CN217689007U - Single-well underground water monitoring system - Google Patents
Single-well underground water monitoring system Download PDFInfo
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- CN217689007U CN217689007U CN202221715846.XU CN202221715846U CN217689007U CN 217689007 U CN217689007 U CN 217689007U CN 202221715846 U CN202221715846 U CN 202221715846U CN 217689007 U CN217689007 U CN 217689007U
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Abstract
The utility model relates to a single well groundwater monitoring system, including reconnaissance subassembly, single monitoring well subassembly, real-time supervision subassembly, the reconnaissance subassembly includes geological drilling equipment and geological detection equipment, single monitoring well subassembly includes well casing, screen pipe, the real-time supervision subassembly includes probe, control terminal, the probe is located in the single monitoring well subassembly. The utility model discloses can realize the accurate real-time supervision of groundwater velocity of flow direction.
Description
Technical Field
The utility model relates to an environmental monitoring field particularly, relates to a single-well groundwater monitoring system.
Background
With the continuous development of the social industrialization process, groundwater pollution may be caused by wastewater discharge, industrial waste residues, agricultural irrigation, landfill leakage, damage of petrochemical raw material transportation pipelines and storage tanks, and the like, so that the problem of shortage of water resources is more serious, and how to effectively treat the polluted groundwater becomes an urgent problem at present.
How to accurately judge the groundwater flow direction in the treatment area in the monitoring and treatment process determines the representativeness of the groundwater sample collection, and has great influence on the groundwater treatment effect. At present, the flow direction of underground water in a treatment area is mainly determined by arranging a plurality of underground water monitoring wells in the area and judging the flow direction of the underground water level through underground water level differences in different monitoring wells.
However, in the current monitoring mode, the underground water level difference in the underground water monitoring or treatment area is not large, and the ground surface height also is different, so that the underground water level difference in the ground cannot be accurately judged, and the underground water flow direction cannot be accurately judged. In addition, groundwater in the ground belongs to different water areas, and the flow direction of the groundwater cannot be accurately judged through hydrology of the different water areas.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a single-well groundwater monitoring system to groundwater level and groundwater flow direction judge inaccurately among the solution prior art, and the problem of the costly and the feature of environmental protection of multiple monitoring well construction.
The utility model relates to a single well groundwater monitoring system, including reconnaissance subassembly, single monitoring well subassembly, real-time supervision subassembly, the reconnaissance subassembly includes geological drilling equipment and geological detection equipment, single monitoring well subassembly includes well casing, screen pipe, the real-time supervision subassembly includes velocity of flow direction appearance probe, velocity of flow direction appearance control terminal, velocity of flow direction appearance probe is located in the single monitoring well subassembly.
Furthermore, the geological drilling equipment is a rotary drilling machine, and the drilling hole diameter is phi 80 mm-phi 300mm; or the geological drilling equipment is a percussion drill, and the hole diameter of the drilling hole is phi 60 mm-phi 200mm.
Further, the geological detection equipment is a ground penetrating radar or a high-density electrical method instrument.
Furthermore, the sieve tube is arranged on the well tube corresponding to the stratum structure where the monitoring well is located and the position of the aquifer, and filling materials are arranged among the well tube, the sieve tube and the stratum.
Furthermore, the well pipe is a PVC pipe, the diameter size is phi 110-phi 180mm, and the height of the well pipe is 0.2-0.4m above the ground level.
Furthermore, the length of the sieve tube is slightly smaller than the thickness of the underground water-containing layer, the sieve tube is formed by drilling holes in the well pipe or processing sieve holes in a slot, and the sieve mesh is bound outside the sieve holes.
Furthermore, the aperture of the drill holes of the well pipe is not more than 5mm, the hole spacing is 10-20mm, or the seam width of the cutting seam of the well pipe is 0.2-0.5mm.
Furthermore, the filling material is bentonite balls and/or coarse sand and/or gravel, and water-stop well-sealing cement and a monitoring well platform are arranged at the top of the single monitoring well assembly.
Furthermore, the flow velocity and direction instrument probe is arranged at the position of an underground water aquifer and a sieve tube, and the sensor at the lower part of the flow velocity and direction instrument probe is arranged in the range of the aquifer.
Furthermore, the flow velocity and flow direction instrument control terminal is arranged on the ground surface and is electrically connected with the flow velocity and flow direction instrument probe.
The utility model discloses an accurate real-time supervision of groundwater velocity of flow direction only just can realize the accurate monitoring to groundwater flow direction in the well through the single well of construction, can also provide groundwater velocity of flow information in step accurate, and well quantity is built in effective control, has reduced groundwater monitoring well by a wide margin and has built the well cost.
The utility model provides a flow direction of groundwater and the difficult definite problem of velocity of flow in groundwater monitoring and treatment process, provide more reliable restoration scope information for groundwater remediation administers, can also effectively predict groundwater pollutant diffusion trend simultaneously.
The utility model discloses a three process of accurate reconnaissance of place geology, groundwater monitoring well construction and groundwater velocity of flow direction real-time supervision carries out reconnaissance, confirms groundwater aquifer position, monitoring velocity of flow to the instrument probe and gets into the groundwater aquifer and carries out groundwater velocity of flow direction real-time supervision to stratigraphic structure in proper order, has realized the real-time accurate dynamic monitoring of groundwater velocity of flow direction.
The utility model discloses a single well groundwater monitoring system extensively is applicable to the groundwater monitoring in each fields such as industry site environment improvement, mine environment improvement, farmland are administered, domestic waste landfill and industry solid useless landfill, can be for providing accurate reliable groundwater velocity flow direction information, and the efficiency of very big promotion groundwater monitoring is administered the basic data that restores and is provided more reliability for site environment is administered and is supported.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is the utility model provides a single well groundwater monitoring system schematic diagram.
Description of the reference numerals:
1-a well pipe; 2-a sieve tube; 3-bentonite spheres; 4-coarse sand; 5-gravel; 6-flow velocity and direction instrument probe; 7-monitoring a well platform; 8-flow rate to instrument control terminal.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to the figure 1, the utility model provides a single well groundwater monitoring system, including reconnaissance subassembly, single monitoring well subassembly, real-time supervision subassembly, the reconnaissance subassembly includes geological drilling equipment and geological detection equipment, single monitoring well subassembly includes well casing 1, screen pipe 2, the real-time supervision subassembly includes velocity of flow direction appearance probe 6, velocity of flow direction appearance control terminal 8, velocity of flow direction appearance probe 6 is located in the single monitoring well subassembly 8.
Accurate reconnaissance in-process of geology combines geological drilling and high accuracy geological survey means to carry out accurate reconnaissance to place stratum structure, and the accurate groundwater aquifer position of judging. Drilling a field exploration point position and collecting a core sample by adopting rotary or impact type professional drilling equipment according to geological conditions in the geological drilling process, wherein the size of a formed monitoring well hole is phi 110 mm-phi 200mm, and stratum structure information is recorded; and (3) surveying the stratum structure by adopting high-precision instruments such as ground penetrating radar equipment or a high-density electrical method instrument and the like, and accurately judging the position of the underground water-bearing stratum by combining the drilling survey result.
Groundwater monitoring well construction in-process, successively accomplish well casing and select system, screen pipe preparation, monitoring well construction well pack gravel material and monitoring well process such as well-forming well-flushing. Selecting a PVC well pipe 1 with a proper length according to the hole-forming aperture and the well-forming depth of exploration drilling, wherein the diameter size is phi 75 mm-phi 160mm, and the well pipe 1 is preferably 0.2-0.4m higher than the ground level; manufacturing a sieve tube 2 at a corresponding position of a well tube 1 according to a stratum structure and a water-bearing layer position of a monitoring well, wherein the length of the sieve tube 2 is slightly smaller than the thickness of a groundwater water-bearing layer, generally adopting an electric drill and a slotting method to process sieve holes of the sieve tube part of the well tube 1, wherein the aperture is not more than 5mm and the hole interval is 10-20mm when drilling, the width of the slot is 0.2-0.5mm when slotting, and binding a sieve mesh outside the sieve holes of the processed sieve tube 2 to prevent silt from blocking the holes; the gravel filling process of the monitoring well needs to adopt materials such as bentonite balls 3, coarse sand 4, gravel 5 and the like, the coarse sand 4 and the gravel 5 need to be washed, and the cement water stop well sealing and the building of a well platform 7 are carried out on the built monitoring well; and (4) performing well completion and well washing after well construction is completed, wherein 3-5 volumes of underground water of the monitoring well are usually required to be extracted in the well washing process.
The part below the well pipe sieve tube is filled with bentonite balls 3, the part close to the sieve tube part at the bottom is filled with coarse sand 4, the sieve tube part is mainly filled with gravel 5, the part close to the sieve tube part at the top is filled with coarse sand 4, the part from the sieve tube to the ground is filled with bentonite balls, and cement water stop and a well platform 7 are constructed at a well mouth.
Groundwater velocity of flow to real-time supervision in-process, will accomplish the accuracy of velocity of flow direction appearance probe position and place, monitor parameter setting and flow such as monitoring data output. Accurately lowering the groundwater flow speed and flowing to a probe 6 of real-time monitoring equipment according to the positions of a groundwater aquifer and a sieve tube 2, and enabling a sensor at the lower part of the probe 6 to be arranged in the range of the aquifer; the underground water in the monitoring well can be monitored for more than 48 hours after the well is washed, the instrument probe 6 needs to stand for at least 15min at the position of the water-containing layer before monitoring, and monitoring setting parameters such as the number of particle capture points, the particle size and the like are adjusted; and monitoring the flow rate of the underground water, and performing flow rate and flow direction data fitting and result output after the flow rate and flow direction data fitting is completed.
The underground water monitoring device comprises the following steps:
(1) A professional geological drilling device is adopted to complete the borehole drilling and soil core acquisition work and combine a high-precision geological detection instrument to accurately survey the stratum structure and the position of the aquifer;
(2) Building a single underground water monitoring well;
(3) And (5) monitoring the flow velocity and the flow direction of underground water in the single monitoring well in real time.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a single well groundwater monitoring system, includes reconnaissance subassembly, single monitoring well subassembly, real-time supervision subassembly, a serial communication port, the reconnaissance subassembly includes geological drilling equipment and geological detection equipment, single monitoring well subassembly includes well casing, screen pipe, the real-time supervision subassembly includes velocity of flow direction appearance probe, velocity of flow direction appearance control terminal, the velocity of flow direction appearance probe is located in the single monitoring well subassembly.
2. A single well groundwater monitoring system according to claim 1, wherein the geological drilling apparatus is a rotary drilling rig, the drilling bore diameter is from 80mm to 300mm; or the geological drilling equipment is a percussion drill, and the hole diameter of the drilling hole is phi 60 mm-phi 200mm.
3. A single well groundwater monitoring system according to claim 1, wherein the geological detection apparatus is a ground penetrating radar or a high density electrical method.
4. A single well groundwater monitoring system according to claim 1, wherein the screen is provided on the well casing corresponding to the formation structure and aquifer location of the monitoring well, and a packing material is provided between the well casing, the screen and the formation.
5. A single well groundwater monitoring system according to claim 4, wherein the well pipe is a PVC pipe having a diameter of 110-180 mm and a height of 0.2-0.4m above ground level.
6. A single well groundwater monitoring system according to claim 4, wherein the length of the screen is slightly less than the thickness of the groundwater aquifer, the screen is formed by drilling the well casing or by slotting a screen hole, and the screen is bound outside the screen hole.
7. A single well groundwater monitoring system according to claim 6, wherein the bore diameter of the bore of the well pipe is no greater than 5mm, the hole spacing is 10-20mm, or the slot width dimension of the slot of the well pipe is 0.2-0.5mm.
8. A single well groundwater monitoring system according to claim 4, wherein the packing material is bentonite balls and/or coarse sand and/or gravel, and the top of the single monitoring well assembly is provided with water seal cement and a monitoring well rig.
9. A single well groundwater monitoring system according to claim 1, wherein the rheometer probe is located in a groundwater aquifer and screen position, and the rheometer probe lower sensor is located within the aquifer area.
10. A single well groundwater monitoring system according to claim 9, wherein the rheometer control terminal is located on the surface of the earth, and the rheometer control terminal is electrically connected to the rheometer probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221715846.XU CN217689007U (en) | 2022-07-05 | 2022-07-05 | Single-well underground water monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221715846.XU CN217689007U (en) | 2022-07-05 | 2022-07-05 | Single-well underground water monitoring system |
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| CN217689007U true CN217689007U (en) | 2022-10-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116381273A (en) * | 2023-03-13 | 2023-07-04 | 山东大学 | Groundwater flow direction and speed monitoring device based on distributed temperature sensing optical fiber and monitoring analysis method thereof |
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2022
- 2022-07-05 CN CN202221715846.XU patent/CN217689007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116381273A (en) * | 2023-03-13 | 2023-07-04 | 山东大学 | Groundwater flow direction and speed monitoring device based on distributed temperature sensing optical fiber and monitoring analysis method thereof |
| CN116381273B (en) * | 2023-03-13 | 2023-11-07 | 山东大学 | Groundwater flow direction and speed monitoring device based on distributed temperature sensing optical fiber and monitoring analysis method thereof |
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