CN213392094U - A multilayer groundwater monitoring well for polluting investigation of parcel environment - Google Patents
A multilayer groundwater monitoring well for polluting investigation of parcel environment Download PDFInfo
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- CN213392094U CN213392094U CN202022200766.8U CN202022200766U CN213392094U CN 213392094 U CN213392094 U CN 213392094U CN 202022200766 U CN202022200766 U CN 202022200766U CN 213392094 U CN213392094 U CN 213392094U
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Abstract
The utility model discloses a multilayer groundwater monitoring well for polluting land parcel environmental survey, groundwater monitoring well include first drilling, be equipped with the sleeve pipe in the first drilling, it has well cementation grout to fill between sheathed tube outer wall and the first drilling, and the below intercommunication of first drilling is equipped with the second drilling, is equipped with the well casing in the second drilling, and it has quartz sand to fill between the outer wall of well casing and the second drilling, and bentonite has been filled to the top packing of quartz sand, second drilling and the inside intercommunication of sleeve pipe, first drilling passes first aquifer, and the second drilling is bored into in the second aquifer, first drilling is located the top of second aquifer, and just is 0.5-1m apart from the second aquifer. The utility model discloses an optimize well construction structure and construction mode, reduce the construction degree of difficulty, monitoring well stability is high, and is of high quality, avoids providing reliable foundation for the pollution investigation because of the inaccurate and each layer secondary pollution who brings of data of sampling, improves the degree of accuracy that sample collection and water level surveyd.
Description
Technical Field
The utility model relates to a groundwater monitoring well specifically is a multilayer groundwater monitoring well for polluting investigation of parcel environment.
Background
The monitoring well is a special well for monitoring the change conditions of the water level, the water temperature and the water quality of underground water by a drilling method, the construction method is similar to that of a conventional well, a monitoring instrument is placed in the well after completion of the well, a water sample is taken at regular time for analysis and test, the monitoring well is arranged at a pollution source centralized area, and the pollution condition of the underground water is measured and controlled in a large area by adopting a horizontal well abroad.
The present work of groundwater investigation is more and more emphasized in the investigation of the soil pollution condition of construction land, although the competent department has come out about technical specification or guide criterion of groundwater investigation sampling, there are numerous drawbacks to the mode of groundwater well construction, have multilayer groundwater to the region, the top-down has great degree of difficulty to the water sample collection of the position below the first layer groundwater, there is the great degree of difficulty according to current specification, the construction quality is difficult to control, can not fine avoid the problem of interlaminar pollution in addition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multilayer groundwater monitoring well for polluting land parcel environmental survey, drill out first drilling, to putting into the sleeve pipe in first drilling, pack well cementation grout between the sleeve pipe outside and first drilling, well cementation grout solidifies the back, it gets the second drilling to bore down in the sleeve pipe, places the well casing in the second drilling, guarantees that the slot screen pipe is located the second and contains the water zone, to packing quartz sand between the outer wall of well casing and the second drilling, highly is higher than the slot screen pipe, inwards fills bentonite again, accomplishes the monitoring well and arranges, the utility model discloses groundwater monitoring well changes original well construction mode, avoids the cross contamination between each layer, improves the accurate degree of sample collection and water level observation, seals the well according to standard layering after the monitoring, avoids mutual contamination.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a multilayer groundwater monitoring well for polluting land parcel environmental survey, groundwater monitoring well includes first drilling, be equipped with the sleeve pipe in the first drilling, it has well cementation grout to fill between sheathed tube outer wall and the first drilling, and the below intercommunication of first drilling is equipped with the second drilling, is equipped with the well casing in the second drilling, and it has quartz sand to fill between the outer wall of well casing and the second drilling, and the top packing of quartz sand has bentonite, and the second drilling communicates with the intraduct of sleeve pipe.
Further, the first borehole passes through a first aquifer and the second borehole is drilled into a second aquifer.
Further, the first bore is located above the second aquifer and is 0.5-1m away from the second aquifer.
Furthermore, the well casing includes the solid pipe, and the below intercommunication of solid pipe is equipped with the slot screen pipe, and the below intercommunication of slot screen pipe is equipped with the sedimentation pipe.
Further, the depth of the slotted screen is located within the second aquifer.
Further, the filling height of the quartz sand is higher than that of the slotted screen pipe.
Furthermore, the well pipe is positioned in the sleeve, and bentonite is filled between the outer wall of the well pipe and the inner wall of the sleeve.
The utility model has the advantages that:
the utility model discloses an optimize well construction structure and construction mode, reduce the construction degree of difficulty, monitoring well stability is high, and is of high quality, avoids providing reliable foundation for the pollution investigation because of the inaccurate and each layer secondary pollution between each layer of data that the sampling brought, improves the degree of accuracy of sample collection and water level observation, and the well is sealed in the standard layering after the monitoring, avoids mutual pollution.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the groundwater monitoring well of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a multilayer groundwater monitoring well for polluting land parcel environmental survey, groundwater monitoring well includes first drilling 1, as shown in figure 1, first drilling 1 passes first aquifer 11, be equipped with sleeve pipe 2 in the first drilling 1, it has well cementation grout 3 to fill between the outer wall of sleeve pipe 2 and the first drilling 1, the below intercommunication of first drilling 1 is equipped with second drilling 4, second drilling 4 bores in second aquifer 41, be equipped with well casing 5 in the second drilling 4, it has quartz sand 6 to fill between the outer wall of well casing 5 and the second drilling 4, the top of quartz sand 6 is filled has bentonite 7, second drilling 4 and the inside intercommunication of sleeve pipe 2.
The first bore hole 1 is located above the second aquifer 41 and is spaced 0.5-1m from the second aquifer 41.
The well pipe 5 includes a solid pipe 51, and as shown in fig. 1, a slotted screen 52 is provided in communication below the solid pipe 51, a settling pipe 53 is provided in communication below the slotted screen 52, and the slotted screen 52 is positioned at a depth within the second aquifer 41.
The packing height of the quartz sand 6 is higher than the height of the slotted screen 52.
The well pipe 5 is positioned in the casing 2, and bentonite 7 is filled between the outer wall of the well pipe 5 and the inner wall of the casing 2.
During the use, drill out first drilling 1, to putting into sleeve pipe 2 in first drilling 1, pack well cementation grout 3 between the sleeve pipe 2 outside and first drilling 1, well cementation grout 3 solidifies the back, and it gets second drilling 4 to bore downwards in sleeve pipe 2, places well casing 5 in the second drilling 4, guarantees that slot screen pipe 52 is located second aquifer 41, to packing quartz sand 6 between the outer wall of well casing 5 and second drilling 4, highly is higher than slot screen pipe 52, inwards fills bentonite 7 again, accomplishes the monitoring well and arranges, the utility model discloses groundwater monitoring well changes original well construction mode, avoids the cross contamination between each level, improves the accurate degree of sample collection and water level observation, seals the well according to standard layering after the monitoring, avoids mutual contamination.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean 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 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 foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a multilayer groundwater monitoring well for polluting land parcel environmental survey, groundwater monitoring well includes first drilling (1), a serial communication port, be equipped with sleeve pipe (2) in first drilling (1), it has well cementation grout (3) to fill between the outer wall of sleeve pipe (2) and first drilling (1), the below intercommunication of first drilling (1) is equipped with second drilling (4), is equipped with well casing (5) in second drilling (4), it has quartz sand (6) to fill between the outer wall of well casing (5) and second drilling (4), the top packing of quartz sand (6) has bentonite (7), second drilling (4) and the inside intercommunication of sleeve pipe (2).
2. A multi-layer groundwater monitoring well for environmental investigation of a polluted land according to claim 1, characterized in that the first borehole (1) penetrates a first aquifer (11) and the second borehole (4) is drilled into a second aquifer (41).
3. A multi-layered groundwater monitoring well for environmental investigation of a polluted land according to claim 2, wherein the first borehole (1) is located above the second aquifer (41) and is 0.5-1m away from the second aquifer (41).
4. A multi-layer underground water monitoring well for investigating polluted land environment according to claim 2, characterized in that the well pipe (5) comprises a solid pipe (51), a slotted screen pipe (52) is arranged below the solid pipe (51) in a communicating manner, and a settling pipe (53) is arranged below the slotted screen pipe (52) in a communicating manner.
5. A multi-layer groundwater monitoring well for investigation of contaminated land environment according to claim 4, wherein the slotted screen (52) is at a depth within the second aquifer (41).
6. The multi-layer underground water monitoring well for the investigation of the polluted land environment as claimed in claim 4, wherein the filling height of the quartz sand (6) is higher than the height of the slotted screen (52).
7. A multilayer groundwater monitoring well for environmental investigation of a polluted land according to claim 1, characterized in that the well pipe (5) is located in the casing (2), and bentonite (7) is filled between the outer wall of the well pipe (5) and the inner wall of the casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200766.8U CN213392094U (en) | 2020-09-29 | 2020-09-29 | A multilayer groundwater monitoring well for polluting investigation of parcel environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200766.8U CN213392094U (en) | 2020-09-29 | 2020-09-29 | A multilayer groundwater monitoring well for polluting investigation of parcel environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392094U true CN213392094U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022200766.8U Expired - Fee Related CN213392094U (en) | 2020-09-29 | 2020-09-29 | A multilayer groundwater monitoring well for polluting investigation of parcel environment |
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| CN (1) | CN213392094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624066A (en) * | 2022-05-16 | 2022-06-14 | 北京高能时代环境技术股份有限公司 | Underground water layered sampling device and method |
| CN115126409A (en) * | 2022-08-30 | 2022-09-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Monitoring well construction process and direct-pushing well forming tool thereof |
-
2020
- 2020-09-29 CN CN202022200766.8U patent/CN213392094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624066A (en) * | 2022-05-16 | 2022-06-14 | 北京高能时代环境技术股份有限公司 | Underground water layered sampling device and method |
| CN115126409A (en) * | 2022-08-30 | 2022-09-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Monitoring well construction process and direct-pushing well forming tool thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |