CN114018642A - Groundwater level sampling device that decides - Google Patents
Groundwater level sampling device that decides Download PDFInfo
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- CN114018642A CN114018642A CN202111310721.9A CN202111310721A CN114018642A CN 114018642 A CN114018642 A CN 114018642A CN 202111310721 A CN202111310721 A CN 202111310721A CN 114018642 A CN114018642 A CN 114018642A
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- 239000003673 groundwater Substances 0.000 title claims abstract description 36
- 238000005070 sampling Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a groundwater horizon-fixing sampling device, which comprises: a belleville tube; the water outlet pipe is arranged at the bottom end of the Beller tube; the ball valve is arranged in the middle of the inner cavity of the water outlet pipe; the fixing frame is arranged in the middle of the top end of the Bell tube, fixing grooves are formed in the left side and the right side of the top end of the fixing frame, moving grooves communicated with inner cavities of the fixing grooves are formed in the left side and the right side of the top end of the fixing frame, the moving grooves are located in the inner sides of the fixing grooves, and sliding grooves are formed in the bottom ends of the inner cavities of the moving grooves in the left side and the right side; the top of the outer wall of the connecting rod is slidably embedded in the inner cavity of the fixing frame, and the bottom end of the connecting rod extends into the inner cavity of the Beller tube; the dog, the dog sets up in the top of connecting rod. This device can avoid carrying the in-process that draws the bailer pipe to rise, and upper groundwater flows in the inner chamber of bailer pipe, and then can avoid the groundwater of different aquifers to mix and the testing result that causes is inaccurate, convenient to use.
Description
Technical Field
The invention relates to the technical field of underground water sampling, in particular to an underground water fixed layer sampling device.
Background
Most of the provincial shallow groundwater is seriously polluted for the present china, since groundwater is out of sight of people, some of various chemical substances used or dumped on the ground permeate the ground, causing groundwater pollution, and once the pollutants enter the groundwater, they may be difficult to detect by taste or smell, and are very difficult to treat at a later stage, especially in late summer, pollutants in groundwater will finally flow into rivers and streams, since groundwater provides water sources for many of our rivers, it is very important for the water quality analysis of groundwater, groundwater horizon sampling is that sampling from a certain depth of groundwater, and immediate and single water quality condition of a specified aquifer is performed by horizon sampling;
at present, when carrying out the sampling test to groundwater, can use the bailer tube to take a sample to groundwater usually, but because the underground has multilayer groundwater aquifer, thereby if need carry out the sampling test to groundwater, need adopt water sample in proper order to a plurality of aquifers usually, but the water inlet of traditional bailer tube is not provided with shelters from the mechanism, when taking a sample to lower floor's aquifer, after the groundwater is filled up in the bailer tube, need the vertically to carry the bailer tube and go up ground, but because the water inlet of traditional bailer tube is not provided with shelters from the mechanism, and then at the in-process of carrying the bailer tube, groundwater that is located in the aquifer of upper strata extremely easily mixes with the groundwater in the lower floor's aquifer that holds in the bailer tube, and then cause the groundwater testing result condition to appear, be not convenient for use.
Disclosure of Invention
The invention aims to provide a device for sampling a fixed underground horizon, which at least solves the problem that a shielding mechanism is not arranged in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a groundwater horizon sampling apparatus comprising: a belleville tube; the water outlet pipe is arranged at the bottom end of the Beller tube; the ball valve is arranged in the middle of the inner cavity of the water outlet pipe; the fixing frame is arranged in the middle of the top end of the Bell tube, fixing grooves are formed in the left side and the right side of the top end of the fixing frame, moving grooves communicated with inner cavities of the fixing grooves are formed in the left side and the right side of the top end of the fixing frame in the left-right direction, the moving grooves are located on the inner sides of the fixing grooves, and sliding grooves are formed in the bottom end of the inner cavity of the moving groove in the left-right direction; the top of the outer wall of the connecting rod is slidably embedded in the inner cavity of the fixing frame, and the bottom end of the connecting rod extends into the inner cavity of the Beller tube; the stop block is arranged at the top end of the connecting rod; the number of the supporting blocks is two, the two supporting blocks are respectively arranged on the left side and the right side of the bottom end of the stop block, and the bottom ends of the supporting blocks extend into the outer side of the inner cavity of the moving groove; the baffle is arranged at the bottom end of the connecting rod; the floating body is arranged at the bottom end of the baffle; the number of the mounting blocks is two, the two mounting blocks are respectively matched and inserted into the inner cavities of the two fixing grooves, and the inner sides of the mounting blocks are provided with European fixing cavities along the left and right directions; the bottom end of the first pull rope is arranged at the center of the top end of the stop block; the number of the second pull ropes is two, the bottom ends of the two second pull ropes are respectively arranged in the middle of the top ends of the two mounting blocks, and the top ends of the two second pull ropes are arranged at the bottom of the outer wall of the first pull rope.
Preferably, the inner cavity of the fixed cavity is further provided with: the spring is embedded in the inner side of the inner cavity of the fixed cavity, and one end of the spring is clamped in the inner side of the inner cavity of the fixed cavity; the outer side of the outer wall of the fixing rod is slidably inserted into the inner cavity of the fixing cavity, the inner end of the fixing rod extends into the inner cavity of the moving groove, the inner end of the fixing rod is in contact with the outer side of the supporting block, and the other end of the spring is in contact with the outer end of the fixing rod.
Preferably, the bottom end of the fixed rod is further provided with: the slider, the quantity of slider is two, two the slider sets up respectively in the bottom inboard of two dead levers, the bottom side looks adaptation of slider is pegged graft in the inner chamber of spout.
Preferably, the inner cavity of the sliding groove is dovetail-shaped, and the sliding block is inserted into the inner cavity of the sliding groove in a matching mode.
Preferably, the distance from the inner end of the fixing rod to the inner side of the inner cavity of the movable groove is greater than the length of the fixing rod extending into the inner cavity of the fixing cavity.
Preferably, the two mounting blocks are symmetrical to each other about a center point of the belleville tube.
Preferably, the top end of the baffle and the top end of the inner cavity of the belleville tube are both provided with sealing rubber rings.
The underground water fixed layer sampling device provided by the invention has the beneficial effects that:
1. the invention can lift the Bell tube by utilizing the first pull rope and the second pull rope and convey the Bell tube to the underground, underground water flows into the inner cavity of the Bell tube through the top end of the Bell tube, and the Bell tube is utilized to store the underground water;
2. the invention uses the baffle to shield the top end of the inner cavity of the Bell tube, when the groundwater level in the inner cavity of the Bell tube rises to a certain height, the buoyancy of the groundwater causes the floating body to push the supporting block to move upwards through the baffle, the connecting rod and the baffle, when the supporting block is not contacted with the fixing rod, the fixing rod can be pushed to move inwards by the spring until the fixing rod moves out of the inner cavity of the fixing cavity, thereby releasing the fixing of the mounting block, the Bell tube sinks by the gravity of the Bell tube and the water outlet pipe, further causing the mounting block to move upwards to be separated from the inner cavity of the fixing groove, because the mounting block is not connected with the Bell tube at the moment, the stress point of the first pull rope pulling the Bell tube is changed into the connection position of the first pull rope and the baffle, because the Bell tube sinks due to the gravity, the baffle can be pulled to move upwards by the first pull rope, the baffle can be moved upwards through the connecting rod, until the top end of the baffle plate is contacted with the top end of the inner cavity of the Beller tube, the gravity of the Beller tube can be utilized to enable the top end of the baffle plate to be firmly contacted with the top end of the inner cavity of the Beller tube, and therefore the phenomenon that upper-layer underground water flows into the inner cavity of the Beller tube when the Beller tube is lifted can be avoided;
3. the device can pour the underground water in the inner cavity of the Beller tube by utilizing the matching between the spherical valve and the water outlet pipe, and is provided with the shielding mechanism, so that the phenomenon that the upper-layer underground water flows into the inner cavity of the Beller tube in the process of lifting the Beller tube can be avoided, further, the inaccurate detection result caused by the mixing of the underground water of different aquifers can be avoided, and the use is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a Beller tube;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is an enlarged view of the invention at B;
FIG. 5 is an enlarged view of the invention at C;
FIG. 6 is a front sectional view of the fixing frame;
fig. 7 is an enlarged view of the present invention at D.
In the figure: 1. the device comprises a Bell pipe, 2, a water outlet pipe, 3, a spherical valve, 4, a fixing frame, 5, a fixing groove, 6, a moving groove, 7, a connecting rod, 8, a stop block, 9, a baffle plate, 10, a floating body, 11, an installation block, 12, a fixing cavity, 13, a spring, 14, a fixing rod, 15, a supporting block, 16, a first pull rope, 17, a second pull rope, 18, a sliding groove, 19 and a sliding block.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a groundwater horizon sampling apparatus comprising: the device comprises a Bell tube 1, a water outlet pipe 2, a spherical valve 3, a fixing frame 4, a fixing groove 5, a moving groove 6, a connecting rod 7, a stop block 8, a baffle plate 9, a floating body 10, a mounting block 11, a fixing cavity 12, a spring 13, a fixing rod 14, a supporting block 15, a first pull rope 16, a second pull rope 17, a sliding groove 18 and a sliding block 19, wherein the water outlet pipe 2 is arranged at the bottom end of the Bell tube 1, underground water in the inner cavity of the Bell tube 1 flows out through the water outlet pipe 2, the spherical valve 3 is arranged in the middle of the inner cavity of the water outlet pipe 2, the spherical valve 3 is in the prior art and is used for controlling the opening and closing of the water outlet pipe 2, the fixing frame 4 is arranged in the middle of the top end of the Bell tube 1, the fixing groove 5 is arranged on the left side and the right side of the top end of the fixing frame 4, the moving groove 6 communicated with the inner cavity of the fixing groove 5 is arranged on the inner side of the moving groove 6, the sliding groove 18 is arranged on the left side and right side, the top of the outer wall of the connecting rod 7 is slidably embedded in the inner cavity of the fixed frame 4, the bottom end of the connecting rod 7 extends into the inner cavity of the belleville tube 1, the stop block 8 is arranged at the top end of the connecting rod 7, the stop block 8 is used for preventing the connecting rod 7 from being separated from the inner cavity of the fixed frame 4, the number of the support blocks 15 is two, the two support blocks 15 are respectively arranged at the left side and the right side of the bottom end of the stop block 8, the bottom ends of the support blocks 15 extend into the outer side of the inner cavity of the moving groove 6, the support blocks 15 are used for pushing the fixing rods 14 and preventing the fixing rods 14 from being separated from the inner cavity of the fixed cavity 12, the baffle 9 is arranged at the bottom end of the connecting rod 7, the baffle 9 is used for shielding the top end of the inner cavity of the belleville tube 1, the sealing rubber rings are arranged at the top ends of the baffle 9 and the top end of the inner cavity of the belle tube 1, when the top end of the baffle 9 is contacted with the top end of the inner cavity of the belle tube 1, external groundwater can be prevented from flowing into the inner cavity of the belle tube by the sealing rubber rings, the floating body 10 is arranged at the bottom end of the baffle 9, the floating body 10 is the prior art, the supporting block 15 is pushed to move upwards by using the buoyancy of underground water, the number of the installation blocks 11 is two, the two installation blocks 11 are respectively matched and inserted into the inner cavities of the two fixing grooves 5, the inner sides of the installation blocks 11 are respectively provided with an Oldham's fixing cavity 12 along the left-right direction, the cooperation of the first pull rope 16, the second pull rope 17 and the installation blocks 11 can ensure that the Bellle tube 1 is lifted without the top end of the baffle 9 contacting with the top end of the inner cavity of the Bellle tube 1, the two installation blocks 11 are bilaterally symmetrical by using the central point of the Bellle tube 1, when the Bellle tube 1 is lifted by using the two installation blocks 11, the Bellle tube 1 can be kept balanced, the spring 13 is embedded in the inner cavity of the fixing cavity 12, one end of the spring 13 is clamped in the inner cavity of the fixing cavity 12, the spring 13 is a rotary spring, and is elastically deformed after being extruded or stretched by external force, the external force is removed and then the fixing rod 14 is restored to the initial state, the spring 13 is used for pushing the fixing rod 14 out of the inner cavity of the fixing cavity 12, the outer side of the outer wall of the fixing rod 14 can be slidably inserted into the inner cavity of the fixing cavity 12, the inner end of the fixing rod 14 extends into the inner cavity of the moving groove 6, the inner end of the fixing rod 14 is contacted with the outer side of the supporting block 15, the other end of the spring 13 is contacted with the outer end of the fixing rod 14, the fixing rod 14 is used for fixing the mounting block 11, the number of the sliding blocks 19 is two, the two sliding blocks 19 are respectively arranged at the inner sides of the bottom ends of the two fixing rods 14, the bottom sides of the sliding blocks 19 are matched and inserted into the inner cavity of the sliding groove 18, the sliding blocks 19 and the sliding groove 18 are matched to prevent the fixing rod 14 from being separated from the inner cavity of the moving groove 6, the bottom end of the first pull rope 16 is arranged at the center of the top end of the stop block 8, the first pull rope 16 is used for pulling the pulling rope 1, the number of the second pull ropes 17 is two, the bottom ends of the two second pull ropes 17 are respectively arranged in the middle of the top ends of the two mounting blocks 11, the top ends of the two second pull ropes 17 are both arranged at the bottom of the outer wall of the first pull rope 16, and the second pull ropes 17 are used for pulling the belleville tubes 1.
Preferably, the inner cavity of the sliding groove 18 is dovetail-shaped, and the sliding block 19 is adapted to be inserted into the inner cavity of the sliding groove 18, so that the sliding block 19 is prevented from being separated from the inner cavity of the sliding groove 18, and the fixing rod 14 is prevented from being separated from the inner cavity of the moving groove 6.
Preferably, the distance from the inner end of the fixing rod 14 to the inner side of the inner cavity of the moving slot 6 is larger than the length of the fixing rod 14 extending into the inner cavity of the fixing cavity 12, so that the fixing rod 14 can be completely moved out of the inner cavity of the fixing cavity 12.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device is used, the top end of the first pull rope 16 is pulled, the belleville tube 1 is placed underground, the bottom end of the first pull rope 16 is loose, the belleville tube 1 can be pulled by the first pull rope 16, the second pull rope 17 and the mounting blocks 11, the stress point is two mounting blocks 11 until the belleville tube 1 is completely immersed in groundwater of a aquifer to be sampled, the groundwater flows into the inner cavity of the belleville tube 1 through the top end of the inner cavity of the belleville tube 1 until the groundwater in the inner cavity of the belleville tube 1 is contacted with the floating body 10, the groundwater continuously flows into the inner cavity of the belleville tube 1, the floating body 10 can be driven to move upwards by the buoyancy of the groundwater, the floating body 10 can move upwards by pushing the baffle 9 and the connecting rod 7, the baffle 8 moves upwards to drive the supporting block 15 to move upwards until the supporting block 15 is separated from the inner cavity of the moving groove 6, and further the limit on the fixing rod 14 is released, the fixing rod 14 can be pushed to move out of the inner cavity of the fixing cavity 12 by the aid of the elastic force of the spring 13, fixing of the mounting block 11 is removed, the belleville tube 1 sinks by the aid of the gravity of the belleville tube 1 and the water outlet pipe 2, the mounting block 11 is further enabled to be separated from the inner cavity of the fixing groove 5, the mounting block 11 is disconnected from the belleville tube 1 at the moment, the bottom end of the first pull rope 16 begins to be gradually straightened until the bottom end is completely straightened, the belleville tube 1 continues to sink, the stopper 8 can be pulled to move upwards by the aid of the gravity of the belleville tube 1 and the pull force of the first pull rope 16, the stress point is the stopper 8 at the moment, the stopper 8 can be pulled to move upwards through the connecting rod 7 until the top end of the stopper 9 is contacted with the top end of the inner cavity of the belleville tube 1, and the top end of the stopper 9 can be enabled to be firmly attached to the top end of the inner cavity of the belleville tube 1 by the gravity of the belleville tube 1, and then can avoid carrying the in-process of carrying and drawing the bailer tube 1, the groundwater in the upper strata aquifer flows into in the inner chamber of the bailer tube 1 and mixes with the lower floor's groundwater in the inner chamber of the bailer tube 1, and this device is provided with shelters from the mechanism, can avoid carrying the in-process that the bailer tube 1 rose, and upper strata groundwater flows into in the inner chamber of the bailer tube 1, and then can avoid the groundwater of different aquifers to mix and the testing result that causes is inaccurate, convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A groundwater horizon sampling apparatus, comprising:
a Beller tube (1);
the water outlet pipe (2) is arranged at the bottom end of the Bell pipe (1);
the ball valve (3) is arranged in the middle of the inner cavity of the water outlet pipe (2);
the fixing frame (4) is arranged in the middle of the top end of the Bell tube (1), fixing grooves (5) are formed in the left side and the right side of the top end of the fixing frame (4), moving grooves (6) communicated with inner cavities of the fixing grooves (5) are formed in the left side and the right side of the top end of the fixing frame (4) along the left-right direction, the moving grooves (6) are located on the inner sides of the fixing grooves (5), and sliding grooves (18) are formed in the bottom end of the inner cavity of each moving groove (6) along the left-right direction;
the top of the outer wall of the connecting rod (7) is slidably embedded in the inner cavity of the fixing frame (4), and the bottom end of the connecting rod (7) extends into the inner cavity of the Beller tube (1);
the stop block (8) is arranged at the top end of the connecting rod (7);
the number of the supporting blocks (15) is two, the two supporting blocks (15) are respectively arranged on the left side and the right side of the bottom end of the stop block (8), and the bottom ends of the supporting blocks (15) extend into the outer side of the inner cavity of the moving groove (6);
the baffle (9), the said baffle (9) is set up in the bottom of the tie rod (7);
the floating body (10), the said floating body (10) is set up in the bottom of the baffle (9);
the number of the mounting blocks (11) is two, the two mounting blocks (11) are respectively matched and inserted into the inner cavities of the two fixing grooves (5), and the inner sides of the mounting blocks (11) are provided with European fixing cavities (12) along the left-right direction;
the bottom end of the first pull rope (16) is arranged at the center of the top end of the stop block (8);
the number of the second pull ropes (17) is two, the bottom ends of the two second pull ropes (17) are respectively arranged in the middle of the top ends of the two mounting blocks (11), and the top ends of the two second pull ropes (17) are arranged at the bottom of the outer wall of the first pull rope (16).
2. A subterranean horizon sampling apparatus according to claim 1 further comprising: the inner cavity of the fixed cavity (12) is also provided with:
the spring (13) is embedded in the inner side of the inner cavity of the fixed cavity (12), and one end of the spring (13) is clamped on the inner side of the inner cavity of the fixed cavity (12);
the outer side of the outer wall of the fixing rod (14) is slidably inserted into the inner cavity of the fixing cavity (12), the inner end of the fixing rod (14) extends into the inner cavity of the moving groove (6), the inner end of the fixing rod (14) is in contact with the outer side of the supporting block (15), and the other end of the spring (13) is in contact with the outer end of the fixing rod (14).
3. A subterranean horizon sampling apparatus according to claim 2 wherein: the bottom end of the fixed rod (14) is also provided with:
the number of the sliding blocks (19) is two, the two sliding blocks (19) are respectively arranged on the inner sides of the bottom ends of the two fixing rods (14), and the bottom sides of the sliding blocks (19) are matched and inserted into the inner cavities of the sliding grooves (18).
4. A subterranean horizon sampling apparatus according to claim 3 wherein: the inner cavity of the sliding groove (18) is in a dovetail shape, and the sliding block (19) is matched and inserted in the inner cavity of the sliding groove (18).
5. A subterranean horizon sampling apparatus according to claim 2 wherein: the distance from the inner end of the fixing rod (14) to the inner side of the inner cavity of the moving groove (6) is longer than the length of the fixing rod (14) extending into the inner cavity of the fixing cavity (12).
6. A subterranean horizon sampling apparatus according to claim 1 further comprising: the two mounting blocks (11) are symmetrical left and right with the center point of the Beller tube (1).
7. A subterranean horizon sampling apparatus according to claim 1 further comprising: and sealing rubber rings are arranged at the top end of the baffle (9) and the top end of the inner cavity of the Beller tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310721.9A CN114018642B (en) | 2021-11-04 | 2021-11-04 | Groundwater fixed-horizon sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310721.9A CN114018642B (en) | 2021-11-04 | 2021-11-04 | Groundwater fixed-horizon sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114018642A true CN114018642A (en) | 2022-02-08 |
| CN114018642B CN114018642B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111310721.9A Active CN114018642B (en) | 2021-11-04 | 2021-11-04 | Groundwater fixed-horizon sampling device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040046802A (en) * | 2002-11-28 | 2004-06-05 | 한국지질자원연구원 | A sampling device and method for a sample of underground water at specified depth in a borehole |
| DE212020000389U1 (en) * | 2020-12-23 | 2021-02-18 | Suzhou Yudeshui Electrical Technology Co., Ltd | Automatic sampler for industrial wastewater |
| CN214149991U (en) * | 2021-01-06 | 2021-09-07 | 河北省地质环境监测院 | Bell pipe for taking underground water |
| CN214373635U (en) * | 2021-01-29 | 2021-10-08 | 广西壮族自治区环境保护科学研究院 | Layered sampling device for underground water |
| CN214538673U (en) * | 2020-12-01 | 2021-10-29 | 中科土壤环境科技(江苏)有限公司 | Groundwater sample thief with survey temperature and water level |
-
2021
- 2021-11-04 CN CN202111310721.9A patent/CN114018642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040046802A (en) * | 2002-11-28 | 2004-06-05 | 한국지질자원연구원 | A sampling device and method for a sample of underground water at specified depth in a borehole |
| CN214538673U (en) * | 2020-12-01 | 2021-10-29 | 中科土壤环境科技(江苏)有限公司 | Groundwater sample thief with survey temperature and water level |
| DE212020000389U1 (en) * | 2020-12-23 | 2021-02-18 | Suzhou Yudeshui Electrical Technology Co., Ltd | Automatic sampler for industrial wastewater |
| CN214149991U (en) * | 2021-01-06 | 2021-09-07 | 河北省地质环境监测院 | Bell pipe for taking underground water |
| CN214373635U (en) * | 2021-01-29 | 2021-10-08 | 广西壮族自治区环境保护科学研究院 | Layered sampling device for underground water |
Non-Patent Citations (2)
| Title |
|---|
| 李文攀;朱擎;嵇晓燕;刘廷良;孙宗光;: "地下水采样方法比对研究", 中国环境监测, no. 04 * |
| 李海英;黄文琥;周黔兰;王德贤;陈琨;: "地下水采样方法对分析结果影响的探讨", 广州化工, no. 20 * |
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| Publication number | Publication date |
|---|---|
| CN114018642B (en) | 2024-01-19 |
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