CN114354279A - Hydrology engineering geology is with groundwater collection sampling device - Google Patents
Hydrology engineering geology is with groundwater collection sampling device Download PDFInfo
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- CN114354279A CN114354279A CN202210279087.5A CN202210279087A CN114354279A CN 114354279 A CN114354279 A CN 114354279A CN 202210279087 A CN202210279087 A CN 202210279087A CN 114354279 A CN114354279 A CN 114354279A
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Abstract
The invention provides a geological underground water collecting and sampling device for hydrology engineering, which comprises a sampling long cylinder, wherein the inner wall of the sampling long cylinder is fixedly connected with a plurality of first partition plates, the inner cavity of the sampling long cylinder is divided into a plurality of cavities by the first partition plates, a second partition plate is fixedly connected in the sampling long cylinder and divides each cavity into a sampling cavity and a water bath cavity, a first water pump is connected to the sampling long cylinder and is communicated with a water inlet pipe and a water outlet pipe, the side wall of the sampling long cylinder is provided with a water storage tank, the water outlet pipe is communicated with the water storage tank, each sampling cavity is communicated with a sampling assembly connected with the water outlet pipe, the sampling long cylinder is provided with a constant temperature water tank, the side wall of the constant temperature water tank is provided with a second water pump, the water outlet of the second water pump is connected with a water bath guide pipe, and the water bath guide pipe is connected with each water injection assembly communicated with the water bath cavity. The invention can reduce the interference among samples, reduce the detection error and reduce the influence of temperature change on the sample temperature, thereby ensuring the accuracy of sample detection.
Description
Technical Field
The invention relates to the technical field of underground water sampling devices, in particular to an underground water sampling device for hydrogeology.
Background
The groundwater refers to water existing in rock gaps below the ground, and in a narrow sense refers to water in a saturated aquifer below the groundwater level, the groundwater is an important component of water resources, and is one of important water sources in agricultural irrigation, industrial and mining and cities due to stable water quantity and good water quality, wherein in hydrology engineering, the water quality of the groundwater needs to be detected frequently to judge whether the water source is available or not and judge whether the surrounding environment is polluted or not.
In order to ensure the accuracy during sampling, layered sampling is usually carried out for multiple times, however, during layered sampling, because each sampling shares the same pump body, samples reserved during the last sampling in the pump body can dilute the samples sampled this time, thereby affecting the accuracy of sample detection; simultaneously groundwater temperature receives environmental impact, and groundwater is darker more, and its temperature is lower more, and current sampling device is when preserving the sample, and the normal atmospheric temperature is preserved for mostly, along with the increase of depositing time, can lead to the sample temperature change of the great depths of degree of depth great, and sample temperature's change also can lead to the fact the influence to the testing result of sample, so we have designed a hydrographic engineering geology and have gathered sampling device with groundwater to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems that samples can interfere with each other when the samples are sampled for multiple times and the detection effect of the samples is easily interfered due to overlarge temperature change during sampling in the prior art, and provides a geological underground water collecting and sampling device for hydrology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the underground water collecting and sampling device for the hydrogeological engineering comprises a sampling long barrel, wherein the bottom of the sampling long barrel is fixedly connected with a mounting support, the inner wall of the sampling long barrel is fixedly connected with a plurality of first partition plates, each first partition plate is uniformly distributed and arranged in parallel, the first partition plates divide the inner cavity of the sampling long barrel into a plurality of cavities, a second partition plate is fixedly connected in the sampling long barrel and vertically penetrates through all the first partition plates, each cavity is divided into a sampling cavity and a water bath cavity by the second partition plates, a second temperature sensor is arranged in each water bath cavity, a first water pump is connected to the bottom of the mounting support, the water inlet end of the first water pump is communicated with a water inlet pipe, the water outlet end of the first water pump is communicated with a water outlet pipe, one end of the water inlet pipe, which is far away from the water pump, is connected with a sampling device, and a first temperature sensor is arranged on the sampling device, the side wall of the sampling long cylinder is provided with a water storage tank, a connecting rod is fixedly connected to the water storage tank, the water storage tank is connected to the sampling long cylinder through the connecting rod, one end, away from the first water pump, of the water outlet pipe is communicated with the water storage tank, each sampling cavity is communicated with a sampling assembly, the sampling assemblies are connected to the side wall of the water outlet pipe, one end, close to the water storage tank, of the water outlet pipe is provided with a control main valve, and the side wall of each sampling cavity is penetrated with a drainage assembly; the sampling device is characterized in that a constant-temperature water tank is arranged on one side of the sampling long cylinder, a second water pump is arranged on the side wall of the constant-temperature water tank, a water inlet of the second water pump is communicated with the constant-temperature water tank, a water outlet of the second water pump is connected with a water bath conduit, and each water bath cavity is communicated with a water injection assembly which is connected with the water bath conduit.
As a further description of the above technical solution:
sampling device includes filter and sampling tube, the delivery port of filter is connected in the one end that first water pump was kept away from to the inlet tube, the filter water inlet links to each other with the sampling tube, a temperature sensor sets up on the lateral wall of sampling tube.
As a further description of the above technical solution:
the sampling assembly comprises a connecting pipe and a first control valve, the connecting pipe is communicated between the water outlet pipe and the sampling cavity, and the first control valve is arranged on the connecting pipe.
As a further description of the above technical solution:
the water bath pipe comprises a hose and a fixed pipe, the hose is connected with the water outlet of the second water pump, one end, far away from the second water pump, of the hose is connected with the fixed pipe, and one end, far away from the hose, of the fixed pipe is connected with the water injection assembly.
As a further description of the above technical solution:
the water injection subassembly includes arc pipe and second control valve, the one end of arc pipe is run through and is extended to the water bath intracavity, the other end and the fixed pipe of arc pipe are linked together, the second control valve is connected on the arc pipe.
As a further description of the above technical solution:
every arc pipe bottom all is connected with L type pipe, every all be connected with the third control valve on the L type pipe, long section of thick bamboo one side of sample is equipped with the third water pump, the third water pump water inlet is connected with the contact tube, contact tube and all L type pipe homogeneous phases communicate.
As a further description of the above technical solution:
the drainage assembly comprises a discharge pipe and a fourth control valve, one end of the discharge pipe penetrates through the outer wall of the sampling long cylinder to be communicated with the sampling cavity, and the fourth control valve is connected to the discharge pipe.
As a further description of the above technical solution:
the long guide rope is fixedly connected to the top of the sampling long cylinder, and one end, far away from the sampling long cylinder, of the long guide rope is connected with a pull handle.
The invention has the following beneficial effects:
1. compared with the prior art, this sampling device is gathered to groundwater in hydrology engineering geology, through the long section of thick bamboo of sample, first water pump, the inlet tube, the outlet pipe, the water storage box, the connecting pipe, mutually supporting between first control valve and the main valve of control, first water pump takes out the sample to the sample intracavity that corresponds, at first close all first control valves before the next sample, open the main valve of control, first water pump draws water and washes outlet pipe and connecting pipe, wash in waste water gets into the water storage box, then open the leading-in sample chamber that corresponds of first control valve that corresponds with the sample again, the interference between reducible sample like this, thereby reduce the error that the sample detected time measuring.
2. Compared with the prior art, this sampling device is gathered to groundwater in hydrology engineering geology, through the constant temperature water tank, first temperature sensor, second temperature sensor, the second water pump, the water bath pipe, the water bath chamber, mutually support between arc pipe and the second control valve, it is the same with first temperature sensor detection temperature to adjust the interior water temperature of constant temperature water tank, the second water pump takes out the constant temperature water tank water to the water bath intracavity that corresponds and saves, thereby make the inboard sample chamber temperature of water bath chamber invariable relatively, reduce the influence of temperature variation to sample intracavity sample temperature, the accuracy of sample detection time measuring has been guaranteed.
3. Compared with the prior art, this sampling device is gathered to groundwater for hydrology engineering geology through the mutual cooperation between arc pipe, L type pipe, contact tube, third control valve and the third water pump, when the water temperature reduces in the water bath intracavity, corresponds the third control valve and opens, and the water source in water bath chamber and the arc pipe is taken out by the third water pump this moment, and then the second water pump can be once more with the water bath intracavity that the constant temperature water suction corresponds in the constant temperature water tank, further reduces the influence of temperature variation to sample temperature.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a hydrogeological underground water collecting and sampling device provided by the invention;
fig. 2 is a schematic view of a first view structure of a groundwater sampling device for hydrogeology provided by the invention;
fig. 3 is a second view structural diagram of the groundwater sampling device for hydrogeology provided by the invention;
FIG. 4 is a side view of a hydrogeological groundwater sampling device according to the present invention;
fig. 5 is a schematic diagram of an internal structure of a sampling long cylinder in the groundwater sampling device for hydrogeology provided by the invention.
Illustration of the drawings: 1. a sampling long cylinder; 2. mounting a bracket; 3. a first separator; 4. a sampling cavity; 5. a first water pump; 6. a water inlet pipe; 7. a water outlet pipe; 8. a first temperature sensor; 9. a connecting rod; 10. a water storage tank; 11. a second separator; 12. a water bath cavity; 13. a constant temperature water tank; 14. a second water pump; 15. a water bath catheter; 1501. a hose; 1502. a fixed tube; 16. a filter; 17. a sampling tube; 18. a connecting pipe; 19. a first control valve; 20. a control master valve; 21. an arcuate conduit; 22. a second control valve; 23. an L-shaped conduit; 24. a delivery pipe; 25. a third control valve; 26. a third water pump; 27. a discharge pipe; 28. a fourth control valve; 29. a long guide rope; 30. pulling a handle; 31. a second temperature sensor.
Detailed Description
The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and the detailed description, so as to clearly and completely describe the technical solution of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Example (b):
as shown in figures 1-5, a groundwater sampling device for hydrogeological engineering comprises a sampling long cylinder 1, a mounting support 2 is fixedly connected to the bottom of the sampling long cylinder 1, a plurality of first partition plates 3 are fixedly connected to the inner wall of the sampling long cylinder 1, each first partition plate 3 is uniformly distributed and arranged in parallel, the inner cavity of the sampling long cylinder 1 is divided into a plurality of cavities by the plurality of first partition plates 3, a second partition plate 11 is fixedly connected to the inside of the sampling long cylinder 1, the second partition plate 11 vertically penetrates through all the first partition plates 3, each cavity is divided into a sampling cavity 4 and a water bath cavity 12 by the second partition plate 11, a second temperature sensor 31 is arranged in each water bath cavity 12, a first water pump 5 is connected to the bottom of the mounting support 2, the water inlet end of the first water pump 5 is communicated with a water inlet pipe 6, the water outlet end of the first water pump 5 is communicated with a water outlet pipe 7, one end of the water inlet pipe 6, which is far away from the water pump, is connected with a sampling device, the sampling device is provided with a first temperature sensor 8, the side wall of the sampling long cylinder 1 is provided with a water storage tank 10, the water storage tank 10 is fixedly connected with a connecting rod 9, the water storage tank 10 is connected to the sampling long cylinder 1 through the connecting rod 9, one end, away from the first water pump 5, of the water outlet pipe 7 is communicated with the water storage tank 10, each sampling cavity 4 is communicated with a sampling assembly, the sampling assemblies are connected to the side wall of the water outlet pipe 7, one end, close to the water storage tank 10, of the water outlet pipe 7 is provided with a control main valve 20, and the side wall of each sampling cavity 4 is provided with a drainage assembly in a penetrating mode; the long section of thick bamboo 1 one side of sample is equipped with constant temperature water tank 13, and constant temperature water tank 13 lateral wall is provided with second water pump 14, and second water pump 14 water inlet is linked together with constant temperature water tank 13, and the 14 delivery ports of second water pump are connected with water bath pipe 15, and every water bath chamber 12 all communicates there is the water injection subassembly, and every water injection subassembly all links to each other with water bath pipe 15.
Sampling device includes filter 16 and sampling tube 17, and the delivery port of filter 16 is connected in the one end that first water pump 5 was kept away from to inlet tube 6, and filter 16 water inlet links to each other with sampling tube 17, and first temperature sensor 8 sets up on sampling tube 17's lateral wall. The filter 16 is arranged to filter the pumped sample, so that the first water pump 5 and the water outlet pipe 7 are prevented from being blocked due to the entering of impurities, and the service life of the device is prolonged; meanwhile, the temperature of the sampling point is sensed by the first temperature sensor 8, so that the temperature of a water source in the constant-temperature water tank 13 is adjusted, the water source in the constant-temperature water tank 13 is injected into the water bath cavity 12 to maintain the temperature of the sample, and the detection accuracy is improved.
The sampling assembly comprises a connecting pipe 18 and a first control valve 19, the connecting pipe 18 is communicated between the water outlet pipe 7 and the sampling cavity 4, and the first control valve 19 is arranged on the connecting pipe 18. When sampling is needed, the control valve on the corresponding connecting pipe 18 is opened, and the water sample pumped by the first water pump 5 can be sent to the corresponding sampling cavity 4 for temporary storage.
The water bath conduit 15 comprises a hose 1501 and a fixed pipe 1502, the hose 1501 is connected with the water outlet of the second water pump 14, one end of the hose 1501, which is far away from the second water pump 14, is connected with the fixed pipe 1502, and one end of the fixed pipe 1502, which is far away from the hose 1501, is connected with the water injection assembly.
The water injection assembly comprises an arc-shaped guide pipe 21 and a second control valve 22, one end of the arc-shaped guide pipe 21 penetrates and extends into the water bath cavity 12, the other end of the arc-shaped guide pipe 21 is communicated with the fixing pipe 1502, and the second control valve 22 is connected to the arc-shaped guide pipe 21.
Through above-mentioned technical scheme, the water sample is sent into sample chamber 4 and is stored the back, opens the second control valve 22 that corresponds with corresponding sample chamber 4 position, and second water pump 14 takes out the water source of the good temperature of adjustment in the constant temperature water tank 13 to corresponding water bath chamber 12 in and save through water bath pipe 15 and arc pipe 21, and then reduces the influence of temperature variation to sample temperature.
The bottom of each arc-shaped guide pipe 21 is connected with an L-shaped guide pipe 23, each L-shaped guide pipe 23 is connected with a third control valve 25, one side of the sampling long cylinder 1 is provided with a third water pump 26, the water inlet of the third water pump 26 is connected with a guide pipe 24, and the guide pipes 24 are communicated with all the L-shaped guide pipes 23.
Through the technical scheme, after the third control valve 25 is opened, the third water pump 26 works to pump out the corresponding L-shaped guide pipe 23, the arc-shaped guide pipe 21 and the water source in the water bath cavity 12, and then the second water pump 14 can pump the water source in the constant temperature water tank 13 into the corresponding water bath cavity 12 again, so that the influence of the change of the external temperature on the temperature of the sample is reduced.
The drainage assembly comprises a discharge pipe 27 and a fourth control valve 28, one end of the discharge pipe 27 penetrates through the outer wall of the sampling long cylinder 1 to be communicated with the sampling cavity 4, and the fourth control valve 28 is connected to the discharge pipe 27. When the sample in the sampling chamber 4 needs to be taken, the fourth control valve 28 on the discharge pipe 27 connected with the sampling chamber 4 is only needed to be opened, the sample can flow out from the sampling chamber 4 so as to carry out detection work, and the sampling chamber 4 is cleaned after the detection is finished, so that the detection accuracy is prevented from being influenced by the mixing of the sample detected next time.
The top of the sampling long cylinder 1 is fixedly connected with a long guide rope 29, and one end of the long guide rope 29, which is far away from the sampling long cylinder 1, is connected with a pull handle 30. The arrangement of the pull handle 30 and the long guide rope 29 is convenient for a sampling person to pull and move the sampling long barrel 1.
The invention can be illustrated by the following operating modes:
when the sampling device is used, the sampling long cylinder 1 is put in a sampling position, the first temperature sensor 8 detects the water temperature of the sampling position and transmits information to the controller, the controller controls the constant-temperature water tank 13 to work, the water temperature in the constant-temperature water tank 13 is adjusted to be the same as the temperature of the first temperature sensor 8, the first water pump 5 is started, a water source at the sampling position enters the water outlet pipe 7 after being filtered by the filter 16, at the moment, one first control valve 19 is opened, the water source in the water outlet pipe 7 enters the sampling cavity 4 through the corresponding connecting pipe 18, then the first control valve 19 is closed, the second water pump 14 and the second control valve 22 corresponding to the sampling cavity 4 are started, the water source with the adjusted temperature in the constant-temperature water tank 13 is pumped into the corresponding water bath cavity 12 through the water bath guide pipe 15 and the arc guide pipe 21 and stored, and then the second control valve 22 is closed.
When sampling again, the sampling long cylinder 1 is moved to another sampling position, the first temperature sensor 8 detects the water temperature at the corresponding position and transmits the water temperature to the controller, the controller controls the constant temperature water tank 13 to work to adjust the water temperature to the corresponding temperature, the control main valve 20 is opened, the first water pump 5 is started, the first water pump 5 continuously pumps water into the water outlet pipe 7 and each connecting pipe 18 subsection to flush the water outlet pipe 7 and the connecting pipe 18, the flushed water flow enters the water storage tank 10 to be stored, then the control main valve 20 is closed, another first control valve 19 is opened, a sample enters the corresponding sampling cavity 4 through the connecting pipe 18 to be stored, then the second control valve 22 corresponding to the position of the corresponding sampling cavity 4 is opened, the second water pump 14 pumps the water source in the constant temperature water tank 13 into the corresponding water bath cavity 12 through the water bath guide pipe 15 and the arc guide pipe 21 to be stored, and the influence of the temperature change on the sample temperature is reduced, the steps are repeated, and sampling work at different positions can be completed in sequence.
In addition, when the second temperature sensor 31 in the water bath cavity 12 detects the change of the water temperature, the third control valve 25 on the L-shaped guide pipe 23 at the corresponding position can be opened, the third water pump 26 is started, the third water pump 26 can pump out the water source in the water bath cavity 12, then the third control valve 25 and the third water pump 26 are closed, the second water pump 14 is started, and the second water pump 14 pumps constant-temperature water matched with the temperature of the corresponding water bath cavity 12 into the water bath cavity 12, so that the influence of the temperature change on the sample temperature is further reduced.
When the sample in the sampling chamber 4 needs to be taken, the sample can flow out from the sampling chamber 4 only by opening the fourth control valve 28 on the discharge pipe 27 connected to the sampling chamber 4, so as to perform the detection operation.
A PLC controller, not shown, electrically connected to the water pumps, the control valve, the temperature sensor 8, and the constant-temperature water tank 13 is also provided in the constant-temperature water tank 13.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a hydrographic engineering geology is with groundwater collection sampling device, includes a sample long section of thick bamboo (1), a sample long section of thick bamboo (1) bottom fixedly connected with installing support (2), its characterized in that: the sampling long cylinder (1) is characterized in that a plurality of first partition plates (3) are fixedly connected to the inner wall of the sampling long cylinder (1), each first partition plate (3) is uniformly distributed and arranged in parallel, the first partition plates (3) divide the inner cavity of the sampling long cylinder (1) into a plurality of cavities, a second partition plate (11) is fixedly connected to the inner side of the sampling long cylinder (1), the second partition plate (11) vertically penetrates through all the first partition plates (3), each cavity is equally divided into a sampling cavity (4) and a water bath cavity (12) by the second partition plates (11), a second temperature sensor (31) is arranged in each water bath cavity (12), a first water pump (5) is connected to the bottom of the mounting bracket (2), a water inlet end of the first water pump (5) is communicated with a water inlet pipe (6), a water outlet end of the first water pump (5) is communicated with a water outlet pipe (7), and one end of the water inlet pipe (6) far away from the water pump is connected with a sampling device, the sampling device is provided with a first temperature sensor (8), the side wall of the sampling long cylinder (1) is provided with a water storage tank (10), the water storage tank (10) is fixedly connected with a connecting rod (9), the water storage tank (10) is connected to the sampling long cylinder (1) through the connecting rod (9), one end, away from the first water pump (5), of the water outlet pipe (7) is communicated with the water storage tank (10), each sampling cavity (4) is communicated with a sampling assembly, the sampling assemblies are connected to the side wall of the water outlet pipe (7), one end, close to the water storage tank (10), of the water outlet pipe (7) is provided with a control main valve (20), and a drainage assembly penetrates through the side wall of each sampling cavity (4); sample long section of thick bamboo (1) one side is equipped with constant temperature water tank (13), constant temperature water tank (13) lateral wall is provided with second water pump (14), second water pump (14) water inlet is linked together with constant temperature water tank (13), second water pump (14) delivery port is connected with water bath pipe (15), every water bath chamber (12) all communicates there is the water injection subassembly, every the water injection subassembly all links to each other with water bath pipe (15).
2. The underground water sampling device for hydrogeology according to claim 1, which is characterized in that: sampling device includes filter (16) and sampling tube (17), the one end of keeping away from first water pump (5) in inlet tube (6) is connected to the delivery port of filter (16), filter (16) water inlet links to each other with sampling tube (17), first temperature sensor (8) set up on the lateral wall of sampling tube (17).
3. The underground water sampling device for hydrogeology according to claim 1, which is characterized in that: the sampling assembly comprises a connecting pipe (18) and a first control valve (19), the connecting pipe (18) is communicated between the water outlet pipe (7) and the sampling cavity (4), and the first control valve (19) is arranged on the connecting pipe (18).
4. The underground water sampling device for hydrogeology according to claim 1, which is characterized in that: the water bath conduit (15) comprises a hose (1501) and a fixed pipe (1502), the hose (1501) is connected with a water outlet of the second water pump (14), one end, far away from the second water pump (14), of the hose (1501) is connected with the fixed pipe (1502), and one end, far away from the hose (1501), of the fixed pipe (1502) is connected with the water injection assembly.
5. The underground water sampling device for hydrogeology according to claim 4, characterized in that: the water injection assembly comprises an arc-shaped guide pipe (21) and a second control valve (22), one end of the arc-shaped guide pipe (21) penetrates through and extends into the water bath cavity (12), the other end of the arc-shaped guide pipe (21) is communicated with a fixed pipe (1502), and the second control valve (22) is connected to the arc-shaped guide pipe (21).
6. The underground water sampling device for hydrogeology according to claim 5, characterized in that: every arc pipe (21) bottom all is connected with L type pipe (23), every all be connected with third control valve (25) on L type pipe (23), long section of thick bamboo (1) one side of sample is equipped with third water pump (26), third water pump (26) water inlet is connected with eduction tube (24), eduction tube (24) and all L type pipe (23) homogeneous phase intercommunication.
7. The underground water sampling device for hydrogeology according to claim 1, which is characterized in that: the drainage assembly comprises a discharge pipe (27) and a fourth control valve (28), one end of the discharge pipe (27) penetrates through the outer wall of the sampling long cylinder (1) to be communicated with the sampling cavity (4), and the fourth control valve (28) is connected to the discharge pipe (27).
8. The underground water sampling device for hydrogeological engineering geology according to any one of claims 1-7, characterized in that: the long sampling cylinder (1) is fixedly connected with a long guide rope (29) at the top, and one end, far away from the long sampling cylinder (1), of the long guide rope (29) is connected with a pull handle (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279087.5A CN114354279A (en) | 2022-03-22 | 2022-03-22 | Hydrology engineering geology is with groundwater collection sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279087.5A CN114354279A (en) | 2022-03-22 | 2022-03-22 | Hydrology engineering geology is with groundwater collection sampling device |
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| CN114354279A true CN114354279A (en) | 2022-04-15 |
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| CN202210279087.5A Pending CN114354279A (en) | 2022-03-22 | 2022-03-22 | Hydrology engineering geology is with groundwater collection sampling device |
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| US20070113687A1 (en) * | 2002-07-14 | 2007-05-24 | Sauter Eberhard J | Bed water sampling device |
| CN205538338U (en) * | 2016-01-14 | 2016-08-31 | 上海泽安实业有限公司 | Fixed water sampling ware |
| CN210665243U (en) * | 2019-08-24 | 2020-06-02 | 南京华都环保设备有限公司 | Constant temperature sampling cup for on-line water quality analyzer |
| CN211085835U (en) * | 2019-10-23 | 2020-07-24 | 上海雨辰工程技术有限公司 | Multichannel groundwater sample collection system |
| CN212513787U (en) * | 2020-05-31 | 2021-02-09 | 范炀 | Water environment sampling detection device |
| CN212568073U (en) * | 2020-06-03 | 2021-02-19 | 宜宾四川大学产业技术研究院 | Water quality testing sampling equipment |
| CN213301780U (en) * | 2020-10-26 | 2021-05-28 | 天津市普林思瑞科技发展有限公司 | Heat tracing sampling tube convenient for temperature control |
| CN214538754U (en) * | 2021-03-16 | 2021-10-29 | 中电建生态环境集团有限公司 | Water sample collection device |
| CN215525193U (en) * | 2021-04-01 | 2022-01-14 | 张霄 | Layered sewage collection equipment |
-
2022
- 2022-03-22 CN CN202210279087.5A patent/CN114354279A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070113687A1 (en) * | 2002-07-14 | 2007-05-24 | Sauter Eberhard J | Bed water sampling device |
| CN205538338U (en) * | 2016-01-14 | 2016-08-31 | 上海泽安实业有限公司 | Fixed water sampling ware |
| CN210665243U (en) * | 2019-08-24 | 2020-06-02 | 南京华都环保设备有限公司 | Constant temperature sampling cup for on-line water quality analyzer |
| CN211085835U (en) * | 2019-10-23 | 2020-07-24 | 上海雨辰工程技术有限公司 | Multichannel groundwater sample collection system |
| CN212513787U (en) * | 2020-05-31 | 2021-02-09 | 范炀 | Water environment sampling detection device |
| CN212568073U (en) * | 2020-06-03 | 2021-02-19 | 宜宾四川大学产业技术研究院 | Water quality testing sampling equipment |
| CN213301780U (en) * | 2020-10-26 | 2021-05-28 | 天津市普林思瑞科技发展有限公司 | Heat tracing sampling tube convenient for temperature control |
| CN214538754U (en) * | 2021-03-16 | 2021-10-29 | 中电建生态环境集团有限公司 | Water sample collection device |
| CN215525193U (en) * | 2021-04-01 | 2022-01-14 | 张霄 | Layered sewage collection equipment |
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Application publication date: 20220415 |