CN213209601U - Undisturbed device for detecting and sampling underground water environment at fixed depth - Google Patents
Undisturbed device for detecting and sampling underground water environment at fixed depth Download PDFInfo
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- CN213209601U CN213209601U CN202021893802.7U CN202021893802U CN213209601U CN 213209601 U CN213209601 U CN 213209601U CN 202021893802 U CN202021893802 U CN 202021893802U CN 213209601 U CN213209601 U CN 213209601U
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Abstract
The utility model discloses a no disturbance device that is used for groundwater environment to detect depthkeeping sample, including the sampling tube, its characterized in that, the top position of sampling tube is provided with the connecting plate, be provided with fixed ear on the connecting plate, lie in on the connecting plate fixed ear one side is provided with the inlet port, the bottom of sampling tube is provided with the bottom plate, be provided with the water inlet on the bottom plate, inlet port department is provided with the check valve, the bottom side wall position of sampling tube is provided with the outlet pipe, the outside of outlet pipe is provided with the mounting groove, be provided with the water blocking plate in the mounting groove. The beneficial effects of the utility model are that, through this device, when taking water, can take a sample to the water of appointed degree of depth, and this device can realize no disturbance in the sampling process for the concentration of pollutant can accurately be reflected to the water of taking out, and in addition, this device simple manufacture, the cost is lower, and is strong in the practicality of groundwater sampling in-process.
Description
Technical Field
The utility model relates to a groundwater environment detects technical field, especially is used for groundwater environment to detect the undisturbed device of depthkeeping sample.
Background
Historically, in China, many enterprises in chemical industry, coking and the like related to the production, processing, transportation and storage of organic chemical products may cause the soil and underground water in local areas of a plant area to be polluted due to the leakage of a conveying pipeline and a storage tank. At present, many similar polluted enterprises in China are gradually shut down and moved, and the land of a factory area is gradually changed from the original industrial land to the land for residential, commercial and public facilities, so that the requirement on the construction land in the urbanization process is met. In order to ensure the environmental safety of the land parcel in the process of being used as construction land for living and the like for redevelopment in the future, the state clearly requires that the site soil and underground water are subjected to stationing sampling to find out the pollution space distribution and carry out risk assessment by combining with specific land planning before the land parcel is used as the construction land for living and the like for redevelopment construction.
At present, the investigation of the pollution condition of underground water is mainly carried out by building an underground water monitoring well, collecting an underground water sample and sending the underground water sample to a laboratory for pollutant detection so as to judge the pollution degree. Traditional groundwater sampling need transfer to dedicated groundwater sampling bottle after with the help of immersible pump or extraction pump with groundwater extraction to ground usually, and this type of sampling technique sampling in-process all has the disturbance of certain degree to the groundwater sample, leads to the detection of aquatic pollutant inaccurate, and current water intake device can't satisfy the depthkeeping sample simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a disturbance-free device for groundwater environment detection depthkeeping sampling is designed.
Realize above-mentioned purpose the technical scheme of the utility model be for, a no disturbance device for groundwater environment detects depthkeeping sample, including the sampling tube, the top position of sampling tube is provided with the connecting plate, be provided with fixed ear on the connecting plate, lie in on the connecting plate fixed ear one side is provided with the inlet port, inlet port department is connected with the intake pipe, the intake pipe is kept away from inlet port one end and is connected with the pump, the bottom of sampling tube is provided with the bottom plate, be provided with the water inlet on the bottom plate, inlet port department is provided with the check valve, the bottom side wall position of sampling tube is provided with the outlet pipe, the outside of outlet pipe is provided with the mounting groove, be provided with the water blocking plate.
As a further description of the undisturbed device for depth setting sampling, the bottom of the bottom plate is provided with a connecting buckle.
As further description of the undisturbed device for depth-setting sampling, the lower end of the connecting buckle is provided with a counterweight body, and a self-locking hook is arranged between the counterweight body and the connecting buckle and is connected with the counterweight body through the self-locking hook.
As a further description of the undisturbed device for depth setting sampling, the fixing lug is provided with a first pull rope.
As a further description of the undisturbed device for depth sampling, the outer side wall of the sampling tube is provided with a gas-filled bag.
As a further description of the undisturbed device for depth setting sampling, the upper end of the water blocking plate is provided with a pull buckle, and a second pull rope is connected to the pull buckle.
The utility model has the advantages that the utility model is provided with the fixing lug on the connecting plate at the upper end of the sampling tube, the air inlet is arranged on one side of the fixing lug on the connecting plate, the air inlet is connected with the inflator pump through the air inlet pipe, the sampling tube is inflated by the inflator pump, under the action of air pressure, the sampling tube can reach the appointed depth, through the one-way valve arranged on the bottom plate, under the action of the water pressure in the well, the one-way valve is flushed, the water in the well flows into the sampling tube, in order to take out the water in the sampling tube, the side wall at the bottom of the sampling tube is provided with the water outlet, the water outlet is provided with the water baffle plate for stopping the water flow, the second pull rope is pulled, the water baffle plate is pulled to move upwards and open the water outlet, the water in the sampling tube flows out under the action of the pressure, through the device, when taking water, the water at the appointed depth can, make the water of taking out can accurately reflect the concentration of pollutant, in addition, this device simple manufacture, the cost is lower, and is strong at groundwater sample in-process practicality.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a structural sectional view of the present invention.
In the figure, 1, a sampling tube; 2. a connecting plate; 3. fixing the ear; 4. an air inlet; 5. an air inlet pipe; 6. an inflator pump; 7. a base plate; 8. a water inlet; 9. a one-way valve; 10. a water outlet pipe; 11. a water-blocking plate; 12. pulling the button; 13. a first pull cord; 14. a second pull cord; 15. a connecting buckle; 16. a self-locking hook; 17. a counterweight body; 18. an air-filled bag.
Detailed Description
First explain the utility model discloses an original intention of design, along with the continuous improvement of life standard of living, people also improve at continuous to the quality of water requirement of groundwater, present groundwater's sample mainly with the help of immersible pump and extraction pump, extract groundwater to ground after, shift to in the dedicated sampling bottle, this sampling process has the disturbance of certain degree, the groundwater of taking out, the pollutant in the detection water quality is inaccurate, current water intake device can't satisfy the depthkeeping sample simultaneously, for this reason, the utility model discloses a no disturbance device for groundwater environment detects the depthkeeping sample.
The utility model discloses it is next described to combine the attached drawing specifically to be right the utility model discloses, as shown in fig. 1-fig. 2 for the undisturbed device of groundwater environment detection depthkeeping sample, this undisturbed device adopts the body to take a sample, and what mainly used is sampling tube 1, sampling tube 1's top is provided with connecting plate 2, and sampling tube 1's bottom is provided with bottom plate 7, and connecting plate 2 is fixed with sampling tube 1, is provided with fixed ear 3 on connecting plate 2's last plane, for the convenience of hanging of sampling tube 1, buckles first stay cord 13 on fixed ear 3.
The existing sampling device can not realize depth-fixed sampling, and for realizing the function, the sampling tube 1 is inflated by the inflator pump 6, the sampling tube 1 is descended to a specified depth through air pressure, the side part of the fixed lug 3 on the connecting plate 2 is provided with the air inlet hole 4, and the air inlet hole 4 is connected with the inflator pump 6 through the air inlet pipe 5.
In order to realize the sampling of underground water, the pressure difference between water mainly used in a well and the sampling tube 1 is realized, a water inlet 8 is arranged on a bottom plate 7, a check valve 9 is arranged at the water inlet 8, the water entering the sampling tube 1 is ensured not to flow outwards, the water taken out from the sampling tube 1 needs to be transferred into a specified sampling bottle for detection, a water outlet pipe 10 is arranged at the bottom side wall of the sampling tube 1, a mounting groove is arranged at the outer side of the water outlet pipe 10, a water blocking plate 11 is arranged in the mounting groove, the water blocking plate 11 can move in the mounting groove, the water in the sampling tube 1 is discharged, a pull buckle 12 is arranged on the water blocking plate 11, a second pull rope 14 is fastened on the pull buckle 12, the water blocking plate 11 can be pulled through pulling the pull rope, and the sampled water is taken out.
In the sampling process, sampling device can make the pollutant detection inaccurate in the quality of water to the disturbance of water, for solving this problem, we have set up connector link 15 in the bottom of bottom plate 7, be connected with the counter weight body 17 through auto-lock couple 16 on connector link 15, auto-lock couple 16 is detachable, make things convenient for repetitious usage, can ensure sampling tube 1 at the ascending stability of vertical side through the counter weight body 17, be provided with gas cell 18 at the outer wall of sampling tube 1 in addition, when sampling tube 1 descends to appointed position, gas cell 18 is opened and is contacted with the wall in the well, the stability of water intaking process has further been guaranteed.
The above detailed description explains the concrete structure of the present invention, and the following description explains the working principle of the present invention: when the device is used, the sampling tube 1 is put into a drilled well, the sampling tube 1 is inflated by the inflator pump 6, the sampling tube 1 can be lowered to a specified depth under the action of air pressure, after the sampling tube 1 is lowered to the specified depth, the inflatable bag 18 arranged on the outer side wall of the sampling tube 1 is opened and is contacted with the wall in the well, because the pressure difference exists between the water in the well and the sampling tube 1, the water rushes off the check valve 9 arranged on the bottom plate 7 to enter the water taking tube, after the water in the sampling tube 1 is full, the taken water needs to be transferred into a specified sampling bottle, the sampling tube 1 is taken out of the well, the second pull rope 14 is pulled, the water blocking plate 11 is opened, the taken water flows out from the water outlet, the water at the specified depth can be sampled by the device during water taking, the device can realize no disturbance in the sampling process, and the concentration of the taken water can be accurately reflected, in addition, the device is simple to manufacture, low in cost and high in practicability in the underground water sampling process.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (6)
1. A undisturbed device for groundwater environment detection depthkeeping sampling comprises a sampling tube (1) and is characterized in that a connecting plate (2) is arranged at the top of the sampling tube (1), a fixing lug (3) is arranged on the connecting plate (2), an air inlet (4) is arranged on one side of the fixing lug (3) on the connecting plate (2), an air inlet pipe (5) is connected to the air inlet (4), an inflator pump (6) is connected to one end, far away from the air inlet (4), of the air inlet pipe (5), a bottom plate (7) is arranged at the bottom of the sampling tube (1), a water inlet (8) is arranged on the bottom plate (7), a check valve (9) is arranged at the water inlet (8), a water outlet pipe (10) is arranged at the side wall position of the bottom of the sampling tube (1), and a mounting groove is formed in the outer side of, and a water blocking plate (11) is arranged in the mounting groove.
2. The undisturbed device for fixed-depth sampling for groundwater environment detection as claimed in claim 1, wherein the bottom of the bottom plate (7) is provided with a connecting buckle (15).
3. The undisturbed device for groundwater environment detection depthkeeping sampling according to claim 2, wherein a counterweight body (17) is arranged at the lower end of the connecting buckle (15), and a self-locking hook (16) is arranged between the counterweight body (17) and the connecting buckle (15) and is connected through the self-locking hook (16).
4. The undisturbed device for fixed-depth sampling for groundwater environment detection as claimed in claim 1, wherein a first pull rope (13) is arranged on the fixing lug (3).
5. The undisturbed device for fixed-depth sampling for groundwater environment detection as claimed in claim 1, wherein the outer side wall of the sampling tube (1) is provided with a gas-filled bag (18).
6. The undisturbed device for the fixed-depth sampling for the groundwater environment detection according to claim 1, wherein a pull buckle (12) is arranged at the upper end of the water blocking plate (11), and a second pull rope (14) is connected to the pull buckle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893802.7U CN213209601U (en) | 2020-09-02 | 2020-09-02 | Undisturbed device for detecting and sampling underground water environment at fixed depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021893802.7U CN213209601U (en) | 2020-09-02 | 2020-09-02 | Undisturbed device for detecting and sampling underground water environment at fixed depth |
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| Publication Number | Publication Date |
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| CN213209601U true CN213209601U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021893802.7U Active CN213209601U (en) | 2020-09-02 | 2020-09-02 | Undisturbed device for detecting and sampling underground water environment at fixed depth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429516A (en) * | 2023-06-14 | 2023-07-14 | 太原海纳辰科仪器仪表有限公司 | Ecological environment groundwater monitoring and sampling device and sampling method thereof |
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2020
- 2020-09-02 CN CN202021893802.7U patent/CN213209601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429516A (en) * | 2023-06-14 | 2023-07-14 | 太原海纳辰科仪器仪表有限公司 | Ecological environment groundwater monitoring and sampling device and sampling method thereof |
| CN116429516B (en) * | 2023-06-14 | 2023-09-01 | 太原海纳辰科仪器仪表有限公司 | Ecological environment groundwater monitoring and sampling device and sampling method thereof |
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