CN111982599A - Tandem type underground water static layered sampling device and sampling method - Google Patents
Tandem type underground water static layered sampling device and sampling method Download PDFInfo
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- CN111982599A CN111982599A CN202010876666.9A CN202010876666A CN111982599A CN 111982599 A CN111982599 A CN 111982599A CN 202010876666 A CN202010876666 A CN 202010876666A CN 111982599 A CN111982599 A CN 111982599A
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- 238000005070 sampling Methods 0.000 title claims abstract description 179
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 230000003068 static effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000003673 groundwater Substances 0.000 claims description 35
- 241001411320 Eriogonum inflatum Species 0.000 claims description 15
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
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Abstract
The invention relates to a tandem type underground water static layering sampling device and a sampling method, wherein the device comprises: a sampling rod; a sampling bottle disposed on the sampling wand: the sampling bottle comprises a sample bottle body, a bottle plug, a cover plug and a driving piece, wherein the bottle plug is arranged at the top of the sample bottle body and used for sealing a bottle opening of the sample bottle body; when taking a water sample, the driving piece drives the cover plug to move upwards and expose the sample introduction through hole, so that the water sample enters the sample bottle body to finish sampling. Compared with the prior art, the invention has the advantages of convenient installation and carrying, controllable sampling depth, small disturbance to underground water and capability of accurately collecting underground water samples with specified depth.
Description
Technical Field
The invention belongs to the technical field of underground water sampling devices, and relates to a series-connection type underground water static layered sampling device.
Background
With the rapid development of industry and agriculture, soil and groundwater environments are seriously threatened. Unreasonable stockpiling of hazardous waste in industrial production, disordered discharge of industrial waste water, excessive use of pesticides and other links, wherein harmful substances migrate into a ground water layer in the water and soil environment along with the processes of rainfall and the like. Underground water is an important fresh water source in China, and the reasonable and safe development of the underground water becomes more important. The monitoring of the groundwater environment before development is the premise of realizing safe utilization of groundwater, particularly in a groundwater system with NAPL phase pollution. The stratified sampling work is an important means for realizing scientific monitoring of underground water.
The existing common underground water sampling means usually adopt a barrel type sampler, although the sampling scheme is simple, the underground water sampling at a depth and a specified depth can not be carried out; water pumps such as water pumps are common in water sampling, but the water pumps are inconvenient to carry and expensive in field work, and the application range of the water pumps is limited.
The device and the method for measuring the water level of the underground water and sampling at the fixed depth disclosed in the Chinese patent 201811052301.3 provide an underground water sampling method, but in the sampling process of different depths, sampling bins with different weights need to be replaced, the process is complicated, and the sampling operation of multiple depths at one time cannot be carried out.
The collection device for groundwater of different levels disclosed in chinese patent 201310714102.5 provides a method for realizing multilayer water taking, but the disturbance to the water environment is large in the process of going down the well, the unsealed in the process of going down the well of the sampler can lead to the random mixing of groundwater of different depths, and the control of sampling depth is not flexible.
Therefore, there is a need for a device and method for performing static sampling of groundwater at different depths.
Disclosure of Invention
The invention aims to provide a tandem type underground water static layered sampling device and a sampling method.
The purpose of the invention can be realized by the following technical scheme:
one of the technical schemes of the invention provides a series connection type underground water static layered sampling device, which comprises:
a sampling rod;
a sampling bottle disposed on the sampling wand: the sampling bottle comprises a sample bottle body, a bottle plug, a cover plug and a driving piece, wherein the bottle plug is arranged at the top of the sample bottle body and used for sealing a bottle opening of the sample bottle body; when taking a water sample, the driving piece drives the cover plug to move upwards and expose the sample introduction through hole, so that the water sample enters the sample bottle body to finish sampling.
Furthermore, the driving piece including fix waterproof solenoid and the tension adjusting part in lid stopper top, and with the armature that the lid stopper fuses, waterproof solenoid still connect external power source through waterproof power cord, tension adjusting part connect the lid stopper for exert down force to the lid stopper. When a sample is needed, the switch circuit composed of the waterproof power line and the like is controlled to be switched on, so that the waterproof electromagnetic coil is electrified, the waterproof electromagnetic coil generates magnetic force, the armature is attracted to resist the downward pressure applied by the tension adjusting assembly and the like to lift the cover plug, the underground water sample is poured into the sample bottle body, the power-off magnetic force disappears after the collection is finished, and the cover plug returns under the action of elasticity and the like to compress the sampling through hole for sealing. The armature and the cover plug can be fixed into a whole through adhesion of waterproof glue and the like.
Furthermore, the tension adjusting assembly comprises a tension adjusting screw and a spring, wherein the tension adjusting screw is fixed above the cover plug in a threaded manner and is adjustable in height, and the spring is connected with the tension adjusting screw and the cover plug at two ends respectively. The height of the tension adjusting screw can be adjusted, so that the acting force of the spring can be adjusted by adjusting the height. And the main function of the spring is to exert a downward force on the cap plug so that it can be sealed in a mating manner with the sampling through-hole. The shape of the cap plug is preferably conical.
Furthermore, the upper surface of the bottle stopper is also provided with a door-shaped frame, the cover stopper is positioned in the door-shaped frame, and the driving piece is arranged on the door-shaped frame.
Furthermore, the bottom of the portal frame forms a buffer cavity surrounding the sample injection through hole, and the arrangement of the buffer cavity can further reduce the influence on the water body to be sampled in the process of lifting the cover plug, so as to better realize static sampling.
Furthermore, the sampling rod is of an open structure with an arc-shaped cross section, and the sampling rod is preferably made of a light rigid material. Like this, on the one hand can conveniently with the cooperation installation of sampling bottle, simultaneously, it has certain twisting resistance, can guarantee the light and the firm of sampling pole simultaneously.
Furthermore, a scale is processed on the outer surface of the sampling rod. Furthermore, the end part of the sampling rod is also provided with a fixed connecting hole for vertical serial splicing. Like this, the sampling rod can be according to the groundwater sample depth requirement of difference, and the sampling rod of different radical of series connection.
Furthermore, the sampling bottle is fixed on the sampling rod through a binding belt.
The second technical scheme of the invention provides an underground water static stratified sampling method which is implemented by adopting the series-connection type underground water static stratified sampling device and is characterized by comprising the following steps:
(1) determining the depth of the underground water body;
(2) according to the depth and sampling quantity of underground water, a device assembled by a sampling rod and sampling bottles is placed into the underground water body to be sampled until the uppermost sampling bottle is completely submerged into the underground water;
(3) after standing, the sampling bottle is opened, so that the groundwater with the corresponding depth flows into the sampling bottle, and after stabilization, the sampling bottle is closed, and sampling is completed.
Compared with the prior art, the invention has the advantages of convenient installation and carrying, controllable sampling depth, small disturbance to underground water and capability of accurately collecting underground water samples with specified depth.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a sampling rod;
FIG. 3 is a schematic view of a sample bottle;
the notation in the figure is:
1-sampling bottle, 2-sampling rod, 3-dial gauge, 4-buckle, 5-fixed connection hole;
101-waterproof power line, 102-waterproof electromagnetic coil, 103-fixing screw, 104-tension adjusting screw, 105-door-shaped frame, 106-armature, 107-cover plug, 108-bottle plug, 109-sample bottle body and 110-spring.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, functional components or structures that are not specifically described are all conventional components or structures in the art.
The invention provides a tandem type groundwater static layering sampling device, the structure of which is shown in figures 1 and 3, comprising:
a sampling rod 2;
In a specific embodiment of the present invention, referring to fig. 3 again, the driving member includes a waterproof electromagnetic coil 102 fixed above a cover plug 107, a tension adjusting assembly, and an armature 106 integrally connected to the cover plug 107, the waterproof electromagnetic coil 102 is further connected to an external power source through a waterproof power cord 101, and the tension adjusting assembly is connected to the cover plug 107 and is used for applying a downward pressure to the cover plug 107. When a sample needs to be taken, the switch circuit composed of the waterproof power line 101 and the like is controlled to be switched on, so that the waterproof electromagnetic coil 102 is electrified, the waterproof electromagnetic coil 102 generates magnetic force, the armature 106 is attracted to resist the downward pressure and the like applied by the tension adjusting assembly to lift the cover plug 107, an underground water sample is poured into the sample bottle body 109, the magnetic force disappears after the sample is collected, and the cover plug 107 returns to compress the sampling through hole to be sealed under the action of the elastic force and the like. The armature 106 and the cap plug 107 may be integrally fixed by adhesion such as waterproof adhesive. In addition, a waterproof power cord 101 and associated plug may be attached to the sampling rod 2.
Furthermore, the tension adjusting assembly includes a tension adjusting screw 104 screwed above the cap plug 107 and having an adjustable height, and a spring 110 having two ends respectively connecting the tension adjusting screw 104 and the cap plug 107. The height of the tension adjustment screw 104 is adjustable so that adjustment of the height also allows for adjustment of the force applied by the spring 110. While the primary function of the spring 110 is to apply a downward force to the cap plug 107 so that it can be sealed in a mating relationship with the sampling through-hole. The shape of the lid plug 107 is preferably tapered.
In a specific embodiment of the invention, the bottle stopper 108 is further provided with a door-shaped frame 105 on the upper surface, the cover stopper 107 is located in the door-shaped frame 105, and the driving member is arranged on the door-shaped frame 105.
Furthermore, the bottom of the portal frame 105 forms a buffer cavity surrounding the sample introduction through hole, and the arrangement of the buffer cavity can further reduce the influence on the water body to be sampled in the lifting process of the cover plug 107, so as to better realize static sampling.
In a specific embodiment of the present invention, the sampling rod 2 is an open structure with an arc-shaped cross section, and the material thereof is preferably a lightweight rigid material. Like this, on the one hand can conveniently with sampling bottle 1 cooperation installation, simultaneously, it has certain twisting resistance, can guarantee the light and the firm of sampling rod 2 simultaneously.
In a particular embodiment of the present invention, a scale 3 is also machined on the outer surface of the sampling rod 2.
In a specific embodiment of the present invention, please refer to fig. 2 again, the end of the sampling rod 2 is further provided with a fixed coupling hole 5 for vertical serial splicing. Like this, sampling rod 2 can be according to the groundwater sample depth requirement of difference, the different radical sampling rod of series connection.
In a specific embodiment of the present invention, the sampling bottle 1 is fixed on the sampling rod 2 by a binding belt.
The invention also provides a groundwater static stratified sampling method which is implemented by adopting the tandem type groundwater static stratified sampling device and comprises the following steps:
(1) determining the depth of the underground water body;
(2) according to the depth and sampling quantity of underground water, a device assembled by a sampling rod 2 and sampling bottles 1 is placed into an underground water body to be sampled until the uppermost sampling bottle 1 is completely submerged into the underground water;
(3) after standing, the sampling bottle 1 is opened, so that the groundwater with the corresponding depth flows into the sampling bottle 1, and after stabilization, the sampling bottle 1 is closed, and sampling is completed.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to specific examples.
Example 1:
the embodiment provides a tandem type groundwater static stratified sampling device, the structure of which is shown in fig. 1 and fig. 3, and the device comprises:
a sampling rod 2;
sampling bottle 1 disposed on sampling rod 2: the sampling device comprises a sample bottle body 109, a bottle stopper 108, a cover plug 107 and a driving part, wherein the bottle stopper 108 is arranged at the top of the sample bottle body 109 and is used for sealing the bottle opening of the sample bottle body 109, a sampling through hole which is vertically communicated with a sampling cavity in the sample bottle body 109 is also arranged on the bottle stopper 108, the cover plug 107 is arranged at the position of the sampling through hole of the bottle stopper 108 and is connected with the driving part, and the cover plug 107 is arranged on the bottle stopper 108 in a covering manner and seals the sampling through hole under normal state; when taking a water sample, the driving member drives the cap plug 107 to move upwards and expose the sample introduction through hole, so that the water sample enters the sample bottle 109 to finish sampling.
Referring again to fig. 3, the driving member includes a waterproof electromagnetic coil 102 fixed above the cover plug 107, a tension adjusting assembly, and an armature 106 integrally connected to the cover plug 107, the waterproof electromagnetic coil 102 is further connected to an external power source through a waterproof power cord 101, and the tension adjusting assembly is connected to the cover plug 107 and is configured to apply a downward pressure to the cover plug 107. When a sample needs to be taken, the switch circuit composed of the waterproof power line 101 and the like is controlled to be switched on, so that the waterproof electromagnetic coil 102 is electrified, the waterproof electromagnetic coil 102 generates magnetic force, the armature 106 is attracted to resist the downward pressure and the like applied by the tension adjusting assembly to lift the cover plug 107, an underground water sample is poured into the sample bottle body 109, the magnetic force disappears after the sample is collected, and the cover plug 107 returns to compress the sampling through hole to be sealed under the action of the elastic force and the like. The armature 106 and the cap plug 107 may be integrally fixed by adhesion such as waterproof adhesive.
Referring to fig. 3 again, the tension adjusting assembly includes a tension adjusting screw 104 fixed above the cover plug 107 in a threaded manner and having an adjustable height, and a spring 110 having two ends respectively connected to the tension adjusting screw 104 and the cover plug 107. The height of the tension adjustment screw 104 is adjustable so that adjustment of the height also allows for adjustment of the force applied by the spring 110. While the primary function of the spring 110 is to apply a downward force to the cap plug 107 so that it can be sealed in a mating relationship with the sampling through-hole. The shape of the lid plug 107 is preferably tapered.
Referring to fig. 3 again, the upper surface of the bottle stopper 108 is further provided with a door-shaped frame 105, the cover stopper 107 is located in the door-shaped frame 105, and the door-shaped frame 105 is provided with a waterproof electromagnetic coil 102, a tension adjusting screw 104 and other driving member component structures. The gate frame 105 may be fixed to the bottle stopper 108 by a fixing screw 103 or the like.
Referring to fig. 3 again, a buffer cavity surrounding the sample inlet hole is formed at the bottom of the portal frame 105, and the buffer cavity can further reduce the influence on the water body to be sampled during the lifting process of the cover plug 107, so as to better realize static sampling.
Referring to fig. 1 again, the sampling rod 2 is an open structure with an arc-shaped cross section, and the material thereof is preferably a lightweight rigid material. Like this, on the one hand can conveniently with sampling bottle 1 cooperation installation, simultaneously, it has certain twisting resistance, can guarantee the light and the firm of sampling rod 2 simultaneously. A scale 3 is also machined on the outer surface of the sampling rod 2.
Referring to fig. 2 again, the end of the sampling rod 2 is further provided with a fixed coupling hole 5 for vertical serial splicing. Like this, sampling rod 2 can be according to the groundwater sample depth requirement of difference, the different radical sampling rod of series connection.
The sampling bottle 1 is fixed on the sampling rod 2 through a binding belt.
Based on the above tandem type groundwater static stratified sampling device, the embodiment further provides a groundwater static stratified sampling method, which includes the following steps:
(2) according to the depth and sampling quantity of underground water, a device assembled by a sampling rod 2 and sampling bottles 1 is placed into an underground water body to be sampled until the uppermost sampling bottle 1 is completely submerged into the underground water;
(3) after standing, the sampling bottle 1 is opened, so that the groundwater with the corresponding depth flows into the sampling bottle 1, and after stabilization, the sampling bottle 1 is closed, and sampling is completed.
(1) Determination of groundwater level
Determining the underground water level in the drill hole through a water level meter to serve as basic data; preparing a rope of a corresponding length, etc.
(2) Assembly of sampling wand 2 and sampling bottle 1
According to the depth of underground water to be sampled and the number of samples to be sampled, sampling rods 2 with different numbers and standard lengths are connected in series, sampling bottles 1 are fixed on the sampling rods 2 through binding belts, and the distance between each sampling bottle 1 and the upper end of the first sampling rod corresponds to the underground water sample with a specific depth to be sampled; meanwhile, the waterproof power line 101 of each sampling bottle 1 is fixed on the buckle 4 of the sampling rod 2 and numbered in order to control the valve switch of each sampling bottle 1 independently.
(3) Water taking in well
Connect the rope on 2 tops of sampling pole, slowly put into the well with the sampling pole 2 and the sampling bottle 1 that the equipment was accomplished for first sampling pipe top is adopted and is got into the groundwater completely. After standing for a period of time, the waterproof electromagnetic coil 102 is electrified, the sampling through hole of the sample bottle body 109 is opened, the groundwater with the corresponding depth slowly flows into the bottle, after a period of stability, the sampling through hole is closed by power failure, and the sampling is finished.
(4) Lifting sampling device
After the sample finishes, slowly promote sampling device to ground after, dismantle sampling pole 2 and sampling bottle 1, follow the requirement and submit for inspection etc. after the water sample letter sorting of the corresponding degree of depth behind the mark.
(5) Cleaning sampling bottle
And after the water sample is taken out, cleaning the sampling bottle 1, and waiting for next sampling operation.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A tandem type groundwater static layering sampling device is characterized by comprising:
a sampling rod;
a sampling bottle disposed on the sampling wand: the sampling bottle comprises a sample bottle body, a bottle plug, a cover plug and a driving piece, wherein the bottle plug is arranged at the top of the sample bottle body and used for sealing a bottle opening of the sample bottle body; when taking a water sample, the driving piece drives the cover plug to move upwards and expose the sample introduction through hole, so that the water sample enters the sample bottle body to finish sampling.
2. A tandem groundwater static stratified sampling apparatus as claimed in claim 1, wherein the driving member comprises a waterproof electromagnetic coil and a tension adjusting member fixed above the lid plug, and an armature integrally connected to the lid plug, the waterproof electromagnetic coil is further connected to an external power source through a waterproof power line, and the tension adjusting member is connected to the lid plug and is used for applying a down pressure to the lid plug.
3. The tandem groundwater static stratified sampling device according to claim 2, wherein the tension adjusting assembly comprises a tension adjusting screw which is fixed above the lid plug in a threaded manner and is adjustable in height, and a spring which is connected with the tension adjusting screw and the lid plug at two ends respectively.
4. A serially connected groundwater static stratified sampling apparatus as claimed in claim 1, wherein the upper surface of the bottle stopper is further provided with a gate-shaped frame, the cover stopper is positioned in the gate-shaped frame, and the driving member is arranged on the gate-shaped frame.
5. The tandem groundwater static stratified sampling apparatus as claimed in claim 4, wherein the bottom of the gate frame forms a buffer cavity surrounding the sample introduction through hole.
6. The tandem groundwater static stratified sampling device of claim 1, wherein the sampling rod is an open structure with an arc-shaped cross section.
7. The tandem groundwater static stratified sampling apparatus of claim 1, wherein a scale is further processed on an outer surface of the sampling rod.
8. The tandem groundwater static stratified sampling apparatus as claimed in claim 1, wherein the sampling bottle is fixed to the sampling rod by a binding tape.
9. The tandem groundwater static stratified sampling device of claim 1, wherein the end of the sampling rod is further provided with a fixed coupling hole for vertical tandem splicing.
10. A method for static stratified sampling of groundwater, which is carried out using the tandem-type groundwater static stratified sampling apparatus as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
(1) determining the depth of the underground water body;
(2) according to the depth and sampling quantity of underground water, a device assembled by a sampling rod and sampling bottles is placed into the underground water body to be sampled until the uppermost sampling bottle is completely submerged into the underground water;
(3) after standing, the sampling bottle is opened, so that the groundwater with the corresponding depth flows into the sampling bottle, and after stabilization, the sampling bottle is closed, and sampling is completed.
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| CN202010876666.9A CN111982599A (en) | 2020-08-27 | 2020-08-27 | Tandem type underground water static layered sampling device and sampling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113358412A (en) * | 2021-06-03 | 2021-09-07 | 中电建生态环境集团有限公司 | River sludge sampling system |
| CN113405833A (en) * | 2021-05-24 | 2021-09-17 | 上海化工院环境工程有限公司 | Multipoint-monitoring soil heavy metal pollutant migration simulation experiment device and application |
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