 and 3, the in-situ collecting and filtering device based on shallow groundwater comprises a collecting filter head 1, a filtering hole 11, a clay head 2, a connecting pipe 3, an exhaust pipe 4, a small-sized air pump 42, an air inlet pipe 5, an air guide hose 6 and a sampling bottle 7, wherein the collecting filter head 1 and the connecting pipe 3 are both of a cylindrical pipe body structure, the top of the collecting filter head 1 is fixedly connected with a plurality of connecting pipes 3 which are linearly arranged, a connecting bottleneck 71 is arranged at the top of the sampling bottle 7, the connecting bottleneck 71 is fixedly connected with the bottom of the collecting filter head 1, and a rubber sleeve gasket 72 is sleeved at the bottom of the sampling bottle 7.
The collecting and filtering head 1 is uniformly provided with a plurality of filtering holes 11 at the upper half part for primarily filtering the underground water entering the collecting and filtering head 1, the collecting and filtering head 1 is in interference fit with a pottery clay head 2 at the lower half part for deeply filtering the underground water in the collecting and filtering head 1, the pottery clay head 2 is respectively provided with an air exhaust containing hole 21 and an air inlet blind hole 22, a stainless steel air exhaust pipe 4 with the diameter of 2mm is arranged in the air exhaust containing hole 21, the top end of the air exhaust pipe 4 is arranged at the position 2-3 cm above the pottery clay head 2, the bottom end of the air exhaust pipe 4 extends to the lower part of the pottery clay head 2 and is at least 2-3 mm away from the top end surface of a connecting bottle mouth 71 of a sampling bottle 7, a stainless steel air inlet pipe 5 with the diameter of 4mm is arranged in the air inlet blind hole 22, the top end of the air inlet pipe 5 is flush with the top end of the air exhaust pipe 4, the depth range of the air inlet blind hole 22 is 1-2 cm.
The top end of the exhaust tube 4 and the top end of the air inlet tube 5 are respectively sleeved with an air guide hose 6, the two air guide hoses 6 extend to the outside of the collecting pore 9 along the connecting tube 3, the extending ends of the air guide hoses are respectively provided with a corresponding exhaust valve 41 and an air inlet valve 51 corresponding to the exhaust tube 4 and the air inlet tube 5, and the extending end of the air guide hose 6 corresponding to the exhaust tube 4 is also connected with a small-sized air pump 42.
It should be noted that the materials used for the collecting filter head 1 and the connecting pipe 3 include, but are not limited to, a polyvinyl chloride (PVC) pipe and a block co-polypropylene (PPB) pipe; the material used for the air guide hose 6 includes but is not limited to Polyethylene (PE) pipe; the sampling bottle 7 is made of glass materials with more stable chemical properties; argil head 2 form through high temperature firing by the clay that the particle diameter is less than 0.002mm, because clay granule specific surface is big, the total area that unit mass material has is big promptly, consequently can more, permeate shallow groundwater fast, filter aquatic large granule silt, see through multiple solute simultaneously, can not lead to the chemical composition of test water sample to change, can effectively be applicable to the normal position and regularly draw shallow groundwater, monitor the water quality law of change.
As shown in fig. 2, the upper and lower end pipe orifices of the connecting pipe 3 are respectively provided with a connecting internal thread 32 and a connecting external thread 31, the plurality of connecting pipes 3 which are linearly arranged are sequentially in threaded connection through the connecting internal thread 32 and the connecting external thread 31, so that the length of the connecting pipe 3 is arranged according to the depth of the collecting pore 9, and the connecting pipe is convenient to disassemble, assemble and transport.
As shown in fig. 3, the upper and lower ends of the collection filter head 1 are respectively provided with filter head internal threads 12, wherein the filter head internal threads 12 at the upper end of the collection filter head 1 are used for being in threaded connection with the connecting external threads 31 at the lower end of the connecting pipe 3, and as shown in fig. 4, the filter head internal threads 12 at the lower end of the collection filter head 1 are used for being in threaded connection with the bottle mouth external threads 73 at the outer side of the connecting bottle mouth 71.
Example 2
The following is a description of example 2.
In embodiment 2, the same reference numerals are given to the same structures as those in embodiment 1, the same description is omitted, and embodiment 2 is modified from embodiment 1 in that, as shown in fig. 5, a balancing stand 8 for improving the overall balance is provided outside the connecting pipe 3, and the balancing stand 8 includes a ring-shaped balance limiting plate 81 provided on the ground outside the collecting duct 9, a plurality of extension guard bars 82 provided at the bottom of the balance limiting plate 81, and a positioning ring 83 provided at the bottom of the extension guard bars 82.
Specifically, gather filter head 1, connecting pipe 3 and sampling bottle 7 external diameter the same, balanced limiting plate 81 adopt the center to be equipped with the annular plate structure of through-hole, and the through-hole on the balanced limiting plate 81 is equipped with perpendicularly along the bottom outward and encircles in connecting pipe 3, the extension fender rod 82 in gathering filter head 1 and the sampling bottle 7 outside for play certain safeguard effect, form the vertically collection passageway in gathering pore 9 simultaneously, prevent to lead to groundwater to get into incompletely because gathering filter head 1 and filtration pore 11 to the lopsidedness, the problem of extraction efficiency reduction, position circle 83 set up in extension fender rod 82 bottom, and position circle 83 internal diameter is the same with the external diameter of gathering filter head 1, connecting pipe 3 and sampling bottle 7, make the position of sampling bottle 7 can be decided by the degree of depth of gathering pore 9, and do not receive the restriction of balancing stand 8.
It should be noted that, the material used for the balance frame 8 includes, but is not limited to, PVC and PBB material.
Example 3
The following is a description of example 3.
In embodiment 3, the same structure as that in embodiment 1 is given the same reference numerals, and the same description is omitted, and embodiment 3 is improved on the basis of embodiment 1, as shown in fig. 6, an adjusting pipe 13 is sleeved on the inner side of the collecting filter head 1, adjusting hole pairs 16 corresponding to the positions of the filter holes 11 are uniformly arranged on the adjusting pipe 13, specifically, an annular matching groove 15 is arranged on the inner side of the collecting filter head 1 above the filter holes 11, and a limiting protrusion 14 in sliding fit with the matching groove 15 is arranged on the top of the adjusting pipe 13 to realize axial positioning in the pipe body, and the size of the filter holes 11 can be preset by rotating the adjusting pipe 13, so that flexible judgment can be performed according to different geographical environments, and the practicability is improved.
It should be noted that, the material used for the adjusting tube 13 includes, but is not limited to, PVC and PBB material.
The use process of the filtering and collecting device is as follows:
firstly, in a shallow underground water area, selecting a field or a wasteland which is flat and has no vegetation cover on the ground surface and is far away from a highway, drilling a hole on the ground by using a diesel engine power drill or a Luoyang shovel, and stopping drilling until the position of 1-1.5 meters below the surface of the underground water;
secondly, according to the actual drilling depth, the connecting pipe 3 is sequentially linearly assembled through the connecting external thread 31 and the connecting internal thread 32, the bottom of the integral connecting pipe 3 is connected with the top of the collecting filter head 1, the bottom of the collecting filter head 1 is connected with a connecting bottle mouth 71 at the top of the sampling bottle 7, and each connecting component is screwed;
thirdly, the connected device is stably and slowly placed in the drill hole, standing is carried out for 10-20 min, so that underground water enters the inner part of the tube cavity of the collecting filter head 1 through the filter hole 11 at the upper end of the collecting filter head 1 and gradually permeates into the clay head 2 at the lower end of the collecting filter head 1;
furthermore, a small air pump 42 is connected with an air guide hose 6 corresponding to the air exhaust pipe 4 on the argil head 2, an air exhaust valve 41 and a small air pump 42 switch are sequentially opened, air is continuously or discontinuously exhausted according to sampling requirements, so that a negative pressure environment is formed inside a sampling bottle 7 below the argil head 2, and water seeps into the argil head 2 and water in the pipe cavity of the collecting filter head 1 is filtered by the argil head 2 to enter the sampling bottle 7 under the negative pressure condition;
then, after sampling is finished, the small air pump 42 and the air extraction valve 41 are sequentially closed, the air inlet valve 51 is opened, external air enters the interior of the argil head 2 through the air inlet pipe 5, and the residual stored underground water in the argil head 2 flows into the sampling bottle 7 due to the compression of the external air;
finally, taking the device out of the drilled hole, and packaging and storing the underground water sample according to the requirement of subsequent analysis and research; the collection filter head 1 is cleaned using a syringe filled with deionized water and the sample vial 7 is rinsed.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (9)
1. The utility model provides a filter equipment is gathered to normal position based on shallow groundwater which characterized in that: the sampling device comprises a collecting filter head, a connecting pipe and a sampling bottle, wherein the connecting pipe and the sampling bottle are respectively arranged at the upper end and the lower end of the collecting filter head, the upper half part of the collecting filter head is provided with a filter hole, the lower half part of the collecting filter head is provided with an argil head, an exhaust pipe communicated with the sampling bottle and the connecting pipe is arranged on the argil head, and the top of the exhaust pipe is connected with an exhaust module.
2. The in-situ shallow groundwater-based collection and filtration device as claimed in claim 1, wherein the clay head is further provided with an air inlet pipe for communicating the inside of the clay head with the connecting pipe.
3. The in-situ collecting and filtering device based on shallow groundwater as claimed in claim 2, wherein the clay head is provided with an air exhaust accommodating hole and an air intake blind hole respectively, the air exhaust pipe is arranged in the air exhaust accommodating hole, the top end of the air exhaust pipe is arranged 2-3 cm above the clay head, the bottom end of the air exhaust pipe extends to below the clay head and is at least 2-3 mm away from the top end surface of the sampling bottle, the air intake pipe is arranged in the air intake blind hole, the top end of the air intake pipe is flush with the top end of the air exhaust pipe, the bottom end of the air intake pipe extends to the bottom of the air intake blind hole, and the depth range of the air intake blind hole is 1-2 cm.
4. The in-situ collecting and filtering device for shallow groundwater according to claim 3, wherein the air pumping module is a small air pump, air guide hoses are respectively sleeved at the top ends of the air pumping pipe and the air inlet pipe, the two air guide hoses respectively extend to the external ground along the connecting pipe, the two air guide hose extending ends are respectively provided with a corresponding air pumping valve and an air inlet valve corresponding to the air pumping pipe and the air inlet pipe, and the air guide hose extending end corresponding to the air pumping pipe is connected with the small air pump.
5. The shallow groundwater-based in situ collection and filtration device as claimed in claim 3, wherein the diameter of the suction pipe is 2mm, and the diameter of the intake pipe is 4 mm.
6. The in-situ collecting and filtering device based on shallow groundwater as claimed in claim 1, wherein the collecting filter head and the connecting pipe are cylindrical pipes, the top of the sampling bottle is provided with a connecting bottleneck, the connecting pipe is provided with a plurality of connecting pipes, the upper and lower end pipe orifices of the connecting pipe are respectively provided with an internal connecting thread and an external connecting thread, the connecting pipes are sequentially and linearly connected by the internal connecting thread and the external connecting thread, the upper and lower ends of the collecting filter head are respectively provided with an internal filter head thread, the internal filter head thread at the upper end of the collecting filter head is in threaded connection with the external connecting thread at the lower end of the connecting pipe, and the internal filter head thread at the lower end of the collecting filter head is in threaded connection with the external bottleneck.
7. The in-situ collecting and filtering device based on shallow groundwater as claimed in claim 1, wherein a balance rack for improving overall balance is arranged outside the connecting pipe, and the balance rack comprises a balance limiting plate, a plurality of extension guard bars arranged at the bottom of the balance limiting plate, and a positioning ring arranged at the bottom of the extension guard bars.
8. The in-situ collecting and filtering device for shallow groundwater as claimed in claim 7, wherein the collecting filter head, the connecting pipe and the sampling bottle have the same outer diameter, the balance limiting plate is an annular plate with a through hole at the center, an extending protection rod surrounding the connecting pipe, the collecting filter head and the sampling bottle is vertically arranged at the bottom of the through hole on the balance limiting plate along the bottom, the positioning ring is arranged at the bottom of the extending protection rod, and the inner diameter of the positioning ring is the same as the outer diameter of the collecting filter head, the connecting pipe and the sampling bottle.
9. The in-situ collecting and filtering device based on shallow groundwater as claimed in claim 1, wherein the collecting and filtering head is sleeved with an adjusting pipe, the adjusting pipe is uniformly provided with adjusting holes corresponding to the positions of the filtering holes, the collecting and filtering head is provided with an annular matching groove above the filtering holes, and the adjusting pipe is in sliding fit with the matching groove through a limiting protrusion arranged at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802806.0U CN210180739U (en) | 2019-05-30 | 2019-05-30 | In-situ collection and filtration device based on shallow groundwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802806.0U CN210180739U (en) | 2019-05-30 | 2019-05-30 | In-situ collection and filtration device based on shallow groundwater |
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| CN210180739U true CN210180739U (en) | 2020-03-24 |
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| CN201920802806.0U Expired - Fee Related CN210180739U (en) | 2019-05-30 | 2019-05-30 | In-situ collection and filtration device based on shallow groundwater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108517A (en) * | 2019-05-30 | 2019-08-09 | 中国地质科学院水文地质环境地质研究所 | A kind of in-situ acquisition filter device and its application method based on phreatic water |
-
2019
- 2019-05-30 CN CN201920802806.0U patent/CN210180739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108517A (en) * | 2019-05-30 | 2019-08-09 | 中国地质科学院水文地质环境地质研究所 | A kind of in-situ acquisition filter device and its application method based on phreatic water |
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