CN114018642B - Groundwater fixed-horizon sampling device - Google Patents
Groundwater fixed-horizon sampling device Download PDFInfo
- Publication number
- CN114018642B CN114018642B CN202111310721.9A CN202111310721A CN114018642B CN 114018642 B CN114018642 B CN 114018642B CN 202111310721 A CN202111310721 A CN 202111310721A CN 114018642 B CN114018642 B CN 114018642B
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- 239000003673 groundwater Substances 0.000 title claims abstract description 43
- 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
- 230000006978 adaptation Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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)
- 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a groundwater fixed-horizon sampling device, which comprises: bei Leguan; the water outlet pipe is arranged at the bottom end of the Belleville tube; the spherical 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 Belleville 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 the 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-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 belleville pipe; the stop block is arranged at the top end of the connecting rod. The device can avoid that the upper layer groundwater flows into the inner cavity of the Beller tube in the lifting and pulling the Beller tube to rise, and further can avoid inaccurate detection results caused by mixing of groundwater of different water-bearing layers, and is convenient to use.
Description
Technical Field
The invention relates to the technical field of groundwater sampling, in particular to a groundwater fixed-level sampling device.
Background
Because groundwater provides a water source for many rivers, it is very important for the quality analysis of groundwater, namely, groundwater fixed-level sampling, namely, sampling from a certain depth aquifer of groundwater, and designating the immediate and single quality condition of the aquifer through fixed-level sampling;
at present, when groundwater is sampled and detected, a belleville pipe is generally used for sampling the groundwater, but because the underground is provided with multiple layers of groundwater aquifers, when the groundwater is sampled and detected, the multiple layers of aquifers are required to be sampled and sampled in sequence, but the water inlet of the traditional belleville pipe is not provided with a shielding mechanism, when the lower layers of aquifers are sampled, after the belleville pipe is filled with the groundwater, bei Leguan is required to be lifted to the ground vertically, but because the water inlet of the traditional belleville pipe is not provided with the shielding mechanism, the groundwater in the upper layers of aquifers is very easy to mix with the groundwater in the lower layers of aquifers filled in Bei Leguan in the process of lifting the belleville pipe, so that inaccurate groundwater detection results are caused, and the underground water sampling device is inconvenient to use.
Disclosure of Invention
The invention aims to provide a groundwater locating layer sampling device which at least solves the problem that a shielding mechanism is not arranged in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a groundwater level-fixing sampling device, comprising: bei Leguan; the water outlet pipe is arranged at the bottom end of the Belleville tube; the spherical 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 Belleville 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 the 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 ends of the inner cavities of the moving grooves 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 belleville pipe; 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 at 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 and adaptively 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-right direction; the bottom end of the first pull rope is arranged in 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 respectively arranged at the bottom of the outer wall of the first pull rope.
Preferably, the inner cavity of the fixing 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 fixed rod is slidably inserted into the inner cavity of the fixed cavity, the inner end of the fixed rod extends into the inner cavity of the movable groove, the inner end of the fixed 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 fixed rod.
Preferably, the bottom of dead lever still is provided with: the number of the sliding blocks is two, the two sliding blocks are respectively arranged on the inner sides of the bottom ends of the two fixing rods, and the bottom sides of the sliding blocks are matched and inserted into the inner cavity of the sliding groove.
Preferably, the inner cavity of the chute is dovetail-shaped, and the sliding block is inserted into the inner cavity of the chute in a matching manner.
Preferably, the distance from the inner end of the fixed rod to the inner side of the inner cavity of the movable groove is larger than the length of the fixed rod extending into the inner cavity of the fixed cavity.
Preferably, the two mounting blocks are symmetrical left and right about the center point of the belleville tube.
Preferably, sealing rubber rings are arranged at the top ends of the baffle plate and the inner cavity of the belleville pipe.
The invention provides a groundwater fixed-horizon sampling device, which has the beneficial effects that:
1. according to the invention, the first pull rope and the second pull rope can be used for lifting the Belleville pipe and conveying the Belleville pipe into the underground, groundwater flows into the inner cavity of the Belleville pipe through the top end of the Belleville pipe, and the Belleville pipe is used for storing the groundwater;
2. according to the invention, the top end of the inner cavity of the Behler tube is shielded by the baffle, when the liquid level of groundwater in the inner cavity of the Behler tube rises to a certain height, the floating body is pushed to move upwards by the baffle, the connecting rod and the stop block, 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, the fixation of the mounting block is relieved, the Behler tube is pushed to sink by the gravity of the Behler tube and the water outlet pipe, the mounting block is further pushed to move upwards and separate from the inner cavity of the fixing groove, and the mounting block is not connected with the Behler tube at the moment, so that the stress point of the first pull rope for pulling the Behler tube becomes the connection part of the first pull rope and the stop block, and the stop block can be pulled to move upwards by the first pull rope at the moment until the top end of the baffle is contacted with the top end of the inner cavity of the Behler tube, and the top end of the baffle can be firmly contacted with the top end of the inner cavity of the Behler tube by the gravity of the Behler tube, and the situation that the Behler tube can be prevented from flowing into the underground water layer when the Behler tube is lifted upwards;
3. according to the invention, the spherical valve is matched with the water outlet pipe to pour out the underground water in the inner cavity of the belleville pipe, and the device is provided with the shielding mechanism, so that the situation that the upper-layer underground water flows into the inner cavity of the belleville pipe in the lifting process of the belleville pipe can be avoided, and inaccurate detection results caused by mixing of underground water of different water-bearing layers can be avoided, and the device is convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure 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 cross-sectional view of the mount;
fig. 7 is an enlarged view of the invention at D.
In the figure: 1. the device comprises a Beller pipe, 2, a water outlet pipe, 3, a ball valve, 4, a fixing frame, 5, a fixing groove, 6, a moving groove, 7, a connecting rod, 8, a stop block, 9, a baffle, 10, a floating body, 11, a mounting 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 following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a groundwater level-fixing sampling device, comprising: the utility model provides a novel water heater, which comprises a Belleville tube 1, a water outlet pipe 2, a ball valve 3, a fixed frame 4, a fixed slot 5, a movable slot 6, a connecting rod 7, a stop block 8, a baffle 9, a floating body 10, a mounting block 11, a fixed cavity 12, a spring 13, a fixed rod 14, a supporting block 15, a first pull rope 16, a second pull rope 17, a chute 18 and a sliding block 19, wherein the water outlet pipe 2 is arranged at the bottom end of the Belleville tube 1, groundwater in the inner cavity of the Belleville tube 1 flows out through the water outlet pipe 2, the ball valve 3 is arranged at the middle part of the inner cavity of the water outlet pipe 2, the ball valve 3 is in the prior art, the novel water heater is used for controlling the opening and closing of the water outlet pipe 2, the fixed frame 4 is arranged at the middle part of the top end of the Belleville tube 1, the movable slot 6 communicated with the inner cavity of the fixed slot 5 is arranged at the left and right sides of the top end of the fixed frame 4, the inner cavity bottom of the movable groove 6 is provided with a sliding groove 18 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 fixed frame 4, the bottom 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 separating from the inner cavity of the fixed frame 4, the number of the two 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 end of the support block 15 extends into the outer side of the inner cavity of the movable groove 6, the support block 15 is used for pushing the fixing rod 14, the fixing rod 14 is prevented from separating 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 inner cavity top of the Belleville tube 1, the top end of the baffle 9 and the inner cavity top of the Belleville tube 1 are all provided with sealing rubber rings, the sealing rubber ring is utilized to prevent external underground water from flowing into the inner cavity of the Beylor tube, the floating body 10 is arranged at the bottom end of the baffle plate 9, the floating body 10 is in the prior art, the floating body is used for pushing the supporting blocks 15 to move upwards by utilizing the buoyancy of the underground water, the number of the installing blocks 11 is two, the two installing blocks 11 are respectively and adaptively inserted into the inner cavities of the two fixing grooves 5, the inner sides of the installing blocks 11 are respectively provided with the European fixing cavity 12 along the left and right directions, the cooperation among the first pull rope 16, the second pull rope 17 and the installing blocks 11 can ensure that the Beylor tube 1 is lifted under the condition that the top end of the baffle plate 9 is not contacted with the top end of the inner cavity of the Beylor tube 1, the two installing blocks 11 are bilaterally symmetrical at the center point of the Beylor tube 1, the Beylor tube 1 can be kept balanced when the Beylor tube 1 is lifted by utilizing the two installing blocks 11, one end of the spring 13 is clamped inside the inner cavity of the fixing cavity 12, the spring 13 is a rotary spring, is extruded or stretched by external force and is elastically deformed, the external force is removed and returns to an initial state, the spring 13 is used for pushing the fixed rod 14 out of the inner cavity of the fixed cavity 12, the outer side of the outer wall of the fixed rod 14 is slidably inserted into the inner cavity of the fixed cavity 12, the inner end of the fixed rod 14 extends into the inner cavity of the movable groove 6, the inner end of the fixed 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 fixed rod 14, the fixed 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 fixed rods 14, the bottom sides of the sliding blocks 19 are adaptively inserted into the inner cavity of the sliding grooves 18, the sliding blocks 19 and the sliding grooves 18 are matched with each other to prevent the fixed rod 14 from being separated from the inner cavity of the movable 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 stay cord 16 is used for carrying and drawing the belleville pipe 1, and the quantity of second stay cord 17 is two, and the bottom of two second stay cords 17 sets up respectively in the top middle part of two installation piece 11, and the top of two second stay cords 17 all sets up in the outer wall bottom of first stay cord 16, and the second stay cord 17 is used for carrying and drawing the belleville pipe 1.
As a preferred scheme, further, the inner cavity of the chute 18 is dovetail-shaped, and the sliding block 19 is adaptively inserted into the inner cavity of the chute 18, so that the sliding block 19 can be prevented from being separated from the inner cavity of the chute 18, and further, the fixed rod 14 can be prevented from being separated from the inner cavity of the moving slot 6.
Preferably, the distance from the inner end of the fixed rod 14 to the inner side of the inner cavity of the moving groove 6 is larger than the length of the fixed rod 14 extending into the inner cavity of the fixed cavity 12, so that the fixed rod 14 can be completely moved out of the inner cavity of the fixed cavity 12.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
When the device is used, the top end of the first pull rope 16 is lifted, the belleville pipe 1 is put into the well, at the moment, the bottom end of the first pull rope 16 is loose, the belleville pipe 1 can be lifted by utilizing 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 pipe 1 is completely immersed in groundwater of a water layer to be sampled, the groundwater flows into the inner cavity of the belleville pipe 1 through the top end of the inner cavity of the belleville pipe 1 until the groundwater in the inner cavity of the belleville pipe 1 is contacted with the floating body 10, the groundwater continuously flows into the inner cavity of the belleville pipe 1, the floating body 10 can be driven to move upwards by utilizing the buoyancy of the groundwater, the floating body 10 can be driven to move upwards by pushing the baffle 9 and the connecting rod 7, the baffle 8 can be driven to move upwards by the baffle 8 until the support block 15 is separated from the inner cavity of the movable groove 6, and further limit of the fixed rod 14 is removed, the elastic force of the spring 13 is utilized to push the fixing rod 14 to move out of the inner cavity of the fixing cavity 12, the fixing of the mounting block 11 is further removed, the weight of the belleville pipe 1 and the water outlet pipe 2 is utilized to enable the belleville pipe 1 to sink, 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 pipe 1, the bottom end of the first pull rope 16 starts to be gradually straightened until the belleville pipe 1 is completely straightened, the belleville pipe 1 continues to sink, the weight of the belleville pipe 1 and the pulling force of the first pull rope 16 are utilized to pull the stop block 8 to move upwards, at the moment, the stress point is the stop block 8, the baffle 9 can be pulled upwards through the connecting rod 7 by utilizing the stop block 8 until the top end of the baffle 9 is contacted with the top end of the inner cavity of the belleville pipe 1, the top end of the baffle 9 can be enabled to be firmly attached to the top end of the inner cavity of the belleville pipe 1 by utilizing the weight of the belleville pipe 1, and then can avoid in the in-process of carrying and draw belleville pipe 1, the groundwater in upper strata water-bearing layer flows into in the inner chamber of belleville pipe 1 and mixes with the lower floor groundwater in the inner chamber of belleville pipe 1, and this device is provided with shielding mechanism, can avoid carrying and draw belleville pipe 1 in-process that rises, and upper strata groundwater flows into in the inner chamber of belleville pipe 1, and then can avoid the groundwater in different water-bearing layers to mix the detection result that causes inaccurate, facilitate the use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 level-fixing sampling device, comprising:
bei Leguan (1);
the water outlet pipe (2) is arranged at the bottom end of the Bei Leguan (1);
the spherical valve (3) is arranged in the middle of the inner cavity of the water outlet pipe (2);
the fixing frame (4), fixing frame (4) sets up in the top middle part of Bei Leguan (1), fixed slot (5) have all been seted up on the top left and right sides of fixing frame (4), the removal groove (6) that are linked together with fixed slot (5) inner chamber are all seted up along left and right directions on the top left and right sides of fixing frame (4), remove groove (6) are located the inboard of fixed slot (5), spout (18) have been seted up along left and right directions to the inner chamber bottom of removal groove (6);
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 Bei Leguan (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 at the left side and the right side of the bottom end of the stop block (8), and the bottom end of the supporting block (15) extends into the outer side of the inner cavity of the moving groove (6);
the baffle (9) is arranged at the bottom end of the connecting rod (7);
the floating body (10) is arranged at the bottom end of the baffle (9);
the two mounting blocks (11) are respectively connected to the inner cavities of the two fixing grooves (5) in an adapting mode, and European fixing cavities (12) are formed in the inner sides of the mounting blocks (11) 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 respectively arranged at the bottom of the outer wall of the first pull rope (16).
2. The groundwater level sampling device of claim 1, wherein: the inner cavity of the fixed cavity (12) is also provided with:
the spring (13) is embedded into the inner side of the inner cavity of the fixed cavity (12), and one end of the spring (13) is clamped into the inner side of the inner cavity of the fixed cavity (12);
the fixing rod (14), slidable grafting is in the inner chamber of fixed chamber (12) in the outer wall outside of fixing rod (14), the inner of fixing rod (14) extends into the inner chamber of removal groove (6), the inner of fixing rod (14) contacts with the outside of supporting shoe (15), the other end of spring (13) contacts with the outer end of fixing rod (14).
3. The groundwater level sampling device of claim 2, wherein: the bottom of dead lever (14) still is provided with:
the sliding blocks (19), the quantity of sliding blocks (19) is two, two sliding blocks (19) set up respectively in the bottom inboard of two dead levers (14), the bottom looks adaptation of sliding blocks (19) is pegged graft in the inner chamber of spout (18).
4. A groundwater level sampling device according to claim 3, wherein: the inner cavity of the sliding groove (18) is dovetail-shaped, and the sliding block (19) is inserted into the inner cavity of the sliding groove (18) in a matching way.
5. The groundwater level sampling device of claim 2, wherein: the distance from the inner end of the fixed rod (14) to the inner side of the inner cavity of the movable groove (6) is larger than the length of the fixed rod (14) extending into the inner cavity of the fixed cavity (12).
6. The groundwater level sampling device of claim 1, wherein: the two mounting blocks (11) are symmetrical left and right at the center point of Bei Leguan (1).
7. The groundwater level sampling device of claim 1, wherein: and sealing rubber rings are arranged at the top ends of the baffle plates (9) and the top ends of the inner cavities of the Beller tubes (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 CN114018642A (en) | 2022-02-08 |
| CN114018642B true CN114018642B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111310721.9A Active CN114018642B (en) | 2021-11-04 | 2021-11-04 | Groundwater fixed-horizon sampling device |
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| CN (1) | CN114018642B (en) |
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 |
|---|
| 地下水采样方法对分析结果影响的探讨;李海英;黄文琥;周黔兰;王德贤;陈琨;;广州化工(第20期);全文 * |
| 地下水采样方法比对研究;李文攀;朱擎;嵇晓燕;刘廷良;孙宗光;;中国环境监测(第04期);全文 * |
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| CN114018642A (en) | 2022-02-08 |
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