CN113588332A - Hydrogeology water quality sampling device and use method thereof - Google Patents
Hydrogeology water quality sampling device and use method thereof Download PDFInfo
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- CN113588332A CN113588332A CN202110913009.1A CN202110913009A CN113588332A CN 113588332 A CN113588332 A CN 113588332A CN 202110913009 A CN202110913009 A CN 202110913009A CN 113588332 A CN113588332 A CN 113588332A
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- 238000005070 sampling Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims description 10
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000003673 groundwater Substances 0.000 description 8
- 239000003643 water by type Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of water quality sampling equipment, and particularly relates to a hydrogeological water quality sampling device which comprises a main body, wherein a sampling pipe is arranged on one side of the main body, a filter cylinder for preventing impurities from entering is arranged on the outer side of the lower end of the sampling pipe, and a solar panel for long-term use of the main body is arranged at the rear end of the main body. After the jacket is pulled outwards and slides upwards to a preset position, the spring drives the jacket to automatically reset and clamp the jacket to be connected with the inner part of the ring block of the sampling tube close to the lower end position, so that the filter cylinder is fixed on the outer side of the drawing port of the sampling tube, and impurities in water are isolated to prevent the influence on the detection result; the rotating seat is contacted and fixed by screwing the elastic bolt upwards, the elastic bolt is screwed downwards after the rotating seat adjusts the position of the storage cylinder, the storage cylinder is fixed by the rubber pad arranged at the lower end of the elastic bolt so as to be convenient for classified storage of water quality, and the storage cylinder can be conveniently assembled and disassembled by the elasticity of the elastic clamp, so that the storage cylinder is simple to operate and use.
Description
Technical Field
The invention belongs to the technical field of water quality sampling equipment, and particularly relates to a hydrogeology water quality sampling device and a using method thereof.
Background
Hydrogeology, geology branch subject, the phenomenon that refers to the various changes and movements of groundwater in nature, hydrogeology is the science of research groundwater, it is mainly the distribution and the formation law of research groundwater, the physical properties and the chemical composition of groundwater, groundwater resources and its rational utilization, the adverse effect and the prevention and cure etc. of groundwater to engineering construction and mining, in order to know groundwater change and the motion condition better, need use sampling device to sample groundwater, then carry the laboratory back and study, obtain the result, a hydrogeology quality of water sampling device is used commonly.
Because the water contains more impurity in the time of carrying out the quality of water sample among the original technique, testing result contains great error when leading to the sample, and when taking a sample in different waters, is not convenient for adjust the storage cylinder, and the operation process is more complicated to and can't work for a long time in the open air, can't deal with the great waters of work load, and can't accurate record quality of water sample's the degree of depth when taking a sample, and the measuring result contains the deviation.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a hydrogeological water quality sampling device and a using method thereof, and the hydrogeological water quality sampling device has the characteristics of effectively preventing impurities in water from mixing into a sampling storage cylinder, conveniently replacing the storage cylinder for classified storage, working outdoors for a long time, being convenient to carry and controlling the depth of water quality sampling.
In order to achieve the purpose, the invention provides the following technical scheme: a hydrogeological water quality sampling device comprises a main body, wherein a sampling tube is arranged on one side of the main body, a filter cartridge for preventing impurities from entering is arranged on the outer side of the lower end of the sampling tube, a solar panel for the main body to use for a long time is arranged at the rear end of the main body, a rotating seat for quickly adjusting the position of a storage cylinder is arranged in the main body, a hydraulic cylinder is fixedly connected to the upper end of the main body, a lower end of the filter cartridge is fixedly connected with a balancing weight for driving the sampling tube to sink, a fixed seat is fixedly connected to the front end of the hydraulic cylinder, a motor for controlling the sampling depth is arranged at the upper end of the fixed seat, a wire coiling wheel is arranged at the front end of the motor, a steel wire rope for connecting the filter cartridge with the wire coiling wheel is arranged in the wire coiling wheel, a slide rail for driving the solar panel to move is slidably connected to one side of the main body, one side fixedly connected with of main part is used for the fixed block of slide rail fixed.
According to the preferable technical scheme of the hydrogeological water quality sampling device, the position, close to the lower end, of the sampling tube is fixedly connected with a ring block used for fixing the filter cylinder, and a jacket used for driving the filter cylinder to be quickly assembled and disassembled is connected to the inside of the ring block in a clamping mode.
According to the preferable technical scheme of the hydrogeological water quality sampling device, the outer side of the upper end of the filter cylinder is fixedly connected with the fixing plates for fixing the jacket, and the fixing plates are symmetrically arranged at the two ends of the filter cylinder.
According to the preferable technical scheme of the hydrogeological water quality sampling device, the inner side of the fixing plate is provided with a support rod for connecting the jacket with the fixing plate, and the rear end of the support rod is fixedly connected with a spring for driving the jacket to automatically reset.
According to the preferable technical scheme of the hydrogeological water quality sampling device, one side of the solar panel is rotatably connected with a connecting plate used for containing and unfolding the solar panel, and two ends of the connecting plate are provided with rotating shafts used for rotating the solar panel in a penetrating mode.
According to the preferable technical scheme of the hydrogeological water quality sampling device, the upper end of the rotating seat is provided with the elastic clamp used for automatically fixing the storage cylinder, and the middle position of the rotating seat is provided with the rotating shaft used for rotating the rotating seat in a penetrating mode.
As a preferable technical scheme of the hydrogeological water quality sampling device, four loose bolts used for fixing the rotating seat are uniformly distributed at the position, close to the outer side, of the upper end of the rotating seat.
The invention also provides a using method of the hydrogeological water quality sampling device, which comprises the following steps:
s1, pulling the jacket arranged on one side of the fixing plate at the upper end of the filter cartridge outwards and sliding upwards to a preset position, driving the jacket to automatically reset by a spring arranged in the fixing plate and connected with the jacket through a support rod, and enabling the jacket to be clamped and connected in a ring block at the position close to the lower end of the sampling tube, so that the filter cartridge is fixed outside a drawing port at the lower end of the sampling tube;
s2, after the turnbuckle arranged at the position of the rotary seat close to the outer side is screwed upwards to enable the rotary seat to be contacted and fixed, the rotary seat is rotated to enable the rotary seat to rotate by taking the rotary shaft as an axis to adjust the storage cylinder to reach a target position, and the turnbuckle is screwed downwards to drive the rubber pad at the lower end of the turnbuckle to be tightly attached to the bottom surface of the inner part of the main body, so that the turnbuckle is fixed to be convenient for classified storage of water quality;
s3, the wire wheel of the motor driving disc arranged at the upper end of the front end fixing seat of the hydraulic cylinder rotates to drive the filter cylinder to move by the steel wire rope, and the depth of the water quality during sampling is controlled.
Compared with the prior art, the invention has the beneficial effects that: after the jacket is pulled outwards and slides upwards to a preset position, the spring drives the jacket to automatically reset and clamp the jacket to be connected with the inner part of the ring block of the sampling tube close to the lower end position, so that the filter cylinder is fixed on the outer side of the drawing port of the sampling tube, and impurities in water are isolated to prevent the influence on the detection result; the elastic clamp is arranged at the lower end of the elastic clamp, and the rotating seat is connected with the elastic clamp through a rotating shaft; the solar panel is moved out by pulling the sliding rail forwards, the upper end part of the solar panel is further rotated to adjust the connecting plate to be in a transverse state, so that the main body can be conveniently powered to carry out sampling work for a long time, and the solar panel can be rotatably accommodated through the connecting plate, so that the solar panel is convenient to carry to outdoor use, and the practicability is improved; the wire wheel is driven by the motor to rotate so that the steel wire rope drives the filter cylinder to move, and the depth of water quality sampling is controlled to improve the data detection precision.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic view of a portion of the filter cartridge of the present invention;
FIG. 3 shows a jacket and ring block according to the present invention; a schematic view of a connecting part structure;
FIG. 4 is an enlarged partial view of part A of the present invention;
FIG. 5 is a schematic view of a portion of the rotary base according to the present invention;
in the figure: 1. a main body; 2. a sampling tube; 3. a filter cartridge; 4. a solar panel; 5. a rotating seat; 6. a hydraulic cylinder; 7. a balancing weight; 8. a fixed seat; 9. a motor; 10. a wire winding wheel; 11. a wire rope; 12. a slide rail; 13. a fixed block; 14. a ring block; 15. a jacket; 16. a fixing plate; 17. a strut; 18. a spring; 19. a connecting plate; 20. a rotating shaft; 21. an elastic clip; 22. tightening and loosening the bolts; 23. and rotating the shaft.
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.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: a hydrogeological water quality sampling device comprises a main body 1, a sampling tube 2 is arranged on one side of the main body 1, a filter cartridge 3 for preventing impurities from entering is arranged on the outer side of the lower end of the sampling tube 2, a solar panel 4 for long-term use of the main body 1 is arranged at the rear end of the main body 1, a rotating seat 5 for quickly adjusting the position of a storage cylinder is arranged in the main body 1, a hydraulic cylinder 6 is fixedly connected to the upper end of the main body 1, a counter weight 7 for driving the sampling tube 2 to sink is fixedly connected to the lower end of the filter cartridge 3, a fixed seat 8 is fixedly connected to the front end of the hydraulic cylinder 6, a motor 9 for controlling the sampling depth is arranged at the upper end of the fixed seat 8, a wire coiling wheel 10 is arranged at the front end of the motor 9, a steel wire rope 11 for connecting the filter cartridge 3 with the wire coiling wheel 10 is arranged in the wire coiling wheel 10, a slide rail 12 for driving the solar panel 4 to move is slidably connected to one side of the main body 1, one side fixedly connected with of main part 1 is used for the fixed block 13 of slide rail 12 fixed, and main part 1 one side is seted up the location screw and is used for fixing slide rail 12 in this embodiment.
Specifically, a ring block 14 for fixing the filter cartridge 3 is fixedly connected to a position of the sampling tube 2 near the lower end, a jacket 15 for driving the filter cartridge 3 to be quickly assembled and disassembled is connected to the inside of the ring block 14 in a clamping manner, and the jacket 15 is made of rubber material in this embodiment and is used for increasing friction and improving stability.
Specifically, the fixing plates 16 for fixing the jacket 15 are fixedly connected to the outer side of the upper end of the filter cartridge 3, the fixing plates 16 are symmetrically disposed at both ends of the filter cartridge 3, and in this embodiment, the fixing plates 16 are symmetrically disposed at both sides of the filter cartridge 3 for increasing stability.
Specifically, a supporting rod 17 for connecting the clamping sleeve 15 with the fixing plate 16 is arranged on the inner side of the fixing plate 16, a spring 18 for driving the clamping sleeve 15 to automatically return is fixedly connected to the rear end of the supporting rod 17, and the spring 18 is used for driving the clamping sleeve 15 to automatically clamp and connect the clamping sleeve 15 in the ring block 14 in the embodiment.
Specifically, one side of the solar panel 4 is rotatably connected with a connecting plate 19 for storing and unfolding the solar panel 4, two ends of the connecting plate 19 are provided with a rotating shaft 20 for rotating the solar panel 4, and the rotating shaft 20 is used for rotating and unfolding and storing the solar panel 4 in the embodiment.
Specifically, the upper end of the rotating base 5 is provided with an elastic clamp 21 for automatically fixing the storage cylinder, a rotating shaft 23 for rotating the rotating base 5 is arranged at the middle position of the rotating base 5 in a penetrating manner, and the lower end of the rotating shaft 23 is rotatably connected inside the main body 1 in the embodiment.
Specifically, the upper end of the rotating seat 5 is provided with four elastic bolts 22 for fixing the rotating seat 5 at positions close to the outer side, and the lower end of the elastic bolt 22 in the embodiment is of a rubber pad structure.
The working principle and the using process of the invention are as follows: after the clamping sleeve 15 arranged on one side of the fixing plate 16 at the upper end of the filter cartridge 3 is pulled outwards and slides upwards to a preset position, the spring 18 which is arranged in the fixing plate 16 and connected with the clamping sleeve 15 through the support rod 17 drives the clamping sleeve 15 to automatically reset, so that the clamping sleeve 15 is clamped and connected in the ring block 14 of the sampling tube 2 close to the lower end position, the filter cartridge 3 is fixed outside the suction port at the lower end of the sampling tube 2, and impurities in water are isolated to prevent the influence on the detection result; after the turnbuckle 22 arranged at the position of the rotary seat 5 close to the outer side is screwed upwards to enable the rotary seat 5 to be contacted and fixed, the rotary seat 5 is rotated to enable the rotary seat 5 to rotate by taking the rotary shaft 23 as an axis to adjust the position of the storage cylinder, the turnbuckle 22 is screwed downwards to drive the rubber pad at the lower end of the turnbuckle 22 to be tightly attached to the bottom surface of the inner part of the main body 1, so that the storage cylinder is fixed to be convenient for classified storage of water quality, and the storage cylinder can be conveniently assembled, disassembled, operated and used simply through the elasticity of the elastic clamp 21 arranged at the upper end of the rotary seat 5; the solar panel 4 is moved out by pulling the slide rail 12 arranged in the fixed block 13 at one side of the main body 1 forwards, the upper end part of the solar panel 4 is further rotated to adjust the connecting plate 19 to be in a transverse state, so that the main body 1 can be conveniently powered to carry out sampling work for a long time, and the solar panel 4 can be rotatably accommodated through the connecting plate 19, so that the solar panel is convenient to carry to outdoor use, and the practicability is improved; the wire coiling wheel 10 is driven to rotate by the motor 9 arranged at the upper end of the front end fixing seat 8 of the hydraulic cylinder 6, so that the steel wire rope 11 drives the filter cylinder 3 to move, the depth of water quality sampling is controlled, and the data detection precision is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydrogeology quality of water sampling device which characterized in that: including main part (1), one side of main part (1) is provided with sampling tube (2), the lower extreme outside of sampling tube (2) is provided with and is used for preventing a section of thick bamboo (3) that strain that impurity got into, the rear end of main part (1) is provided with and is used for supplying solar panel (4) that main part (1) used for a long time, the inside of main part (1) is provided with rotation seat (5) that are used for quick adjustment storage cylinder position, the upper end fixedly connected with pneumatic cylinder (6) of main part (1), the lower extreme fixedly connected with who strains a section of thick bamboo (3) is used for driving sampling tube (2) counter weight (7) that sink, the front end fixedly connected with fixing base (8) of pneumatic cylinder (6), the upper end of fixing base (8) is provided with motor (9) that are used for controlling the sample depth, the front end of motor (9) is provided with wire wheel (10), the inside of wire wheel (10) is provided with and is used for straining a steel wire that a section of thick bamboo (3) and wire wheel (10) are connected Rope (11), one side sliding connection of main part (1) has slide rail (12) that are used for driving solar panel (4) and remove, one side fixedly connected with of main part (1) is used for fixed block (13) with slide rail (12).
2. A hydrogeological water sampling apparatus as defined in claim 1 wherein: the position, close to the lower end, of the sampling tube (2) is fixedly connected with a ring block (14) used for fixing the filter cartridge (3), and a clamping sleeve (15) used for driving the filter cartridge (3) to be rapidly assembled and disassembled is clamped and connected inside the ring block (14).
3. A hydrogeological water sampling apparatus as defined in claim 1 wherein: the outer side of the upper end of the filter cylinder (3) is fixedly connected with a fixing plate (16) used for fixing the jacket (15), and the fixing plates (16) are symmetrically arranged at two ends of the filter cylinder (3).
4. The hydrogeological water sampling device of claim 3, wherein: the inner side of the fixing plate (16) is provided with a supporting rod (17) used for connecting the clamping sleeve (15) with the fixing plate (16), and the rear end of the supporting rod (17) is fixedly connected with a spring (18) used for driving the clamping sleeve (15) to automatically reset.
5. A hydrogeological water sampling apparatus as defined in claim 1 wherein: one side of solar panel (4) is rotated and is connected with and is used for accomodating solar panel (4) and connecting plate (19) that expand, the both ends of connecting plate (19) are run through and are provided with pivot (20) that are used for solar panel (4) rotatory.
6. A hydrogeological water sampling apparatus as defined in claim 1 wherein: the upper end of the rotating seat (5) is provided with an elastic clamp (21) for automatically fixing the storage cylinder, and a rotating shaft (23) for rotating the rotating seat (5) is arranged in the middle of the rotating seat (5) in a penetrating mode.
7. A hydrogeological water sampling apparatus as defined in claim 1 wherein: four loose bolts (22) used for fixing the rotating seat (5) are uniformly distributed at the position, close to the outer side, of the upper end of the rotating seat (5).
8. The use method of the hydrogeological water sampling device as defined in claim 1, wherein: the method comprises the following steps:
s1, pulling a jacket (15) arranged on one side of a fixing plate (16) at the upper end of the filter cartridge (3) outwards and sliding upwards to a preset position, driving the jacket (15) to automatically reset by a spring (18) arranged in the fixing plate (16) and connected with the jacket (15) through a support rod (17), and enabling the jacket (15) to be clamped and connected in a ring block (14) of the sampling tube (2) close to the lower end position, so that the filter cartridge (3) is fixed outside a drawing opening at the lower end of the sampling tube (2);
s2, after the turnbuckle (22) arranged at the position, close to the outer side, of the rotating seat (5) is screwed upwards to enable the rotating seat (5) to be in contact and fixed, the rotating seat (5) is rotated to enable the rotating seat to rotate around the rotating shaft (23) as an axis to adjust the storage cylinder to reach a target position, the turnbuckle (22) is screwed downwards to drive a rubber pad at the lower end of the turnbuckle (22) to be tightly attached to the bottom surface of the inner part of the main body (1), and the turnbuckle is fixed to facilitate classified storage of water quality;
s3, a motor (9) arranged at the upper end of a front end fixing seat (8) of the hydraulic cylinder (6) drives a wire coiling wheel (10) to rotate, so that a steel wire rope (11) drives a filter cylinder (3) to move, and the depth of water quality sampling is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913009.1A CN113588332A (en) | 2021-08-10 | 2021-08-10 | Hydrogeology water quality sampling device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913009.1A CN113588332A (en) | 2021-08-10 | 2021-08-10 | Hydrogeology water quality sampling device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113588332A true CN113588332A (en) | 2021-11-02 |
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ID=78256672
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110913009.1A Withdrawn CN113588332A (en) | 2021-08-10 | 2021-08-10 | Hydrogeology water quality sampling device and use method thereof |
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| Country | Link |
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| CN (1) | CN113588332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116081062A (en) * | 2023-04-11 | 2023-05-09 | 山东省环境保护科学研究设计院有限公司 | Contaminated soil sample strorage device |
| CN116593665A (en) * | 2023-05-29 | 2023-08-15 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology investigation water source sampling detection device |
-
2021
- 2021-08-10 CN CN202110913009.1A patent/CN113588332A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116081062A (en) * | 2023-04-11 | 2023-05-09 | 山东省环境保护科学研究设计院有限公司 | Contaminated soil sample strorage device |
| CN116593665A (en) * | 2023-05-29 | 2023-08-15 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology investigation water source sampling detection device |
| CN116593665B (en) * | 2023-05-29 | 2023-10-20 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology investigation water source sampling detection device |
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Application publication date: 20211102 |
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