CN113324803A - Layered sampling device for underground water - Google Patents

Layered sampling device for underground water Download PDF

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Publication number
CN113324803A
CN113324803A CN202110605409.6A CN202110605409A CN113324803A CN 113324803 A CN113324803 A CN 113324803A CN 202110605409 A CN202110605409 A CN 202110605409A CN 113324803 A CN113324803 A CN 113324803A
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China
Prior art keywords
sampling
tube
fixing frame
inner tube
holes
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CN202110605409.6A
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Chinese (zh)
Inventor
阿慧娟
董高峰
罗银飞
秦光雄
雷玉德
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Qinghai Bureau Of Environmental Geology Exploration
QINGHAI 906 ENGINEERING SURVEY AND DESIGN INSTITUTE
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Qinghai Bureau Of Environmental Geology Exploration
QINGHAI 906 ENGINEERING SURVEY AND DESIGN INSTITUTE
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Priority to CN202110605409.6A priority Critical patent/CN113324803A/en
Publication of CN113324803A publication Critical patent/CN113324803A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/16Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning

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  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a groundwater stratified sampling device, which comprises a sampling cylinder with a fixed mount, a sampling inner pipe and a sampling outer pipe, wherein the sampling cylinder is in threaded connection with the sampling outer pipe; a plurality of partition plates are arranged in the sampling inner tube, the partition plates divide the interior of the sampling inner tube into a plurality of sampling cavities, a sampling air bag is arranged in each sampling cavity, an air tube is arranged in the sampling inner tube, each sampling air bag is respectively communicated with an air pump arranged on the fixing frame through the air tube, a plurality of sampling inner holes are arranged on the sampling inner tube, and at least one sampling inner hole is arranged on the side wall of each sampling cavity; a plurality of sample introduction outer holes are formed in the sampling outer tube, and the sample introduction outer holes in the sampling outer tube correspond to the sample introduction inner holes in the sampling inner tube in position one by one; a plurality of filtering windows are arranged on the sampling cylinder, and each filtering window corresponds to the position of the sampling outer hole; the bottom of the sampling outer tube is provided with a balancing weight. Different aquifer water samples can be collected from a single sampling well, the sampler is suitable for a single-structure diving layer and a multi-layer-structure confined water layer, and the floor area and the construction cost of drilling can be effectively saved.

Description

Layered sampling device for underground water
Technical Field
The invention relates to the technical field of sampling devices, in particular to a groundwater layered sampling device.
Background
The groundwater sampling technology is the core of groundwater monitoring, but because a stratum structure has a relative impervious layer, groundwater is layered with the stratum, and indexes and composition components of water in each layer are different, so layered sampling and mixing avoidance are needed to avoid mutual interference, and result analysis is not true.
At present, methods for realizing sampling of different layers include: (1) multi-well monitoring sampling, namely drilling a plurality of well bores with different depths in a field to realize monitoring sampling of different layers; (2) the multi-hole monitoring sampling of a well, namely, sampling pipes with different depths are arranged in a well hole to a selected monitoring sampling layer, so that a plurality of monitoring wells are completed in a drilling hole, and the aims of layered sampling and monitoring are fulfilled. In the two methods, the number of the required drilled holes is large, so that the construction cost and the maintenance cost are high; although the latter can reduce the number of drilled holes and save the cost, the sealing and water stopping of a plurality of sampling pipes are difficult, and different layers can influence each other, so that the monitoring data is distorted.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention mainly aims to provide a groundwater layered sampling device suitable for sampling various types of groundwater.
In order to achieve the purpose, the invention adopts the following technical scheme that the underground water layered sampling device comprises a sampling cylinder with a fixed frame, a sampling inner pipe arranged in the sampling cylinder and a sampling outer pipe arranged between the sampling cylinder and the sampling inner pipe, wherein the upper end of the sampling inner pipe is movably connected with the fixed frame through a suspender, the sampling outer pipe is connected with the fixed frame through lifting ropes symmetrically arranged at two ends of the top of the sampling outer pipe, and the sampling cylinder is in threaded connection with the sampling outer pipe;
a plurality of partition plates are arranged in the sampling inner tube, the partition plates divide the interior of the sampling inner tube into a plurality of sampling cavities, each sampling cavity is internally provided with a sampling air bag, an air tube is arranged in the sampling inner tube, each sampling air bag is respectively communicated with an air pump arranged on the fixing frame through the air tube, the sampling inner tube is provided with a plurality of sample introduction inner holes, and the side wall of each sampling cavity is provided with at least one sample introduction inner hole;
the sampling outer tube is provided with a plurality of sampling outer holes, and the sampling outer holes on the sampling outer tube correspond to the sampling inner holes on the sampling inner tube in position one to one;
a plurality of filtering windows are arranged on the sampling cylinder, and each filtering window corresponds to the position of the sample injection outer hole;
and a balancing weight is arranged at the bottom of the sampling outer tube.
Furthermore, a center hole is formed in the center of the fixing frame, the upper end of the suspender penetrates through the center hole, and the lower end of the suspender is movably connected with the top of the top cap at the upper end of the sampling inner tube through a bearing.
Further, the mount bottom is located the centre bore bilateral symmetry and is equipped with the gyro wheel, the gyro wheel passes through connecting axle and mount swing joint, lifting rope one end and gyro wheel fixed connection, the rings that the other end and sample outer tube upper end symmetry were equipped with can be dismantled and be connected.
Furthermore, the upper end pipe wall of the sampling outer pipe is symmetrically provided with fixing holes, the outer side of the upper end pipe wall of the sampling inner pipe is provided with a groove, a top cap is arranged in the groove, and the top cap is connected with the bottom of the groove through a spring.
Furthermore, the connecting shaft is fixedly connected with the bottom of the fixing frame, the idler wheel is rotatably connected with the connecting shaft, and the idler wheel is fixedly connected with a motor shaft of a positive and negative motor arranged at the bottom of the fixing frame.
Further, the bottom of the outer sampling tube is symmetrically hinged with a semi-cone, the bottom of the balancing weight is in contact with the inner side of the semi-cone, and an expansion rubber layer is arranged at the closed position of the two semi-cones.
Furthermore, the two ends of the fixing frame are symmetrically provided with support rods, the support rods are rotatably connected with the fixing frame, the lower ends of the support rods are provided with threads, and the bottoms of the support rods are tapered.
Compared with the prior art, the invention has the beneficial effects that:
1) the sampling assembly is detachable and convenient to store and carry, and the sampling device is assembled when operation is needed and then the sampling device is used for sampling the water layer below the sampling device.
2) The air bag is arranged in the sampling cavity in the sampling inner tube, the expansion and the contraction of the air bag are controlled by the air pump to control the sampling of the sampling device in the water layer below the sampling device, the air is not in direct contact with the water in the water layer below the sampling device, the pollution to the water sample is reduced, the sampling speed can be controlled, the fluctuation interference to the water layer is small, the sampling requirements of detection samples such as inorganic components, organic components, microorganisms, dissolved oxygen and the like can be met, and the underground water sample with each layer of representativeness can be completely and efficiently obtained.
3) The invention can collect water samples of different aquifers and water samples of different depths in the same water layer from a single sampling well, is suitable for a single-structure diving layer and a multi-layer-structure confined water layer, and can effectively save the floor area of drilling holes and the construction cost.
Drawings
FIG. 1 is a schematic view of the assembled cross-sectional structure of the present invention when no sample is taken;
FIG. 2 is an enlarged schematic view of the cross-sectional structure of the inner sampling tube 3 and the outer sampling tube 2;
FIG. 3 is a schematic view of a partially enlarged structure of a sampling hole in the present invention;
1. the sampling device comprises a sampling cylinder, 2. a sampling outer tube, 2. the sampling outer tube, 201. a lifting ring, 202. a fixing hole, 3. a sampling inner tube, 301. a groove, 302. a spring, 303. a top cap, 4. a separation plate, 6. a sample inlet inner hole, 7. a fixing frame, 701. a central hole, 8. a suspender, 9. a lifting rope, 10. a sample inlet outer hole, 12. an air bag, 13. an air tube, 14. an air pump, 15. a roller, 16. a balancing weight, 17. a half cone, 18. an expansion rubber layer, and 19. a positive and negative motor.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Example (b):
referring to fig. 1, the layered groundwater sampling device comprises a sampling tube 1 with a fixing frame 7, a sampling inner tube 3 arranged in the sampling tube 1, and a sampling outer tube 2 arranged between the sampling tube 1 and the sampling inner tube 3, wherein the upper end of the sampling inner tube 3 is movably connected with the fixing frame 7 through a suspender 8, the sampling outer tube 2 is connected with the fixing frame 7 through lifting ropes 9 symmetrically arranged at two ends of the top of the sampling outer tube 2, and the sampling tube 1 is in threaded connection with the sampling outer tube 2;
a plurality of partition plates 4 are arranged in the sampling inner tube 3, the partition plates 4 divide the interior of the sampling inner tube 3 into a plurality of sampling cavities 5, a sampling air bag 12 is arranged in each sampling inner cavity 5, an air tube 13 is arranged in the sampling inner tube 3, each sampling air bag 12 is respectively communicated with an air pump 14 arranged on a fixed frame 7 through the air tube 13, a plurality of sample introduction inner holes 6 are arranged on the sampling inner tube 3, and at least one sample introduction inner hole 6 is arranged on the side wall of each sampling cavity 5;
a plurality of sample introduction outer holes 10 are formed in the sampling outer tube 2, and the sample introduction outer holes 10 in the sampling outer tube 2 correspond to the sample introduction inner holes 6 in the sampling inner tube 3 in position one by one;
a plurality of filter windows 11 are arranged on the sampling tube 1, and each filter window 11 corresponds to the position of the sample inlet external hole 10;
and a balancing weight 16 is arranged at the bottom of the sampling outer tube 2.
When underground water needs to be sampled, firstly, the whole sampling device is assembled, a sampling inner tube 3 is clamped into a sampling outer tube 2, then the sampling outer tube 2 is sleeved into a sampling cylinder 1, then a lifting rope 9 is used for fixing the sampling tube and a fixing frame 7, air pumps 14 are respectively started, the air pumps 14 are communicated with a sampling cavity 5 in the sampling inner tube 3 through air tubes 13, air bags 12 are arranged in the sampling cavity, when the sampling is not performed, the air bags 12 are in a state of being inflated and filled with gas, water inlet holes in the sampling tube are blocked, after the sampling device is assembled, the whole sampling device upper fixing frame 7 is fixed on the ground surface at a wellhead where the sampling well needs to be sampled, the lifting rope 9 wound on the fixing frame 7 is started to be below, a sampling component is under the gravity action of a distribution block 16, the distance between the sampling inner tube 3 and the fixing frame 7 is gradually increased, and the sampling component enters the sampling well, after the water layer is sampled until the water layer is needed, standing is carried out for 5-10 minutes, the sampling depth can be controlled according to the downward moving position of the suspender 8, then according to actual sampling requirements, gas in the air bag 12 is discharged through the air pipe 13 by using the air pump 14 when the sampling is needed, water in the water layer sequentially passes through the filtering window 11 on the sampling cylinder 1 under the water pressure, the sampling outer hole 10 and the sampling inner hole 6 enter the sampling cavity 5, water samples with different depths can be guaranteed to be taken from the water layer by the arrangement of the sampling holes at different heights on the sampling assembly, after the sampling is completed, the positive and negative motor is driven to turn over, the roller 15 is driven to turn over, the lifting rope 9 is wound on the roller 15, and the lifting rope 9 drives the sampling assembly to move upwards.
Further, in this embodiment, in order to ensure that the sampling device does not deviate in the descending process, a central hole 701 is provided at the center of the fixing frame 7, the upper end of the suspension rod 8 passes through the central hole 701, and the lower end of the suspension rod 8 is movably connected with the top of the top cap 301 at the upper end of the sampling inner tube 3 through a bearing. The boom 8 acts as a guide and also determines the depth of descent of the sampling device, acting as a scale, based on the depth of descent of the boom 8.
Further, in this embodiment, the bottom of the fixing frame 7 is located the center hole 701 and is symmetrically provided with the rollers 15 at two sides, the rollers 15 are fixedly connected with the motor shaft of the positive and negative motor arranged at the bottom of the fixing frame 7, one end of the lifting rope 9 is fixedly connected with the rollers 15, and the other end of the lifting rope is detachably connected with the lifting ring 201 symmetrically arranged at the upper end of the sampling outer tube 2.
Start the positive and negative motor that mount 7 bottoms were equipped with when beginning, make positive and negative motor corotation, cylinder 15 of fixed connection on positive and negative motor is along with the rotation of positive and negative motor, begin the release winding lifting rope 9 on gyro wheel 15, other end fixed connection is on sample outer tube 2, lifting rope 9 becomes long along with the device descends, accomplish the sample back of below water layer, drive positive and negative motor reverses, gyro wheel 15 reverses twines lifting rope 9 on gyro wheel 15 again, lifting rope 9 shortens, lifting rope 9 lower extreme shifts up, the sampling device who accomplishes the sample in the area shifts up.
Further, referring to fig. 2, the sampling inner tube 3 needs to be replaced periodically, and the sampling number also needs to be changed according to different sampling requirements, the tube wall of the upper end of the sampling outer tube 2 is symmetrically provided with fixing holes 202, the outer side of the tube wall of the upper end of the sampling inner tube 3 is provided with a groove 301, a top cap 303 is arranged in the groove 301, and the top cap 303 is connected with the bottom of the groove 301 through a spring 302.
Further, the bottom of the outer sampling tube 2 is symmetrically hinged with a semi-cone 17, the bottom of the balancing weight 16 is in contact with the inner side of the semi-cone 17, and an expansion rubber layer 18 is arranged at the closed position of the two semi-cones 17. If the water that needs the sample need not carry out simple filtration when, give 8 a downward forces on the jib, sample outer tube 2 receives the downward force and moves down, and sample outer tube 2 bottom is connected balancing weight 16 and is pushed open and articulate half cone 17 in the articulated bottom of sampler barrel 1 for sample outer tube 2 with sample inner tube 3 exposes in the water layer, then is taking a sample.
Further, the bracing piece is equipped with in the symmetry at mount 7 both ends, the bracing piece rotates with mount 7 to be connected, the bracing piece lower extreme is equipped with the screw thread and the bottom is the taper, and the user fixes whole sampling device on the earth's surface at the bottom.
The operating principle of the underground water stratified sampling device is as follows:
when underground water needs to be sampled, firstly, the whole sampling device is assembled, a sampling inner tube 3 is clamped into a sampling outer tube 2, then the sampling outer tube 2 is sleeved into a sampling barrel 1, then a lifting rope 9 is used for fixing the sampling tube and a fixing frame 7, air pumps 14 are respectively started, the air pumps 14 are communicated with an air bag 12 arranged in a sampling cavity 5 of the sampling inner tube 3 through air tubes 13, when the sampling is not performed, the air bag 12 is in a state of being inflated and filled with gas, water inlet holes in the sampling tube are blocked, after the sampling device is assembled, the fixing frame 7 on the whole sampling device is fixed on the ground surface of a wellhead needing to sample and a sampling well, a positive and negative motor arranged at the bottom of the fixing frame 7 is started to rotate forwards, a roller 15 is fixedly connected to a motor shaft of the positive and negative motor, one end of the lifting rope 9 is fixedly connected to the roller 15, and the other end of the lifting ring 201 arranged on the sampling outer tube 2, the suspender 8 is rotatably connected with the top cover of the sampling inner tube 3, the suspender 8 which is slidably connected with the center of the fixing frame 7 plays a role in guiding to ensure that the sampling device cannot deviate in the descending process, the suspender 8 moves downwards, the distance between the sampling inner tube 3 and the fixing frame 7 is gradually increased, the sampling assembly enters the sampling well until a water layer is required to be sampled, the sampling assembly stands for 5 to 10 minutes, the sampling depth can be controlled according to the downward movement position of the suspender 8, then the gas in the air bag 12 is discharged through the air pipe 13 when the sampling is required according to the actual sampling requirement, the water in the water layer sequentially passes through the filtering window 11 on the sampling tube 1, the sampling outer hole 10 and the sampling inner hole 6 to enter the sampling cavity 5 under the water pressure, the arrangement of the sampling holes on the sampling assembly without tube height can ensure that water samples with different depths can be obtained in the water layer, the sampling is multiple in one-time, and the sampling is finished, the positive and negative motor of drive overturns, drives gyro wheel 15 upset, twines lifting rope 9 on gyro wheel 15, and lifting rope 9 drives the sampling subassembly and shifts up.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely illustrative of the present invention, and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims (8)

1. The underground water stratified sampling device is characterized by comprising a sampling barrel (1) with a fixing frame (7), a sampling inner tube (3) arranged in the sampling barrel (1) and a sampling outer tube (2) arranged between the sampling barrel (1) and the sampling inner tube (3), wherein the upper end of the sampling inner tube (3) is movably connected with the fixing frame (7) through a suspender (8), the sampling outer tube (2) is connected with the fixing frame (7) through lifting ropes (9) symmetrically arranged at two ends of the top of the sampling outer tube (2), and the sampling barrel (1) is in threaded connection with the sampling outer tube (2);
a plurality of partition plates (4) are arranged in the sampling inner tube (3), the interior of the sampling inner tube (3) is divided into a plurality of sampling cavities (5) by the partition plates (4), a sampling air bag (12) is arranged in each sampling inner cavity (5), an air tube (13) is arranged in the sampling inner tube (3), each sampling air bag (12) is respectively communicated with an air pump (14) arranged on the fixing frame (7) through the air tube (13), a plurality of sample introduction inner holes (6) are arranged on the sampling inner tube (3), and at least one sample introduction inner hole (6) is arranged on the side wall of each sampling cavity (5);
a plurality of sample introduction outer holes (10) are formed in the sampling outer tube (2), and the sample introduction outer holes (10) in the sampling outer tube (2) correspond to the sample introduction inner holes (6) in the sampling inner tube (3) in position one by one;
a plurality of filtering windows (11) are arranged on the sampling tube (1), and each filtering window (11) corresponds to the position of the sampling outer hole (10);
and a balancing weight (16) is arranged at the bottom of the sampling outer tube (2).
2. The groundwater stratification sampling device according to claim 1, wherein a central hole (701) is formed in the upper center of the fixing frame (7), the upper end of the suspension rod (8) penetrates through the central hole (701), and the lower end of the suspension rod (8) is movably connected with the top of the top cover (304) at the upper end of the sampling inner pipe (3) through a bearing.
3. The groundwater stratified sampling device according to claim 1, wherein rollers (15) are symmetrically arranged on two sides of the center hole (701) at the bottom of the fixing frame (7), the rollers (15) are fixedly connected with motor shafts of a positive and negative motor arranged at the bottom of the fixing frame (7), one end of the lifting rope (9) is fixedly connected with the rollers (15), and the other end of the lifting rope is detachably connected with lifting rings (201) symmetrically arranged at the upper end of the sampling outer pipe (2).
4. The underground water stratified sampling device according to claim 1, wherein the upper end pipe wall of the sampling outer pipe (2) is symmetrically provided with fixing holes (202), the outer side of the upper end pipe wall of the sampling inner pipe (3) is provided with a groove (301), a top cap (303) is arranged in the groove (301), and the top cap (303) is connected with the bottom of the groove (301) through a spring (302).
5. The groundwater stratification sampling device according to claim 1, wherein the connecting shaft is fixedly connected with the bottom of the fixing frame (7), the roller (15) is rotatably connected with the connecting shaft, and the roller (15) is fixedly connected with a motor shaft of a forward and reverse motor (19) arranged at the bottom of the fixing frame (7).
6. The device for sampling the underground water stratification according to claim 1, wherein the bottom of the outer sampling pipe (2) is symmetrically hinged with a semi-cone (17), the bottom of the counterweight (16) is in contact with the inner side of the semi-cone (17), and an expansion rubber layer (18) is arranged at the closed part of the two semi-cones (17).
7. The groundwater stratified sampling device according to claim 1, wherein the fixing frame (7) is symmetrically provided with support rods at two ends, the support rods are rotatably connected with the fixing frame (7), the lower ends of the support rods are provided with threads, and the bottoms of the support rods are tapered.
8. The groundwater stratification sampling device according to claim 1, wherein each of the air tubes (13) is fixed to a wall of the sampling inner tube (3).
CN202110605409.6A 2021-05-31 2021-05-31 Layered sampling device for underground water Pending CN113324803A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114397412A (en) * 2021-12-30 2022-04-26 昌邑天宇药业有限公司 Medicine intermediate each hierarchy detecting system
CN114486380A (en) * 2022-02-09 2022-05-13 四川省郫县豆瓣股份有限公司 Thick broad-bean sauce fermentation cylinder is with high efficiency sampling equipment
CN114527251A (en) * 2022-01-21 2022-05-24 广东省有色矿山地质灾害防治中心 Automatic multi-parameter groundwater environment layering monitoring well suitable for contaminated site
CN114544224A (en) * 2022-01-14 2022-05-27 重庆市生态环境科学研究院 Soil sampling and soil gas sampling integrated device
CN114577537A (en) * 2022-05-05 2022-06-03 山东省地矿工程集团有限公司 A stratified sampling device for groundwater water quality monitoring
CN116735826A (en) * 2023-08-15 2023-09-12 河北省地质环境监测院 Groundwater detection device
CN117491086A (en) * 2023-10-27 2024-02-02 中国电建集团西北勘测设计研究院有限公司 Groundwater sampling device and sampling method for water environment treatment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205841A (en) * 1985-03-11 1986-09-12 Sumitomo Metal Ind Ltd Method for sampling material in open-air storage mound
CN202853944U (en) * 2012-08-17 2013-04-03 中国水电顾问集团中南勘测设计研究院 High-level water quality stratified sampler
CN106353141A (en) * 2016-09-19 2017-01-25 中国地质调查局武汉地质调查中心 Underground water depth-fixing layered sampling device and method suitable for well-free areas
CN107290174A (en) * 2017-08-04 2017-10-24 山东科技大学 New water sample bed mud combined sampling device and its method for sampling
CN108956209A (en) * 2018-07-17 2018-12-07 张锦霞 A kind of groundwater quality detection sampler and its application method
CN209247432U (en) * 2018-12-22 2019-08-13 南京万全检测技术有限公司 A kind of water quality detection deep water sampling device
CN110220742A (en) * 2019-06-28 2019-09-10 苏州中车建设工程有限公司 Outdoor depth-setting rapid water taking method
CN112414767A (en) * 2020-11-14 2021-02-26 广东省有色矿山地质灾害防治中心 Sampling system for investigation of polluted site groundwater environment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205841A (en) * 1985-03-11 1986-09-12 Sumitomo Metal Ind Ltd Method for sampling material in open-air storage mound
CN202853944U (en) * 2012-08-17 2013-04-03 中国水电顾问集团中南勘测设计研究院 High-level water quality stratified sampler
CN106353141A (en) * 2016-09-19 2017-01-25 中国地质调查局武汉地质调查中心 Underground water depth-fixing layered sampling device and method suitable for well-free areas
CN107290174A (en) * 2017-08-04 2017-10-24 山东科技大学 New water sample bed mud combined sampling device and its method for sampling
CN108956209A (en) * 2018-07-17 2018-12-07 张锦霞 A kind of groundwater quality detection sampler and its application method
CN209247432U (en) * 2018-12-22 2019-08-13 南京万全检测技术有限公司 A kind of water quality detection deep water sampling device
CN110220742A (en) * 2019-06-28 2019-09-10 苏州中车建设工程有限公司 Outdoor depth-setting rapid water taking method
CN112414767A (en) * 2020-11-14 2021-02-26 广东省有色矿山地质灾害防治中心 Sampling system for investigation of polluted site groundwater environment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114397412A (en) * 2021-12-30 2022-04-26 昌邑天宇药业有限公司 Medicine intermediate each hierarchy detecting system
CN114544224A (en) * 2022-01-14 2022-05-27 重庆市生态环境科学研究院 Soil sampling and soil gas sampling integrated device
CN114544224B (en) * 2022-01-14 2024-06-04 重庆市生态环境科学研究院 Soil sampling and soil gas sampling integrated device
CN114527251A (en) * 2022-01-21 2022-05-24 广东省有色矿山地质灾害防治中心 Automatic multi-parameter groundwater environment layering monitoring well suitable for contaminated site
CN114486380A (en) * 2022-02-09 2022-05-13 四川省郫县豆瓣股份有限公司 Thick broad-bean sauce fermentation cylinder is with high efficiency sampling equipment
CN114577537A (en) * 2022-05-05 2022-06-03 山东省地矿工程集团有限公司 A stratified sampling device for groundwater water quality monitoring
CN116735826A (en) * 2023-08-15 2023-09-12 河北省地质环境监测院 Groundwater detection device
CN116735826B (en) * 2023-08-15 2023-11-03 河北省地质环境监测院 Groundwater detection device
CN117491086A (en) * 2023-10-27 2024-02-02 中国电建集团西北勘测设计研究院有限公司 Groundwater sampling device and sampling method for water environment treatment

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