CN111678734A - Method and device for sampling parallel samples of underground water in split flow manner - Google Patents
Method and device for sampling parallel samples of underground water in split flow manner Download PDFInfo
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- CN111678734A CN111678734A CN202010562466.6A CN202010562466A CN111678734A CN 111678734 A CN111678734 A CN 111678734A CN 202010562466 A CN202010562466 A CN 202010562466A CN 111678734 A CN111678734 A CN 111678734A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000005070 sampling Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003673 groundwater Substances 0.000 claims description 97
- 238000007789 sealing Methods 0.000 claims description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims 3
- 239000004800 polyvinyl chloride Substances 0.000 claims 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 206010013496 Disturbance in attention Diseases 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003911 water pollution Methods 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1445—Overpressure, pressurisation at sampling point
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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)
Abstract
The invention belongs to the technical field of sampling and monitoring of underground water parallel samples, in particular to a method and a device for sampling underground water parallel samples in a shunting manner, aiming at the problems that two or more parallel samples cannot be simultaneously collected in the prior art, the concentration of pollutants in underground water has larger or smaller concentration difference along with different pumping time, and the analysis technology of the laboratory parallel samples is interfered, the invention provides the following scheme, which comprises the following steps: s1, hermetically connecting the receiving sampler device with the water outlet of the underground water sampler, and enabling the pumped underground water to enter an underground water sample mixing storage device; and S2, storing and mixing the underground water in the storage, and then flowing into a sampling bottle through an underground water diverter to finish sampling. The method is convenient to operate, realizes the simultaneous sampling of the parallel samples of the underground water, solves the problem of poor concentration of pollutants in the underground water caused by different acquisition of the parallel samples of the underground water, and also accelerates the acquisition speed of the parallel samples of the underground water.
Description
Technical Field
The invention relates to the technical field of underground water parallel sample sampling monitoring, in particular to an underground water parallel sample shunting sampling method and device.
Background
With the acceleration of the industrialization process, a plurality of polluted sites appear in China, soil and underground water are polluted to different degrees, the early warning, detection, control and restoration of underground water pollution become more and more important, and the technical requirements on the sampling of underground water parallel samples are higher and higher.
At present, it is different to mainly there being the collection sample to the parallel appearance collection instrument of groundwater, can not gather 2 or a plurality of parallel appearance samples simultaneously, the parallel appearance of collection is not the identical water sample, but the parallel appearance of groundwater in the same time quantum of collection, pollutant concentration can have more or less concentration difference along with taking out the time difference in the groundwater, there is the interference to the parallel appearance analytical technique in laboratory, simultaneously for satisfying parallel appearance detection requirement, the laboratory can carry out the repetition inspection many times, increase detection technology work load.
Disclosure of Invention
The invention aims to solve the problems that two or more parallel sample samples cannot be collected simultaneously in the prior art, the concentration of pollutants in underground water has larger or smaller concentration difference along with different extraction time, and the parallel sample analysis technology of a laboratory is interfered, and provides a method and a device for sampling underground water in a split flow manner.
In order to achieve the purpose, the invention adopts the following technical scheme:
a shunt sampling method for underground water parallel samples comprises the following steps:
s1, hermetically connecting the receiving sampler device with the water outlet of the underground water sampler, and enabling the pumped underground water to enter an underground water sample mixing storage device;
and S2, storing and mixing the underground water in the storage, and then flowing into a sampling bottle through an underground water diverter to finish sampling.
The underground water parallel sample shunting and sampling device comprises a receiving sampler device, the underground water parallel sample shunting and sampling device, a water sample mixing and storing device and an underground water diverter, wherein the underground water diverter comprises a first underground water diverter, a second underground water diverter and a third underground water diverter, the receiving sampler device is positioned at the top of the underground water parallel sample shunting and sampling device, the receiving sampler device is connected with an underground water sampler which can receive underground water, the underground water sample mixing and storing device is positioned in the middle of the underground water parallel sample shunting and sampling device and is used for temporarily storing and extracting the underground water and fully mixing the underground water, meanwhile, the water outlet speed of the underground water diverter is ensured to be consistent in a water pressure mode, the underground water diverter is positioned at the bottom of the underground water parallel sample shunting and sampling device, and three parallel sample, be used for connecting parallel appearance sampling bottle, first groundwater shunt, second groundwater shunt and third groundwater shunt are connected with three parallel appearance sampling bottle respectively, receiving sample thief device, water sample mix the arbitrary that storage ware, groundwater shunt and groundwater sample thief were the above-mentioned suggestion receiving sample thief device, water sample mix storage ware, groundwater shunt and groundwater sample thief.
Preferably, the first groundwater shunt, the second groundwater shunt and the third groundwater shunt are respectively provided with a first control valve, a second control valve and a third control valve.
Preferably, the receiving sampler device and the underground water diverter are made of PVC hoses, so that the receiving sampler device and the underground water diverter are high in flexibility, free of secondary pollution and high in bending property.
Preferably, the material of groundwater sample mixing storage ware is the PVC hard tube for the extraction groundwater of keeping in forms the high pressure, so that groundwater can pass through receiving sampler device, groundwater sample mixing storage ware, groundwater shunt in can getting into parallel appearance sampling bottle fast through groundwater shunt, realize taking the parallel appearance of groundwater simultaneously, solved the parallel appearance of groundwater and gathered when different and there is the groundwater pollutant concentration difference, thereby influence detection scheduling problem, also accelerated the parallel appearance collection speed of groundwater simultaneously.
Preferably, be connected with the sealing washer between the delivery port of receiving sample thief device and groundwater sample thief, form sealing connection, the groundwater of extraction gets into groundwater sample mixing storage ware, and groundwater in the storage ware flows into three parallel appearance sampling bottles respectively through first groundwater shunt, second groundwater shunt and third groundwater shunt after storing, mixing, accomplishes the sample work.
Compared with the prior art, the invention has the advantages that:
this scheme gets into groundwater sample mixing storage ware through the groundwater that groundwater sample thief extracted, groundwater in the storage ware is through storing, mix the back through first groundwater shunt, second groundwater shunt and third groundwater shunt flow in three parallel appearance sampling bottle respectively, can not gather a plurality of or a plurality of parallel appearance sample scheduling problems simultaneously when solving groundwater sampling, thereby realize a plurality of parallel appearance simultaneous acquisition, the parallel appearance of guaranteeing to take is the most genuine parallel appearance, realize simultaneously that a plurality of parallel appearance can be gathered to the same batch, the censorship different laboratories, verify and detect technical accuracy.
The method is convenient to operate, realizes the simultaneous sampling of the parallel samples of the underground water, solves the problem of poor concentration of pollutants in the underground water caused by different acquisition of the parallel samples of the underground water, and also accelerates the acquisition speed of the parallel samples of the underground water.
Drawings
FIG. 1 is a schematic structural diagram of a method and apparatus for sampling a groundwater parallel sample by flow division according to the present invention;
fig. 2 is a circuit diagram of a groundwater sampler according to the present invention.
In the figure: the device comprises a receiving sampler device 1, a water sample mixing storage device 2, a first underground water flow divider 3, a second underground water flow divider 4, a third underground water flow divider 5, a first control valve 6, a third control valve 7 and a second control valve 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-2, a method for sampling a groundwater parallel sample by shunting comprises the following steps:
s1, hermetically connecting the receiving sampler device with the water outlet of the underground water sampler, and enabling the pumped underground water to enter an underground water sample mixing storage device;
and S2, storing and mixing the underground water in the storage, and then flowing into a sampling bottle through an underground water diverter to finish sampling.
Referring to fig. 1-2, an underground water parallel sample diversion sampling device comprises a receiving sampler device 1, an underground water parallel sample diversion sampling device, a water sample mixing storage 2 and an underground water diverter, wherein the underground water diverter comprises a first underground water diverter 3, a second underground water diverter 4 and a third underground water diverter 5, the receiving sampler device 1 is positioned at the top of the underground water parallel sample diversion sampling device, the receiving sampler device 1 is connected with an underground water sampler which can receive underground water, the underground water sample mixing storage 2 is positioned in the middle of the underground water parallel sample diversion sampling device and is used for temporarily storing underground water and fully mixing the underground water, meanwhile, the water outlet speed of the underground water diverter is ensured to be consistent in a water pressure mode, the underground water diverter is positioned at the bottom of the underground water parallel sample diversion sampling device, and the underground water parallel sample diversion sampling device is provided with, the sampling bottle is used for being connected with the parallel sample sampling bottles, and the first underground water flow divider 3, the second underground water flow divider 4 and the third underground water flow divider 5 are respectively connected with the three parallel sample sampling bottles.
In this embodiment, the first groundwater diverter 3, the second groundwater diverter 4 and the third groundwater diverter 5 are provided with a first control valve 6, a second control valve 8 and a third control valve 7, respectively.
In this embodiment, the material of receiving sample thief device 1, groundwater shunt is the PVC hose, and the flexibility is strong, and does not have secondary pollution, and the nature of buckling is strong.
In this embodiment, groundwater sample mixing storage 2's material is the PVC hard tube, be used for keeping in extraction groundwater, form the high pressure, so that groundwater can get into through groundwater shunt in the parallel appearance sampling bottle through receiving sample thief device 1 fast, groundwater sample mixing storage 2, groundwater shunt, the realization is taken the parallel appearance of groundwater simultaneously, it gathers when different and has groundwater pollutant concentration difference to have solved the parallel appearance of groundwater, thereby influence detection scheduling problem, the parallel appearance collection speed of groundwater has also been accelerated simultaneously.
In this embodiment, a sealing ring is connected between the receiving sampler device 1 and the water outlet of the groundwater sampler to form a sealing connection, the pumped groundwater enters the groundwater sample mixing storage 2, the groundwater in the storage respectively flows into three parallel sample sampling bottles through the first groundwater flow diverter 3, the second groundwater flow diverter 4 and the third groundwater flow diverter 5 after being stored and mixed, and the sampling work is completed.
Example two
Referring to fig. 1-2, a method for sampling a groundwater parallel sample by shunting comprises the following steps:
s1, hermetically connecting the receiving sampler device with the water outlet of the underground water sampler, and enabling the pumped underground water to enter an underground water sample mixing storage device;
and S2, storing and mixing the underground water in the storage, and then flowing into a sampling bottle through an underground water diverter to finish sampling.
Referring to fig. 1-2, an underground water parallel sample diversion sampling device comprises a receiving sampler device 1, an underground water parallel sample diversion sampling device, a plurality of water sample mixing reservoirs 2 and a plurality of underground water diverters, wherein the capacity of the underground water sample mixing reservoirs 2 is 2000ml so as to meet the requirement of simultaneous parallel sample collection, the caliber of the receiving sampler device 1 is equal to that of a submersible pump sampling pipe in the current general environment and is set to be 30mm, the caliber of each underground water diverter is set to be 10mm, each underground water diverter comprises a first underground water diverter 3, a second underground water diverter 4 and a third underground water diverter 5, the receiving sampler device 1 is positioned at the top of the underground water parallel sample diversion sampling device, the receiving sampler device 1 is connected with an underground water sampler, the underground water sampler can receive underground water, the water sample underground mixing reservoirs 2 are positioned in the middle of the underground, for the extraction groundwater of keeping in, and carry out the intensive mixing, it is unanimous with water pressure form guarantee groundwater shunt play water speed simultaneously, the groundwater shunt is located groundwater parallel appearance reposition of redundant personnel sampling device bottom, be provided with three parallel appearance sampling bottle on the groundwater parallel appearance reposition of redundant personnel sampling device, be used for connecting parallel appearance sampling bottle, first groundwater shunt 3, second groundwater shunt 4 and third groundwater shunt 5 are connected with three parallel appearance sampling bottle respectively, when the groundwater sample of getting different positions, will be with the whole device of washing 1min that the fresh water in the monitoring well lasts, with get rid of when other position samples remaining pollutant in the device to the interference that this sample detection led to the fact.
In this embodiment, the first groundwater diverter 3, the second groundwater diverter 4 and the third groundwater diverter 5 are provided with a first control valve 6, a second control valve 8 and a third control valve 7, respectively.
In this embodiment, the material of receiving sample thief device 1, groundwater shunt is the PVC hose, and the flexibility is strong, and does not have secondary pollution, and the nature of buckling is strong.
In this embodiment, groundwater sample mixing storage 2's material is the PVC hard tube, be used for keeping in extraction groundwater, form the high pressure, so that groundwater can get into through groundwater shunt in the parallel appearance sampling bottle through receiving sample thief device 1 fast, groundwater sample mixing storage 2, groundwater shunt, the realization is taken the parallel appearance of groundwater simultaneously, it gathers when different and has groundwater pollutant concentration difference to have solved the parallel appearance of groundwater, thereby influence detection scheduling problem, the parallel appearance collection speed of groundwater has also been accelerated simultaneously.
In this embodiment, a sealing ring is connected between the receiving sampler device 1 and the water outlet of the groundwater sampler to form a sealing connection, the pumped groundwater enters the groundwater sample mixing storage 2, the groundwater in the storage respectively flows into three parallel sample sampling bottles through the first groundwater flow diverter 3, the second groundwater flow diverter 4 and the third groundwater flow diverter 5 after being stored and mixed, and the sampling work is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A shunt sampling method for underground water parallel samples is characterized by comprising the following steps:
s1, hermetically connecting the receiving sampler device with the water outlet of the underground water sampler, and enabling the pumped underground water to enter an underground water sample mixing storage device;
and S2, storing and mixing the underground water in the storage, and then flowing into a sampling bottle through an underground water diverter to finish sampling.
2. The underground water parallel sample shunting and sampling device comprises a receiving sampler device (1), an underground water parallel sample shunting and sampling device, a water sample mixing and storing device (2) and an underground water diverter, and is characterized in that the underground water diverter comprises a first underground water diverter (3), a second underground water diverter (4) and a third underground water diverter (5), the receiving sampler device (1) is positioned at the top of the underground water parallel sample shunting and sampling device, the receiving sampler device (1) is connected with an underground water sampler, the underground water sample mixing and storing device is positioned in the middle of the underground water parallel sample shunting and sampling device, the underground water diverter is positioned at the bottom of the underground water parallel sample shunting and sampling device, three parallel sample sampling bottles are arranged on the underground water parallel sample shunting and sampling device, the first underground water diverter (3), the second underground water diverter (4) and the third underground water diverter (5) are respectively connected with the three parallel sample, the receiving sampler device (1), the water sample mixing storage device (2), the underground water diverter and the underground water sampler are all any one of the receiving sampler device (1), the water sample mixing storage device (2), the underground water diverter and the underground water sampler provided by claim 1.
3. A groundwater parallel sample diversion sampling device according to claim 2, wherein the first groundwater diverter (3), the second groundwater diverter (4) and the third groundwater diverter (5) are respectively provided with a first control valve (6), a second control valve (8) and a third control valve (7).
4. The device for sampling and splitting a parallel sample of underground water according to claim 2, wherein the receiving sampler device (1) and the underground water diverter are both made of PVC hoses.
5. The device for sampling and distributing parallel samples of underground water according to claim 2, wherein the underground water sample mixing and storing device (2) is made of PVC (polyvinyl chloride) hard pipe.
6. A device for sampling and splitting a parallel sample of underground water according to claim 2, characterized in that a sealing ring is connected between the receiving sampler device (1) and the water outlet of the underground water sampler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010562466.6A CN111678734A (en) | 2020-06-18 | 2020-06-18 | Method and device for sampling parallel samples of underground water in split flow manner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010562466.6A CN111678734A (en) | 2020-06-18 | 2020-06-18 | Method and device for sampling parallel samples of underground water in split flow manner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557096A (en) * | 2020-12-04 | 2021-03-26 | 江苏康达检测技术股份有限公司 | Parallel sample subpackaging device for high-consistency water quality sampling |
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| CN210347219U (en) * | 2019-06-10 | 2020-04-17 | 湖北省环境监测中心站 | Unmanned aerial vehicle is with adopting water installation |
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2020
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Patent Citations (8)
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|---|---|---|---|---|
| JP2011122941A (en) * | 2009-12-10 | 2011-06-23 | Central Res Inst Of Electric Power Ind | Automatic water sampler |
| CN104964853A (en) * | 2015-07-20 | 2015-10-07 | 清华大学深圳研究生院 | Event mean concentration sampler |
| CN207123419U (en) * | 2017-09-02 | 2018-03-20 | 邱炜 | groundwater sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112557096A (en) * | 2020-12-04 | 2021-03-26 | 江苏康达检测技术股份有限公司 | Parallel sample subpackaging device for high-consistency water quality sampling |
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